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Manual No. '11 • SAF-T-161 updated March 31, 2011 TECHNICAL MANUAL VRF INVERTER MULTI-SYSTEM AIR CONDITIONERS Alternative refrigerant R410A use models Fresh Air DX Assembly (SAF-DX) Models SAF-DX250E6 SAF-DX350E6 SAF-DX500E6 SAF-DX800E6 SAF-DX1000E6 • Note: (1) Regarding the Outdoor unit series, refer to the following table. Technical manual Reference manuals No. Data book Service manual 4㨪6HP '08 • KX-T-117 ̆ ̆ 8㨪12HP ̆ '09 • KX-DB-124 '09 • KX-SM-125 14㨪48HP ̆ '09 • KX-DB-127 '09 • KX-SM-128 Heat recovery 3-pipe ststems ̆ '09 • KXR-DB-129 '09 • KXR-SM-130 Models '11•SAF-T-161 CONTENTS 1. What is SAF-DX.............................................................................................. 1 2. Specifications................................................................................................. 3 3. Exterior dimensions....................................................................................... 4 4. Electrical wiring.............................................................................................. 13 5. Internal resistance characteristics............................................................... 14 6. Range of usage & limitations........................................................................ 15 7. Operation control function by the indoor controller................................... 16 8. User's manual................................................................................................. 22 9. Installation manual......................................................................................... 23 10. Application example....................................................................................... 32 '11•SAF-T-161 1. What is SAF-DX •SAF-DX is a kind of indoor unit for KX(R)E6 series categorized into the OA processing unit series. • SAF-DX consists of indoor controller of KX(R)E6 series and an indoor heat exchanger without any blower. It can be use in combination with the MHI’s SAF unit or the total heat exchanger provided locally. • The lineup is 5 models as shown in following table. Select SAF-DX according to the processing air volume. Model capacity 250 350 500 800 1000 Capacity code 22 28 36 56 71 Processing air volume (m3/h) 250 350 500 800 1000 • Mixed use of SAF-DX with KX(R)E6 indoor unit is available. (Total connectable capacity of KX(R)E6 indoor units including SAF-DX must be within 100% of outdoor unit capacity) • Connectable outdoor unit are all KX(R)E6 series (5 to 48HP) • All two-wire remote controller are available, and all center console also can be used. KXE6 KXRE6 FDT SAF-DX RC-E4 RC-E4 RC-E4 RC-E4 - - SL3N # '11•SAF-T-161 • SAF-DX is a kind of indoor unit for KX(R)E6 series without any blower and fan. • The intake OA can be conditioned in cooling or heating at the heat exchanger section of SAF-DX by utilizing the blower function of MHI’s SAF unit or the total heat exchanger provided locally. FAN OA RA SAF-DX Total heat exchanger EA SA • The control of total heat exchanger must be interlocked with SAF-DX. • Both return air temp. control and supply air temp. control are applicable. (Switching the control method can be done with the Dip-SW on the control PCB.) RA OA Total heat exchanger Return/fresh air temp. sensor SAF-DX supply/fresh air temp. sensor SA EA SW7-3 interlock ON Control of total heat exchanger OFF must be interlock with SAF-DX Switching between return/supply air temp. control - - N: 1RPLQDOKHDWLQJFDSDFLW\ 3RZHUVRXUFH &RRO 3RZHUFRQVXPSWLRQ +HDW &RRO 5XQQLQJFXUUHQW +HDW 6RXQG3UHVVXUH/HYHO ([WHULRUGLPHQVLRQV +HLJKW[:LGWK['HSWK 1HWZHLJKW : SAF-DX350E6 SAF-DX500E6 SAF-DX800E6 9ᨺ+] 9ᨺ+] 9ᨺ+] 9ᨺ+] 9ᨺ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㪣㫀㫈㫌㫀㪻㩷㫃㫀㫅㪼㪑㩷㱢㪍㪅㪊㪌㩷㩿㪈㪆㪋㩹㪀 㪣㫀㫈㫌㫀㪻㩷㫃㫀㫅㪼㪑㩷㱢㪍㪅㪊㪌㩷㩿㪈㪆㪋㩹㪀 㪣㫀㫈㫌㫀㪻㩷㫃㫀㫅㪼㪑㩷㱢㪍㪅㪊㪌㩷㩿㪈㪆㪋㩹㪀 㪣㫀㫈㫌㫀㪻㩷㫃㫀㫅㪼㪑㩷㱢㪍㪅㪊㪌㩷㩿㪈㪆㪋㩹㪀 㪣㫀㫈㫌㫀㪻㩷㫃㫀㫅㪼㪑㩷㱢㪐㪅㪌㪉㩷㩿㪊㪆㪏㩹㪀 㪞㪸㫊㩷㫃㫀㫅㪼㪑㩷㱢㪐㪅㪌㪉㩷㩿㪊㪆㪏㩹㪀 㪞㪸㫊㩷㫃㫀㫅㪼㪑㩷㱢㪐㪅㪌㪉㩷㩿㪊㪆㪏㩹㪀 㪞㪸㫊㩷㫃㫀㫅㪼㪑㩷㱢㪈㪉㪅㪎㩷㩿㪈㪆㪉㩹㪀 㪞㪸㫊㩷㫃㫀㫅㪼㪑㩷㱢㪈㪉㪅㪎㩷㩿㪈㪆㪉㩹㪀 㪞㪸㫊㩷㫃㫀㫅㪼㪑㩷㱢㪈㪌㪅㪏㪏㩿㪌㪆㪏㩹㪀 )ODUHSLSLQJ )ODUHSLSLQJ )ODUHSLSLQJ )ODUHSLSLQJ )ODUHSLSLQJ 5HIULJHUDQW 5$ 5$ 5$ 5$ 5$ 'UDLQXSNLW 2SWLRQ';$'8( 2SWLRQ';$'8( 2SWLRQ';$'8( 2SWLRQ';$'8( 2SWLRQ';$'8( ,QVXODWLRQQRLVHKHDW ,QVWDOODWLRQGDWD 5HIULJHUDQWSLSLQJVL]H &RQQHFWLQJPHWKRG 'UDLQKRVH ,QVXODWLRQIRUSLSLQJ $FFHVVRULHV &RQQHFWDEOHZLWKᨒᨌ᧮᧬ &RQQHFWDEOHZLWKᨒᨌ᧮᧬ &RQQHFWDEOHZLWKᨒᨌ᧮᧬ &RQQHFWDEOHZLWKᨒᨌ᧮᧬ 1HFHVVDU\ERWK/LTXLG*DVOLQH 1HFHVVDU\ERWK/LTXLG*DVOLQH 1HFHVVDU\ERWK/LTXLG*DVOLQH 1HFHVVDU\ERWK/LTXLG*DVOLQH 7KHGDWDDUHPHDVXUHGDWWKHIROORZLQJFRQGLWLRQV $GDSWHGWRRoHS GLUHFWLYH ,QGRRUDLUWHPSHUDWXUH 2XWGRRUDLUWHPSHUDWXUH 6WDQGDUGV ,WHP 2SHUDWLRQ '% :% :% '% ഒ ഒ ഒ ഒ &RROLQJ ,627 +HDWLQJ ഒ ഒ ഒ 7KLVSDFNDJHGDLUFRQGLWLRQHULVPDQXIDFWXUHGDQGWHVWHGLQFRQIRUPLW\ZLWKWKHIROORZLQJVWDQGDUG ᇫᇫ,62781,7$5<$,5&21',7,21(56 3RZHUFRQVXPSWLRQLQGLFDWHVWKDWRIFRQWUROFLUFXLWRQO\ ᨑVDJHOLPLWDWLRQRI6$)';FRQQHFWLRQZLWKWKH.;5(LQGRRUXQLW5HIHUWRSDJH '11•SAF-T-161 PCH000Z360 1RWHV &RQQHFWDEOHZLWKᨒᨌ᧮᧬ 1HFHVVDU\ERWK/LTXLG*DVOLQH 2. Specifications 0RGHOV 1RPLQDOFRROLQJFDSDFLW\ 0 φ1 5 160 340 170 Control box 19 362 □120 70 450 - 337 373 - B A Remote controller (Option) (Suspension bolts pitch) 70 18 40 260 40 71 (Suspension bolts pitch) Air supply duct 67 M10 3. Exterior dimensions 170 Wiring hole for total enthalpy heat exchanger Hole for communication line Suspension bolts Models SAF-DX250E6, DX350E6 E F G (1) Without Drain pump C Symbol Contents A Gas piping φ9.52(3/8") (Flare) B Liquid piping φ6.35(1/4") (Flare) C Drain piping VP20 D Hole for power source line 64 200 170 □450 340 Inspection hole '11•SAF-T-161 D E F 170 50 φ1 PCH000Z367 315 285 Space for installatin and service 160 264 67 27 G Label,model name 220 Outdoor air duct 100 337 220 180 18 90 φ2 0 0 Symbol Contents A Gas piping φ12.7(1/2") (Flare) B Liquid piping φ6.35(1/4") (Flare) C Drain piping VP20 D Hole for power source line 160 E F G 212.5 425 212.5 40 345 40 71 (Suspension bolts pitch) 67 Air supply duct (Suspension bolts pitch) 19 18 70 Control box □120 362 70 337 373 450 M10 Remote controller (Option) 18 - B A Wiring hole for total enthalpy heat exchanger Hole for communication line Suspension bolts Model SAF-DX500E6 C 64 90 100 212.5 160 264 315 285 Inspection hole '11•SAF-T-161 220 D E F 00 φ2 PCH000Z366 Label,model name 200 425 67 27 G 212.5 Space for installatin and service □450 337 220 180 Outdoor air duct 0 φ2 5 160 E F G 40 Control box □120 19 18 70 450 - 337 373 - B A M10 Remote controller (Option) 362 Air supply duct 70 71 67 490 (Suspension bolts pitch) 18 40 570 250 (Suspension bolts pitch) 320 Wiring hole for total enthalpy heat exchanger Hole for communication line Suspension bolts Model SAF-DX800E6 C Symbol Contents A Gas piping φ12.7(1/2") (Flare) B Liquid piping φ6.35(1/4") (Flare) C Drain piping VP20 D Hole for power source line 64 90 200 570 250 0 682 '11•SAF-T-161 315 285 D E F 5 φ2 PCH000Z365 Label,model name Inspection hole 160 264 67 27 G 320 □450 337 220 180 220 Space for installatin and service 100 Outdoor air duct φ2 50 Symbol Contents A Gas piping φ15.88(5/8") (Flare) B Liquid piping φ9.52(3/8") (Flare) C Drain piping VP20 D Hole for power source line 160 E F G - B A 19 70 Control box □120 362 Air supply duct M10 Remote controller (Option) 337 373 - 450 40 (Suspension bolts pitch) 71 67 630 (Suspension bolts pitch) 70 40 710 325 18 385 Wiring hole for total enthalpy heat exchanger Hole for communication line Suspension bolts Model SAF-DX1000E6 C 64 Outdoor air duct 190 160 264 Inspection hole 2-φ 200 D E F 822 '11•SAF-T-161 PCH000Z364 315 285 200 710 270 □450 250 67 27 G Label,model name 220 Space for installatin and service 100 337 220 180 18 90 φ1 5 0 C2 160 Drain hose(Option) Local installation 170 340 E F G 170 φ9.52(3/8") (Flare) φ6.35(1/4") (Flare) VP25 Notes(1) VP20 M10 19 362 □120 18 (Max.Drain Lift) 57 D E F 100 200 340 170 □450 170 Inspection hole 160 264 315 285 295∼325 Space for installatin and service '11•SAF-T-161 Label,model name Outdoor air duct 50 φ1 PCH000Z372 A 220 90 G 600 or less 337 274 220 180 67 62 27 70 Control box Hole for power source line Wiring hole for total enthalpy heat exchanger Hole for communication line Suspension bolts (Suspension bolts pitch) - C1 B A Contents Remote controller (Option) 337 373 - 450 70 18 40 260 40 71 (Suspension bolts pitch) Air supply duct 67 Gas piping Liquid piping Drain piping Drain piping Models SAF-DX250E6, DE350E6 Symbol A B C1 C2 D 64 (2) With Drain pump (Option parts:DXA-DU-E) Notes (1)Please local arrange connected socket for VP25. φ2 0 C2 Symbol A B C1 C2 D 0 64 160 Drain hose(Option) Local installation 212.5 425 E F G 212.5 40 345 40 71 (Suspension bolts pitch) 67 Air supply duct Hole for power source line Wiring hole for total enthalpy heat exchanger Hole for communication line Suspension bolts (Suspension bolts pitch) φ12.7(1/2") (Flare) φ6.35(1/4") (Flare) VP25 Notes(1) VP20 M10 19 18 100 200 212.5 □450 425 Inspection hole 160 264 315 285 212.5 57 600 or less G D E F '11•SAF-T-161 Label,model name Space for installatin and service 295∼325 00 φ2 PCH000Z371 A 220 Outdoor air duct 90 (Max.Drain Lift) 337 274 220 180 67 62 27 70 Control box □120 362 70 18 - 450 Contents Remote controller (Option) 337 373 - C1 B A Gas piping Liquid piping Drain piping Drain piping Model SAF-DX500E6 Notes (1)Please local arrange connected socket for VP25. Symbol A B C1 C2 D 64 φ2 5 0 C2 160 Drain hose(Option) Local installation 40 10 - C1 B A φ12.7(1/2") (Flare) φ6.35(1/4") (Flare) VP25 Notes(1) VP20 M10 Remote controller (Option) 19 18 (Max.Drain Lift) 250 □450 570 57 320 200 100 295∼325 Inspection hole 682 '11•SAF-T-161 D E F 0 Label,model name Space for installatin and service 160 264 315 285 Outdoor air duct 5 φ2 PCH000Z370 A 220 90 G 600 or less 337 274 220 180 67 62 27 70 Control box □120 362 Air supply duct 337 373 - 450 490 (Suspension bolts pitch) 70 71 67 250 18 40 570 Contents Hole for power source line Wiring hole for total enthalpy heat exchanger Hole for communication line Suspension bolts (Suspension bolts pitch) 320 E F G Gas piping Liquid piping Drain piping Drain piping Model SAF-DX800E6 Notes (1)Please local arrange connected socket for VP25. C2 Symbol A B C1 C2 D φ2 50 64 Drain hose(Option) Local installation 160 E F G 11 - C1 B A VP25 Notes(1) VP20 M10 19 70 Control box □120 362 Air supply duct φ15.88(5/8") (Flare) φ9.52(3/8") (Flare) Remote controller (Option) 337 373 - 450 40 Contents Hole for power source line Wiring hole for total enthalpy heat exchanger Hole for communication line Suspension bolts (Suspension bolts pitch) 71 67 630 (Suspension bolts pitch) 70 40 710 325 18 385 Gas piping Liquid piping Drain piping Drain piping Model SAF-DX1000E6 Notes (1)Please local arrange connected socket for VP25. 