background image

MULTI-SPLIT  TYPE  AIR  CONDITONER 

SERVICE  MANUAL    

V:4.0

INDOOR  UNIT:

AMS-07UR4SNVG4

VT

VL

VQ

UP

UL

UQ

NS

ZC

ZA

4

AMS-09UR4SNVG4

VT

VL

VQ

UP

UL

UQ

NS

ZC

ZA

4

AMS-12UR4SNVG4

VT

VL

VQ

UP

UL

UQ

NS

ZC

ZA

4

AMS-18UR4SVUP3

VG3

VL3

VT3

UP3

UL3

UQ3

 

AMD-09UX4SJD 

AMD-12UX4SJD 

AMD-18UX4SJD 

AMC-12UX4SAA 

AMC-18UX4SAA 

OUTDOOR UNIT:

AMW2-16U4SGC1 

AMW2-20U4SNC1 

AMW3-20U4SZD 

AMW3-24U4SZD 

AMW3-24U4SKC 

AMW4-28U4SKC 

AMW4-36U4SAC 

Hisense Corporation               

Summary of Contents for SRH-PM18DC

Page 1: ... 09UR4SNVG4 VT VL VQ UP UL UQ NS ZC ZA 4 AMS 12UR4SNVG4 VT VL VQ UP UL UQ NS ZC ZA 4 AMS 18UR4SVUP3 VG3 VL3 VT3 UP3 UL3 UQ3 AMD 09UX4SJD AMD 12UX4SJD AMD 18UX4SJD AMC 12UX4SAA AMC 18UX4SAA OUTDOOR UNIT AMW2 16U4SGC1 AMW2 20U4SNC1 AMW3 20U4SZD AMW3 24U4SZD AMW3 24U4SKC AMW4 28U4SKC AMW4 36U4SAC Hisense Corporation ...

Page 2: ...DIAGRAM 17 4 1 Refrigerant flow diagram 17 4 2 Evacuation procedures 20 4 3 Evacuation direction 21 5 ELECTRICAL DATA 22 5 1 Electric wiring diagrams 22 5 2 Electric control 33 5 3 Sensor parameter 40 6 CONTROL MODE 48 6 1 Indoor control mode 48 6 2 Outdoor control mode 51 7 TROUBLESHOOTING 54 7 1 Error codes 54 8 CHECKING COMPONENTS 56 8 1 Check refrigerant system 56 8 2 Check parts unit 58 9 PAR...

Page 3: ...R RA AN NG GE E 1 Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Maximum 32 D B 23 W B 43 D B 26 W B COOLING Minimum 21 D B 15 W B 21 D B 15 W B Maximum 27 D B 18 W B 24 D B 18 W B HEATING Minimum 20 D B 15 W B 7 D B 8 W B ...

Page 4: ... CPOP 3 42 362 3 21 3 62 3 41 3 66 3 29 4 08 Model ATL165SD C9AU DA130S1C 20FZ DA130S1C 20FZ Compressor Winding resistance Ω 0 590 at75 0 95 20 0 95 20 Model YDK70 6H 3 YDK55 6I 8 YDK29 6I 22 Outdoor fan motor Winding resistance at20 Ω M 78 A 80 M 185 A 200 M 283 5 A 180 Net size L W H cm 109 41 84 98 35 64 80 26 57 Package size L W H cm 112 46 98 108 42 72 94 36 64 Net weight kg 67 66 46 5 36 5 G...

Page 5: ...9 9 Electrical data Max current A 13 5 15 5 22 0 EER COP 3 21 3 70 3 21 3 71 3 22 3 62 Model ATL165SD C9AU ATL232SJNC9AU Compressor Winding resistance Ω 0 590 at75 0 95 20 Model YDK55 6I 8 YDK70 6H 3 YDK95 6 9043 Outdoor fan motor Winding resistance at20 Ω M 185 A 200 M 78 A 80 M 59 1 A 85 8 Net size L W H cm 98 35 64 109 41 84 Package size L W H cm 108 42 72 111 46 98 Net weight kg 52 53 67 Gross...

