Download McQuay MDS300B Unit installation
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Engineered for flexibility and performance. MULTI-DIGITAL SCROLL UNITS MDS030A(R)~MDS60A(R) MDS080B(R)~MDS300B(R) page 2 TM TM-MDS-2006 Contents General Features ............................................................................................................. 2 Nomenclature................................................................................................................... 4 Technical Parameter ........................................................................................................ 7 Outlines and Dimensions ............................................................................................. 11 Wiring Diagrams ............................................................................................................ 16 Installation...................................................................................................................... 30 Troubleshooting............................................................................................................. 41 Servicing and Maintenance .......................................................................................... 42 Note: Installation and maintenance are to be performed only by qualified personal who are familiar with local codes and regulations, and experienced with this type of equipment. Caution: Sharp edges and coil surfaces are a potential injury hazard. Avoid contact with them. Warning: Moving machinery and electrical power hazards. May cause severe personal injury or death. Disconnect and lock off power before servicing equipment. “McQuay” is a registered trademark of McQuay International. All rights reserved throughout the world. 2003 McQuay International “Bulletin illustrations cover the general appearance of McQuay International products at the time of publication and we reserve the right to make changes in design and construction at any time without notice.” page 1 1 General Features 1.1 Wide Range and Stepless Capacity Modulation • • Running ration of compressors % • Wide capacity modulation range (10%-100%) According to changing the ralio of “loading time” and “unloading time”. MDS can modulate the capacity steplessly. Lower the energy consumption and running cosl. MDS system Inverter system Total capacity of operating indoor units 1.2 Accurate Temperature Control and Quick Response • The cooling/heating capacity of the indoor units is controlled by the EXV. which ensures the low theperature fluctuation of 0.3 C. Stepless capacity modulation. Ouick response to output the capcity (40s). O • • Temp. The temperature fluctuation range of traditional system is ±2°C Temp. The temperature fluctuation range of MDS system is ±0.3°C The temperature fluctuation range of traditional system is ±0.5°C The temperature fluctuation range of MDS system is ±0.3°C Time Time 1.3 Simple, Reliable and Long Life • • • • • • The PWM valve has the longevity of 40 million times. Wide rage of capacity modulation makes sure the start/stop times reduces. Less components. No complicate inverter controller. The compress or has an excellent oil return performance, there is no need for the oil return circuit. Even the units run in 10% part load, the MDS system can be in good stage. System control Environment Solenoid valve Digital scroll page 2 1.4 Energy Saving The inverter system’s capacity modulation range is from 30% to 100%, while MDS system’s capacity modulation range is from 10% to 100%. Quick response to the capacity modulation. Min. power consumption is only 10% of the full load power consumption. Compared to the inverter system, there is no power consumption of transducer. Compared to the nominal capacity scroll system, it can save 20% energy consumption. 10HP system EER 100% Digital compressor operating Fixed compressor 100% operating 10% Traditional air Traditional inverter conditioning system system MDS system Heavy loading Load Light loading 1.5 Flexible Combination of Indoor Units The max. capacity of the indoor units is as 130% as the outdoor units capacity. The outdoor units can connect different numbers of indoor units according to the outdoor units capacity. One outdoor unit can be connected up to 48 indoor units. Various types of indoor units are available. There are various indoor units for option: concealed exposed, ceiling concealed, high static pressure fan coil and ceiling exposed/floor standing. 1.6 Long Accessory Pipe Connection Design Max. accessory pipe length is 15m (12HP-30HP), max. height is 50m (8HP—30HP). Height Max. accessory pipe total length (m) Max. accessory pipe length (m) OT IT 12-30HP 350 150 50 40 10HP 250 125 50 40 8HP 250 125 50 40 6HP 150 70 30 30 5HP 150 70 30 30 4HP 150 70 20 20 3HP 100 50 20 20 Note: OT means the outdoor unit is above the indoor unit, IT means the outdoor unit is below the indoor unit. page 3 1.7 Space Saving • Compared to scale size central air conditioning, MDS system is high centralized, no need for special equipment room to save more space, and bring more benefits. Traditional central air conditioning MDS system 1.8 Easy to Install and Simple to Maintain Easy Installation • MDS system is simple and reliable, and outdoor unit can be connected with several indoor units, so it is easy for installation. • MDS system can be installed by stages, which is good to both new projects and renovation projects. • Compared to the chilled water system, MDS system is much simple and there is no need for expert people to maintain it. No Need for Special Maintenance • It has only simple refrigerant piping system, no complex maintenance; • Compared to the water-cooled system, MDS system is with no water system, no pipe cleaning, without maintenance for water system control design; so MDS system is much simple and there is no need for expert people to manage and maintain it. page 4 Nomenclature 2.1 Indoor Unit: Ceiling Cassette M CK 030 T -A M A Design alteration No Matching outdoor units: MDS series Power supply feature: 220V~/50Hz Design serial No. Cooling capacity No. Ceiling cassette indoor unit McQuay 2.2 Indoor Unit: Ceiling Concealed MCC 050 T -R (B)/(D) -A M A Design serial No Matching outdoor units: MDS series Power supply: A: 220V~/50Hz Return air mode: B-rear return air plenum D-lower return air plenum Omitted-no return air box Type of connecting pipe: R- right connecting pipe L-left connecting pipe Design serial No. Cooling capacity No. McQuay ceiling concealed indoor unit 2.3 Indoor Unit: Air-cooled Chilled Air Duct M DB 050 T -A M A Design serial No. Matching outdoor units: MDS series Power supply feature: A is 220V~/50Hz Series No. Cooling capacity No. Air-cooled chilled air duct McQuay 2.4 Indoor Unit: Ceiling Exposed/Floor Standing M CM 050 T -A M A Design serial No. Matching outdoor units: MDS series Power supply feature: A is 220V~/50Hz Series No. Cooling capacity No. Ceiling exposed/floor standing indoor unit McQuay page 5 2.5 Electric Heater Box HD P 1.2 T 08-15 8-15 means it can be used in MCC008/010/015T 18-30 means it can be used in MCC018/020/025/030T 40 means it can be used in MCC040T 40-50 means it can be used in MCC040/050T 60 means it can be used in MCC060T Applicable units: T means the unit can be used in MCC "T" series Heating capacity (kW) Heating unit: P means the heating unit is PTC Omitted means the heating unit is electric heating pipe Electric heater box 2.6 Hot Water Heater Box HW T 08-15 08-15 means it can be used in MCC008/010/015T 18-30 means it can be used in MCC018/020/025/030T 40-50 means it can be used in MCC040/050T 60 means it can be used in MCC060T Applicable units: T means the unit can be used in MCC "T" series Hot water heater box 2.7 MDS Unit MDS 060 A R- F AA Description of the products Power supply features: A: 220V~/50Hz F: 380V/3N~/50Hz Heat pump, omitted if cooling only unit Design serial No. Cooling capacity No. McQuay MDS unit MEX Throttle Box Nomenclature: MEX - 14 - 2 SA - A Design serial No. Connecting pipe mode Connecting pipe size Valve opening size No. Unit name No. Unit name no. Valve opening size no. Connecting pipe size Connecting pipe mode Design serial no. MEX: McQuay throttle box (one expansion valve) 14: Nominal diameter value (mm)*10 2: 1/4 inch 3: 3/8 inch 4: 1/2 inch SA: Flare fitting & nipple joint A: Primary design page 6 3 Technical Parameter MDS030A(R)~MDS060A(R) Model MDS030A MDS030AR MDS040A MDS040AR MDS050A MDS050AR MDS060A MDS060AR Cooling(kW) 8.5 8.5 10.0 10.0 12.5 12.5 14.5 14.5 Heating(kW) - 9.0 - 11.5 - 13.5 - 16.5 Power 220V~/50Hz Noise dB(A) 59 W×D×H(mm) 840×408×900 59 59 1058×430×1044 1058×430×1044 60 1058×430×1247 Weight(kg) 82 85 112 115 117 120 123 Power consumption in cooling(kW) 3.0 3.0 3.5 3.6 4.4 4.4 5.0 130 5.0 Ampere in cooling(A) 13.6 13.6 15.9 15.9 20 20 22.8 22.8 Power consumption in cooling(kW) - 2.5 - 3.4 - 4.2 - 4.2 Ampere in cooling(A) - 11.4 - 13.5 - 19 - 20.3 R22 Refrigerant Gas Connecting Flare fitting and nipple joint connecting Liquid Flare fitting and nipple joint connecting LiquidΦ(mm(in)) GasΦ(mm(in)) Model 9.52(3/8) 9.52(3/8) 9.52(3/8) 9.52(3/8) 15.88(5/8) 19.05(3/4) 19.05(3/4) 