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Commercial Air Conditioning SERVICE MANUAL Inverter R410a 50/60HZ Models Indoor: Outdoor: YHKJXH012BAM--FX YHKJXH024BAR--FX YHKJXH036BAR--FX YHKJXH048BAR--FX YHFJXH012BAM--FX YHFJXH024BAR--FX YHFJXH036BAR--FX YHFJXH048BAR--FX YHDJXH012BAM--GX YHDJXH024BAR--GX YHEJXH028BAR--GX YHEJXH048BAR--GX YHGJXH048BAR--GX YHGJXH060BAR--GX YHKJXH018BAM--FX YHKJXH028BAR--FX YHKJXH048BAR--FX YHKJXH060BAR--FX YHFJXH018BAM--FX YHFJXH028BAR--FX YHFJXH048BAR--FX YHFJXH060BAR--FX YHDJXH018BAM--GX YHEJXH024BAR--GX YHEJXH036BAR--GX YHEJXH048BAR--GX YHGJXH048BAR--GX JHUYH012BAM-A-X JHUYH018BAM-A-X YHUJYH024BAR-A-X YHUJYH028BAR-A-X YHUJYH036BAR-A-X YHUJYH048BAR-A-X YHUJYH048BAS-A-X YHUJYH060BAS-A-X CONTENTS Contents………………………………………………………......2 1. Description of products & features…………………………..4 2. Specification…………………………………………………...5 3. Dimensions…………………………………………………....35 4. Pipe and wiring installation…..……………………………...42 5. PCB photo, wiring diagram and function description…….110 6. Diagnostic code and troubleshooting.…………………….140 7. Outdoor performance curves………..……………………..148 8. Indoor air velocity and temperature distribution curves....153 9. Air flow and static pressure chart…………………………..155 10. Noise level…………………………………………………..157 11. Sensor characteristic….…………………………………...170 12. Controller functions…...…………………………………....172 1 1.Description of products & features 1.1 Brief Introduction for T1 working condition Climate type Type of Conditioner T1˄ć˅ Cooling Only 18ć~46ć Heat Pump -15ć ~ 46ć ~46 ć Electricity Heating 1.2 Operating Range of Air Conditioners Working temperature range Cooling Heating rated maximum minimum DBć 27 32 18 WBć 19 23 14 DBć 35 46 10 WBć 24 24 — DBć 20 27 15 WBć 14.5 — — DBć 7 24 ―15 WBć 6 18 — 2 1.3 Product features Super match By integrating intelligential technology of Haier A/C group, super match air conditioner, with universal indoor and outdoor units, make more intelligent and flexible choices on purchasing, easier inventory management to every customer. Good for choice Multi-choice of capacity and appearance of indoor unit according to various rooms. DC scroll compressor The highly efficient scroll compressor is equipped with a “flexible Mechanism” that allows movement in the axial direction of the frame supporting the cradle scroll. This greatly reduces both leakage and friction loss, ensuring very high efficiency throughout the speed range. DC inverter technology Powerful startup: Haier DC inverter system can startup and running at maximum frequency very quickly in order to reach the set temperature in the shorter time, which brings you great comfort experience. Minimum running: Haier DC inverter system will reduce the frequency and running smoothly according to the real load after reach the set temperature. The system funning cost reduced drastically which brings you real benefit of money saving. Automatic control Precise control: The temperature sensor can measure the temperature precisely with only 0.5℃ tolerance, which transfers the exact requirement to the system to adjust the compressor frequency accordingly. Once reach the set temperature, the system adjust the frequency smoothly according to the real time request and always maintain the temperature without fluctuation. Wider operation range Haier DC inverter system provide much wider working range that is suitable for special cooling, heating requirement. The Unitary Smart DC inv. outdoor unit default production with AC fan motor, DC fan motor is for optional choice with additional cost. 3 2 Specifications JHUJYH012BAM-A-X M odel U n it C a p a city ra te d P o w e rsu p p ly Cooling Heating KW 3 .5 3.4 B tu /h 1 1 94 5 11330 P h a se / 1 1 F re q u e n cy Hz 50 50 V o lta g e V 230 230 M o istu re R e m o va l L /h 1.6 1.6 R u n n in g C u rre n t(R a te d ) A 5 .7 6 .3 P o w e r C o n su m p tio n (R a te d ) W 1080 995 5 .1 3 .6 S E E R /S C O P P ip in g C o n n e ctio n L iq u id mm ij 6 .3 5 G as mm ij 9 .5 2 D ra in mm (e xte rn a l d ia m e te r ĭ1 6 H e a t In su la tio n B o th L iq u id a n d G a s P ip e s M a x. p ip in g L e n g th m 10 M a x. L e ve l D iffe re n ce m 5 C h a rg e le ss m 5 g /m 20 / W h ite A m o u n t o f A d d itio n a l C h a rg e o f R e frig e ra n t O u td o o r u n it C a sin g co lo r co m p re sso r re frig e ra n t T yp e / R o ta ry C o m p re sso r M odel / D A 8 9 X 1 - C2 0 FZ M o to r o u tp u t W O il typ e / O il ch a rg e ml 370 m odel / R 410A ch arg e kg F a n sp e e d H L F a n typ e 690 E S T E R O IL V G 4 7 1 .2 880 km/h 880 300 / 300 A xia l fa n F a n m o to r o u tp u t W 40 R u n n in g cu rre n t (ra te ) A 0 .2 P o w e r co n su m p tio n (ra te ) W 1550 D im e n sio n s(W × D × H ) mm 780×245×540 P a cka g e d D im e n sio n s(W × D × H ) mm 930×340×614 w e ig h t Kg 3 1 .5 kg 3 4 .5 d B (A ) 63 G ro ss w e ig h t O p e ra tio n S o u n d / 5 4 JHUJYH018BAM-A-X 4.8 5.1 16381 17375 4125 4375 1.8 6.8 6.7 600~1580~2000 EER / COP Rated 550~1490~2000 96 97 3.22 3.22 6.35 12.7 16.0 25 15 7 20 5 JHUJYH018BAM-A-X R SNB130FGYM2 900 FV50S 0.5 R410a 1.3 35.7 35.7 1306.1 1306.1 min 41 6.9 6.6 1550 1670 98 98 15 688X810X288 745X949X406 43 45.5 51 64 5 6 Model name Unit YHKJZH012BAM-AFX YHKJZH018BAM-AFX Outdoor YHUJYH012BAM-A-X YHUJYH018BAM-A-X Indoor YHKJXH012BAM--FX YHKJXH018BAM--FX V/Ph/Hz 230/1/50 230/1/50 Capacity kW(min~max) 3.5(0.9~4.5) 4.8(1.8~5.8) Input W(min~max) 1080(280~1650) 1490(550~2000) Rated current EER SEER Capacity A W/W W/W Btu/h 5 3.24 5.1 12371.4 6.8 3.22 5.1 17375 Input W(min~max) 995(280~1650) 1580(600~2000) Rated current COP SCOP A W/W W/W 4.7 3.62 3.64 6.7 3.22 3.4 Heating P design(-10℃ ) kW 3.4 4.8 l/h W A A 1.6 1800 8 3 1.8 2000 9.5 3 Wired&Wireless Wired&Wireless 2 2 1.25 1.25 Hydrophilic Aluminium Hydrophilic Aluminium 7 7 Tube material Inner Grooved copper tube Inner Grooved copper tube Number of circuit 4 4 YORK Power supply Rated Cooling Rated Heating Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing mm Fin material Indoor coil Indoor fan motor Tube outside diameter Input Output W W 30 11 62 18 Running current A 0.18 0.24 Capacitor uF 2 2 Speed (Hi/Me/Lo) rpm 690/520/560 795/690/550 m3/h 620/520/450 700/620/500 dB(A) 53/49/45 55/50/47 dB(A) 40/36/32 42/37/35 mm 570×570×260 570×570×260 mm 718×680×380 718×680×380 Net Gross Unit (WxDxH) kg kg mm 18.5 23 700×700×60 18.5 23 700×700×60 Packing (WxDxH) mm 740×750×115 740×750×115 Net Gross kg kg 2.8 4.8 2.8 4.8 Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) Indoor noise level(Sound power level) (Hi/ Me/Lo) Indoor noise level (Sound pressure level) (Hi/Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Indoor weight Panel dimension Panel weight mm 7 Model name Unit YHKJZH012BAM-AFX YHKJZH018BAM-AFX Outdoor YHUJYH012BAM-A-X YHUJYH018BAM-A-X Indoor YHKJXH012BAM--FX YHKJXH018BAM--FX 2 2 1.75 1.41 Hydrophilic Aluminium Hydrophilic Aluminium 9.52 7 Inner Grooved copper tube Inner Grooved copper tube 793 x43.3x550 793 x26.6x462 Number of circuit 4 3 Type Capacity Input W/h W Rotary 9043.92 690 Rotary 13992.48 1245 Rated current(RLA) A 2650 8.4 115 120 YORK Number of row Fin spacing mm Fin material Outdoor coil Tube outside diameter mm Tube material Coil length x height x width Compressor mm Thermal protector Refrigerant oil Input Output ml W W 370 62 40 500 56 41 Running current A 0.2 0.25 rpm m3/h dB(A) 850 1900 62 860 2200 64 dB(A) 54 54 mm 780×245×540 810×288×688 mm 930×340×614 949×406×745 kg kg g mm mm 32 35 R410A 1100 6.35 9.52 43 45.5 R410A 1300 6.35 12.7 m 15 25 Max. difference in level m 10 15 Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area ℃ ℃ ℃ m2 16~30 18~43 -15~24 25 16~30 18~43 -15~24 35 Outdoor fan motor Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) Unit (WxDxH) Outdoor dimension Packing (WxDxH) Outdoor weight Refrigerant Net Gross Type Charge Liquid side Gas side Refrigerant Max. refrigerant pipe length pipe 8 Model name Unit YHKJZH024BAR-AFX YHKJZH028BAR-AFX Outdoor YHUJYH024BAR-A-X YHUJYH028BAR-A-X Indoor YHKJXH024BAR--FX YHKJXH028BAR--FX V/Ph/Hz 230/1/50(60) 230/1/50(60) Capacity kW(min~max) 6.9(1.8~7.5) 7.8(2.0~8.7) Input W(min~max) 2225(500~2600) 2590(500~3800) Rated current EER SEER Capacity A W/W W/W Btu/h 9.4 3.1 5.217391304 24885 10.8 3.01 5.239130435 29008 Input W(min~max) 2010(500~2600) 2530(500~3800) Rated current COP SCOP A W/W W/W 9 3.63 3.6 11.6 3.36 3.4 Heating P design(-10℃ ) kW 6.5 7.8 l/h W A A 2.5 2600 12 3 2.8 4200 19 3 Wired&Wireless Wired&Wireless 2 2 1.3 1.3 Hydrophilic Aluminium Hydrophilic Aluminium 7 7 Tube material Inner Grooved copper tube Inner Grooved copper tube Number of circuit 8 8 YORK Power supply Rated Cooling Rated Heating Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing mm Fin material Indoor coil Indoor fan motor Tube outside diameter Input Output W W 140 40 140 40 Running current A 0.65 0.65 Capacitor uF 3 3 Speed (Hi/Me/Lo) rpm 710/620/520 710/620/520 m3/h 1300/1100/870 1300/1100/870 dB(A) 59/57/52 61/59/57 dB(A) 46/44/39 48/46/44 mm 840×840×240 840×840×240 mm 930×930×330 930×930×330 Net Gross Unit (WxDxH) kg kg mm 26.8 32.6 950×950×60 26.8 32.6 950×950×60 Packing (WxDxH) mm 985×985×115 985×985×115 Net Gross kg kg 6 7.5 6 7.5 Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) Indoor noise level(Sound power level) (Hi/ Me/Lo) Indoor noise level (Sound pressure level) (Hi/Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Indoor weight Panel dimension Panel weight mm 9 Model name Unit YHKJZH024BAR-AFX YHKJZH028BAR-AFX Outdoor YHUJYH024BAR-A-X YHUJYH028BAR-A-X Indoor YHKJXH024BAR--FX YHKJXH028BAR--FX 2 2 1.65 1.7 Hydrophilic Aluminium Hydrophilic Aluminium 7.94 7.94 Inner Grooved copper tube Inner Grooved copper tube 840 x39.9x700 855 x38.1x792 Number of circuit 4 6 Type Capacity Input W/h W Rotary 13992.48 1245 Rotary 24333.264 2200(60Hz) Rated current(RLA) A 8.4 9.7 120 120 YORK Number of row Fin spacing mm Fin material Outdoor coil Tube outside diameter mm Tube material Coil length x height x width Compressor mm Thermal protector Refrigerant oil Input Output ml W W 500 85 70 870 145 100 Running current A 0.4 0.4 rpm m3/h dB(A) 880 3000 68 900 3500 69 dB(A) 57 58 mm 860×308×730 948×340×840 mm 995×420×815 1040×430×1000 kg kg g mm mm 49 52 R410A 1600 9.52 15.88 64 73 R410A 2600 9.52 15.88 m 25 30 Max. difference in level m 15 20 Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area ℃ ℃ ℃ m2 16~30 -10~46 -15~24 45 16~30 -10~46 -15~24 55 Outdoor fan motor Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) Unit (WxDxH) Outdoor dimension Packing (WxDxH) Outdoor weight Refrigerant Net Gross Type Charge Liquid side Gas side Refrigerant Max. refrigerant pipe length pipe 10 Model name Unit YHKJZH036BAR-AFX YHKJZH048BAR-AFX Outdoor YHUJYH036BAR-A-X YHUJYH048BAR-A-X Indoor YHKJXH036BAR--FX YHKJXH048BAR--FX V/Ph/Hz 230/1/50(60) 230/1/50(60) Capacity kW(min~max) 9.3(2.0~10.3) 12.1(6.0~13.8) Input W(min~max) 3000(500~3800) 4115(2000~6000) Rated current EER SEER Capacity A W/W W/W Btu/h 12.87 3.097826087 5.347826087 32030.55 18 2.94 / 43121.875 Input W(min~max) 2780(500~3800) 4070(2000~6000) Rated current COP SCOP A W/W W/W 12.1 3.38 3.6 18 3.10 / Heating P design(-10℃ ) kW 9.1 / l/h W A A 3 4500 20 3 3.8 6000 26 3 Wired&Wireless Wired&Wireless 2 2 1.4 1.4 Hydrophilic Aluminium Hydrophilic Aluminium 7 7 Tube material Inner Grooved copper tube Inner Grooved copper tube Number of circuit 11 11 YORK Power supply Rated Cooling Rated Heating Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing mm Fin material Indoor coil Indoor fan motor Tube outside diameter Input Output W W 150 50 150 50 Running current A 0.68 0.68 Capacitor uF 8 8 Speed (Hi/Me/Lo) rpm 680/610/530 680/610/530 m3/h 1600/1450/1300 1600/1450/1300 dB(A) 62/60/57 / dB(A) 49/47/44 49/47/44 mm 840×840×290 840×840×290 mm 930×930×390 930×930×390 Net Gross Unit (WxDxH) kg kg mm 31 37 950×950×60 31 37 950×950×60 Packing (WxDxH) mm 985×985×115 985×985×115 Net Gross kg kg 6 7.5 6 7.5 Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) Indoor noise level(Sound power level) (Hi/ Me/Lo) Indoor noise level (Sound pressure level) (Hi/Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Indoor weight Panel dimension Panel weight mm 11 Model name Unit YHKJZH036BAR-AFX YHKJZH048BAR-AFX Outdoor YHUJYH036BAR-A-X YHUJYH048BAR-A-X Indoor YHKJXH036BAR--FX YHKJXH048BAR--FX 3 2 1.55 1.4 Hydrophilic Aluminium Hydrophilic Aluminium 7.0 7.94 Inner Grooved copper tube Inner Grooved copper tube 960 x39.9x792 792x38.1x995 Number of circuit 8 in 4 out 9 Type Capacity Input W/h W Rotary 24333.264 2200(60Hz) Rotary 33718.464 3010 Rated current(RLA) A 9.7 9.3 120 120 YORK Number of row Fin spacing mm Fin material Outdoor coil Tube outside diameter mm Tube material Coil length x height x width Compressor mm Thermal protector Refrigerant oil Input Output ml W W 870 145 100 870 180 151 Running current A 0.4 0.8 rpm m3/h dB(A) 900 3500 69 850 4200 73 dB(A) 58 59 mm 948×340×840 1008×410×830 mm 1040×430×1000 1130×490×930 kg kg g mm mm 65 74 R410A 2700 9.52 15.88 82 93 R410A 2850 9.52 19.05 m 30 50 Max. difference in level m 20 30 Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area ℃ ℃ ℃ m2 16~30 -10~46 -15~24 65 16~30 -10~46 -15~24 82 Outdoor fan motor Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) Unit (WxDxH) Outdoor dimension Packing (WxDxH) Outdoor weight Refrigerant Net Gross Type Charge Liquid side Gas side Refrigerant Max. refrigerant pipe length pipe 12 Model name Unit YHKJZH048BAS-AFX YHKJZH060BAS-AFX Outdoor YHUJYH048BAS-A-X YHUJYH060BAS-A-X Indoor YHKJXH048BAR--FX YHKJXH060BAR--FX V/Ph/Hz 400/3/50(60) 400/3/50(60) Capacity kW(min~max) 12.1(6.0~13.8) 14.4(3.7~15.1) Input W(min~max) 4296(2000~6000) 5124(2000~6500) Rated current EER SEER Capacity A W/W W/W Btu/h 6.5 2.815217391 / 42304.5 8.5 2.81 / 52507.35 Input W(min~max) 4102(2000~6000) 5110(2000~6500) Rated current COP SCOP A W/W W/W 6.7 3.02 / 8.5 3.01 / Heating P design(-10℃ ) kW / / l/h W A A 3.8 6000 10 3 5 6500 10.5 3 Wired&Wireless Wired&Wireless 2 2 1.4 1.3 Hydrophilic Aluminium Hydrophilic Aluminium 7 7 Tube material Inner Grooved copper tube Inner Grooved copper tube Number of circuit 11 10 YORK Power supply Rated Cooling Rated Heating Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing mm Fin material Indoor coil Indoor fan motor Tube outside diameter Input Output W W 150 50 190 60 Running current A 0.68 1.2 Capacitor uF 8 4.5 Speed (Hi/Me/Lo) rpm 680/610/530 670/550/460 m3/h 1600/1450/1300 1980/1750/1500 dB(A) / / dB(A) 49/47/44 49/44/42 mm 840×840×290 1230×840×280 mm 930×930×390 1325×920×370 Net Gross Unit (WxDxH) kg kg mm 31 37 950×950×60 38.6 45.7 1340×950×80 Packing (WxDxH) mm 985×985×115 1400×995×115 Net Gross kg kg 6 7.5 8.4 12.7 Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) Indoor noise level(Sound power level) (Hi/ Me/Lo) Indoor noise level (Sound pressure level) (Hi/Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Indoor weight Panel dimension Panel weight mm 13 Model name Unit 2 2 Outdoor 1.4 1.5 Indoor Hydrophilic Aluminium Hydrophilic Aluminium 7.94 7.94 Inner Grooved copper tube Inner Grooved copper tube 792x38.1x995 970x38.1x1200 9 10 Rotary Rotary 33718.464 47710.944 Number of circuit 3010 4270 Type Capacity Input W/h W 9.3 120 870 12 120 1400 Rated current(RLA) A 257 120 142 100 YORK Number of row Fin spacing mm Fin material Outdoor coil Tube outside diameter mm Tube material Coil length x height x width Compressor mm Thermal protector Refrigerant oil Input Output ml W W 1.1 850 4200 0.4 930 6500 Running current A 73 75 rpm m3/h dB(A) 59 1008×410×830 1130×490×930 60 948×340×1250 1095×410×1400 dB(A) 82 96 mm 93 106 mm R410A R410A kg kg g mm mm 2850 9.52 19.05 50 30 16~30 3300 9.52 19.05 50 30 16~30 m -10~46 -10~46 Max. difference in level m -15~24 -15~24 Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area ℃ ℃ ℃ m2 82 -10~46 -15~24 65 100 -10~46 -15~24 82 Outdoor fan motor Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) Unit (WxDxH) Outdoor dimension Packing (WxDxH) Outdoor weight Refrigerant Net Gross Type Charge Liquid side Gas side Refrigerant Max. refrigerant pipe length pipe 14 model YORK Power supply Capacity Capacity Input Rated Cooling Rated current EER SEER Capacity Capacity Input Rated Heating Rated current COP SCOP Heating P design(-10℃ ) Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing Fin material Tube outside diameter Indoor coil Tube material Coil length x height x width Number of circuit Input Output Indoor fan motor Running current Capacitor Speed (Hi/Me/Lo) Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) Indoor noise level(Sound power level) (Hi/Me/ Lo) Indoor noise level (Sound pressure level)(Hi/ Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Net Indoor weight Gross Number of row Fin spacing Fin material Tube outside diameter Outdoor coil Tube material Compressor Coil length x height x width Number of circuit Type Capacity Input Rated current(RLA) Thermal protector Refrigerant oil Unit Outdoor Indoor V/Ph/Hz Btu/h kW(min ~ max) W(min ~ max) A W/W W/W Btu/h kW(min ~ max) W(min ~ max) A W/W W/W kW l/h W A A mm mm mm YHFJZH012BAM-AFX YHUJYH012BAM-A-X YHFJXH012BAM--FX 230/1/50 12286 3.6(0.9 ~ 4.5) 1118(280 ~ 1650) 5 3.22 5.3 13992 4.1(1 ~ 4.8) 1100(280 ~ 1650) 4.9 3.73 3.8 3.4 1.6 1800 8.0 3 Wired&Wireless 3 1.5 Hydrophilic Aluminium 7 Inner Grooved copper tube 797x39.9x252 4 YHFJZH018BAM-AFX YHUJYH018BAM-A-X YHFJXH018BAM--FX 230/1/50 17064 5.0(1.7 ~ 5.3) 1500(550 ~ 2000) 6.8 3.33 5.6 19111 5.6(1.8 ~ 6.0) 1509(600 ~ 2000) 6.5 3.71 3.6 5 1.8 2000 9.5 3 Wired&Wireless 3 1.5 Hydrophilic Aluminium 7 Inner Grooved copper tube 797x39.9x252 4 W 79 W A uF rpm m3/h 28 0.32 2 1100/1025/825 650/550/450 96 55 0.55 3 1220/1190/1050 800/720/650 dB(A) 54/50/46 57/54/49 dB(A) 41/37/33 44/41/36 mm mm kg kg 990×199×655 1150×300×750 26.3 32.3 2 1.75 Hydrophilic Aluminium 9.52 Inner Grooved copper tube 793 x43.3x550 4 Rotary 9043.92 690 2650 115 370 990×199×655 1150×300×750 28.3 34.3 2 1.41 Hydrophilic Aluminium 7 mm mm mm W/h W A ml 15 Inner Grooved copper tube 793 x26.6x462 3 Rotary 13992.48 1245 8.4 120 500 model YORK Input O u t d o o r f a n Output motor Running current Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) O u t d o o r Unit (WxDxH) dimension Packing (WxDxH) Net Outdoor weight Gross Type Refrigerant Charge Liquid side Gas side Refrigerant pipe Max. refrigerant pipe length Max. difference in level Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area Unit Outdoor Indoor W W A rpm m3/h dB(A) dB(A) mm mm kg kg YHFJZH012BAM-AFX YHUJYH012BAM-A-X YHFJXH012BAM--FX 62 40 0.2 850 1900 62 54 780×245×540 930×340×614 32 35 R410A 1100 6.35 9.52 15 10 16 ~ 30 18 ~ 43 -15 ~ 24 24 g mm mm m m ℃ ℃ ℃ m2 16 YHFJZH018BAM-AFX YHUJYH018BAM-A-X YHFJXH018BAM--FX 56 41 0.25 860 2200 64 54 810×288×688 949×406×745 43 45.5 R410A 1300 6.35 12.7 25 15 16 ~ 30 18 ~ 43 -15 ~ 24 35 model YORK Power supply Capacity Capacity Input Rated Cooling Rated current EER SEER Capacity Capacity Input Rated Heating Rated current COP SCOP Heating P design(-10℃ ) Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing Fin material Tube outside diameter Indoor coil Tube material Coil length x height x width Number of circuit Input Output Indoor fan motor Running current Capacitor Speed (Hi/Me/Lo) Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) Indoor noise level(Sound power level) (Hi/Me/ Lo) Indoor noise level (Sound pressure level)(Hi/ Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Net Indoor weight Gross Number of row Fin spacing Fin material Tube outside diameter Outdoor coil Tube material Compressor Coil length x height x width Number of circuit Type Capacity Input Rated current(RLA) Thermal protector Refrigerant oil Unit Outdoor Indoor V/Ph/Hz Btu/h kW(min ~ max) W(min ~ max) A W/W W/W Btu/h kW(min ~ max) W(min ~ max) A W/W W/W kW l/h W A A W W A uF rpm m3/h YHFJZH024BAR-AFX YHUJYH024BAR-A-X YHFJXH024BAR--FX 230/1/50(60) 21842 6.4(1.8 ~ 6.7) 2216(500 ~ 2600) 9.5 2.89 5.2 23890 7.0(2.3 ~ 7.3) 2140(500 ~ 2600) 9.5 3.27 3.6 6.5 2.0 2600 12.0 3 Wired&Wireless 3 1.5 Hydrophilic Aluminium 7 Inner Grooved copper tube 797x39.9x252 4 96 55 0.55 3 1220/1190/1050 850/800/720 dB(A) 57/54/49 62/58/46 dB(A) 44/41/36 49/45/43 mm mm kg kg 990×199×655 1150×300×750 28.3 34.3 2 1.65 Hydrophilic Aluminium 7.94 Inner Grooved copper tube 840 x39.9x700 4 Rotary 13992.48 1245 8.4 120 500 1298×240×700 1500×315×790 37 47 2 1.7 Hydrophilic Aluminium 7.94 mm mm mm mm mm mm W/h W A ml 17 YHFJZH028BAR-AFX YHUJYH028BAR-A-X YHFJXH028BAR--FX 230/1/50(60) 26620 7.8(1.9 ~ 9.2) 2475(500 ~ 2600) 10.2 3.15 5.7 30751 9.0(2.0 ~ 9.6) 2480500 ~ 2600) 10.2 3.63 3.8 8 2.6 4200 19.0 3 Wired&Wireless 3 1.3 Hydrophilic Aluminium 7 Inner Grooved copper tube 1070x39.9x252 6 145 70 0.82 5 1145/1092/956 1630/1537/1375 Inner Grooved copper tube 855 x38.1x792 6 Rotary 24333 2200(60Hz) 9.7 120 870 model YORK Input O u t d o o r f a n Output motor Running current Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) O u t d o o r Unit (WxDxH) dimension Packing (WxDxH) Net Outdoor weight Gross Type Refrigerant Charge Liquid side Gas side Refrigerant pipe Max. refrigerant pipe length Max. difference in level Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area Unit Outdoor Indoor W W A rpm m3/h dB(A) dB(A) mm mm kg kg YHFJZH024BAR-AFX YHUJYH024BAR-A-X YHFJXH024BAR--FX 85 70 0.4 880 3000 68 57 860×308×730 995×420×815 49 52 R410A 1600 9.52 15.88 25 15 16~30 -10~46 -15~24 45 g mm mm m m ℃ ℃ ℃ m2 18 YHFJZH028BAR-AFX YHUJYH028BAR-A-X YHFJXH028BAR--FX 145 100 0.4 900 3500 69 58 948×340×840 1040×430×1000 64 73 R410A 2600 9.52 15.88 30 20 16~30 -10~46 -15~24 55 model YORK Power supply Capacity Capacity Input Rated Cooling Rated current EER SEER Capacity Capacity Input Rated Heating Rated current COP SCOP Heating P design(-10℃ ) Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing Fin material Tube outside diameter Indoor coil Tube material Coil length x height x width Number of circuit Input Output Indoor fan motor Running current Capacitor Speed (Hi/Me/Lo) Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) Indoor noise level(Sound power level) (Hi/Me/ Lo) Indoor noise level (Sound pressure level)(Hi/ Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Net Indoor weight Gross Number of row Fin spacing Fin material Tube outside diameter Outdoor coil Tube material Compressor Coil length x height x width Number of circuit Type Capacity Input Rated current(RLA) Thermal protector Refrigerant oil Unit Outdoor Indoor V/Ph/Hz Btu/h kW(min ~ max) W(min ~ max) A W/W W/W Btu/h kW(min ~ max) W(min ~ max) A W/W W/W kW l/h W A A W W A uF rpm m3/h YHFJZH036BAR-AFX YHUJYH036BAR-A-X YHFJXH036BAR--FX 230/1/50(60) 31739 9.3(2.0 ~ 10.1) 2982(500 ~ 2800) 10.9 3.11 5.6 36176 10.6(2.0 ~ 10.8) 2910(500 ~ 2800) 12.8 3.62 3.8 9.1 3.1 4500 20.0 3 Wired&Wireless 3 1.3 Hydrophilic Aluminium 7 Inner Grooved copper tube 1070x39.9x252 6 145 70 0.82 5 1145/1092/956 1630/1537/1375 dB(A) 62/58/46 / dB(A) 49/45/43 53/51/49 mm mm kg kg 1298×240×700 1500×315×790 37 47 3 1.55 Hydrophilic Aluminium 7.0 Inner Grooved copper tube 960 x39.9x792 8 in 4 out Rotary 24333 2200(60Hz) 9.7 120 870 1580×240×700 1710×315×790 54 61 2 1.4 Hydrophilic Aluminium 7.94 mm mm mm mm mm mm W/h W A ml 19 YHFJZH048BAR-AFX YHUJYH048BAR-A-X YHFJXH048BAR--FX 230/1/50(60) 42000 12.3(5.5 ~ 13.3) 3975(2000 ~ 6000) 17.5 3.09 / 47104 13.8(5.5 ~ 15.1) 4083(2000 ~ 6000) 18.5 3.38 / / 4.6 6000 26.0 3 Wired&Wireless 3 1.5 Hydrophilic Aluminium 7 Inner Grooved copper tube 1350x39.9x252 12 198 105 0.65 5 1250/1150/1100 2000/1800/1400 Inner Grooved copper tube 792x38.1x995 9 Rotary 33718 3010 9.3 120 870 model YORK Input O u t d o o r f a n Output motor Running current Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) O u t d o o r Unit (WxDxH) dimension Packing (WxDxH) Net Outdoor weight Gross Type Refrigerant Charge Liquid side Gas side Refrigerant pipe Max. refrigerant pipe length Max. difference in level Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area Unit Outdoor Indoor W W A rpm m3/h dB(A) dB(A) mm mm kg kg YHFJZH036BAR-AFX YHUJYH036BAR-A-X YHFJXH036BAR--FX 145 100 0.4 900 3500 69 58 948×340×840 1040×430×1000 65 74 R410A 2700 9.52 15.88 30 20 16~30 -10~46 -15~24 65 g mm mm m m ℃ ℃ ℃ m2 20 YHFJZH048BAR-AFX YHUJYH048BAR-A-X YHFJXH048BAR--FX 180 151 0.8 850 4200 73 59 1008×410×830 1130×490×930 82 93 R410A 2850 9.52 19.05 50 30 16~30 -10~46 -15~24 85 model YORK Power supply Capacity Capacity Input Rated Cooling Rated current EER SEER Capacity Capacity Input Rated current Rated Heating COP SCOP Heating P design(-10℃ ) Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing Fin material Tube outside diameter Indoor coil Tube material Coil length x height x width Number of circuit Input Output Indoor fan motor Running current Capacitor Speed (Hi/Me/Lo) Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) Indoor noise level(Sound power level) (Hi/Me/ Lo) Indoor noise level (Sound pressure level)(Hi/ Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Net Indoor weight Gross Number of row Fin spacing Fin material Tube outside diameter Outdoor coil Tube material Compressor Coil length x height x width Number of circuit Type Capacity Input Rated current(RLA) Thermal protector Refrigerant oil Unit Outdoor Indoor V/Ph/Hz Btu/h kW(min ~ max) W(min ~ max) A W/W W/W Btu/h kW(min ~ max) W(min ~ max) A W/W W/W kW l/h W A A W W A uF rpm m3/h YHFJZH048BAS-AFX YHUJYH048BAS-A-X YHFJXH048BAR--FX 400/3/50(60) 42000 12.3(5.5 ~ 13.3) 4040(2000 ~ 6000) 6.6 3.04 / 46464 13.6(5.5 ~ 15.1) 4120(2000 ~ 6000) 6.8 3.30 / / 4.6 6000 10.0 3 Wired&Wireless 3 1.5 Hydrophilic Aluminium 7 Inner Grooved copper tube 1350x39.9x252 12 198 105 0.65 5 1250/1150/1100 2000/1800/1400 dB(A) / / dB(A) 53/51/49 53/51/49 mm mm kg kg 1580×240×700 1710×315×790 54 61 2 1.4 Hydrophilic Aluminium 7.94 Inner Grooved copper tube 792x38.1x995 9 Rotary 33718 3010 9.3 120 870 1580×240×700 1710×315×790 54 61 2 1.5 Hydrophilic Aluminium 7.94 mm mm mm mm mm mm W/h W A ml 21 YHFJZH060BAS-AFX YHUJYH060BAS-A-X YHFJXH060BAR--FX 400/3/50(60) 50552 14.8(3.7 ~ 15.1) 5028(2000 ~ 6500) 8.5 2.95 / 51761 15.2(3.7 ~ 16.5) 4620(2000 ~ 6500) 8.1 3.28 / / 5.1 6500 10.5 3 Wired&Wireless 3 1.5 Hydrophilic Aluminium 7 Inner Grooved copper tube 1350x39.9x252 12 198 105 0.65 5 1250/1150/1100 2000/1800/1400 Inner Grooved copper tube 970x43.5x1200 10 Rotary 47711 4270 12 120 1400 model YORK Input O u t d o o r f a n Output motor Running current Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) O u t d o o r Unit (WxDxH) dimension Packing (WxDxH) Net Outdoor weight Gross Type Refrigerant Charge Liquid side Gas side Refrigerant pipe Max. refrigerant pipe length Max. difference in level Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area Unit Outdoor Indoor W W A rpm m3/h dB(A) dB(A) mm mm kg kg YHFJZH048BAS-AFX YHUJYH048BAS-A-X YHFJXH048BAR--FX 257 142 1.1 850 4200 73 59 1008×410×830 1130×490×930 82 93 R410A 2850 9.52 19.05 50 30 16~30 -10~46 -15~24 83 g mm mm m m ℃ ℃ ℃ m2 22 YHFJZH060BAS-AFX YHUJYH060BAS-A-X YHFJXH060BAR--FX 120 100 0.4 930 6500 75 60 948×340×1250 1095×410×1400 96 106 R410A 3300 9.52 19.05 50 30 16~30 -10~46 -15~24 100 Model name YORK Power supply Capacity Capacity Input Rated Cooling Rated