Page 6: ... 085 Auxiliary heater A Power factor Electrical data Starting current A EER COP Model Compressor Winding resistance at25 Ω Model YYW16 4 532 RPG25A 6 Indoor fan motor Winding resistance at20 Ω M 364 A 400 5 M 211 2 A 211 Model Outdoor fan motor Winding resistance at20 Ω Net size L W H cm 75 25 19 75 25 19 92 31 3 22 6 Package size L W H cm 80 31 25 VQ 88 33 26 80 31 25 VQ 88 33 26 100 7 38 29 7 Ne...

Page 7: ...50 1270 Ambient temperature 5 43 5 43 PARAMETER Motor model YSK95 25 4HS10 YSK95 40 4HS11 Rated power source 220V 50Hz 220V 50Hz Phases Poles 1 4 1 4 Rated load output W 25 42 Rated speed r min 980 850 700 White 1150 1070 980 Red 1360 1300 1240 Red 1240 1155 1050 White Ambient temperature 5 43 5 43 PARAMETER Motor model YDK95 28 4 B Rated power source 220V 50Hz Phases Poles 1 4 Rated load output W...

Page 8: ...ressor model ATL165SD C9AU ATL232SJNC9AU DA130S1C 20FZ Compressor type Rotary Rotary Rotary Rated power 1550W 2000W 990W Current A 10 7 11 2 4 97 Motor type DC brushless motor DC brushless motor DC brushless motor Starting type DC Inverter DC Inverter DC Inverter Motor Winding resistance 0 59 0 59 0 59Ω at 75 U V V W W U 0 82 0 82 0 82Ω at 75 U V V W W U 0 95 0 95 0 95Ω at 20 U V V W W U Number of...

Page 9: ...4U4SKC AMW4 28U4SKC AMW3 24U4SZD AMW3 20U4SZD AMW4 36U4SAC AMW2 20U4SNC AMW2 16U4SGC Filter model RTNF 250T10X 3LF RTNF250 30T10X 3LF RTNF250 25T068X 03LF Rated current A 20 30 20 Rated power source AC 220V 50Hz AC 220V 50Hz AC 220V 50Hz Filter frequency range 150K 30MHz 150K 30MHz 150K 30MHz Temperature range 25 85 25 85 25 85 2 3 4 STEPPER MOTOR PARAMETER Stepper Motor model 24BYJ48 Voltage DC 1...

Page 10: ... UT TL LI IN NE ES S A AN ND D D DI IM ME EN NS SI IO O 10 3 1 INDOOR MODEL AMS 07UR4SNVG4 AMS 09UR4SNVG AMS 12UR4SNVG4 VT4 VL4 VQ4 UP4 UL4 UQ4 NS4 ZC4 ZA4 23mm 631mm 94mm 190mm 250mm 750mm 50mm 50mm 50mm 65mm ...

Page 11: ...3 3 O OU UT TL LI IN NE ES S A AN ND D D DI IM ME EN NS SI IO O 14 3 2 OUTDOOR MODEL AMW2 16U4SGC1 ...

Page 12: ...3 3 O OU UT TL LI IN NE ES S A AN ND D D DI IM ME EN NS SI IO O 15 MODEL AMW2 20U4SNC1 AMW3 20U4SZD AMW3 24U4SZD ...

Page 13: ...3 3 O OU UT TL LI IN NE ES S A AN ND D D DI IM ME EN NS SI IO O 16 MODEL AMW3 24U4SKC AMW4 28U4SKC AMW4 36U4SAC ...

Page 14: ...AN NT T F FL LO OW W D DI IA AG GR RA AM M 17 4 1 Refrigerant flow diagram MODEL AMW3 24U4SKC AMW4 28U4SKC AMW4 36U4SAC Filter B机 A机 A机 C机 B机 D机 C机 D机 Remark The part is only for AMW4 28U4SKC AMW4 36U4SAC COOLING CYCLE HEATING CYCLE ...