19.05(3/4) MDS050A MDS050AR MDS060A MDS060AR Cooling(kW) 12.5 12.5 15 15 Heating(kW) - 13.5 - 17 380V/3N~/50Hz Power Noise dB(A) 59 W×D×H(mm) 60 1058×430×1044 1058×430×1247 Weight(kg) 117 120 123 130 Power consumption in cooling(kW) 4.4 4.4 5.0 5.0 Ampere in cooling(A) 8.4 8.4 9.6 9.6 Power consumption in cooling(kW) - 4.2 - 4.23 Ampere in cooling(A) - 8.0 - 8.8 R22 Refrigerant Connecting Gas Flare fitting and nipple joint connecting Liquid Flare fitting and nipple joint connecting LiquidΦ(mm(in)) 9.52(3/8) GasΦ(mm(in)) 19.05(3/4) MDS080B(R)~MDS300B(R) MDS080B MDS080BR MDS100B MDS100BR MDS120B MDS120BR MDS150B MDS150BR Cooling(kW) Model 24.5 24.5 28.0 28.0 32.5 32.5 40.0 40.0 Heating(kW) - 26.0 - 30.0 - 34.0 - 43.0 Power 380V/3N~/50Hz Noise dB(A) 62 64 W×D×H(mm) 66 67 990×840×1840 1290×840×1840 Weight(kg) 275 290 285 300 290 305 355 370 Power consumption in cooling(kW) 7.5 7.5 8.5 8.5 9.8 9.8 12.9 12.9 Ampere in cooling (A) 14.6 14.6 16.8 16.8 18.8 18.8 23.1 23.1 Power consumption in cooling(kW) - 7.2 - 8.3 - 9.0 - 11.1 Ampere in cooling (A) - 13.6 - 15.7 - 16.7 - 22.6 R22 Refrigerant Connecting Gas Welding flange Liquid Expanded copper tube LiquidΦ(mm(in)) 12.7(1/2) GasΦ(mm(in)) Max. indoors-quantity 15.88(5/8) 28.6(1 1/8) 13 16 page 7 34.9(1 3/8) 16 20 MDS180B MDS180BR MDS200B MDS200BR MDS220B MDS220BR MDS240B MDS240BR Cooling(kW) Model 47.5 47.5 50.0 50.0 55.0 55.0 65.0 65.0 Heating(kW) - 50.0 - 53.0 - 58.0 - 68.0 380V/3N~/50Hz Power Noise dB(A) 66 66 W×D×H(mm) 66 68 1990×840×1840 Weight (kg) 520 550 560 590 560 590 570 600 Power consumption in cooling(kW) 14.1 14.1 15.2 15.2 16.7 16.7 19.8 19.8 Ampere in cooling (A) 28.2 28.2 31.1 31.1 32.7 32.7 38.5 38.5 Power consumption in cooling(kW) - 13.2 - 14.7 - 16.2 - 18.5 Ampere in cooling(A) - 27.1 - 29.4 - 31.0 - 33.8 R22 Refrigerant Gas Connecting Welding flange Liquid Expanded copper tube LiquidΦ(mm(in)) 15.88(5/8) 19.05(3/4) GasΦ(mm(in)) 34.9(1 3/8) 38.1(1 1/2) 24 Max. indoors-quantity Model 24 24 24 MDS260B MDS260BR MDS280B MDS280BR MDS300B MDS300BR Cooling(kW) 70.0 70.0 75.0 75.0 80.0 80.0 Heating(kW) - 75.0 - 80.0 - 85.0 Power 380V/3N~/50Hz Noise dB(A) 68 W×D×H(mm) 69 2280×840×1840 69 2580×840×1840 Weight(kg) 645 675 710 740 710 740 Power consumption in cooling(kW) 21.3 21.3 22.8 22.8 26.2 26.2 Ampere in cooling(A) 40.0 40.0 42.5 42.5 46.5 46.5 Power consumption in cooling(kW) - 20.9 - 22.0 - 23.6 Ampere in cooling(A) - 37.2 - 41.0 - 43.1 R22 Refrigerant Connecting Gas Welding flange Liquid Expanded copper tube LiquidΦ(mm(in)) 19.05(3/4) GasΦ(mm(in)) 41.3(1 5/8) 32 Max. indoors-quantity 32 32 Notes: 1. Cooling condition: Indoor D/W bulb Temp. 27/19ºC, outdoor temperature: D/W bulb Temp. 35/24ºC. 2. Heating condition: Indoor D/W bulb Temp. 20/15ºC, outdoor temperature: D/W bulb Temp. 7/6ºC. Ceiling Concealed Indoor Units Model MCC008T MCC010T MCC015T MCC018T MCC020T Cooling capacity(W) 2000 2500 3650 4500 5600 Heating capacity(W) 2200 2600 3700 4700 6100 220V~/50Hz Power Noise dB(A) 31 W×D×H(mm) 34 1030×469×220 22 Weight(kg) Power input(W) 47 82 2 450 Air flow(H: m³/h) 580 800 15(0/30/50) ESP(Pa) 19.05(3/4) DrainΦ(mm(in)) Protection Anti-freezing Gas Expanded copper tube Liquid Expanded copper tube LiquidΦ(mm(in)) GasΦ(mm(in)) 25 81 Fan number Connection 35 1290×490×250 6.35(1/4) 9.52(3/8) 9.52(3/8) 12.7(1/2) page 8 15.88(5/8) MCC025T MCC030T MCC040T MCC050T MCC060T Cooling capacity(W) Model 6500 7800 10600 12400 14400 Heating capacity(W) 7400 8900 11600 14500 17300 Power 220V~/50Hz Noise dB(A) 37 W×D×H(mm) 42 1290×490×250 47 48 1640×490×250 1900×490×250 Weight(kg) 27 28 39 45 Power input(W) 123 158 276 280 3 4 960 1200 1900 2100 15(0/30/50) 30(15/50/70) Fan number 2 Air flow(H : m³/h) ESP(Pa) DrainΦ(mm(in)) 50(15/30/70) 19.05(3/4”) Protection Anti-freezing Connection Gas Expanded copper tube Liquid Expanded copper tube LiquidΦ(mm(in)) 9.52(3/8”) GasΦ(mm(in)) 15.88(5/8”) 19.05(3/4”) Notes: 1. Cooling condition: Indoor D/W bulb Temp. 27/19ºC, outdoor temperature: D/W bulb Temp. 35/24ºC. 2. Heating condition: Indoor D/W bulb Temp. 20/15ºC, outdoor temperature: D/W bulb Temp. 7/6ºC. Ceiling Duct Indoor Unit MDB050T MDB060T Cooling capacity(W) Model 12500 14000 Heating capacity(W) 14000 15500 Power 220V~/50Hz Noise dB(A) 58 W×D×H(mm) 60 1230×910×350 1430×910×350 Weight(kg) 69 75 Power consumption(W) 615 790 Fan number 1 Air flow(H m³/h) 2250 3000 ESP(Pa) 100 DrainΦ(mm(in)) 19.05(3/4) Protection Anti-freezing, overload Connection Gas Expanded copper tube Liquid Expanded copper tube LiquidΦ(mm(in)) 9.52(3/8) GasΦ(mm(in)) 19.05(3/4) Notes: 1. Cooling condition: Indoor D/W bulb Temp. 27/19ºC, outdoor temperature: D/W bulb Temp. 35/24ºC. 2. Heating condition: Indoor D/W bulb Temp. 20/15ºC, outdoor temperature: D/W bulb Temp. 7/6ºC. Vertical Floor Standing & Horizontal Ceiling Mounted Indoor Unit MCM020T MCM030T MCM050T Cooling capacity(W) Model 5800 7500 12500 Heating capacity(W) 5800 8000 13500 Power 220V~/50Hz Noise dB(A) 48 50 52 W×D×H(mm) 1214×670×214 1214×670×249 1714×670×249 Weight(kg) 39 44 44 Power consumption(W) 81 116 161 Number of fan Air flow(H m³/h) 2 3 4 1100 1300 1850 DrainΦ(mm(in)) 20.5(4/5) Protection Connection Anti-freezing, overheat Gas Expanded copper tube Liquid Expanded copper tube LiquidΦ(mm(in)) 9.52(3/8) 9.52(3/8) GasΦ(mm(in)) 15.88(5/8) 19.05(3/4) Notes: 1. Cooling condition: Indoor D/W bulb Temp. 27/19ºC, outdoor temperature: D/W bulb Temp. 35/24ºC. 2. Heating condition: Indoor D/W bulb Temp. 20/15ºC, outdoor temperature: D/W bulb Temp. 7/6ºC. page 9 Ceiling Cassette Indoor Unit MCK010T MCK015T MCK018T MCK020T MCK025T MCK030T MCK040T MCK050T Cooling capacity(W) Model 2800 3600 4500 5400 6500 7500 10000 12500 Heating capacity(W) 3200 3900 5000 5900 7200 8000 11000 13500 42 45 45 48 220V~/50Hz Power Noise dB(A) 29 32 W×D×H(mm) 38 39 930×930×278 930×930×363 Weight(kg) 26 26 30 30 39.5 39.5 39.5 39.5 Power consumption(W) 26 34 36 42 72 84 110 140 1200 1300 1500 1650 1 Number of fan 520 Air flow(H m³/h) 600 650 700 20.5(4/5) DrainΦ(mm(in)) Protection Anti-freezing, overheat Connection Gas Expanded copper tube Liquid Expanded copper tube LiquidΦ(mm(in)) 6.35(1/4) GasΦ(mm(in)) 9.52(3/8) 12.7(1/2) 9.52(3/8) 9.52(3/8) 15.88(5/8) 19.05(3/4) Notes: 1. Cooling condition: Indoor D/W bulb Temp. 27/19ºC, outdoor temperature: D/W bulb Temp. 35/24ºC. 2. Heating condition: Indoor D/W bulb Temp. 20/15ºC, outdoor temperature: D/W bulb Temp. 7/6ºC. Accessories: Heating Coil Model Indoor unit HWT08-15 HWT18-30 HWT40-50 HWT60 MCC008T MCC010T MCC015T MCC018T MCC020T MCC025T MCC030T MCC040T MCC050T MCC060T Heating(kW) 3600 3600 4200 6300 6300 7200 8000 12000 12000 13500 Water flow(m3/h) 0.31 0.31 0.36 0.54 0.54 0.60 0.67 0.99 0.99 1.11 Air pressure drop(Pa) 7 7 13 12 12 17 23 31 31 26 Water pressure drop(kPa) 2 2 3 6 6 7 9 11 11 17 Net weight(kg) 9.5 9.5 9.5 11 11 11 11 14 14 15 Rows 2 2 2 2 2 2 2 2 2 2 Note: 1. Testing condition: 60ºC entering water, 50ºC leaving water. Accessories: Electrical Heater Model MCC008T/010T/015T MCC018T/020T/025T/030T MCC040T MCC040T/050T MCC060T Model of heater Capacity(kW) Power Ampere(A) Intersection surface(mm²) HDP1.2T08-15 1.2 220V~/50Hz 5.5 1.5 HDP2.4T08-15 2.4 220V~/50Hz 11 2.5 HDP2.4T18-30 2.4 220V~/50Hz 11 2.5 HDP3.6T18-30 3.6 220V~/50Hz 16.5 4 HDP2.4T40 2.4 220V~/50Hz 11 2.5 HDP3.6T40 3.6 220V~/50Hz 16.5 4 HDP4.8T40-50 4.8 380V/3N~/50Hz 10.5 2.5 HDP7.2T40-50 7.2 380V/3N~/50Hz 16 4 HDP5.4T60 5.4 380V/3N~/50Hz 12 4 HDP7.2T60 7.2 380V/3N~/50Hz 16 4 HDP10.8T60 10.8 380V/3N~/50Hz 23.5 4 Notes: 1. Electrical heater power shall be supplied independently, and intersection size shall meet the requirement of cable. 2. Electrical heater shall fix with indoor units tightly. 3. To select the right fuse to couple with electrical heater. 4. Earth connecting is a must for electrical heater. page 10 4 Outlines and Dimensions 4.1 Outlines & Dimension of Outdoor Unit MDS030A(R) Unit: mm 840 125 378 124 240 330 408 590 4-18x12 900 318 20 60 67 460 50 page 11 MDS040A(R)/MDS050A(R)/MDS060A(R) Unit: mm Model H1 H2 1024 1044 MDS050A(R) 1024 1044 MDS060A(R) 1222 1242 356 430 94 1006 430 816 356 94 115 390 94 115 390 MDS040A(R) 94 816 67 128 67 128 H2 H1 H2 H1 1006 page 12 MDS080,100,120,150,180,200,220,240,260,280,300B(R) Model A B MDS080/100/120B(R)/ 120B(R)M 900 990 Model Unit: mm A B MDS150B(R)/130B(R)S/ 150B(R)M/150B(R)S 1200 Model 1290 MDS180/200/220/ 240B(R) C D 950 1990 MDS260/280/300B(R)are combined units, made up by a master unit and a slave unit Combined unit MDS260B(R) MDS280B(R) MDS300B(R) Master unit + Slave unit MDS120B(R)M+MDS150B(R)S MDS150B(R)M+MDS130B(R)S MDS150B(R)M+MDS150B(R)S D 990+10+1290 1290+10+1290 1290+10+1290 Deta il 14-1 4x20 S cr ew hol e 8- 14x20 Scre w hol e (f or s et tin g) M A Detai l M Screw Hole 1 4×20 B Deta il D 14-1 4x20 S cr ew hol e 8- 14x20 Scre w hol e (f or s et tin g) M A Detai l M Screw Hole 1 4×20 B D 4.2 Outlines & Dimension of Indoor Unit MCC008, 010, 015, 018, 020, 025, 030, 040, 050, 060T Unit: mm Model A B C D E F G H I J No. of fans MCC008T 690 722 1054 751 39 210 469 118 9 220 2 MCC010T 690 722 1054 751 39 210 469 118 9 220 2 MCC015T 690 722 1054 751 39 210 469 118 9 220 2 MCC018T 690 722 1054 751 39 210 469 118 9 220 2 MCC020T 950 981 1314 1005 32 248 490 81 14 251 2 MCC025T 950 981 1314 1005 32 248 490 81 14 251 2 MCC030T 950 981 1314 1005 32 248 490 81 14 251 2 MCC040T 1300 1331 1664 1355 32 248/ 490 21 14 251 3 MCC050T 1300 1331 1664 1355 32 248/ 490 21 14 251 3 MCC060T 1560 1591 1924 1615 32 248 490 81 14 251 4 page 13 MCK010,015,018,020,025,030,040,050T Unit: mm Model A B C D E F G H I J K L M MCK010/015/018/020T 820 875 548 820 278 250 28 930 930 642 622 555 555 MCK025/030/040/050T 820 875 548 820 363 335 28 930 930 642 622 555 555 MDB050, 060T Unit: mm Model A B C D E F Gas pipe Liquid pipe MDB050T 995 957 998 1032 1063 1230 Φ19.05 Φ9. 