Haier Group 1U35QA1ERA Service Manual Download

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SERVICE MANAUL

Wall Mounted Type

DC Inverter T-Series

1U35QA1ERA

Model No.

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.

Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or

Repair the product or products dealt with in this service information by anyone else could result in serious injury or death

WARNING

2016 (Qingdao Haier Air Conditioner General corp. , Ltd)

Haier Group

Version

：

Date

：

2016-10-30

Summary of Contents for 1U35QA1ERA

Page 1: ...ntial dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or Repair the product or products dealt with in this service information by anyone else could result in serious injury or death WARNING 2016 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthorized...

Page 2: ...nsors list 8 4 Piping diagrams 9 5 Operation range 10 6 Printed Circuit Board Connector Wiring Diagram 11 7 Functions and Control 8 Dimensional drawings 9 Conter of gravity 10 Service Diagnosis 11 Performance and cerves diagrams 12 Sound level 13 Circuit diagrams 15 52 44 31 30 30 53 ...

Page 3: ...ame explanation 1 1 U 3 Q A 1 E A R The maximum combination number Type of outdoor unit U normal type Nominal cooling capacity 3500W Platform of outdoor units Q Q platform Australia Version number Heat pump R410A refrigerant DC inverter Apply toT1 220 240V50Hz 1Ph 5 ...

Page 4: ...t before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the discharging refriger...

Page 5: ...e welder in an enclosed room can cause oxygen deficiency 1 2 2 Cautions Regarding Products after Repair Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equ...

Page 6: ...ified power cable can cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable can damage the cable Do not mix air or gas other than the specified refrigerant R 410A R22 in the refrigerant system If air enters the cooling system an excessively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to loc...

Page 7: ...an electrical shock or fire If the power cable and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires can cause an electrical shock excessive heat generation or fire Warning Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire...

Page 8: ... attention of the reader to specific information The meaning of each icon is described in the table below 1 2 5 Using Icons List Icon Type of Information Description Note Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution Caution A caution is used when there is danger that the reader through incorrect manipulati...

Page 9: ...r u s s e r p d n u o S B A d r e w o p d n u o S ELECTRICAL SPECIFICATIONS g n i t a e h g n i l o o c 4 9 4 5 A t n e r r u c g n i n n u r l a n i m o N Maximum running current A 5 6 6 9 1 2 1 2 A t n e r r u c g n i t r a t S TECHNICAL SPECIFICATIONS PARTS g n i t a e h g n i l o o c Compressor r o s s e r p m o C y r a t o R e p y T l e d o M 650 W t u p t u o r o t o M Oil type 27 0 L e m u ...

Page 10: ... data are based on the conditions shown in the table below h t g n e l g n i p i P g n i t a e h g n i l o o c Indoor 27 DB 19 WB Outdoor 35 DB 24 WB Indoor 20 DB Outdoor 7 DB 6 WB 5m 3 Sensors list type Description Qty Ambient sensor Its used for detecti 1 e d i s r o o d t u o f o e r u t a r e p m e t g n Suction sensor Its used for detecting suction pipe temperature of compressor to adjust gas...

Page 11: ...Pinping diagrams Domestic air conditioner 4 Pinping diagrams 9 EXV EXV ...

Page 12: ...Operation range Domestic air conditioner 5 Operation range 10 10 0 20 16 32 10 20 15 ...

Page 13: ... board 10 CN36 Connector for communicate between indoor and outdoor unit 11 CN15 Connector for electric expansion valves 12 CN50 Connector for DRED control 13 CN45 Connector for heating protect wire of terminal block Note 09K 12Kseries needn t connect with CN6 and CN7 Other Designations 1 FUSE 1 25A 250VAC FUSE 2 1A 250VAC 2 LED 1 Keep light representative normal if keep flash interval representat...

Page 14: ...Connector Wiring Diagram Domestic Air Conditioner 12 PCB 1 CN1 CN2 CN36 CN24 CN10 CN9 CN22 CN11 CN17 CN50 CN47 CN23 CN25 CN28 CN3 CN15 CN7 CN6 CN45 ...

Page 15: ...Connector Wiring Diagram Domestic Air Conditioner 13 PCB 2 12K CN2 CN3 CN4 CN5 CN6 CN7 CN11 CN10 CN1 CN8 CN9 ...

Page 16: ...Functions and control Domestic air conditioner Wiring diagrams 14 OUTDOOR WIRING DIAGRAM 0010581667 80 ...