100 190 Inspection hole 160 264 D E F 2-φ 200 Label,model name 200 710 270 □450 250 57 600 or less 67 62 315 285 18 (Max.Drain Lift) G Space for installatin and service 822 '11•SAF-T-161 PCH000Z369 A 220 Outdoor air duct 295∼325 27 337 274 220 180 90 '11•SAF-T-161 (3) Remote controller (Option parts) • Wired remote controller (Model : RC-E4) PJZ000Z274 - 12 - Tr CNN F(3.15A) WH WH 1 CNW0 X6 RD WH RD F(3.15A) 1 Y RD 3 RD Free cooling I 1 CNH BK 2 CNF SW6 X3 24V 1 CNW2 WH Y X4 19V CNW1 SW5 X2 X1 2 RD RD BR BR 6 BK BK 5 BK 4 BK GR 3 BK GR 2 BK BK 1 BK Control PCB BK BK CNU BL Y/GN Earth Th I -AF t° 220V-240V RD WH N Th I -A t° Connector for branching controller of heat recovery 3-pipe systems TB1 L Th I -R3 t° BK 2 RD +12 1 CND BL 2 Y CNT3 SW1 SW2 LED・2 JSL1 5 Superlink(spare) SW3 SW4 LED・3 CNK2 BK SW7 6 ※1 5 6 7 52X1 8 Heat exch(air) operation Humidifier operation Heat exch(air) abnormal F(0.16A) CNR2 BL TB3 1 Y Y M 1∼ DM CNI2 WH FS 51X1 5 1 3 1 BL RD WH 2 (Operation) XR2 8 (Heating) XR4 Thc (Thermo ON) (Inspection) XR5(Remote operation input :volt-free contact) For heat recovery 3-pipe systems XB1 XB3 XB2 XB4 X Y A B Remote controller t° 4 5 7 RD WH CNT2 3 X Y M SM CNK1 BK CNA RD 1 2 3 4 5 6 CNB WH BL RD CNI 3 WH Y OR BL WH RD RD TB2 CNR 1 RD L BR 9 M WH 7 BK <6> 5 UH H WH 3 4 <5> C BR XR2 3 WH WH 5 <4> CNM3 1 BR 13 - 1 2 <3> 8 WH 52X1 51X1 Y 5 <2> Y Y - <1> 3 Y 3 BL +12 1 2 7 XR1 XR3 BL 4 Signal line (Shielded cord) Signal line between indoor units (20S) (SVH) (SVG) (SVE) SW5-2 SW6 SW7-1 SW7-2 SW7-3 SW7-4 TB1 TB2 TB3 Thc Th I -A Th I -AF Th I -R1,2,3 Tr I X1∼3,6 X4 XR2 52X1,51X1 ■mark 4. Electrical wiring Power source line between indoor units 220-240V∼ 50Hz 220V∼ 60Hz Power source Single-phase Power source line Th I -R2 t° Connector Drain motor Fuse Float switch Live superlink terminal setting(for spare) Indication lamp(Green-Normal operation) Indication lamp(Red-Inspection) Stepping motor(for electronic expansion valve) Indoor unit address:tens place Indoor unit address:ones place Outdoor unit address:tens place Outdoor unit address:ones place Automatic adjustment/Fixed previous version of Superlink protocol Indoor unit address:hundreds place Model capacity setting Operation check,Drain motor test run Reserved Return/Supply air temp. control setting Pressure setting Terminal block(Power source) (□mark) Terminal block(□mark) Terminal block(Signal line) (□mark) Thermistor(Remote controller) Thermistor(Return air) Thermistor(Service air) Thermistor(Heat exchanger) Transformer Relay for FM Relay for DM Relay(DC12V) Relay(AC200V) Closed-end connector Models All model Th I -R1 t° CNA∼Z DM F FS JSL1 LED・2 LED・3 SM SW1 SW2 SW3 SW4 SW5-1 Option '11•SAF-T-161 PCH000Z368 A Notes 1. indicates wiring on site. 2. Use twin core cable(0.75∼1.25mm2)at signal line between indoor unit and outdoor unit, and signal line between indoor units. 3. Terminal A B is signal terminal.(5volt) 4. Use twin core cable(0.3mm2)at remote controller line. (Refer to page 12) of remote controller in case that the total length is more than 100m. 5. Do not put signal line and remote controller line alongside power source line. Color Marks Mark Color BK Black BL Blue BR Brown Gray GR Orange OR RD Red WH White Y Yellow Y/GN Yellow/Green '11•SAF-T-161 5. Internal resistance characteristics 100 90 80 70 Internal resistance [Pa] 60 50 40 SAF-DX1000E6 SAF-DX800E6 30 SAF-DX500E6 SAF-DX250E6,350E6 20 10 200 250 300 350 400 500 600 Air flow [m3/h] - 14 - 800 1000 1200 (Refer to the front cover) DX is SAF-DX) SAF-DX DX is - 15 3 3 '11•SAF-T-161 PCH000Z374 of the front cover) of the front cover.) 3 6. Range of usage and limitations (Refer to the front cover) '11•SAF-T-161 7. Operation control function by the indoor controller (1) SAF-DX Control Section Control box Terminal block for power cable *1) *1) The capacity of indoor fan motor input is not included. SAF-DX control PCB Power line Single phase 220-240V (50Hz) Total heat exchanger operation command Return air temp. sensor Supply air temp. sensor Heat exchanger temp. EEV coil. sensor, RRT Float switch. Signal line Remote controller line (2) SAF-DX Control PCB SW1-SW4: Address settings CND SW6: Capacity selection SW7: Function setting SW1-4 : Superlink address settings (indoor unit/outdoor unit). SW6 : Capacity selection (no need to change). SW7 : Function setting of SAF-DX. (See next page for details). - 16 - '11•SAF-T-161 (3) SW7 Function setting 䃨 factory default SW Function SW7-1 Test run/drain motor check SW7-2 Reserved SW7-3 Switching return/supply air temp. control SW7-4 Automatic supply air temp. 䃨 Off Invalid adjust. control On Valid Setting On/Off 䃨 Off Normal On Test run 䃨 Off Keep OFF On 䃨 Off Ruturn air temp. control On Supply air temp. control 1. SW7-1 is same function for KX(R)E6 indoor unit 䋲. SW7-2 should be kept OFF. (4) Switching return/supply air temp. control ・Supply air temp. control is available as OA processing unit (supply air temp. sensor is already equipped.) ・When SW7-3 is Off, it become return air temp. control and indoor EEV is controlled to keep the superheat of heat exchanger constant. (factory setting, same as normal KX(R)E6 indoor unit) ・When SW7-3 is On, it become supply air temp. control. The indoor EEV is controlled to keep the supply air temp. constant. RA SAF-DX OA Total heat exchanger SA EA return/fresh air temp. sensor - 17 - supply/fresh air temp. sensor '11•SAF-T-161 (5) Return air temp. control ・Same control as normal air conditioner, RAC, PAC, KX... ・Thermo ON/OFF control : Temp. difference between R/A temp. sensor (or R/C sensor) and set temp. by R/C. Return air temp. control R/A temp. is set by R/C Return air temp. becomes Set R/A temp. (6) Supply air temp. control ・Target S/A temp. is fixed and can be adjusted by RC-E3/4. ・Thermo ON/OFF control : Temp. difference between R/A temp. sensor (or R/C sensor) and set temp by R/C (same as return air temp. control) ・Cooling : Set return air temp. must be greater than Target supply temp. Heating : Set return air temp. must be less than Target supply temp. (If not, Set temp. becomes Target supply temp.) Return air temp. ≒Set R/A temp. Supply air temp. ≒Target S/A temp. - 18 - '11•SAF-T-161 (7) Supply air temp. control in cooling ・The target supply air temp. is fixed. Target supply air temp. in cooling Target supply air temp. in cooling Target low pressure Target low pressure 15㷄 15㷄 LP㻍0.65-0.76MPa LP㻍0.65-0.76MPa ・Adjusting the target temp. can be done by RC-E3/4 remote controller function setting No.01 and No.08. “01” feature is only RC-E3. Adjustable range of target supply air temp. is ±3℃. Target supply air temp. can be set from 12㷄 to 18㷄. to 18㷄. Target supply air temp. be set from 12㷄 (at 1㷄can step) 䃨 Factory default (at 1㷄 step) 䃨 Factory default Indoor unit function Indoor unit function Function Display on R/C No. No. Function 01 㪘㫌㫋㫆㩷㪽㫀㫃㫋㪼㫉㩷㪺㫃㪼㪸㫅㫀㫅㪾 01 㪘㫌㫋㫆㩷㪽㫀㫃㫋㪼㫉㩷㪺㫃㪼㪸㫅㫀㫅㪾 08 08 㪟㪼㪸㫋㫀㫅㪾㩷㪪㪧㩷㫆㪽㪽㫊㪼㫋 㪟㪼㪸㫋㫀㫅㪾㩷㪪㪧㩷㫆㪽㪽㫊㪼㫋 Display on R/C 䃨Invalid Valid Invalid 䃨 offset 䃨NOValid Offset +1.0 㷄 䃨NO offset Offset +2.0 Offset +1.0㷄㷄 Offset Offset+3.0 +2.0㷄㷄 Offset +3.0 㷄 Actual meaning FunctionActual meaning Meaning Function 㪪㫎㫀㫋㪺㪿㫀㫅㪾 㪧㫃㫌㫊㪆㪤㫀㫅㫌㫊 㪪㫎㫀㫋㪺㪿㫀㫅㪾 㪧㫃㫌㫊㪆㪤㫀㫅㫌㫊 㪫㪸㫉㪾㪼㫋㩷㫊㫌㫇㫇㫃㫐㩷㪸㫀㫉 㫋㪼㫄㫇㪅㩷㫆㪽㪽㫊㪼㫋㩷 㪫㪸㫉㪾㪼㫋㩷㫊㫌㫇㫇㫃㫐㩷㪸㫀㫉 㫋㪼㫄㫇㪅㩷㫆㪽㪽㫊㪼㫋㩷 Meaning Plus 䃨 Minus 䃨Plus offset 䃨NOMinus Offset 1.0㷄 㫧 䃨NO offset Offset 2.0 㷄㷄 Offset㫧㫧 1.0 Offset 3.0 㷄㷄 Offset㫧㫧2.0 Offset 㫧3.0㷄 (8) Supply air temp. control in heating ・The target supply temp. is fixed. Target supply air temp. in heating Target supply air temp. in heating Target high pressure Target high pressure 36㷄 36㷄 HP㻍2.75MPa HP㻍2.75MPa ・For changing the target supply air temp., please use function setting No. 09 of RC-E3/4 remote controller as mentioned below. Changeable range of target supply air temp. is ±4℃. Target supply air temp. can be set from 32㷄 to 40㷄 㷄. Target supply air temp. be set from 32㷄 to 40㷄 㷄. (at 1㷄can step) 䃨 Factory default (at 1㷄 step) 䃨 Factory default No. No. 09 09 Indoor unit function Indoor unit function Function Display on R/C Function Display+2.0 on R/C Offset 㷄 㪩㪼㫋㫌㫉㫅㩷㪘㫀㫉㩷㪫㪼㫄㫇㪅 㪩㪼㫋㫌㫉㫅㩷㪘㫀㫉㩷㪫㪼㫄㫇㪅 Offset+1.5 +2.0㷄 㷄 Offset Offset+1.0 +1.5㷄 㷄 Offset Offset +1.0 㷄 No offset 䃨 offset 䃨No -1.0 Offset 㷄 Offset-1.5 -1.0㷄 㷄 Offset Offset-2.0 -1.5㷄 㷄 Offset Offset -2.0 㷄 - Actual meaning Actual meaning Function Meaning Function Meaning Offset +4.0 㷄 㪫㪸㫉㪾㪼㫋㩷㫊㫌㫇㫇㫃㫐㩷㪸㫀㫉 㪫㪸㫉㪾㪼㫋㩷㫊㫌㫇㫇㫃㫐㩷㪸㫀㫉 㫋㪼㫄㫇㪅㩷㫆㪽㪽㫊㪼㫋㩷 㫋㪼㫄㫇㪅㩷㫆㪽㪽㫊㪼㫋㩷 19 - Offset+3.0 +4.0㷄 㷄 Offset Offset+2.0 +3.0㷄 㷄 Offset Offset +2.0 㷄 No offset 䃨 offset 䃨No -2.0 Offset 㷄 Offset-3.0 -2.0㷄 㷄 Offset Offset-4.0 -3.0㷄 㷄 Offset Offset -4.0 㷄 '11•SAF-T-161 (9) Automatic supply air temp. adjust. control ・In case SW7-4 is ON, when the room temp. becomes the set temperature, target pressure is changed automatically. Cooling Thermo OFF Target low pressure High Set temp -1℃ Heating Target low pressure Standard Set temp Target high pressure Standard Thermo OFF Set temp Set temp +1℃ Controller checks return air temp. every 2mins and decides target pressure. The purpose of this control is preventing from overcooling/overheating. Application condition ・ System has only SAF units ・ Detect room temp. (Use Remote controller sensor or Remote sensor) Example of automatic supply air temp. adjust. control in cooling ̪ ̪ Inverter actual Hz supply air temp. Low pressure Indoor heat exch.temp. At the intersection of the solid line (mark ̪), since the room temp. gets closer to the set temp., the target low pressure is adjusted to increase so that the inverter Hz is decreased, and then indoor heat exch. temp. and supply air temp. are increased. - 20 - '11•SAF-T-161 (10) Free cooling function ・Free cooling is the function to control the opening of the by-pass damper of total heat exchanger in cooling. 㪚㪥㪛㪑㩷㪦㪥 return air temp. increasing return air temp. decreasing 㪚㪥㪛㪑㩷㪦㪝㪝 㪚㪥㪛㪑㩷㪦㪝㪝 10 12 16 18 return air temp.= Outdoor air temp.(͠) 㪚㪥㪛㪑㩷㪦㪥 return air temp. increasing damper of the total heat exchanger be controlled by CnD. ・ By-pass return air temp.can decreasing 㪚㪥㪛㪑㩷㪦㪝㪝 㪚㪥㪛㪑㩷㪦㪝㪝 CND on10PCB signal according return air temp.= Outdoor air temp.(͠)to outdoor temp(=return 12 outputs 16 18 ON/OFF temp.). ・When using this function, the return air temp. sensor should be relocated to the position where the outdoor air temp. can be detected. Relocate Relocate OA EA Total heatheat Total exchanger exchanger EA RA SAF-DX RA SAF-DX OA SA SA (11) Auto mode changeover temp ・KX(R)E6 indoor unit Auto mode changeover temp. is ±3℃. ・SAF-DX Auto mode changeover factory setting temp. is ±2℃. ・The temp. to change operation mode can be changed by using remote controller function setting No.11 as follows. 䃨 factory default Remote Controller function No 11 Actual meaning Display on R/C Function VENT LINK SET 䃨NO VENT 䃨Auto mode A ± 2͠ VENT LINK Auto mode B ± 1.5͠ NO VENT LINK Auto mode C ± 1͠ 㪛㪼㪺㫉㪼㪸㫊㪼㩷㫋㪼㫄㫇㪅 㪠㫅㪺㫉㪼㪸㫊㪼㩷㫋㪼㫄㫇㪅 㪝㪸㫅㩷㫄㫆㪻㪼 㪝㪸㫅㩷㫄㫆㪻㪼 㪝㪸㫅㩷㫄㫆㪻㪼 㪟㪼㪸㫋㫀㫅㪾㩷㫄㫆㪻㪼 㪟㪼㪸㫋㫀㫅㪾㩷㫄㫆㪻㪼 㪟㪼㪸㫋㫀㫅㪾㩷㫄㫆㪻㪼 䋭䋲 䋭㪈 䋫㪈 䂥 㪪㪼㫋㩷㫇㫆㫀㫅㫋㩷㪫㫊㪀 Auto mode A 䋫䋲 䋨㷄䋩 㪚㫆㫆㫃㫀㫅㪾㩷㫄㫆㪻㪼 㪚㫆㫆㫃㫀㫅㪾㩷㫄㫆㪻㪼 㪚㫆㫆㫃㫀㫅㪾㩷㫄㫆㪻㪼 䋫㪇㪅㪌 䋫㪈㪅㪌 䂥 㪪㪼㫋㩷㫇㫆㫀㫅㫋㩷㩿㪫㫊㪀 䋭㪈㪅㪌 䋭㪇㪅㪌 Auto mode B - 21 - 䋨㷄䋩 䋭㪈 䋭㪇㪅㪌 䋫㪇㪅㪌 䂥 㪪㪼㫋㩷㫇㫆㫀㫅㫋㩷㩿㪫㫊㪀 䋫㪈 䋨㷄䋩 Auto mode C '11•SAF-T-161 8. User’s manual PSA012B751 Fresh Air DX Assembly (SAF-DX) Supplementary Information This User’s manual addresses only a topic particular to this unit (more specifically, the underlined section). For any other contents, refer to the User’s manual attached to the outdoor unit. N HOW TO OPERATE <WIRED REMOTE CONTROL> Press MODE button. The range of operation mode is displayed according to the model of indoor unit. Fresh Air DX Assembly (SAF-DX), operation in dehumidifying mode is not possible. Setting to dehumidifying mode will perform operation in cooling mode. Every time the button is pressed, the display changes in the following order dry © cool © fan © heat. (© auto)* (The automatic operation can be selected in case of the heat recovery system KXR only. The automatic operation cannot be selected in case of heat pump system KX.) • With auto operation, heating and cooling is automatically changed depending on difference between the setting temperature and room temperature.