current EER SEER Capacity Capacity Input Rated current Rated Heating COP SCOP Heating P design(-10℃) Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing Fin material Tube outside diameter Indoor coil Tube material Coil length x height x width Number of circuit Input Output Running current Indoor fan motor Speed (Hi/Me/Lo) Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) External static pressure Indoor noise level(Sound power level) (Hi/Me/ Lo) Indoor noise level (Sound pressure level)(Hi/ Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Net Indoor weight Gross Number of row Fin spacing Fin material Tube outside diameter Outdoor coil Tube material Compressor Coil length x height x width Number of circuit Type Capacity Input Rated current(RLA) Thermal protector Refrigerant oil Unit Outdoor Indoor V/Ph/Hz Btu/h kW(min~max) W(min~max) A W/W W/W Btu/h kW(min~max) W(min~max) A W/W W/W kW l/h W A A mm mm mm W W A rpm YHDJZH012BAM-AGX YHUJYH012BAM-A-X YHDJXH012BAM--GX 230/1/50 11945 3.5(0.8~4.1) 1080(280~1650) 5 3.24 5.3 13793 4.0(0.9~4.4) 1160(280~1650) 5.1 3.45 3.8 3.4 1.5 1200 8.0 3 Wired&Wireless 3 1.4 Hydrophilic Aluminium 7 Inner Grooved copper tube 434 x 39.9 x 252 3 40 30 0.5 YHDJZH018BAM-AGX YHUJYH018BAM-A-X YHDJXH018BAM--GX 230/1/50 17064 5.0(1.7~5.5) 1553(550~2100) 6.8 3.22 5.6 19112 5.4(1.8~6.0) 1496(600~2100) 6.5 3.61 3.8 5 1.9 2100 10.0 3 Wired&Wireless 2 1.4 Hydrophilic Aluminium 7 Inner Grooved copper tube 895x 26.6 x 252 4 90 74 0.5 m3/h 550 Pa 0/30 0/30 dB(A) 46/41/46 49/43/39 dB(A) 33/28/23 36/30/26 mm mm kg kg 850×420×185 1025×525×260 17 18 2 1.75 Hydrophilic Aluminium 9.52 Inner Grooved copper tube 793 x43.3x550 4 Rotary 9043.92 690 2650 115 370 1170×420×185 1345×525×260 25 26.5 2 1.41 Hydrophilic Aluminium 7 mm mm mm W/h W A ml 23 Inner Grooved copper tube 793 x26.6x462 3 Rotary 13992.48 1245 8.4 120 500 model YORK Input O u t d o o r f a n Output motor Running current Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) O u t d o o r Unit (WxDxH) dimension Packing (WxDxH) Net Outdoor weight Gross Type Refrigerant Charge Liquid side Gas side Refrigerant pipe Max. refrigerant pipe length Max. difference in level Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area Unit Outdoor Indoor W W A rpm m3/h dB(A) dB(A) mm mm kg kg YHDJZH012BAM-AGX YHUJYH012BAM-A-X YHDJXH012BAM--GX 62 40 0.2 850 1900 62 54 780×245×540 930×340×614 32 35 R410A 1100 6.35 9.52 15 10 16~30 18~43 -15~24 25 g mm mm m m ℃ ℃ ℃ m2 24 YHDJZH018BAM-AGX YHUJYH018BAM-A-X YHDJXH018BAM--GX 56 41 0.25 860 2200 64 54 810×288×688 949×406×745 43 45.5 R410A 1300 6.35 12.7 25 15 16~30 18~43 -15~24 35 Model name YORK Power supply Capacity Capacity Input Rated Cooling Rated current EER SEER Capacity Capacity Input Rated current Rated Heating COP SCOP Heating P design(-10℃) Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing Fin material Tube outside diameter Indoor coil Tube material Coil length x height x width Number of circuit Input Output Running current Indoor fan motor Speed (Hi/Me/Lo) Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) External static pressure Indoor noise level(Sound power level) (Hi/Me/ Lo) Indoor noise level (Sound pressure level)(Hi/ Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Net Indoor weight Gross Number of row Fin spacing Fin material Tube outside diameter Outdoor coil Tube material Compressor Coil length x height x width Number of circuit Type Capacity Input Rated current(RLA) Thermal protector Refrigerant oil Unit Outdoor Indoor V/Ph/Hz Btu/h kW(min~max) W(min~max) A W/W W/W Btu/h kW(min~max) W(min~max) A W/W W/W kW l/h W A A mm mm mm W W A rpm YHDJZH024BAR-AGX YHUJYH024BAR-A-X YHDJXH024BAR--GX 220/1/50(60) 24231 7.1(1.8~7.5) 2180(600~2600) 9.8 3.25 5.6 24231 7.2(2.8~7.6) 1980(600~2600) 9.2 3.63 3.8 6.5 2.2 2600 12.0 3 Wired&Wireless 3 1.4 Hydrophilic Aluminium 7 Inner Grooved copper tube 895x 39.9 x 252 6 90 74 0.5 YHEJZH024BAR-AGX YHUJYH024BAR-A-X YHEJXH024BAR--GX 230/1/50(60) 24231 7.1(1.8~7.5) 2158(600~2600) 9.8 3.29 5.2 25063 7.3(2.3~7.8) 2000(600~2600) 9.5 3.65 3.8 6.5 2.2 2600 12.0 3 Wired&Wireless 3 1.5 Hydrophilic Aluminium 7 Inner Grooved copper tube 813x39.9 x 252 6 190 88 0.86 1200/1100/1000 1100 1050/1000/900 Pa 0/30 0/50 dB(A) 52/45/42 56/54/51 dB(A) 39/32/29 44/42/39 mm mm kg kg 1170×420×185 1345×525×260 27 28.5 2 1.65 Hydrophilic Aluminium 7.94 Inner Grooved copper tube 840 x39.9x700 4 Rotary 13992.48 1245 8.4 120 500 950×650×270 1170×860×340 37 39 2 1.65 Hydrophilic Aluminium 7.94 mm mm mm W/h W A ml 25 Inner Grooved copper tube 840 x39.9x700 4 Rotary 13992.48 1245 8.4 120 500 model YORK Input O u t d o o r f a n Output motor Running current Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) O u t d o o r Unit (WxDxH) dimension Packing (WxDxH) Net Outdoor weight Gross Type Refrigerant Charge Liquid side Gas side Refrigerant pipe Max. refrigerant pipe length Max. difference in level Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area Unit Outdoor Indoor W W A rpm m3/h dB(A) dB(A) mm mm kg kg YHDJZH024BAR-AGX YHUJYH024BAR-A-X YHDJXH024BAR--GX 85 70 0.4 880 3000 68 57 860×308×730 995×420×815 49 52 R410A 1600 9.52 15.88 25 15 16~30 -10~46 -15~24 50 g mm mm m m ℃ ℃ ℃ m2 26 YHEJZH024BAR-AGX YHUJYH024BAR-A-X YHEJXH024BAR--GX 85 70 0.4 880 3000 68 57 860×308×730 995×420×815 49 52 R410A 1600 9.52 15.88 25 15 16~30 -10~46 -15~24 50 Model name YORK Power supply Capacity Capacity Input Rated Cooling Rated current EER SEER Capacity Capacity Input Rated current Rated Heating COP SCOP Heating P design(-10℃) Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing Fin material Tube outside diameter Indoor coil Tube material Coil length x height x width Number of circuit Input Output Running current Indoor fan motor Speed (Hi/Me/Lo) Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) External static pressure Indoor noise level(Sound power level) (Hi/Me/ Lo) Indoor noise level (Sound pressure level)(Hi/ Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Net Indoor weight Gross Number of row Fin spacing Fin material Tube outside diameter Outdoor coil Tube material Compressor Coil length x height x width Number of circuit Type Capacity Input Rated current(RLA) Thermal protector Refrigerant oil Unit Outdoor Indoor V/Ph/Hz Btu/h kW(min~max) W(min~max) A W/W W/W Btu/h kW(min~max) W(min~max) A W/W W/W kW l/h W A A mm mm mm W W A rpm YHEJZH028BAR-AGX YHUJYH028BAR-A-X YHEJXH028BAR--GX 230/1/50(60) 27693 8.1(1.9~9.0) 2691(500~3800) 12 3.01 5.2 31056 9.1(2.0~9.6) 2465(500~3800) 10.5 3.69 3.5 7.8 3.1 4200 19.0 3 Wired&Wireless 4 1.3 Hydrophilic Aluminium 7 Inner Grooved copper tube 1001x39.9 x 309 6 375 207 1.5 YHEJZH036BAR-AGX YHUJYH036BAR-A-X YHEJXH036BAR--GX 230/1/50(60) 32080 9.4(2.0~10.1) 3175(500~3800) 14.3 2.96 5.1 34811 10.2(2.0~11.0) 2887(500~3800) 13.2 3.53 3.4 9.1 3.6 4500 20.0 3 Wired&Wireless 4 1.5 Hydrophilic Aluminium 7 Inner Grooved copper tube 1001x39.9 x 309 6 375 207 1.5 1200/1100/1000 1200/1100/1000 2090/1970/1792 2090/1970/1792 Pa 50/100 50/100 dB(A) 63/61/59/55 63/61/59/55 dB(A) 50/48/46/42 50/48/46/42 mm mm kg kg 1135×742×270 1300×850×380 45.4 51.3 2 1.7 Hydrophilic Aluminium 7.94 Inner Grooved copper tube 855 x38.1x792 6 Rotary 24333 2200(60Hz) 9.7 120 870 1135×742×270 1300×850×380 45.4 51.3 3 1.55 Hydrophilic Aluminium 7.0 mm mm mm W/h W A ml 27 Inner Grooved copper tube 960 x39.9x792 8 in 4 out Rotary 24333 2200(60Hz) 9.7 120 870 model YORK Input O u t d o o r f a n Output motor Running current Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) O u t d o o r Unit (WxDxH) dimension Packing (WxDxH) Net Outdoor weight Gross Type Refrigerant Charge Liquid side Gas side Refrigerant pipe Max. refrigerant pipe length Max. difference in level Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area Unit Outdoor Indoor W W A rpm m3/h dB(A) dB(A) mm mm kg kg YHEJZH028BAR-AGX YHUJYH028BAR-A-X YHEJXH028BAR--GX 145 100 0.4 900 3500 69 58 948×340×840 1040×430×1000 64 73 R410A 2600 9.52 15.88 30 20 16~30 -10~46 -15~24 55 g mm mm m m ℃ ℃ ℃ m2 28 YHEJZH036BAR-AGX YHUJYH036BAR-A-X YHEJXH036BAR--GX 145 100 0.4 900 3500 69 58 948×340×840 1040×430×1000 65 74 R410A 2700 9.52 15.88 30 20 16~30 -10~46 -15~24 65 Model name YORK Power supply Capacity Capacity Input Rated Cooling Rated current EER SEER Capacity Capacity Input Rated current Rated Heating COP SCOP Heating P design(-10℃) Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing Fin material Tube outside diameter Indoor coil Tube material Coil length x height x width Number of circuit Input Output Running current Indoor fan motor Speed (Hi/Me/Lo) Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) External static pressure Indoor noise level(Sound power level) (Hi/Me/ Lo) Indoor noise level (Sound pressure level)(Hi/ Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Net Indoor weight Gross Number of row Fin spacing Fin material Tube outside diameter Outdoor coil Tube material Coil length x height x width Compressor Number of circuit Type Capacity Input Rated current(RLA) Thermal protector Refrigerant oil Unit Outdoor Indoor V/Ph/Hz Btu/h kW(min~max) W(min~max) A W/W W/W Btu/h kW(min~max) W(min~max) A W/W W/W kW l/h W A A mm mm mm W W A rpm YHEJZH048BAR-AGX YHUJYH048BAR-A-X YHEJXH048BAR--GX 230/1/50(60) 41636 12.2(5.6~13.6) 4340(2000~6000) 18.5 2.81 / 46578 13.6(5.6~15.4) 4240(2000~6000) 19 3.21 / / 4.5 6000 26.0 3 Wired&Wireless 4 1.5 Hydrophilic Aluminium 7 Inner Grooved copper tube 1001x39.9 x 309 6 350 240 1.6 YHEJZH048BAS-AGX YHUJYH048BAS-A-X YHEJXH048BAR--GX 400/3/50(60) 41295 12.1(5.6~13.6) 4285(2000~6000) 7 2.82 / 45895 13.4(5.6~15.4) 4170(2000~6000) 7 3.21 / / 4.5 6000 10.0 3 Wired&Wireless 4 1.5 Hydrophilic Aluminium 7 Inner Grooved copper tube 1001x39.9 x 309 6 350 240 1.6 1200/1100/1000 1200/1100/1000 2090/1970/1792 2090/1970/1792 Pa 50/100 50/100 dB(A) / / dB(A) 51/49/47/43 51/49/47/43 mm mm kg kg 1135×742×270 1300×850×380 52 55 2 2 1.4 Hydrophilic Aluminium 7.94 Inner Grooved copper tube 792x38.1x995 Rotary 33718 3010 9.3 120 870 1135×742×270 1300×850×380 52 55 2 1.4 Hydrophilic Aluminium 7.94 Inner Grooved copper tube mm mm mm W/h W A ml 29 792x38.1x995 9 Rotary 33718 3010 9.3 120 870 model YORK Input O u t d o o r f a n Output motor Running current Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) O u t d o o r Unit (WxDxH) dimension Packing (WxDxH) Net Outdoor weight Gross Type Refrigerant Charge Liquid side Gas side Refrigerant pipe Max. refrigerant pipe length Max. difference in level Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area Unit Outdoor Indoor W W A rpm m3/h dB(A) dB(A) mm mm kg kg YHEJZH048BAR-AGX YHUJYH048BAR-A-X YHEJXH048BAR--GX 180 151 0.8 850 4200 73 59 1008×410×830 1130×490×930 82 93 R410A 2850 9.52 19.05 50 30 16~30 -10~46 -15~24 85 g mm mm m m ℃ ℃ ℃ m2 30 YHEJZH048BAS-AGX YHUJYH048BAS-A-X YHEJXH048BAR--GX 257 142 1.1 850 4200 73 59 1008×410×830 1130×490×930 82 93 R410A 2850 9.52 19.05 50 30 16~30 -10~46 -15~24 83 Model name YORK Power supply Capacity Capacity Input Rated Cooling Rated current EER SEER Capacity Capacity Input Rated current Rated Heating COP SCOP Heating P design(-10℃) Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing Fin material Tube outside diameter Indoor coil Tube material Coil length x height x width Number of circuit Input Output Running current Indoor fan motor Speed (Hi/Me/Lo) Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) External static pressure Indoor noise level(Sound power level) (Hi/Me/ Lo) Indoor noise level (Sound pressure level)(Hi/ Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Net Indoor weight Gross Number of row Fin spacing Fin material Tube outside diameter Outdoor coil Tube material Compressor Coil length x height x width Number of circuit Type Capacity Input Rated current(RLA) Thermal protector Refrigerant oil Unit Outdoor Indoor V/Ph/Hz Btu/h kW(min~max) W(min~max) A W/W W/W Btu/h kW(min~max) W(min~max) A W/W W/W kW l/h W A A mm mm mm W W A rpm YHGJZH048BAR-AGX YHUJYH048BAR-A-X YHGJXH048BAR--GX 230/1/50(60) 42319 12.4(5.6~13.6) 4316(2000~6000) 18.5 2.87 / 46748 13.7(5.6~15.4) 3800(2000~6000) 17 3.61 / / 4.5 6000 26.0 3 Wired&Wireless 3 1.8 Hydrophilic Aluminium 9.52 Inner Grooved copper tube 1062x64.95 x450 5 470 270 1.95 YHGJZH048BAS-AGX YHUJYH048BAS-A-X YHGJXH048BAR--GX 400/3/50(60) 41295 12.1(5.6~13.6) 4300(2000~6000) 7 2.82 / 45895 13.4(5.6~15.4) 3700(2000~6000) 6.8 3.62 / / 4.5 6000 10.0 3 Wired&Wireless 3 1.8 Hydrophilic Aluminium 9.52 Inner Grooved copper tube 1062x64.95 x450 5 470 270 1.95 1070/860/690 1070/860/690 2580/2070/1560 2580/2070/1560 Pa 50~150 50~150 dB(A) / / dB(A) 50/46/42 50/46/42 mm mm kg kg 1197×830×360 1430×940×420 70 77 2 1.4 Hydrophilic Aluminium 7.94 Inner Grooved copper tube 792x38.1x995 9 Rotary 33718 3010 9.3 120 870 1197×830×360 1430×940×420 70 77 2 1.4 Hydrophilic Aluminium 7.94 mm mm mm W/h W A ml 31 Inner Grooved copper tube 792x38.1x995 9 Rotary 33718 3010 9.3 120 870 model YORK Input O u t d o o r f a n Output motor Running current Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) O u t d o o r Unit (WxDxH) dimension Packing (WxDxH) Net Outdoor weight Gross Type Refrigerant Charge Liquid side Gas side Refrigerant pipe Max. refrigerant pipe length Max. difference in level Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area Unit Outdoor Indoor W W A rpm m3/h dB(A) dB(A) mm mm kg kg YHGJZH048BAR-AGX YHUJYH048BAR-A-X YHGJXH048BAR--GX 180 151 0.8 850 4200 73 59 1008×410×830 1130×490×930 82 93 R410A 2850 9.52 19.05 50 30 16~30 -10~46 -15~24 85 g mm mm m m ℃ ℃ ℃ m2 32 YHGJZH048BAS-AGX YHUJYH048BAS-A-X YHGJXH048BAR--GX 257 142 1.1 850 4200 73 59 1008×410×830 1130×490×930 82 93 R410A 2850 9.52 19.05 50 30 16~30 -10~46 -15~24 83 Model name Power supply YORK Capacity Capacity Input Rated Cooling Rated current EER SEER Capacity Capacity Input Rated Heating Rated current COP SCOP Heating P design(-10℃) Moisture Removal Max. input consumption Max. current Starting current Operation Control Number of row Fin spacing Fin material Indoor coil Tube outside diameter Tube material Coil length x height x width Number of circuit Input Output Running current Indoor fan motor Speed (Hi/Me/Lo) Indoor air flow at 0/50/100 Pa(Hi/Me/Lo) External static pressure Indoor noise level(Sound power level) (Hi/Me/ Lo) Indoor noise level (Sound pressure level)(Hi/ Me/Lo) Unit (WxDxH) Indoor dimension Packing (WxDxH) Net Indoor weight Gross Number of row Fin spacing Fin material Outdoor coil Tube outside diameter Tube material Coil length x height x width Number of circuit Type Capacity Input Compressor Rated current(RLA) Thermal protector Refrigerant oil Unit YHGJZH060BAS-AGX Outdoor Indoor V/Ph/Hz Btu/h kW(min~max) W(min~max) A W/W W/W Btu/h kW(min~max) W(min~max) A W/W W/W kW l/h W A A YHUJYH060BAS-A-X YHGJXH060BAR--GX 400/3/50(60) 51875 15.2(3.7~15.8) 5370(2000~6500) 8.5 2.83 / 54605 16.0(3.7~17.0) 4680(2000~6500) 7.5 3.42 / / 4.9 6500 10.5 3 Wired&Wireless 3 1.8 Hydrophilic Aluminium 9.52 Inner Grooved copper tube 1062x64.95 x450 5 470 270 1.95 mm mm mm W W A rpm 1070/860/690 2580/2070/1560 Pa 50~150 dB(A) / dB(A) 50/46/42 mm mm kg kg 1197×830×360 1430×940×420 70 77 2 1.5 Hydrophilic Aluminium 7.94 Inner Grooved copper tube 970x38.1x1200 10 Rotary 47711 4270 12 120 1400 mm mm mm W/h W A ml 33 model YORK Outdoor fan motor Input Output Running current Speed Outdoor air flow Outdoor noise level (Sound power level) Outdoor noise level (Sound pressure level) O u t d o o r Unit (WxDxH) dimension Packing (WxDxH) Net Outdoor weight Gross Type Refrigerant Charge Liquid side Gas side Refrigerant pipe Max. refrigerant pipe length Max. difference in level Operation temperature range Ambient temperature range (Cooling) Ambient temperature range (Heating) Application area Unit Outdoor Indoor W W A rpm m3/h dB(A) dB(A) mm mm kg kg YHGJZH060BAS-AGX YHUJYH060BAS-A-X YHGJXH060BAR--GX 120 100 0.55 930 6500 75 60 948×340×1250 1095×410×1400 96 106 R410A 3300 9.52 19.05 50 30 16~30 -10~46 -15~24 105 g mm mm m m ℃ ℃ ℃ m2 34 3. Dimension YHUJYH028BAR-A-X YHUJYH036BAR-A-X 25 840 948 JHUJYH012BAM-A-X JHUJYH018BAM-A-X YHUJYH048BAR-A-X YHUJYH048BAS-A-X YHUJYH060BAS-A-X 25 830 1008 447 410 648 180 180 35 340 380 580 YHUJYH024BAR-A-X Model YHUJYH024BAR-A-X W D H L1 L2 L3 860 308 730 633 113.5 340 36 Cassette wx~vn3QUXUZS [\QZUZSo wv}v n4U_`MZOQ NQ`cQQZ _a_\QZPUZS N[X`_o {w{ }~v n4U_`MZOQ NQ`cQQZ _a_\QZPUZS N[X`_o BQR^USQ^MZ` \U\Q Ca_\QZPUZS N[X`_ }~vn4U_`MZOQ NQ`cQQZ _a_\QZPUZS N[X`_o ~zvn9ZP[[^ aZU`o ~|vn3QUXUZS [\QZUZSo _a_\QZPUZS N[X`_o |v; }~v n4U_`MZOQ NQ`cQQZ ~zvn9ZP[[^ aZU`o ~*vn3QUXUZS [\QZUZSo *{vn?^ZMYQZ` \MZQXo xz; x~; {w{ ~*vn3QUXUZS [\QZUZSo *{vn?^ZMYQZ` \MZQXo xv ?bQ^ >[`Q+ 4UYQZ_U[Z [R OQUXUZS [\QZUZS YM^WQP cU`T p OMZ NQ M_ XM^SQ M_ *wvYYr Na` `TQ YM`OTUZS \M^` [R OQUXUZS cU`T [^ZMYQZ` \MZQX _TMXX NQ [bQ^ xvYYt yvv yv wzv Ca_\QZPUZS N^MOWQ` 3QUXUZS y|; z~; w{ vv ~|vs~*v nOQUXUZS T[XQo *{v [b Q^ w{ vv }*v ~|vs~*v *{v [b Q^ w{ vv y{ NQX[c yvvv [bQ^ wvvv 2M^^UQ^ 7^[aZP 37 w{v wyz y{ |v w|z wz* ~~ ~{ yz| y{ ~zv y{ wz* x~} ~zv yz| GMXX [^ NM^^UQ^ [b Q^ |*v n8MZSUZS \[_U`U[Zo [b Q^ w{ vv YHFJZH012BAM-AFX YHFJZH018BAM-AFX YHFJZH024BAR-AFX 1-+ 1+0 1++ 22+ ,++ 100 /+ .0 .0 .+ -++ 33+ 38 -/+ ,33 3++ YHFJZH048BAS-AFX YHFJZH060BAS-AFX (mm) 1580 700 598 495 285 36 114 55 240 570 640 90 D=25 D = 47 440 300 150 D=200 D = 47 D = 47 D = 47 95 40 60 ? 50 ? 200 ? 47 224 ? 47 ? 47 155 ? 47 90 39 Low ESP duct B D I E G H F Indoor unit dimensions(unit:mm) Unit model A B C 12K 420 892 370 18K 24K 420 1212 370 D C A 12K 18K 24K E F 850 185 640 1170 185 960 G H I 85 760 152 85 1080 152 Med ESP duct YHEJXH024BAR--GX 40 YHEJXH028/36/48BAR--GX 4 758 15.88 2 YHGJXH048/60BAR--GX 1105 270 250 365 185 170 60 800 830 1320 41 45 250 1200 4.Installation JHUJYH012BAM-A-X 42 Piping Materials Types of Copper Pipes (Reference) Maximum Operation Pressure Applicable Refrigerants 3.4MPa R22, R407C 4.15MPa R410A Use pipes that meet the local standards. Piping Materials/Radial Thickness Use pipes made of phosphorus deoxidized copper. Since the operation pressure of the units that use R410A is higher than that of the units for use with R22, use pipes with at least the radial thickness specified in the chart below. (Pipes with a radial thickness of 0.7mm or less may not be used.) Size(mm) Size(inch) Radial Thickness(mm) 6.35 1/4'' 0.8t 9.52 3/8'' 0.8t 12.7 1/2'' 0.8t 15.88 5/8'' 1.0t 19.05 3/4'' 1.0t Type Type-O pipes Type-1/2H or Hpipes Although it was possible to use type-O for pipes with a size of up to 19.05(3/4") with conventional refrigerants, use type1/2H pipes for units that use R410A.(Type-O pipes may be used if the pipe size is 19.05 and the radial thickness is 1.2t.) The table shows the standards in Japan. Using this table as a reference, choose pipes that meet the local standards. Flare Machining (type-O and OL only) The flare machining dimensions for units that use R410A is larger than those for units that use R22 in order to increase air tightness. Flare Machining Dimension(mm) Size Dimension A R410A R22 6.35 1/4" 9.1 9.0 9.52 3/8" 13.2 13.0 12.7 1/2" 16.6 16.2 15.88 5/8" 19.7 19.4 19.05 3/4" 24.0 23.3 Dimension A External dimension of pipes If a clutch type flare tool is used to machine flares on units that use R410A, make the protruding part of the pipe between 1.0 and 1.5mm. Copper pipe gauge for adjusting the length of pipe protrusion is useful. Flare Nut Type-2 flare nuts instead of type-1 nuts are used to increase the strength. The size of some of the flare nuts have also been changed. Flare nut dimension(mm) External dimension of pipes Size Dimension B R410A(Type2) R22(Type1) 17.0 17.0 3/8" 22.0 22.0 1/2" 26.0 24.0 15.88 5/8" 29.0 27.0 19.05 3/4" 36.0 36.0 6.35 1/4" 9.52 12.7 Dimension B The table shows the standards in Japan. Using this table as a reference, choose pipes that meet the local standards. 43 44 NO Air outlet Wind direction Cushion rubber 4.Installation dimension(Unit:mm) JHUJYH012BAM-A-X 45 1. JHUJYH012BAM-A-X 2. Connection of pipes ƽ To bend a pipe, give the roundness as large as possible not to crush the pipe , and the bending radius should be 30 to 40 mm or longer. ƽ Connecting the pipe of gas side ¿rst makes working easier. ƽ The connection pipe is specialized for R410A. Half union Spanner Forced fastening without careful centering may damage the threads and cause a leakage of gas. Flare nut Torque wrench Pipe Diameter(Ǜ) Fastening torque Liquid side6.35mm(1/4") 18N.m Liquid/Gas side9.52mm(3/8") 42 N.m Gas side 12.7mm(1/2") 55N.m Gas side 15.88mm(5/8") 60 N.m Be careful that matters, such as wastes of sands,water,, etc. shall not enter the pipe. CAUTION The standard pipe length is C m. If it is over D m, the function of the unit will be affected. If the pipe has to be lengthened, the refrigerant should be charged, according to E g/m. But the charge of refrigerant must be conducted by professional air conditioner engineer. Before adding additional refrigerant, perform air purging from the refrigerant pipes and indoor unit using a vacuum pump,then charge additional refrigerant. Outdoor unit Indoor unit B B A A Indoor unit Outdoor unit Ɣ Ɣ Outdoor unit B A Oil trap Indoor unit Ɣ Ɣ Max.Elevation: Amax In case the elevation A is more than 5m, oil trap shoud be installed every 5~7 Max. Length: Bmax In case the pipe length B is more thanDm, the refrigerant should be charged, according to E g/m. 46 JHUJYH012BAM-A-X 47 (e.g.1U18FS1ERA) 48 JHUJYH012BAM-A-X T 25A/250V. Outdoor unit 1(N) 2 (L) 3 (C) To Indoor unit Model Connecting wiring 1(N ) 2 (L) 3 (C ) ^ POWER Power cable 49 JHUJYH012BAM-A-X 4G0.75mm 2 3G1.5mm2 JHUJYH018BAM-A-X service 50 51 52 NO Air outlet Wind direction Cushion rubber 4.Installation dimension(Unit:mm) JHUJYH018BAM-A-X 53 1. JHUJYH018BAM-A-X 2. Connection of pipes To bend a pipe, give the roundness as large as possible not to crush the pipe , and the bending radius should be 30 to 40 mm or longer. Connecting the pipe of gas side rst makes working easier. The connection pipe is specialized for R410A. Half union Spanner Forced fastening without careful centering may damage the threads and cause a leakage of gas. Flare nut Torque wrench Pipe Diameter( ) Fastening torque Liquid side6.35mm(1/4") 18N.m Liquid/Gas side9.52mm(3/8") 42 N.m Gas side 12.7mm(1/2") 55N.m Gas side 15.88mm(5/8") 60 N.m Be careful that matters, such as wastes of sands,water,, etc. shall not enter the pipe. CAUTION The standard pipe length is C m. If it is over D m, the function of the unit will be affected. If the pipe has to be lengthened, the refrigerant should be charged, according to E g/m. But the charge of refrigerant must be conducted by professional air conditioner engineer. Before adding additional refrigerant, perform air purging from the refrigerant pipes and indoor unit using a vacuum pump,then charge additional refrigerant. Outdoor unit JHUJYH018BAM-A-X Indoor unit B B A A Indoor unit Outdoor unit Outdoor unit B A Oil trap Indoor unit Max.Elevation: Amax In case the elevation A is more than 5m, oil trap shoud be installed every 5~7 Max. Length: Bmax In case the pipe length B is more thanDm, the refrigerant should be charged, according to E g/m. 54 55 56 JHUJYH018BAM-A-X T 25A/250V. FOR 18K Outdoor unit 1(N) 2 (L) JHUJYH018BAM-A-X Connecting wiring 4G0.75mm N { L POWER Model 3 (C) To Indoor unit Power cable 57 3G2.5mm2 2 4. Piping and wiring installation outdoor unit Carefully read the following information in order to operate the air conditioner correctly. Below are listed three kinds of Safety Precautions and Suggestions. WARNING Incorrect operations may result in severe consequences of death or serious injuries. CAUTION Incorrect operations may result in injuries or machine damages; in some cases may cause serious consequences. INSTRUCTIONS: These information can ensure the correct operation of the machine. Symbols used in the illustrations :Indicates an action that must be avoided. ! :Indicates that important instructions must be followed. :Indicates a part which must be grounded. :Beware of electric shock (This symbol is displayed on the main unit label.) After reading this handbook, hand it over to those who will be using the unit. The user of the unit should keep this mamual at hand and make it available to those who will be performing repairs or relocating the unit. Also, make it available to the new user when the user changes hands. Be sure to conform with the following important Safety Precautions. WARNING If any abnormal phenomena is found (e. g.smell of firing), please cut off switch off the power supply immediately, and contact the dealer to find out the handling method. In such case, to continue using the conditioner will damage the conditioner, and may cause electrical shock or fire hazard. After a long time use of air-conditioner the base should be checked for any damages. If the damaged base is not repaired, the unit may fall down and cause accidents. Don't dismantle the outlet of the outdoor unit. The exposure of fan is very dangerous which may harm human beings. When need maintenance and repairment, call dealer to handle it. Incorrect maintenance and repairment may cause water leak, electrical shock and fire hazard. WARNING No goods or nobody is permitted to placed on or stand on outdoor unit.The falling of goods and people may cause accidents. Air-conditioner can't be installed in the environment with inflammable gases because the inflammable gases near air-conditioner may cause fire hazard. Please let the dealer be responsible for installing the conditioner. Incorrect installation may cause water leak, electrical shock and fire hazard. Don't operate the air-conditioner with damp hands.Otherwise it will be shocked. Call the dealer to take measures to prevent the refrigerant from leaking. If conditioner is installed in a small room, be sure to take every measure in order to prevent suffocation accident even in case of refrigerant leakage. Only use correctly-typed fuse. May not use wire or any other materials replacing fuse, otherwise it may cause faults or fire accidents. Use discharge pipe correctly to ensure efficient discharge. Incorrect pipe use may cause water leaking. Installed electrical-leaking circuit breaker. It easily cause electrical shock without circuit breaker. 