Haier AB25S2SC1FA Service Manual Download Page 102

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100

Connection cautions

Model

3U52S2SG1FA
3U68S2SG1FA

4U70S2SH1FA
4U85S2SH1FA

Connection priority between indoor and stop valve
higher from down to up

When there is 1 indoor, the prior stop valve is

When there are 2 indoors, the prior stop valves are

C B

D C

When there are 3 indoors, the prior stop valves are

C B A

D C B

When there are 4 indoors, the prior stop valves are

D C B A

When there are 5 indoors, the prior stop valves are
Note: For better oil return and more reliable system, please execute as the above when connecting indoor unit.

Summary of Contents for AB25S2SC1FA

Page 1: ...SYJS 04 2017 REV A Edition 2017 04 service manual R32...

Page 2: ...ring diagram 55 4 Wiring connection 58 5 Refrigerant diagram 60 6 Limitation values on pipe installation 63 7 Combination and the data 65 8 Sound pressure level 79 9 Outdoor performance curves 83 10 I...

Page 3: ...1 Part 1 General Information 1 Indoor outdoor unit models 2 2 Feature 3...

Page 4: ...models Compact cassette AB25S2SC1FA AB35S2SC1FA Low ESP duct AD25S2SS1FA AD35S2SS1FA Medium ESP duct AD50S2SM1FA AD71S2SM1FA Indoor unit models 1U71S2SG1FA 3U52S2SG1FA 3U68S2SG1FA 4U70S2SH1FA 4U85S2SH...

Page 5: ...ke down the valve cover then to do wiring and piping next is the comparison in taking down the valve cover General stop valve vacuum every indoor unit from one valve only save time for 1 4 outdoor uni...

Page 6: ...make easy start up maintenance handl e handl e handl e handl e Cooling only heating only Central control BMS control Solution Supplier Cooling only heating only function for special requirement Centr...

Page 7: ...5 Part 2 Indoor Units 1 Specification 6 2 Dimension 12 3 Wiring diagram 14 4 Air velocity and temperature distribution 17 5 Installation 21...

Page 8: ...YR HBS01 O or Wired YR E17 O Fresh air hole dimension mm 95 Electricity Heater kW none Noise level H M L Sound power level dB A 52 Sound pressure level dB A 36 33 30 27 weight Net Shipping kg kg 17 2...

Page 9: ...Remote YR HBS01 O or Wired YR E17 O Fresh air hole dimension mm 95 Electricity Heater kW none Noise level H M L Sound power level dB A 52 Sound pressure level dB A 36 33 30 27 weight Net Shipping kg...

Page 10: ...ired YR E17 O or Remote YR HBS01 O Fresh air hole dimension mm none Electricity Heater kW none Noise level H M L Sound power level dB A 51 Sound pressure level dB A 33 30 26 23 weight Net Shipping kg...

Page 11: ...ired YR E17 O or Remote YR HBS01 O Fresh air hole dimension mm none Electricity Heater kW none Noise level H M L Sound power level dB A 53 Sound pressure level dB A 35 32 29 26 weight Net Shipping kg...

Page 12: ...655 250 Package mmxmmxmm 1170 860 340 Drainage pipe material I D O D mm PVC 25 29 control type Remote Wired Wired YR E17 O or Remote YR HBS01 O Fresh air hole dimension mm 145 Electricity Heater kW no...

Page 13: ...exchanger Type Diameter mm inner grooved pipe 7 0 Row 3 Total Area m 7 668 Dimension External L W H mm mm mm 957 655 250 Package L W H mm mm mm 1170 860 340 Drainage pipe material I D O D mm PVC 25 29...

Page 14: ...12 AB25S2SC1FA AB35S2SC1FA AD25S2SC1FA AD35S2SC1FA 420 370 892 850 185 640 90 760 152 2 Dimension unit mm...

Page 15: ...13 957 990 1050 595 5 655 720 250 148 57 57 57 103 797 Note The cushion pasted in the bottom plate isn t included in the thickness data AD50S2SM1FA AD71S2SM1FA...

Page 16: ...1 T5A 250VAC FUSE BM3 2 1 3 B W R Y G OFF OFF OFF ON OFF OFF OFF ON OFF ON ON OFF OFF OFF ON ON OFF ON OFF ON ON ON ON ON 9000 12000 18000 24000 28000 36000 48000 60000 NOTE1 DASHED PART ARE OPTIONAL...

Page 17: ...IVER M B A C B A C OFF 0150523322 2 1 3 N L S B A C SW01 12345678 ON OFF FRESH AIR MOTOR SW01 6 select OFF EXTERNAL ALARM OUTPUT SW01 6 select ON Contact rating_230VAC 3A M CN21 Heater_L CH4 Heater_N...

Page 18: ...302 2 1 3 N L S B A C SW01 12345678 ON OFF FRESH AIR MOTOR SW01 6 select OFF EXTERNAL ALARM OUTPUT SW01 6 select ON Contact rating_230VAC 3A M CN21 Heater_L CH4 Heater_N CH2 CN5 CN4 CN34 CN16 CH1 SW01...

Page 19: ...Blowy angle 40 Air Velocity Distribution 1 5m s 1 5m s 1 0m s 1 0m s 0 5m s 2 7m 2m 2m 2m 1m 1m 1m 4m 3m 3m 4m 0m 0m 0 5m s b Cooling Temperature Distribution Cooling Blowy angle 40 Temperature Distri...