Page 15: ...4 4 R RE EF FR RI IG GE ER RA AN NT T F FL LO OW W D DI IA AG GR RA AM M 18 MODEL AMW3 24U4SZD AMW3 20U4SZD COOLING CYCLE HEATING CYCLE ...

Page 16: ...4 4 R RE EF FR RI IG GE ER RA AN NT T F FL LO OW W D DI IA AG GR RA AM M 19 MODEL AMW2 16U4SGC1 AMW2 20U4SNC1 EEV B EEV A 4 way valve Filter B机 A机 A机 B机 Filter ...

Page 17: ...nd keep the pressure for one or two minutes Make sure the pressure is no change if the pressure is changed to high there is some leakage for the pipe connection Remove gage manifold valve quickly from the service port of the stop valve A full open the stop valves A on gas and liquid pipe sides Total pipe length is in the range No gas charge is needed Total pipe length exceeding the limit Charge th...

Page 18: ...nce I D O D 15m 15m Height difference I D I D 7 5m 7 5m Do your best to reduce the pipe length Long pipe may cause capacity of the indoor unit incline Total refrigerant pipe length Outdoor unit precharged 0m 20m 20m 60m AMW3 24U4SKC 2100g 0g AMW4 28U4SKC 2400g 0g AMW4 36U4SAC 2600g 0g AMW3 24U4SZD 1750g 0g AMW3 20U4SZD 1600g 0g Xg 15g m Total pipe length m 20 If gas pipe include 12 7 refrigerant p...

Page 19: ...E EC CT TR RI IC CA AL L D DA AT TA A 22 5 1 Electrical wiring diagrams INDOOR 1 AMS 07UR4SNVG4 VT VL VQ UP UL UQ NS ZC ZA 4 AMS 09UR4SNVG4 VT VL VQ UP UL UQ NS ZC ZA 4 AMS 12UR4SNVG4 VT VL VQ UP UL UQ NS ZC ZA 4 ...

Page 20: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 23 2 AMS 18UR4SVUP3 VG3 VL3 VT3 UP3 UL3 UQ3 ...

Page 21: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 26 OUTDOOR 1 AMW2 16U4SGC1 ...

Page 22: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 29 4 AMW3 24U4SZD ...

Page 23: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 32 7 AMW4 36U4SAC ...

Page 24: ...ctric control 1 Indoor control board for indoor unit 1 AMS 07UR4SNVG4 AMS 09UR4SNVG AMS 12UR4SNVG4 VT4 VL4 VQ4 UP4 UL4 UQ4 NS4 ZC4 ZA4 3 15A 250V 10A HEAT AC N Display Room temperature Pipe temperature Fan motor feed back Louver motor Communication Signal AC L ...

Page 25: ... LE EC CT TR RI IC CA AL L D DA AT TA A 34 2 AMS 18UR4SVVG3 VL3 VT3 UP3 UL3 UQ3 Pipetemperature Roomtemperature Fanmotorfeedback Display Louvermotor Transformerin Transformerout CommunicationSignal ACNIN ACLIN ...

Page 26: ...Transformer Outside input 4 AMC 12UX4SAA AMC 18UX4SAA AC N IN AC L IN Transformer Fan motor Pump motor Communication signal Test Room sensor Coil sensor Water level switch Wiring remote controller Step motor Outside input Transformer To display board 2 Control board for outdoor unit 1 FILTER BOARD AMW3 24U4SKC AMW4 28U4SKC AMW4 36U4SAC AC N IN To Indoor N To Indoor L AC L IN AC N OUT AC L OUT 3 15...

Page 27: ...cation Signal A Communication Signal B Communication Signal C Communication Signal N Communication Signal D IPM POWER To Filter Board To IPM Board DC in CONTROL BOARD AMW3 20U4SZD AMW3 24U4SZD AC N IN AC L IN Communication signal A Communication signal B Communication signal C Communication signal N High pressure switch Gas A B C sensor Liquid pipe A B C sensor Outdoor suction coil sensor Defrost ...