58 When conditioner is installed or reinstalled, the dealer should be responsible for them. Incorrect installation may cause water leaking, electrical shock and fire hazard. Connect earthing wire. Earthing wire should not be connected to the gas pipe, water pipe, lightning rod or phone line, incorrect earthing may cause shock. Earthing Safety Precautions WARNING Have the unit professionally installed. Improper installation by an unqualified person may result in water leak, electric shock, or fire. Place the unit on a stable, level surface that withstands the weight of the unit to prevent the unit from tipping over or falling causing injury as a result. Only use specified cables for wiring. Securely connect each cable, and make sure that the cables are not straining the terminals. Cables not connected securely and properly may generate heat and cause fire. Be sure to carefully follow each step in this handbook when installing the unit. Improper installation may result in water leak, electric shock, smoke or fire. Have all electrical work performed by a licensed electrician according to the local regulations and the instructions given in this manual. Secure a circuit designated exclusively to the unit. Improper installation or a lack of circuit capacity may cause the unit to malfunction or present a risk of electric shock, smoke,and fire. Take necessary safety measures against typhoons and earthquakes to prevent the unit from falling over. Securely attach the terminal cover(panel) on the unit. If installed improperly, dust and/or water may enter the unit and present a risk of electric shock, smoke or fire. Do not make any changes or modifications to the unit. In case of problems, consult the dealer. If repairs are not made properly, the unit may leak water and present a risk of electric shock, or it may produce smoke or cause fire. Only use refrigerant R410A as indicated on the unit when installing or relocating the unit. The use of any other refrigerant or an introduction of air into the unit circuit may cause the unit to run an abnormal cycle and abnormal cycle and cause the unit to burst. WARNING Do not touch the fins on the heat exchanger with bare hands, for they are sharp and dangerous. In the event of a refrigerant gas leak, provide adequate ventilation to the room. If leaked refrigerant gas is exposed to a heat source, noxious gases may form. With All-Fresh type air conditioners, outdoor air may be directly blown into the room upon thermo off. Take this into consideration when installing the unit. Direct exposure to outdoor air may present a health hazard, and it may also cause food items to deteriorate. Do not try to defeat the safety features of the devices, and do not change the settings. Defeating the safety features on the unit such as the pressure switch and temperature switch or using parts other than the dealer or specialist may result in fire or explosion. This appliance is not intended for use by persons (including children) with reducedphysical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. 59 When installing the unit in a small room, safeguard against hypoxia that results from leaked refrigerant reaching the threshold level. Consult the dealer for necessary measures to take. When relocating the air conditioner, consult the dealer or a specialist. Improper installation may result in water leak, electric shock, or fire. After completing the service work, check for a refrigerant gas leak. If leaked gas refrigerant is exposed to a heat source such as fan heater,stove,and electric grill, noxious gases may form. Only use specified parts. Have the unit professionally installed. Improper installation may cause water leak, electric shock,smoke, or fire. Children should be supervised to ensure that they do not play with the appliance. Safety Precautions Precautions for Handling Units for Use with R410A Caution Do not use the existing refrigerant piping Use a vacuum pump with a reverse-flow check valve. If other types of valves are used, the vacuum pump oil will The old refrigerant and refrigerator oil in the existing piping flow back into the refrigerant cycle and cause the refrigerator contain a large amount of chlorine, which will cause the oil to deteriorate. refrigerator oil in the new unit to deteriorate. R410A is a high-pressure refrigerant, and the use of the Do not use the following tools that have been used with the existing piping may result in bursting. conventional refrigerants. Prepare tools that are for exclusive use with R410A. (Gauge manifold, charging hose, gas leak detector, reverse-flow check valve, refrigerant charge base,vacuum gauge, and refrigerant recovery equipment.) If refrigerant and/or refrigerant oil left on these tools are Keep the inner and outer surfaces of the pipes clean and mixed in with R410, or if water is mixed with R410A, it will free of contaminants such as sulfur, oxides, dust/dirt shaving cause the refrigerant to deteriorate. particles,oils,and moisture. Since R410A does not contain chlorine, gas-leak detectors Contaminants inside the refrigerant piping will cause the for conventional refrigerators will not work. refrigerant oil to deteriorate. Caution Store the piping to be used during installation indoors, and Do not use a charging cylinder. keep both ends of the piping sealed until immediately before The use of charging cylinder will change the composition brazing.(keep elbows and other joints wrapped in plastic.) of the refrigerant and lead to power loss. If dust, dirt, or water enters the refrigerant cycle, it may cause the oil in the unit to deteriorate or may cause the compressor to malfunction. Exercise special care when handling the tools. An introduction of foreign objects such as dust, dirt or Use a small amount of ester oil, ether oil, or alkylbenzene water into the refrigerant cycle will cause the refrigerating to coat flares and flange connections. machine oil to deteriorate. A large amount of mineral oil will cause the refrigerating machine oil to deteriorate. Use liquid refrigerant to charge the system. Charge the unit with gas refrigerant will cause the refrigerant Only use R410A refrigerant. in the cylinder to change its composition and will lead to The use of refrigerants containing chlorine(i.e. R22) will a drop in performance cause the refrigerant to deteriorate. Before Installing the Unit Caution Do not install the unit in a place where there is a possibility When installing the unit in a hospital, take necessary measures of flammable gas leak. against noise. Leaked gas accumulated around the unit may start a fire. High-frequency medical equipment may interfere with the normal operation of the air conditioning unit or the air Do not use the unit to preserve food, animals, plants, artifacts, conditioning unit may interfere with the normal operation or for other special purposes. of the medical equipment The unit is not designed to provide adepuate conditions to preserve the quality of these items. Do not use the unit in an unusual environment The use of the unit in the presence of a large amount of oil, steam, acid, alkaline solvents or special types of sprays Do not place the unit on or over things that may not get wet. may lead to a remarkable drop in performance and/or When humidity level exceeds 80% or when the drainage malfunction and presents a risk of electric shock, smoke, system is clogged, indoor units may drip water. or fire. Installation of a centralized drainage system for the outdoor The presence of organic solvents, corroded gas (such as unit may also need to be considered to prevent water drips ammonia,sulfur compounds,and acid may cause gas or from the outdoor units. water leak.) 60 Safety Precautions Before Installing (Relocating) the Unit or Performing Electric Work Caution Ground the unit. Do not connect the grounding on the unit to gas pipes,water pipes, lightning rods, or the grounding terminals of telephones. Improper grounding presents a risk of electric shock, smoke, fire, or the noise caused by improper grounding may cause the unit to malfunction. Do not spray water on the air conditioners or immerse the air conditioners in water. Water on the unit presents a risk of electric shock. Periodically check the platform on which is placed for damage to prevent the unit from falling. If the unit is left on a damaged plarform, it may topple over, causing injury. Make sure the wires are not subject to tension. If the wires are too taut, they may break or generate heat When installing draining pipes, follow the instructions in the and/or smoke and cause fire. manual, and make sure that they properly drain water so as Install a breaker for current leakage at the power source to avoid dew condensation. to avoid the risk of electric shock. If not installed properly, they may cause water leaks and Without a breaker for current leakage, there is a risk of damage the furnishings. electric shock, smoke or fire. Properly dispose of the packing materials. Use breakers and fuses (electrical current breaker, remote Things such as nails may be included in the package. switch<switch+Type-B fuse>,molded case circuit breaker) Dispose of them properly to prevent injury. with a proper current capacity. Plastic bags present a choking hazard to children. Tear up the plastic bags before disposing of them to prevent The use of large-capacity fuses, steel wire, or copper wire accidents. may damage the unit or cause smoke or fire. Before the Test Run Caution Do not operate switches with wet hands to avoid electric. Do not touch the refrigerant pipes with bare hands during and immediately after operation. Depending on the state of the refrigerant in the system, certain parts of the unit such as the pipes and compressor may become very cold or hot and may subject the person to frost bites or burning. Do not operated the unit without panels and safety guards in their proper places. They are there to keep the users from injury from accidentally touching rotating, high-tempreture or highvoltage parts. Do not turn off the power immediately after stopping the unit. Allow for at least five minutes before turning off the unit, otherwise the unit may leak water or experience other problems. Do not operate the unit without air filters. Dust particles in the air may clog the system and cause malfunction. 61 Read Before Installation Items to Be Checked (1). Verify the type of refrigerant used by the unit to be serviced. Refrigerant Type: R410A (2). Check the symptom exhibited by the unit to be serviced. Look in this service handbook for symptoms relating to the refrigerant cycle. (3). Be sure to carefully read the safety precautions at the beginning of this document. (4). If there is a gas leak or if the remaining refrigerant is exposed to an open flame, a noxious gas hydrofluoric acid may form. Keep workplace well ventilated. CAUTION Install new pipes immediately after removing old ones to keep moisture out of the refrigerant circuit. Chloride in some types of refrigerants such as R22 will cause the refrigerating machine oil to deteriorate. Necessary Tools and Materials Prepare the following tools and materials necessary for installing and servicing the unit. Necessary tools for use with R410A(Adaptability of tools that are for use with R22 and R407C). 1. To be used exclusively with R410A ( Not to be used if used with R22 or R407C ) Tools/Materials Use Notes Gauge Manifold Evacuating,refrigerant charging 5.09MPa on the High-pressure side. Charging Hose Evacuating, refrigerant charging Hose diameter larger than the concentional ones. Refrigerant Recovery Equipment Refrigerant recovery Refrigerant Cylinder Refrigerant charging Write down the refrigerant type. Pink in color at the top of the cylinder. Refrigerant Cylinder Charging Port Refrigerant charging Hose diameter larger than the conventional ones. Flare Nut Connecting the unit to piping Use Type-2 Flare nuts. 2. Tools and materials that may be used with R410 with some restrictions Tools/Materials Use Notes Gas leak detector Detection of gas leaks The ones for HFC type refrigerant may be used. Vacuum Pump Vacuum drying May be used if a reverse flow check adaptor is attached. Flare Tool Flare machining of piping Chages have been made in the flare machining dimension.Refer to the next page. Refrigerant Recovery Equipment Recovery of refrigerant May be used if designed for use with R410A. 3. Tools and materials that are used with R22 or R407C that can also be used with R410A Tools/Materials Use Vacuum Pump with a Check Valve Vacuum drying Bender Bending pipes Torque Wrench Tightening flare nuts Pipe Cutter Cutting pipes Welder and Nitrogen Cylinder Welding pipes Refrigerant Charging Meter Refrigerant charging Vacuum Gauze Checking vacuum degree Notes Only 12.70 (1/2'') and 15.88(5/8'') have a larger flare machining dimension. 4. Tool and materials that must not used with R410A Tools/Materials Charging Cylinder Use Notes Refrigerant Charging Must not be used with R410-type units. Tools for R410A must be handled with special care, and keep moisture and dust from entering the cycle. 62 Read Before Installation Piping Materials Types of Copper Pipes (Reference) Maximum Operation Pressure Applicable Refrigerants 3.4MPa R22, R407C 4.15MPa R410A Use pipes that meet the local standards. Piping Materials/Radial Thickness Use pipes made of phosphorus deoxidized copper. Since the operation pressure of the units that use R410A is higher than that of the units for use with R22, use pipes with at least the radial thickness specified in the chart below. (Pipes with a radial thickness of 0.7mm or less may not be used.) Size(mm) 6.35 Size(inch) 1/4'' Radial Thickness(mm) 0.8t 9.52 3/8'' 0.8t 12.7 1/2'' 0.8t 15.88 5/8'' 1.0t 19.05 3/4'' 1.0t Type Type-O pipes Type-1/2H or Hpipes Although it was possible to use type-O for pipes with a size of up to 19.05(3/4") with conventional refrigerants, use type1/2H pipes for units that use R410A.(Type-O pipes may be used if the pipe size is 19.05 and the radial thickness is 1.2t.) The table shows the standards in Japan. Using this table as a reference, choose pipes that meet the local standards. Flare Machining (type-O and OL only) The flare machining dimensions for units that use R410A is larger than those for units that use R22 in order to increase air tightness. Flare Machining Dimension(mm) Size Dimension A R410A R22 6.35 1/4" 9.1 9.0 9.52 3/8" 13.2 13.0 12.7 1/2" 16.6 16.2 15.88 5/8" 19.7 19.4 19.05 3/4" 24.0 23.3 Dimension A External dimension of pipes If a clutch type flare tool is used to machine flares on units that use R410A, make the protruding part of the pipe between 1.0 and 1.5mm. Copper pipe gauge for adjusting the length of pipe protrusion is useful. Flare Nut Type-2 flare nuts instead of type-1 nuts are used to increase the strength. The size of some of the flare nuts have also been changed. Flare nut dimension(mm) External dimension of pipes Size Dimension B R410A(Type2) R22(Type1) 17.0 17.0 3/8" 22.0 22.0 1/2" 26.0 24.0 15.88 5/8" 29.0 27.0 19.05 3/4" 36.0 36.0 6.35 1/4" 9.52 12.7 Dimension B The table shows the standards in Japan. Using this table as a reference, choose pipes that meet the local standards. 63 Read Before Installation Air Tightness Test No changes from the conventional method. Note that a refrigerant leakage detector for R22 or R407C cannot detect R410A leakage. NO NO Halide torch R22 or R407C leakage detector Items to be strictly observed : 1.Pressurize the equipment with nitrogen up to the design pressure and then judge the equipment's air tightness, taking temperature variations into account. 2.When investigating leakage locations using a refrigerant, be sure to use R410A. 3.Ensure that R410A is in a liquid state when charging. Reasons: Use of oxygen as the pressurized gas may cause an explosion. 1. 2. Charging with R410A gas will lead the composition of the remaining refrigerant in the cylinder to change and then this refrigerant can not be used. Vacuuming 1.Vacuum pump with check valve A vacuum pump with a check valve is required to prevent the vacuum pump oil from flowing back into the refrigerant circuit when the vacuum pump power is turned off (power failure). It is also possible to attach a check valve to the actual vacuum pump afterwards. 2.Standard degree of vacuum for the vacuum pump Use a pump which reaches 65Pa or below after 5 minutes of operation. In addition, be sure to use a vacuum pump that has been properly maintained and oiled using the specified oil. If the vacuum pump is not properly maintained, the degree of vacuum may be too low. 3.Required accuracy of the vacuum gauge Use a vacuum gauge that can measure up to 650Pa. Do not use a general gauge manifold since it cannot measure a vacuum of 650Pa. 4.Evacuating time Evacuate the equipment for 1 hour after 650Pa has been reached. After envacuating, leave the equipment for 1 hour and make sure the that vacuum is not lost. 5.Operating procedure when the vacuum pump is stopped In order to prevent a backflow of the vacuum pump oil, open the relief valve on the vacuum pump side or loosen the charge hose to drawn in air before stopping operation.The same operating procedure should be used when using a vacuum pump with a check valve. Charging Refrigerant R410A must be in a liquid state when charging. Reasons: R410A is a pseudo-azeotropic refrigerant (boiling point R32= -52 C, R125= -49 C) and can roughly be handled in the same way as R22; however, be sure to fill the refrigerant from the liquid side, for doing so from the gas side will somewhat change the composition of the refrigerant in the cylinder. Note In the case of a cylinder with a syphon, liquid R410A is charged without turning the cylinder up side down. Check the type of cylinder before charging. Remedies to be taken in case of a refrigerant leak When refrigerant leaks, additional refrigerant may be charged. (Add the refrigerant from the liquid side) Characteristics of the Conventional and the New Refrigerants Because R410A is a simulated azeotropic refrigerant, it can be handled in almost the same mammer as a single refrigerant such as R22. Howerver, if the refrigerant is removed in the vapor phase, the composition of the refrigerant in the cylinder will somewhat change. Remove the refrigerant in the liquid phase. Additional refrigerant may be added in case of a refrigerant leak. 64 Name of Parts 24K 28K 36K Air inlet Air inlet Air outlet Air outlet Compressor (Inside of unit) Compressor (Inside of unit) 60K 48K(1 phase) 48K(3 phase) Air inlet Air inlet Air outlet Air outlet Compressor (Inside of unit) Compressor (Inside of unit) 65 Installation Procedure Installation of Outdoor Unit 1. Selection of the place of installation Select the place of installation satisfying the following conditions and, at the same time, obtain a consent from the client or user. Place where air circulates. Place free from heat radiation from other heat sources. Place where drain water may be discharged. Place where noise and hot air may not disturb the neighborhood. Place where there is not heavy snowfall in the winter time. Place where obstacles do not exist near the air inlet and air outlet . Place where the air outlet may not be exposed to a strong wind. Place surrounded at four sides are not suitable for installation. A 1m or more of overhead space is needed for the unit. Avoid mounting guide-louvers to the place where short-circuit is a possibility. When installing several units, secure sufficient suction space to avoid short circuiting. Open space requirement around the unit Air inlet L2 Air inlet Distance L1 L2 L3 L3 500 (Servicing space) Case I open 300 mm 150 mm Case II open 300 mm 300 mm Case III 500 mm open 150 mm Note : (1) Fix the parts with screws. (2) Don't intake the strong wind directly to NO the outlet air-flow hole. (3) A one meter distance should be Wind direction kept from the unit top. (4) Don't block the surroundings of the unit with sundries. (5) If the outdoor unit is installed in a place that is exposed to the wind, install the unit so that the outlet grid is NOT pointing in the direction of the wind. Air outlet L1 2. Installation of outdoor unit Fix the unit on the foundation in a proper way according to the condition of the installation place, referring to the following information. Give enough room for the concrete foundation to fix by anchor bolts. Place the concrete foundation deep enough. Install the unit so that the angle of inclination must be less than 3 degrees. (a) Concrete foundation (b) Foundation anchor Unit Unit Anchor bolt Concrete foundation Concrete foundation To fix by bolts Anchor bolt 66 Installation Procedure Installation of Outdoor Unit 3. Installation dimension (Unit:mm) 24K 28K 36K 948 25 730 840 860 633 380 340 308 340 580 60K 48K(1 phase) 48K(3 phase) 948 25 1250 830 1008 25 648 180 67 340 180 380 447 410 580 Installation Procedure Piping Connection 1. Piping diagram 24K 28K 36K 48K(1 phase) 48K(3 phase) 60K Flare connection 3-way stop valve Gas pipe Indoor unit Outdoor unit Liquid pipe 3-way stop valve 2. Piping size 24K 28K 36K 48K(1 phase) 48K(3 phase) 60K Liquid pipe 9.52x0.8mm Gas pipe 15.88x1.0mm Liquid pipe 9.52x0.8mm Gas pipe 19.05x1.0mm 90+0.5 Install the removed flare nuts to the pipes to be connected, then flare the pipes. 3. Limitations for one way piping length and vertical height difference Model One way piping length Vertical height difference (between indoor and outdoor) 24K 28K 36K less than 30 m less than 20 m 48K(1 phase) 48K(3 phase) 60K less than 50 m less than 30 m Precautions for refrigerant piping Do not twist or crush piping. Be sure that no dust is mixed in piping. Bend piping with as wide angle as possible. Keep insulating both gas and liquid piping. Check flare-connected area for gas leakage. Spanner Joint Spanner Nut 4. Piping connection method Apply refrigerant oil to the joint and the flange. To bend a pipe, give the roundness as possible not to crush the pipe. When connecting pipe, hold the pipe centre to centre and then screw nut on by hand, refer to Fig. Be careful not to let foreign matters, such as sands enter the pipe. Pipe diameter Liquid pipe 6.35mm 14.2-17.2 Liquid pipe 9.52mm 32.7-39.9 Gas pipe 12.7mm 49.5-60.3 Gas pipe 15.88mm 61.8-75.4 Gas pipe 19.05mm 97.2-118.6 Forced fastening without centering may damage the threads and cause a gas leakage. 68 Fastening torque (N.m) Installation Procedure Air Tightness Test After finishing connection of refrigerant pipe, it shall perform air tightness test. The air tightness test adopts nitrogen tank to give pressure according to the pipe connection mode as the following figure shown. The gas and liquid valve are all in close state. In order to prevent the nitrogen entering the circulation system of outdoor unit, tighten the valve rod before giving pressure (both gas and liquid valve rods). Low pressure piezometer High pressure piezometer Indoor Outdoor stop valve totally closed (Gas side) Completely tightened Flare part VL VH Meter separator Discharging valve Completely tightened Flare part Manhole Indoor units Dropping valve Nitrogen tank Outdoor units stop valve totally closed (Liquid side) 2 Line pressure gauge 1) Pressurize for over 3 minutes at 0.3MPa (3.0 kg/cm g). 2 2) Pressurize for over 3 minutes at 1.5MPa (15 kg/cm g). A large leakage will be found. 2 3) Pressurize for about 24 hours at 3.0MPa (30 kg/cm g). A small leakage will be found. Cylinder pressure gauge Tubing bring brazed Sweat joint Cylinder of nitrogern Large slip-on connector Service hose Check if the pressure drops If the pressure does not drop, then pass. If the pressure drops, then please check the leaking point. 2 When pressurizing for 24 hours, a variation of 1 C in the ambient temperature will cause a variation of 0.01MPa(0.1kg/cm g) in pressure. It shall be corrected during test. Checking the leaking point In 1) to 3) steps, if the pressure drops, check the leakage in each joint by listening, touching and using soap water etc. to identify the leaking point. After confirming the leaking point, welding it again or tighten the nut tightly again. Installation Procedure Additional Refrigerant Charge When the total length (L) of the two indoor units' connecting pipe is less than 5m, it is unnecessary to charge additional refrigerant. If the connecting pipe (L) exceeds 5m, it shall charge M(g) additional refrigerant per meter. That is: Refrigerant charging amount = (L-5m) x 45 (g/m) Only in COOLING operation can charge the additional refrigerant. When charging, the refrigerant shall be charged from the charging nozzle of low pressure valve. Be carefull when charging refrigerant, do not let the air mix into the system, and must charge the additional refrigerant in liquid state. 69 Installation Procedure Vacuuming Piping vavuum method: to use vacuum pump Liquid stop valve Gas stop valve 1. Detach the service port's cap of gas stop valve, the valve rod's cap for liquid stop valve and gas stop valve, and connect the service port into the projection of charge hose (low) for gaugemanifold. Then connect the projection of charge hose (center) for gaugemanifold into vacuum pump. Gauge manifold(R410A) Vacuum pump(R410A) 2. Open the handle at low in gaugemanifold, and operate vacuum pump. If the scale-moves of gause (low) reach vacuum condition in a moment, check the step 1 again. 3. Vacuumize for over 15min. And check the level gauge which should read 0.1MPa (-76 cm Hg) at low pressure side. After the completion of vacuumizing, close the handle 'Lo' in the vacuum pump. Check the condition of the scale and hold it for 1-2min. If the scale-moves back in spite of tightening, make flaring work again, then return to the beginning of the step 3. 4. Open the valve rod for the liquid stop valve to an angle of anticlockwise 90 degree. After 6 seconds, close the liquid stop valve and make the inspection of gas leakge. Open Close Liquid stop valve 90 Gas stop valve Service port 90 for 6 sec. 5. No gas leakage? In case of gas leakage, tighten parts of pipe connection. If leakage stops, then proceed the step 6. If it does not stop gas leakage, discharge whole refrigerants from the service port. After flaring work again and vacuumize, fill up prescribed refrigerant from the gas cylinder. 6. Detach the charge hose from the service port, open liquid stop valve and gas stop valve. Turn the valve rod anticlockwise until hitting lightly. 7. To prevent the gas leakage, turn the service ports cap, the valve rodis cap for liquid stop valve and gas stop valve a little more than the point where the torque increases suddenly. Liquid stop valve Gas stop valve Valve rod cap Valve rod cap Service port cap CAUTION: If the refrigerant of the air conditioner leaks, it is necessary to make all the refrigerant out. Vacuumize first, then charge the liquid refrigerant into air conditioner according to the amount marked on the nameplate. 70 Installation Procedure Electrical Wiring WARNING! DANGER OF BODILY INJURY OR DEATH TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS. Precautions for Electrical wiring Electrical wiring work should be conducted only by authorized personnel. Do not connect more than three wires to the terminal block. Always use round type crimped terminal lugs with insulated grip on the ends of the wires. Use copper conductor only. Selection of size of power supply and interconnecting wires Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with less than 2% voltage drop.) Phase Switch breaker (A) Overcurrent protector rated capacity (A) Power source wire size (minimum) (mm2) 24K 1 40 26 6.0 40 30 28K 36K 48K(1 phase) 1 40 30 6.0 40 30 3 30 20 4.0 30 30 Item Model 48K(3 phase) 60K Circuit breaker Earth leakage breaker Switch breaker(A) Leak current(mA) If the supply cord is damaged, it must be replaced by the manufacturer or itsservice agent or a similar qualified person. If the fuse of control box is broken, please change it with the type of T25A/450VAC; If the fuse of control PC board is broken, please change it with the type of T3.15A/250VAC. But for 28K,36K,48K(1 phase),48K(3 phase),60K, the type is T6.3A/250VAC. The wiring method should be in line with the local wiring standard. The power cable and connecting cable should be self-provided. All the cables shall have got the European authentication certificate. During installation, when the connecting cables break off, it must be assured that the grouding wire is the last one to be broken off. The breaker of the air conditioner should be all-pole switch; and the distance between its two contacts should not be no less than 3mm. Such means for disconnection must be incorporation in the fixed wiring. The distance between its two terminal blocks of indoor unit and outdoor unit should not be over 5m. If exceeded, the diameter of the wire should be enlarged according to the local wiring standard. A leakage breaker must be installed. The specification of power cable For models 28K,36K,48K(1 phase), the power cable should be H05RN-F 3G 6.0mm2. For models 48K(3 phase), 60K,the power cable should be H07RN-F 5G 4.0mm2. 