Page 20: ...m 1m 1m 4m 3m 3m 4m 0m 0 5m s c Heating Air Velocity Distribution Heating Blowy angle 70 Air velocity Distribution d Heating Temperature Distribution Heating Blowy angle 70 Temperature Distribution 22...

Page 21: ...Pa 20Pa 10Pa 0 Pa air flow m 3 static pressure Pa H M L 500 600 700 h AIR FLOW AND STATIC PRESSURE CHART 30Pa 20Pa 10Pa 0 Pa static pressure Pa 100 200 300 400 500 600 air flow m3 h H M L 0 100 30Pa 2...

Page 22: ...25Pa air flow m3 h static pressure Pa AIR FLOW AND STATIC PRESSURE CHART S H H M L S AD50S2SM1FA AD71S2SM1FA 600 700 800 900 1000 1100 1200 1300 1400 1500 150Pa 130Pa 120Pa 110Pa 100Pa 90Pa 70Pa 50Pa...

Page 23: ...21 5 Installation For AB25S2SC1FA AB35S2SC1FA 1 Installation procedure...

Page 24: ...22 AB25S2SC1FA AB35S2SC1FA AB25S2SC1FA AB35S2SC1FA...

Page 25: ...23...

Page 26: ...24...

Page 27: ...25 AB25S2SC1FA AB35S2SC1FA...

Page 28: ...26...

Page 29: ...27 For AD25S2SC1FA AD35S2SC1FA Installation procedure AD25S2SS1FA AD35S2SS1FA...

Page 30: ...28 AD25S2SS1FA AD35S2SS1FA AD25S2SS1FA AD35S2SS1FA...

Page 31: ...29...

Page 32: ...30 AD25S2SS1FA AD35S2SS1FA...

Page 33: ...31...

Page 34: ...32 The specification of power cable is HO5RN F3G 4 0mm The specification of cable between indoor unit to outdoor unit is HO5RN F4G 2 5mm2 2...

Page 35: ...should be no less than 3mm 8 The indoor unit installation height is at least 2 5m 9 A leakage breaker must be installed 10 For AD50S2SM1FA AD71S2SM1FA we can get the 10 different ESP through adjust wi...

Page 36: ...CTIONS COULD CAUSE SERIOUS INJURY OR DEATH EQUIPMENT MALFUNCTION AND OR PROPERTY DAMAGE Preparation of indoor unit Before or during the installation of the unit assemble necessary optional panel etc d...

Page 37: ...35 AD50S2SM1FA AD71S2SM1FA Dimensions A mm B mm C mm Model D mm E mm F mm 983 1433 1493 595 740 800 AD50S2SM1FA AD71S2SM1FA...

Page 38: ...36 21mm AD50S2SM1FA AD71S2SM1FA Unit model The size of drain opening...

Page 39: ...37...

Page 40: ...5RN F3G 4 0mm The specification of cable between indoor unit to outdoor unit is HO5RN F4G 2 5mm2 2 POWER SUPPLY INDOOR OUTDOOR CONNECTION Make wiring to supply power to the outdoor unit so that the po...

Page 41: ...detection equipment should be suitable for use with all applicable refrigerants i e non sparking adequately sealed or intrinsically safe Presence of fire extinguisher If any hot work is to be conducte...

Page 42: ...components only with parts specified by the manufacturer Other parts may result in the ignition of refrigerant in the atmosphere from a leak Cabling Check that cabling will not be subject to wear cor...

Page 43: ...s ensure that only appropriate refrigerant recovery cylinders are employed Ensure that the correct number of cylinders for holding the total system charge are available All cylinders to be used are de...

Page 44: ...Wiring diagram 55 4 Wiring connection 58 5 Refrigerant diagram 60 6 Limitation values on pipe installation 63 7 Combination and the data 65 8 Sound pressure level 79 9 Outdoor performance curves 83 1...

Page 45: ...8 200mmCapillary Defrosting AUTO Volume of Accumulator L NONE Sound power Noise level H M L dB A 70 Sound pressure Noise level H M L dB A 57 Type of Four way valve SHF 4 10A material of reduce noise f...

Page 46: ...Power facor under rating power input 99 99 Starting current A 4 Fuse size recommended size A 25 Outdoor unit Compressor Model Manufacture SVB172FNPMC MELCOM Oil charge and type 600CC FW68S Type Twin R...

Page 47: ...C 15 24 Tdisignh 10 C Tbivalent 7 C TOL 15 C Pto 30W Psb 10W Pck 0W Poff 0W Cooling A Cap EER 5199W 4 17 Heating A Cap COP 4796W 2 77 Tol Cap COP 4900W 2 75 B Cap EER 4246W 6 42 B Cap COP 3359W 3 91 T...

Page 48: ...Power facor under rating power input 99 99 Starting current A 4 Fuse size recommended size A 25 Outdoor unit Compressor Model Manufacture SVB172FNPMC MELCOM Oil charge and type 600CC FW68S Type Twin R...

Page 49: ...C 15 24 Tdisignh 10 C Tbivalent 7 C TOL 15 C Pto 30W Psb 10W Pck 0W Poff 0W Cooling A Cap EER 6963W 3 22 Heating A Cap COP 5087W 2 78 Tol Cap COP 5106W 2 75 B Cap EER 4923W 5 98 B Cap COP 3370W 3 84 T...