Page 28: ...n N TO Indoor unit B TO Indoor unit A Overload Protection Gas B Sensor Liquid A B Gas A Sensor Outdoor Suction Condensor Sensor Compressor Discharge Sensor A VALVE DRVING B VALVE DRVING DC DC To IPM Board Power To IPM Board Communication 4 Way Valve AC Fan Motor AC N OUT AC L OUT Earth Wire AC N IN AC L IN ...

Page 29: ...24U4SKC AMW4 28U4SKC AMW4 36U4SAC AMW3 20U4SZD AMW3 24U4SZD To Main Control Board To Compressor U To Compressor V To Compressor W IPM Power To Electrolytic Capacitor To Electrolytic Capacitor To Electrolytic Capacitor To PFC Inductor 2 To PFC Inductor 1 ac N in ac L in ...

Page 30: ...39 IPM Board AMW2 16U4SGC1 AMW2 20U4SNC1 To Compressor U To Compressor V To Compressor W To Electrolytic Capacitor To Electrolytic Capacitor To Main Control Board IPM Power To Electrolytic Capacitor To PFC Inductor 2 To PFC Inductor 1 AC N IN AC L IN ...

Page 31: ...9251 486 3954 7 09 10 17 15 384 2888 413 3808 442 9105 7 04 6 67 14 363 9047 391 2386 418 9563 6 99 6 62 13 344 7169 370 4072 396 4325 6 94 6 56 12 326 6497 350 8019 375 2461 6 88 6 51 11 309 6286 332 3441 355 3104 6 83 6 46 10 293 5903 314 9620 336 5448 6 79 6 41 9 278 4719 298 5822 318 3744 6 74 6 22 8 264 2156 283 1464 302 2294 6 69 6 31 7 250 7678 268 5936 286 5448 6 64 6 26 6 238 0783 254 868...

Page 32: ... 82 28 48 0168 50 5684 53 1058 5 05 4 78 29 46 0133 48 4371 50 8472 5 00 4 74 30 44 1034 46 4046 48 6960 4 96 4 71 31 42 2825 44 4711 46 6466 4 92 4 66 32 40 5458 42 6261 44 6937 4 88 4 63 33 38 8891 40 8668 42 8323 4 84 4 59 34 37 3084 39 1890 41 0576 4 80 4 55 35 35 7998 37 5883 39 3653 4 76 4 51 36 34 3596 36 0609 37 7511 4 72 4 48 37 32 9844 34 6030 36 2109 4 68 4 44 38 31 6710 33 2113 34 7412...

Page 33: ... 71 9 2682 9 5968 9 9231 3 42 3 29 72 8 9576 9 2720 9 5841 3 39 3 26 73 8 6589 8 9597 9 2583 3 36 3 23 74 8 3716 8 6594 8 9451 3 32 3 19 75 8 0951 8 3705 8 6440 3 29 3 16 76 7 8290 8 0926 8 3544 3 26 3 13 77 7 5730 7 8252 8 0758 3 22 3 10 78 7 3264 7 5679 7 8078 3 19 3 07 79 7 0891 7 3202 7 5499 3 16 3 04 80 6 8605 7 0818 7 3018 3 12 3 01 81 6 6403 6 8522 7 0629 3 09 2 98 82 6 4282 6 6311 6 8329 3...

Page 34: ...73 111 2 6531 2 7299 2 8072 2 81 2 75 112 2 5776 2 6530 2 7289 2 84 2 78 113 2 5046 2 5785 2 6531 2 87 2 81 114 2 4340 2 5065 2 5798 2 89 2 84 115 2 3656 2 4368 2 5087 2 92 2 87 116 2 2995 2 3693 2 4400 2 95 2 90 117 2 2354 2 3040 2 3733 2 98 2 92 118 2 1734 2 2407 2 3088 3 00 2 95 119 2 1134 2 1795 2 2463 3 03 2 97 120 2 0553 2 1201 2 1858 3 06 3 01 121 1 9991 2 0626 2 1271 3 08 3 03 122 1 9446 2...