52 MDB060T 1195 1157 1198 1232 1263 1430 Φ19.05 Φ9. 52 page 14 MCM020, 030, 050T Unit: mm Model A B C D E F G H J K L M N MCM020T 1174 75 1082 68 58 156 1214 57 670 216 319 879 517 MCM030T 1174 75 1082 68 93 156 1214 57 670 216 319 879 517 MCM050T 1674 75 1582 68 93 156 1714 57 670 216 319 1379 517 page 15 5 Wiring Diagram 5.1 Wiring Diagram of Indoor Units Model: MCC008/010/015/018/020/025/030/040/050/060T J1 SW-PB KEY1 J5 J4 HF LF LINE J2 CON5 J6 orange brown yellow ON 1 low Transformer SW3 high JP3 middle NEUTRAL JP2 JP1 JP6 2 red CON2 SW2 2 3 4 5 6 CON4 DIP LCD ON 1 blue Connecting indoor/outdoor units communication 3 SW1 TR1 L TR2 N EXV Electronic expansion valve Coil inlet temperature sensor Indoor return air temperature senso Wire controller M ~ white white yellow/green ROOM ~ Fan motor2 (220V~/50Hz) High High Notes: JP1 : 15Pa : 50Pa High High 5、 SW1.2 SW1.3 OFF OFF Field wiring. SW1.6 OFF Model: MCK010/015/018/020T J1 SW-PB KEY1 J5 J4 HF LF J3 LINE J2 B CON5 A J6 NEUTRAL JP2 JP1 JP6 JP5 red JP3 L ON 1 2 3 SW1 ON DIP SW2 DIP 5 ON 4 Connecting indoor/outdoor units communication 6 6 CON6 Coil inlet temperature sensor Indoor return air temperature senso Electronic expansion valve 8 EXV DIP 6 ROOM TR1 TR2 LF MF HF yellow/green M ~ Transformer M ~ Swing motor receiving Drainage pump M ~ yellow/green 5 blue blue 4 blue 3 red 2 black 1 Fan motor (220V~/50Hz) Remote controller Model 010 SW3.2 SW3.3 OFF OFF SW3.5 SW3.6 OFF OFF HF 1、 MF 010 yellow brown SW1.3 SW1.4 OFF OFF SW1.6 OFF page 16 other JPs are set to OFF. 3、 SW2 sets this unit address. 4、 Field wiring. JP1 Model: MCK025/030/040/050T J1 SW-PB KEY1 JP7 J5 J4 HF LF LINE J2 B A J6 NEUTRAL JP2 JP1 JP6 JP3 red JP4 L blue N N N SW3 ON SW1 Connecting indoor/outdoor units communication ON DIP SW2 ON DIP 1 2 Water level switch SW-PUMP red blue black blue white blue yellow/green M ~ Transformer Remote R receiving Swing motor Indicator M ~ M ~ yellow/green Coil outlet temperature sensor EXV Electronic expansion valve Coil middle temperature sensor Indoor return air temperature senso Coil inlet temperature sensor black red CON6 pump (220V~/50Hz) DIP switch SW3 settings: Notes: Remote controller SW1.1 SW1.2 SW1.3 OFF OFF OFF JP1 1、 SW1.6 OFF Field wiring. Model: MCM020/030T J1 SW-PB KEY1 J5 J4 HF LF LINE J2 CON5 J6 white red NEUTRAL JP2 JP1 JP6 JP3 L N ON SW1 Connecting indoor/outdoor units communication ON DIP SW2 ON DIP Coil outlet temperature sensor Coil inlet temperature sensor Coil middle temperature sensor yellow/green red black Transformer Remote receiving M ~ Fan motor Indicator (220V~/50Hz) yellow/green Indoor return air temperature senso red blue white blue yellow Electronic expansion valve black CON6 ROOM M ~ Swing motor Notes: JP1 Remote controller SW1.1 OFF SW1.3 SW1.6 OFF Field wiring. page 17 Model: MCM050T J1 SW-PB KEY1 JP7 HF MF LINE J3 N N LF MF HF ON 1 CON3 L yellow JP4 brown JP5 red NEUTRAL JP2 JP6 orange B A J5 2 3 SW1 ON DIP SW2 4 ON DIP 5 Connecting indoor/outdoor units communication 6 7 6 8 6 DIP 5 Coil outlet temperature sensor Coil inlet temperature sensor Coil middle temperature sensor yellow/green black black Transformer Remote receiving yellow/green Indoor return air temperature senso red blue yellow brown orange blue yellow brown Electronic expansion valve orange EXV blue CON6 M ~ black M ~ Fan motor 1 Fan motor 2 Swing motor Indicator Notes: (220V~/50Hz) JP1 Remote controller SW3.1 ON SW3.7 SW3.8 0N OFF SW1.1 SW1.2 OFF OFF SW1.5 SW1.6 OFF OFF Field wiring. Model: MDB050/060T k1 k2 黄 棕 k3 橙 J1 SW-PB KEY1 JP7 HF MF J3 LINE J2 NEUTRAL JP2 JP1 JP6 JP5 k3 JP4 Transformer ON 1 L 2 SW2 N MF 6 TR1 TR2 Coil outlet temperature sensor Coil inlet temperature sensor Coil middle temperature sensor Remote controller Indoor return air temperature senso WATER yellow/green white white M ~ High 5 Low 3 8 2 DIP 1 LCD Wire controller HF yellow/green 6 7 1 DIP 5 ON Middle DIP 4 ON 3 SW1 Connecting indoor/outdoor units communication k1 red CON3 MOTOR B CON5 A J5 Fan motor (220V~/50Hz) Notes: JP1 DIP switch SW3 settings: SW1.3 SW1.4 OFF OFF Field wiring. page 18 Model: MDS030A 220V~/50Hz N FU 2 PWMV KM 5 8 10 LOW-FAN 1L1 3L2 7 FIXED COMP DIG COMP 4WV PWMV 3 HI-FAN EXV MID-FAN N L KM LIVE 2T1 4T2 N RY1 RY2 RY3 RY5 RY4 RY6 RY7 NEUTRAL red white Transformer C2 M ~ 14 OV-COMP1 J1 Fan 1 Connecting indoor units communication Jumper settings: Symbol Description Symbol Description PTC Compressor start-up unit FU Fuse KM Contactor EXV Electric expansion valve C1-2 Capacitor PWMV Solenoid valve HP High pressure switch LP Low pressure switch JP1 JP2 OFF OFF LP 12 HP Coil middle temperature sensor (TH5) DIP switch J2 setting: J2.6 回气温度感温器(TH3) Ambient temperature sensor (TH2) ON Notes: J1.1 OFF Air discharge temperature sensor of the digital compressor (TH1) Field wiring 1: 2: 3: 4: J1.7 OFF 11 HP MidLet GND DLT A B AI-IN Description of components and parts: LP JP2 C-BTM JP1 InLet black Compressor OV-COMP2 RTN 13 S white McQuay CN1 Shaft heater CM NEUTRAL OV-COMP3 OD TEMP. C R C1 PTC brown blue red orange J2 blue ON Factory wiring and JP2 are ON. Model: MDS030AR 220V~/50Hz N FU 2 EXV KM 7 1L1 3L2 8 MID-FAN HI-FAN FIXED COMP DIG COMP 4WV PWMV 3 10 LOW-FAN L KM LIVE 2T1 4T2 6T3 N RY1 RY2 RY3 RY5 RY4 RY6 RY7 NEUTRAL red orange white Transformer M ~ OV-COMP1 J1 Fan 1 Description of components and parts: Symbol PTC Compressor start-up unit FU Fuse JP1 JP2 4WV Four-way valve EXV Electric expansion valve OFF OFF KM Contactor PWMV Solenoid valve C1-2 Capacitor LP HP High pressure switch RC Description Surge suppressor Jumper settings: 11 LP HP 12 HP Coil outlet temperature sensor (TH6) Connecting indoor units communication Description MidLet GND C-BTM A B AI-IN Symbol LP JP2 InLet JP1 RTN black Compressor OV-COMP2 OutLet C2 OD TEMP. 13 OV-COMP3 McQuay CN1 Shaft heater S white NEUTRAL DLT C R C1 PTC blue red brown J2 blue Coil middle temperature sensor (TH5) DIP switch J2 setting: Coil inlet temperature sensor (TH4) OFF OFF J2.6 Return air temperature sensor (TH3) OFF J1.3 J1.4 OFF OFF Ambient temperature sensor (TH2) Notes: J1.5 ON J1.6 OFF J1.7 ON page 19 1: 2: 3: 4: Air discharge temperature sensor of the digital compressor (TH1) Field wiring Factory wiring and JP2 are ON. Model: MDS040A 220V~/50Hz N N FU 2 PWMV KM 5 HI-FAN 8 10 LOW-FAN 1L1 3L2 5L3 7 FIXED COMP DIG COMP 4WV PWMV 3 MID-FAN L KM LIVE 2T1 4T2 6T3 N RY1 RY2 RY3 RY5 RY4 RY6 RY7 NEUTRAL red yellow brown orange blue yellow brown 14 red Fan 1 OV-COMP1 J1 Fan 2 JP1 GND DLT A B AI-IN Connecting indoor units communication Description of components and parts: Jumper settings: Symbol Description Symbol Description JP1 JP2 PTC Compressor start-up unit FU Fuse OFF OFF KM Contactor PWMV Solenoid valve C1-3 Capacitor LP Low pressure switch HP High pressure switch 11 LP HP 12 HP Coil middle temperature sensor (TH5) DIP switch J2 setting: J2.6 Return air temperature sensor (TH3) Ambient temperature sensor (TH2) ON Notes: J1.1 OFF Air discharge temperature sensor of the digital compressor (TH1) Field wiring 1: 2: Factory wiring 3: 4: If the unit is connected at the end of the bus, JP1 and JP2 are ON. J1.7 OFF LP JP2 MidLet 13 white OV-COMP2 TRAN-L M ~ C-BTM S McQuay Transformer C3 M ~ PTC Compressor orange blue C2 C1 InLet R RTN CM NEUTRAL OV-COMP3 OD TEMP. C blue red blue J2 OFF Model: MDS040AR 220V~/50Hz N FU 2 EXV KM 7 22 8 MID-FAN HI-FAN FIXED COMP 21 DIG COMP 3L2 2T1 4T2 4WV PWMV 3 10 LOW-FAN N L KM LIVE N RY1 RY2 RY3 RY5 RY4 RY6 RY7 NEUTRAL yellow brown orange OV-COMP1 J1 Fan 2 JP1 A B GND AI-IN Description of components and parts: Description PTC Compressor start-up unit FU Fuse JP1 JP2 4WV Four-way valve EXV Electric expansion valve OFF OFF KM Contactor PWMV Solenoid valve C1-3 Capacitor LP Low pressure switch HP High pressure switch RC Surge suppressor Symbol Description Jumper settings: LP 12 HP Coil middle temperature sensor (TH5) DIP switch J2 setting: Coil inlet temperature sensor (TH4) J2.6 Return air temperature sensor (TH3) OFF Ambient temperature sensor (TH2) Notes: J1.7 OFF 11 HP Coil outlet temperature sensor (TH6) Connecting indoor units communication Symbol LP JP2 OutLet red MidLet blue brown yellow 14 Fan 1 OV-COMP2 C-BTM red M ~ InLet 13 Compressor M ~ RTN S white Transformer C2 OV-COMP3 McQuay CN1 Shaft heater OD TEMP. CM NEUTRAL DLT C R C1 PTC blue red orange J2 blue OFF OFF OFF page 20 1: 2: 3: 4: Field wiring Air discharge temperature sensor of the digital compressor (TH1) Factory wiring and JP2 are ON. Model: MDS050A 220V~/50Hz N FU 2 PWMV KM 5 8 10 MID-FAN LOW-FAN 1L1 3L2 5L3 7 HI-FAN DIG COMP 4WV PWMV 