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Hisense AUF-36CTR2SEM, Technical & Service Manual, Page: 1 / 107

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Hisense AUF-36CTR2SEM Technical & Service Manual Download Page 1

TECHNICAL

&

SERVICE

 

MANUAL

 

V3

.

2

—Floor Standing Type

 

Air

 

Conditioner

MODEL:                  
T1

 

Series

AUF-48ER6SEM1            
AUF

-

60ER6SPM1

AUF

-

42CR6FEM

AUF

-

42CR6SEM

T3

 

SERIES

(

COOLING

 

ONLY

 

TYPE

,

POWER

 

SOURCE

:

60Hz

 )

AUF

-

36CTR2SEM

AUF

-

48CTR2SPM

AUF

-

60CTR2SPM

AUF 60CTR2SPM1

-

T3Series

(HEAT

 

PUMP

 

TYPE

,

POWER SOURCE

:

50Hz

)

AUF

-

36HTR4FAM

AUF

-

48HTR4FEM

AUF

-

48HTR6FEM

AUF

-

60HTR6FPM

AUF

-

36HTR4FAMA

AUF

-

48HTR4FEMA

AUF

-

48HTR6FEMA

AUF

-

60HTR6FPMA

AUF

-

48HTR4FEMB

Summary of Contents for AUF-36CTR2SEM

Page 1: ...PM1 AUF 42CR6FEM AUF 42CR6SEM T3 SERIES COOLING ONLY TYPE POWER SOURCE 60Hz AUF 36CTR2SEM AUF 48CTR2SPM AUF 60CTR2SPM AUF 60CTR2SPM1 T3Series HEAT PUMP TYPE POWER SOURCE 50Hz AUF 36HTR4FAM AUF 48HTR4F...

Page 2: ...CTRICAL DATA 34 5 1 Electric Wiring Diagrams 34 5 2 Electric Control 44 5 3 Dip Switch Setting of Outdoor 46 5 4 Other Settings 47 5 5 Sensor Parameter 49 6 CONTROL MODE 57 6 1 Indoor Control Mode 57...

Page 3: ...rious Refrigerant Pipe Connect Methods The refrigerant pipe can be connected from 3 different directions rear right or left More methods more conveniently Self Recovery of Power Break When the power s...

Page 4: ...1 1 G GE EN NE ER RA AL L FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 2 1 2 Product Lineup Type Model 36 42 48 60 Floor Standing Type AUF...

Page 5: ...frigerant R410A F Refrigerant R22 2 220V 240V 60HZ 1P 4 220V 240V 50HZ 1P 6 380V 415V 50HZ 3P X Wire Romote Controller R Wireless Romote Controller Cool Capacity 36x10 Btu h Air Conditioner Unit M Ind...

Page 6: ...1 1 G GE EN NE ER RA AL L FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 4 1 4 Product Picture Indoor Unit...

Page 7: ...GE EN NE ER RA AL L FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 5 Outdoor Unit MODEL Kbtu h 36K except AUF 36CTR2SEM 48K 42K 36K AUF 36CTR2SEM View MODEL KBtu h 48K AUF 48CTR2SPM 60K...

Page 8: ...1 1 G GE EN NE ER RA AL L FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 6...

Page 9: ...1 1 G GE EN NE ER RA AL L FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 7 DISPLAY PANEL...

Page 10: ...1 1 G GE EN NE ER RA AL L FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 8...

Page 11: ...24 31 23 28 Rated Current Heating A 14 5 22 __ Max input kW 5 5 7 2 9 Max current A 24 3 36 40 EER T1 T3 COP 2 82 2 1 3 41 2 81 2 0 2 81 2 86 Model LHT53VBBC C SBR145H15P C SBP140H16A Type Rotary Scr...

Page 12: ...door L W H mm 2000 690 480 2000 690 480 2000 690 480 Packing Outdoor L W H mm 1110 460 980 1110 460 1200 1110 460 1530 Indoor Net Gross kg 48 60 48 60 52 63 Weight Outdoor Net Gross kg 69 74 100 108 1...