Page 35: ...30 48 31 47 32 49 3 15 3 14 15 29 07 29 97 30 89 3 00 2 98 14 27 73 28 56 29 39 2 91 2 82 13 26 46 27 22 27 98 2 79 2 72 12 25 26 25 95 26 64 2 66 2 59 11 24 11 24 75 25 38 2 59 2 48 10 23 03 23 61 24 19 2 46 2 40 9 21 99 22 53 23 06 2 40 2 30 8 21 01 21 51 22 00 2 32 2 23 7 20 08 20 54 20 99 2 24 2 14 6 19 19 19 62 20 04 2 19 2 10 5 18 35 18 74 19 14 2 08 2 09 4 17 55 17 92 18 29 2 06 2 02 3 16 7...

Page 36: ...0 4 05 28 4 687 4 891 5 101 4 17 4 12 29 4 517 4 717 4 924 4 24 4 20 30 4 355 4 550 4 753 4 29 4 27 31 4 198 4 390 4 589 4 37 4 34 32 4 048 4 236 4 431 4 44 4 40 33 3 904 4 089 4 280 4 52 4 46 34 3 766 3 946 4 134 4 56 4 55 35 3 663 3 810 3 994 3 86 4 61 36 3 506 3 679 3 859 4 70 4 66 37 3 383 3 552 3 729 4 76 4 75 38 3 265 3 431 3 604 4 84 4 80 39 3 152 3 314 3 484 4 89 4 88 40 3 043 3 202 3 368 ...

Page 37: ...81 6 82 72 1 061 1 140 1 224 6 93 6 86 73 1 029 1 106 1 188 6 96 6 90 74 0 9977 1 073 1 153 7 02 6 94 75 0 9676 1 041 1 120 7 05 7 05 76 0 9385 1 011 1 088 7 17 7 08 77 0 9104 0 9810 1 056 7 20 7 10 78 0 8833 0 9523 1 026 7 25 7 18 79 0 8570 0 9246 0 9971 7 31 7 27 80 0 8316 0 8977 0 9687 7 36 7 33 81 0 8071 0 8717 0 9412 7 41 7 38 82 0 7834 0 8466 0 9146 7 47 7 43 83 0 7604 0 8223 0 8888 7 53 7 4...

Page 38: ... T Rmin KΩ Rnom KΩ Rmax KΩ DR MIN DR MAX 106 0 3947 0 4323 0 4733 8 70 8 66 107 0 3841 0 4210 0 4611 8 76 8 70 108 0 3739 0 4100 0 4493 8 80 8 75 109 0 3640 0 3993 0 4379 8 84 8 81 110 0 3544 0 3890 0 4267 8 89 8 84 111 0 3450 0 3789 0 4159 8 95 8 90 112 0 3360 0 3692 0 4055 8 99 8 95 113 0 3272 0 3597 0 3953 9 04 9 01 114 0 3187 0 3505 0 3854 9 07 9 06 115 0 3104 0 3416 0 3758 9 13 9 10 116 0 302...

Page 39: ...sor Such remote controller has the function of man machine communication For details refer to the section for the remote controller In addition there is a thermal sensor at the indoor air inlet In the case where the remote controller is equipped with a thermal sensor the default setting for room temperatures is subject to the detection by the remote controller The remote controller detects the roo...

Page 40: ...d frequency of high frequency operation In the heating mode powerful function is invalid 3 6 mute function only for H1 wireless remote controller In the indoor machine operation mode You may turn on mute function and turn off mute function by mute key The air conditioner will run by mute fan speed in mute mode 3 7 prevent cooling wind mode In the heating run to prevent the indoor fan from blowing ...

Page 41: ...creen will display the fault code no fault will show 00 3 12 Mode interfere For the reason that all indoor units use one outdoor unit outdoor unit can only run with same mode cooling or heating so when the mode you set is different from the mode that outdoor is running with mode interfere occurs Following shows the mode interfere scene cooling dry heating fan cooling normal dry mode interfere heat...

Page 42: ...perature is too low the compressor will be prohibited from increasing the frequency or decrease the frequency even shut down automatically Heating Overload Protection To prevent system overload caused by excessive pressure in heating operation the machine will implement real time detection over the indoor fan coil temperature If the indoor coil temperature grows higher the compressor will be prohi...