3 FIXED COMP L KM LIVE 2T1 4T2 6T3 N RY1 RY2 RY3 RY5 RY4 RY6 RY7 NEUTRAL brown yellow orange McQuay Transformer 13 white red 14 red Fa n 1 OV-COMP2 TRAN-L M ~ J1 Fan 2 JP1 GND DLT A B AI-IN Connecting indoor units communication Description of the components and parts: Jumper settings: Symbol Description Symbol Description PTC Compressor start-up unit FU Fuse KM Contactor PWMV Solenoid valve C1-3 Capacitor LP Low pressure switch HP OFF LP 12 HP Return air temperature sensor (TH3) Ambient temperature sensor (TH2) ON Notes: Air discharge temperature sensor of the digital compressor (TH1) Field wiring 1: Factory wiring J1.7 OFF High pressure switch 11 HP Coil middle temperature sensor (TH5) DIP switch J2 setting: J2.6 OFF LP JP2 OutLet S Compressor C3 M ~ PTC InLet C2 C1 C-BTM R RTN CM OV-COMP3 MidLet blue yellow brown orange NEUTRAL TRAN-H OD TEMP. C blue blue blue red J2 3: 4: ON and JP2 are ON. Model: MDS050AR 220V~/50Hz N FU 2 4WV 21 7 8 10 MID-FAN LOW-FAN DIG COMP 4WV PWMV 3L2 5L3 5 4 3 HI-FAN PWMV FIXED COMP N L KM 2T1 4T2 LIVE 22 N RY1 RY2 RY3 RY5 RY4 RY6 RY7 NEUTRAL yellow brown orange NEUTRAL TRAN-H red Compressor red Fa n 1 OV-COMP2 TRAN-L OV-COMP1 J1 Fan 2 JP1 A B GND AI-IN Description of the components and parts: Description Symbol Description PTC Reverse phase-loss protector FU Fuse 4WV Four-way valve EXV Electronic expansion valve KM Contactor PWMV PWM valve Jumper settings: JP1 JP2 OFF OFF 11 LP HP 12 HP Coil outlet temperature sensor (TH6) Connecting indoor units communication Symbol LP JP2 InLet white 14 McQuay CN1 Transformer M ~ C-BTM S C3 M ~ RTN C2 OD TEMP. Shaft DLT C R C1 PTC OV-COMP3 OutLet blue yellow brown orange blue red blue J2 Coil middle temperature sensor (TH5) DIP switch J2 setting: Coil inlet temperature sensor (TH4) J2.6 Return air temperature sensor (TH3) OFF C1-3 Capacitor LP Low pressure switch J1.1 J1.2 J1.3 J1.4 HP High pressure switch RC Surge suppressor OFF OFF OFF OFF Ambient temperature sensor (TH2) Notes: DIP switch J1 settings: J1.5 J1.6 OFF J1.7 ON page 21 1: 2: 3: 4: Air discharge temperature sensor of the digital compressor (TH1) Field wiring Factory wiring and JP2 are ON. Model: MDS050AR 380V/3N~/50Hz N R S T 71 81 red green yellow DB3A L FU RC EXV 4WV 21 OL L1 LIVE N NEUTRAL RY1 RY2 23 LOW-FAN HI-FAN RY3 22 MID-FAN KM FIXED COMP DIG COMP 4WV PWMV 1 RY5 RY4 RY6 RY7 NEUTRAL yellow brown Transformer 18 Digital compressor red C2 20 Fan 1 red Fan 2 JP1 Description 4WV DLT GND AI-IN Symbol Description FU Fuse Electronic expansion valve OL JP1 JP2 12.9A OFF OFF 15 LP HP 16 HP Coil outlet temperature sensor (TH6) Connecting indoor units communication Coil middle temperature sensor (TH5) DIP switch J2 setting: Four-way valve EXV KM Contactor PWMV PWM valve C1-2 Capacitor OL Overload protector HP High pressure switch LP RC Surge suppressor OFF OL LP JP2 A B DB3A 12 OV-COMP1 Description of the components and parts: Symbol OV-COMP2 J1 OutLet C1 M ~ InLet M ~ C-BTM T3 OD TEMP. Shaft heater McQuay CN1 T2 M ~ OV-COMP3 RTN blue orange yellow brown orange blue red green yellow J2 Coil inlet temperature sensor (TH4) J2.6 Return air temperature sensor (TH3) Ambient temperature sensor (TH2) OFF Notes: J1.2 J1.3 J1.4 J1.5 J1.6 OFF OFF OFF OFF OFF Air discharge temperature sensor of the digital compressor (TH1) Field wiring 1: 2: Factory wiring 3: J2.1~2.5 sets the internetworking control address 4: If the unit is connected at the end of the bus, JP1 and JP2 are ON. J1.7 ON Model: MDS060A 380V/3N~/50Hz R S N DB3A K1 green PWMV DIG COMP 4WV PWMV L1 LIVE N NEUTRAL RY1 RY2 K3 K2 3 KM OL K1 KM 1 7 RY3 RY5 RY4 8 LOW-FAN K2 21 MID-FAN 22 71 HI-FAN K3 red yellow 23 81 FIXED COMP L FU RY6 RY7 C2 orange red OV-COMP1 JP1 OL LP 15 LP HP 16 HP JP2 A B AI-IN GND InLet Fan 2 C-BTM black RTN Fan 1 OD TEMP. black 12 J1 20 18 Digital compressor OV-COMP2 OutLet C1 M ~ MidLet M ~ OV-COMP3 McQuay Transformer 19 17 T3 DLT M ~ NEUTRAL white white T2 T1 brown blue red orange brown blue red green yellow J2 Description of the components and parts: Connecting indoor units communication Symbol Description Symbol Description DB3A Reversion phase-loss protector FU Fuse OL JP1 JP2 Contactor PWMV Solenoid valve 14.0A OFF OFF KM C1-2 Capacitor OL Overload protector K1-3 Relay LP Low pressure switch HP High pressure switch Overload settings and jumper settings: J2.6 Return air temperature sensor (TH3) Ambient temperature sensor (TH2) ON Notes: J1.7 OFF Coil middle temperature sensor (TH5) DIP switch J2 setting: OFF page 22 Air discharge temperature sensor of the digital compressor (TH1) Field wiring 1: 2: Factory wiring 3: 4: If the unit is connected at the end of the bus, JP1 and JP2 are ON. Model: MDS060AR 220V~/50Hz N N L FU 2 19 K3 18 K2 17 K1 RC K1 KM 8 10 MID-FAN HI-FAN DIG COMP 22 7 FIXED COMP 21 4WV PWMV 3L2 2T1 4T2 K3 K2 5 3 LOW-FAN EXV KM LIVE RY1 RY2 RY5 RY4 RY3 RY6 RY7 NEUTRAL N brown orange blue black Fa n 1 OV-COMP1 J1 Fan 2 JP1 GND DLT A B AI-IN Description of the components and parts: Symbol Description Symbol Description PTC Reverse phase-loss protector FU Fuse 4WV Electronic expansion valve LP 11 LP HP 12 HP JP2 MidLet black InLet C2 14 Compressor OV-COMP2 M ~ 15 OutLet red red McQuay Transformer white M ~ C-BTM S white brown white 13 RTN Shaft heater CM OV-COMP3 OD TEMP. PTC NEUTRAL CN1 C R C1 orange blue red blue J2 Coil outlet temperature sensor (TH6) Connecting indoor units communication Coil middle temperature sensor (TH5) DIP switch J2 setting: Coil inlet temperature sensor (TH4) Four-way valve EXV KM Contactor PWMV PWM valve C1-3 Capacitor LP Low pressure switch HP High pressure switch RC Surge suppressor K1-3 Relay JP1 JP2 OFF OFF J2.6 Return air temperature sensor (TH3) OFF Ambient temperature sensor (TH2) Notes: DIP switch J1 settings: OFF OFF J1.4 J1.5 J1.6 J1.7 OFF OFF ON OFF 1: 2: 3: 4: Air discharge temperature sensor of the digital compressor (TH1) Field wiring Factory wiring J2.1~2.5 sets the internetworking control address and JP2 are ON. Model: MDS060AR 380V/3N~/50Hz R S N DB3A green K3 22 K2 21 K1 red yellow 23 71 81 EXV K1 KM L1 LIVE N NEUTRAL RY1 RY2 RY3 7 MID-FAN HI-FAN FIXED COMP DIG COMP 4WV PWMV KM OL K3 K2 5 1 RY5 RY4 8 LOW-FAN L FU RY6 RY7 orange red M ~ C2 OV-COMP1 JP1 A B Description DB3A AI-IN Symbol Description FU Fuse GND 15 LP HP 16 HP Coil outlet temperature sensor (TH6) Connecting indoor units communication Coil middle temperature sensor (TH5) DIP switch J2 setting: 4WV Four-way valve EXV Electronic expansion valve OL JP1 JP2 KM Contactor PWMV Solenoid valve 14.0A OFF OFF C1-2 Capacitor OL Overload protector K1-3 Relay LP HP High pressure switch RC Surge suppressor OL LP JP2 InLet Fan 2 C-BTM black RTN Fan 1 OD TEMP. black 12 J1 20 18 Description of the components and parts: Symbol OV-COMP2 OutLet C1 Digital compressor Transformer 19 M ~ McQuay CN1 white 17 T3 DLT Shaft M ~ NEUTRAL OV-COMP3 MidLet white T2 T1 brown blue red orange brown blue red green yellow J2 Coil inlet temperature sensor (TH4) J2.6 Return air temperature sensor (TH3) OFF Notes: J1.2 J1.3 J1.4 J1.5 J1.6 J1.7 OFF OFF OFF OFF ON OFF page 23 Ambient temperature sensor (TH2) Air discharge temperature sensor of the digital compressor (TH1) Field wiring 1: 2: Factory wiring 3: J2.1~2.5 sets the internetworking control address 4: If the unit is connected at the end of the bus, JP1 and JP2 are ON. Model: MDS080/100/120B LOW-I TR KM1 KM2 KM3 KM4 OL1 OL2 OL3 OL4 HI-1 TH7 TH5 TH3 LPT 1 2 3 red white hit bl k black blue TH12 TH11 LOW-U V2- 25 26 Apc Bin Ain 12 OL2 13 J1 L Digital compressor EXV1 Reversion Symbol Description FU Fuse KM Contactor Overcooling electronic expansion p valve HP High pressure switch Solenoid valve LPT Low pressure sensor TR Fan motor 10 2 4 KM3 KM4 3 5 OL Overload protection Transformer Model MDS080B OL4 0.67A MDS120B 1.8A EXV4 11 EXV4 PMW Description DB3A Connecting central control n system J18 1 Constant-speed compressor 33 FIX1 HP M ~ 4WV T3 FANH M ~ FANL T2 T1 SV1 T3 Connecting the indoor unit 32 MDS-P SV2 M ~ 31 DIG-OL OL4 17 L1 T2 T1 FIX1-OL PMW brown yellow 24 OL1 30 white black 22 23 red blue blue yellow red red blue FIX2-OL 21 HI-U MDS-M FIX2 yellow red L 71 T Air suction temperature sensor TH12 FU Coil middle temperature sensor TH3 N T R Overcooling circuit outlet temperature sensorTH11 380V/3N~/50Hz KM1 KM2 Notes: Field wiring 1: 2: Factory wiring 3: S1.3~S1.8 set the number of indoor units. S2.1 sets the unit as a master/slave. For details of S2.4~S2.8, see the instructions. MDS080B MDS100B MDS120B Model: MDS080/100/120BR LOW-I TR KM3 KM2 LOW-U TH12 TH11 HI-U MDS-M FIX2-OL 25 26 OL2 13 M ~ J1 Shaft heater L EXV1 Digital compressor EXV4 J18 1 Constant-speed compressor 4WV HP FIX1 S1 OL4 17 FANH M ~ T3 MDS-P FANL T2 Connecting the indoor unit DIG-OL SV1 T1 FIX1-OL SV2 24 PMW red 22 23 12 white black blue red yellow 21 OL1 L1 T2 Apc Bin Ain OL4 19 blue yellow red TH5 TH3 FIX2 OL3 OL2 18 T1 TH7 1 2 3 V2- brown OL1 HI-1 KM4 yellow KM1 Air suction temperature sensor TH12 blue yellow red L 71 red white black FU T Coil middle temperature sensor TH3 N T R Overcooling circuit outlet temperature sensorTH11 380V/3N~/50Hz 2 4 KM3 KM4 7 10 11 3 Fan motor PMW 4WV KM1 KM2 Descriptions of the components and parts: Symbol DB3A Description Description Fuse protector 4WV KM Notes: Contactor HP Solenoid valve LPT Low pressure sensor TR Transformer OL Overload protection S3.4 Field wiring 1: 2: Factory wiring 3: S1.3~S1.8 set the number of indoor units. S2.1 sets the unit as a master/slave. For details of S2.4~S2.8, see the instructions. ON page 24 FU blue yellow LOW-I TR white T1 T2 M ~ T3 T1 T2 M ~ T3 yellow Bpc Apc Bin Ain 13 OL3 14 MDS-P 26 Constant-speed compressor 2 HP 15 OL4 16 OL5 17 HP M ~ J1 Digital compressor Connecting the indoor unit Connecting central control n system DIG-OL EXV1 L EXV4 J18 1 Constant-speed compressor 1 HI-U 30 FIX1 T3 OL1 FIX2-OL FANH T2 M ~ 12 FANL 24 OL2 LOW-U MDS-M V2- SV1 23 red 21 L1 T1 TH4 TH2 OL5 blue yellow red blue yellow red red OL4 TH7 TH6 TH5 TH3 V1V2+ SV2 OL2 KM5 white black OL1 KM4 KM3 brown KM2 blue KM1 HI-1 LPT 1 2 3 V1+ black PMW red L 71 T DIG N T R red white black 380V/3N~/50Hz red white black Air discharge temperature sensor of the digital compressor TH1 Model: MDS150B Fan motor 8 2 4 KM4 KM5 3 5 PMW KM5 10 11 EXV4 KM4 KM2 KM1 KM3 Description of the components and parts: Reversion DB3A FU KM Contactor HP High pressure switch OL LPT HPT Fuse Solenoid valve Overload protection Notes: OL1 OL3 OL4 OL5 14.0 14.0 3.3A 1.8A Field wiring 1: 2: Factory wiring 3: S1.3~S1.8 set the number of indoor units. S2.1 sets the unit as a master/slave. For details of S2.4~S2.8, see the instructions. High pressure sensor TR Transformer S2.3 S3.4 ON ON Model: MDS150BR 13 OL3 14 FIX2-OL brown 25 26 T1 S1 M ~ Constant-speed compressor 2 OL5 17 HP T2 M ~ J1 Shaft heater heater HP 15 OL4 heater Digital compressor 31 Connecting the indoorr unit 32 33 Connecting central control o system DIG-OL L FANL T2 30 Bpc Apc Bin Ain OL1 HI-U S2 S3 FIX1 12 SV1 T2 Constant-speed compressor 1 OL2 LOW-U MDS-M SV2 24 white black 23 red blue 21 L1 T1 TH12 TH11 4WV OL5 TH5 TH3 V2- red blue red KM5 19 red yellow 18 KM4 OL4 TH7 FANH KM3 yellow KM2 OL2 blue KM1 OL1 HI-1 PMW yellow red blue LOW-I TR LPT 1 2 3 red white black 71 red white black FU T FIX2 N T R Overcooling circuit outlet temperature sensorTH11 380V/3N~/50Hz EXV1 EXV4 J18 1 Fan motor PMW 2 4 KM4 KM5 3 5 8 10 11 KM5 Description of the components and parts: DB3A Reversion Fuse 4WV KM Contactor HP High pressure switch LPT Low pressure sensor Overload protection HPT High pressure sensor Transformer OL1 OL3 OL4 14.0 14.0 3.3A Notes: Field wiring 1: 2: Factory wiring 3: S1.3~S1.8 set the number of indoor units. S2.1 sets the unit as a master/slave. For details of S2.4~S2.8, see the instructions. S2.3 S3.2 S3.3 S3.4 ON OFF ON ON page 25 Model: MDS180B FU Ambient temperature sensor TH8 R S L blue yellow 71 red Air discharge temperature sensor of the digital compressor TH1 380V/3N~/50Hz TR LOW-I HI-1 TH7 TH6 TH5 TH3 TH9 TH8 TH4 TH2 TH1 V1+ V1V2+ V2- KM4 KM3 MDS-E EXV2 KM2 MDS-M SV2 L FANL3 FANH3 FANH2 HP 15 T1 T2 M ~ T3 T2 T1 M ~ T3 T2 T1 M ~ T3 FIX2 DIG 4WV1 4WV2 PMW S2 EXV1 black brown M ~ 43 white white black 41 brown blue yellow red blue yellow red blue yellow red S1 36 37 FIX3 L1 FANL1 FANH1 L 35 45 Apc Bin Ain L OL4 OL3 FIX1 OL2 EXV3 FIX3-OL M ~ 20 22 KM5 KM7 1 23 2 5 7 EXV4 10 24 KM4 Constant-speed compressor 1 Constant-speed compressor 2 Digital compressor Fan motor 1 KM7 4WV2 KM2 KM1 KM3 EXV4 Fan motor 2 Descriptions of the components and parts: Symbol Description FU Fuse PMW Solenoid valve Notes: OL OL1 OL2 OL3 OL4 OL5 OL6 Field wiring 1: 2: Factory wiring 3: S1.3~S1.8 set the number of indoor units. S2.1 sets the unit as a master/slave. For details of S2.4~S2.8, see the instructions. OL7 Model: MDS180BR FU L 71 EXV2 blue TR LOW-I TH7 TH6 TH5 TH3 TH12 TH11 LOW-U MDS-E EXV2 KM2 HI-1 T3 T1 T2 M ~ T3 Bin Ain FANL3 FANH3 FANH2 SV2 L DIG black S3 FIX2 brown 4WV1 white M ~ S2 EXV1 M ~ Shaft heater 20 22 KM5 KM7 23 1 2 3 5 10 24 KM4 Constant-speed compressor 1 Constant-speed compressor 2 Digital compressor Fan motor 1 KM7 KM2 KM1 KM3 Fan motor 2 Description of the components and parts: Symbol DB3A 4WV Notes: KM 1: HP LPT Low pressure sensor Solenoid valve HPT High pressure sensor Overload protection TR Transformer Connecting the indoor unit 17 4WV2 43 PMW 41 black 36 37 brown blue yellow red blue yellow red blue red yellow T2 35 FIX3 HP 15 S1 M ~ 46 Connecting central control system L1 T1 45 30 FANL1 29 FANH1 28 EXV3 OL2 12 HI-U MDS-M FIX3-OL OL2 FIX1 yellow red T Overcooling circuit outlet temperature sensorTH11 R S Air suction temperature sensor TH12 380V/3N~/50Hz 2: S3.4 3: OFF page 26 Field wiring Factory wiring S1.3~S1.8 set the number of indoor units. S2.1 sets the unit as a master/slave. For details of S2.4~S2.8, see the instructions. EXV4 Model: MDS200/220/240B blue TR LOW-I HI-1 TH7 TH5 TH3 Air discharge temperature sensor of the digital compressor TH1 Ambient temperature sensor TH8 Before overcooling circuit temperature sensor TH9 After overcooling circuit temperature sensor TH10 TH11 TH10 TH8 TH4 LPT HPT 3 red yellow red R S Overcooling circuit outlet temperature sensorTH11 Air suction temperature sensor TH12 380V/3N~/50Hz TH1 HI-U V1+ V1V2+ MDS-E MDS-M Bin Ain EXV2 V2- EXV3 L L SV2 L FANL3 FANH3 FANL2 FANH2 15 S3 MDS-P DIG FIX1 FIX3 4WV2 PMW S2 FIX2 S1 19 4WV1 HP black white brown black white brown L1 FANL1 FANH1 blue yellow red blue yellow red blue yellow red blue yellow red L EXV1 EXV4 J1 T1 T2 M ~ T3 T1 T2 M ~ T3 T1 T2 T3 M ~ T1 T2 1 T3 M ~ M ~ 2 4 M ~ 5 7 4WV Constant-speed compressor 1 Constant-speed compressor 2 Constant-speed compressor 3 Digital compressor Fan motor 1 10 KM1 KM4 EXV4 Fan motor 2 Descriptions of the components and parts: Symbol Description FU Fuse PMW Solenoid valve OL1 Model OL2 OL4 OL6 OL7 OL8 OL Notes: Field wiring 1: 2: Factory wiring 3: S1.3~S1.8 set the number of indoor units. S2.1 sets the unit as a master/slave. For details of S2.4~S2.8, see the instructions. Model: MDS200/220/240BR R S FU Air discharge temperature sensor of the digital compressor TH1 380V/3N~/50Hz L blue yellow red EXV2 TR LOW-I HI-1 TH7 TH6 TH5 TH3 3 TH2 TH1 V1+ V1V2+ OL3 11 L L1 HP 45 SV2 L FANL3 FANH3 FANL2 15 DIG FIX1 MDS-P FIX3 4WV1 PMW 4WV2 S1 black white brown yellow red blue black white brown red blue yellow 32 FANH2 FANH1 blue yellow MDS-M L 31 red blue yellow 30 red blue yellow 29 red blue yellow red 28 MDS-E L OL5 OL1 Bpc Apc Bin Ain KM8 FIX2 KM6 EXV3 KM5 FANL1 KM4 KM3 EXV2 V2- KM1 EXV1 J1 T1 T2 M ~ T3 T1 T2 M ~ T3 T1 T2 M ~ T3 T1 Shaft heater Shaft heater Shaft heater Constant-speed compressor 1 Constant-speed compressor 2 Constant-speed compressor 3 T2 M ~ 1 T3 M ~ 2 M ~ Shaft heater Fan motor 1 Digital compressor Fan motor 2 Descriptions of the components and parts: Symbol FU EXV2 Description Fuse expansion valve 2 EXV4 expansion valve 4 PMW Solenoid valve OL Overload protection Model OL1 OL2 OL3 OL4 OL5 OL6 OL7 OL8 MDS200BR 14.0A 14.0A 14.0A 14.0A 1.9A 0.67A 1.9A 0.67A MDS220BR 14.0A 14.0A 14.0A 14.0A 1.9A 0.67A 1.9A 0.67A MDS240BR 14.0A 14.0A 14.0A 14.0A 3.3A 1.8A 3.3A 1.8A Notes: 1: 2: 3: page 27 Field wiring Factory wiring S1.3~S1.8 set the number of indoor units. S2.1 sets the unit as a master/slave. For details of S2.4~S2.8, see the instructions. EXV4 LOW-I TR KM3 OL1 OL2 OL3 KM4 TH11 V1V2+ TH4 TH2 white 30 J1 Apc DIG EXV1 L 1 2 7 4 10 Digital compressor Fan motor EXV4 11 EXV1 KM3 Constant-speed compressor Connecting central n control system S3 FIX1 S2 FANH N FIX2 white black S1 HP M ~ Shaft heater heater 33 MDS-P FANL T3 17 HP Connecting the slave unit 32 DIG-OL SV1 M ~ FIX1-OL SV2 T1 T2 13 LP L1 T2 OL2 4WV 25 26 brown 24 12 PMW blue yellow red red 31 OL1 HI-U MDS-M V2- FIX2-OL 19 blue 18 red white black LOW-U Ain KM2 TH7 TH6 TH5 TH3 V1+ black KM1 HI-1 LPT 1 2 3 red white black blue yellow red Air suction temperature sensor TH12 L 71 Coil inlet temperature sensor TH2 FU T After overcooling circuit temperature sensor TH10 T N R S Overcooling circuit outlet temperature sensorTH11 380V/3N~/50Hz Air discharge temperature sensor of the digital compressor TH1 Model: MDS260BR (Master Unit) 3 PMW KM4 KM1 KM2 Description of the components and parts: Description Fuse 4WV KM Notes: Contactor OL1 LPT Low pressure sensor Overload protection HPT High pressure sensor Transformer Field wiring 1: 2: Factory wiring 3: S1.3~S1.8 set the number of indoor units. For details of S2.4~S2.8, see the instructions. OL4 1.8A HP S1.1 S2.2 S2.3 S3.2 OFF ON S3.3 S3.4 OFF OFF OFF LOW-I TR KM4 KM5 T1 Compressor 2 14 MDS-P HP 15 OL4 HP N M ~ J1 heater Compressor 3 Fan motor Connecting the h indoor unit 32 L EXV1 J18 2 4 KM4 KM5 3 5 7 8 10 Description of the components and parts: Description Reversion FU 4WV KM Fuse OL1 OL3 OL4 OL5 System electronic 14.0 14.0 3.3A 1.8A Notes: Contactor S2.1 HP LPT Low pressure sensor HPT High pressure sensor TR Transformer S2.2 S2.3 S3.2 S3.3 S3.4 Field wiring 1: 2: Factory wiring 3: S1.3~S1.8 set the number of indoor units. For details of S2.4~S2.8, see the instructions. page 28 Connecting m master unit 33 KM5 DB3A HI-U DIG-OL OL5 17 T2 Shaft heater heater 13 OL3 LOW-U FIX1 T2 M ~ OL1 FANL T1 Compressor 1 FIX2-OL 25 26 white black 24 brown red blue 23 yellow blue red blue yellow red blue red 21 L1 T2 12 SV1 OL2 T1 Bpc Apc Bin Ain OL5 19 SV2 OL4 18 TH4 TH2 MDS-M