Page 13: ...or Model Y7S059D801 Y7S859E002 EQDW07AQH Type AC AC AC YDK29 6I 39 YYW65 6 9546A YDK29 6I 40 Fan motor Outdoor Model YDK29 6I 41 YYW65 6 9547A YDK29 6I 42 type centrifugal fan Fan Indoor Speed Super H...

Page 14: ...2SM Outdoor model AUW 48HT6FE AUW 60HT6FP AUW 36CT2SE Max difference in level m 15 15 20 15 Connection method Flare Connection Power wiring mm 2 5 core x2 5 5 core x2 5 3 core x2 5 wiring Signal wirin...

Page 15: ...e AC AC AC Indoor Model Y7S059D501 Y7S862D820 Y7S862D820 Type AC AC AC YDK29 6I 36 YDK29 6I 36 Fan motor Outdoor Model YDK95 6 9063A YDK29 6I 37 YDK29 6I 37 type centrifugal fan Fan Indoor Speed Super...

Page 16: ...AUF 48HR4FMB Outdoor model AUW 36HT4FA1 AUW 48HT4FE AUW 48HT4FE Max difference in level m 7 5 15 15 Connection method Flare Connection Power wiring mm 2 3 core x2 5 3 core x6 0 3 core x6 0 wiring Sig...

Page 17: ...Y7S059D801 Y7S859E002 Type AC AC YDK29 6I 39 YYW65 6 9546A Fan motor Outdoor Model YDK29 6I 41 YYW65 6 9547A type centrifugal fan Fan Indoor Speed Super Hi Med Low r p m 540 470 430 380 570 520 480 4...

Page 18: ...R6FPMA Indoor model AUF 48HR4F1MA AUF 60HR4FMA Outdoor model AUW 48HT6FE AUW 60HT6FP Connection method Flare Connection Power wiring mm 2 5 core x2 5 5 core x2 5 wiring Signal wiring mm 2 4core x0 75...

Page 19: ...oor Model EQDW07AQH EQDW07AQH Type AC DC YYW95 8 8523 SIC 71FW D8121 1 Fan motor Outdoor Model YYW95 8 8526 SIC 71FW D8121 2 type centrifugal fan Fan Indoor Speed Super Hi Med Low r p m 570 520 450 41...

Page 20: ...or model AUF 48CR2SM AUF 60CR2SM1 Outdoor model AUW 48CT2SP AUW 60CT2SP1 Max difference in level m 15 15 Connection method Flare Connection Power wiring mm 2 3 core x6 0 3 core x6 0 wiring Signal wiri...

Page 21: ...14 8 9 3 EER COP 2 94 3 01 3 41 3 01 3 01 Model TE708RC3Q9RK ATE550SC3Q9RK ATE650SC3Q9JK Type Rotary Rotary Rotary Winding resistance 2 99 2 79 2 48 Compre ssor Brand SHANGHAI HITACHI SHANGHAI HITACHI...

Page 22: ...Indoor Net Gross kg 48 60 55 60 55 60 Weight Outdoor Net Gross kg 88 93 96 103 106 116 Indoor Hi Med Low dB A 52 52 52 Noise lever Outdoor Hi Med Low dB A 62 62 62 Gas Liquid mm 19 05 9 52 19 05 9 52...

Page 23: ...4 7 Air Circulation CMH Max 2000 T1 EER for Cooling W W 2 94 COP for Heating W W Refrigerant R410A High dB A 52 Indoor Unit Noise Level Low dB A 46 Outdoor Unit Noise Level dB A 58 Power Supply Volta...

Page 24: ...Yes Sleep Operation Yes Smart Function Yes Super Function Yes Auto Restart Yes Other Indoor Unit 580 1870 380 Net Dimensions WxHxD mm Outdoor Unit 950 1050 340 Indoor Unit 48 Net Weight Kg Outdoor Un...

Page 25: ...3 3 O OU UT TL LI IN NE ES S A AN ND D D DI IM ME EN NS SI IO ON NS S FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 2 23 3 OUTLINES AND DIMENSIONS 3 1 INDOOR UNIT mm...

Page 26: ...3 3 O OU UT TL LI IN NE ES S A AN ND D D DI IM ME EN NS SI IO ON NS S FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 2 24 3 2 OUTDOOR UNIT mm 36K except AUF 36CTR2SEM...