Page 43: ...igh the compressor will stop working immediately The compressor will then reboot when the discharge temperature returns to normal condition Oil return Control When the compressor continues to operate at low frequency there will be an oil return The compressor increases the frequency and thus to return the oil in refrigerate system to the compressor Operation Mode 1 Mode Categories Air conditioning...

Page 44: ...pressor stops working Start up Protection To prevent compressor from restart frequently in the condition that system pressure has not been completely balanced it can t be restarted within 3 minutes Pressure Protection Pressure switch is normally kept open When the pressure grows too high the pressure switch will close and soft will enter pressure protection control soft will automatically decrease...

Page 45: ...e unit will display the new error code in the below 1 New error code and old error code table Outdoor new error code Outdoor old error cold 1 11 2 9 3 24 4 5 25 26 27 28 7 13 8 14 32 16 31 17 7 18 19 6 22 10 23 12 24 13 25 14 26 15 27 16 28 17 29 18 30 19 41 20 42 21 45 30 46 5 47 23 Indoor new error code Indoor old error code 81 33 83 34 64 36 51 37 73 38 72 39 85 49 55 50 ...

Page 46: ...ilure 2 EE components control circuit failure 3 EE components insert incorrect 1 Replace the EE components 2 Replace the outdoor control board components 3 Reassembly the EE components 5 cooling freezing protection the indoor coil temperature is too low or heating overload indoor coil temperature is too high 1 The indoor unit can not blow air normally 2 The room temperature is too low in cooling m...

Page 47: ...ensor connect loose 2 The suction temperature sensor is failure 3 The sampling circuit is abnormally 1 Reconnect the wiring of the suction temperature sensor 2 Replace the suction temperature sensor 3 Replace the outdoor control board 22 the defrosting sensor fault 1 The wiring of the defrosting sensor connect loose 2 The defrosting sensor is failure 3 The sampling circuit is abnormally 1 Reconnec...

Page 48: ...sion valve D thick tube 2 Replace the sensor for the expansion valve D thick tube 3 Replace the outdoor control board components 41 the current sensor fault 1 The wiring of the current sensor connect wrong or loose 2 The current sensor is failure 3 The sampling circuit of the current sensor is failure 1 Reconnect the wiring of the current sensor 2 Replace the current sensor 3 Replace the outdoor c...

Page 49: ...ce the control board 47 discharge temperature too high fault 1 The refrigerant of the unit is not enough 2 The refrigerant of the unit is not enough due to add the length of the installation pipe 3 Throttling service is failure 4 The outdoor ambient temperature is too high 1 Check the welding point to confirm whether the unit has exist leakage point and then add some refrigerant 2 Add some refrige...

Page 50: ...etween the indoor unit and the outdoor unit connect loose or the cable between the indoor control board to terminal connect loose or the cable between the outdoor control board to the terminal connect loose 3 The communication cable between the indoor unit and the outdoor unit is failure or the cable between the indoor control board to terminal is failure or the cable between the outdoor control b...

Page 51: ...ault 1 The temperature sensor of the wiring controller is failure 2 The sampling circuit of the wiring controller is failure 1 Replace the wiring controller 2 Replace the wiring controller EA The communication between the display board and the indoor control board fault 1 The wiring between the display board to the indoor control board connect loose 2 The sequence of the wiring between the display...

Page 52: ...or 6 The outdoor fan is broken or the outdoor fan is blocked Check the outdoor fan 7 The air inlet and outlet has been blocked Remove the blocked thing 8 The expansion valve or the capillary is failure Replace the expansion valve or the capillary Note 4 Over load in heating mode Overload in heating mode sr The root cause Corrective measure 1 The refrigerant is excessive Discharge the refrigerant a...

Page 53: ...ning The air condition should be installed in good ventilation Tool Pressure Gauge Technique see feel test SEE Tube defrost FEEL The difference between tube s temperature TEST Test pressure cooling run heating run Lo Hi Pressure gauge Lo Hi Pressure gauge Lo Hi Pressure gauge Lo Hi Pressure gauge Lo Hi Pressure gauge Lo Hi Pressure gauge ...