Page 50: ...wer facor under rating power input 99 99 Starting current A 5 Fuse size recommended size A 25 Outdoor unit Compressor Model Manufacture TVB220FAEMC L MELCOM Oil charge and type 870CC FW68S Type Twin R...

Page 51: ...5 24 Tdisignh 10 C Tbivalent 7 C TOL 15 C Pto 60W Psb 12W Pck 0W Poff 0W Cooling A Cap EER 7071W 4 11 Heating A Cap COP 4963W 2 75 Tol Cap COP 5260W 2 39 B Cap EER 5663W 6 23 B Cap COP 3545W 4 02 Tb C...

Page 52: ...Power facor under rating power input 99 99 Starting current A 5 Fuse size recommended size A 25 Outdoor unit Compressor Model Manufacture TVB220FAEMC L MELCOM Oil charge and type 870CC FW68S Type Twin...

Page 53: ...5 24 Tdisignh 10 C Tbivalent 7 C TOL 15 C Pto 60W Psb 12W Pck 0W Poff 0W Cooling A Cap EER 8360W 3 54 Heating A Cap COP 6535W 2 81 Tol Cap COP 5973W 2 32 B Cap EER 5806W 5 98 B Cap COP 4030W 4 10 Tb C...

Page 54: ...52 2 Dimension 1U71S2SM1FA 860 633 unit mm...

Page 55: ...uid pipe 2 way valve 6 35mm Gas pipe 3 way valve 9 52mm B valve Liquid pipe 2 way valve 6 35mm Gas pipe 3 way valve 9 52mm C valve Liquid pipe 2 way valve 6 35mm Gas pipe 3 way valve 9 52mm 3U52S2SG1F...

Page 56: ...7 flared 1 2 D unit D unit connection C unit connection B unit connection A unit connection Handle 311 408 28 163 45 315 840 948 Indoor and outdoor connect wiring hole 537 30 48 Handle Handle Air out...

Page 57: ...CN28 N L CN11 4 WAY VALVE G G B CAP CN15 VALVE A LECTRIC XPANSION M VALVE MOTOR NOTES THE DOTTED PARTS ARE OPTIONAL CAP CAP COMPRESSOR DON T TOUCH CAPACITOR EVEN AF TER PLUG OFF DANGER OF ELECTRI C SH...

Page 58: ...emp Sensor for Indoor Units a b c Gas Pipe Tc2 a b c Condensing Temp Sensor for Indoor Units a b c Liquid Pipe The dashed part is optional B W W W B B R Definition of SW5 1 2 3 4 5 6 7 8 Restrict of M...

Page 59: ...ing Rated Operating Y G To Indoor Units D 2 1 3 Y G To Indoor Units C 2 1 3 Y G To Indoor Units B 2 1 3 Y G OR Orange B Black BL Blue BR Brown Y G Yellow Green R Red W White Toci Outdoor Condensing in...

Page 60: ...A B C Power Supply Cable H05RN F3G 4 0mm Connecting Cable H05RN F4G 2 5mm Connecting Cable H05RN F2G 2 5mm 3U52S2SG1FA 3U68S2SG1FA Connect the connecting wires between indoor and outdoor units and en...

Page 61: ...ble H05RN F3G 4 0mm Connecting Cable H05RN F4G 2 5mm Connecting Cable H05RN F2G 2 5mm 4U70S2SH1FA 4U85S2SH1FA Connect the connecting wires between indoor and outdoor units and ensure the sequence numb...

Page 62: ...i u q i l p o t s y a w 3 e v l a v e d i s s a g r e s n e d n o c r o t a r o p a v e l i o c e p i p r o s n e s p m e t g n i t a e h g n i l o o c e g r a h c s i d r o s n e s p m e t r e n i a...

Page 63: ...u q i l B t i n U B t i n u r o o d n I EEV C r e n i a r t S r o s n e s p m e t e p i p d i u q i l C t i n U C t i n u r o o d n I e p i p s a g A t i n U r o s n e s p m e t e p i p s a g B t i n...

Page 64: ...uid pipe temp sensor Indoor unit A Strainer Unit B liquid pipe temp sensor Indoor unit B Strainer Unit C liquid pipe temp sensor Indoor unit C Strainer Unit D liquid pipe temp sensor Indoor unit D Uni...

Page 65: ...een every two indoor units when the location of the outdoor unit is among indoor units 1 15 m Drop between every two indoor units when the location of the outdoor unit is at one side of indoor units 1...

Page 66: ...ngth between IU and OU of the way 10 25 L4 one way Max piping length between IU and OU of the way 10 25 L1 L2 L3 L4 m Total liquid piping length 40 70 h m Drop between every two indoor units when the...

Page 67: ...7 1 50 5 20 7 00 0 55 1 42 3 40 2 44 6 30 15 08 3 66 A 6 80 A 2 5 5 0 1 73 3 47 1 50 5 20 7 00 0 55 1 42 3 40 2 44 6 30 15 08 3 66 A 6 80 A 3 5 3 5 2 60 2 60 1 50 5 20 7 00 0 55 1 43 3 40 2 44 6 34 15...