Page 17: ...cy for protection should be prior to the calculated frequency The speed of increasing or decreasing the frequency rapidly 1 1HZ second The speed of increasing or decreasing the frequency slowly 2 1HZ 10seconds 1 The minimum maximum frequency limitation A While refrigerating ＦＭＡＸｒ is the maximum operation frequency of the compressor ＦＭ IN ｒ is the minimum operation frequency of the compressor B ...

Page 18: ... the number of running machines The calculation of the actual output frequency when there is no healthy airflow F F ED P K When the healthy airflow has been set F F ED P K airflow speed K healthy airflow When refrigerating it is needed to satisfy ＦＭIN ｄ F ＦＭＡＸｄ When heating it is needed to satisfy ＦＭIN r F ＦＭＡＸ r 7 1 2 The outdoor fan control exchange fan When the fan is changed among every a...

Page 19: ...way valve control see the defrosting process Four way working in other ways Under the mode of heating open the four way valve when the compressor is not started or changed to non heating mode make sure the compressor is stoped for 2 minutes and then close the four way valve Domestic air conditioner 17 17 During the compressor is started for 3 seconds the outdoor fan is controlled the airflow speed...

Page 20: ...ection of air blowing alarm malfunction to the indoor others don t last 7 1 5 2 TC high temperature preventing control of the indoor heating unit Tpg_indoor is the highest value of the effective indoor unit start it and it is in accord with the running state The indoor heat exchanger sensor tests the temperature of the indoor heat exchanger If the temperature is higher than 48 decrease the rotate ...

Page 21: ... decreases at the speed of 1HZ second During the starting process of the compressor if the AC current is greater than 11A the frequency of the compressor decreases at the speed of 0 1HZ second During the starting process of the compressor if the AC current is greater than 10A the frequency of the compressor increases at the prohibited speed During the starting process of the compressor if the AC c...

Page 22: ...pliance s malfunctions Annex 2 If there s malfunction with the outdoor unit the light of the outdoor unit will flash and its frequency is 1HZ the number of times is according to the table when a round of flashing is finished the light shoud be off for 5 seconds b For the units malfunctins Annex 1 If there s malfunction with the units this will not affect the run of the complete appliance but this ...

Page 23: ...rror E9 21 High work intense protection 24 Overcurrent of the compressor 25 Overcurrent protection for single phase of the compressor 36 The socket protect 7 2 Value of Thermistor Domestic air conditioner 7 2 1 Outdoor Unit Ambient Sensor Defrosting Sensor Pipe sensor R25 10KΩ 3 B25 50 3700K 3 Temp Max KΩ Normal KΩ Min KΩ Tolerance 30 165 2170 147 9497 132 3678 1 94 1 75 29 155 5754 139 5600 125 0...

Page 24: ...9 6112 1 49 1 40 6 43 5912 40 5800 37 7429 1 47 1 39 5 41 4249 38 6207 35 9739 1 45 1 37 4 39 3792 36 7676 34 2983 1 43 1 35 3 37 4465 35 0144 32 7108 1 41 1 33 2 35 6202 33 3552 31 2062 1 38 1 31 1 33 8936 31 7844 29 7796 1 36 1 29 0 32 2608 30 2968 28 4267 1 34 1 28 1 30 7162 28 8875 27 1431 1 32 1 26 2 29 2545 27 5519 25 9250 1 29 1 24 3 27 8708 26 2858 24 7686 1 27 1 22 4 26 5605 25 0851 23 67...

Page 25: ... 9687 5 7007 1 21 1 18 39 6 0170 5 7454 5 4812 1 25 1 22 40 5 7997 5 5316 5 2712 1 29 1 25 41 5 5914 5 3269 5 0704 1 33 1 29 42 5 3916 5 1308 4 8783 1 37 1 33 43 5 2001 4 9430 4 6944 1 41 1 36 44 5 0163 4 7630 4 5185 1 45 1 40 45 4 8400 4 5905 4 3500 1 49 1 44 46 4 6708 4 4252 4 1887 1 53 1 47 47 4 5083 4 2666 4 0342 1 57 1 51 48 4 3524 4 1145 3 8862 1 61 1 55 49 4 2026 3 9686 3 7443 1 65 1 59 50 ...