* cooling operation heating operation –3 (–2) +3 (+2) room setting temperature * ( ) indicates the figure of SAF-DX. * IN case of FDU-F The setting temperature of the remote controller indicates the outdoor temperature while operating thermostat ON/OFF. <WIRELESS REMOTE CONTROL> OPERATION MODE select button (Dehumidifying operation is prohibited for SAF-DX.) Every time this button is pressed, Ndisplays switch as below (AUTO) (COOL) (HEAT) (FAN) (DRY) For the outdoor unit with Duct connected -High static pressure outdoor air processing unit (FDU-F) and Fresh Air DX Assembly (SAF-DX), operation in dehumidifying mode is not possible. Setting to dehumidifying mode will perform operation in cooling mode. N HOW TO MAINTAIN N Fresh Air DX Assembly (SAF-DX) The air filter uses the filter of the total heat exchanger. Follow the instructions in the User’s Manual for the total heat exchanger. 1 - 22 - '11•SAF-T-161 9. Installation manual PCH012D006 DUCT CONNECTED HIGH STATIC PRESSURE AIR CONDITIONING UNIT INSTALLATION MANUAL This manual is for the installation of an indoor unit. For electrical wiring work (Indoor), refer to the electrical wiring work installation manual. For remote controller installation, refer to the installation manual attached to a remote controller. For wireless kit installation, refer to the installation manual attached to a wireless kit. For electrical wiring work (Outdoor) and refrigerant pipe work installation for outdoor unit, refer to the installation manual attached to an outdoor unit. CAUTION ٨Perform earth wiring surely. Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring. Improper earth could cause unit failure and electric shock due to a short circuit. ٨Earth leakage breaker must be installed. If the earth leakage breaker is not installed, it can cause electric shocks. ٨Use the circuit breaker of correct capacity. Circuit breaker should be the one that disconnect all poles under over current. SAFETY PRECAUTIONS Using the incorrect one could cause the system failure and fire. ٨Read the “SAFETY PRECAUTIONS” carefully first of all and then strictly follow it during the installation work in order to protect yourself. and CAUTION . ٨The precautionary items mentioned below are distinguished into two levels, : Wrong installation would cause serious consequences such as injuries or death. CAUTION : Wrong installation might cause serious consequences depending on circumstances. Both mentions the important items to protect your health and safety so strictly follow them by any means. ٨The meanings of “Marks” used here are as shown on the right: Never do it under any circumstances. ٨Do not use any materials other than a fuse of correct capacity where a fuse should be used. Connecting the circuit by wire or copper wire could cause unit failure and fire. ٨Do not install the indoor unit near the location where there is possibility of flammable gas leakages. If the gas leaks and gathers around the unit, it could cause fire. ٨Do not install and use the unit where corrosive gas (such as sulfurous acid gas etc.) or flammable gas (such as thinner, petroleum etc.) may be generated or accumulated, or volatile flammable substances are handled. It could cause the corrosion of heat exchanger, breakage of plastic parts etc. And inflammable gas could cause fire. ٨Secure a space for installation, inspection and maintenance specified in the manual. Always do it according to the instruction. Insufficient space can result in accident such as personal injury due to falling from the installation place. ٨After completing the installation, do commissioning to confirm there are no abnormalities, and explain to the customers about “SAFETY PRECAUTIONS”, correct operation method and maintenance method (air filter cleaning, operation method and temperature setting method) with user’s manual of this unit. Ask your customers to keep this installation manual together with the user’s manual. Also, ask them to hand over the user’s manual to the new user when the owner is changed. ٨Do not use the indoor unit at the place where water splashes such as laundry. Indoor unit is not waterproof. It could cause electric shock and fire. ٨ Do not use the indoor unit for a special purpose such as food storage, cooling for precision instrument, preservation of animals, plants, and a work of art. It could cause the damage of the items. ٨ Do not install nor use the system near equipments which generate electromagnetic wave or high harmonics. Equipments like inverter equipment, private power generator, high-frequency medical equipment, or telecommunication equipment might influence the air conditioner and cause a malfunction and breakdown. Or the air conditioner might influence medical equipments or telecommunication equipments, and obstruct their medical activity or cause jamming. WARNING ٨ Do not install the remote controller at the direct sunlight. ٨Installation should be performed by the specialist. It could cause breakdown or deformation of the remote controller. If you install the unit by yourself, it may lead to serious trouble such as water leakage, electric shock, fire, and injury due to overturn of the unit. ٨ Do not install the indoor unit at the place listed below. · Places where flammable gas could leak. · Places where carbon fiber, metal powder or any powder is floated. · Place where the substances which affect the air conditioner are generated such as sulfide gas, chloride gas, acid, alkali or ammonic atmospheres. · Places exposed to oil mist or steam directly. · On vehicles and ships · Places where machinery which generates high harmonics is used. ٨Install the system correctly according to these installation manuals. Improper installation may cause explosion, injury, water leakage, electric shock, and fire. ٨Checkthedensityreferedbythefoumula (accordancewithISO5149). Ifthedensityexceedsthelimitdensity, pleaseconsultthe dealer andinstallatetheventilationsystem. ٨Use the genuine accessories and the specified parts for installation. · Places where cosmetics or special sprays are frequently used. · Highly salted area such as beach. · Heavy snow area · Places where the system is affected by smoke from a chimney. · Altitude over 1000m ٨ Do not install the indoor unit in the locations listed below (Be sure to install the indoor unit according to the installation manual for each model because each indoor unit has each limitation) If parts unspecified by our company are used it could cause water leakage, electric shock, fire, and injury due to overturn of the unit. ٨Ventilate the working area well in case the refrigerant leaks during installation. · Locations with any obstacles which can prevent inlet and outlet air of the unit · Locations where vibration can be amplified due to insufficient strength of structure. · Locations where the infrared receiver is exposed to the direct sunlight or the strong light beam. (in case of the infrared specification unit) · Locations where an equipment affected by high harmonics is placed. (TV set or radio receiver is placed within 5m) · Locations where drainage cannot run off safely. It can affect performance or function and etc.. If the refrigerant contacts the fire, toxic gas is produced. ٨Install the unit in a location that can hold heavy weight. Improper installation may cause the unit to fall leading to accidents. ٨Install the unit properly in order to be able to withstand strong winds such as typhoons, and earthquakes. Improper installation may cause the unit to fall leading to accidents. ٨ Do not put any valuables which will break down by getting wet under the air conditioner. ٨Do not mix air in to the cooling cycle on installation or removal of the air conditioner. Condensation could drop when the relative humidity is higher than 80% or drain pipe is clogged, and it damages user’s belongings. If air is mixed in, the pressure in the cooling cycle will rise abnormally and may cause explosion and injuries. ٨ Install the drain pipe to drain the water surely according to the installation manual. ٨Be sure to have the electrical wiring work done by qualified electrical installer, and use exclusive circuit. Improper connection of the drain pipe may cause dropping water into room and damaging user’s belongings. Power source with insufficient capacity and improper work can cause electric shock and fire. ٨ Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work. If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room, lack of oxygen can occur, which can cause serious accidents. ٨Use specified wire for electrical wiring, fasten the wiring to the terminal securely, and hold the cable securely in order not to apply unexpected stress on the terminal. ٨ For drain pipe installation, be sure to make descending slope of greater than 1/100, not to make traps, and not to make air-bleeding. Loose connections or hold could result in abnormal heat generation or fire. ٨Arrange the electrical wires in the control box properly to prevent them from rising. Fit the lid of the services panel property. Check if the drainage is correctly done during commissioning and ensure the space for inspection and maintenance. ٨ Ensure the insulation on the pipes for refrigeration circuit so as not to condense water. Improper fitting may cause abnormal heat and fire. Incomplete insulation could cause condensation and it would wet ceiling, floor, and any other valuables. ٨Check for refrigerant gas leakage after installation is completed. ٨ Pay extra attention, carrying the unit by hand. If the refrigerant gas leaks into the house and comes in contact with a fan heater, a stove, or an oven, toxic gas is produced. Carry the unit with 2 people if it is heavier than 20kg. Do not use the plastic straps but the grabbing place, moving the unit by hand. Use protective gloves in order to avoid injury by the aluminum fin. ٨Use the specified pipe, flare nut, and tools for R410A. ٨ Make sure to dispose of the packaging material. Using existing parts (R22) could cause the unit failure and serious accident due to explosion of the cooling cycle. Leaving the materials may cause injury as metals like nail and woods are used in the package. ٨Tighten the flare nut according to the specified method by with torque wrench. ٨ Do not operate the system without the air filter. If the flare nut were tightened with excess torque, it could cause burst and refrigerant leakage after a long period. It may cause the breakdown of the system due to clogging of the heat exchanger. ٨Do not put the drainage pipe directly into drainage channels where poisonous gases such as sulfide gas can occur. ٨ Do not touch any button with wet hands. It could cause electric shock. Poisonous gases will flow into the room through drainage pipe and seriously affect the user's health and safety. This can also cause the corrosion of the indoor unit and a resultant unit failure or refrigerant leak. ٨ Do not touch the refrigerant piping with bare hands when in operation. The pipe during operation would become very hot or cold according to the operating condition, and it could cause a burn or frostbite. ٨Connect the pipes for refrigeration circuit securely in installation work before compressor is operated. ٨ Do not clean up the air conditioner with water. If the compressor is operated when the service valve is open without connecting the pipe, it could cause explosion and injuries due to abnormal high pressure in the system. It could cause electric shock. ٨ Do not turn off the power source