Page 54: ...lve and 4 way valve If the pressure is close to static pressure NO NO 4 way valve collude or compressor exhaust very ebb yes NO yes Heating mode Test system pressure Does the high pressure normal at service part The pressure on the high side The pressure on the low side Recharge refrigerant after air purging with the vacuum pump Does the high pressure normal over again Air remaining at the refrige...

Page 55: ...it diagram AMS 07 09 12UR4SNVG VT4 VL4 VQ4 UP4 UL4 UQ4 NS4 ZC4 ZA4 1 YYW16 4 532 BLACK WHITE M A Vcc GND Vout BROWN BLACK YELLOW WINDING M The main winding A The auxiliary winding Capacitor Hot protector 100 AMS 18UR4SVVG3 VT3 VL3 UP3 UL3 UQ3 2 RPG25A 6 AMD 09 12UX4SJD 3 YSK95 25 4HS10 M 329Ω A1 36 5Ω A2 31Ω A3 30 5Ω A4 34 2Ω A5 91Ω ...

Page 56: ...AMD 18UX4SJD 4 YSK95 40 4HS11 M 138Ω A1 42 5Ω A2 22Ω A3 17 6Ω A4 14 6Ω A5 81 4Ω AMC 12 18UX4SAA 5 YDK95 28 4 B M 240Ω A1 60Ω A2 33Ω A3 143Ω Test in resistance TOOL Multimeter Test the resistance of the main winding The indoor fan motor is fault if the resistance of ...

Page 57: ...gainst hard material Malfunction may not be observed at early stage after such shock But it may be found later this type of mishandling void our warranty 2 OUTDOOR FAN MOTOR MOTOR EXAMINE AND REPAIR Circuit diagram AMW4 28U4SKC AMW3 24U4SKC AMD 24U4SZD 1 YDK70 6H 3 BROWN WHITE A M WINDING M The main winding A The auxiliary winding Capacitor Hot protector 130 YELLOW RED BLACK BLUE Winding resistanc...

Page 58: ... 20 M1 59 1Ω M2 20 3Ω M3 15 3Ω A 85 8Ω Test in resistance TOOL Multimeter Test the resistance of the main winding The outdoor fan motor is fault if the resistance of main winding 0 short circuit or open circuit Notes 1 Please don t hold motor by lead wires 2 Please don t plug IN OUT the motor connecter while power ON 3 Please don t drop hurl or dump motor against hard material Malfunction may not ...

Page 59: ... plugs Don t place the comp In air for along time 3 Avoiding compressor running in reverse caused by connecting electrical wire incorrectly 4 Warning In case AC voltage is impressed to compressor the compressor performance will below because of its rotor magnetic force decreasing 4 INDUCTANCE Familiar error 1 Sound abnormality 2 Insulation resistance disqualification 5 STEP MOTOR 5 4 2 1 Test in r...

Page 60: ...be on the capacitor terminals as shown in Fig 3 2 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of the capacitor Compressor motor capacito...

Page 61: ...DOOR MODEL AMS 07UR4SNVG4 VT VL VQ UP UL UQ NS ZC ZA 4 AMS 09UR4SNVG4 VT VL VQ UP UL UQ NS ZC ZA 4 AMS 12UR4SNVG4 VT VL VQ UP UL UQ NS ZC ZA 4 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 17 2 17 3 17 4 17 18 19 20 21 23 22 25 26 27 28 29 30 24 ...

Page 62: ...0 02 01 FRONT PANEL 1 VQ4 1203049 RZA 0 2307 006 01 0 2 ZA4 ZC4 3 1320776 K33B10003 AIR FILTER ASS Y 2 VG4 VL4 VT4 UP4 UL4 UQ4 VQ4 NS4 1203444 RZA 2 2258 062 XX 1 1 ZA4 ZC4 1260740 G1C26 R00 02 03 1 UL4 4 1260789 G1C28 R00 02 03 DISPLAY PANEL 1 UQ4 1359347 G1K30 R00 02 02 1 VG4 VL4 VT4 UP4 UL4 UQ4 VQ4 NS4 5 1370234 RZA 2 1501 053 02 GRILL 1 ZA4 ZC4 6 NO 7 NO 8 1464103 K37320329 EVAPORATOR ASS Y 1 ...