Page 26: ... 22 2 97 84 1 3730 1 2525 1 1415 3 27 3 01 85 1 3335 1 2153 1 1066 3 32 3 06 86 1 2953 1 1794 1 0730 3 38 3 10 87 1 2583 1 1448 1 0405 3 43 3 15 88 1 2226 1 1113 1 0092 3 48 3 19 89 1 1880 1 0789 0 9789 3 53 3 24 90 1 1546 1 0476 0 9497 3 58 3 28 91 1 1223 1 0174 0 9215 3 64 3 33 92 1 0910 0 9882 0 8942 3 69 3 37 93 1 0607 0 9599 0 8679 3 74 3 42 94 1 0314 0 9326 0 8424 3 80 3 46 95 1 0030 0 9061 ...

Page 27: ...474 2 90 2 42 24 9687 0270 8074 3787 6724 1389 2 88 2 41 23 9057 2314 7564 2244 6311 6413 2 87 2 41 22 8472 2852 7089 4741 5927 0206 2 86 2 40 21 7928 7217 6647 4547 5568 2222 2 84 2 39 20 7423 3626 6235 7109 5233 3554 2 83 2 39 19 6953 2930 5851 9864 4920 6791 2 82 2 38 18 6515 8375 5494 2064 4628 5894 2 80 2 37 17 6108 5393 5160 4621 4355 6078 2 79 2 37 16 5729 1413 4848 9963 4100 3708 2 77 2 36...

Page 28: ...65 2 24 2 02 18 807 3024 723 4134 647 6580 2 22 2 00 19 766 4212 687 8205 616 7252 2 20 1 99 20 727 8172 654 1596 587 4271 2 18 1 98 21 691 3524 622 3161 559 6694 2 16 1 96 22 656 8979 592 1831 533 3634 2 14 1 95 23 624 3328 563 6604 508 4261 2 12 1 93 24 593 5446 536 6540 484 7796 2 10 1 92 25 564 4275 511 0760 462 3510 2 09 1 90 26 536 9865 486 9352 441 1516 2 07 1 89 27 511 0105 464 0500 421 02...

Page 29: ...04 8443 99 7046 94 7315 1 28 1 23 63 100 6112 95 7939 91 1253 1 25 1 21 64 96 5692 92 0553 87 6735 1 23 1 19 65 92 7088 88 4805 84 3690 1 20 1 17 66 89 0211 85 0614 81 2048 1 18 1 15 67 85 4976 81 7908 78 1744 1 15 1 12 68 82 1303 78 6615 75 2715 1 13 1 10 69 78 9116 75 6668 72 4902 1 10 1 08 70 75 8343 72 8004 69 8249 1 08 1 06 71 72 8916 70 0561 67 2703 1 05 1 03 72 70 0770 67 4283 64 8213 1 03 ...

Page 30: ...7 108 20 3091 19 1582 18 0563 1 89 1 81 109 19 6899 18 5564 17 4723 1 93 1 85 110 19 0924 17 9761 16 9098 1 98 1 89 111 18 5157 17 4166 16 3680 2 02 1 93 112 17 9590 16 8769 15 8458 2 06 1 96 113 17 4214 16 3564 15 3427 2 10 2 00 114 16 9023 15 8542 14 8577 2 15 2 04 115 16 4010 15 3696 14 3902 2 19 2 08 116 15 9167 14 9020 13 9394 2 23 2 12 117 15 4489 14 4506 13 5047 2 27 2 16 118 14 9968 14 014...

Page 31: ...901 8 7441 8 0495 3 05 2 84 135 9 2322 8 4993 7 8175 3 09 2 88 136 8 9824 8 2623 7 5931 3 14 2 92 137 8 7404 8 0329 7 3760 3 19 2 96 138 8 5059 7 8108 7 1660 3 24 3 00 139 8 2787 7 5958 6 9629 3 29 3 04 140 8 0584 7 3875 6 7664 3 33 3 09 Domestic air conditioner 29 ...

Page 32: ...Dimensinal drawings Domestic air conditioner 8 Dimensional drawings 9 Center of gravity 30 720 780 597 290 290 720 12 7 3 4 unit mm unit mm 780 575 595 294 4 213 3 275 112 9 500 317 ...

Page 33: ...s stops Check the power supply A power failure of 2 to 10 cycles can stop air conditioner operation Equipment operates but does not cool or does not heat only for heat pump Check for faulty operation of the electronic expansion valve Set the units to cooling operation and compare the temperatures of the liquid side connection pipes of the connection section among rooms to check the opening and clo...