Page 27: ...3 3 O OU UT TL LI IN NE ES S A AN ND D D DI IM ME EN NS SI IO ON NS S FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 2 25 42K 48K except AUF 48CTR2SPM 36K AUF 36CTR2SEM...

Page 28: ...3 3 O OU UT TL LI IN NE ES S A AN ND D D DI IM ME EN NS SI IO ON NS S FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 2 26 48K AUF 48CTR2SPM 60K...

Page 29: ...4 4 D DI IA AG GR RA AM MS S D DA AT TA A FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 2 27 4 Diagrams DATA 4 1 Piping Diagrams T3 Type 36K except AUF 36CTR2SEM AUF 36CTR2SEM...

Page 30: ...4 4 D DI IA AG GR RA AM MS S D DA AT TA A FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 2 28 48k 60K HEAT PUMP TYPE 48K 60K COOLING ONLY TYPE...

Page 31: ...4 4 D DI IA AG GR RA AM MS S D DA AT TA A FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 2 29 T1 Type 48K 60K HP LP 42K...

Page 32: ...difference in level m 7 5 15 Do your best to reduce the pipe length Long pipe may cause capacity of the indoor unit incline The refrigerant charge volume for the unit is based on using a 5m connecting...

Page 33: ...4 4 D DI IA AG GR RA AM MS S D DA AT TA A FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 2 31 4 3ELECTRIC Diagrams...

Page 34: ...more than 1 megohm by measuring the resistance between ground and the terminal of the electrical parts If not do not operate the system until the electrical leakage is found and repaired B Check to e...

Page 35: ...FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 2 33 4 In the case that power cables are connected in series add each unit maximum current and select wires below in the case that current ex...

Page 36: ...C CT TR RI IC CA AL L D DA AT TA A 34 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 34 5 1 Electrical wiring diagrams INDOOR UNIT AUF 36HTR4FAM AUF 48HTR4FEM AUF 42CR6FEM AUF 42CR6SEM A...

Page 37: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 35 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 35 AUF 48ER6SEM1 AUF 60ER6SPM1...

Page 38: ...ature sensor Room temperature sensor CN7 ROOM DISP CN20 SWING MOTOR YEL GRN OUTSIDE INPUT RED BLU BRN TERMINAL PANEL TO OUTDOOR UNIT DISPLAY BOARD YEL GRN 2 1 2 1 4 3 4 3 CN23 5 5 STEP STEP Content of...

Page 39: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 37 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 37 OUTDOOR UNIT 36K AUF 36HTR4FAM...

Page 40: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 38 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 38 48K AUF 48HTR4FEM...

Page 41: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 39 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 39 42K AUF 42CR6FEM AUF 42CR6SEM...

Page 42: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 40 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 40 36K AUF 36CTR2SEM 48K AUF 48CTR2SPM 60K AUF 60CTR2SPM...

Page 43: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 41 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 41 48K AUF 48ER6SEM1...

Page 44: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 42 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 42 60K AUF 60ER6SPM1...

Page 45: ...Vin CN22 Win CN23 CN403 CN401 FAN UP CN801 SV Uin CN26 Nin CN17 1 2 1 2 DISS 1 L 2 N L N 4 SI EARTH C S R AC 220V YEL GRN YEL GRN YEL GRN Compressor AC electromagnetic contactor Terminal panel BRN RE...

Page 46: ...LE EC CT TR RI IC CA AL L D DA AT TA A 44 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 44 5 2 CONTROL BOARD INDOOR UNIT AC MOTOR INDOOR UNIT DC MOTOR AUF 36CTR2SEM AUF 48CTR2SPM AUF 60...

Page 47: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 45 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 45 OUTDOOR UNIT AC MOTOR OUTDOOR UNIT DC MOTOR Control Board AUF 60CTR2SPM1...

Page 48: ...5 5 E EL LE EC CT TR RI IC CA AL L D DA AT TA A 46 FLOOR STANDING AIR CONDITIONER TECHNICAL SERVICE MANUAL V3 1 46 Power Board AUF 60CTR2SPM1 5 3 Dip Switch Setting...