71 Installation Procedure Electrical Wiring Wiring procedure 1) Remove set screws on the side before taking off the front panel toward the direction. 2) Connect wires to the terminal block correctly and fix the wires with a wire clamp equipped nearby the terminal block. 3) Route the wires in a proper way and penetrate the wires through the opening for electrical wiring on the side panel. WARNING: INTERCONNECTING WIRES MUST BE WIRED ACCORDING TO FIGURE BELOW. INCORRECT WIRING MAY CAUSE EQUIPMENT DAMAGE. 24K 28K 36K 48K(1 phase) To indoor unit L N 1 2 3 Y/G Power supply :1PH,220-230V~,50/60Hz Outdoor unit terminal block 48K(3 phase) 60K Indoor unit terminal block Outdoor unit R S terminal block T N 1 2 3 Y/G 1 2 3 Y/G Power supply:380-400V, 3N~,50/60Hz 72 Cassette D_cdS]]Sd[`_ Ib`UWVebW 1 =@AHJ@ DGKL<EE<LDHG -4[Zm` PU_OM^P MZe MOOQ__[^UQ_ aZ`UX O[Y\/ 4Q`Q^YUZQ `TQ cMe `[ OM^^e aZU` `[ UZ_`MXXM`U[Z \XMOQt 4[Zm` ^QY[bQ \MOWUZS aZ`UX aZU` ^QMOTQ_ UZ_`MXXM`U[Z \XMOQt 9R aZ\MOWUZS U_ aZWMb[UPMNXQr \^[`QO` aZU` \^[\Q^Xet 2 K@E@>LDHG HA DGKL<EE<LDHG IE<>@ nwo 9Z_`MXXM`U[Z \XMOQ _TMXX YQQ` `TQ R[XX[cUZS MZP MS^QQP Ne Oa_`[YQ^_+ @XMOQ cTQ^Q \^[\Q^ MU^ RX[c OMZ NQ QZ_a^QPt >[ NX[OW `[ MU^ RX[ct GM`Q^ P^MUZMSQ U_ _Y\[`Tt @XMOQ _`^[ZS QZ[aST `[ _a\\[^` aZU` cQUST`t @XMOQ cTQ^Q UZOXUZM`U[Z U_ Z[` QbUPQZ` [Z OQUXUZSt 5Z[aST _\MOQ R[^ YMUZQZMZOQt 9ZP[[^ MZP [a`P[[^ aZU` \U\UZS XQZS`T U_ cU`TUZ XUYU`t nBQRQ^ `[ 9Z_`MXXM`U[Z =MZaMX R[^ [a`P[[^ aZU`to 9ZP[[^ MZP [a`P[[^ aZU`r \[cQ^ OMNXQr UZ`Q^ aZU` OMNXQ M^Q M` XQM_` w Y McMe R^[YDtFt ^MP[\t DTU_ U_ TQX\RaX `[ Mb[UP \UO`a^Q PU_`a^NMZOQ MZP Z[U_Qt n5bQZ UR w Y U_WQ\`r Z[U_Q OMZ _`UXX M\\QM^ UR ^MPU[ cMbQ U_ _`^[ZSo nxo 3QUXUZS TQUST` 9ZP[[^ aZU` OMZ NQ UZ_`MXXQP [Z OQUXUZS [R xt{syY UZ TQUST`t nBQRQ^ `[ 6[QXP _Q``UZS MZP 9Z_`MXXM`U[Z =MZaMX [R [^ZMYQZ` \MZQXto nyo 9Z_`MXX _a_\QZPUZS N[X`t 3TQOW UR `TQ UZ_`MXXM`U[Z \XMOQ U_ _`^[ZS QZ[aST `[ T[XP cQUST`t DMWQ ZQOQ__M^e YQM_a^Q_ UZ OM_Q U` U_ Z[` _MRQt n4U_`MZOQ NQ`cQQZ T[XQ_ M^Q YM^WQP [Z \M\Q^ \M``Q^Zt BQRQ^ `[ \M\Q^ \M``Q^Z R[^ \XMOQ ZQQP NQ ^QUZR[^OQPo 9Z_`MXXM`U[Z _\MOQ ywv xz; 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After the installation please be sure of the Decide the mounting position with the customer as following conditions. follows: WARNING: (1) Install the indoor unit level on a strong wall, floor, ceiling Please call dealer to install the air-conditioner. which is not subject to vibration. Incorrect installation may cause water leaking, shock and (2) The inlet and outlet ports should not be obstructed.The fire hazard. air should be able to blow all over the room. (3) Install the unit near an electric outlet or special branch CAUTION: circuit. Air-conditioner can't be installed in the environment (4) Do not install the unit where it will be exposed to direct with inflammable gases because the inflammable gases sunlight. near air-conditioner may cause fire hazard. (5) Install the unit where connection to the outdoor unit is Installed electrical-leaking circuit breaker. easy. It easily cause electrical shock without circuit breaker. (6) Install the unit where the drain pipe can be easily installed. Connect earthing wire. (7) Take servicing etc. into consideration and leave the Earthing wire should not be connected to the gas pipe, water spaces shown in the figure below. Also install the unit where pipe, lightning rod or phone line, incorrect earthing may the filter can be removed. cause shock. Use discharge pipe correctly to ensure efficient WARNING: discharge. Install at a place that can withstand the weight of the indoor and Incorrect pipe use may cause water leaking. outdoor units and install positively so that the units will not topple Earthing or fall. Wiring Air-conditioner should be equipped with special power supply CAUTION: wire. (1)Do not install where there is the danger of combustible gas Location leakage. (2)Do not install near heat sources. (3)If children under 10 years old may approach the unit, take preventive measures so that they cannot reach the unit. Air-conditioner should be located in well-vented and easily accessible place. Air-conditioner should not be located in the following places: (1) Places with machine oils or other oil vapours. (2) Seaside with high salt content in the air. (3) Near hot spring with high content of sulfide gases. (4) Area with frequent fluctuation of voltage e.g. factory, etc. (5) In vehicles or ships. (6) Kitchen with heavy oil vapour or humidity. (7) Near the machine emitting electric-magnetic waves. (8) Places with acid, alkali vapour. Choose the following locations: (1) Capable of supporting air conditioner weight, don't increase operating noise and vibration. (2) Hot vapour from outdoor unit outlet and operating noise don't disturb neighbour. (3) No obstacles around the outdoor unit outlet. TV, radio, acoustic appliances etc. are at least 1 m far away from the indoor unit, outdoor unit, power supply wire, connecting wire, pipes, otherwise images may be disturbed or noises be created. As required, take measures against heavy snow. Under ceiling Left 30 cm or more Floor console Ceiling Drain hose Saddle (L.S) with screws Piping hole cover Heat insulation material Left 30 cm or more 2 cm or more Outdoor unit Plastic clamp Putty Indoor unit 79 1.5m 1.5m INSTALLATION PARTS The following installation parts are optional parts. Use them as required. Optional parts Adhesive tape may be difference Right Indoor unit Right 1.5m 30 cm or more Installation Procedure PREPARING INDOOR UNIT INSTALLATION Remove the intake grill Open the intake grill and remove the three or four or six screws. Note: The main unit can be wired before the indoor unit is installed. Select the most appropriate installation order. Intake grill Fig. 1 A.FLOOR CONSOLE TYPE 1.Drilling for piping Select piping and drain directions. The piping and drain can be made in three directions as shown in the Fig.1. rear right down The drain hose can be connected to either the left or right side. (Fig.2) Fig. 2 Drain hose (Left side) When the directions are selected, drill a 7 cm dia. hole on the wall so that the hole is tilted downward toward the outdoor for smooth water flow. When the pipe is led out from the rear, make a hole at the position shown in Fig.3. Drain hose (Right side) Fig. 3 Wall 6mm 7cm Indoor unit When installing set to wall, install the accessory wall bracket at the position shown in Fig. 4, and mount the set to it. outdoor unit Fig. 4 99cm 50cm 24.5cm Wall bracket 7cm hole 3.5cm hole 12.5cm 2. Installing drain hose Select whether the drain hose will be connected to the left or right side (Fig.2). Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener (Fig.5). Fig. 5 6.5cm 53cm 4.5cm 65.5cm Side of set 6.5cm 10cm Drain pan Nylon fastener Drain hose Wrap the insulation (drain hose) around the drain hose connection. (Fig.6) Fig. 6 Drain pan Drain hose 80 Insulation (Drain hose) Installation Procedure Be sure to arrange the drain hose correctly so that it is leveled lower than the drain hose connecting port of the indoor unit. (Fig.7) NO OK Fig.7 Arrange the drain hose lower than this portion. CAUTION: Do not install the unit drain hose side is too high. Height A should be less than 5 mm.(Fig.8) NO Drain hose Fig.8 Drain hose A B. UNDER CEILING TYPE Using the installation template, drill holes for piping and anchor bolts(for holes).(Fig.9) Fig.9 A 900m Drilling position for anchor bolt Installation template 200m Ceilling Wall Drilling position for piping 1.Drilling for piping Select piping and drain directions. (Fig.10) Fig. 10 Rear (Install the drain hose in the direction.) CAUTION: Install the drain hose at the rear. It should not be installed on the top or right side. Right When the directions are selected, drill 80mm and 50mm or 150mm dia. hole on the wall so that the hole is tilted downward toward the outdoor for smooth water flow. (Fig.11) Fig.11 Wall 2.Drilling holes for anchor bolts and installing the anchor bolts With a concrete drill, drill four 12.7 mm dia. Holes. (Fig.12) Fig.12 60 to 70mm 6mm 12.7mm Insert the anchor bolts into the drilled holes, and drive the pins completely into the anchor bolts with a hammer. (Fig.13) Fig.13 81 Installation Procedure 3. Installing brackets Fig.14A Install the brackets with nuts, washers and spring washers. (Fig.14) Fig.14B Bracket (Left) Spring washer Special nut 4. Installing indoor unit Bracket Fig.15 Reset the hex bolts as shown in Fig.15. Hex bolt 8 to 13mm Indoor unit Apply the indoor unit to the brackets. (Fig.16) Now, securely tighten the hex bolts in both sides. Bracket (Right) Fig.16 Bolt Bracket Indoor unit 5. Installing the drain hose Select whether the drain hose will be connected to the left or right side.(Fig.2) Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener.(Fig.5) Wrap the insulation (drain hose) around the drain hose connection. (Fig.6) Be sure to arrange the drain hose correctly so that it is leveled lower than the drain hose connecting port of the indoor unit. (Fig.17) Fig.17 Remove the hole cover. Arrange the drain hose lower than this portion Drain hose NO OK When drain hose is arranged backward. Secure the drain hose with the VT wire. (Fig.18) Fig.18 Piping hole VT wire hole VT wire Base (Bottom) Intake grill Pass the drain hose through here Drain hose Cut the grill 82 Installation Procedure CONNECTING THE PIPING Table 1 1. Flare processing (1) Cut the connection pipe with pipe cutters so that the pipe is not deformed. (2) Holding the pipe downward so that cuttings cannot enter the pipe, remove the burrs. (3) Remove the flare nut from the indoor unit pipe and outdoor unit and assemble as shown in Table1 and insert the flare nut onto the pipe, and flare with a flaring tool. (4) Check if the flared part "L" (Fig.1) is spread uniformly and that there are no cracks. Model 12K 18K 24K Diameter of pipe Pipe Liquid pipe 6.35mm (1/4") Gas pipe 9.52mm (3/8") Liquid pipe 6.35mm (1/4") Gas pipe 12.7mm (1/2") Liquid pipe 9.52mm (3/8") Gas pipe 15.88mm (5/8") Pipe Small pipe Flare nut Small (width across flats 22mm) Large pipe Large (width across flats 24mm) Fig.1 Width across flats L dimension L Dimension A (mm) A 1.0~1.2 1.0~1.2 Pipe expander 1.4~2.2 2. Bending pipes The pipes are shaped by your hands. Be careful not to collapse them. NO OK Extend the pipe by unwinding it ELECTRICAL WIRING Connect wiring to the terminal blocks A. For solid core wiring (or F-cable) (Fig.A) (1) Cut the wire with a wire cutter or wire-cutting pliers, then strip the insulation to about 25mm of the exposed solid wire. (2) Using a screwdriver, remove the terminal screw(s) on the terminal board. (3) Using pliers, bend the solid wire to form a loop suitable for the terminal screw. (4) Shape the loop wire properly, place it on the terminal board and tighten securely with the terminal screw using a screw driver. B. For strand wiring (Fig.B) (1) Cut the wire with a wire cutter or wire-cutting pliers, then strip the insulation to about 10mm of the exposed strand wiring. (2) Using a screwdriver, remove the terminal screw(s) on the terminal board. (3) Using a round terminal fastener or pliers, securely clamp a round terminal to each stripped wire end. (4) Position the round terminal wire, and replace and tighten the terminal screw using a screw driver. Loop Insulation Screw with special washer B. Strand wire Strip 10mm Strip 25mm A. Solid wire Round terminal Round terminal Terminal board Screw with special washer Round terminal Wire Wire Insulation tube Cord clamp Fix connection cord and power cable at the cord clamp After passing the connection cord and power cable through the insulation tube, fasten it with the cord clamp, as shown right. Use VW-1, 0.5 to 1.0 mm thick, PVC tube as the insulation tube. 83 Installation Procedure CAUTION: Match the terminal block numbers and connection cord colors with those of the outdoor unit. Erroneous wiring may cause burning of the electric parts. Connect the connection cords firmly to the terminal block. Imperfect installation may cause a fire. Always fasten the outside covering of the connection cord with the cord clamp.(If the insulator is chafed, electric leakage may occur.) Always connect the ground wire. Wiring of indoor unit (1) Remove the electrical component box. Electrical component box CAUTION: Do not remove the screws. If the screws are removed, the electrical component box will fall. Electrical component box Remove the four tapping screws. (2) Pull out the electrical component box. (3) Remove the electrical component box cover. CAUTION: Be careful not to pinch the lead wires between the electrical component box and base. Electrical component box Base Remove the three tapping screws. (4) Wiring 1.Remove the cord clamp. 2.Process the end of the connection cords to the dimensions shown in the right figure. 3.Connect the end of the connection cord fully into the terminal block. 4.Fasten the connection cord with a cord clamp. 5.Fasten the end of the connection cord with the screw. Indoor unit terminal block Outdoor unit terminal block Electrical component box cover 1 2 3 Y/G 1(N) 2(L) 3(C) Y/G WARNING: (1) Always use a special branch circuit and install a special receptacle to supply power to the room air conditioner. (2) Use a circuit breaker and receptacle matched to the capacity of the room air conditioner. (3) The circuit breaker is installed in the permanent wiring. Always use a circuit that can trip all the poles of the wiring and has an isolation distance of at least 3mm between the contacts of each pole. (4) Perform wiring work in accordance with standards so that the room air conditioner can be operated safely and positively. (5) Install a leakage circuit breaker in accordance with the related laws and regulations and electric company standards. CAUTION: (1) The power source capacity must be the sum of the room air conditioner current and the current of other electrical appliances. When the current contracted capacity is insufficient, change the contracted capacity. (2) When the voltage is too low and the air conditioner is difficult to start, contact the power company the voltage raised. (3) The Unit has default temperature compensation setting,pls. cancel it when floor standing installation. 84 Installation Procedure MOUNT THE COVER PLATE AND THE INTAKE GRILL 1.Mount the cover plate (right) (1) Cut a pipe exit hole in the right plate. This is only when the pipe exits from the right side. This operation is not required when the protrusion is on the top or rear. (2) Insert the hinges on the bottom of the intake grill into the holes in the base assembly. Then mount the arms to the three areas on the top of the intake grill. Cover plate (right) (2) Join the cover plate (right) and mount with screws. 31 3. Mount the intake grill. (1) Cut the right side of the intake grill. This is only when the pipe exits from the right side 2. Mount the cover plate (left) Join the cover plate (left) and mount with screws. Test Run Check items 1. Indoor unit Is operation of each button on the remote control unit normal? Does each lamp light normally? Do not air flow direction louvers operate normally? Is the drain normal? 2. Outdoor unit Is there any abnormal noise and vibration during operation? Will noise, wind or drain water from the unit disturb the neighbors? Is there any gas leakage? Customer guidance Explain the following to the customer in accordance with the operating manual: (1) Starting and stopping method, operation switching, temperature adjustment, timer, air flow switching and other remote control unit operations. (2) Air filter removal and cleaning, and how to use air louvers. (3) Give the operation and installation manuals to the customer. 85 Covertable type(28K/36K/48K/60K)Installation Procedure SELECTING THE MOUNTING POSITION WARNING Install at a place that can withstand the weight of the indoor unit and install it positively so that the unit will not topple or fall. CAUTION Do not install the unit where there is the danger of combustible gas leakage. Do not install near heat sources. If children under 10 years old may approach the unit, take preventive measures so that they cannot reach the unit. Decide the mounting position with the customer as follows. (1) Install the indoor unit level on a strong wall which is not subject to vibration. (2) The inlet and outlet ports should not be obstructed, and the air should be able to blow all over the room. (3) Do not install the unit where it will be exposed to direct sunlight (4) Install the unit where connection to the outdoor unit is easy. (5) Install the unit where the drain pipe can be easily installed. (6) Take servicing, etc. into consideration and leave the spaces shown in "Maintenace space dimension" . (7) Install the unit where the filter can be removed ACCESSORIES FOR INSTALLATION The following installation parts are optional parts. Use them as required. Optional parts Adhesive tape Saddle (L.S) with screws Drain hose Heat insulation material Piping hole cover Putty Plastic clamp MAINTENANCE SPACE DIMENSION For ceiling installation Ceiling INDOOR UNIT >3"(80mm) >0.4"(10mm) >6"(150mm) For half concealed installation Ceiling panel Ceiling panel INDOOR UNIT >3"(80mm) >6"(150mm) >0.4"(10mm) 86 Installation Procedure INSTALLING THE INDOOR UNIT Connection pipe requirement Maximum length Maximum height (between indoor and outdoor) 15.88mm 30 m 20m 19.05mm 50 m 30 m Liquid side Diameter Gas side 28K 36K 9.52 mm 48K 60K 9.52 mm Model Install the room air conditioner as follows 1. Remove the intake grill and side cover (1) Remove the Air filters (2) Remove the intake grilles (3) Remove the Side cover (Right and left side) (4) This air conditioner can be set up to intake fresh air. The information about how to install for fresh-air intake, refer to "Fresh air intake". Air filter Intake grille Side cover A (Right side) Side cover A (Left side) 2. Location of ceiling supension bolts 30mm 30mm Dimensions (Space Required for installation) Suspension bolt pitch 1530mm 10mm 155mm 300mm INDOOR UNIT (TOP VIEW) Suspension bolt should extend outward 30 to 50mm. For half-concealed installation Supension-bolt pitch should be as shown below 40mm Ceiling Opening:1530mm 40mm Ceiling panel Ceiling Opening 640mm Suspension bolt should extend outward 30 to 50mm. 15mm Ceiling panel 87 Installation Procedure 3. Drilling the holes and attaching the suspension bolts (1) Drill 25mm holes at the suspension-bolt locations. The two special nuts are provided with the unit. The M10 nut must be obtained locally. (2) Install the bolts, then temporarily attach Special nuts A and B and a normal M10 nut to each bolt. Bolt strength: 980 to 1470 N (100 TO 150 kgf) Special nut A (included) Ceiling panel 10 to 15 mm Special nut B (included) M10 nut (Obtained locally) If using anchor bolts (1) Drill holes for anchor bolts at the locations at which you will set the suspension bolts. Note that anchor bolts must be obtained locally. (2) Install the anchor bolts, then temporarily attach special nut "B" (included) and a locally-procured M10 nut to each of the bolts. Anchor-bolt strength: 980 to 1470 N (100 TO 150 kgf) Special nut B(included) M10 Nut (Obtaied locally) M10 Nut (Obtaied locally) 10 to 15 mm 4.Installing the indoor unit Ceiling Ceiling panel (1) Lift unit so that suspension bolts pass through suspension fittings at the sides (four places),and slide the unit back. (2) Fasten the indoor unit into place by tightening-up the special "B" bolts and the M10 nuts. Make sure that unit is secure and will not shift back and forth. Wall Wall For half-concealed installation When installing the indoor unit in a semi-concealed orientation, make sure to reinforce the insulation of the unit on all sides. Drops of water may fall from the unit if it is not thoroughly insulated. Glass wool insulate (10 to 20mm thick ) Indoor unit (Top view) CAUTION In order to check the drainage, be sure to use a level during installation of the indoor unit. If the installation site of the indoor unit is not level, water leakage may occur. Wall Ceiling panel 5.Installing the coupler heat insulation After checking for gas leaks, insulate by wrapping insulation around the two parts (large and small) of the indoor unit coupling, using the coupler heat insulation. After installling the coupler heat insulation, wrap both ends with vinyl tape so that there is no gap. Secure both ends of the heat insulation material using nylon fasteners. Coupler heat insulation(large) Nylon fastener (large) No gap Coupler pipe (large) Indoor unit Coupler pipe (small) Indoor unit Coupler heat insulation Coupler heat insulation(small) Nylon fastener (small) When using an auxiliary pipe, make sure that the fastener used is insulated in the same way. Note: When installing the unit on the floor, fix the four rubber base feet in the accessories on the bottom plate of the unit with A four 4x16 screws and 4 flat washers, as the position in the figure. 4:1 A rubber base foot 4x16 screw The bottom plate of the unit. flat washer 88 Installation Procedure INSTALLING THE DRAIN HOSE Install the drain pipe with downward gradient (1/50 to 1/100) and so there are no rises or traps in the pipe. Use general hard polyvinyl chloride pipe (VP25) (outside diameter 38 mm) During installation of the drain pipe, be careful to avoid applying pressure to the drain point of the unit. When the pipe is long, install supporters. Do not perform air bleeding. Always heat insulate (8mm or over thick) the indoor side of the drain pipe. BAD GOOD Supporter BAD 5 to 6.5 ft (1.5 to 2m) (1) Install insulation for the drain pipe Cut the included insulation material to an appropriate size and adhere it to the pipe. Drain pipe insulation Drain pipe Insulation for Drain pipe (To be obtained locally. Length should be at least 8mm.) Indoor unit (drain port) Indoor unit Drain pipe insulation (accessories) Drain pipe No gap 10mm or over Cable VT (2) When drain pipe is put in the right rear position Fasten the drain pipe with cable VT so that there is a proper slope for drain pipe to exit from the indoor unit. drain pipe Indoor unit (Rear view) 89 Installation Procedure ELECTRICAL WIRING Connect wiring to the terminals A.For solid core wiring (or F-cable) (1) Cut the wire end with a wire cutter or wire-cutting pliers, then strip the insulation to about 15/16"(25mm) to expose the solid wire. (2) Using a screwdriver, remove the terminal screw(s) on the terminal board. (3) Using pliers, bend the solid wire to form a loop suitable for the terminal screw. (4) Shape the loop wire properly, place it on the terminal board and tighthen securely with the terminal screw using a screwdriver. B.For strand wiring (1) Cut the wire end with a wire cutter or wire-cutting pliers, then strip the insulation to about 3/8"(10mm) to expose the solid wire. (2) Using a screwdriver, remove the terminal screw(s) on the terminal board. (3) Using a round terminal fastener or pliers, securely clamp a round terminal to each stripped wire end. (4) Position the round terminal wire, and replace and tighten the terminal screw using a screwdriver. B. Strand wire Loop Insulation Screw with special washer Round terminal Strip 3/8"(10mm) Strip 15/16"(25mm) A. Solid wire Screw with special washer Round terminal Round terminal Terminal board Wire Wire Insulation tube Fix connection cord and power cable at the cord clamp After passing the connection cord and power cable through the insulation tube, fasten it with the cord clamp. Use VW-1, 0.5 to 1.0 mm thick, PVC tube as the insulation tube. Cord clamp Electrical requirement Select wire sizes and circuit protection from table below. (This table shows 20m length wires with less than 2% voltage drop). Phase Switch breaker (A) Overcurrent protector rated capacity (A) Power source wire size (minimum) (mm2) 28K 36K 1 40 30 6.0 40 30 48K 60K 1 30 20 4.0 10 30 Item Model Circuit breaker Earth leakage breaker Switch breaker(A) Leak current(mA) CAUTION Match the terminal block numbers and connection cord colors with those of the outdoor unit. Erroneous wiring may cause burning the electric parts. Connect the connection cords firmly to the terminal block. Imperfect installation may cause a fire. Always fasten the outside covering of the connection cord with the cord clamp. If the insulator is chafed, electric leakage may occur. Always connect the ground wire. The Unit has default temperature compensation setting, please cancel it when floor standing installation. Connect indoor unit and outdoor unit (1) Remove the cord clamp. (2) Process the end of the connection cords to the dimensions shown in wiring diagram. (3) Connect the end of the connection cord fully into the terminal block. (4) Fasten the connection cord with a cord clamp. (5) Fasten the end of the connection cord with the screw. 90 Installation Procedure Wiring diagram 28K 36K 48K 60K Indoor unit terminal block Outdoor unit terminal block L N 1 2 3 Indoor unit terminal block Y/G 1 2 Y/G Outdoor unit terminal block 3 Y/G R S T N 1 2 3 Y/G 1 2 3 Y/G Power supply 1PH, 220-230V~, 50/60Hz Power supply 380-400V, 3N~, 50/60Hz WARNING The power cable and connecting cable are self-provided. Always use a special branch circuit and install a special receptacle to supply power to the room air conditioner. Use a circuit breaker and receptacle matched to the capacity of the room air conditioner. The circuit breaker is installed in the permanent wiring. Always use a circuit that can trip all the poles of the wiring and has an isolation distance of at least 3mm between the contacts of each pole. Perform wiring work in accordance with standards so that the room air conditioner can be operated safely and positively. Install a leakage circuit breaker in accordance with the related laws and regulations and electric company standards. CAUTION The power source capacity must be the sum of the room air conditioner current and the current of other electrical appliances. When the current contracted capacity is insufficient, change the contracted capacity. When the voltage is low and the air conditioner is difficult to start, contact the power company the voltage raised. For half-concealed FRESH AIR INTAKE 1. Open up the knockout hole for the fresh air intake. If using half-concealed installation, open up the top knockout hole instead. CAUTION When removing the cabinet (iron plate), be careful not to damage the indoor unit internal parts and surrounding area (outer case). When processing the cabinet (iron plate), be careful not to injury yourself with burrs,etc. 2. Fasten the round flange (optional) to the fresh air intake. If using halfconcealed installation, attach to the top. Round duct (option part) 3. Connect the duct to the round flange. 