Page 68: ...5 4 2 2 60 3 90 1 80 6 50 8 10 0 55 1 66 3 40 2 44 7 36 15 08 3 92 A 3 95 A 2 5 5 0 2 44 4 06 1 80 6 50 8 10 0 55 1 66 3 40 2 44 7 36 15 08 3 92 A 3 95 A 3 5 3 5 3 25 3 25 1 80 6 50 8 10 0 55 1 66 3 4...

Page 69: ...22 8 87 13 3 3 45 A 6 70 A 3 5 3 5 3 45 3 45 1 00 6 90 8 20 0 50 2 09 3 20 2 22 9 28 14 2 3 30 A 6 20 A 3 5 4 2 3 11 3 80 1 50 6 90 8 20 0 50 1 98 3 20 2 22 8 78 14 2 3 48 A 6 80 A 3 5 5 0 2 82 4 08 1...

Page 70: ...0 7 70 9 00 0 50 1 93 3 20 2 22 8 54 14 20 4 00 A 3 80 A 3 5 4 2 3 50 4 20 1 80 7 70 9 00 0 50 2 02 3 20 2 22 8 96 14 20 3 81 A 4 00 A 3 5 5 0 3 30 4 40 1 80 7 70 9 00 0 50 2 00 3 20 2 22 8 87 14 20 3...

Page 71: ...18 15 53 3 37 A 6 50 A 2 0 5 0 1 97 5 13 1 00 7 10 9 00 0 50 2 09 3 50 2 15 10 10 15 53 3 40 A 6 50 A 2 0 7 1 1 67 5 43 1 00 7 10 9 00 0 55 2 08 3 50 2 50 10 05 15 53 3 41 A 6 50 A 2 5 2 5 2 60 2 60 1...

Page 72: ...2 50 8 94 19 08 3 84 A 7 10 A 2 5 2 5 4 2 1 92 1 92 3 25 1 20 7 10 9 00 0 55 1 85 4 30 2 50 8 94 19 08 3 84 A 7 10 A 2 5 2 5 5 0 1 78 1 78 3 55 1 20 7 10 9 00 0 55 1 85 4 30 2 50 8 94 19 08 3 84 A 7...

Page 73: ...20 8 30 9 50 0 50 2 20 3 30 2 15 9 76 14 64 3 77 A 3 80 A 2 0 7 1 2 08 6 32 1 20 8 40 9 50 0 55 2 25 3 30 2 50 9 98 14 64 3 73 A 3 85 A 2 5 2 5 3 60 3 60 1 20 7 20 9 50 0 55 1 95 3 30 2 50 8 65 14 64...

Page 74: ...0 2 50 9 09 15 53 4 10 A 4 05 A 2 5 2 5 4 2 2 40 2 40 3 60 1 50 8 40 9 50 0 55 2 05 3 50 2 50 9 09 15 53 4 10 A 4 05 A 2 5 2 5 5 0 2 29 2 29 3 82 1 50 8 40 9 50 0 55 2 05 3 50 2 50 9 09 15 53 4 10 A 4...

Page 75: ...00 7 20 9 80 0 55 2 05 3 50 2 44 9 09 15 53 3 51 A 6 20 A 2 0 7 1 1 98 6 42 1 00 8 40 9 80 0 55 2 35 3 50 2 44 10 43 15 53 3 57 A 6 20 A 2 5 2 5 2 60 2 60 1 00 5 20 7 80 0 55 1 50 3 50 2 44 6 65 15 5...

Page 76: ...0 4 2 5 0 1 45 3 19 3 77 1 50 8 40 9 80 0 55 2 35 4 30 2 44 10 43 19 08 3 57 A 6 70 A 2 0 4 2 7 1 1 30 2 87 4 23 1 50 8 40 9 80 0 55 2 35 4 30 2 44 10 43 19 08 3 57 A 6 70 A 2 5 2 5 2 5 2 60 2 60 2 60...

Page 77: ...2 23 2 23 2 23 1 50 8 40 9 80 0 55 2 24 4 30 2 44 9 94 19 08 3 75 A 7 00 A 2 0 2 5 2 5 3 5 1 56 2 02 2 02 2 80 1 50 8 40 9 80 0 55 2 24 4 30 2 44 9 94 19 08 3 75 A 7 00 A 2 0 2 5 2 5 4 2 1 45 1 88 1...

Page 78: ...10 50 0 50 2 22 3 30 2 22 9 85 14 64 3 74 A 3 80 A 2 0 7 1 2 30 7 00 1 20 9 30 10 50 0 50 2 50 3 30 2 22 11 09 14 64 3 72 A 3 85 A 2 5 2 5 3 60 3 60 1 20 7 20 10 50 0 50 1 94 3 30 2 22 8 61 14 64 3 71...

Page 79: ...4 2 5 0 1 59 3 74 4 16 1 50 9 50 10 50 0 55 2 43 3 50 2 44 10 78 15 53 3 91 A 3 95 A 2 0 4 2 7 1 1 49 3 49 4 52 1 50 9 50 10 50 0 55 2 43 3 50 2 44 10 78 15 53 3 91 A 3 95 A 2 5 2 5 2 5 3 17 3 17 3 17...

Page 80: ...2 61 2 61 2 61 1 80 9 50 10 50 0 55 2 28 3 50 2 44 10 12 15 53 4 17 A 4 20 A 2 0 2 5 2 5 3 5 1 56 2 44 2 44 3 05 1 80 9 50 10 50 0 55 2 28 3 50 2 44 10 12 15 53 4 17 A 4 20 A 2 0 2 5 2 5 4 2 1 47 2 30...