immediately after stopping the operation. ٨Stop the compressor before removing the pipe after shutting the service valve on pump down work. Be sure to wait for more than 5 minutes. Otherwise it could cause water leakage or breakdown. If the pipe is removed when the compressor is in operation with the service valve open, air would be mixed in the refrigeration circuit and it could cause explosion and injuries due to abnormal high pressure in the cooling cycle. ٨ Do not control the operation with the circuit breaker. It could cause fire or water leakage. In addition, the fan may start operation unexpectedly and it may cause injury. ٨Only use prescribed optional parts. The installation must be carried out by the qualified installer. If you install the system by yourself, it can cause serious trouble such as water leaks, electric shocks, fire. ٨Do not repair by yourself. And consult with the dealer about repair. Improper repair may cause water leakage, electric shock or fire. ٨Consult the dealer or a specialist about removal of the air conditioner. Improper installation may cause water leakage, electric shock or fire. ٨Turn off the power source during servicing or inspection work. If the power is supplied during servicing or inspection work, it could cause electric shock and injury by the operating fan. ٨Shut off the power before electrical wiring work. It could cause electric shock, unit failure and improper running. - 23 - '11•SAF-T-161 Control box Important Air outlet Air outlet Make sure to use the unit in combination with the total heat exchanger. Use the unit within the air flow range of ԙ. Suction ԚPreparation before installation When the unit is installed, this face becomes at the bottom. ԘBefore installation ٨Install correctly according to the installation manual. ٨Confirm the following points: Location of accessory (In the packing) ޓ٤Unit type/Power supply specification Documents (Fixed with ޓ٤Pipes/Wires/Small parts adhesive tape.) ޓ٤Accessory items ٨If suspension bolt becomes longer, do reinforcement of earthquake resistant. ޓ٤For grid ceiling ޓޓWhen the suspension bolt length is over 500mm, or the gap between the ceiling and roof is over 700mm, apply earthquake resistant brace to the bolt. ٤In case the unit is hanged directly from the slab and is installed on the ceiling plane which has enough strength. ޓޓWhen suspension bolt length is over 1000mm, apply the earthquake resistant brace to the bolt. ٨Prepare four (4) sets of suspension bolt, nut and spring washer (M10) on site. Suspension Bolt Location Accessory Accessory item 160 ) ct O L9 27 67 90 3 15 28 5 450 L2 270 L5 Exit duct 160 264 Code A B C D E F G L8 (D uc tO .D ) D E F Bottom face of hanging hardware) L4 G L1 Type SAF-DX1000E6 SAF-DX800E6 SAF-DX500E6 SAF-DX350E6 SAF-DX250E6 L1 822 682 537 452 452 L2 710 570 425 340 340 L3 630 490 345 260 260 L4 250 320 212.5 170 170 L5 190 250 212.5 170 170 Item Piping at refrigerant gas side Piping at refrigerant liquid side For natural draining Power cable intake Total heat exchanger wire intake Communication cable intake Hanging bolt L6 L7 385 325 320 250 212. 5 212.5 170 170 170 170 L8 2-ø200 ø250 ø200 ø150 ø150 200 or more Space for drain trap and gradient of drain [Hanging] Hang the unit up. Piping space If the measurements between the unit and the ceiling hole do not match upon installation, it may be adjusted with the long holed installation tool. Suspension bolt Washer for M10 500 82 M10 nut Unit 82 When the conditions as shown at left cannot be met, it may be arranged as shown at right. Type SAF-DXP10003 SAF-DXP8003 SAF-DXP5003 SAF-DXP3503 Spring washer for M10 100 Suction (For service at both side and bottom faces) A 870 730 585 500 Adjustment for horizontality Air flow range Air flow range (m3/h) Resistance in the unit (Pa) Lower limit air flow (m3/h) Resistance in the unit (Pa) Upper limit air flow (m3/h) Resistance in the unit (Pa) 250 350 500 800 1000 25 66 66 66 66 200 280 400 640 800 38 45 45 45 45 300 420 600 960 1200 50 90 90 90 90 ٤Either use a level vial, or adjust the level according to the method below. ٨Adjust so the bottom side of the unit will be leveled with the water surface as illustrated below. Pipe side Pour water Water surface Air conditions 0~5mm Suction air temperature of indoor unit Cooling Heating Upper limit 27˚C DB Upper limit 27˚C DB With outdoor temperature at 35˚C Outdoor temperature lower than 20˚C WB Upper limit 16.5˚C WB With outdoor temperature at -5˚C L9 ø250 ø250 ø200 ø150 ø150 ԛInstallation of indoor unit Elevation is same as shown at left. Access hole (500×A) 400 or more 60 Air outlet 300 or more 100 or more 650 or more Ceiling 220 180 Access hole Bottom face 220 Plan view (Unit: mm) Space required for installation and removal of duct (Dimensions may be reduced at site as required.) (Side service space) A 337 Top face Installation Elevation (Unit: mm) Service space L3 40 71 67 Control box ٨Make installation altitude over 2.5m. Access hole (450×450) 70 B Space for installation and service Air outlet C 64 (D u Hanging bolt pitch ԙSelection of installation location for the indoor unit Slab Exit duct Suction duct .D For heat insulation of refrigerant pipe ԘSelect the suitable areas to install the unit under approval of the user. ޓAreas where the indoor unit can deliver hot and cold wind sufficiently. Suggest to the user to use a circulator if the ceiling height is over 3m to avoid warm air being accumulated on the ceiling. Areas where there is enough space to install and service. Areas where it can be drained properly. Areas where drain pipe descending slope can be taken. Areas where there is no obstruction of airflow on both air return grille and air supply port. Areas where fire alarm will not be accidentally activated by the air conditioner. Areas where the supply air does not short-circuit. Areas where it is not influenced by draft air. Areas not exposed to direct sunlight. Areas where dew point is lower than around 28°C and relative humidity is lower than 80%. This indoor unit is tested under the condition of JIS (Japan Industrial Standard) high humidity condition and confirmed there is no problem. However, there is some risk of condensation drop if the air conditioner is operated under the severer condition than mentioned above. If there is a possibility to use it under such a condition, attach additional insulation of 10 to 20mm thick for entire surface of indoor unit, refrigeration pipe and drain pipe. Areas where TV and radio stays away more than 1m. (It could cause jamming and noise.) Areas where any items which will be damaged by getting wet are not placed such as food, table wares, server, or medical equipment under the unit. Areas where there is no influence by the heat which cookware generates. Areas where not exposed to oil mist, powder and/or steam directly such as above fryer. Areas where lighting device such as fluorescent light or incandescent light doesn’t affect the operation. (A beam from lighting device sometimes affects the infrared receiver for the wireless remote controller and the air conditioner might not work properly.) ԙCheck if the place where the air conditioner is installed can hold the weight of the unit. If it is not able to hold, reinforce the structure with boards and beams strong enough to hold it. If the strength is not enough, it could cause injury due to unit falling. Plan view (Unit: mm) 18 40 1 pc. ※ SAF-DX250E6 SAF-DX350E6 SAF-DX500E6 SAF-DX800E6 SAF-DX1000E6 Suction duct 337 18 Type L6 Hanging bolt pitch Pipe insulation Suction Unit: mm L7 362 373 Lower limit 10˚C DB Outdoor temperature higher than -20˚C WB Air temperature around indoor unit Vinyl hose Let the pipe side be slightly sloped. ٤If the unit is not leveled, it may cause malfunctions or inoperation of the float switch. Dew-point temperature lower than 28˚C For details of air conditions, refer to the technical data issued by us. - 24 - '11•SAF-T-161 ԞDrain pipe ԜDuct Work Caution OA ٨Install the drain pipe according to the installation manual in order to drain properly. Imperfection in draining may cause flood indoors and wetting the household goods, etc. ٨Do not put the drain pipe directly into the ditch where toxic gas such as sulfur, the other harmful and inflammable gas is generated. Toxic gas would flow into the room and it would cause serious damage to user’s health and safety (some poisoning or deficiency of oxygen). In addition, it may cause corrosion of heat exchanger and bad smell. ٨Connect the pipe securely to avoid water leakage from the joint. ٨Insulate the pipe properly to avoid condensation drop. ٨Check if the water can flow out properly from both the drain outlet on the indoor unit and the end of the drain pipe after installation. ٨Make sure to make descending slope of greater than 1/100 and do not make up-down bend and/or trap in the midway. In addition, do not put air vent on the drain pipe. Check if water is drained out properly from the pipe during commissioning. Also, keep sufficient space for inspection and maintenance. RA EA SA Humidifier Ceiling surface Total heat exchanger Suction inlet with humidifier (with air filter) Direct expansion coil kit Access hole (450□) Air outlet ԘNo air filter is attached to the main unit of air conditioner. Assemble an air filter in the suction grill for convenience of cleaning. ԙSelect appropriate location and form for the air outlet to distribute air throughout the room. Moreover, the air outlet should be able to adjust the air flow volume. ԚAn access hole must be provided at the ceiling. It is indispensable to maintain electrical equipment, motor and functional items, and to wash the heat exchanger. ԛDuct must be heat-insulated to prevent dewing. Necessary thickness of insulator is 65 mm (JIS A9501). Work procedure 1. Make sure to insert the drain hose (the end mode of soft PVC) to the end of the step part of drain socket. Attach the hose clamp to the drain hose around 10mm from the end, and fasten the screw within 5mm left to the nut. ޓ٨Do not apply adhesives on this end. ޓ٨Do not use acetone-based adhesives to connect to the drain socket. ԝRefrigerant pipe VP-25 (Prepare on site) Caution VP-20 (Prepare on site) ٨Use the new refrigerant pipe. Pipe cover (big) (For insulation) (Accessory) ޓWhen re-using the existing pipe system for R22 or R407C, pay attention to the following items. ޓChange the flare nuts with the attached ones (JIS category 2), and reprocess the flare parts. ޓDo not use thin-walled pipes. Drain socket ٨Use phosphorus deoxidized copper alloy seamless pipe (C1220T specified in JIS H3300) for refrigeration pipe installation. ޓIn addition, make sure there is no damage both inside and outside of the pipe, and no harmful substances such as sulfur, oxide, dust or a contaminant stuck on the pipes. ٨Do not use any refrigerant other than R410A. Stage difflernce part Joint for VP-20 (Prepare on site) Unit Drain hose Drain socket Drain hose (Accessory) Clamp (Accessory) (No adhesive allowed) Pipe cover (For insulation) (Prepare on site) Pipe cover (small) (For insulation) (Accessory) ޓUsing other refrigerant except R410A (R22 etc.) may degrade inside refrigeration oil. And air getting into refrigeration circuit may cause over-pressure and resultant it may result in bursting, etc. ٨Store the copper pipes indoors and seal the both end of them until they are brazed in order to avoid any dust, dirt or water getting into pipe. Otherwise it will cause degradation of refrigeration oil and compressor breakdown, etc. ٨Use special tools for R410 refrigerant. Fasten the screw within 5 mm left to the nut. Hose clamp Drain socket Drain hose Piping work Refrigerant pipe 250mm (Section where attached in a straight line) Metal plate When conducting piping work, make sure to allow the pipes to be aligned in a straight line for at least 250 mm, as shown in the left illustration. (This is necessary for the drain pump to function) 2. Prepare a joint for connecting VP-20 pipe, adhere and connect the joint to the drain hose (the end made of rigid PVC), and adhere and connect VP-20 pipe (prepare on site). ̪As for drain pipe, apply VP-20 made of rigid PVC which is on the market. ٨When installing drain pipe, use VP-20 for the pipe goes up the closest to the unit, and VP-25 or higher number product for farther pipes. ٨Make sure that the adhesive will not get into the supplied drain hose. It may cause the flexible part broken after the adhesive is dried up and gets rigid. ٨The flexible drain hose is intended to absorb a small difference at installation of the unit or drain pipes. Intentional bending, expanding may cause the flexible hose broken and water leakage. Work procedure 1. Remove the flare nut and blind flanges on the pipe of the indoor unit. ̪Make sure to loosen the flare nut with holding the nut on pipe side with a spanner and giving torque to the nut with another spanner in order to avoid unexpected stress to the copper pipe, and then remove them. (Gas may come out at this time, but it is not abnormal.) ٨Pay attention whether the flare nut pops out. (as the indoor unit is sometimes pressured.) 