V2- OL2 OL1 TH12 TH11 FANH KM3 V1V2+ PMW KM2 TH7 TH6 TH5 TH3 V1+ black KM1 HI-1 LPT 1 2 3 red white black blue yellow red L 71 red white black FU T Coil inlet temperature sensor TH2 N T R Air suction temperature sensor TH12 380V/3N~/50Hz Overcooling circuit outlet temperature sensorTH11 Model: MDS260/280/300BR (Slave Unit) 11 EXV4 Model: MDS280/300BR (Master Unit) 380V/3N~/50Hz N T R FU T 71 LPT KM2 KM4 KM5 TH5 TH3 V1V2+ white a unit 31 Connecting the slave Digital compressor L Apc S3 DIG M ~ heater S2 4WV HP J1 Shaft heater Constant-speed compressor 2 OL5 17 FANH M ~ heater HP 15 OL4 T2 FANL T1 MDS-P DIG-OL FIX1 14 FIX2 13 OL3 SV1 T2 Constant-speed compressor 1 OL1 FIX2-OL SV2 T2 12 S1 L1 T1 OL2 26 white black 24 brown red 23 yellow blue blue yellow red blue yellow red 21 HI-U 30 OL5 19 PMW OL4 OL2 18 red OL1 LOW-U MDS-M V2- Ain KM3 TH7 V1+ black KM1 HI-1 red white black LOW-I TR red white black blue yellow red 1 2 3 EXV1 EXV4 J18 1 Fan motor PMW 2 4 KM4 KM5 3 5 8 10 11 EXV1 KM5 Description of the components and parts: DB3A Reversion FU Fuse 4WV KM Notes: Contactor HP LPT Overload protection HPT Transformer Field wiring 1: 2: Factory wiring 3: S1.3~S1.8 set the number of indoor units. S2.1 sets the unit as a master/slave. For details of S2.4~S2.8, see the instructions. page 29 6 Installation 6.1 Outdoor Unit Installation To Choose Location of Installation To ensure the units cooling and heating performance, follow up the below to pick up right place to install units: • To avoid the discharge air return to air inlet, to avoid heated air discharged by other outdoor units; ensure enough space for maintenance. • To remove any barrier of air ventilation both air supply and air discharge. • Maintain good ventilation for better heat exchange efficiency. If not, it will cause difficulties to maintain the unit in future. • Installation base shall be strong enough to support the units and prevent vibration. If not, it may cause the unit falling off. • Do not expose to sunshine place. • To avoid to install units at dirty and salty place. • To avoid to install units at easy burning gas leakage place. • Do not install units which is subject to impact by typhoon and strong wind, also to avoid the place of sunshine and snow & rain. • Do not install the unit around the Hi-frequency equipment place (such as hi-frequency electric wielding machine). • Do not install units to the place where often contacts acid liquid. • Do not install in the place usually using sulfide or other sprayer. Space for Installation of Outdoor Units One single outdoor units can be installed in one place, many outdoors can be installed one big place, refer to the followings: Space for Single Unit ≥450mm+h2 ≥450mm+h1 ,9. 1 53 75 3 2 ,3. 1 48 78 0 4 ≥450mm h1 ≥450mm BACK h2 • ≥450mm ≥450mm AIR OUTLET GUIDE ≥450mm FRONT ≥450mm+h3 ≥45° ≥100mm+h4 ≥ 1000mm ≥300mm h3 FRONT h4 ≥450mm ≥450mm ≥900mm FRONT FRONT ≥900mm BACK BACK ≥1000mm FRONT FRONT ≥450mm Space for More Than One Units ≥450mm • FRONT page 30 FRONT ≥450mm FRONT BACK FRONT BACK FRONT ≥1000mm BACK BACK ≥1000mm FRONT BACK FRONT FRONT BACK FRONT ≥1000mm BACK BACK ≥450mm FRONT FRONT BACK FRONT ≥450mm FRONT FRONT BACK FRONT ≥900mm ≥900mm FRONT BACK ≥450mm ACK FBRONT ≥450mm ≥450mm BACK FRONT BACK ≥450mm ≥1000mm BACK ≥900mm ≥900mm ≥1000mm BACK ≥1000mm Handling Outdoor Units Please refer to the followings to conduct moving of units; To use 4 supporting point to move units instead of Suspension ropes (8m orunits longerdrop × 2 roff. opes) 3Prote points, to avoid unstable move and ctive pads <40° <4 0 ° Protective pads Suspension ropes (8m or longer × 2 ropes) <40° <4 0 ° >8m >8m >8m >8m Notes: • Do not tie or move the unit with the package rope, as it is easy to break and bring danger. • Do use special rope to tie the units for transportation. • Do not touch the fins of units to avoid hurt of hand. • Do keep the plastic bag from the child. Outdoor Unit Installation • • • • To use the solid base or supporter to build the basement. Consider the strength of the floor, drainage (the drainage flows from the unit in operation), and piping layout. If the strength is beyond requirement, the unit may fall off to damage the unit and injure people. To fix the outdoor unit with screw bolt to avoid falling off by earthquake or strong wind. To stop vibration transferring to the installation part, the bottom panel and wall, this depends on the installation condition. Take measures to stop the vibration (such as using cushion blocking or support). To place the edge unit correctly. If not, the unstable unit may cause the installation foots bent. Any incorrect installation may cause the unit falling off and injuring people. Warning: • The installation ground and base must be strong enough to bear the unit weight and vibration. • Notes for locating lower piping and layout: When locating lower piping and layout, make sure the basement not block the hole at the bottom. When locating the lower piping, the basic height shall not be less than 100mm, which can ensure the pipe to get through the unit bottom. page 31 6.2 Installation of the Combined Outdoor Units (Suitable for Model of MDS260/280/300) Two outdoor units can be grouped as one outdoor unit, to couple with multi-indoor units. Grouped outdoor units installation is more complicated than that of the single outdoor unit; please read the below notes carefully before installation. Select the Position of the Installation for Outdoor Unit Select one unit as the main unit, the other one as the slave unit; and two units shall be positioned in the same level side by side. • Main unit and slave unit shall be installed in the same level. • The distance between main and slave unit shall be more than 10mm. Piping Connection of the Outdoor Units • Accessory copper parts are packed with the outdoor units; piping connection includes gas, liquid and balance piping connection between the main and slave units. All piping shall be with insulation material and avoid any damage of this insulation material. Gas and Liquid Piping Connection • • Gas and liquid piping connection with the units, please refer to the concerned chapter of “installation of refrigeration piping”. Gas and liquid piping shall be connected paralleled, shown as below. The dimensions of the straight pipe connected to the Tri-joint must meet the requirements below. (Remove the panel before piping connection) Piping connection position Main and slave units must be installed in the same level A To units To units Bala nce pipe Liqu id p ipe B A >10mm B >200mm C >500mm D>100mm Gas pipe Tri-jiont Elbow For φ28.6mm gas pipe, directly connect to Tri-joint; For φ34.9mm gas pipe, add a reducer and a transition pipe C Conn e indo ct pipe or u nits to D φ28.6mm a transiton pipe (only for φ34.9mm gas pipe) page 32 Balance Piping Connection • • • • Balance piping must be installed. Balance piping shall be connected through the hole of side panel or base panel or the piping connection position with the other outdoor unit. Balance piping shall be installed horizontally and orderly, and shall be lower than the access valve for balance piping. Protect the balance piping carefully and avoid touching any other parts, especially need to keep the piping from touching the wall of hole. Balance piping connection with the unit is shown in below drawing. Side panel hole Access valve for balance piping (φ9.52) Base panel hole Screw joi nt Balance p ipe Insulation and Protection for Connection Piping • • All connection piping shall be well insulated. All piping shall be well protected to avoid any bumping, trampling and rubbing with the surround when vibrating. Otherwise the piping may be damaged, and affect the unit performance and safety, further more other safety problems may occur. page 33 6.3 Indoor Unit Installation To Choose the Position of Installation Improper installation position will influence the cooling and heating performance, or even cause malfunction or accident. To follow up the below instructions: • Ensure air flow everywhere of room. • No barrier for air flow. • Enough maintaining space for installation. If not, it will cause difficulties to maintain the unit in future. If not, it may cause the unit falling off. • Wall or ceiling shall be strong enough to support indoor units. • Do not expose to sunshine place. • Do not install units at oil and steam gas place. • Do not install leakage and easy burning gas place. • Do not install around the Hi frequency equipment place. • Do not install in the place usually using sulfide or other sprayer. Installation of Indoor Unit Installation of MCC-T Series Indoor Units This type indoor units shall couple with duct working of air supply and air return; also can add the heating coil and heater. Indoor Unit • • • To check the accessories are ready. To install the hooker and ensure it strong enough to support unit. Install the unit and check it installed horizontally; ensure the slope of the drainage piping , as shown in below figure. 