Page 81: ...46 26 53 32 Outdoor DB Capacity KW 18 12 20 14 5 22 16 25 18 27 19 30 22 32 23 5 00 5 50 6 00 6 50 7 00 7 50 8 00 8 50 7 8 5 6 2 1 5 7 6 11 9 16 12 19 15 24 18 Ourdoor DB Capacity KW 16 10 18 12 20 14...

Page 82: ...0 35 40 43 cooling capacity W outdoor temperatureDB 16 22 14 20 15 20 25 30 35 40 43 outdoor temperatureDB 25000 30000 35000 40000 indoor temperature DB 0 5000 10000 15000 20000 25000 30000 heating ca...

Page 83: ...40 43 Outdoor temperature DB Cooling capacity W 14 20 16 22 19 27 22 30 Indoor temperature W B D B 4U70S2SH1FA heating capacity in relation to temperature 4000 5000 6000 7000 8000 9000 10000 15 12 5 1...

Page 84: ...43 Outdoor temperature DB Cooling capacity W 14 20 16 22 19 27 22 30 Indoor temperature WB DB 4U85S2SH1FA heating capacity in relation to temperature 5000 6000 7000 8000 9000 10000 11000 12000 15 12...

Page 85: ...83 9 Sound pressure level 1U71S2SG1FA 0 10 20 30 40 50 60 70 80 Sound pressure level dB A third octave band frequency Hz Sound pressure level 1U71S2SG1FA Cooling High Heating High...

Page 86: ...25 31 5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000 10000 12500 16000 20000 Sound pressure level dB A Third octave band frequency Hz Sound pr...

Page 87: ...1 5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000 10000 12500 16000 20000 Sound pressure level dB A Third octave band frequency Hz Sound pressur...

Page 88: ...80 100 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000 10000 12500 16000 20000 Sound pressure level dB A Third octave band frequency Hz Sound pressure level 4U70...

Page 89: ...87 4U85S2SH1FA 0 10 20 30 40 50 60 Sound pressure level dB A Third octave band frequency Hz Sound pressure level 4U85S2SH1FA Cooling High Heating High...

Page 90: ...ke and strong wind If vibration may affect the house x the unit by attaching a vibration proof mat The marks from to in the gure are the parts numbers The distance between the indoor unit and the oor...

Page 91: ...89 R32 R32 R32 R32 R32 R32 R32 R32 R32 10 2 Read before installation...

Page 92: ...90 3 R32 R32 R32 R32 R32 R32 R32...

Page 93: ...91 R32 R32 R32 R32 R32 R32 R32 R32 10A HFC 410A...

Page 94: ...92 NO Wind direction Air outlet Model W D H L1 L2 L3 1U71S2SG1FA 860 308 730 633 113 5 285 Cushion rubber 4 Installation dimension Unit mm 10 3 Installation of outdoor unit...

Page 95: ...o be lengthened the refrigerant should be charged according to E g m But the charge of refrigerant must be conducted by professional air conditioner engineer Before adding additional refrigerant perfo...

Page 96: ...94 10 5 Air tightness test...

Page 97: ...95 R32 R32 10 6 Vacuuming...

Page 98: ...osion proof breaker of the air conditioner should be all pole switch The distance between its two contacts should not be no A explosion proof breaker must be installed 1U71S2SG1FA 1U71S2SG1FA 1U71S2SG...

Page 99: ...ust be sufficient space for carrying the unit into and out of the site 5 There must be sufficient space for air passage and no obstructions around the air inlet and the air outlet 6 The site must be f...

Page 100: ...ng the outdoor unit where corrosive gases such as sulfur oxides ammonia and sulfurous gas are produced If unavoidable consult with an installation specialist about using a corrosion proof or anti rust...

Page 101: ...it later Make sure no dirt or moisture gets into either side of the embedded branch piping If there is the danger of the unit falling or overturning fix the unit with foundation bolts or with wire or...

Page 102: ...or the prior stop valve is C D When there are 2 indoors the prior stop valves are C B D C When there are 3 indoors the prior stop valves are C B A D C B When there are 4 indoors the prior stop valves...

Page 103: ...ly by means of the foundation bolts Prepare four sets of M8 or M10 foundation bolts nuts and washers each which are available on the market It is best to screw in the foundation bolts until their leng...

Page 104: ...0 mm from the foundation surface 6 2 Selecting a location for installation of the indoor units The maxinum allowable length of refrigerant piping and the maximum allowable height difference between th...

Page 105: ...e 7 3 Refrigerant piping work 1 Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand Then tighten them fully with the torque wrenches Use torque wrenches when tightening th...

Page 106: ...close its high pressure valve Hi High pressure valve subsequently requires no operation Apply vacuum pumping Check that the compound pressure gauge reads 0 1MPa 76cmHg Evacuation for at lease 1 hour i...

Page 107: ...en end of the pipe against dust and moisture 2 All pipe bends should be as gentle as possible Use a pipe bender for bending Bending radius should be 30 to 40mm or larger Selection of copper and heat i...

Page 108: ...inage Please install the drain hose so as to be downward slope without fail Please don t do the drainage as shown below Please pour water in the drain pan of the indoor unit and confirm that drainage...

Page 109: ...orrect The explosion proof electric leakage breaker must be installed All the electric wire must be copper wire Power supply 1PH 220 240V 50 60Hz The wiring method of power line is Y connection If the...