2. Make a flare on liquid pipe and gas pipe, and connect the refrigeration pipes on the indoor unit. ̪Bend the pipe with as big radius as possible and do not bend the pipe repeatedly. In addition, do not twist and crush the pipes. ̪Do a flare connection as follows: ٨Make sure to loosen the flare nut with holding the nut on pipe side with a spanner and giving torque to the nut with another spanner in order to avoid unexpected stress to the copper pipe, and then remove them. ٨When fastening the flare nut, align the refrigeration pipe with the center of flare nut, screw the nut for 3-4 times by hand and then tighten it by spanner with the specified torque mentioned in the table below. Make sure to hold the pipe on the indoor unit securely by a spanner when tightening the nut in order to avoid unexpected stress on the copper pipe. 3. Cover the flare connection part of the indoor unit with attached insulation material after a gas leakage inspection, and tighten both ends with attached straps. ٨Make sure to insulate both gas pipes and liquid pipes completely. ̪Incomplete insulation may cause dew condensation or water dropping. 4. Refrigerant is charged in the outdoor unit. As for the additional refrigerant charge for the indoor unit and piping, refer to the installation manual attached to the outdoor unit. 3. Make sure to make descending slope of greater than 1/100 and do not make up-down bend and/or trap in the midway. ٨Pay attention not to give stress on the pipe on the indoor unit side, and support and fix the pipe as close place to the unit as possible when connecting the drain pipe. ٨Do not set up air vent. 1.5m~2m Supporting metal SAF-DX800E6 SAF-DX500E6 SAF-DX350E6 SAF-DX250E6 Liquid pipe Gas pipe Liquid pipe Gas pipe Liquid pipe Gas pipe Liquid pipe Gas pipe Liquid pipe Gas pipe φ 9.52 φ 15.88 φ 6.35 φ 12.7 φ 6.35 φ 12.7 φ 6.35 φ9.52 φ 6.35 φ9.52 Flare connection Flare connection Flare connection Flare connection Flare connection Flare connection Flare connection Flare connection Flare connection Flare connection Strap (Accessory) No bump Air vent Trapped air will generate noises. No trap Not touching the water Insulation material Descending slope greater than 1/100 ٨When sharing a drain pipe for more than one unit, lay the main pipe 100mm below the drain outlet of the unit. In addition, select VP-30 or bigger size for main drain pipe. Type SAF-DX1000E6 10mm Pipe cover (Accessory) The thickness of insulation should be 20mm or more. - As wide as possible (about100mm) VP-30 or bigger Descending slope greater than 1/100 4. Insulate the drain pipe. ٨Be sure to insulate the drain socket and rigid PVC pipe installed indoors otherwise it may cause dew condensation and water leakage. ̪After drainage test implementation, cover the drain socket part with pipe cover (small size), then use the pipe cover (big size) to cover the pipe cover (small size), clamps and part of the drain hose, and fix and wrap it with tapes to wrap and make joint part gapless. 25 - '11•SAF-T-161 ԞDrain pipe (continued) ԠCheck list after installation Drain up ٨Check the following items after all installation work completed. ٨The position for drain pipe outlet can be raised up to 600mm above the ceiling. Use elbows for installation to avoid obstacles inside ceiling. If the horizontal drain pipe is too long before vertical pipe, the backflow of water will increase when the unit is stopped, and it may cause overflow of water from the drain pan on the indoor unit. In order to avoid overflow, keep the horizontal pipe length and offset of the pipe within the limit shown in the figure below. 600 Maximum local drain up dimension 290~325mm Drain hose Check if Expected trouble The indoor and outdoor units are fixed securely? Falling, vibration, noise Inspection for leakage is done? Insufficient capacity Insulation work is properly done? Water leakage Does the air flow falls within the range of ? It cannot cool or warm Water is drained properly? Water leakage Check Supply voltage is same as mentioned in the model name plate? PCB burnt out, not working at all Right overhead Joint for VP20 (local procurement) Otherwise, the construction point makes it same as drain pipe construction. There is mis-wiring or mis-connection of piping? PCB burnt out, not working at all Earth wiring is connected properly? Electric shock Cable size comply with specified size? PCB burnt out, not working at all Any obstacle blocks airflow on air inlet and outlet? Insufficient capacity ٨After completing the check, test-run the unit according to the procedure described in the Outdoor Unit Installation Manual. Drain test 1. Conduct a drain test after completion of the electrical work. 2. During the trail, 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 1. Supply about 1000 cc of water to the unit through the air outlet by using a feed water pump. 2. Check the drain while cooling operation. Insert water supply hose for 50mm to supply water. (Insert hose facing toward bottom.) Remove grommet Make sure to Install it back after test. Attached drain hose clamp Pour water into a convex joint Drain Main piping unit Drain situation can be checked with transparent socket. If 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. ԟWiring-out position and wiring connection ٨Electrical installation work must be performed according to the installation manual by an electrical installation service provider qualified by a power provider of the country, and be executed according to the technical standards and other regulations applicable to electrical installation in the country. Be sure to use an exclusive circuit. ٨Use specified cord, fasten the wiring to the terminal securely, and hold the cord securely in order not to apply unexpected stress on the terminal. ٨Do not put both power source line and signal line on the same route. It may cause miscommunication and malfunction. ٨Be sure to do D type earth work. ٨For the details of electrical wiring work, see attached instruction manual for electrical wiring work. 1. Remove a lid of the control box (2 screws). 2. Hold each wiring inside the unit and fasten them to terminal block securely. 3. Fix the wiring with clamps. 4. Install the removed parts back to original place. 3 Indoor unit power cable. Communication terminal block Total heat exchanger cable Band for driving electric power cable Super Link cable X Y A B Total heat exchanger terminal block 1 2 3 4 5 6 1 2 Power supply terminal block Do not connect the power supply for the total heat exchanger to the power supply terminal block. Band for light electric cable Remote control cable For further details, refer to the attached Electric Wiring Work Manual (see next page). - PCH012D006 26 - '11•SAF-T-161 ELECTRIC WIRING WORK INSTRUCTION Electrical wiring work must be performed by an electrician qualified by a local power provider according to the electrical installation technical standards and interior wiring regulations applicable to the installation site. Security instructions ٨ Read the “SAFETY PRECAUTIONS” carefully first of all and then strictly follow it during the installation work in order to protect yourself. ٨ The precautionary items mentioned below are distinguished into two levels, and CAUTION . : Wrong installation would cause serious consequences such as injuries or death. CAUTION : Wrong installation might cause serious consequences depending on circumstances. Both mentions the important items to protect your health and safety so strictly follow them by any means. ٨ The meanings of “Marks” used here are as shown on the right: Never do it under any circumstances. Always do it according to the instruction. ٨ Accord with following items. Otherwise, there will be the risks of electric shock and fire caused by overheating or short circuit. WARNING ٨Be sure to have the electrical wiring work done by qualified electrical installer, and use exclusive circuit. Power source with insufficient capacity and improper work can cause electric shock and fire. PCH012D007 ԘPower supply – Wire connection between the indoor/outdoor unit and the total heat exchanger (continued) ٨Electrical wiring work must be performed by an electlician an qualified by a local power provider. These wiring specifications are determined on the assumption that the following instructions are observed: Ԙ Do not use cords other than copper ones. Do not use any supply line lighter than one specified in parentheses for each type below. -braided cord (code designation 60245 IEC 51), if allowed in the relevant part 2; -ordinary tough rubber sheathed cord (code designation 60245 IEC 53); -flat twin tinsel cord (code designation 60227 IEC 41); -ordinary polyvinyl chloride sheathed cord (code designation 60227 IEC 53); ԙ Provide a separate power outlet for each outdoor or indoor unit. Ԛ All indoor units grouped in one system must have power source that can be turned on or off simultaneously. ԛ Pay extra attention so as not to confuse signal line and power source line connection, because an error in their connection can be burn all the boards at once. ٨Connection of the line ("Between indoor and outdoor unit", Earth and Remote controller) Ԙ Remove lid of control box before connect the above lines, and connect the lines to terminal block according to number pointed on label of terminal block. In addition, pay enough attention to confirm the number to lines, because there is electrical polarity except earth line. Furthermore, connect earth line to earth position of terminal block of power source. ԙ Install earth leakage breaker on power source line. In addition, select the type of breaker for inverter circuit as earth leakage breaker. Ԛ If the function of selected earth leakage breaker is only for earth-fault protection, hand switch (switch itself and type "B" fuse) or circuit breaker is required in series with the earth leakage breaker. ԛ Install isolator or disconnect switch on the power supply wiring in accordance with the local codes and regulations. The isolator should be set in the box with key to prevent touching by another person when servicing. Cabling system diagram (Outdoor/indoor unit connection procedure) ٨Use specified wire for electrical wiring, fasten the wiring to the terminal securely, and hold the cable securely in order not to apply unexpected stress on the terminal. 