10mm Notes: drain direction a. Ensure piping and air duct working are most efficient length and units shall be installed in the middle position of the room. b. When installation of the indoor units, to ensure the distance shall be larger than 3m between return air inlet and heat exchanger. • To install the refrigerant pipe drainage pipe. Specification for the refrigerant pipe and drainage pipe, see screw joint indoor E-EXV boxof Usage Instruction. Use the torque spanner to install the pipe to avoid the sectionunit “technical parameters” damaging the copper tube and its joint. liquid pipe • Do not use the damaged copper tube or dirty copper tube. To avoid long time expose to the air. Only get the concerned preparation ready, to start the open valves, connector, copper cup and cover etc.. gas pipe • Some model of this series product need connect a E-EXV box out of the machine, as shown in below figure. Note: The E-EXV box contain a electric-expanding valve in it. If the indoor unit is installed in the bedroom, setting the E-EXV box out of the bedroom can efficient lower the noise of refrigerant flowing and expanding. 10mm 10mm When install the E-EXV box, make sure the box vertical and set it fast. The distance between the E-EXV box and indoor unit could not exceed the length-limit of the expanding valve cable. The cable has a plug to ion unit. direct connect the control boxdrain of the indoor drain direction There are some manners to install the E-EXV (The installation must be safe and solid, and the installation direction must be vertical): indoor unit screw joint E-EXV box liquid pipe gas pipe indoor unit screw joint E-EXV box ©2005 McQuay International liquid pipe gas pipe page 34 ©2005 McQuay International Duct Working Installation Air Supply Duct Working Installation Two types of air supply duct working are for option: round and rectangle. Round air duct working can be connected up to the air supply inlet directly; while the rectangle one needs to be connected with a transition air duct to air supply inlet, and separate to the air diffuser. Pick up the selected air distributor or diffuser to meet the application requirements. Air Return Duct Working Installation To connect with return air inlet of indoor units, the other end connecting with return air inlet of ceiling. Make a sailcloth foldaway air duct, and strengthen it with 8# iron rope, in this way, the unit can be adjusted freely depends on ceiling height. Insulation of Duct Working Both air supply and return duct working shall be equipped insulation material with aluminum foil. electrical heater electrical heater indoor unit jiont indoor unit jiont return air return air heating coil heating coil 出 进 出 水 进 水 水 jiont return air indoor unit jiont return air indoor unit 水 Electrical Heater and Heating Coil Installation The way to install electrical heater and heating coil is almost the same, both need to connect to air outlet of indoor units as shown as followings: Notes: a. Ensure the space for installation. b. Ensure no barrier, and good ventilation is a must. Please refer to the below figure: ≥0.5m ≤0.3m Install MCK-T Series Indoor Unit ≥0.5m ≥1.0m ≥0.5m ≥0.5m ≥0.5m ≥0.5m ≥1.0m obstacle ≤0.3m ≤3.0m girder ≤3.0m girder indoor unit floor obstacle indoor unit floor To refer to the above installation dimension to ensure the performance of units as much as possible. The supports shall carry weight 4 times larger than the indoor units to avoid unnecessary vibration and reduce the noise. Installation Instruction a. To keep indoor units from the source of heat and vapor. b. To measure the position of fixing and drill hole in the ceiling and fix the units tightly. c. The paper temperate shall be measure dimension before usage. d. Ensure the paper temperate is the same dimension as hole dimension in the ceiling. e. Before the completion of ceiling decoration, leave the paper temperate with the indoor unit. f. Ensure the distance between the hang pole is 620.4mm×790.0mm. g. To ensure use screw to fix the indoor units tightly. h. To adjust distance between the bottom panel and ceiling is less than 35.0mm. i. To check installation horizontally, and indoor units are fixed tightly without dropping off and vibration. page 35 (drill hole in ceiling) 890.0mm 790.0 (drill hole in ceiling) 890 .0mm o. p. q. r. 35mm 35mm (drill hole in ceiling)890.0mm 620.4 (machine dimension) 820mm j. k. l. m. n. (machine dimension) 820mm (machine dimension)820mm (machine dimension)8 20mm (drill hole in ceiling)890.0mm 620.4 790.0 To cut the same shape of paper temperate in ceiling. Drainage shall be smooth piping and slope installed. To avoid drainage piping bent, shall be straight. To install the drainage piping, do not exert too strong force. It shall be installed diameter 20 flexible host to connect outside part of drainage piping, as shown as figure. Drainage piping shall be covered with insulation material (thickness: 8.0mm polyphone plastic material), to avoid the dropping off of the condensing water. To connect the drainage host and flexible host. To fill in some water to piping to test the leakage. After testing, to connect the other end of flexible host to indoor units. Note: In this type of indoor units, a water pump is used to help to drain the condensing water, to install unit horizontally to avoid leakage of water and condensing water dropping off. Installation of Front Panel • • • • • To install the front panel, please check the piping connecting direction first. (Follow the direction of the piping connection direction.) To remove the paper temperate. To remove the air filter and grill of front panel. To use 4 screw bolt to fix the frame of front panel tightly. To connect the indicator light with indoor unit and fan swing motor with indoor units respectively. Note: Ensure the frame of the front panel is fixed tightly to avoid the leakage of cool and dropping of condensing water. There are also the hole for fresh air and exhaust air for connection with outside in indoor unit, but as for air piping, and only be the other side of refrigerant piping connector. page 36 Return Air and Supply Air Direction supply air supply air return air supply air Drawings for piping connector and its dimension (unit: mm): supply air ¢ air outlet fresh air inlet Notes: • Do not close all air outlet of indoor unit when start to run the unit to avoid the frost of evaporator. • To ensure the thickness of insulation material and no leakage allowed. • Fresh air shall be less than 20%. Air Tightness of Outlet of Supply Air • • • • Total 4 air outlet can be sealed by insulation material but more than 2 air outlet closed will cause abnormal operation of units. Open the front panel, to seal the air outlet in front panel. To ensure the length of insulation material is the same length of the air outlet. To extend the insulation material to cover the gas more than 10mm but not touch the air grill; there is no need to extend insulation material more than 10 mm. Installation of Air Inlet Grill • • • • • Before installation of air inlet grill, to install the air filter. To ensure the right side to face the grill. Be careful to install the air filter in the frame of air filter supporter. To fix the filer with the front panel. To fix the grill and consider the service friendly to open the grill. Installation of Drainage a. b. c. d. Drainage piping shall be with slope 1/100. To fix the drainage piping with long screw bolt. After installation, to test the leakage drain to make sure it work. Only in cooling mode, there will be detect of drainage status. t c u d r i a e tg c r u a dh c s i d t h g i e h e r u s s e x r o p b c i t a t s g n i l i e c r i a n r u t e r t i n u r o o d n i page 37 Installation of MDB-T Series Indoor Unit To mount the MDS050~060T in ceiling. With the air outlet flange close to the unit bottom, when the unit is mounted in ceiling, the piping is simple and decreases the requirement for room height. After the installation, only the air inlet/outlet is exposed, as shown below. ir a e tg c r u a dh c is d ht ig he e r u s s e x r o p b c i t a t s g n i l i e c ri a t n c r du u et r it un r o do in • • • • • • • To check the accessories are ready To choose the location for installation Make sure it is easy to connect cables and pipes. Select a place where needs shorter air pipe and fewer connecting pipe work and ensure the building is with enough strength, ascertain the pole location and adjust it to keep the unit horizontally, and examine safety of the suspending. To install the hook Make sure to fix the hook, and the top suspending part is strong enough to bear the unit weight. To install the indoor unit To fix the pole location, examine if it is in the same level with the unit, and check if the suspending panel is stable; make sure there is a slope oriented to the drainage direction. Pay attention that the distance between the return air outlet and the heat exchanger inlet shall not be less than 3m. To install the refrigerant piping - If units expose to air more than 15s, units shall be vacuumed firstly. If the connecting piping is not prepared for indoor unit, do not open sealed parts (valves, joints, rubber, plastic gasket and copper cap). Duct working design Well designed duct working can reduce noise level effectively. When doing this, please consider the internal air pressure drop shall be equal to