Page 110: ...or the unit can not operate 9 3 Wiring method of outdoor unit Power cord Remove the Valve cover of the outdoor unit and loosen the wire cover A then put the live wire neutral wire and grounding wire t...

Page 111: ...ower line to the connecting end of communication wire Incorrect connection will cause damage to the connected unit The wiring should ensure that the ground line is the last one to be broken off by for...

Page 112: ...s correct the digital number will show 0 if there has wrong wiring the digital number will show EC error connection and also it will flashing The service monitor LEDs indicate the error of wiring as s...

Page 113: ...g indoor unit has good communication with outdoor unit If one LED is not lighting that means there is no communication between indoor and outdoor Notes 1 When using this product you need not to set th...

Page 114: ...PCB photo dip switch setting and function 113 2 Outdoor unit PCB photo dip switch setting and function 120 3 Diagnostic code 137 4 Trouble shooting 141 5 Controller function 159 Part 4 Electric Contr...

Page 115: ...113 1 Indoor unit PCB photo dip switch setting and function 1 1 Indoor unit PCB PCB 0151800244A AB25S2SC1FA AB35S2SC1FA PCB 0151800267 AD25S2SC1FA AD35S2SC1FA AD50S2SM1FA AD71S2SM1FA...

Page 116: ...put OFF Without filter clean remind default ON With filter clean remind OFF Reserved PCB 0151800244A dip switch setting BM3 BM3 1 BM3 2 BM3 3 BM3 4 Description OFF OFF OFF OFF Reserved BM3 5 BM3 6 BM3...

Page 117: ...ith filter clean remind OFF Esp duct USA ON EU Australia PCB 0151800267 dip switch setting BM3 BM3 1 BM3 2 BM3 3 Description OFF OFF OFF Reserved BM3 4 Description OFF Slim duct ON Medium esp duct BM3...

Page 118: ...s cooling sleep in cooling mode and as heating sleep in heating mode Once sleep mode is set the mode will not change after the unit stops for 15 minutes when it arrives Tset E Mode conversion will be...

Page 119: ...oor fan motor stops running C Defrosting is over and indoor motor will run as anti cold air state 1 3 9 Blowing remaining heat operation When the unit shuts off in heating mode or the thermostat is OF...

Page 120: ...normal mode with the set temp 24o C 1 3 14 Timer operation A Wired control type wired controller will control the unit ON OFF B Remote control type indoor unit will confirm the unit ON or OFF accordin...

Page 121: ...heating mode press SLEEP or SWING button 7 times continuously within 5 seconds indoor buzzer sounds twice that shows temp compensation works Switch on the unit in heating mode by the remote controller...

Page 122: ...RA 0011800377C 3U52S2SG1FA 0151800075B 0150400643C 0150400699A 3U68S2SG1FA 0151800075B 0150400643C 0150400699A 4U70S2SH1FA 0151800075B 0150401756B 0150400699A 4U85S2SH1FA 0151800075B 0150401756B 01504...

Page 123: ...121 PCB 0011800410RA 1U71S2SG1FA Power module 0011800377C 1U71S2SG1FA...

Page 124: ...122 PCB 0151800075B 3U52S2SG1FA 3U68S2SG1FA 4U70S2SH1FA 4U85S2SH1FA Power module 0150400643C 3U52S2SG1FA 3U68S2SG1FA Power module 0150401756B 4U70S2SH1FA 4U85S2SH1FA...

Page 125: ...board 0150400699A 3U52S2SG1FA 3U68S2SG1FA 4U70S2SH1FA 4U85S2SH1FA Service Board 0151800076A 3U52S2SG1FA 3U68S2SG1FA 4U70S2SH1FA 4U85S2SH1FA Capacitance 0010404106 3U52S2SG1FA 3U68S2SG1FA 4U70S2SH1FA 4...

Page 126: ...OFF ON OFF OFF Compulsory cooling 60Hz outdoor motor 7 class standard open angle 200 the others are normal OFF OFF ON OFF Rated operation OFF OFF OFF ON Time defrost valid ON ON ON ON Detection for w...

Page 127: ...80 E D Standard open angle control Unitary In Cool Dry mode standard open angle outdoor ambient temp 22o C 260pulse E Outdoor ambient temp 22o C 210pulse E In heat mode standard open angle outdoor amb...

Page 128: ...mp is below 15degree and keeps for 1 minute the unit will stop and occur the 4 way valve protection compressor ON OFF 4 way valve ON OFF 15 S E 2 minutes and 55s 2 3 4 Electric heater control If compr...

Page 129: ...ng entering condition 15o C C TA 2o C c Stop and Pause condition of compressor running accumulative time in heating mode Checking Stop running operation changes from heating to cooling Checking Pause...

Page 130: ...ssor 30s Indicated FQY Defrosting FQY 85 Hz E Soft startup 50HZ 32HZ 10s Outdoor fan motor ON Send signal to indoor unit Auto OFF 4 way valve ON OFF ON Unload valve SV1 OFF Auto 250pulse E PMV auto op...

Page 131: ...FQY 80 Hz E 60s Soft startup Compressor 0HZ 0HZ 5s Outdoor motor ON Send defrosting signal to indoor Auto OFF 4 way valve ON OFF 15s 450 pulse 450 pulse 350 pulse E All EEVs Auto open angle Auto open...