㿈 㿉 㪙 䂾 Earth leakage breaker ٨Arrange the electrical wires in the control box properly to prevent them from rising. Fit the lid of the services panel property. Specification of each line Power source line 2.0~3.5mm2 Signal line (Shielded cord) 0.75~1.25mm2 Remote controller line 0.3~1.25mm2 Outdoor unit Power source Loose connections or hold could result in abnormal heat generation or fire. Signal line (between indoor and outdoor units) Circuit breaker Use shielded cord for a signal line and connect “earth (signal line)” at all the indoor units and outdoor units. Improper fitting may cause abnormal heat and fire. ٨Use the genuine optional parts. And installation should be performed by a specialist. If you install the unit by yourself, it could cause water leakage, electric shock and fire. 㿓㩷 ٨Do not repair by yourself. And consult with the dealer about repair. 㿕㩷 Improper repair may cause water leakage, electric shock or fire. 㩷 㿉 㿈 㩷 Indoor unit1 㿟㩷 㿠 㪰 Remote 䂾 controller line Earth ٨Consult the dealer or a specialist about removal of the air conditioner. Improper installation may cause water leakage, electric shock or fire. ٨Turn off the power source during servicing or inspection work. 㿓 㩷 㿕 㩷 㿉 㿈㩷 Indoor unit2 Signal line (between indoor unit) 㿟㩷 㿠 Remote controller line Earth 㿟 㩷㿠 㿟 㩷㿠 Remote controller 㩷 Remote controller 㩷 ٨Perform earth wiring surely. Indoor unit Do not connect the earth wiring to the gas pipe, water pipe, lightning rod and telephone earth wiring. Improper earth could cause unit failure and electric shock due to a short circuit. ٨Make sure to connect wires so that the total heat exchanger is operated synchronized with the operation of SAF. Do not operate from the remote controller of total heat exchanger. TB2 6 5 AC200V XR1 1 CAUTION 2 4 It could cause electric shock, unit failure and improper running. 3 ٨Shut off the power before electrical wiring work. 52X1 If the power is supplied during servicing or inspection work, it could cause electric shock and injury by the operating fan. 51X1 Wire connection to total heat exchanger Error output External operation input Humidifier ٨For details, refer to the installation manual and the instruction manual of total heat exchanger. External operation input Total heat exchanger Total heat exchanger Power source line specification ٨Earth leakage breaker must be installed. Wiring specification If the earth leakage breaker is not installed, it can cause electric shocks. ٨Make sure to install earth leakage breaker on power source line. (countermeasure thing to high harmonics.) Unit type Absence of breaker could cause electric shock. Earth leakage breaker SAF-DX250E6 350E6 500E6 15A 30mA 0.1sec 800E6 1000E6 ٨Use the circuit breaker of correct capacity. Circuit breaker should be the one that disconnect all poles under over current. Using the incorrect one could cause the system failure and fire. ٨Do not use any materials other than a fuse of correct capacity where a fuse should be used. Circuit breaker Overcurrent protector rated capacity Switch breaker 30A 15A Wiring size Power source line Wire length Signal line 2 2.0mm 2000m 0.75~2 ×2 1.25mm ×2 Remote controller line 2 0.3mm ×2cores Earth line 2 2.0mm Note (1) The cord distances are calculated with a voltage drop of 2%. If the distance should exceed the above data, review the cord thickness to use in accordance with your extension cord regulations. (2) When total extension of remote controller line is more than 100m, change the size of cord according to "Ԛ Remote Control, Wiring and functions". Connecting the circuit by wire or copper wire could cause unit failure and fire. ٨Use power source line of correct capacity. Using incorrect capacity one could cause electric leak, abnormal heat generation and fire. In case of Heat recovery 3-pipe systems ٨Do not mingle solid cord and stranded cord on power source and signal side terminal block. Branching controller of heat recovery 3-pipe systems wiring In addition, do not mingle difference capacity solid or stranded cord. Inappropriate cord setting could cause loosing screw on terminal block, bad electrical contact, smoke and fire. ٨When this unit is used as a "Heat Recovery 3-pipe Systems", refer to the installation manual of a branching controller (option). ٨Do not turn off the power source immediately after stopping the operation. Be sure to wait for more than 5 minutes. Otherwise it could cause water leakage or breakdown. ٨Install an over-current and earth leakage breaker (threshold current: 30mA) specified for each unit without fail. ٨ Provide a dedicated branching circuit and never share a branching circuit with other equipment. If shared, disconnection at the circuit breaker may occur, which can cause secondary damage. ٨Set earth of D-type. ٨Connection of a cable beyond 3.5 mm 2 is not permitted. When cables of over 5.5 mm 2 are in use, provide a dedicated pull box to take a branch to an indoor unit. ٨Keep "remote controller line" and "power source line" away from each other on constructing of unit outside. ٨Run the lines (power source, remote controller and "between indoor and outdoor unit") upper ceiling through iron pipe or other tube protection to avoid the damage by mouse and so on. ٨Do not add cord in the middle of line (of indoor power source, remote controller and signal) route on outside of unit. If connecting point is flooded, it could cause problem as for electric or communication. (In the case that it is necessary to set connecting point on the signal line way, perform thorough waterproof measurement.) ٨Do not connect the power source line [220V/240V/380V/415V] to signal side terminal block. Otherwise, it could cause failure. ٨Screw the line to terminal block without any looseness, certainly. ٨Do not turn on the switch of power source, before all of line work is done. 1. Remove a lid of the control box (2 screws). 2. Hold each wiring inside the unit and fasten them to terminal block securely. 3. Fix the wiring with clamps. 4. Install the removed parts back to original place. 2 Indoor unit power cable. 1 ԘPower supply – Wire connection between the indoor/outdoor unit and the total heat exchanger TB1 1 2 3 4 5 6 ٨Electrical installation work must be performed according to the installation manual by an Power supply electrical installation service provider qualified terminal block Do not connect the by a power provider of the country, and be power supply for the executed according to the technical standards total heat exchanger to the power supply and other regulations applicable to electrical terminal block. installation in the country. Be sure to use an exclusive circuit. ٨Use specified cord, fasten the wiring to the terminal securely, and hold the cord securely in order not to Total heat exchanger terminal block apply unexpected stress on the terminal. ٨Do not put both power source line and signal line on the same route. It may cause miscommunication and malfunction. ٨Be sure to do D type earth work. Communication ٨For the details of electrical wiring work, see attached terminal block instruction manual for electrical wiring work. TB2 Total heat exchanger cable Band for driving electric power cable Super Link cable X Y A B It could cause fire or water leakage. In addition, the fan may start operation unexpectedly and it may cause injury. 3 ԙWiring-out position and wiring connection ٨Do not control the operation with the circuit breaker. Band for light electric cable TB2 Remote control cable For further details, refer to the attached Electric Wiring Work Manual (PCH012D005). ԚAddress setting Address setting is done by (1) Manual address setting or (2) Automatic address setting. In the case of (2) "Automatic address setting", it is possible to change address setting by wired remote controller after once complete setting. As for details of setting procedure, refer to instructions attached to the outdoor unit for details. - 27 - '11•SAF-T-161 ԛRemote Control, Wiring and functions ԜTrial operation (continued) ٨Do not install it on the following places. 2. Ending a cooling test run. Pressing the button, the (TEMP) button or (MODE) button will end a cooling test run. (Cooling test run will end after 30 minutes pass.) “ ” shown on the screen will go off. (1) Place exposed to direct sunlight (2) Places near heat devices (3) High humidity places (4) Hot surface or cold surface enough to generate condensation (5) Place exposed to oil mist or steam directly. (6) Uneven surface Installation and wiring of remote controller Checking operation data ԘInstall remote controller referring to the attached manual. ԙWiring of remote controller should use 0.3mm2 x2 core wires or cables. The insulation thickness is 1mm or more. (on-site configuration) ԚMaximum prolongation of remote control wiring is 600 m. Operation data can be checked with remote control unit operation. 1. Press the button. The display change “ ” 2. Press the (SET) button while “ ” is displayed. When only one indoor unit is connected to remote controller, “ ” is displayed (blinking indication during data loading). Next, operation data of the indoor unit will be displayed. Skip to step 7. 4. When plural indoor units is connected, the smallest address number of indoor unit among all connected indoor unit is displayed. [Example]: “ ” (blinking 1 seconds) “ ” blinking. 5. Select the indoor unit number you would like to have data displayed with the button. 6. Determine the indoor unit number with the (SET) button. (The indoor unit number changes from blinking indication to continuous indication) “ ” (The address of selected indoor unit is blinking for 2 seconds.) If the prolongation is over 100m, change to the size below. 2 But, wiring in the remote controller case should be under 0.5mm . Change the wire size outside of the case according to wire connecting. Waterproof treatment is necessary at the wire connecting section. Be careful about contact failure. 100-200m ...................0.5mm2×2 core Under 400m.....................1.25mm2 × 2 core Under 300m................0.75mm2 × 2 core Under 500m.....................2.0mm2 × 2 core ԛAvoid using multi-core cables to prevent malfunction. ԜKeep remote controller line away from earth (frame or any metal of building). ԝMake sure to connect remote controller line to the remote controller and terminal block of indoor unit. (No polarity) Control plural indoor units by a single remote controller ԘA remote controller can control plural indoor units (up to 16) In above setting, all plural indoor units will operate under same mode and temperature setting. ԙConnect all indoor units with 2 core remote controller line for group control. ԚUse the function of manual address setting to set the indoor and outdoor address number. “ ” (A blinking indication appears while data loaded.) Next, the operation data of the indoor unit is indicated. 