4. Seal with a band and vinyl tape,etc. so that air does not leak from the connection. Duct 91 Test Run Check items 1. Indoor unit Is operation of each button on the remote control unit normal? Does each lamp light normally? Do not air flow direction louvers operate normally? Is the drain normal? 2. Outdoor unit Is there any abnormal noise and vibration during operation? Will noise, wind, or drain water from the unit disturb the neighbors? Is there any gas leakage? Customer guidance Explain the following to the customer in accordance with the operation manual: (1) Starting and stopping method, operation switching, temperature adjustment, timer, air flow switching, and other remote control unit operations. (2) Air filter removal and cleaning, and how to use air louvers. (3) Give the operation and installation manuals to the customer. 92 Low ESP DUCT Installation Procedure Indoor Unit Selecting the mounting position to install the indoor units Select suitable places where the outlet air can be sent to the entire room, and convenient to lay out the connection pipe, connection wire and the drainage pipe to outdoor. The ceiling structure must be strong enough to support the unit weight. The connecting pipe, drain pipe and connection wire shall be able to go though the building wall to connect between the indoor and outdoor units. The connecting pipe between the indoor and outdoor units as well as the drain pipe shall be as short as possible. If it is necessary to adjust the filling amount of the refrigerant, please refer to the installation manual attached with the outdoor unit. The connecting flange should be provided by the user himself. The indoor unit has two water outlets one of which is obstructed at the factory (with a rubber cap). Only the outlet not obstructed (liquid inlet and outlet side) will be generally used during installation. If applicable, both the outlets should be used together. An access port must be provided during installation of indoor unit for maintenance. After selecting the unit installation location, proceed the following steps: 1. Drill a hole in the wall and insert the connecting pipe and wire through a PVC wall-through tube purchased locally. The wall hole shall be with a outward down slope of at least 1/100. 2. Before drilling check that there is no pipe or reinforcing bar just behind the drilling position. Drilling shall avoid at positions with electric wire or pipe. 3. Mount the unit on a strong and horizontal building roof. If the base is not firm, it will cause noise, vibration or leakage. 4. Support the unit firmly. 5. Change the form of the connection pipe, connection wire and drain pipe so that they can go through the wall hole easily. Installation dimension 12K 18K 24K D C A B I E G H F Unit model A B C 12K 420 892 370 18K 24K 420 1212 370 D E F 850 185 640 1170 185 960 G H I 85 760 152 85 1080 152 Installation Procedure Indoor unit dimensions(unit:mm) Air Duct Each of the air sending duct and air return duct shall be fixed on the prefabricated panel of the floor by the iron bracket. The recommended distance between the edge of the air return duct and the wall is over 150mm. The gradient of the condensate water pipe shall keep over 1%. The condensate water pipe shall be thermal insulated. When installing the ceiling Concealed type indoor unit, the air return duct must be designed and installed as figure shown. 93 Installation Procedure Air Duct Building roof of installation Return air box Air outlet grille 0.5m (use white motor plug) 2.0m (use red motor plug) A Air supply Ceiling Unit There should be no obstacles within 1m Return air box Unit Return air Return air Air supply Note: When connecting the short ducts, use the low static terminals, which color is white. The distance L from the air outlet of the duct to the air outlet of the air conditioner shall be no more than 0.5 m. When connecting the long ducts, use the middle static terminals, which color is red. The distance L from the air outlet of the duct to the air outlet of the air conditioner shall be no more than 2.0 m. The sketch map of long duct M8 wide expansion bolt Drain pipe Air return duct Air return blind Air conditioner M8 suspender screw Suspending hook M8 wide lock washer Air out duct Transition duct Tie-in of air Air distributary distributary M8 screw nut 1. Installation of air sending duct This unit uses rounded duct, the diameter of the duct is 180mm. The rounded duct needs to add a transition duct to connect with the air-sending duct of indoor unit, then connect with respective separator. As Figure shown, all the fan speed of any of the separator's air outlet shall be adjusted approximately the same to meet the requirement for the room air conditioner. 2. Installation of air return duct Indoor unit Soft connection Transition duct Rounded duct or static box Air distributary Air return blind Air return duct Indoor unit Use rivet to connect the air return duct on the air return inlet of the indoor unit, then connect the other end with the air return blind as Figure shown. rivet 3.Thermal insulation of duct Air-sending duct and air return duct shall be thermally insulated. First stick the gluey nail on the duct, then attach the heat preservation cotton with a layer of tinfoil paper and use the gluey nail cap to fix. Finally use the tinfoil adhesive tape to seal the connected part. As Figure shown. Tie-in of air distributary gluey nail heat preservation cotton tinfoil gluey nail cap adhesive tape 94 Installation Procedure Air Duct Installing the suspension screw Use M8 or M10 suspension screws (4, prepared in the field) (when the suspension screw height exceeds 0.9m, M10 size is the only choice). These screws shall be installed as follows with space adapting to air conditioner overall dimensions according to the original building structures. Wooden structure A square wood shall be supported by the beams and then set the suspension screws. New concrete slab To set with embedded parts, foundation bolts etc. Square wood Suspension screw Iron reinforcement Beam Foundation bolt Knife embedded part Guide plate embedded part Pipe suspension foundation bolt Original concrete slad Use hole hinge, hole plunger or hole bolt. Steel reinforcement structure Use steel angle or new support steel angle directly. Hanging bolt Suspension screw Support steel angle Hanging of the indoor unit Fasten the nut on the suspension screw and then hang the suspension screw in the T slot of the suspension part of the unit. Aided with a level meter, adjust level of the unit within 5mm Installation Procedure Refrigerant Pipe CAUTION Pipe size (unit :mm) In installation, if there is refrigerant gas leakage, please take ventilation measures immediately. The refrigerant gas will generate poisonous gas upon contacting fire. After installation, please verify that there is no refrigerant leakage. The leaked refrigerant gas will produce poisonous gas when meeting fire source such as heater and furnace etc. Model Pipe material Phosphorus deoxidized copper seamless pipe (TP2M) for air conditioner. Gas side Liquid side 12K 9.52 6.35 18K 12.7 6.35 24K 15.88 9.52 Allowable pipe length and drop These parameters differ according to the outdoor unit. See the instruction manual attached with the outdoor unit for details. Supplementary refrigerant The refrigerant supplementation shall be as specified in the installation instructions attached with the outdoor unit. The adding procedure shall be aided with a measuring meter for a specified amount of supplemented refrigerant. Note: Overfilling or underfilling of refrigerant will cause compressor fault. The amount of the added refrigerant shall be as specified in the instructions. Connecting pipe Installing torque O.D.(mm) (N-m) Connection of refrigerant pipe Conduct flared connection work to connect all refrigerant pipes. 6.35 11.8 (1.2kgf-m) The connection of indoor unit pipes must use double spanners. The installing torque shall be as given in the following table. Wall thicknessof connection pipe 0.8mm 9.52 24.5 (2.5 kgf-m) 12.7 49.0 (5.0 kgf-m) Double-spanner operation 15.88 78.4 (8.0 kgf-m) Creating vacuum With a vacuum pump, create vacuum from the stop valve of the outdoor unit. Emptying with refrigerant sealed in the outdoor unit is absolutely forbidden. 95 Installation Procedure Refrigerant Pipe Open all valves Open all the valves on the outdoor unit. Gas leakage detection Check with a leakage detector or soap water if there is gas leakage at the pipe connections and bonnets. Insulation treatment Conduct insulation treatment on both the gas side and liquid side of pipes respectively. During cooling operation, both the liquid and gas sides are cold and thus shall be insulated so as to avoid dew generation. The insulating material at gas side shall be resistant to a temperature Indoor unit above 120 C The indoor unit pipe connection part shall be insulated. The notch upward(Attached detail view) Field piping side Subsidiary insulation tube Installation Procedure Drain Pipe CAUTION In order to drain water normally, the drain pipe shall be processed as specified in the installation manual and shall be thermal insulated to avoid dew generation. Improper hose connection may cause indoor water leakage. Requirements 1.5m~2m Support The indoor drain pipe shall be thermal insulated. The connection part between the drain pipe and the indoor unit shall be insulated so as to prevent Down slope above 1/100 dew generation. S type elbow Insulation (supplied by the user) The drain pipe shall be slant downwards (greater than 1/100). The middle part shall not be of S type elbow, otherwise abnormal sound will be produced. To the largest (app. 10cm) The horizontal length of the drain pipe shall be less than 20 m. In case of long pipe, supports shall be provided every 1.5 _ 2m to prevent wavy form. Central piping shall be laid out according to the right figure. VP30 Take care not to apply external force onto the drain pipe connection part. Down slope above 1/100 Wall Pipe and insulation material Pipe Rigid PVC pipe VP20 mm (internal diameter) Insulation Foamed PE with thickness above 7 mm Outside Slant Drain pipe (supplied by the user) Hose Drain pipe size: (3/4") PVC pipe The hose is used for adjusting the off-center and angle of the rigid PVC pipe. Directly stretch the hose to install without making any deformation. The soft end of the hose must be fastened with a hose clamp. Please apply the hose on horizontal part Insulation treatment. Wrap the hose and its clamp up to the indoor unit without any clearance with insulating material, as shown in the figure. Hose Subsidiary insulation Drain confirmation During trial run, check that there is no leakage at the pipe connection part during water draining even in winter. 96 Hose clamp Insulation Rigid PVC pipe Installation Procedure Electrical wiring WARNING DANGER OF BODILY INJURY OR DEATH TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS. Precautions for Electrical wiring Electrical wiring work should be conducted only by authorized personnel. Do not connect more than three wires to the terminal block. Always use round type crimped terminal lugs with insulated grip on the ends of the wires. Use copper conductor only. Wiring connection Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by terminals. Indoor unit terminal block Outdoor unit terminal block 97 1 2 3 Y/G 1(N) 2(L) 3(C) Y/G Med ESP DUCT Installation Procedure Indoor Unit NOTE All wiring of this installation must comply with NATIONAL, STATE AND LOCAL REGULATIONS. These instructions do not cover all variations for every kind of installation circumstance. Should further information be desired or should particular problems occur, the matter should be referred to your local distributor. WARNING BE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD CAUSE SERIOUS INJURY OR DEATH, EQUIPMENT MALFUNCTION AND/OR PROPERTY DAMAGE. Preparation of indoor unit Before or during the installation of the unit, assemble necessary optional panel etc. depending on the specific type. Select places for installation satisfying following conditions and at the same time obtain the consent on the part of your client user. a. Places where chilled or heated air circulates freely. When the installation height exceeds 3m warmed air stays close to the ceiling. In such cases, suggest your client users to install air circulators. b. Places where perfect drainage can be prepared and sufficient drainage. c. Places free from air disturbances to the suction port and blowout hole of the indoor unit, places where the fire alarm may not malfunction or short-circuit. d. Places with the environmental dew-point temperature is lower than 28 C and the relative humidity is less than 80 %. (When installing at a place under a high humidity environment, pay sufficient attention to the prevention of dewing such as thermal insulation of the unit. ) e. Ceiling height shall have the following height. Installation space 28K 36K 48K(Mid) 366mm 416mm 100mm 100mm 1000mm Combination with silent panel 24K(Mid) 50mm Obstacle Avoid installation and use at those places listed a. Places exposed to oil splashes or steam (e.g. kitchens and machine plants). Installation and use at such places incur deteriorations in the performance or corrosion with the heat exchanger or damage in molded synthetic resin parts. b. Places where corrosive gas (such as sulfurous acid gas) or inflammable gas (thinner, gasoline etc.) in generated or remains. Installation and use at such places cause corrosion in the heat exchanger and damage in molded synthetic resin parts. c. Places adjacent to equipment generating electromagnetic waves or high-frequency waves such as in hospitals. Generated noise may cause malfunctioning of the controller. Pipe size Model 24K(Mid) 28K 36K 48K(Mid) Liquid side 9.52mm Gas side 15.88mm 98 Installation Procedure Indoor Unit 1. Preparation for suspending the unit a.Size of hole at ceiling and position of hanging bolts B Ceiling hole size C Panel dimensions Model 300 30 Ceiling ~ panel wrap dimensions A Hanging bolt position 30 150 Hanging bolt position E Ceiling hole size F Panel dimensions D 75 Pipe connection side 70 <Combination with silent panel> Ceiling ~ panel wrap dimensions Dimensions A(mm) B(mm) C(mm) D(mm) E(mm) F(mm) 24K(Mid) 987 1437 1497 545 690 750 28K 36K 48K(Mid) 1172 1622 1682 480 625 685 b.Hanger bolts installation Use care of the piping direction when the unit is installed. Hole-in anchor Hole-in plug 2.Installation of indoor unit Fix the indoor unit to the hanger bolts. If required, it is possible to suspend the unit to the beam, etc. Directly by use of the bolts without using the hanger bolts. Insert Concrete Hanging bolt M10 Note When the dimensions of main unit and ceiling holes does not match, it can be adjusted with the slot holes of hanging bracket. Hanging bolt M10 washer M10 nut M10 spring washer Main unit Adjusting to the levelness (a) Adjust the out-of levelness using a level or by the following method. Make adjustment so that the relation between the lower surface of the unit proper and water level in the hose becomes as given below. (b) Unless the adjustment to the levelness is made properly, malfunctioning or failure of the float switch may occur. 99 Water level PVC hose Bring the piping side slightly lower. Red Yellow Red Black White Blue Red Moter side Red Yellow Blue Red Yellow Blue Moter side Blue High speed tap White White White White Connector white Standard tap (at shipping) Connector white 0~5 mm (0~0.2") Control box side Tap selection on blower unit (When the high performance filter is used.) Taps of blower unit are set at the standard selection at the shipping from factory. Where the static pressure is raised by employing such option as the high performance filter, etc., change the connection of connectors provided at the flank of control box as shown below. Piping side Supply water Installation Procedure Drain Pipe Drain Piping (a) Drain piping should always be in a downhill grade (1/50~1/100) and avoid riding across an elevation or making traps. Good piping Improper piping Suspension 1.5m ~ 2m bolts Avoid riding across an elevation Air vent Keep free from traps Do not pipe under water A downhill grade Heat of 1/100 or more insulation (b) When connecting the drain pipe to unit, pay suffcient attention not to apply excess force to the piping on the unit side. Also, fix the piping at a point as close as possible to the unit. Drain socket Drain socket (c) For drain pipe, use hard PVC general purpose pipe VP-25(I.D.1") which can be purchased locally. When connecting, insert a PVC pipe end securely into the drain socket before tightening securely using the attached drain hose and clamp. Adhesive must not be used for connection of the drain socket and drain hose (accessory). Main unit VP-25 joint Pipe cover(large) (field purchased) [for insulation] (accessory) Drain hose (accessory) Clamp (accessory) Adhesion Pipe cover(small) [for insulation] (accessory) (d) When constructing drain piping for several units, position the common pipe about 100 mm below the drain outlet of each unit as shown in the sketch. Use VP-30(11/4") or thicker pipe for this purpose. Stage difference Drain hose part VP-25 (field purchased) Pipe cover [for insulation] (field purchased) Secure the elevation as high as possible (approx. 100 mm) A downhill grade of 1/100 or more VP-30 (g) Avoid positioning the drain piping outlet at a place where generation of odor may be stimulated. Do not lead the drain piping direct into a sewer from where sulfur gas may generate. 100 290~325mm Drain hose 600 (f) The height of the drain head can be elevated up to a point 500 mm above the ceiling, and when an obstacle exists in the ceiling space, elevate the piping to avoid the obstacle using an elbow or corresponding gadget. When doing this, if the stretch for the needed height is higher than 500 mm, the back-flow quantity of drain at the event of interruption of the operation gets too much and it may cause overflow at the drain pan. Therefore, make the height of the drain pipe within the distance given in the sketch below. (Maximum local drain up dimension) (e) The hard PVC pipe put indoor side should be heat insulated. Do not ever provide an air vent. Joint for VP-25 (Local procurement) Right overhead Installation Procedure Drain Pipe Drainage Test (1) Conduct a drainage test after completion of the electrical work. (2) During the trial, make sure that drain flows properly through the piping and that no water leaks from connections. (3) In case of a new building, conduct the test before it is furnished with the ceiling. (4) Be sure to conduct this test even when the unit is installed in the heating season. Insert water supply hose for 20 mm ~ 30 mm to supply water. (Insert hose facing toward bottom.) Remove grommet. Make sure to install it back after test. Procedures (a) Supply about 1000 cc of water to the unit through the air outlet using a feed water pump. (b) Check the drain while cooling operation. Before the electrical work has not been completed, connect a convex joint in the drain pipe connection to provide a water inlet. Then, check if water leaks from the piping system and that drain flows through the drain pipe normally. Attached drain hose clamp Main unit Drain piping Drain situation can be checked with transparent socket Pour water into a convex joint. Installation Procedure Air Duct Installation work for air outlet ducts Air conditioner main unit Calculate the draft and external static pressure and select the length, shape and blowout. A Blowout duct 2-spot, 3-spot and 4-spot with specifications. 200 type duct are the standard Note (1) Shield the central blowout hole for 2-spot. (2) Shield the blowout hole around the center for 3-spot. Ceiling surface B Special blowout (Option) Limit the difference in length between spots at less than 2:1. Reduce the length of duct as much as possible. Reduce the number of bends as much as possible. (Corner R should be as larger as possible.) Use a band. etc. to connect the main unit and the blowout duct flange. Conduct the duct installation work before finishing the ceiling. Heat insulation Suction panel inlet duct A Blowout duct (Silent panel) (optional or (Optional or marketat item) marketed C special inlet item) (option) (with air Hole for check filter) Bad example Connection of suction, exhaust ducts Bad example State seeing from top of unit a.Fresh air inlet Inlet can be selected from the side or rear faces depending on the working conditions. Use the rear fresh air inlet when the simultaneous intake and exhaust is conducted. (Side inlet cannot be used.) b.Exhaust (Make sure to use also the suction.) Use the side exhaust port. 101 Side fresh air inlet Rear fresh air inlet Fig.1 Fig.2 Good example Exhaust hole Installation Procedure Electrical wiring WARNING DANGER OF BODILY INJURY OR DEATH TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS. Precautions for electrical wiring Electrical wiring work should be conducted only by authorized personnel. Do not connect more than three wires to the terminal block. Always use round type crimped terminal lugs with insulated grip on the ends of the wires. Use copper conductor only. Selection of size of power supply and interconnecting wires Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with less than 2% voltage drop.) Phase Switch breaker (A) Overcurrent protector rated capacity (A) Power source wire size (minimum) (mm2) 1 40 30 6.0 Circuit breaker Item Model 24K(Mid) 28K 36K 48K(Mid) Earth leakage breaker Switch breaker(A) Leak current(mA) 40 30 Wiring connection Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by terminals. Indoor unit terminal block Outdoor unit terminal block L N 1 2 3 Y/G 1 2 3 Y/G Power supply :1PH, 220-230V~, 50/60Hz 102 High ESP DUCT Installation Procedure Indoor Unit NOTE All wiring of this installation must comply with NATIONAL, STATE AND LOCAL REGULATIONS. These instructions do not cover all variations for every kind of installation circumstance. Should further information be desired or should particular problems occur, the matter should be referred to your local distributor. WARNING BE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD CAUSE SERIOUS INJURY OR DEATH, EQUIPMENT MALFUNCTION AND/OR PROPERTY DAMAGE. Before installation (Before finishing installation, do not throw the attached parts installation needs) Confirm the way to move the unit to the installation place. Before moving the unit to the installation place, do not remove their packages. When having to remove the package, use a soft material or protection board with rope to lift the unit assembly to avoid unit damage or bumping a scrape. Choose installation place Air out Over 900 Checking meatus (600x600) Over 200 Over 100 Over 300 The chosen installation place should meet the following requirements and get the user's consent. Place ensures ideal airflow distribution. The passage of airflow has no obstacles. When importing outside air, it should be imported directly from outdoors. (If the pipe can not be extended, it also can not be imported from top) Place ensures enough space for maintenance. The pipe length between indoor and outdoor unit is in the permitted limit (referring to outdoor unit installation part). The indoor unit, outdoor unit, electric wire and connection wire is at least 1m away from television and radio. This is to avoid the image disturbance and noise caused by the above mentioned home appliance. (Even if 1m away, if the electromagnetic wave is too strong, it can also cause noise.) The indoor unit can install on the ceiling, which height is no more than 3m. Install and use the hoisting screw. Check if the installation place can bear the weight of unit assembly. If not certain, strengthen it before install the unit. Air in Ceiling Installation for indoor unit 1.The position relation among hoisting screw (unit: mm) 250 1270 853 Up side 1103 794 360 Down side 2.If necessary, cut the opening installation and checking needed on the ceiling. (If having ceiling) Before installation, finish the preparation work of all the pipes (refrigerant, drainage) and wire (wire controller connection wire, indoor and outdoor unit connection wire) of indoor unit, so that after installation, they can be immediately connected with outdoor unit. Cut the opening on the ceiling. Maybe it needs to strengthen the ceiling to keep the ceiling even and flat and prevent the ceiling from vibration. For details, please consult to the builder. 103 Installation Procedure Indoor Unit 3. Hanger bolts installation Use care of the piping direction when the unit is installed.(Use M10 screw bolt) In order to bear the weight of the unit, for existed ceiling, using foundation screw bolt, and for new ceiling, using burying embedded screw bolt, burying screw bolt or spot supplied other parts. Before going on installation, adjust the gaps with ceiling. Hole-in anchor Hole-in plug Insert Concrete Hanging bolt M10 4. Installation of indoor unit Fix the indoor unit to the hanger bolts. If required, it is possible to suspend the unit to the beam, etc. Directly by use of the bolts without using the hanger bolts. Note When the dimensions of main unit and ceiling holes does not match, it can be adjusted with the slot holes of hanging bracket. M10 nut Main unit Hanging bolt M10 washer M10 spring washer 5. Adjusting to the levelness (a) Adjust the out-of levelness using a level or by the following method. Make adjustment so that the relation between the lower surface of the unit proper and water level in the hose becomes as given below. (b)Unless the adjustment to the levelness is made properly, malfunctioning or failure of the float switch may occur. 104 Piping side Supply water Water level 0~5 mm (0~0.2") PVC hose Bring the piping side slightly lower. Installation Procedure Drain Piping (a) Drain piping should always be in a downhill grade (1/50~1/100) and avoid riding across an elevation or making traps. Good piping Suspension 1.5m ~ 2m bolts Improper piping Avoid riding across an elevation Air vent Keep free from traps Do not pipe under water A downhill grade Heat of 1/100 or more insulation (b) When connecting the drain pipe to unit, pay suffcient attention not to apply excess force to the piping on the unit side. Also, fix the piping at a point as close as possible to the unit. (c) For drain pipe, use hard PVC general purpose pipe VP-25(I.D.1") which can be purchased locally. When connecting, insert a PVC pipe end securely into the drain socket before tightening securely using the attached drain hose and clamp. Adhesive must not be used connection of the drain socket and drain hose (accessory). (d) When constructing drain piping for several units, position the common pipe about 100 mm below the drain outlet of each unit as shown in the sketch. Use VP-30(11/4") or thicker pipe for this purpose. (e) The stiff PVC pipe put indoor side should be heat insulated. Stage difference Drain hose Drain socket part Drain socket Pipe cover(large) [for insulation] (accessory) Main unit VP-25 joint (field purchased) Drain hose (accessory) Clamp Adhesion (accessory) Pipe cover(small) [for insulation] (accessory) VP-25 (field purchased) Pipe cover [for insulation] (field purchased) Secure the elevation as high as possible (approx. 