Page 132: ...e FQY slowly 1HZ 10S 118 115 112 109 105 95 Unitary Multi Discharging temp TD Reduce FQY rapidly 2HZ S Reduce FQY rapidly 1HZ S Reduce FQY slowly 1HZ 10S Remain FQY Increase FQY slowly 1HZ 10S 120 115...

Page 133: ...e is no protection When the input signal of pressure switch is low level 0 for 1 minute that shows high pressure protection works At this time compressor stops outdoor will send the alarm signal The a...

Page 134: ...In addition the system will control low pressure through the evaporator temp TE to realize the low pressure protection function In cooling confirm through Tc2AVE In heating confirm through defrosting...

Page 135: ...t the time will not be cleared the system need another oil return operation In the refrigerant flow course in oil return of cooling mode or after oil return and within 5 minutes after the refrigerant...

Page 136: ...minutes later begin to count T s Tc 15 for 30 S 5 minutes later begin to count Running for min 5 minutes E Send oil return signal oil return beginning oil return over Inverter compressor indicated FQY...

Page 137: ...rosting the time will be cleared E Procedure Cooling mode refer to the oil return procedure in cooling mode Heating mode refer to the oil return procedure in heating mode F The protection treatment in...

Page 138: ...Tc 20 for 30s continuously 5 minutes later begin to count Ts Tc2AVE 15 for 30s continuously 5 minutes later begin to count Running for min 5 minutes E Send oil return signal oil return begins oil retu...

Page 139: ...1FA 2 9 15 8 12 10 5 13 19 1 18 4 6 25 25 25 17 16 110 15 check if there is leakage in the unit 11 Suction temperature sensor failure Suction temperature sensor short circuit or open circuit or the co...

Page 140: ...ding Refrigerant 1 This system must use refrigerant R32 2 Add refrigerant 20g meter in outdoor units when the total piping length exceeds the standard value but make sure that the total liquid piping...

Page 141: ...CB faulty Malfunction of drain system Zero cross sigal wrong Zero cross sigal detected wrong DC Fan motor disconnected or DC Fan broken or circuit broken Note 1 The outdoor failure can also be indicat...

Page 142: ...DC Fan motor disconnected or DC Fan broken or circuit broken or motor blocked Sensor disconected or brok en or at wrong position or short circuit Pump motor disconnected or at wrong position or the fl...

Page 143: ...r short circuit Correct the wiring due to diagram Check if wire of electric box is correct and if compressor wire is fixed well If compressor is normal compressor coil resistor insulation If power mod...

Page 144: ...ace PCB Replace power module N N Y Y Solve the failures due to relative information Y N 5 Module operated overload Improve power supply circuit Check if voltage of power supply is normal Check if wiri...

Page 145: ...ply is normal Check if wiring of electric box is correct In operation check power module voltage between terminal P N more than 390V or less than 160V Correct the wiring due to diagram Replace power m...

Page 146: ...er Check if the system is clogged Check if the PMV coil is ok Check if stop valve is open Replace pressure switch Check the piping system Charge refrigerant Check the piping system Reconnet Y N Y Y N...

Page 147: ...ductive to CN11 of PCB Check if motor is running Power off and rotate fan motor by hand to check if there is obviously friction Test the terminial voltage if black and red is 280 350V and black and wh...

Page 148: ...sensor is normal Check if resistance characteristic of the sensor is normal Check if the temperature loop acquired by the PCBis normal Replace it correctly by after sales personnel on site Replace it...

Page 149: ...stem meets condition of 4 way valve reversing Pd Ps 0 6Mpa Measure if CN5 voltage on PCB is 208 230VAC after 4 way valve reversing conditon is met If there is air noise after 4 way valve reverses and...

Page 150: ...supply is normal Check if wire between power module and compressor are correct If power module is normal Correct the wiring due to diagram Replace power module Y Y Y N N N If compressor is normal comp...

Page 151: ...cteristic is proper If indoor air passage is patency If system is lack of refrigerant Replace sensor Modify air passage N N Y Y N N Charge refrigerant Y If stop valve is open N Check the system piping...

Page 152: ...istic is proper If indoor air passage is patency If system is lack of refrigerant Replace sensor Modify air passage N N Y Y N N Charge refrigerant Y If stop valve is open N Check the system piping N I...

Page 153: ...Improve power supply circuit Check if voltage of power supply is normal Check if wire between power module and compressor are correct If power module is normal Correct the wiring due to diagram Repla...

Page 154: ...er module is normal Repalce compressor Replace power module Y Y Y N N N Solve the failures due to relative information 26 MCU reset Correct the wiring due to diagram Check if wire of electric box is c...

Page 155: ...153 27 Module current detect circuit failure Correct the wire due to diagram Check if wire between IPM and compressor is correct Y N Replace power module...

Page 156: ...inal is conductive by multimeter Check if the system is clogged Check if the PMV coil is ok If the system is lack of refrigerant Check if stop valve is open Replace pressure switch Check the piping sy...

Page 157: ...k if power wiring is in open circuit Yes Yes Yes Check if fuse is burnt PCB is faulty replace Display panel circuit is damaged replace it Replace power wiring and check again Replace the fuse and chec...

Page 158: ...the unit press SLEEP for about 15 seconds until the buzzer sounds 5 times on the display panel there will be digit which is indoor number By this method you can check if there is repeated unit number...