Page 49: ...RAMETER VALUE REPRESENTATION PARAMETER CODE PARAMETER DESCRIPTION DATA TYPE REPRESENTATION FUNCTION CODE NOTE 1 Self Recovery of Power Break Integer 0 Cancel Self Recovery of Power Break function 1 Se...

Page 50: ...ensor Heating mode Integer 0 10valid more than 10 default is10 0 0 1 10 10 100 13 Temperature Adjustment Cooling Character 10 10 Single Character with symbol 14 Temperature Adjustment Heating Characte...

Page 51: ...91 7 14 6 77 16 405 9517 436 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 2...

Page 52: ...9695 5 13 4 85 27 50 1192 52 8058 55 4778 5 09 4 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...

Page 53: ...1 3 53 3 38 69 9 9271 10 2863 10 6429 3 49 3 35 70 9 5912 9 9348 10 2756 3 46 3 32 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 8 659...

Page 54: ...3 0582 2 73 2 67 109 2 8118 2 8915 2 9717 2 76 2 70 110 2 7311 2 8093 2 8881 2 78 2 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 43...

Page 55: ...96 33 06 34 17 3 33 3 25 16 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 3...

Page 56: ...3 98 27 4 864 5 072 5 286 4 10 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...

Page 57: ...6 77 71 1 095 1 175 1 261 6 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...

Page 58: ...104 0 4168 0 4561 0 4988 8 62 8 56 105 0 4056 0 4440 0 4859 8 65 8 62 106 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...

Page 59: ...and the air conditioner s operation is irrelevant with room temperatures If a remote signal has been received during the emergency run the machine will operate upon the command of such a remote signal...

Page 60: ...function is started 3 In the cooling mode the set temperature will rise automatically after the sleep function is started 4 In default the setting is to cancel the sleep function Turning off the unit...

Page 61: ...for cassette type 2 10 Dehumidifying method Remote control setting dehumidifying mode indoor machine forced to run at low speed high power key or a strong bond also maintain a low wind speed the outdo...

Page 62: ...r will be automatic protection 3 Exhaust temperature protection To prevent deterioration due to high exhaust temperature of compressor the machine will realize the real time detection of the temperatu...

Page 63: ...mpressor from restart frequently in the condition that system pressure has not been completely balanced it can t be restarted within 3 minutes 7 Pressure Protection When the pressure increases to a pr...

Page 64: ...ode series In the case of no button locked continue pressing CLOCK button for 8 times fault codes will display on the LCD for 10 seconds automatically disappears after 10seconds Continue pressing SLEE...

Page 65: ...DES BY DISPLAY PANEL CASSETTE type and CEILING FLOOR type Display by lamp indicator Lamp RUN LED2 red and Lamp DEFROST LED5 green flashing Lamp RUN display fault code ten digit number lamp DEFROST dis...

Page 66: ...7 7 T TR RO OU UB BL LE E S SH HO OO OT TI IN NG G FLOOR STANDING AIR CONDITIONER SERVICE MANUAL V3 2 64...

Page 67: ...flash 300mS T1 off 300mS T2 after 2000mS T3 fault code repeat displays as shown below T1 T2 T3 Fig 2 LED FALSH CONTROL 3 Duct type indoor units of VRF FAULT CODE DISPLAY BY INDOOR BOARD LED2 and LED5...

Page 68: ...trol box Fault code display by indicate lamps of outdoor control board flash The times that the lamp flashes equal to fault code LED FALSH CONTROL flash 300mS T1 off 300mS T2 after 900mS T3 fault code...

Page 69: ...NER SERVICE MANUAL V3 2 67 FOR INVERTER UNITARY AIR CONDITONER VRF VRF Indoor unit can indicate both indoor failure and outdoor failure but outdoor only indicate outdoor s FOR MULTI SPLIT TYPE Error c...

Page 70: ...L LE E S SH HO OO OT TI IN NG G FLOOR STANDING AIR CONDITIONER SERVICE MANUAL V3 2 68 3 Fault code display Driver Board The lamp of driver board flash shows failure occur Or fault code can be check on...

Page 71: ...rent is over high because of the supply voltage is too low 3 The on off compressor is blocked 4 Overload in cooling mode 5 Overload in heating mode 1 Replace the electrical control board components 2...