7. Upon operation of the button, the current operation data is displayed in order from data number 01. The items displayed are in the following table ̪Depending on models, the items that do not have corresponding data are not displayed. button, which allows you to 8. To display the data of a different indoor unit, press the go back to the indoor unit selection screen. 9. Pressing the button will stop displaying data. Pressing the (RESET) button during remote control unit operation will undo your last operation and allow you to go back to the previous screen. ٧If two (2) remote controllers are connected to one (1) inside unit, only the master controller is available for trial operation and confirmation of operation data. (The slave remote controller is not available.) ٤Do not forget to set the number for the outdoor units. ԛAs shown in the following figure, the remote control can be used to control multiple outdoor units. ԜOne remote control is able to perform group control for multiple units (maximum 16 units). ٤Use the rotary SW1 and SW2 provided on the indoor unit PCB (Printed circuit board) to set unique remote control communication address avoiding duplication. After a unit is energized, it is possible to display an indoor unit address by pressing AIR CON NO button on the remote control unit. Press the or button to make sure that all indoor units connected are displayed in order. Outdoor unit No.01 㩷 Outdoor unit㩷 No.02 㩷 㿈 㿉 㿈㩷 㿉㩷 Indoor unit 㩷 㿈 㿉 Outdoor No.01 㩷 Indoor No.01 㩷 㿟 㿠 Indoor unit 㩷 㿈 㿉 Outdoor No.02 㩷 Indoor No.04 㩷 㿟 㿠 Indoor unit 㩷 㿈 㿉 Outdoor No.01 Indoor No.02 㿟 㿠 Indoor unit 㩷 㿈 㿉 Outdoor No.02 㩷 Indoor No.05㩷 㿟 㿠 01 02 03 04 05 06 07 08 09 10 11 12 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Indoor unit 㩷 㿈 㿉 Outdoor No.02 㩷 Indoor No.06㩷 㿟 㿠 Indoor unit 㩷 㿈 㿉 Outdoor No.01 㩷 Indoor No.03㩷 㿟 㿠 㿟 㩷㿠 Number Remote controller line (No polarity) Action time㩷 Confirming method of indoor units 㩷 When indoor unit address number is displayed on remote controller, pushing the (MODE) button to make the indoor unit with that number blow air (Display example:" "). Push the (MODE) button again to stop the operation. However, this operation is invalid on the air-conditioning running. Indoor unit 㿟㩷 㿠㩷 Remote controller line (No polarity) 㿟㩷 㿠㩷 㿟㩷 㿠㩷 Action time SW1” Master” Action time SW1” Slave” Switch Setting Master Wired remote controller: SW1 Wireless kit: SW1-2 Slave Contents Master remote controller Slave remote controller Master/slave setting when more than one remote control unit are used A maximum of two remote control units can be connected to one indoor unit (or one group of indoor units.) Latest "function setting" is superior than previous one. Acceptable combination is "two (2) wired remote controllers", "one (1) wired remote controller and one (1) wireless kit" or "two (2) wireless kits". Set SW1 to "Slave" for the slave remote control unit. It was factory set to "Master" for shipment. Note:The setting "Remote control unit sensor enabled" is only selectable with the master remote control unit in the position where you want to check room temperature. (Operation Mode) (Set Temperature) (Return Air Temperature) (Remote Controller Thermistor Temperature) (Indoor Unit Heat Exchanger Thermistor / U Bend) (Indoor Unit Heat Exchanger Thermistor /Capillary) (Indoor Unit Heat Exchanger Thermistor /Gas Header) (Indoor Unit Fan Speed) (Frequency Requirements) (Response Frequency) (Pulse of Indoor Unit Expansion Valve) (Total Running Hours of The Indoor Unit) (Outdoor Air Temperature) (Outdoor Unit Heat Exchanger Thermistor) (Outdoor Unit Heat Exchanger Thermistor) (Compressor Frequency) (High Pressure) (Low Pressure) (Discharge Pipe Temperature) (Comp Bottom Temperature) (Current) (Target Super Heat) (Super Heat) (Discharge Pipe Super Heat) (Protection State No. of The Compressor) (Outdoor Unit Fan Speed) (63H1 On/Off) (Defrost Control On/Off) (Total Running Hours of The Compressor) (Pulse of The Outdoor Unit Expansion Valve EEVC) (Pulse of The Outdoor Unit Expansion Valve EEVH) ̪Depending on outdoor unit model, there are data not shown. Trail operation of drain pump Drain pump operation from remote control unit is possible. Operate a remote control unit by following the steps described below. 1. To start a forced drain pump operation. ԘPress the TEST button for three seconds or longer. The display will change “ ” ԙPress the button once and cause “ ” to be displayed. ԚWhen the (SET) button is pressed, a drain pump operation will start. Display: “ ” 2. To cancel a drain pump operation. ԘIf either (SET) or button is pressed, a forced drain pump operation will stop. The air conditioning system will become OFF. ԜTrial operation The method of trial cooling operation Operate the remote control unit as follows. 1. Starting a cooling test run. ԘStart the system by pressing the button. ԙSelect “ (Cool)” with the (MODE) button. ԚPress the TEST button for 3 seconds or longer. The screen display will switch to: “ ” ԛWhen the (SET) button is pressed while “ run will start. The screen display will switch to “ ”. Data Item ” is indicated, a cooling test ٧If two (2) remote controllers are connected to one (1) inside unit, only the master controller is available for trial operation and confirmation of operation data. (The slave remote controller is not available.) - 28 - '11•SAF-T-161 ԝFunction Setting by Remote Controller The functional setting The initial function setting for typical using is performed automatically for a remote control unit and an indoor unit by the door unit connected, when remote controller and inside unit are connected. As long as they are used in a typical manner, there wiil be no need to change the initial settings. If you would like to change the initial setting marked “ ”, set your desired setting as for the selected item. The procedure of functional setting is shown as the following diagram. As for detail of setting, refer to the installation manual of remote controller. [Flow of function setting] Start : While indoor unit do not operate, press “ ” (SET) and “ ” (MODE) button for 3 seconds at the same time. Finalize : Press “ ” (SET) button. Reset : Press “ ” (RESET) button. Select : Press button. End : Press button. It is possible to finish above setting on the way, and unfinished change of setting is unavailable. “ ” : Initial settings “ ” : Automatic criterion As for detail, refer to the installation manual of remote controller. During air-conditioner stopping push (SET) + (MODE) button simultaneously for 3 seconds Consult the technical data etc. for each control details Only when plural indoor units are connected Indoor No. selection Function (Note3) setting 02 (Indoor unit function) (Remote controller function) Function setting 01 Record and save the setting (Note2) This is used to change the minimum aperture of expansion valve during heating. When you use at 50Hz area When you use at 60Hz area 02 03 03 Temperature setting button is not working 04 If to change re-set with other indoor unit, push AIRCON NO. button, and indoor selection indication (for example: I/U 000) is set back. The filter sign is indicated after running for 180 hours. The filter sign is indicated after running for 600 hours. The filter sign is indicated after running for 1000 hours. The filter sign is indicated after running for 1000 hours, then it will be stopped by compulsion after 24 hours. 04 Mode button is not working This function is not used. Do not change the setting. 05 On/Off button is not working 05 This function is not used. Do not change the setting. 06 This function is not used. Do not change the setting. 07 06 07 Make permission/prohibition control of function be in effect. 08 With the VRF series, it is used to stop all indoor units connected with the same outdoor unit immediately. When stop signal is inputed from remote on-off terminal "CNT-6", all indoor units are stopped immediately. Timer button is not working 09 Remote thermistor is not working. Remote thermistor is working. Remote thermistor is working, and to be set for producing +3.0°C increase in temperature. Remote thermistor is working, and to be set for producing +2.0°C increase in temperature. Remote thermistor is working, and to be set for producing +1.0°C increase in temperature. Remote thermistor is working, and to be set for producing -1.0°C increase in temperature. Remote thermistor is working, and to be set for producing -2.0°C increase in temperature. Remote thermistor is working, and to be set for producing -3.0°C increase in temperature. (Note2) 08 (Note2) 09 10 11 10 When heating thermostat is off, to be operated with low air flow. When heating thermostat is off, to be operated with set air flow. (Note1) When heating thermostat is off, to be operated intermittently. When heating thermostat is off, the fan stops. When the remote thermistor is working, "FAN OFF" is set automatically. Do not set when the indoor unit's thermistor is working. 12 If you change the range of set temperature, the indication of set temperature will vary following the control.If you change the range of set temperature, the indication of set temperature will not vary following the control, and keep the set temperature. 11 Change of indoor heat exchanger temperature to start frost prevention control. 12 Working only with the single split series. To control frost prevention, the indoor fan tap is raised. 13 This function is not used. Do not change the setting. 13 14 Drain pump is on during cooling and dry. Drain pump is on during cooling, dry and heating. Drain pump is on during cooling, dry, heating and fan. Drain pump is on during cooling, dry and fan. This function is not used. Do not change the setting. 15 14 After cooling is stopped, the fan does not perform extra operation. After cooling is stopped, the fan perform extra operation for half an hour. After cooling is stopped, the fan perform extra operation for an hour. After cooling is stopped, the fan perform extra operation for six hours. This function is not used. Do not change the setting. 16 If you input into the indoor printed circuit board CNT from outside, the indoor device will be operated independently following the input from outside. If you input into indoor printed circuit board CNT from outside, All units which share the same one remote control network work following the input from outside. 15 After heating is stopped or heating thermostat is off, the fan does not perform extra operation. After heating is stopped or heating thermostat is off,the fan perform extra operation for half an hour. After heating is stopped or heating thermostat is off,the fan perform extra operation for two hours. After heating is stopped or heating thermostat is off, the fan perform extra operation for six hours. 17 18 In normal working indication, indoor unit temperature is indicated instead of airflow. (Only the master remote control can be indicated. ) 16 During heating is stopped or heating thermostat is off, the fan perform intermittent operation for five minutes after twenty minutes' off with low airflow. During heating is stopped or heating thermostat is off, the fan perform intermittent operation for five minutes after five minutes' off with low airflow. Heating preparation indication should not be indicated. 