Page 159: ...per the wiring diagram 70 possibility 2 Short circuit in power board results in the power module damaged 15 possibility 3 Damaged compressor results in this failure 10 possibility 4 Main control board...

Page 160: ...and check again Yes Yes Yes Replace pressure switch connector shut off and be electrified again re check Replace pressure switch connector shut off and be electrified again re check Check if the indo...

Page 161: ...S01 remote controller Loading of the battery 1 Remove the battery cover 2 Load the batteries as illustrated 2 R 03 batteries resetting key cylinder Be sure that the loading is in line with the 3 Load...

Page 162: ...g press the button the temperature changes rapidly 8 Four side Embedment Available for some models 1 Initial position of all modes for power on SMART HEAT COOL DRY FAN Four side Embedment Show all Sho...

Page 163: ...mode is chosen and is displayed on LCD display pressing HEATER button can cancel and set HEATER function 2 Auto mode will not start HEATER function automatically but can set or cancel HEATER function...

Page 164: ...d If there is no Central Lock set the temp will be at 18 C 64 F in cooling and 22 C 72 F in heating The Up Down key will not display in normal state but will display and valid in timer setting functio...

Page 165: ...art of models When it s time for cleaning this icon will involve in circulation reserved function ventilation function Only when Up Down swing is valid Only when Left Right swing is valid 3 Press to f...

Page 166: ...hich will be shown after the top right colon 88 statically Press Up Down key to adjust screen saving time and press key to 2 Screen saving time should be 0s backlight always on 15s 30s 60s default val...

Page 167: ...appear Timer Function the hour or minute position is press to adjust the timer Keep pressing to accelerate the adjusting speed then to the setting The controller will judge the order of timer on and o...

Page 168: ...pressing SET key will exit the swing function In the adjustment process if there is no key pressed for 10s swing function will be exited and swing angle will execute the adjusted angle In the adjustme...

Page 169: ...ler Heat reclaim ventilation function is kept once the unit is switched on again 3 After you set heat reclaim ventilation function change mode of wired controller heat reclaim ventilation function is...

Page 170: ...nt the SET character for 3s then the room temp and ROOM character displays Press the mode key to change the mode directly and at the same time exit the 10 C heating function press the Fan key or Time...

Page 171: ...6 The mode of indoor units can be inquired changed by the advanced setting function after the wired controller is powered on Only valid for part of models 7 Set as follows Only valid for part of model...

Page 172: ...value decimal sys E Indoor unit address Actual value hexadecimal sys F Indoor unit central address Actual value hexadecimal sys 2 In parameter inquiry state press key to change the unit No address in...

Page 173: ...ndoor unit statically display all keys are invalid 4 In central or lock state screen saving is valid press any key to wake up screen 5 In central or lock state malfunction inquiry indoor unit paramete...

Page 174: ...clock display area shows the Unit No The last two 88 in the clock display area show the function code and the timing display area shows the detailed information of the current function Timer key is t...

Page 175: ...nd the SET key to 30 The value of Relative humility is 30 31 The value of Relative humility is 31 90 The value of Relative humility is 90 7 Manual Defrosting Only valid for part of models After enteri...

Page 176: ...x3 core shielded wire 16AWG 3wire 400m 1312ft and 500m 1640ft 2mm2 x3 core shielded wire 14AWG 3wire 1 First put communication wire through the hole in the back cover Wired Controller Wiring Instructi...

Page 177: ...010401922 R25 10K 3 B25 50 3700K 3 1U71S2SG1FA Defrost temperature sensor 0010401830A R25 10K 3 B25 50 3700K 9 Outdoor ambient temperature sensor 0010401830A R25 10K 3 B25 50 3700K 9 Discharge tempera...

Page 178: ...1 4 66 70 41 11 24 78 2 76 115 0 88 5 63 18 42 10 78 79 2 66 116 0 86 6 59 86 43 10 33 80 2 58 117 0 84 7 56 74 44 9 91 81 2 49 118 0 81 8 53 80 45 9 51 82 2 41 119 0 79 9 51 03 46 9 12 83 2 33 120 0...

Page 179: ...19 48 4 11 2 34 41 49 3 97 1 32 73 50 3 83 0 31 14 51 3 7 1 29 64 52 3 57 2 28 22 53 3 45 3 26 4 54 3 33 4 25 61 55 3 22 5 24 41 56 3 11 6 23 27 57 3 11 7 22 2 58 2 9 8 21 18 59 2 81 9 20 21 60 2 72 1...

Page 180: ...32 366 14 4225 33 349 3 13 3978 34 333 5 12 3747 35 318 4 11 3531 36 304 1 10 3328 37 290 5 9 3138 38 277 6 8 2960 39 265 3 7 2793 40 253 6 6 2636 41 242 5 5 2489 42 232 4 2351 43 221 9 3 2221 44 212...

Page 181: ...41 24 58 78 6 09 115 1 97 5 136 46 42 23 57 79 5 89 116 1 91 6 129 34 43 22 61 80 5 69 117 1 86 7 122 64 44 21 69 81 5 51 118 1 81 8 116 33 45 20 81 82 5 33 119 1 76 9 110 39 46 19 98 83 5 16 120 1 7...

Page 182: ...Haier Commercial Air Condition Web Http www haier com Haier reserves the right to make change without any notice...

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