Page 72: ...se 7 Choose suitable communication cable refer to the user manual 8 Phase current imbalance 1 The supply voltage fluctuates more than 4 2 The compressor power cord connect loose 3 The AC contactor is...

Page 73: ...is abnormal 4 Overload in cooling 5 Overload in heating 1 Reconnect the wiring the high pressure protector 2 Replace the high pressure protector 3 Replace the outdoor control board 4 Please refer to t...

Page 74: ...ve A tube thin sensor fault 1 The wiring of the sensor for the expansion valve A thin tube connect loose 2 The sensor for the expansion A thin tube is failure 3 The sampling circuit is abnormally 1 Re...

Page 75: ...thick tube 2 Replace the sensor for the expansion valve D thick tube 3 Replace the outdoor control board FOR MUTI SPLIT outdoor 31 The discharge pressure is too high 1 Overload in cooling 2 Overload i...

Page 76: ...le between the control board and the driver board 3 Replace the driver board 4 Replace the control board Applied for Inverter Unitary type Free Match 46 1 IPM and control board communication fault 1 T...

Page 77: ...fan motor stall fault 1 The fan motor is failure 2 The outdoor control board is failure 3 The driver board is failure 1 Replace the upper fan motor 2 Replace the outdoor control board 3 Replace the d...

Page 78: ...Reinstalled the outdoor unit refer to the installation user manual 4 Normally protection 92 the ratio of the discharge pressure than the suction pressure is too large 1 The filter of the expansion val...

Page 79: ...ot enough Discharge the refrigerant and charge the refrigerant refer to the rating label VRF 97 4 way valve commutation failure fault 1 The wiring of the 4 way valve coil connect loose 2 The 4 way val...

Page 80: ...ly for MUTI SPLIT 33 Room temperature sensor fault 1 The cable of the indoor room temperature sensor connect loose 2 The indoor room temperature sensor is failure 3 The sampling circuit is abnormal 1...

Page 81: ...failure 1 The cable of the humidity sensor connect loose 2 The humidity sensor is failure 3 The indoor control board is failure 1 Reconnect the cable of the humidity sensor 2 Replace the humidity sen...

Page 82: ...s failure 5 The indoor control board is failure 1 Reassembly the front panel 2 Reconnect the cable of the switch and the panel motor 3 Replace the switch components 4 Replace the panel motor 5 Replace...

Page 83: ...is too high over 70 4 No water in tank 1 Change temperature sensor 2 Change Control board 3 Normally protection should lower water temperature 4 Open fill pump to supply water Check whether there is...

Page 84: ...rol board 72 Indoor fan motor fault 1 The cable of the indoor fan motor connect loose 2 The cable of the indoor fan motor is failure 3 The indoor fan motor is failure 4 The indoor control board is fai...

Page 85: ...evaporator 3 Replace the indoor control board 84 Evaporator outlet Temperature Sensor Fault 1 The cable of the coil temperature sensor of the evaporator is failure 2 The coil temperature sensor of the...

Page 86: ...wire remote controller F1 241 Wire remote controller temperature sensor failure 1 Temperature sensor of wire remote controller is abnormal 2 Wire remote controller control board is abnormal Change wi...

Page 87: ...it turn off itself after 30s at the same time the unit do not display the error code please check the fire and the socket of the control board Note 2 If the indoor unit display the 75 76 77 78 error c...

Page 88: ...he indoor ambient temperature is too high Please use within allowable temperature range 3 The air outlet and air inlet of the indoor unit is short circuit Adjust the installation of the indoor unit re...

Page 89: ...nnect not well 2 Bad driver board components 3 Compressor start load is too large 4 Compressor demagnetization 5 Compressor oil shortage serious wear of crankshaft 6 The compressor insulation fault 1...

Page 90: ...eck the system 2 Change the driver board 3 Change PFC 13 Inverter over current 3 phase power supply air conditioners 1 System overload current too large 2 Driver board fault 3 Compressor oil shortage...

Page 91: ...on Possible Reason of Abnormality How to Deal With 1 Inverter DC voltage overload fault 2 Inverter DC low voltage fault 3 Inverter AC current overload fault 1 Power supply input too high or too low 2...