Page 63: ... 1 UQ4 1473203 1 ZC4 1473195 1 NS4 20 1473206 DISPLAY BOARD ASS Y 1 VQ4 21 NO 22 1204031 RZA 2 2514 112 XX 0 BEARING COVER 1 23 1203639 RZA 2 2362 032 XX 0 FIXED BOARD 1 24 1339745 K33190002 INSTALLATION PLATE 1 1465785 1 H1 1465783 1 J1 25 1342348 REMOTE CONTROLLER 1 E4 07 1203207 RZA 0 5315 023 XX 0 1 ZA4 ZC4 26 1369210 G1K30 R00 05 02 ELECTRICAL CONTROL BOX COVER 1 VG4 VL4 VT4 UP4 UL4 UQ4 NS4 V...

Page 64: ...9 9 P PA AR RT TS S L LI IS ST T 67 MODEL AMS 18UR4SVUP3 UL3 UQ3 VG3 VL3 VT3 ...

Page 65: ...UQ3 7 1355966 G2C30 R00 02 02 shell 1 VG3 VL3 VT3 8 1248649 G2C00 R00 01 02 03 Vertical Level Vane 2 9 1248650 G2C00 R00 01 02 04 Vertical Level Vane 11 10 1248841 G2C00 R00 01 02 05 center staff 1 11 1248843 G2C00 R00 01 02 06 center staff 1 12 1222824 KT25F0 05 bearing 3 1362498 G2C00 R00 01 02 02 level vane 1 UP3 UL3 UQ3 13 1356400 G2C30 R00 01 02 02 VG3 VL3 VT3 14 1223852 G2A00 R00 02 01 07 ba...

Page 66: ...G00 R00 02 06 wiring distribution cover assy 1 23 1362488 G2C00 R00 02 06 display panel 1 24 1223852 G2A00 R00 02 01 06 baffle 2 25 1345677 K331H0008 sensor mounting plate 1 26 1387643 K1C510077 Temperature Sensor 1 27 1225096 DG13B1 01 step motor 1 28 1248516 G2C00 R00 05 04 mounting plate 1 29 1260327 DG13G2 02 fan motor 1 30 1328841 DG17D4 10 terminal panel 1 31 1223749 G1A00 R00 00 02 holder 1...

Page 67: ...9 9 P PA AR RT TS S L LI IS ST T 89 Mode AMW4 36U4SAC ...

Page 68: ...9 1357614 K37440100 discharge tube assy 1 20 1307360 RZA 0 4207 075 XX 0 outlet tube ASS Y 1 21 1203402 RZA 0 4505 008 XX 0 desiccation strainer 1 22 1357737 K37410397 pipe ASS Y 1 23 1370562 K37580051 3 8 stop valve 4 24 1446363 K37570097 3 8 stop valve ASS Y 4 25 1369915 K37580047 1 4 stop valve 4 26 1300307 RZA 0 4519 021 JT 0 electric expansion valve 4 27 1206640 RZA 4 2649 074 XX 0 Electromag...

Page 69: ...72473 4 2379 123 03 0 Connect terminal panel 4 48 1204045 3 9030 002 00 A fixing clip 5 49 1301839 4 5259 390 04 0 TEMPERATYRE SENSOR 1 yellow 50 1301832 4 5259 390 02 0 TEMPERATYRE SENSOR 1 green 51 1301833 4 5259 390 03 0 TEMPERATYRE SENSOR 1 blue 52 1301841 4 5259 390 05 0 TEMPERATYRE SENSOR 1 black 53 1301842 4 5259 290 01 0 TEMPERATYRE SENSOR 1 yellow 54 1312582 K1C510001 TEMPERATYRE SENSOR 1...

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