Page 34: ...er switch before connect or disconnect connector or else parts damage may be occurred Indoor and Outdoor E7 15 Communication fault between indoor and outdoor units Indoor Malfunction E1 Room temperature sensor failure E2 Heat exchange sensor failure E4 Indoor EEPROM error E14 Indoor fan motor malfunction Outdoor Malfunction F12 1 Outdoor EEPROM error F1 2 The protection of IPM F22 3 Overcurrent pr...

Page 35: ... LED1 flash 1 times Method of The Data detected by the MCU are used to determine MCU Malfunction Detection Malfunction when the data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed Faulty EEPROM data Causes Faulty EEPROM Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Thermistor resi...

Page 36: ...tdoor mainboard is well inserted Is it normal Yes NO Fasten the connection Power on the unit and turn into Cool mode check whether the motor can running Yes Measure whether the voltage between 3 and 6 is 0 5V approx Is it normal N0 The motor of the outdoor unit is damaged and needs replacing 1 Measure whether the voltage between 1 and 3 of the motor socket on the PCB is DC310V approx 2 Measure whe...

Page 37: ...s to faulty PCB of IPM module Compressor wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Turn on the unit whether the error is displayed before compressor start The power module is fault need replaced 1 The system may have been over or under charged with gas which can be judged through the pres...

Page 38: ...r switch before connect or disconnect connector or parts damage may be occurred Electrify the machine again and turn it on with the remote controller If malfunctions are reported before or upon the compressor being started up IPM Module is damaged and needs replacing Repair the power supply the system may have been over or under charged with gas which can be judged through the pressure of the meas...

Page 39: ... Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred 1 Check whether plug of MODULE COM and MODULE POWER on the outdoor PCB and IPM module is tight connected 2 Check whether the connection of P N wire between IPM and outdoor is tight Is the connection OK 1 Check whether the voltage between 1 and 2 of Module Power is about DC5V 2 Chec...

Page 40: ... specified Causes The IPM module is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Turn on the unit Check whether the compressor running normal Is it ok Yes The power supply is instability NO No Check whether the outdoor power supply is ok Yes Yes This question may be caused by the power Repair the power s...

Page 41: ... be occurred Turn on the unit Test WHETHER the compressor running normal the temperature exceeds 110 shortly after the machine starts up 1 The cryogen may have been leaked during installation or there may be leakage in the piping system 2 There may be other causes to make the exhaust temperature too high Malfunctions occur after running for some time even though the measured temperature is below 1...

Page 42: ...ing Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred LED LED 1 LED 2 Solution ON OFF OFF ON Outdoor PCB fault ON OFF ON ON This is caused by Outdoor PCB or Indoor PCB fault Change one part firstly if still unsolved change another one ON OFF OFF OFF This is caused by Outdoor PCB or Power module fault Change one part firstly if stil...

Page 43: ...ty compressor Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Turn on the unit Check whether the compressor can start 1 The wiring of compressor is incorrect or the connection is poor 2 The compressor is damaged Firstly the compressor start up soon the compressor stopped with the LED1 on the outdoor PCB blin...

Page 44: ... Insufficient gas Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Electrify the machine again and turn it on with the remote controller check whether the wind temperature is below 63 The malfunction is reported after the machine has run for some time 1 Check room temperature and pipe temperature sensor 2 the tempe...

Page 45: ...215 24 16 2263 2327 2287 2229 2125 2560 2818 2744 2701 2477 27 19 2392 2444 2392 2340 2210 2730 2990 2912 2808 2626 30 22 2561 2613 2567 2457 2340 2923 3161 3042 3019 2782 32 23 2659 2732 2616 2540 2392 3033 3271 3227 3055 2851 cooling value temerature table AS35TB1HRA 1U35QA1ERA performance curves 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 3500 cooling capacity W cooling capacity and indoo...

Page 46: ... 3361 3264 3020 24 16 3024 3089 3031 2962 2821 3502 3825 3720 3600 3330 27 19 3220 3290 3220 3150 2975 3675 4025 3920 3780 3535 30 22 3407 3500 3460 3345 3184 3892 4325 4221 3943 3723 32 23 3483 3582 3491 3511 3238 4017 4403 4313 4206 3842 cooling value temerature table AS35TB1HRA 1U35QA1ERA performance curves 2000 2500 3000 3500 4000 4500 cooling capacity W cooling capacity and indoor outdoor tem...