Page 92: ...d failure 1 Input voltage is too high or too low 2 Driver board failure 1 Check the power supply 2 Change the driver board 15 AD offset abnormal detected failure 16 Inverter PWM logic set fault 17 Inv...

Page 93: ...R SERVICE MANUAL V3 2 91 8 1 Check refrigerant system TEST SYSTEM FLOW Conditions Compressor is running The air condition should be installed in good ventilation Tool Pressure Gauge Technique see feel...

Page 94: ...lown by N2 Check check valve 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...

Page 95: ...G C CO OM MP PO ON NE EN NT TS S FLOOR STANDING AIR CONDITIONER SERVICE MANUAL V3 2 93 8 2 Check parts unit 1 INDOOR FAN MOTOR T1 Series 42K 48K 60K MODEL Y7S059D801 T3 Series 36K AUF 36HTR4FAM AUF 3...

Page 96: ...NG AIR CONDITIONER SERVICE MANUAL V3 2 94 36K AUF 36CTR2SEM 48K AUF 48CTR2SPM 60K AUF 60CTR2SPM1 MODEL EQDW07AQH DC MOTOR 48K AUF 48HTR4FEM AUF 48HTR4FEMA AUF 48HTR4FEMB MODEL Y7S862D820 48K AUF 48HTR...

Page 97: ...an motor slowly for 1 revolution or over and measure voltage YELLOW and GND on motor The voltage repeat 0V DC and 5V DC Notes 1 Please don t hold motor by lead wires 2 Please don t plug IN OUT the mot...

Page 98: ...N NE EN NT TS S FLOOR STANDING AIR CONDITIONER SERVICE MANUAL V3 2 96 48K Model YDK65 6 9024 YDK65 6 9061 T3 Series 36K AUF 36HTR4FAM AUF 36HTR4FAMA MODEL YDK95 6 9063A BLACK WHITE 67 12 BLACK BLUE 23...

Page 99: ...YDK69 6I 40 M WHITE RED 273 15 A BROWN BLACK 100 15 48K AUF 48HTR4FEM AUF 48HTR4FEMA AUF 48HTR4FEMB MODEL YDK29 6I 36 YDK29 6I 37 M 228 15 A 150 15 48K AUF 48HTR6FEM AUF 48HTR6FEMA MODEL YDK29 6I 39...

Page 100: ...SPM 60K AUF 60CTR2SPM MODEL YYW95 8 8523 YYW95 8 8526 BLACK WHITE 64 12 BLACK BLUE 24 12 BLUE RED 14 15 BLACK YELLOW 62 12 60K AUF 60CTR2SPM1 MODEL SIC 71FW D8121 1 SIC 71FW D8121 2 DC Motor 60K AUF 6...

Page 101: ...it 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...

Page 102: ...K KI IN NG G C CO OM MP PO ON NE EN NT TS S FLOOR STANDING AIR CONDITIONER SERVICE MANUAL V3 2 100 T3Series 36K AUF 36HTR4FAM AUF 36HTR4FAMA Compressor model LHT53VBBC 36K AUF 36CTR2SEM Compressor mod...

Page 103: ...C CO OM MP PO ON NE EN NT TS S FLOOR STANDING AIR CONDITIONER SERVICE MANUAL V3 2 101 48K AUF 48HTR4FEM AUF 48HTR4FEMA AUF 48HTR4FEMB Compressor model C SBR145H15P 48K AUF 48HTR6FEM AUF 48HTR6FEMA Co...

Page 104: ...CO OM MP PO ON NE EN NT TS S FLOOR STANDING AIR CONDITIONER SERVICE MANUAL V3 2 102 48K AUF 48CTR2SPM Compressor model ZJ44KHE PFB 502 60K AUF 60CTR2SPM Compressor model C SBP140H16A 60K AUF 60CTR2SP...

Page 105: ...e value approaches static pressure value 3 Compressor motor winding abnormality Notes 1 Don t put a compressor on its side or turn over 2 Please assembly the compressor in your air conditioner rapidly...

Page 106: ...eter Test the resistance of winding The stepper motor is fault if the resistance of winding 0 short circuit or open circuit 6 FUSE Checking continuity of fuse on PCB ASS Y 1 Remove the PCB ASS Y from...

Page 107: ...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 gre...

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