ESP, otherwise, air flow may be too big or too small, and cause the unit failure. It can be solved by adjusting the fan speed to make them in balance (such as adjusting the air speed of the diffuser). Installation of drainage piping a. Slope is required as 1/100. b. To use suspending bolt to fix the long drainage piping. c. After installation, to run the leakage test is necessary. d. Only in cooling mode, there is a need to detect the status of drainage. page 38 Installation of MCM-T Series Indoor Unit To Check the Accessories are Ready To Install the Indoor Unit There are two types of installation. Make sure the hook can bear the unit weight in ceiling mounting; a slope for the drainage direction is a must both for ceiling/floor standing mounting; ensure there is enough space for maintenance around the unit. There are two type of installation: vertical floor standing or horizontal ceiling mounting: ceiling mounting ceiling mounting floor standing mounting ≥500mm floor standing mounting ≤250mm ≥500mm ≥300mm ceiling mounting ≥300mm ≥400mm ≤250mm ceiling mounting ≥1000mm ≥400mm PULL PULL PULL PULL ≥1000mm PULL PULL PULL PULL floor standing mounting floor standing mounting If the indoor unit is semi-concealed mounted in ceiling, reserve holes in ceiling to ensure enough space for mounting and maintenance, as shown below: 300 62 1 10 300 3 00 .0 62 1 10 .0 3 00 machine top panel 10mm 10mm ceiling 10mm machine top panel 10mm 166mm 10mm ceiling 166mm 10mm Horizontal Ceiling Mounted 1. To remove the air return grill, frame, side panel and suspending panel as shown as below: panle side suspending panel frame air return grill page 39 air return grill 2. To fix the suspending panel with screw bolt as shown as above right figure. 3. To hang the unit to the suspending panel and fix screw bolts, after installation of refrigerant pipe and drainage pipe, install the return air grill and frame, as shown below left figure: screw joint indoor unit E-EXV box liquid pipe gas pipe • Install the E-EXV box: All models of this series product need connect a E-EXV box to finish the piping installation, as shown on right figure: Notes: • The E-EXV box contains electric expansion valves, which needs to be mounted in proper place on the wall liquid piping. When installing the E-EXV box, make sure the box vertical. The E-EXV box and the wallindoor unit could not exceed the length-limit of the electric expansion valve cable, as shown above right figure. • There are some manners to install the E-EXV box (the mounting must be fixed and safe, and the direction refrigerant pipe & drain pipe must be vertical). (come out from top panel) Pole Installation mode 1: Rod mounting Installation mode 2: Mounting on the wall Fix with screw Nut Spring pad Washer Hook screw hole Hook Washer Nut Vertical Floor Standing 1. To remove the air return grill, frame, side panel and suspending panel as shown below: 2. To install the unit supporter and wall suspending panel, as shown below left figure: Wall Wall Wall Refrigerant pipe & drainage (come from the top panel) Refrigerant pipe & drainage (come from the rear panel) 3. To install the refrigerant and drainage piping as shown above right figure; 4. To install the electrical expansion valve as same as the horizontal installation; Installation of Drain Piping a. Slope is a must and shall be 1/100, try to drain in a positive slope. b. To fix the drain piping to use screw bolt. c. After installation, to run the water leakage test is a must. d. Only in cooling mode, there is a need to detect the status of drainage. page 40 7 Troubleshooting If the Followings Unit Malfunction Occurred, Please Follow the Below Simple Checking Step to Fix : Symptom Compressor stop and fan work normally Units do not work Cooling or heating not enough or too much Remote controller unreadable Condensing water in front panel • Analyses Solution Indoor temperature is higher (heating) or lower (cooling) than setting temperature Re – set up the temperature When heating and defrost mode, indoor unit is just running Power is not on Set up the re-start function Fuse broken in main power supply Air filter too dirty Return air barrier Low battery Wrong installation of battery Humidity too high Setting temperature too low Waiting for 10minutes Check and connect the power Wait or cancel timer on Replace the fuse Clean or replace the filter Remove the barrier Replace the battery Install properly Dehumidify Set up the higher indoor temperature If user can not fix the problem, please contact the local service agent for assistance, meanwhile record the malfunction code by remote controller and indication light of units self-checking function; Fault Codes for MDSA/B Series Item Code 1 E0 Description System malfunction Item Code 23 F8 4 E3 Sensor broken(TH3 mid coil 1#) 26 FB 5 E4 Sensor broken(TH4 inlet coil 2#) 27 FC 6 E5 Sensor broken(TH5 mid coil 2#) 28 FE 7 E6 Sensor broken(TH6 inlet coil 3#) 29 H0 Digital comp overload 51 1C 8 9 10 11 E7 E8 E9 EA 30 31 32 33 H1 H2 H3 H4 Fixed comp1 overload Fixed comp2 overload Fixed comp3 overload High pressure too high 52 53 54 55 1F 20 27 28 Description Sensor broken(slave TH6 inlet coil 3#) Sensor broken(slave TH7 mid coil 3#) Sensor broken(slave TH8 ambient temp.) Sensor broken(slave TH9 outlet coil) Sensor broken(slave TH10 subcool outlet) Sensor broken(slave TH11 subcool suction) Sensor broken(slave TH12 suction) Emergency run Outdoor storage malfunction Ambient temp.. exceed the limit 4wv malfunction 34 H5 Sensor broken, high pressure 56 29 Refrigerant leakage 35 36 37 38 39 H6 L0 L1 L2 10 Discharge temp. too high Super heat too low Low pressure too low Sensor broken, low pressure System malfunction Sensor broken(slave TH1 discharge temp.) Sensor broken(slave TH2 inlet coil 1#) Sensor broken(slave TH3 mid coil 1#) Sensor broken(slave TH4 inlet coil 2#) Sensor broken(slave TH5 mid coil 2#) 57 58 59 60 61 30 31 32 33 34 Digital comp overload Fixed comp1 overload Fixed comp2 overload Fixed comp3 overload High pressure too high 62 35 Sensor broken, high pressure 63 36 Discharge temp. too high 64 40 65 41 Low pressure too low 66 42 Sensor broken, low pressure 2 E1 Sensor broken(TH1 discharge temp) 24 F9 3 E2 Sensor broken(TH2 inlet coil 1#) 25 FA 12 EB 13 14 15 16 17 EC EF F0 F1 F2 Sensor broken(TH7 mid coil 3#) Sensor broken(TH8 ambient temp..) Sensor broken(TH9 outlet coil) Sensor broken(TH10 subcool outlet) Sensor broken(TH11 subcool suction) Sensor broken(suction) Emergency run Outdoor storage malfunction Sensor broken(indoor inlet coil) Sensor broken(indoor mid coil) 18 F3 Sensor broken(indoor outlet coil) 40 11 19 F4 Sensor broken(indoor return air ) 41 12 20 F5 Sensor broken(indoor supply air) 42 13 21 F6 Indoor and controller communication malfunction 43 14 22 F7 Ambient temp. exceed the limit 44 15 Description 4wv malfunction Item Code 45 16 Refrigerant leakage 46 17 Controller storage malfunction 47 18 48 19 49 1A 50 1B Water pump(indoor drain pump) Indoor and outdoor communication malfunction Master and slave communication malfunction Super heat too low Indication Light Twinkle Related to Malfunction Code: Type Sensor, outdoor Heat Fan F F Dry F Cool F Sensor, indoor F F F On System failure F F F Off Type Pump, indoor Over load, compressor Pressure sensor, outdoor Heat Fan F F Dry On Cool F Type Pressure high/low Heat Fan F F Dry Off Cool Off F F On On Communication F off F F F F On Off Others F off F On page 41 8 Servicing and Maintenance Warning Before maintenance service, please shut off the power supply and stop indoor andd outdoor units Indoor Unit Maintenance Part Air filter Front panel Drain pan and host Evaporator Electrical part Maintenance checking step Times/month 1. Open the grill 2. Take out the air filter 3. Use brush to clean the air filter with below 40ºC water 1 1. Get rid of the dust and dirt by using cloth and detergent, clean the panel 1 1. To check the drain pan and host are clean or not, if it is dirty, clean it 2. To check there is no barrier for the condensing water flow out 3 1. To clean the dirt of fins 2. To clean any barrier for indoor air flow 1 1. To check the running ampere and voltage is normal or not 2. To check the electrical connection is fixed or loose 12 Outdoor Unit Maintenance Part Outdoor fan Outdoor condenser Compressor Electrical part Maintenance checking step Times/month To check the noise level 1 1. To clean the dirt of fins 2. To remove any barrier which prevent the air flow 1 Compressor running noise and vibrations 1 1. To check the running ampere and voltage is normal or not 2. To check the electrical connection is fixed or loose 3. To check the controller in normal working conditions 1 page 42 REGISTERED S&E ISO 9002 ©2003 McQuay International +1 (800) 432-1342 www.mcquay.com While utmost care is taken in ensuring that all details in the publication are correct at the time of going to press, we are constantly striving for improvement and therefore reserve the right to alter model specifications and equipment without notice. Details of specifications and equipment are also subject to change to suit local conditions and requirements and not all models are available in every market. page 43