Page 47: ...1073 1129 24 16 916 936 918 897 453 643 813 982 1148 1230 27 19 947 968 947 926 465 656 839 1000 1181 1263 30 22 973 1000 988 956 497 695 901 1111 1232 1330 32 23 968 995 970 975 506 717 917 1135 1315 1372 power consumption value temp table AS35TB1HRA 1U35QA1ERA performance curves 100 300 500 700 900 1100 1300 1500 power consumption w indoor tempe DB WB power consumption temp curves 15 10 0 10 20 ...

Page 48: ... 3197 2949 7 8 4297 3896 3621 2 1 4739 4279 3881 7 6 4471 4129 3514 12 11 4002 3687 3214 18 16 3275 3088 2707 24 20 2627 2361 2106 indoor temp humidity 46 heating capacity and indoor outdoor temp table AS35TB1HRA 1U35QA1ERA performance curves 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 heating capacity W heating capacity and indoor outdoor temp curves 15 20 25 ...

Page 49: ... 8 1257 1396 1536 2 1 1223 1359 1494 7 6 971 1079 1187 12 11 670 745 819 18 16 515 572 629 24 20 363 404 444 indoor temp humidity 46 power consumption value temp table AS35TB1HRA 1U35QA1ERA performance curves 0 200 400 600 800 1000 1200 1400 1600 1800 15 10 7 8 2 1 7 6 12 11 18 16 24 20 cooling capacity w outdoor tempe DB WB heating capacity and indoor outdoor temp curves 15 20 25 ...

Page 50: ...114 2168 2255 10 2115 2196 2318 20 2161 2282 2398 25 2422 2538 2679 30 2639 2738 2877 35 2705 2852 3030 40 3133 3280 3401 46 3522 3708 3933 AS35TB1HRA 1U35QA1ERA performance curves cooling discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 15 10 0 10 20 25 30 35 40 46 DISCHARGE PRESSURE Outdoor Temp COOLING DISCHARGE PRESSURE 21 15 27 19 32 23 ...

Page 51: ...6 936 0 717 814 945 10 724 856 955 20 732 865 1005 25 770 874 1015 30 778 883 1026 35 819 910 1047 40 901 1001 1151 46 991 1131 1324 AS35TB1HRA 1U35QA1ERA performance curves cooling suction pressure table indoor temp 350 550 750 950 1150 1350 1550 15 10 0 10 20 25 30 35 40 46 SUCTION PRESSURE Outdoor Temp COOLING SUCTION PRESSURE 21 15 27 19 32 23 ...

Page 52: ...530 2663 2769 7 8 2925 3048 3172 2 1 3132 3304 3442 7 6 3072 3208 3344 12 11 2976 3112 3274 18 16 2741 2925 2992 24 20 2354 2486 2577 AS35TB1HRA 1U35QA1ERA performance curves Heating discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 25 20 15 10 7 8 2 1 7 6 12 11 18 16 24 20 DISCHARGE PRESSURE Outdoor Temp HEATING DISCHARGE PRESSURE 15 20 25 ...

Page 53: ... 7 8 509 545 563 2 1 628 664 682 7 6 761 797 815 12 11 866 902 920 18 16 1033 1069 1087 24 20 1219 1255 1273 AS35TB1HRA 1U35QA1ERA performance curves heating discharge pressure table indoor temp 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 25 20 15 10 7 8 2 1 7 6 12 11 18 16 24 20 SUCTION PRESSURE Outdoor Temp HEATING SUCTION PRESSURE 15 20 25 ...

Page 54: ...el 1U12QA1ERA 32 54 H M L Octave band center frequency Hz Octave band center frequency Hz Octave band sound pressure level dB 0dB 0 0002 µ bar Octave band sound pressure level dB 0dB 0 0002 µ bar 12 52 40 36 32 ...

Page 55: ...Circuit diagrams Domestic air conditioner 13 Circuit diagrams 13 1 Outdoor unit control board Circuit Diagrams 53 ...

Page 56: ...Circuit diagrams Domestic air conditioner 13 Circuit diagrams 13 1 Outdoor unit control board Circuit Diagrams 54 ...

Page 57: ...Circuit diagrams Domestic air conditioner 13 2 Module board Circuit Diagram 55 ...

Page 58: ...it diagrams Domestic air conditioner Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China_ Http www haier com Edited by Signed by Approved by Zou Na He shiquan Zhang junyan ...

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