100 mm) VP-30 A downhill grade of 1/100 or more (g) Because the drain spout is at the position, which negative pressure may occur. So with the rise of water level in the drain pan, water leakage may occur. In order to prevent water leakage, we designed a backwater bend. The structure of backwater bend should be able to be cleaned. As the right figure shown, use T type joint. The backwater bend is set near the air conditioner. As figure shown, set a backwater bend in the middle of drain hose. H2 H1 (f) Avoid putting the outlet of drain hose in the places with irritant gas generated. Do not insert the drain hose directly into drainage, where the gas with sulfur may be generated. Drainage Test (1) Conduct a drainage test after completion of the electrical work. (2) During the trial, make sure that drain flows properly through the piping and that no water leaks from connections. (3) In case of a new building, conduct the test before it is furnished with the ceiling. (4) Be sure to conduct this test even when the unit is installed in the heating season. Procedures (a) Supply about 1000 cc of water to the unit through the air outlet using a feed water pump. (b) Check the drain while cooling operation. 105 H1=100mm or the static pressure of air sending motor H2=1/2H1 (or between 50~100mm) Installation Procedure Air Duct Please consult the after-sales service personnel for the choosing and installation of suction inlet, suction duct, discharging outlet and discharging duct. Calculating the design drawing and outer static pressure, and choose the discharging duct with proper length and shape. muffler cavity (air sending) Enlarging chart of profile chart A Sacking joint Insulation A Vibration resistance hook Air volume adjuster Air conditioner Ceiling main unit Checking meatus Air suction grille with air filter Air outlet The length difference among every duct is limited below 2:1. Reduce the length of duct as possible as can. Reduce the amount of bend as possible as can. Use heat insulation material to bind and seal the part connecting main unit and the flare part of air discharging duct. Perform duct installation work, before the fitment of ceiling. Bad example A Calculation method of the dimension of the simple quadrate air duct Presuming the unit length friction impedance of the duct is 1Pa/m, when the dimension of one side of the air duct is fixed as 250mm, as shown below: B Air volume Duct 2400m3/h(40m3/min) 600m3/h(10m3/min) 250x560(mmxmm) 250x190(mmxmm) The calculation of duct resistance (the simple calculation is as follow table) Straight part Calculate as per 1m length 1Pa, 1Pa/m Bend part Air out part Each bend takes as a 3~4m long straight duct Static pressure box Calculate as 25Pa Calculate as 50Pa/each Air inlet grille (with air filter) Calculate as 40Pa/each The chosen chart of simple duct Note:1Pa/m=0.1mmAg/m Shape Air volume Item m3/h(m3/n) 100 200 300 400 500 600(10) 800 1,000 1,200(20) 1,400 1,600 Shape Square duct Square duct Air volume Item m3/h(m3/n) 1,800(30) 2000 2400 3,000(50) 3,500 4,000 4,500 5,000 5,500 6,000(100) Dimension (mmxmm) 250 x 60 250 x 90 250 x 120 250 x 140 250 x 170 250 x 190 250 x 230 250 x 270 250 x 310 250 x 350 250 x 390 106 Good example Air conditioner A A 48K(High) 60K A B Bad example Dimension (mmxmm) 250 x 430 250 x 470 250 x 560 250 x 650 250 x 740 250 x 830 250 x 920 250 x 1000 250 x 1090 250 x 1180 Static pressure box Equipped with air filter (bought) Installation Procedure Air Duct The attentive matters in installation of air suction and discharging duct Recommend to use anti-frost and sound-absorbing duct. (locally bought) The duct installation work should be finished before the fitment of ceiling. The duct must be heat insulated. The specific air-discharging outlet should be installed at the place where the airflow can be reasonably distributed. The surface should leave a checking meatus for checking and maintenance. Special air discharging outlet Use screw bolt to fix Duct Air The examples of improper installation Do not use air inlet duct and take the ceiling inner side as duct instead. The result is because of the irregular outer air mass, strong wind and sunshine, the humidity is increased. There may be water drop on the outside of duct. For cement and other new constructions, even if not taking ceiling inner side as duct, the humidity will also be so high. At this time, use glass fiber to perform heat preservation to the whole. (use iron net to bind the glass fiber) Maybe exceeding the unit operation limit (for example: when indoor dry bulb temperature is 35 C, wet bulb temperature 24 C), it may lead to overload of compressor. Affected by the capacity of air discharging fan, the strong wind in the outer duct and wind direction, when unit air sending volume exceeds the limit, the discharged water of heat exchanger will overflow, leading to water leakage. 107 Air Improper example Air discharging fan Installation Procedure Refrigerant Pipe The gas side pipe, liquid side pipe must be faithfully heat insulated, if no heat insulation, it may cause water leakage. The outdoor unit has been charged with refrigerant. When connect the pipe to the unit or dismantling the pipe from the unit, please follow the figure shown, use spanner and torque spanner together. When connect cone nut, the inner side and outside of cone nut should paste with refrigerant oil. Use hand to twist 3-4 rings, then fasten with spanner. Referring to Table I to confirm the fasten torque. Too tight may damage nut leading to leakage. Check if the connection pipe leaks, then do heat insulation treatment, as below figure shown. Only use seal cushion to bind the joint part of air pipe and heat insulation parts. Table I Middle size seal cushion (accessory) (Use seal cushion to bind the pipe joint) Torque spanner Specification Tighten torque of pipe Clamp Heat insulation (accessory) (for liquid pipe) Spanner Heat insulation (accessory) (for gas pipe) Gas pipe Liquid pipe Pipe joint Cone nut 80 Liquid pipe 9.52mm 3270~3990 N.cm (333~407 kgf.cm) 12.0~12.4 15.88mm 6180~7540 N.cm (630~770 kgf.cm) 18.6~19.0 19.05mm 9720~11860 N.cm (990~1210 kgf.cm) 22.9~23.3 510 Gas pipe Electric box Upper 530 VP25 PVC pipe 108 Down side 30 310 Air inlet Drain hose connection mouth Cone dimension A (mm) Air outlet Cone 90 0.5 45 2 Paste the refrigerant oil here A R0.4~0.8 Installation Procedure Electrical Wiring WARNING DANGER OF BODILY INJURY OR DEATH TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS. Precautions for Electrical wiring Electrical wiring work should be conducted only by authorized personnel. Do not connect more than three wires to the terminal block. Always use round type crimped terminal lugs with insulated grip on the ends of the wires. Use copper conductor only. Selection of size of power supply and interconnecting wires Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with less than 2% voltage drop.) Item Model 48K(High) 60K Phase Switch breaker (A) Overcurrent protector rated capacity (A) Power source wire size (minimum) (mm2) 3 30 20 4.0 Circuit breaker Earth leakage breaker Switch breaker(A) Leak current(mA) 30 30 Wiring connection Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by terminals. Indoor unit terminal block Outdoor unit R S terminal block T N 1 2 3 Y/G 1 2 3 Y/G Power supply:380-400V, 3N~,50/60Hz 109 5. PCB photo,Wiring diagram and function description 5.1 Outdoor unit 5.1. 1. Outdoor PCB photo YHUJYH024BAR-A-X PCB(0011800241C) 110 YHUJYH024BAR-A-X power module YHUJYH028/36BAR-A-X power module 111 YHUJYH028/36BAR-A-X filter board YHUJYH028/36/48BAR-A-X YHUJYH048BAS-A-X YHUJYH060BAS-A-X PCB(0151800054A) 112 YHUJYH048BAS-A-X YHUJYH060BAS-A-X power module YHUJYH048BAS-A-X YHUJYH060BAS-A-X filter board 113 YHUJYH048BAR-A-X filter board YHUJYH048BAR-A-X power module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a 0 &$3 % &1 02'8/(&20 &1 1 &1 $&)$1 127(6 7+('277('3$576 $5(237,21$/ 5($&725 $&/ &1 &1 %˖%/$&. 5˖5(' 25˖25$1*( %/˖%/8( :˖:+,7( <*˖<(//2:*5((1 * /, &1 POWER MODULE &1 3 8 9 : 1 &1 &1 &1 &1 &1 %/ % 58 3 &1 / 1 1 / & 25 32:(5 72,1'22581,7 287'22581,7:,5,1*',$*5$0 5.1.2. Wiring diagram YHUJYH024BAR-A-X R 116 V W W B )4 Tm Reactor COMMUNICATION CHOOSE FOR MODEL:AU482AIERAǃAU48NAIERA AU60NAIERA Note˖ 1.SW1-1&SW1-2 are used to choose capacity;SW1-3 is choose for power module ;SW1-4 is for fan motor ,ON--DC fan OFF--AC fan; SW1-5 is for FAN quantity ,ON--single OFF-double;SW1-6 is for communication ,ON--newˈOFF--old;SW1-7 is for power source,ON--single phaseˈOFF--three phase;SW1-8 is for quiet operation,ON--availableˈOFF-unavailable 2. Once out of factory ˈdo not change the switches SW1-1 SW1-2 SW1-3 SW1-4 SW1-5 SW1-6 SW1-7 SW1-8 MODEL OFF OFF ON ON ON ON ON OFF 1U28HS1ERA OFF ON ON ON ON ON ON OFF 1U36HS1ERA Definition of SW1 OFF ON OFF ON ON OFF ON OFF BL )4 Module_COM LED1 PMV M )4 LED2 SW1 SW6 SW5 SW4 SW3 SW2 1234 ON OR SIG )54 )54 )54 12 3 4 5 6 78 ON )4 OR 4-WAY HEATER VALVE R To indoor unit 1 2 3 B Tcm Ts Td Te Ta W ACL ACN SW7 Y/G LP HP )4 )4 1234 ON PTC )4 FUSE 250VAC T6.3A )54 )54 )4 )4 )4 )4 )4 OUTDOOR PCB DC FAN MOTOR COMMUNICATION COMMUNICA TION C CHOOSE HOOSE FOR MODEL:1U28HS1ERA MODEL:1U28HS1ERAǃ1U36H 1U36HS1ERA S1ERA Definition of SW7 Definition COMPRESSOR U )4 )4 )4 )4 POWER MODULE )4 M )4 SW7-1 SW7-2 SW7-3 SW7-4 CN5 CN6 CN7 W B OR OR R W B FUSE T25A 250VAC Compulsive Cooling Compulsive Heating Rated Operating Defrost timing Definition OR: Orange B: Black BL:Blue Y/G: Yellow/Green R: Red W:white Tcm: Condensing Temp. Sensor Ts: Compressor Suction Temp. Sensor Ta: Ambient Temp. Sensor Td: Compressor Discharge Temp. Sensor Te: Defrosting Temp. Sensor Tm: Module Temp. Sensor ON OFF OFF OFF OFF ON OFF OFF OFF OFF ON OFF OFF OFF OFF ON OFF OFF OFF OFF W Y/G B State when out of factory˄Normal operating ˅ Definition of SW6 Power L N B FILTER W )4 82 6 6 64 6 6 6 6 62 SW1 SW2 SW3 SW4 B W Y/G YHUJYH028/36BAR-A-X M 117 DC FAN MOTOR L N M H Y/G N capacitor SW7 OFF SW1-4 NOTE: 1.DESHAED FRAMES ARE OPTIONAL, AND IN SOME MODELS ARE NOT AVAILABLE. 2.USER SHOULD NOT TO CHANGE THE DIP SWITCH SW1,SW6. R:RED B : BLACK Y : YELLOW BL : BLUE Y/G : YELLOW/GREEN R : RED W : WHITE OLD PROTOCOLSW7 NEW PROTOCOL AC FAN MOTOR DC FAN MOTOR SW1-2 ON SW1-1 60000 BTU ON SW1-4 SW1-2 ON SW1-1 SERIAL CN11 CN10 CN9 PMV CN16 Y/G TC CN7 SW1 SW3 TS TD CN6 SW6 1234 TE CN4 FAN FA SW7 1234 CON1 SIG CON2 N Y/G TA LP HP 5 % : 1 2 3 CN3 CN2 CN1 ON PTC CN19 CN18 CON3 L CN17 SPRAY VALVE UNIT B W Y/G Y/G COMPRESSOR 5 U : V % W POWER SUPPLY TO INDOOR L N ON CN5 SW2 SW5SW4 DOWN UP CN20 4-WAY CRANKCASE UNLOAD VALVE HEATER VALVE FUSE1 220VAC T6.3A H M 1 2 3 4 5678 M CN8 ON LED1LED2 ALARM COM L CN15 M DOWN AC FAN MOTOR OUTDOOR PCB CN14 M 48000 BTU DC FAN MOTOR capacitor TO ISPM M UP AC FAN MOTOR CN13 CN12 + N’ E : L N - : Y/G CAPACITY : DC- DC+DCDC+ : AC_N AC_L REACTOR POWER MODULE /L2 FILTER L’ % %% V W U % CIRCUIT DIAGRAM OF OUTDOOR UNIT 1 B 5 2 3 Y 6 Y 4 Y PTC TC: MIDDLE PIPE TEMPERATURE SENSOR TS: COMPRESSOR INHALE SENSOR TD: COMPRESSOR VENT SENSOR TE: DEFROST TEMPREATURE SENSOR TA: AMBIENT TEMPERATURE SENSOR B RALAY BL BL NOTE: Y L N % 0150510493 YHUJYH048BAR-A-X CN607 DC FAN MOTOR 118 N LED2 COM SW3 TD CN6 SW6 1234 SW4 SW2 TE CN4 FAN FA SW7 1234 CON1 SIG FILTER E’ N’ L3’ L2’ W W W ON SW1-5 NOTE: 1.DESHAED FRAMES ARE OPTIONAL, AND IN SOME MODELS ARE NOT AVAILABLE. 2.USER SHOULD NOT TO CHANGE THE DIP SWITCH SW1,SW6. R:RED B : BLACK BL : BLUE Y/G : YELLOW/GREEN R : RED W : WHITE DOUBLE FAN POWER SUPPLY TO INDOOR UNIT NOTE: SW7 SW7 TC: MIDDLE PIPE TEMPERATURE SENSOR TS: COMPRESSOR INHALE SENSOR TD: COMPRESSOR VENT SENSOR TE: DEFROST TEMPREATURE SENSOR TA: AMBIENT TEMPERATURE SENSOR OLD PROTOCOL NEW PROTOCOL ON SW1-6 E N L3 L2 L1’ W B W N W CN607 OLD PROTOCOL Y/G BL B L1 U V V R W U SCN ON SW1-5 Y/G R W COMPRESSOR REACTOR W W W W W B B B R S T DC- L1 L2 DC+ P SCP1 SCP2 SIGNLE FAN 1 2 3 HP R W B POWER MODULE ON SW1-6 TA LP CN3 CN2 CN1 ON CON2 N PTC CN19 CN18 CON3 L CN17 DC+ DC1+ DC2+ CAPACITY DC- DC1- DC2- NEW PROTOCOL R S T N TS CN5 ON SW5 DOWN UP CN20 SPRAY VALVE ON SW1-4 PMV TC CN7 SW1 1 234 5678 M CN8 ON CN16 Y/G FUSE1 220VAC T6.3A L M H CN15 M 4-WAY CRANKCASE UNLOAD VALVE HEATER VALVE 0150509027 AC FAN MOTOR ON SW1-4 SW1-2 ON SW1-1 60000 BTU SERIAL SW1-2 DC FAN MOTOR LED1 ALARM Y/G capacitor DOWN AC FAN MOTOR OUTDOOR PCB ON SW1-1 TO ISPM L M H CN14 M CN11 CN10 CN9 N capacitor UP AC FAN MOTOR 48000 BTU DC FAN MOTOR M M CN13 CN12 CIRCUIT DIAGRAM OF OUTDOOR UNIT YHUJYH048BAS-A-X YHUJYH060BAS-A-X condenser cooling electronic strainer expansion valve heating 119 3-way stop valve (gas side) pipe coil temp.sensor 2-way stop valve (liquid side) strainer evaporator ambient temp.sensor YHUJYH024BAR-A-X compressor discharge temp.sensor 4-way stop valve strainer 3. Main control functions 3.1 Refrigerant diagram condensor temp.sensor T defrosting temp.sensor T condenser 120 heater COOLING filter gas-liquid segerator sunction temp.sensor T low pressure switch compressor discharging temp.sensor Td EEV 4- way stop valve high pressure switch ambient temp.sensor Tai filter HEATING 3- way stop valve( gas side) 3- way stop valve( liquid side ) coil temp.sensor T evaporator ambient temp.sensor T ai YHUJYH028BAR-A-X YHUJYH036BAR-A-X YHUJYH048BAR-A-X YHUJYH048BAS-A-X defrosting sensor T middle sensor of condenser T condensor FILTER capillary gas-liquid segerator FILTER EEV COOLING suction sensor Ts service valve low pressure switch 4- WAY VALVE high pressure switch service valve discharging sensor T compressor heater HEATING 3- way stop valve(liquid side) 3- way stop valve (gas side ) indoor coil sensor T evaporator Tai indoor ambient sensor 121 YHUJYH060BAS-A-X defrosting sensor T middle sensor of condenser T condensor FILTER capillary gas-liquid segerator FILTER EEV COOLING suction sensor Ts service valve low pressure switch 4- WAY VALVE high pressure switch service valve discharging sensor T compressor heater HEATING 3- way stop valve(liquid side) 3- way stop valve (gas side ) indoor coil sensor T evaporator Tai indoor ambient sensor 122 PCB 0151800054A dip switch setting YHUJYH028BAR-A-X YHUJYH036BAR-A-X YHUJYH048BAR-A-X YHUJYH048BAS-A-X YHUJYH060BAS-A-X SW1-1 0 0 1 1 ------------------------------------- SW6-1 0 1 ------------------- SW1-2 0 1 0 1 ------------------------------------- SW6-2 ------0 1 ------------- SW1-3 ------------1 0 ------------------------------- SW6-3 ------------0 1 ------- SW1-4 SW1-5 SW1-6 SW1-7 SW1-8 Description ---------------- 28K outdoor unit ---------------- 36K outdoor unit ---------------- 48K outdoor unit ---------------- 60K outdoor unit ---------------- power module choose1 ---------------- power module choose2 1 ------------- DC fan motor 0 ------------- AC fan motor ---1 ---------- single fan ---0 ---------- double fan ------1 ------- new communication protocol ------0 ------- ld communication protocol ---------1 ---- 1 phase ---------0 ---- 3 phase ------------1 mute sounds mode valid ------------0 mute sounds mode invalid SW6-4 ------------------0 1 Description normalcondition running(default) rated condition running normal defrosting(default) compulsory defrosting normal cooling(default) compulsory cooling normal heating(default) compulsory heating 123 3.2 Outdoor frequency control 3.2.1 Compressor running frequency range: 30-91RPS. 3.3 Electronic expansion valve (EEV) control: 3.3.1 Electronic characteristic: Max. open angle 500 Pulse Driving speed PPS 3.3.2 Initialization of EEV EEV driving speed: open direction: 32MS; close direction: 32MS 3.3.3 Open angle limit of EEV Unit stop Adjustable upper limit Cool/dry 250(E) 480(E) heat 250(E) 480(E) 3.3.4 6、Standard open angle control In Cool/Dry mode, standard open angle: outdoor ambient temp.≥22℃, 260pulse (E) Outdoor ambient temp.≤22℃, 210pulse (E) In heat mode, standard open angle: outdoor ambient temp.≥6℃, 240pulses (E) Outdoor ambient temp. ≤6℃, 160pulse (E) 3.3.5 When discharging temp. Td is too high or too low, modify the EEV angle mode Cooling Cooling Heating Heating Modification process Max. modification If TD>106 degree and -1 degree /2 minutes, open -3 angle keeps between 106-50 . If TD<50 degree and +1 degree /2 minutes, open +3 angle keeps between 50-106. If TD>100 degree and -1 degree /2 minutes, open -3 angle keeps between 100-50 . If TD<50 degree and +1 degree /2 minutes, open +3 angle keeps between 50-100 3.4 4-way valve control in heating 50s later after compressor start up, the 4-way valve start to operate. When compressor stops or unit is not in heating mode, the 4-way valve is closed after compressor stop for 2 minutes and 55s. compressor ON OFF 4-way valve ON OFF 50 秒(E) 2 minutes and 55s 3.5 Control of defrosting in heating In heating mode, defrosting temp. sensor Te will check the frosting condition of outdoor heat 124 exchanger and make defrosting control. 3.5.1 Enter condition: After the unit is in heating for 10 minutes and compressor run for 45 minutes in all , according to check the defrosting temp. sensor Te and outdoor ambient temp. sensor Tao, if they can meet the following condition, entering in defrosting operation. 1、 5℃(E)<Tao,Te<=-6℃(E); 2、 -6℃(E)<=Tao<=5℃,Te≤C×Tao-α; Herein :α=8(E);C:Tao<0℃,C=0.8; Tao≥0℃,C=0.6 3.Tao<-6℃,Te≤-15℃(E)and defrosting compressor run for 48 minutes in all。 3.5.2 Cancel condition: It will take max. 10minutew from beginning defrosting to quit it. Te sensor will measure the condition of outdoor heat exchanger, if the temp. is over 10℃ for 60s or is up to 14℃ for 30s, the defrosting will be over. 3.5.3 Defrosting operation flow chart: Beginning End 60s 60s 30s inverter compressor indicated FQY defrosting FQY 85 Hz(E) 50HZ soft startup 32HZ 10s outdoor fan motor ON send signal to indoor unit auto OFF 4-way valve ON OFF ON Unload valve SV1 OFF auto 250pulse(E) PMV auto open angle Indoor fan motor auto open angle ON OFF anti-cold air function 125 3.6 Frequency control when Td is too high Purpose : make compressor frequency control if the discharging temp. is too high, to low the discharging temp. efficiency and ensure the system can run normally. If keeps for 10s, the unit stops. 3 minutes later, the Discharging temp. Td unit can re-startup. If in 60 minutes the unit occurs 118℃ alarm for 3 times, the failure can be eliminated 115℃ Reduce FQY rapidly 2HZ/S 112℃ Reduce FQY rapidly 1HZ/S 109℃ Reduce FQY slowly 1HZ/10S 105℃ Remain FQY 95℃ Increase FQY slowly 1HZ/10S 3.7、 Frequency control when there is CT over current 1.00I 0.95I 0.93I 0.90I 0.88I 0.85I Stop immediately, if abnormal stop 3 times in an hour, the unit will be stop and alarm . Reduce FQY rapidly 2HZ/S Reduce FQY rapidly HZ/S Reduce FQY slowly 1HZ/10S Remain FQY Increase FQY slowly 1HZ/10S 3.8 Oil return operation control 3.8.1 Entering condition When the compressor running frequency is lower than 58Hz continuously in all and outdoor unit Tcm is lower than 50 degree for 5 hours, the system will enter oil return operation. In the course of mode changeover, manual unit stop or protective unit stop, the time will be accumulative. After compressor restarts up, the time will counted continuously. In counting time for 5 hour, if the compressor running frequency is over 80Hz for 10 minutes continuously, the time will be cleared. Also after the heating defrosting , the time will be cleared. 126 3.8.2 Procedure Cooling mode: refer to “the oil return procedure in cooling mode” Heating mode: refer to “the oil return procedure in heating mode” 3.8.3 The protection treatment in oil return operation: In the course of cooling oil return, because of all kinds of protection or abnormal unit stop, after the unit restart, the time will not be cleared, the system need another oil return operation. In the refrigerant flow course in oil return of cooling mode or after oil return, and within 5 minutes after the refrigerant being eliminated is over, the anti-freeze protection and low pressure protection are invalid, other protection is valid. In the course of heating oil return ,because of all kinds of protection or abnormal unit stop, the system need not another oil return operation after the unit stop for 3 minutes and enter in heating mode directly. In the course of changing to cooling oil return, the anti-freeze protection and low pressure protection are invalid, other protection is valid. Oil return procedure in cooling mode: Send oil return signal oil return beginning 60 秒 oil return over ref.eliminated 30s 80 Hz(E) 40HZ(E) Inverter compressor auto FQY 300pulse(E) outdoor unit PMV auto open angle auto open angle 120pulse(E) Outdoor fan motor auto operation auto(TC or ambient control) auto operation running indoor motor auto operation auto(set fan speed) auto operation stop indoor motor stop 4-way valve OFF stop OFF Quit condition of oil return: 1 minute later after oil return is over Td‐Tcm>30℃ OR Ts‐Tc>30℃ Tc<‐35℃ Max. 10 minutes & OR Oil return procedure in heating mode: 127 stop OFF Send oil return signal Inverter compressor indicated FQY 60s oil return beginning oil return over oil return frequency 120s Soft startup 0HZ 0HZ 5s outdoor motor auto auto auto(TC control) 4-way valve ON OFF 15s 450pulse 450 pulse 300pulse(E) PMV auto open angel auto open angle all indoor motor ON OFF anti-freeze startup Quit condition of oil return OR Max. 9 minutes(E) OR Td‐Tcm<20℃ for 30s(5 minutes later, begin to count) & Ts‐Tc<15℃ for 30 秒(5 minutes later, begin to count) Running for min. 5 minutes(E) 128 5.2 Indoor unit 5.2.1 PCB(0151800106) for 28/36/48/60 indoor unit YHDJXH018BAM--GX 129 SW1-1 OFF ON OFF ON OFF ON OFF ON SW1-2 OFF OFF ON ON OFF OFF ON ON LEFT/ RIGHT 130 SW1-3 OFF OFF OFF OFF ON ON ON ON BTU 7000 9000 12000 14000 18000 24000 28000 36000 CN29 REMOTE RECEIVER SW1 CN7 SWING CN9 PUMP FLOAT SWITCH RC ROOM PIPING TEMP. TEMP. SENSOR SENSOR CH5 FUSE T3.15A/250VAC CN8 HEATER CN20 CN18 CN21 CN13 CN12 CN11 FAN W B R Y/G Y/G:YELLOW/GREEN R:RED B:BLACK W:WHITE TO OUT DOOR 1 2 3 CH4 CH3 CN5 TR TYPE DEFINE SW1-4 SW1-5 SW1-6 SW1-7 SW1-8 ON OFF OFF OFF Cassette OFF OFF ON Convertible(≤24000BTU) OFF ON OFF OFF ON OFF Duct OFF OFF ON ON ON Convertible(>24000BTU) OFF OFF NOTE1.DASHED PART ARE OPTIONAL. 2. USER SHOULD NOT TO SET SW1 AND SW2. Wired Remote Controller CN1 87654321 4321 CN3 ON ON SW2 CN19 CN10 CN15 CN14 REMOTE CENTRAL PANNEL UP/ DOWN 0150507096 5.2.2. YHKJXH012/18/24BAM--FX YHFJXH012/18/24BAM--FX YHEJXH024BAR--GX 131 CN2 CN29 ON ON ON ON OFF ON ON ON ON ON OFF OF F 28000 3 6000 48 000 60 000 RO O M CARD CN20 CN14 BTU RE M O T E REIC EIVER CN15 M M WIRED REMOTE CONTROLLER S W1 SW2 CN10 PANNEL SW1-1 SW1-2 SW1-3 CN3 C N1 9 R E MO T E CENTRAL LEFT RIGHT UP DOWN 0150509738 CN9 CN21 CN8 M OFF ON ON OFF OFF ON OFF ON SW1-7 SW1-8 N M H CN12 PIPING TE M P . SENSOR CN11 L Floor standing Cassette C o nv e r ti b l e D uc t Type CN13 PUMP ROOM TEMP. FLOAT SWITCH SENSOR CN 1 8 CN7 M SWING HEAT SW1-6 SW1-5 SW1-4 TR ON OFF ON OFF ON OFF CN5 L W B R B R With temperature compensate Without temperature compensate Cool only Heat pump Y/G B TO OUTDO OR UNIT 1 2 3 W W R:RED B:BLACK W:WHITE Y/G:YELLOW/GREEN Note:1.Dashed part are optional 2.User should not set sw1 and sw2 CH3 N COMM CH4 CH5 RL3 Room card unavailable RL2 Room card available T3.15A/250V FUSE RL1 M FAN YHEJXH028/36/48BAR--GX /()7 5,*+7 132 &1 REMOTE RECEIVER SW1 36000 ON OFF 48000 ON ON ON ON ON ON OFF 60000 28000 ON ON OFF SW1-1 SW1-2 SW1-3 BTU OFF ON ON OFF FLOAT SWITCH 5& &1 3803 SW1-5 OFF ON SW1-4 ON : cool only % 5 <* <*<(//2:*5((1 55(' %%/$&. ::+,7( 72287'225 1 2 3 &+ &+ &1 75 room card available room card unavailable ROOM PIPING TEMP. TEMP. SENSOR SENSOR &+ )86( 7$9$& &1 +($7(5 OFF heat pump OFF Duct ON With temperature compensate SW1-6 ON Floor standing OFF No temperature compensate Convertible OFF Cassette ON &1 6:,1* &1 &1 &1 &1 &1 &1 )$1 SW1-7 SW1-8 Type define 127('$6+('3$57$5(237,21$/ 86(56+28/'127726(76:$1'6: :LUHG 5HPRWH &RQWUROOHU &1 &1 ON ON SW2 &1 &1 &1 &1 83 '2:1 5(027( &(175$/ 3$11(/ YHKJXH028/36/48/60BAR--FX YHFJXH028/36/48BAR--FX YHGJXH048/60BAR--GX YHDJXH012/18/24BAM--GX PIPING TEMP. SENSOR ROOM TEMP. SENSOR 5& &1 8+20( &1 )86( FLOAT SWITCH &1 5(027( &(175$/ &1 3$11(/ &+ SW1 &1 7$9$& SW2 +($7 &1 &1 55(' 133 &1 &1 <* 6:,1* REMOTE RECEIVER 6: 6: 7<3('(),1( %%/$&. 2)) 2)) 6LOPGXFW 6: 81'(),1( 2)) 21 &RQYHUWLEOH ::+,7( 21 2)) 0HGXLP(63GXF 2)) <*<(//2:*5((1 21 21 21 &DELQHW ALARM OR AIR EXCHAGE LINKAGE &1 &1 &1 &1 &1 &1 &1 72287'225 5 : % 1 2 3 3803 3D 3D 3D 3D +\GURVWDWLF VHOHFWLRQ :LUHG 5HPRWH &RQWUROOHU 6: %78 2)) 2)) 2)) 2)) 6: 6: 21 2)) 2)) 21 2)) 21 21 21 2)) 21 21 21 /()7 5,*+7 83 '2:1 M DC FAN MOTOR 6: 2)) 2)) 21 21 2)) 2)) 21 21 127('$6+('3$57$5( 237,21$/ 86(56+28/'12772 6(76:$1'6: 6: 2)) 21 2)) 21 2)) 21 2)) 21 &+ &+ &1 5.2.5.. Electrical Control Functions For Cassette and Convertible type 1. Dip switch functions: YHKJXH*BAM--FX,YHFJXH*BAM--FX,YHDJXH024-060BAR--GX SW1-1 SW1-2 SW1-3 SW1-4 SW1-5 SW1-6 SW1-7 SW1-8 Description 1 0 --24K indoor ------------0 1 28K indoor ------------1 1 36K indoor ------------1 1 48K indoor ------------1 1 60K indoor ----------------0 --------Room card invalid ------1 --------Room card valid(default) --------0 ------Cooling only --------1 ------Heat pump (default) ----------0 ----Without tempetature compensation ----------1 ----With tempetature compensation 1 0 ------------Duct 0 0 ------------Cassette Capinet ≥48K(or convertible ≤24K) ------------0 1 1 1 Capinet(or convertible ≥28K) ------------- SW2: wiring controller communication address wiring controller address SW2-1 SW2-2 SW2-3 SW2-4 slave unit 1 0 0 0 0 slave unit 2 0 0 0 0 slave unit 3 0 0 0 0 slave unit 4 0 0 0 0 ………… ………… ………… ………… ………… slave unit 15 ON ON ON ON when the wiring controller is used to control many units , the wiring controller communication address of indoor unit need be setted YHDJXH*BAM--GX dip switch setting SW1-1 SW1-2 SW1-3 SW1-4 SW1-5 SW1-6 SW1-7 SW1-8 Description 1 0 ― ― 09K indoorunit 0 1 ― ― 12K indoorunit 0 0 ― ― 18K indoorunit 1 0 ― ― 24K indoorunit ― ― 0 0 ― ― Static pressure Opa ― ― 0 1 ― ― Static pressure10pa ― ― 1 0 ― ― Static pressure 20pa ― ― 1 1 ― ― Static pressure 30pa ― ― 1 ― ― Room card valid ― ― 0 ― ― Room card invalid ― ― 0 0 Slim duct(AD**SS1ERA) 1:ON 0:OFF 134 2. Sign definition: Indoor Tai Ambient temp. outdoor Tc1 Tc2 Tm Outlet Inlet mid pipe pipe coil temp. temp. temp. Tcomp1,2 Temp. compensation Tao Ambient temp. Toci Tc Thick pipe mid of heat condenser exchanger temp. Te Defrost temp. Ts Td Compressor Compressor suction discharging temp. temp. Tset Set temp. 3. Dry operation Tai<16℃, indoor unit stops running and sends stop-unit signal to outdoor. Tai≤Tset, indoor motor runs at low speed and sends stop-unit signal to outdoor. 4. Fan operation Indoor fan motor will run as the fan speed set on the remote controller or the wired controller and indoor unit will send the stop-unit signal to outdoor. 