19 Temperature indication is by degree C Temperature indication is by degree F 17 External device control Pressure control – Standard Pressure control – Selectable ON/OFF button (finished) - 29 - By setting of SW7-4 (Note3) '11•SAF-T-161 ԝFunction Setting by Remote Controller Note 1 Auto operation control Note 2 Outlet temperature control Note 3 Pressure control OFF •If the remote control operation switch is set to the “Auto”, the “Cooling”, Blower” and “Heating” are selected automatically. •Selecting temperature is changed with the remote control function setting – 11: Ventilation setting. Cooling •Outlet temperature control is effective when SW7-3 is set to ON. •Outlet temperature setting values are as listed below depending on the pressure control selection Pressure control is selectable with SW7-4. •If it is set at OFF (factory default), the remote control function is set. 17: Selection is made by the external adjuster control Pressure control selection During cooling During heating Blower -1 Setting value (Ts) +1 Remote control function Auto cleaning Heating room temperature correction +2 (˚C) Ventilation setting: When there is no ventilation connection Ventilation setting No ventilation connection Interlocked ventilation Ventilation not interlocked External adjuster control 25°C 24°C •Outlet temperature can be changed by the remote control functions “01: Auto cleaning”, “08: Heating room temperature correction” and “09: Suction temperature correction”. Heating -2 Standard control 15°C 36°C Cooling selection +2.0 deg +1.5 deg +1.0 deg Blower selection +1.0 deg +0.5 deg +0.5 deg See above figure Suction temperature correction Display Valid/�Invalid �No correction /+1.0/+2.0 /+3.0 °C Temperature correction Remark Minus/�Plus Used to correct outlet temperature during cooling. �No correction Outlet temperature during cooling is /+1.0/+2.0 corrected /+3.0 °C Outlet temperature during heating is -2.0/-1.5/-1.0 -4.0/-3.0/-2.0 �No correction �No correction corrected /+1.0/+1.5/+2.0 °C /+2.0/+3.0/+4.0 °C Note. Remote controller RC-D4 has no auto cleaning selection. (No display) This means that there is no minus correction. �Default setting Remote controller display Standard pressure control Pressure control selection Pressure control Standard control External adjuster control The external adjuster control increases the outlet air temperature during cooling or decreases during heating. •If it is at ON, the pressure control is turned ON or OFF automatically. Pressure is selected automatically with the setting value (Ts) of remote control and the suction temperature (or the remote control sensor temperature when the remote control sensor is effective). External adjuster control Thermostat OFF Standard control -1 ˚C Setting value (Ts) During cooling Ԟ Control mode switching ٨The control content of indoor units can be switched in following way. ( Switch No. SW1 SW2 SW3 SW4 SW5㧙1 control content Indoor unit address (tens place) Indoor unit address (ones place) Outdoor unit address (tens place) Outdoor unit address (ones place) OFF (Use always at OFF.) Old and new Super Links are judged automatically. Indoor unit address (hundreds place) SW5㧙2 is the default setting) Switch No. SW6㧙1 ~ 4 SW7㧙1 SW7㧙2 SW7㧙3 SW7㧙4 control content Model capacity setting ON Operation check, Drain motor test run OFF Normal operation OFF Spare OFF (Suction)/ON (Outlet) temperature control OFF (Pressure control manual selection) /ON (Auto selection) ԟ Function of CNT connector of indoor printed circuit board Note Indoor units control box Butt splice Red Black Yellow Blue Brown Orange +12 CNT (Blue 6P) (Application coverage 0.75㨪1.25mm2) White Black Yellow Blue Brown Orange Orange Remote start/stop kit Printed circuit board Note (1): Do not use the length over 2 meter ٨XR1 to XR4 are DC 12 V relays. (Omron LY2F or equivalent) ٨XR5 is a DC 12, 24 or 100 V relay. (Omron MY2F or equivalent) ٨CNT connector (Site side) – Maker, model Connector: Molex 5264-06 Terminal: Molex 5263T ٨Remote start/stop and monitoring kit is provided as an optional product. ٨If it is necessary to connect the signal wire of the shunt current controller for the Cooling/Heating Free Multi, connect the wire to CNT or CNT2 according to the installation manual attached to the shunt current controller. ٨XR2 (heating output) has already been assembled. This is used to interlock the operation of the humidifier of total heat exchanger. When the remote start/stop and monitoring kit is used, connect the output from the kit (common output 2) to the terminal [3] or [4]. Common Output Output Output Output Input power Remote start / stop button or timer point ٨Function Output 1: Operation output (there is output when unit is in operation.) Output 2: Heating output (there is output when operation MODE is HEATING.) Output 3: Thermo ON output Output 4: Inspection output (there is out put when unit is stopped by error.) Input 5: Factory set Local set XR5 OFF ON UNIT ON XR5 ON OFF UNIT OFF XR5 OFF ON Receiving pulse signal, "ON/OFF" is reversed. Refer to instruction manuals of "Branching controller", when the indoor unit is connected to "Heat recovery 3-pipe systems". Ԡ Control of total heat exchanger bypass damper during heating and cooling Suction temperature up Suction temperature down CnD:ON CnD:OFF 10 CnD:OFF 12 16 18 Suction temperature (ºC) ٨Suction temperature is used to control (ON/OFF) the bypass damper of total heat exchanger. ٨Relay output: DC 12 V relay (Omron Y2F or equivalent) - 30 - Standard control External adjuster control Thermostat OFF Setting value (Ts) +1 ˚C During heating '11•SAF-T-161 ԡ Troubleshooting The operation data is saved when the situation of abnormal operation happen, and the data can be confirmed by remote controller. [Operating procedure] 1. Press the button. The display change “ ” Error code of indoor unit Display on remote controller Off 2. Once, press the button, and the display change “ ”. 3. Press the (SET) button and abnormal operation data mode is started. E1 4. When only one indoor unit is connected to remote controller, following is displayed. E2 ԘThe case that there is history of abnormal operation. Error code and “ ” is displayed. E3 [Example]: [E8] (ERROR CODE) “ ” is displayed (blinking indication during data loading). E5 Next, the abnormal operation data of the indoor unit will be displayed. E6 Skip to step 7. E7 E9 ԙThe case that there is not history of abnormal operation. E10 “ ” is displayed for 3 seconds and this mode is closed. E11 5. When plural indoor units is connected, following is displayed. ԘThe case that there is history of abnormal operation. Error code and the smallest address number of indoor unit among all E12 connected indoor unit is displayed. [Example]: [E8] (ERROR CODE) “ ” blinking E15 ԙThe case that there is not history of abnormal operation. E16 Only address number is displayed. E18 6. Select the indoor unit number you would like to have data displayed with the E19 button. E28 7. Determine the indoor unit number with the (SET) button. Over E30 E63 [Example]: [E8] (ERROR CODE) “ ” (The address of selected indoor unit is blinking for 2 seconds.) LED on indoor circuit board Content red (checking) green (normal) Continuous blinking Off Normal Off Fault on power, indoor power off or lack phase Off Off Not sure Continuous Fault on the transmission between indoor blinking circuit board and remote control Not sure Indoor computer abnormal Duplication of indoor address No. (can only be detected during operation) blinking once Continuous blinking Excess number of remote controllers (can only be detected during operation) Outdoor power off or lack phase blinking twice Continuous blinking There is no corresponding outdoor unit address. blinking twice Continuous blinking blinking once Continuous blinking blinking once Continuous blinking blinking once Continuous blinking Continuous blinking Off Continuous blinking Off blinking once blinking once blinking once blinking once blinking once Off Off Off Fault on outdoor-indoor transmission Indoor heat exchange sensor interrupted or short-circuit Indoor air inhaling sensor broken or short-circuit Float SW actions (only with FS), total heat exchanger error Excess number of remote controller connections The master indoor unit is not set properly. Indoor unit address SW Super link Indoor No. Outdoor No. 49 Continuous blinking New specification 001㨪127 0㨪47 48㧘49 Old specification 48㧘49 0㨪47 Continuous blinking Broken wire or short-circuit on indoor outlet air temperature sensor Continuous blinking Fan motor abnormal Continuous blinking The address configuration fault for master-slave indoor units. Continuous blinking Configuration fault on running checking model Continuous blinking Remote controller sensor interrupted Continuous blinking Outdoor unit checking (outdoor circuit board LED checking) Continuous blinking Emergency stop. [E8] “ ” (A blinking indication appears while data loaded.) Next, the abnormal operation data is indicated. If the indoor unit doing normal operation is selected, “ ” is displayed for 3 seconds and address of indoor unit is displayed. 8. By the button, the abnormal operation data is displayed. Displayed data item is based on Ԝ Trial operation ̪Depending on models, the items that do not have corresponding data are not displayed. 9. To display the data of a different indoor unit, press the AIR CON No. button, which allows you to go back to the indoor unit slection screen. 10.Pressing the button will stop displaying data. Pressing the (RESET) button during remote control unit operation will undo your last operation and allow you to go back to the previous screen. ٧If two (2) remote controllers are connected to one (1) inside unit, only the master controller is available for trial operation and confirmation of operation data. (The slave remote controller is not available.) PCH012D007 - 31 - '11•SAF-T-161 10. Application example (1) Example 1 Exampleofof combination Example thethe combination with with SAF-DX Total heatheat exchanger SAF-DXand and Total exchanger OA OA KX(R)E6 KX(R)E6 Total heat exchanger Total heat exchanger EA Refrigerant piping SAF-DX Refrigerant piping SAF-DX EA Remote controller RA RC-E4 Remote controller Indoor RC-E4 FDT FDT FDT RA SA FDT FDT FDT SA RC-E4 Remote controller RC-E4 Indoor Remote controller (2) Example 2 Example of combination with Example of combination with multiple SAF-DXs Example of combination with multiple SAF-DXs multiple SAF-DXs RA Total heat exchanger Total heat with big RA fan exchanger EATotal heat capacity 㹢SA’(=return air) RA with big fan exchanger㹢SA’(=return air) capacity OA OA OA EA EA with big fan capacity 㹢SA’(=returnSAF-DX air) SAF-DX RemoteSAF-DX controller SAF-DX SAF-DX SAF-DX RC-E4 SA SA SA SAF-DX SAF-DX with SAF-DX In case of controlling multiple SAF-DXs in combination a total heat RC-E4 SA interlock SA all by using SA one remote controller. exchanger with big fan capacity, Remote In case of controlling multiple SAF-DXs in combination with a total heat controller exchanger with big fan capacity, interlock all by using one remote controller. Remote controller RC-E4 SA SA SA In case of controlling multiple SAF-DXs in combination with a total heat exchanger with big fan capacity, interlock all by using one remote controller. - 32 - VRF INVERTER MULTI-SYSTEM AIR CONDITIONERS Air-Conditioning & Refrigeration Systems 16-5, Konan 2-chome, Minato-ku, Tokyo, Japan Fax : (03) 6716-5926 Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. c Copyright MITSUBISHI HEAVY INDUSTRIES.LTD