5. Auto operation 5.1 If the unit enters Auto mode for the first time, the system will adjust the operation mode according to the room temp. and the set temp. When Tai≥Tset, entering auto cooling mode; When Tai<Tset, entering auto heating mode. 5.2 Auto cooling mode is as the same as the cooling mode. After the thermostat is OFF for 15 minutes, if Tai+ 1+Tcomp2<Tset, the unit will enter auto heating mode, or the unit will still stay at auto cooling mode and stop when it reaches the set temperature; while the indoor motor will be at low speed. 5.3 Auto heating mode is as the same as the heating mode. After the thermostat is OFF for 15 minutes, if Tai≥Tset+1 +Tcomp1, the unit will enter auto cooling mode, or the unit will still stay at auto heating mode; 5.4 In this mode, the Sleep function is available, run as cooling sleep in cooling mode and as heating sleep in heating mode. Once sleep mode is set, the mode will not change after the unit stops for 15 minutes when it arrives Tset. 5.5 Mode conversion will be confirmed after compressor has stopped for 10 minutes. 6. Abnormal operation 6.1 When outdoor modes from the request of indoor unit conflict, the one entering firstly will take priority. 6.2 After indoor receives the ON command from wired controller, it will firstly confirm the outdoor current operation mode. If they are the same modes, indoor unit will run as the request of remote controller. If they are different modes, the system will forbid to operate, and indoor will keep the OFF mode and send the “standby” signal to wired controller until outdoor stops or outdoor mode the requested mode of wired controller are the same, the unit will run as the requested mode of wired controller. 6.3 After indoor receives the ON command from remote controller, it will firstly confirm the outdoor current operation mode. If they are the same mode, indoor unit will run as the request of remote controller. If they are different modes, the system will forbid to operate, and indoor will keep the OFF mode. After setting on remote controller, if the buzzer sounds two times, that shows abnormal operation. Indoor will run until the outdoor mode and the requested mode of remote controller are the same. 135 6.4 In AUTO mode, when the indoor unit occurs abnormal operation, the indoor unit will keep OFF state, and the buzzer will not sound until the outdoor mode and the requested mode of indoor unit are the same. 6.5 COOL (included AUTO COOL), DRY, FAN are not abnormal mode. 6.6 HEAT and FAN are not abnormal mode. 7. Control for discontinuous operation After the unit starts up in cooling/heating mode, in 5 minutes, the compressor run/stop will not be controlled by the room temp., but after changing the set temp., if compressor stop condition can be met, the system will stop compressor immediately. 8. Anti-cold air control In heating mode, after compressor startup, the system will control indoor fan motor according to indoor coil temperature. Detailed operation is as below: Tc2(℃) 30(32) set speed 26(30) low speed 22(26) off 20(20) Note: 1) The data in the parentheses is the control point when Tao>10℃; 2) Indoor unit will send “pre-heat” signal to wired controller in anti-cold air period. 9. Fan motor control in defrosting 9.1 On receiving outdoor defrosting signal, indoor unit will stop after blowing remaining heat at slow speed for 20 seconds. 9.2 In defrosting period, indoor fan motor stops running. 9.3 Defrosting is over, and indoor motor will run as anti-cold air state. 10. Blowing remaining heat operation When the unit shuts off in heating mode or the thermostat is OFF, indoor motor will stop running after running at low speed for 30 seconds. 11. Swing motor control Indoor unit will control the swing motor according to the swing signal from the wired controller. Full OFF 54º 54° Swing range Standard position HEAT, COOL mode 0° 136 in 12. Water pump control 12.1 Water pump will be electrified when indoor unit enters non-heating mode until indoor unit stops. 5 minutes later after indoor unit stops, water pump will stop. 12.2 When indoor unit is in heating mode, water pump will not operate. 12.3 In OFF state and in any mode, once float switch signal is measured, indoor unit will send OFF signal to outdoor and send the failure code of drainage system to the wired controller, then the water pump will work until the float switch signal is cancelled. After water pump is forced to run for 5 minutes, indoor unit will be back to normal state. 13. Compulsory defrosting operation 13.1 After indoor receives the compulsory defrosting signal, it will send continously the signal to outdoor for 10 times, in this period, indoor unit will work normally and it will enter defrosting operation until it receives the enter-defrost signal from outdoor unit. 13.2 Wired control type: In heating mode, make a jumper for D2 to enter compulsory defrosting. 13.3 Remote control type: In heating mode, high speed, 30℃, press SLEEP button 6 times, and the buzzer will sound 3 times, then enter the manual defrosting. 14. Trial operation 14.1 Enter condition A. Wired control type: In OFF state of COOL or HEAT mode, press ON/OFF button for over 5 seconds to enter the cooling or heating trial operation; B. Remote control type: In OFF state, keep pressing ON/OFF button until 5 seconds later, the buzzer sounds twice, then enter the cooling or heating trial operation; 14.2 Response in trial operation A. Cooling trial operation: indoor sends S-CODE=SD to outdoor, indoor: at high speed, set temp: 16℃; B. Heating trial operation: indoor sends S-CODE=SF to outdoor, indoor: at high speed, set temp: 30℃; C. In this period, anti-freezed and overheat functions are invalid. 14.3 Quit condition A. Receiving the signal of cancelling trial operation from wired controller or remote controller; B. After trial operation has run for 20 minutes, it will quit trial operation automatically and enter the normal mode with the set temp.: 24℃. 15. Timer operation 15.1 Wired control type: wired controller will control the unit ON/OFF; 15.2 Remote control type: indoor unit will confirm the unit ON or OFF according to the current clock and the timer clock set by remote controller. When setting timer function, the timer LED will be ON. 16. SLEEP function 16.1 Wired control type unit is without sleep function; 16.2 Remote control type unit consists of cooling sleep and heating sleep, after the sleep is set, the unit will change mode; the sleep will begin to count. A. In cooling/dry mode, after running for 1 hour, the set temp. will increase 1℃, another 1 hour later, the set temp. will increase 1℃ again, then 6 hours (or set time-2) later , it will stop. B. In heating mode, after running for 1 hour, the set temp. will reduce 2℃, another 1 hour later, the set temp. will reduce 2℃ again, then 3 hours later, the set temp. will increase 1℃, and another 3 hours(or set time-5), it will stop. C. When setting sleep function, indoor motor is forced at low speed. 137 17. Healthy negative ion function When receiving the healthy signal from the wired controller or remote controller, if fan motor is running, the negative ion will work; If the fan motor stops, the negative ion generator will stop. 18. Auto-restart function 18.1 Wired control type: jumper J07 at high level, auto-restart is available, if at low level, auto-restart is cancelled; when out of factory, the unit is with auto-restart function. 18.2 Remote control type: In 5 seconds, press SLEEP button(press SWING if without SLEEP button) 10 times continuously, the buzzer will sound 4 times and enter auto-restart function. In 5 seconds, press SLEEP 10 times continuously, the buzzer will sound twice and quit auto-restart function. 18.3 Memory information: ON/OFF state, mode, fan speed, set temp., health, swing position; 18.4 If the memory includes timer or sleep function, when being electrified again, timer and sleep will be cancelled; 18.5 If the memory includes auto mode, when the jumper shows cooling only type, auto mode will change to cooling mode. 19. Room card function The unit adopts room card function(220VAC input), which only make ON/OFF control. When it is connected, the unit is ON; when it is disconnected, the unit is OFF, and the other parameters will be as default or the data in memory. 19.1 When room card function is available The central control, remote control/wired control and the room card are “AND” logical relationship. On the condition that the room card is connected, the unit can be controlled by remote controller or wired controller; indoor unit will run at the set state by the central controller, remote controller or wired controller; otherwise, if room card is not connected, the unit can not be controlled. 19.2 When room card function is not available The unit will be controlled by the remote controller, the wired controller or the central controller. 138 20. Setting method of temperature compensation Tcomp A. Wired control type unit: this function is not available B. Remote control type unit: In cooling or heating mode, there is always with the temp. compensation. In heating mode: In 24℃ heating mode, press SLEEP(or SWING) button 7 times continuously within 5 seconds, indoor buzzer sounds twice, that shows temp. compensation works. Switch on the unit in heating mode by the remote controller, press TEMP button to set the set temp., so temperature compensation=the current set temp. - 24℃. For example, if the set temp. is 24℃, the temp. compensation is 0℃; if the set temp. is 25℃, the temp. compensation is 1℃. The max. compensation temp. is 6℃ (the set temp. is 30℃). If you want to cancel it, set the temp. as 24℃. In cooling mode: In 24℃ cooling mode, press SLEEP(or SWING) button 7 times continuously within 5 seconds, indoor buzzer sounds twice, that shows temp. compensation works. Switch on the unit in heating mode by the remote controller, press TEMP button to set the set temp., so temperature compensation=24℃-the current set temp. . For example, if the set temp. is 24℃, the temp. compensation is 0℃; if the set temp. is 23℃, the temp. compensation is -1℃. The max. compensation temp. is -8℃ (the set temp. is 16℃). If you want to cancel it, set the temp. as 24℃. So the temp. compensation range is +8℃~-6℃. 21. Anti-freezed protection When compressor has run for over 5 minutes, to prevent indoor evaporator freezing (in cooling/dry mode), if indoor mid-coil temp. is below -1 degree for over 5 minutes, indoor EEV will close, and compressor will stop. When indoor mid-coil temp. is over about 10 degree, the unit will be normal. 22. Overload protection in heating mode It is valid only in heating mode, if indoor mid-coil temp. is over about 65 degree continuously for 10 seconds, indoor will stop; while when indoor mid-coil temp. is below 52 degree for 3 seconds, indoor will resume. 139 6. Diagnostic code and trouble shooting 6.1.1. Diagnostic code for outdoor unit JHUJYH012BAM-A-X Code indication Indoor displaying panel code indication Indoor and Outdoor Indoor Malfunction fault description (LED1 flash times) Communication fault between indoor and E7 15 E1 -- Room temperature sensor failure E2 -- Heat-exchange sensor failure E4 -- Indoor EEPROM error E14 -- Indoor fan motor malfunction F12 1 Outdoor EEPROM error F1 2 The protection of IPM 3 Overcurrent Outdoor Malfunction Outdoor F22 outdoor units protection of AC electricity for the outdoor model Communication fault between the IPM and F3 4 F19 6 F4 8 F8 9 Outdoor DC fan motor fault F21 10 Defrost temperature sensor failure F7 11 Suction temperature sensor failure F6 12 Ambient temperature sensor failure F25 13 Discharge temperature sensor failure F11 18 deviate from the normal for the compressor F28 19 Loop of the station detect error F2 24 Overcurrent of the compressor F23 25 E9 21 outdoor PCB Power voltage is too high or low Overheat protection for Discharge temperature Overcurrent protection for single-phase of the compressor High work-intense protection 140 JHUJYH018BAM-A-X Code indication Indoor displaying panel code indication Outdoor Malfunction Outdoor fault description (LED1 flash times) F12 1 Outdoor EEPROM error F1 2 The protection of IPM 3 Overcurrent F22 protection of AC electricity for the outdoor model Communication fault between the IPM and F3 4 F19 6 Power voltage is too high or low F4 8 F8 9 Overheat protection for exhaust temperature Outdoor DC fan motor fault F21 10 Frost-removing temperature sensor failure F6 12 Ambient temperature sensor failure F25 13 Exhaust temperature sensor failure F11 18 deviate from the normal for the compressor F28 19 Loop of the station detect error F2 24 Overcurrent of the compressor F23 25 outdoor PCB Overcurrent protection for single-phase of the compressor 141 YHUJYH024BAR-A-X Flash times of LED on mainboard Trouble description Analyze and diagnose 1 Eeprom failure Outdoor main board eeprom fail 2 IPM failure IPM failure 4 Communication error between main board and spdu module SPDU Communicition error Communication fail over 4 min 5 High pressure protection System high pressure over 4.15 Mpa 6 Module over-voltage protection(only for Spdu) Module lack-voltage protection(only for Spdu) Send from Spdu module 8 Compressor discharging temperature protection Compressor discharging temperature over 110 centigrade 9 Abnomal of DC motor jam of DC motor or motor failure 10 Abnomal of pipe sensor Piping sensor short-circuit or open-circuit 12 Abnomal of outdoor ambient sensor Outdoor ambient sensor short-circuit or open-circuit 13 Abnormal of compressor dischage sensor Compressor discharging sensor short-circuit or open-circuit 15 Communication error between indoor and outdoor unit Communication fail over 4 min 16 Lack of refrigerant check if there is leakage in the unit 17 4-way valve reverse failure Alarm and stop if detect Td-Tci<=15 last for 1min after compressor has started for 10min in heating mode, confirm the failure if it appears 3 times in one hour. 18 Compressor jam (ony for spdu ) Inner compressor is abnormal jamed 19 Module EEV select circuit error Module EEV select wrong circuit 25 Compressor U-phase over-current The current of compressor U-phase is too high 25 Compressor V-phase over-current The current of compressor V-phase is too high 25 Compressor W-phase over-current The current of compressor W-phase is too high 45 Low pressure protection System over pressure under 0.05Mpa 142 YHUJYH024BAR-A-X YHUJYH028BAR-A-X YHUJYH036BAR-A-X YHUJYH048BAR-A-X YHUJYH048BAS-A-X YHUJYH060BAS-A-X Malfunction Code PRODUCT DIAGNOSIS PROCEDURE Analyze and diagnose Trouble Description Remark Non-resumable EEPROM faulty Over current protection in course of If it occurs 3 times in 1 hour, confirm the failure, the former twice will Non-resumable compressor frequency going down not alarm resumable detected by software protection of over current in course Module abnormal, if it occurs 3 times in 1 hour, confirm the failure of compressor fixed speed operation Communication abnormal between It can not get the feedback from module after communicating for 4 connecting board and module minutes If it occurs 3 times in 1 hour, confirm the failure, the former Compressor overcurrent twice will not alarm If it occurs 3 times in 1 hour, confirm the failure, the former twice will Compressor blocked or abnormal not alarm operation Protection of discharging temp. too After compressor starts up, if TD is over 115 , 10 seconds later compressor stops, if it occurs 3 times in 1 hour, confirm the failure high If it occurs 3 times in 1 hour, confirm the failure, the former DC fan motor faulty twice will not alarm Outdoor defrosting temp. sensor abnormal Sensor is detected below 20 or over 1000 for 60 seconds, but in cooling mode,this sensor failure will not be dealt with,and in defrosting or within 6 minutes after defrosting,it will not alarm. Non-resumable resumable Non-resumable Non-resumable Non-resumable Non-resumable resumable Suction temp.sensor abnormal If it occurs 3 times in 1 hour, confirm the failure, the former twice will resumable not alarm Sensor is detected below 20 or over 1000 for 60 seconds, but in Ambient temp. sensor abnormal resumable frosting or within 6 minutes after defrosting, it will not alarm resumable Discharging temp. sensor abnormal After compressor running for 3 minutes, Sensor is detected below 20 or over 1000 for 60 seconds communication between indoor Indoor unit can not be inspected for 4 minutes continuously resumable and outdoor abnormal Lack of refrigerant or discharging Non-resumable If it occurs 3 times in 1 hour, confirm the failure. pipe blocked 4-way vavle converse abnormal If it occurs 3 times in 1 hour, confirm the failure. Over current in course of compressor frequency going down If it occurs 3 times in 1 hour, confirm the failure, the former twice will Non-resumable not alarm Over current protection in course of compressor fixed speed operation detected by software Module temp. too high or module temp.sensor abnormal Over current protection in course of compressor frequency going up down detected by software Without connection to compressor High voltage protection for module Low voltage protection for module Communication abnormal among modules Mid-condenser temp. sensor abnormal Low pressure switch abnormal High pressure switch abnormal Non-resumable If it occurs 3 times in 1 hour, confirm the failure, the former twice will Non-resumable not alarm If it occurs 3 times in 1 hour, confirm the failure, the former twice will Non-resumable not alarm If it occurs 3 times in 1 hour, confirm the failure, the former twice will Non-resumable not alarm If it occurs 3 times in 1 hour, confirm the failure, the former twice will Non-resumable not alarm From moudle board resumable From module board It can not detect the input signal for 2 minutes Sensor is detected below 20 or over 1000 for 60 seconds, but in defrosting or within 6 minutes after defrosting, it will not alarm After compressor running for 3 minutes, if switch is detected unconnected for 30seconds, it alarms, if it occurs 3 times in 1 hour, confirm this failure, if it occurs 3 times in 1 hour, confirm the failure, but in defrosting or within 6 minutes after defrosting, it will not alarm resumable Non-resumable resumable Non-resumable After compressor running for 3 minutes, if switch is detected unconnected for 30seconds, it alarms, if it occurs 3 times in 1 hour, confirm Non-resumable this failure, or if Tcm is over 68 degree for 10 seconds for 3 times Note: The flash times of outdoor mainboard(ECU) LED1 indicates the malfuction code. for example, LED1 flash 3 times, the malfuction code is 3. The flash times or malfuction code of indoor unit can also indictes the malfuction code too.the method to confirm please refer to indoor unit manul. 143 6.1.2. Diagnostic code for indoor unit Flash times of Timing LED(or indoor PCB LED4) Flash times of Running LED(or indoor PCB LED3) Failure Failure code(from code(from panel wired controller) controller ) Temperature sensor Te faulty EEPROM WRONG E9 Abnormal communication between indoor and outdoor units Wrong connection,or the wires be disconected,or wrong address setting of indoor unit,or faulty power supply or faulty PCB E8 Abnormal communication between indoor wired controller and indoor unit PCB Abnormal communication between indoor wired controller and indoor unit PCB Drainage system abnormal 1 01 E1 0 2 02 E2 0 4 04 F8 0 7 07 8 NO EEROR CODE DISPLAY 0 12 0C E0 0 13 OD EF 0 14 0E / Temperature sensor Ta faulty Possible reasons Sensor disconected,or broken,or at wrong position,or short circuit Sensor disconected,or broken,or at wrong position,or short circuit Faulty indoor unit PCB 0 0 trouble shooting Pump motor disconnected,or at wrong position,or the float switch broken down,or the float switch disconected,or at wrong position. Zero cross sigal wrong Zero cross sigal detected wrong Indoor unit DC fan motor abnormal DC fan motor disconnected,or DC fan motor broken,or circuit broken 0 16 10 F3 Indoor mode abnormal Different from outdoor unit mode 2 1 15 / Outdoor unit abnormal 2 2 16 / Outdoor unit abnormal 2 4 18 / Outdoor unit abnormal 2 5 19 / Outdoor unit abnormal 2 7 1B / Outdoor unit abnormal 2 8 1C / Outdoor unit abnormal 2 9 1D / Outdoor unit abnormal 3 0 1E / Outdoor unit abnormal 3 1 1F / Outdoor unit abnormal 3 2 20 / Outdoor unit abnormal 3 3 21 / Outdoor unit abnormal 3 5 23 / Outdoor unit abnormal Refer to the outdoor unit trouble shooting 3 6 24 / Outdoor unit abnormal list 3 7 25 / Outdoor unit abnormal 3 8 26 / Outdoor unit abnormal 3 9 27 / Outdoor unit abnormal 4 3 2B / Outdoor unit abnormal 4 4 2C / Outdoor unit abnormal 4 7 2F / Outdoor unit abnormal 4 8 30 / Outdoor unit abnormal 4 9 31 / Outdoor unit abnormal 5 8 3A / Outdoor unit abnormal 5 9 3B / Outdoor unit abnormal 6 3 3F / Outdoor unit abnormal 6 4 40 / Outdoor unit abnormal 1.. For the indoor failu ,only running LED ON remote receiver will indicate. 2.. For the outdoor failu ,timer LED and running LED will indicate.timer LED of remote receiver stands for ten's place,and running LED stands for one's place.timer LED will flash firstly,2 seconds later,running LED will flash too. Afer that,4 seconds later,they will flash in turns again.Flash times equals to the failure code of outdoor plus 20.For example,failure code of outdoor is 2,the indoor unit should display 22.As a result,timer LED flashes twice firstly,then running LED flashes twice. 3.To get much more details of outdoor unit failure,Please refer to the the outdoor unit trouble shooting list 144 6.2. Trouble Shooting: Trouble 1: No display on the operation panel start check if display panel and the unit matched well no replace display panel and check again yes if the red diode and green diode on indoor PCB flash in turn no if the power terminal block is 220V input yes no PCB is faulty, replace it no yes check if display panel is 12V power supply check if power wiring is in open circuit yes no yes display panel circuit is damaged, replace it replace power wiring and check again Trouble 2: Sensor failure start as per the wiring diagram,check the connection between sensor and PCB is correct no re-fix the sensor and check again yes check if sensor is in open circuit or PCB port is not in good condition yes replace sensor and check again no check the terminal block and the power supply check if sensor resistor value is correct no replace sensor and check again yes PCB is faulty and repalce it, check again 145 check if fuse is burnt yes replace the fuse and check again no PCB is faulty, replace Trouble 3: Communication failure between indoor and outdoor start as per the wiring diagram, check if communication wiring is correct no re-wiring, and check again yes check if the communication port connecting to the indoor/outdoor PCB is in open circuit no if the power cable and the communication wire are too close, resulting in the wrong commission data no PCB is faulty, replace and check again yes yes adjust the distance and check again replace the communication connection wire, check again Trouble 4: Indoor PCB EEPROM data is wrong 1.If the failure occurs when being electrified for the first time, that shows EEPROM (8-bit pin) not fixed firmly or damaged. 2.If the failure occurs when running, that shows EEPROM is faulty and need to be replaced. Trouble 5: Indoor repeated unit number Trouble 5: Outdoor unit failure Check the failure code on outdoor indicator board (5-lamp) Trouble 6: Outdoor unit alarms sensor failure start as per the wiring diagram, check if connection port between sensor and PCB is correct no re-fix the sensor and check again yes check if the sensor is in open circuit or the connection port to PCB is in good condition yes replace sensor and check again no check if the sensor resistor value is correct no yes PCB is faulty and repalce it, check again 146 replace sensor and check again Trouble 7: AC current over current protection or current transducer damaged, or compressor blocked rotor, compressor great vibration, compressor abnormal startup, state detecting curcuit abnormal or compressor damaged. The former twice failure can be resumed automatically, if outdoor board occurs this failure always, and can not be resumed for a long time, that shows: 1. Power module (SPDU) damaged, please replace the power module, then re-wiring as per the wiring diagram (70% possibility) 2. Short circuit in power board results in the power module damaged (15% possibility) 3. Damaged compressor results in this failure (10% possibility) 4. Main control board is faulty, replace it (5% possibility) Trouble 10: High pressure failure Reasons: 1. Over high system pressure results that the unit stop, and the compressor protection will work. The failure can be resumed. 2. Pressure switch wire is not fixed well or in open circuit. start check if the connector between pressure switch and PCB is fixed badly or damaged yes replace pressure switch connector, shut off and be electrified again, re-check no check if the 2 straight lugs on the pressure switch are in good condition no yes if outdoor fan motor cannot startup normally in cooling mode no replace main control board and check again yes replace pressure switch connector, shut off and be electrified again, re-check check if the outdoor motor has power input 147 no replace outdoor motor and check again 7. Outdoor performance curves YHUJYH024BAR-A-X cooling capacity curves 8.00 Capacity(KW) 7.00 18/12 20/14.5 22/16 25/18 27/19 30/22 32/23 6.00 5.00 4.00 3.00 2.00 10/6 21/15 25/18 32/20 38/24 Outdoor DB(℃) 43/26 46/26 53/32 YHUJYH024BAR-A-X heating capacity curves 8.50 8.00 16/10 18/12 20/14.5 22/16 24/17 26/18 Capacity (KW) 7.50 7.00 6.50 6.00 5.50 5.00 -7/-8 -5/-6 2/1.5 7/6 11/9 Ourdoor DB(℃) 148 16/12 19/15 24/18 YHUJYH028BAR-A-X Heating capacity curves 12000 -6/-7 Heating capacity (W) 11000 -4/-5 -1/-2 10000 1/0 9000 6/5 8000 7/6 12/10 7000 16/15 6000 5000 4000 16/10 18/12 20/14.5 21/15 22/16 24/17 26/18 indoor DB/WB Cooling capacity curves 10000 Cooling capacity (W) 9000 8000 -5 7000 25 20 6000 32 5000 40 35 4000 3000 18/12 20/14 22/16 25/18 indoor DB/WB 149 27/19 30/22 32/24 YHUJYH036BAR-A-X YHUJYH036BAR-A-X heating capacity curves -6/-7 heating capacity -6/-7 power input -4/-5 heating capacity -4/-5 power input 0/-1 heating capacity 0/-1 power input 13000 12500 12000 11500 11000 10500 10000 9500 9000 8500 8000 7500 7000 6500 6000 5500 5000 4500 4000 3500 3000 2500 2000 1500 1000 500 0 2/1 heating capacity 2/1 power input 6/5 heating capacity 6/5 power input 7/6 heating capacity 7/6 power input 16/10 18/12 20/14.5 21/15 22/16 24/17 26/18 indoor WB/DB 12/10 heating capacity 12/10 power input 16/15 heating capacity 16/15 power input 43 cooling capacity(W)/power input(W) YHUJYH036BAR-A-X cooling capacity curves 13000 12500 12000 11500 11000 10500 10000 9500 9000 8500 8000 7500 7000 6500 6000 5500 5000 4500 4000 3500 3000 2500 2000 1500 1000 500 0 20 cooling capacity 20 power input 25 cooling capacity 25 power input 32 cooling capacity 32 power input 35 cooling capacity 35 power input 40 cooling capacity 40 power input 12/18 14/20 16/22 18/25 indoor WB/DB 150 19/27 22/30 24/32 YHUJYH048BAS-A-X heating capacity curves 18000 ‐6/‐7 heating capacity ‐6/‐7 power input ‐4/‐5 heating capacity ‐4/‐5 power input ‐1/‐2 heating capacity ‐1/‐2 power input 1/0 heating capacity 1/0 power input 17000 16000 15000 14000 13000 12000 11000 10000 9000 8000 6/5 heating capacity 6/5 power input 7000 6000 7/6 heating capacity 7/6 power input 5000 4000 3000 2000 1000 0 16/10 18/12 20/14.5 21/15 indoor WB/DB 22/16 24/17 26/18 12/10 heating capacity 12/10 power input 27/18 heating capacity 27/18 power input YHUJYH048BAS-A-X cooling capacity curves 16000 20/15 cooling capacity 15000 14000 20/15 power input 13000 25/18 cooling capacity 12000 11000 25/18 power input 10000 9000 32/23 cooling capacity 8000 7000 32/23 power input 6000 5000 35/24 cooling capacity 4000 3000 35/24 power input 2000 1000 40/26 cooling capacity 0 18/12 20/14 22/16 25/18 27/19 indoor WB/DB 151 30/22 32/23 40/26 power input YHUJYH060BAS-A-X cooling capacity curves 19000 ‐6/‐7 heating capacity ‐6/‐7 power input ‐4/‐5 heating capacity ‐4/‐5 power input ‐1/‐2 heating capacity ‐1/‐2 power input 1/0 heating capacity 1/0 power input 18000 17000 16000 15000 14000 13000 12000 11000 10000 9000 6/5 heating capacity 6/5 power input 8000 7000 6000 7/6 heating capacity 7/6 power input 5000 4000 3000 2000 1000 0 16/10 18/12 20/14.5 21/15 22/16 Outdoor DB(℃) 24/17 26/18 YHUJYH060BAS-A-X heating capacity curves 17000 12/10 heating capacity 12/10 power input 27/18 heating capacity 27/18 power input 20/15 cooling capacity 16000 15000 20/15 power input 14000 13000 25/18 cooling capacity 12000 11000 25/18 power input 10000 9000 32/23 cooling capacity 8000 7000 32/23 power input 6000 5000 35/24 cooling capacity 4000 3000 35/24 power input 2000 1000 40/26 cooling capacity 0 18/12 20/14 22/16 25/18 27/19 Ourdoor DB(℃) 152 30/22 32/23 40/26 power input 8. Indoor air velocity and temperature distribution curves 8.1 AB a. Cooling / Air Velocity Distribution Cooling Blowy angle:25 Air Velocity Distribution PV PV b. Cooling / Temperature Distribution Cooling Blowy angle:25 Temperature Distribution 153 8.2 For AC a. Cooling / Air Velocity Distribution Cooling Blowy angle:25 Air Velocity Distribution 0.5m/s 1.0m/s 1.5m/s b. Cooling / Temperature Distribution Cooling Blowy angle:25 Temperature Distribution 154 9. Air flow and static pressure chart YHEJXH028/036BAR--GX external static pressure curves 2400 2300 2200 2100 2000 super high speed 1900 high speed 1800 middle speed 1700 low speed 1600 1500 1400 1300 1200 0 10 20 30 40 50 60 70 80 90 100 external static pressure External static pressure(Pa) 100 YHDJXH024BAR--GX external static pressure curves 90 80 1 70 2 60 50 40 30 3 20 high speed m id speed low speed 1 2 3 10 0 3 0 200 400 600 800 1000 1200 1400 1600 1800 2000 155 Air flow(m /h) External static pressure ( Pa ) 140 YHGJXH048BAR--GX external static pressure curves 1 130 120 110 100 2 90 80 70 3 60 high speed 1 2 3 m id speed low speed 50 40 3 0 300 600 900 1200 1500 1800 2100 2400 2700 3000 156 Air flow ( m /h ) 10. Noise level a. Casset type indoor unit .7/ V`nodib dggpnom\o`@ .8/ V`nodib ^ji_dodji@ \4 Wido mpiidib di oc` ijhdi\g ^ji_dodji ]4 V`no di oc` n`hd3\i`^cjd^ ^c\h]`m ^4 Pjdn` g`q`g q\md`n amjh oc` \^op\g a\^ojmn np^c \n mjjh nomp^opm`2 `o^4 (3) Test method According to the testing illustrator, the microphones wearing sponge style cover should be placed in the right position 157 158 Sound pressure level DB 53 50 47 44 41 38 35 32 29 26 23 20 17 14 11 8 25 25 .5 31 .5 31 40 40 50 50 63 63 80 80 0 10 0 10 5 12 5 12 0 16 0 16 0 20 0 20 0 25 0 25 5 31 5 31 0 50 0 63 8 00 250 600 000 500 150 000 000 300 000 000 500 000 000 10 1 1 2 2 3 4 5 6 8 10 12 160 20 0 50 0 63 8 00 250 600 000 500 150 000 000 300 000 000 500 000 000 10 1 1 2 2 3 4 5 6 8 10 12 160 20 Third octave band frequency Hz 0 40 00 Noise level-YHKJXH028BAR--FX Third octave band frequency Hz 0 40 00 Noise level-YHKJXH024BAR--FX heating low fan high fan middle fan low cooling high cooling middle cooling low heating high heating middle heating low fan high fan middle fan low cooling high cooling middle cooling low heating high heating middle 159 Sound pressure level DB 10 13 16 19 22 25 28 31 .5 31 40 50 63 80 0 10 5 12 0 16 0 20 0 25 5 31 0 40 0 50 0 63 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 80 100 125 160 200 250 315 400 500 630 800 000 250 000 000 1 1 2 16 0 10 20 30 40 50 60 25 40 63 0 10 0 16 0 40 0 63 00 10 00 16 00 25 third octave band frequency Hz 0 25 00 40 Noise level-YHKJXH048BAR--FX Third octave band frequency Hz 00 63 00 10 0 00 16 0 cooling high cooling med cooling low heating high heating med heating low fan high fan med fan low fan high fan middle fan low cooling high cooling middle heating high cooling low 37 34 heating low heating middle 25 Noise level-YHKJXH036BAR--FX 40 43 46 49 52 sound pressure level DB 160 Sound pressure level DB .5 31 40 50 63 80 0 10 5 12 0 16 0 20 0 25 5 31 0 40 0 50 0 63 0 0 0 0 0 0 0 0 0 0 0 0 00 00 00 80 100 125 160 200 250 315 400 500 630 800 000 51 0 00 2 0 1 2 1 6 8 12 16 20 24 28 32 Third octave band frequency Hz cooling low fan high fan middle fan low cooling high cooling middle heating high 40 36 heating middle heating low 44 25 Noise level-YHKJXH060BAR--FX 48 52 56 60 64 b. Convertible type indoor unit ,2- PYgh]b[ ]``ighfUhY; ,3- PYgh]b[ WcbX]h]cb; U0 Qb]h fibb]b[ ]b h\Y bca]bU` WcbX]h]cb V0 PYgh ]b h\Y gYa]/UbYW\c]W W\UaVYf W0 Jc]gY `YjY` jUf]Yg Zfca h\Y UWhiU` ZUWhcfg giW\ Ug fcca ghfiWhifY. YhW0 (3) Test method According to the testing illustrator, the microphones wearing sponge style cover should be placed in the right position 161 162 Sound pressure level DB Sound pressure level DB .0 50 .0 63 .0 .0 80 80 10 0. 0 10 0 5. 12 5 12 0 0. 16 0 16 0 0. 20 0 20 0 25 0. 0 25 0 5. 31 5 31 0 0 50 0. 40 0 0. 50 0 0. 63 0 63 0 00 20 00 25 50 31 00 40 00 50 00 63 00 80 0 00 10 0. 80 0 00 10 .0 50 12 .0 00 16 .0 00 20 .0 00 25 .0 50 31 .0 . 00 40 0 . 00 50 0 . 00 63 0 0 01 00 80 00 .0 0 1. 00 60 0 2. 00 00 .0 0 10 0 00 50 00 60 20 00 25 12 0 1. 1/3 octave band noise level-YHFJXH024BAR--FX 0 80 00 50 00 10 12 16 Third octave band frequency Hz 0 40 8.0 18.0 13.0 23.0 third octave band frequency Hz fa n m ed heating low heating med heating high fan low fan high cooling med 40 63 cooling low .5 50 33.0 28.0 31 40 cooling high .0 .5 31 fan high fan middle fan low cooling high cooling middle cooling low heating high heating middle heating low 38.0 25 25 Noise level-YHFJXH028/036BAR--FX 48.0 43.0 53.0 10 15 20 25 30 35 40 45 50 163 Sound pressure level DB 10 15 20 25 30 35 40 45 50 55 25 sound pressure level DB .5 31 0 10 20 30 40 50 60 40 25 50 40 63 80 63 0 10 0 5 12 10 0 16 0 0 20 16 0 25 0 40 0 63 0 10 00 16 00 25 00 5 31 0 50 0 63 0 80 00 10 50 12 00 16 Third octave band frequency Hz 0 40 00 20 00 25 Noise level-YHFJXH060BAR--FX third octave band frequency Hz 25 40 00 50 31 40 00 50 00 00 63 Noise level-YHFJXH048BAR--FX 63 00 10 80 0 00 00 10 0 00 0 0 00 50 000 00 0 2 6 00 1 12 16 cooling high cooling med cooling low heating high heating med heating low fan high fan med fan low heating low heating middle heating high cooling low cooling middle cooling high fan low fan middle fan high -64 c. Duct type indoor unit -6. T_mncha cffomnl[n_? Bcl ionf_n ^o]n Bcl chf_n -7. T_mncha ]ih^cncih? [3 Uhcn lohhcha ch nb_ higch[f ]ih^cncih \3 T_mn ch nb_ m_gc2[h_]bic] ]b[g\_l ]3 Nicm_ f_p_f p[lc_m `lig nb_ []no[f `[]nilm mo]b [m liig mnlo]nol_1 _n]3 (3) Test method According to the testing illustrator, the microphones wearing sponge style cover should be placed in the right position 164 165 Sound pressure level DB 15 19 23 27 31 35 39 43 47 51 55 59 25 25 .0 63 31 .5 .5 31 40 .0 40 50 .0 50 63 .0 63 80 .0 10 0. 0 80 0 0 10 5 12 12 5. 0 0 16 16 0. 0 0 20 20 0. 0 0 25 25 0. 1/3 octave band noise level-YHDJXH024BAR--GX 0 5 31 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 40 50 63 80 100 125 160 200 250 315 400 500 630 800 000 250 000 000 1 1 2 6 1 Third octave band frequency Hz Noise level--YHEJXH028/036BAR--GX third octave band frequency Hz 31 5. 0 40 0. 53.0 48.0 43.0 38.0 33.0 28.0 23.0 18.0 13.0 8.0 Sound pressure level DB 50 0. 0 63 0. 0 80 0. 0 10 00 .0 12 50 .0 16 00 .0 20 00 .0 25 00 .0 31 50 .0 40 00 .0 50 00 .0 63 00 .0 80 00 .0 1 0 00 0. 12 0 50 0. 16 0 00 0. 20 0 00 0. 0 fan middle super cooling high fan low cooling high cooling middle super heating high cooling low heating high heating middle heating low heating med heating low heating super high heating high fan low fan high fan med cooling med cooling low fan super high cooling super high cooling high 166 Sound pressure level DB 58.0 53.0 48.0 43.0 38.0 33.0 28.0 23.0 18.0 13.0 8.0 .0 25 .5 31 .0 40 6 0 5 0 4 0 3 0 2 0 1 00 .0 63 sound pressure level DB .0 50 40 63 10 0 0 0 40 0 63 0 10 00 16 00 25 00 40 third octave band frequency Hz 25 00 1/3 octave band noise level-YHGJXH060BAR--GX 16 63 00 0 10 00 0 16 00 third octave band frequencythird Hzoctave band frequency Hz 0 0 0 0 .0 .2 .1 .1 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .0 .1 .0 .0 .0 .0 .0 .0 .0 .0 .0 80 100 125 160 200 250 315 400 500 630 800 000 250 600 000 500 150 000 000 300 000 000 500 000 000 0 6 2 0 8 6 4 5 3 2 2 1 1 1 25 Noise level-YHGJXH048BAR--GX cooling high cooling med cooling low fan high fan med fan low heating high heating med heating low cooling high cooling med cooling low heating high heating med heating low fan high fan med fan low 29 .7/ Wbpqfkd fiirpqo^qflk@ 7j .8/ Wbpqfkd `lkafqflk@ ^4 Xkfq orkkfkd fk qeb kljfk^i `lkafqflk _4 Wbpq fk qeb pbjf3^kb`elf` `e^j_bo `4 Qlfpb ibsbi s^ofbp colj qeb ^`qr^i c^`qlop pr`e ^p ollj pqor`qrob2 bq`4 .9/ Test method 1. Set the unit: 1) the unit is placed on the rubber whose thickness is 5mm; 2) if the height between the air outlet and ground is less than 1m, block the unit up to 1m.far from ground 2. Test position: After setting the unit ,the test position for the noise is 1m far from the front panel 167 168 70 65 60 55 50 45 40 35 30 25 20 15 10 5 70 65 60 55 50 45 40 35 30 25 20 15 10 5 .0 25 sound pressure level DB sound pressure level DB Sound pressure level DB 48 .0 25 .5 31 60.0 55.0 50.0 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 .5 31 .0 40 .0 40 .0 50 .0 50 .0 63 .0 63 .0 80 .0 80 0 0. 10 0 0. 10 0 5. 12 0 5. 12 0 0. 16 0 0. 16 0 0. 20 0 0. 20 0 0. 25 0 0. 25 0 5. 31 0 5. 31 0 0. 50 0 0. 63 0 0. 80 .0 00 10 .0 50 12 .0 00 16 .0 00 20 .0 00 25 .0 50 31 0 0. 50 0 0. 63 0 0. 80 .0 00 10 .0 50 12 .0 00 16 third octave band frequency Hz 0 0. 40 .0 00 20 .0 00 25 .0 50 31 .0 00 40 1/3 octave band noise level-YHUJYH036BAR-A-X third octave band frequency Hz 0 0. 40 .0 00 50 .0 00 40 1/3 octave band noise level- 1YHUJYH028BAR-A-X third octave band frequency Hz .0 00 63 .0 00 50 0 0 0 0 0 0 .0 0 .5 0 .0 0 .0 0 .0 0 .0 0 .0 0 .0 0 .0 0 .0 0 .0 0 .0 .0 25 31 40 50 63 80 100 125 160 200 250 315 400 500. 630. 800. 000. 250. 600. 000. 500. 150. 000. 000. 300. 000. 000 . 500 . 000 . 000 . 1 1 1 2 2 3 4 5 6 8 10 12 16 20 noise level-YHUJYH024BAR-A-X .0 00 80 .0 00 63 0 10 .0 00 5 12 .0 00 0 16 .0 00 0 20 .0 00 0 0 0 0 .0 0. 0. 0. 0. 00 00 00 50 00 80 20 10 12 16 heating low heating med heating high fan low fan med fan high cooling low cooling med cooling high heating low heating med heating high fan low fan med fan high cooling low cooling med cooling high heating/105Hz/rate 830r/min heating/96Hz/rate 830r/min heating/110Hz/rate 830r/min cooling/105Hz/rate 830r/min cooling/98Hz/rate 830r/min cooling/106Hz/rate 830r/min cooling/110Hz/rate 830r/min 169 78 74 70 66 62 58 54 50 46 42 38 34 30 26 22 18 14 10 6 2 sound pressure level DB sound pressure level DB 0 10 20 30 40 50 60 70 80 2 5 3 1 .5 40 50 63 80 10 0 12 5 16 0 20 0 25 third octave band frequency Hz noise level-YHUJYH060BAS-A-X 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 0 63 40 80 100 125 160 200 250 315 400 500 630 800 000 250 600 000 50 31 1 1 2 1 third octave band frequency Hz 0 1/3 octave band level-1YHUJYH048BAS-A-X heating high cooling high cooling high cooling med cooling low heating high heating med heating low 11. Sensor characteristic 1. Sensor characteristic model YHUJYH028/36 BAR-A-X name Outdoor ambient temperature sensor Defrost temperature sensor YHUJYH048B Discharge temperature sensor AR-A-X YHUJYH048B Suction sensor S ti temperature t t AS-A-X YHUJYH060B Piping temperature sensor AS-A-X Suction temperature sensor YHUJYH024BAR-A-X Discharge temperature sensor Defrost temperature sensor Outdoor ambient temperature sensor YHKJXH028BAR--FX YHKJXH036BAR--FX YHKJXH048BAR--FX YHKJXH060BAR--FX YHFJXH012BAM--FX YHFJXH018BAM--FX YHFJXH024BAR--FX YHFJXH028BAR--FX YHFJXH036BAR--FX YHFJXH048BAR--FX YHFJXH060BAR--FX YHDJXH012BAM--GX YHDJXH018BAM--GX YHDJXH024BAR--GX YHEJXH024BAR--GX YHEJXH028BAR--GX YHEJXH036BAR--GX YHGJXH048BAR--GX YHEJXH048BAR--GX YHGJXH060BAR--GX code characteristic R25℃=10KΩ±3% B25/50=3700K±3% R25℃=10KΩ±3% 0010450194 B25/50=3700K±3% R80℃=50KΩ±3% 0010451303 B25/50=4450K±3% R25=10KΩ±3%, 0010451307 B25/50=3700K±3% R25=10KΩ±3%, 0010451329 B25/50=3700K±3% R25=10KΩ±3%, 001A3900062E B25/50=3700K±3% R25=50KΩ±3%, 001A3900056 B25/50=3700K±3% R25=10KΩ±3%, 0010450194 B25/50=3700K±3% R25=10KΩ±3%, 001A3800082E B25/50=3700K±3% 0010450192 Indoor ambient temperature sensor 001A3900159 R25=23KΩ±2.5%, R25 23KΩ 2 5% B25/50=4200K±3% coil temp. sensor 001A3900006 R25=10KΩ±3%, B25/50=3700K±3% 170 171 ISbdc S_V Ae_Ud[`_c BQY[`Q O[Z`^[XXQ^ <[MPUZS [R `TQ NM``Q^e BQY[bQ `TQ NM``Q^e O[bQ^, <[MP `TQ NM``Q^UQ_ M_ UXXa_`^M`QPtx Bsvy NM``Q^UQ_r ^Q_Q``UZS WQenOeXUZPQ^o, 2Q _a^Q `TM` `TQ X[MPUZS U_ UZ XUZQ cU`T `TQ lqnmlq <[MP `TQ NM``Q^er `TQZ \a` [Z `TQ O[bQ^ MSMUZt >[`Q+ DTQ PU_`MZOQ NQ`cQQZ `TQ _USZMX `^MZ_YU__U[Z TQMP MZP `TQ ^QOQUbQ^ T[XQ _T[aXP NQ cU`TUZ }Y cU`T[a` MZe [N_`MOXQ M_ cQXXt GTQZ QXQO`^[ZUOs_`M^`QP `e\Q RXa[^Q_OQZ` XMY\ [^ OTMZSQs[bQ^ cU^QXQ__ `QXQ\T[ZQ U_ UZ_`MXXQP UZ `TQ `e\Q RXa[^Q_OQZ` XMY\ [^ ^[[Yr `TQ ^QOQUbQ^ U_ M\` `[ NQ PU_`a^NQP UZ ^QOQUbUZS `TQ _USZMX_r_[ `TQ PU_`MZOQ `[ `TQ UZP[[^ aZU` _T[aXP NQ _T[^`Q^t 6aXX PU_\XMe [^ aZOXQM^ PU_\XMe Pa^UZS [\Q^M`U[Z UZPUOM`Q_ `TQ NM``Q^UQ_ TMbQ NQQZ a_QP a\t 9R `TQ ^QY[`Q O[Z`^[XXQ^ OMZm` ^aZ Z[^YMXXe Pa^UZS [\Q^M`U[Zr\XQM_Q ^QY[bQ `TQ NM``Q^UQ_ MZP ^QX[MP _QbQ^MX YUZa`Q_ XM`Q^t wt3?45 2a``[Z E_QP `[ _QXQO` 3?45 1 [^ 2 cTUOT cUXX NQ PU_\XMeQP [Z <34t@XQM_Q _QXQO` 1 cU`T[a` _\QOUMX Qd\XMZM`U[Zt xt<978D 2a``[Z 3[Z`^[X `TQ XUST`QZUZS MZP Qd`UZSaU_TUZS [R `TQ UZP[[^ <54 PU_\XMe N[M^Pt ytD9=5B 2a``[Z zt3<?3; 2a``[Z {tC<55@ 2a``[Z |tD9=5 2a``[Z }t=?45 2a``[Z ~t?>u?66 2a``[Z *tD9=5B ?> 4U_\XMe wvt61> C@554 4U_\XMe wwt<?3; 4U_\XMe wxtCG9>7 4U_\XMe wytC<55@ 4U_\XMe wzt?\Q^M`U[Z =?45 4U_\XMe w{tC97>1< C5>49>7 4U_\XMe w|t@?G5BuC?6D 4U_\XMe w}tD5=@ 4U_\XMe w~tD9=5B ?66 4U_\XMe w*t3<?3; 4U_\XMe xvtD5=@ 2a``[Z xwt61> C@554 2a``[Z xxtCG9>7 2a``[Z xyt851<D8 19B6<?G 2a``[Z xzt@?G5BuC?6D 2a``[Z x{tC5D 2a``[Z 8UZ`+ BQY[bQ `TQ NM``Q^UQ_ UZ OM_Q aZU` c[Zm` NQ UZ a_MSQ R[^ M X[ZS \Q^U[Pt9R `TQ^Q M^Q MZe PU_\XMe MR`Q^ `MWUZSs[a`r Va_` ZQQP `[ \^Q__ ^Q_Q` WQet 6=K@ ;I@J=LCHG x|t<?3; 2a``[Z 9R \^Q__QPr`TQ [`TQ^ Na``[Z_ cUXX NQ PU_MNXQPt@^Q__ U` [ZOQ MSMUZr X[OW cUXX NQ OMZOQXXQPt x}tB5C5D 2a``[Z GTQZ `TQ ^QY[`Q O[Z`^[XXQ^ M\\QM^_ MNZ[^YMXra_Q M _TM^\ \[UZ`QP M^`UOXQ `[ \^Q__ `TU_ Na``[Z `[ ^Q_Q` `TQ ^QY[`Q O[Z`^[XXQ^ Z[^YMXt 10 M_[d cdSbd @^Q__ ?>u?66 [Z `TQ ^QY[`Q O[Z`^[XXQ^r aZU` _`M^`_ 20 KW]WUd `aWbSd[`_ ^`VW @^Q__ =?45 Na``[Zt 6[^ QMOT \^Q__r [\Q^M`U[Z Y[PQ OTMZSQ_ M_ R[XX[c_+ BQY[`Q O[Z`^[XXQ^+ >?D5+ 3[[XUZS [ZXe aZU` P[ Z[` TMbQ PU_\XMe_ MZP RaZO`U[Z_ ^QXM`QP cU`T TQM`UZSt 9R `TQ aZU` cTUOT e[a \a^OTM_QP TM_ TQMX`Te RaZO`U[Zr R[XX[c U`t 9R Z[`r \XQM_Q USZ[^Qt 172 HaWbSd[`_ 30 LW^aWbSdebW cWdd[_Y @^Q__ D5=@q u D5=@s Na``[Zt HaWbSd[`_ F`VW D5=@q 5bQ^e `UYQ `TQ Na``[Z U_ \^Q__QPr `QY\t_Q``UZS UZO^QM_Q_ w 3, UR WQ\` PQ\^Q__QPr U` cUXX UZO^QM_Q ^M\UPXet w T[a^_ MR`Q^ C<55@ Y[PQ _`M^`_r `QY\t cUXX NQO[YQ w 3 TUSTQ^ `TMZ `QY\t _Q``UZSt 1R`Q^ MZ[`TQ^ w T[a^_r `QY\t ^U_Q_ Ne w 3 Ra`TQ^t DTQ aZU` cUXX ^aZ R[^ Ra^`TQ^ | T[a^_ `TQZ _`[\_t DQY\t U_ TUSTQ^ `TMZ `QY\t _Q``UZS _[ `TM` ^[[Y `QY\Q^M`a^Q c[Z NQ `[[ X[c R[^ e[a^ _XQQ\t 10 D_ >HHE. ?JP ^`VW D5=@s 5bQ^e `UYQ `TQ Na``[Z U_ \^Q__QPr `QY\t_Q``UZS PQO^QM_Q_ w 3, UR WQ\` PQ\^Q__QPr U` cUXX PQO^QM_Q ^M\UPXet 40 AS_ caWWV cW]WUd[`_ @^Q__ 61> C@554 Na``[Zt 6[^ QMOT \^Q__r RMZ _\QQP OTMZSQ_ M_ R[XX[c_+ BQY[`Q O[Z`^[XXQ^+ <?G =94 89 1ED? 1U^ O[ZPU`U[ZQ^ U_ ^aZZUZS aZPQ^ PU_\XMeQP RMZ _\QQPt GTQZ 61> U_ _Q` `[ 1ED?r `TQ MU^ O[ZPU`U[ZQ^ Ma`[YM`UOMXXe MPVa_`_ `TQ RMZ _\QQP MOO[^PUZS `[ ^[[Y `QY\Q^M`a^Qt ?\Q^M`U[Z BQY[`Q 4U_\XMe =[PQ 3[Z`^[XXQ^ 2[M^P 20 D_ C@<L ^`VW w T[a^_ MR`Q^ C<55@ Y[PQ _`M^`_r `QY\t cUXX NQO[YQ x 3 X[cQ^ `TMZ `QY\t _Q``UZSt 1R`Q^ MZ[`TQ^ w T[a^_r `QY\t PQO^QM_Q Ne x 3 Ra`TQ^t 1R`Q^ Y[^Q MZ[`TQ^ y T[a^_r `QY\t ^U_Q_ Ne w 3 Ra`TQ^t DTQ aZU` cUXX ^aZ R[^ Ra^`TQ^ y T[a^_ `TQZ _`[\_t DQY\t U_ X[cQ^ `TMZ `QY\t _Q``UZS _[ `TM` ^[[Y `QY\Q^M`a^Q c[Z NQ `[[ TUST R[^ e[a^ _XQQ\t >[`Q 1ED? 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DEMAND TES CEN. ADD. SYS. ADD. C F FAN SWING HEALTH TEMP CLOCK TIME Time switch It is used to regulate setting time. MANUAL ROOM TEMP. SET TEMP. TIMER SET RECOVERY TIMER CLOCK UP DOWN VENTILATION ON AUTO OFF RECOVERY DAILY NORMAL CHECK ON/OFF FILTER RESET Clock, timing and address setting Air change switch It is used to open and close air change function. The mode is as follows: No display-air change (automatic)air change (RECOVERY)-air change (NORMAL) Timing switch It is used for choosing timing running Self-inspection switch It is used for inspection service ON/OFF switch Do on and off function. The unit is on when pressing it; and is off when pressing it again (needn't to open front cover) Filter reset After cleaning air inlet and filter, press this switch. The unit begins to run Reset key When in abnormal state, push the reset key with a spike, which may return the unit to normal 175 ON/OFF operation 2 MODE MODE FAN OPERATION HIGH 4 The line controller displays the running state in the latest time (timing and swing state may not be displayed). 5 1. Press "ON/OFF" switch. The air conditioner starts operating, and the light on the wired controller is on. SWING FAN HEALTH TEMP CLOCK TIME COOL C ROOM TEMP. TIMER SET 3 RECOVERY FILTER RESET 1 ON/OFF 2.Choose operation mode. Press "mode"switch to change to "AUTO"---"FAN ONLY"---"COOL"---"DRY"---"HEAT". 3.Press "TEMP" switch Change set temperature:press TEMP or TEMP time, [SET] will display,and set temperature will increase/reduce CLOCK CHECK Press ON/OFF switch on line controller directly 6 every 4.Press "FAN SPEED" switch FAN ONLY Operation: Press "FAN SPEED" switch to change to "HIGH"--"MED"--"LOW"--"HIGH" In AUTO,COOL,DRY,HEAT Operation: Press "FAN SPEED" switch to change to "AUTO"--"HIGH"--"MED"--"LOW"--"AUTO" 5.Press "swing" switch on the line controller to swing the wind screen. 6.Press "ON/OFF"switch, off. The light on the line controller is off. Note Several seconds after the operation of the line controller, the setting of the unit will change. Remarks Avoid pressing "ON/OFF" switch frequently. Do not press line controller or switches by sharp objects. The temperature is on the basis of the setting value. The wind temperature may not reach the setting value because of the outer air conditioner and system protection. When the wired controller is power on, the screen fully displays it for two seconds. and clock zone "8888"-"888"-"88""8" flicker for 30 seconds. All the switches are invalid at the time. 176 Present time setting The timing is based on the real time. Thus, the real time should be regulated in advance. The clock regulation steps are as follows: 1.Press "CLOCK" switch MODE MODE FAN SWING "CLOCK" flickers, and the time displayed is the real time. FAN OPERATION HIGH TEMP HEALTH 2.Press " C ROOM TEMP. TIME TIMER SET CHECK FILTER " to regulate the time. The time increases a minute each time you press " " switch. The time decreases a minute each time you press " " switch. HEAT CLOCK " and " RECOVERY 3.Press "setting" switch. The setting is achieved. CLOCK UP RESET If not in timing, the screen displays the real time. If in timing, the screen displays the timing time. If you want to know the real time, go to the first step. ON/OFF 1 Notes 3 2 Setting of power failure compensation function When SW1-6 on PCB of wire controller is OFF, it will be in power failure compensation. If the SW1-6 is ON, it has no compensation function. When the power is on after blackout, the unit will return to the former state if compensation function is set. Otherwise, it will stop. When restarting the unit, press "ON/OFF" switch on wired controller. 177 Timing setting OFF timing: when a set time has elapsed, the unit stops running. ON timing: when a set time has elapsed, the unit starts. MODE MODE FAN SWING FAN HIGH OPERATION TEMP HEALTH 1.Press "TIME" switch. COOL CLOCK C ROOM TEMP. The display changes with the following sequence: on on no display CYCLE ON OFF OFF OFF TIME TIMER SET CHECK FILTER RECOVERY TIMER ON Press "ON/OFF"switch firstly, and set up operation mode. Please regulate the clock in advance before using the timing function. RESET ON/OFF 1 3 2 2.Set up "TIMER" When timing ON or timing OFF flickers, press " " or " " to regulate the time Press" "or " "set up ON/OFF time. The setting time increases ten minutes each time you press " " switch. The setting time decreases ten minutes each time you press " " switch. When setting timing ON and timing OFF at the same time, press "timing" switch to change the setting item. 3.Time setting is achieved. Press"setting"switch. Cancel timing If you want to change the timing mode to normal operation, press "timing" until there is no timing display. When the timing is invalid, the mode is in normal operation. parts of wired controller explanation : 1.The unit starts or stops at the setting time. Meanwhile, it displays the timing time. 2."ON Timing, OFF timing and circulation"means that the unit is on and off at the setting time everyday. Notes The shorter setting time will be carried out firstly. If the ON timing and OFF timing are the same, the setting is invalid. Even in timing condition, you may start or close the unit through pressing "ON/OFF" switch. 178 Query indoor malfunction history: In the state of power on or power off, press [CHECK] button, enter the malfunction-querying mode of all indoor units in the group. Then [CHECK] and [UNIT NO.] will display, and the actual indoor numbers will be displayed in some sequence (unit number is in decimals). At the same time, in the time region, there will be the current malfunction and the latest time malfunction, the displaying format is [XX:YY], in which XX stands for the current malfunction, if normal, it will display "--"; YY stands for the latest time malfunction. The failure code of every unit will display for 3 seconds. After the failure codes of all indoor units in the whole group are displayed, the mode will quit automatically. How to change the function switches? No. Type State of switch Function description SW1-1 Select the master or the slave controller ON set as the slave controller OFF set as the master controller Select the controller mode ON standard controller OFF air handler controller ON visible room temperature OFF invisible room temperature ON Unavailable 26 lock OFF available 26 lock ON Sensor of the controller OFF Sensor in the unit ON unavailable OFF available SW1-2 SW1-3 SW1-4 Room temperature display option o 26 lock SW1-5 Temperature sensor position option SW1-6 Auto restart o o SW1-7 Factory Seting ON default setting SW1-8 Factory Setting OFF default setting Notes 1. Switches or jumper wire must be adjusted when the wire controller is powered off. If the wire controller is powered on, the above operations will be invalid. 2. Function difference between master wire controller and slave one: Contrastive items Master wire controller Slave wire controller Function All of functions Only with below functions: ON/OFF, MODE, FAN SPEED, SET TEMP., SWING 179 Installation Manual For Wire Controller 1. Take down wire controller from the holder MODE CENTRAL OPERATION STANDBY PRE-HEAT DEFROST FIX CHECK DEMAND SYS. ADD. SWING Wire controller 52¡ 0.2 TEMP HEALTH FILTER TES HEALTH UNIT NO. CEN. ADD. FAN SWING CLOCK TIME MANUAL C F ROOM TEMP. SET TEMP. TIMER SET CHECK FILTER RECOVERY TIMER CLOCK UP DOWN VENTILATION ON AUTO OFF RECOVERY DAILY NORMAL Bracket RESET ON/OFF 5.3 HEAT FAN AUTO HIGH MED LOW 10.45 MODE AUTO FAN ONLY COOL DRY Screw holes 2. Install the controller holder According to the position of 2 screw holes on the holder, drill 2 holes on the wall, and strike the wood stopper to the holes respectively. Then align the 2 screw holes of wired controller holder to the wood stopper, fix the holder on the wall with wood screw. Note:Try a wall as flat as possible for installation. Don't use excessive force to tighten screws, otherwise, the holder will be damaged. 3.Wiring instruction Use shielded wire between indoor and wire controller.And be earthed on one side, or the unit will not work normally because of interference. Note:Confirm the terminal connection firmly, and do not get in tough with shielded wire. 4.Place wire controller on the holder, and pay attention not to pressing any wires. 5. Wiring connections of wire controller: A TYPE 1, FOR AD*SS1ERA Indoor 1 Indoor 2 Wire controller port A BC Indoor N Wire controller port A B C Indoor 15 Wire controller port ABC Indoor 16 Wire controller port A BC (master unit) Wire controller port A BC Control wiring of wire controller A BC Wire controller TYPE 2, FOR AD*LS1ERA Indoor 1 Indoor 2 Wire controller port A BC B Indoor N Wire controller port Wire controller Polar wire A B C Wire controller port ABC C Indoor 1 Indoor 15 Indoor 16 Wire controller port ABC A BC (master unit) Wire controller port A BC Indoor 1 Wire controller Polar wire A B C Polar wire ABC ABC ABC Wire controller Wire controller Wire controller 180 Control wiring of wire controller A BC Wire controller There are three methods to connection wire controller and the indoor units: A.One wired controller can control max. up to 16 sets of indoor units, and 3 pieces of polar wire must connect the wire controller and the master unit (the indoor unit connected with wire controller directly), the others connect with the master unit through 2 pieces of polar wire(3 pieces for model AD*SS1ERA, and the bridge CN22 CN23 on slave units PCB should be cut off). B. One wire controller controls one indoor unit, and the indoor unit connects with the wire controller through 3 pieces of polar wire. C. Two wired controllers control one indoor unit. The wire controller connected with indoor unit is called master one, the other is called slave one. Master wire controller and indoor unit; master and slave wire controllers are all connected through 3 pieces of polar wire. 6. Communication wiring: The wire controller is equipped with special communication wiring in the accessories. 3-core terminal (1-white 2-yellow 3-red) is connected with the terminal A, B, C of wire controller respectively. The communication wiring is 5 meter long; if the actual length is more than it, please distribute wiring according to below table: Communication wiring length(m) Dimensions of wiring < 100 0.3mm2x3-core shielded wire 100 and <200 0.5mm2x3-core shielded wire 200 and <300 0.75mm2x3-core shielded wire 300 and <400 1.25mm2x3-core shielded wire 400 and <600 2mm2x3-core shielded wire *One side of the shielded sheet of communication wire must be earthed. 181