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SERVICE MANUAL

Wall Mounted Type

DC Inverter  T-Series

1U26BA1ERA

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)

All rights reserved. Unauthorized copying and distribution is a violation of law

Haier Group

Version

V1

Date

2016-10-30

Summary of Contents for T-Series

Page 1: ...tial 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...

Page 2: ...sors 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 Perf...

Page 3: ...me explanation 1 1 U 2 6 B A 1 E A R The maximum combination number Type of outdoor unit U normal type Nominal cooling capacity 2600W Platform of outdoor units B B platform Australia Version number He...

Page 4: ...et 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 con...

Page 5: ...he 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 appro...

Page 6: ...dified 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 specifi...

Page 7: ...n 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 f...

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 informati...

Page 9: ...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 3 6 3 2 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 3 6 3 1 0 1 0 A t n e r r u c...

Page 10: ...the 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 Conversation...

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

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

Page 13: ...four way valve coil 7 CN17 CN47Connector for therm istors 8 CN24 Connector for com m unicate between the control board and the m odule board 9 CN26 CN27 Connector to P and N of the m odule board 10 C...

Page 14: ...Connector Wiring Diagram Domestic Air Conditioner 13 CN1 CN2 CN36 CN24 CN10 CN9 CN22 CN11 CN17 CN50 CN47 CN23 CN26 CN27 CN3 CN15 CN7 CN6...

Page 15: ...Connector Wiring Diagram Domestic Air Conditioner PCB 2 09K CN2 CN3 CN4 CN5 CN6 CN7 CN11 CN10 CN1 CN8 CN9 14...

Page 16: ...Functions and control Domestic air conditioner Wiring diagrams 15 OUTDOOR WIRING DIAGRAM 0010588937A...

Page 17: ...ined frequency 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 s...

Page 18: ...de K Ki 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 healt...

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 sur...

Page 20: ...ction 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...

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 t...

Page 22: ...liance 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...

Page 23: ...error 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 condit...

Page 24: ...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...

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 5 016...

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 0 978...

Page 27: ...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...

Page 28: ...5 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 533 363...

Page 29: ...4 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...

Page 30: ...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 42...

Page 31: ...01 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 0...

Page 32: ...Dimensinal drawings Domestic air conditioner 8 Dimensional drawings 1U09BA1ERA 9 Center of gravity 31 720 780 540 245 245 720 12 7 3 4 unit mm unit mm 780 520 540 294 4 213 3 245 112 9 500 266...

Page 33: ...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 o...

Page 34: ...r 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 temperatur...

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 Supp...

Page 36: ...door 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...

Page 37: ...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...

Page 38: ...f power 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...

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 modu...

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 wh...

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...

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 c...

Page 43: ...y 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 ca...

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 th...

Page 45: ...5 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...

Page 46: ...809 24 16 684 704 688 672 317 460 578 690 815 889 27 19 704 719 704 688 329 464 593 707 836 893 30 22 716 737 725 700 353 488 620 764 890 962 32 23 732 740 742 707 357 513 663 806 920 998 power consum...

Page 47: ...448 2238 2064 7 8 3008 2727 2535 2 1 3317 2996 2717 7 6 3130 2890 2460 12 11 2802 2581 2250 18 16 2292 2161 1895 24 20 1839 1653 1474 indoor temp humidity 46 heating capacity and indoor outdoor temp t...

Page 48: ...995 7 8 880 978 1075 2 1 856 951 1046 7 6 680 756 831 12 11 469 521 574 18 16 360 400 440 24 20 254 283 311 indoor temp humidity 46 power consumption value temp table AS26TB1HRA 1U26BA1ERA performance...

Page 49: ...03 2168 2288 10 2135 2196 2308 20 2190 2282 2397 25 2406 2538 2632 30 2639 2738 2879 35 2717 2852 2962 40 3193 3280 3398 46 3617 3708 3834 AS26TB1HRA 1U26BA1ERA performance curves cooling discharge pr...

Page 50: ...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 AS26TB1HRA 1U26BA1ERA performance curves cooling suction pressure ta...

Page 51: ...05 2663 2772 7 8 2890 3048 3136 2 1 3159 3304 3446 7 6 3006 3208 3309 12 11 2988 3112 3232 18 16 2738 2925 2996 24 20 2378 2486 2557 AS26TB1HRA 1U26BA1ERA performance curves Heating discharge pressure...

Page 52: ...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 AS26TB1HRA 1U26BA1ERA performance curves heating discharge pressure table indoor temp 0 100...

Page 53: ...vel 1U26BA1ERA 32 53 H M L Octave band center frequency Hz Octave band center frequency Hz Octave band sound pressure level dB 0dB 0 0002 bar Octave band sound pressure level dB 0dB 0 0002 bar 12 52 3...

Page 54: ...P45 36 TXD1 INT2 P66 37 RXD1 INT3 P67 38 CLK1 CLK2 P65 39 RXD2 P64 40 TXD2 P63 41 TBO P31 42 TAO P30 43 KI3 AN11 P13 46 KI2 AN10 P12 47 P26 TDIOC 1 17 P25 TDIOB 1 18 P24 TDIOA1 19 P23 TDIOD0 20 P17 TA...

Page 55: ...Vac 275Vac CY15 222 250Vac 275Vac 5 1K 1 R19 10K R18 1K R22 15 R20 10K 1206 R21 10nF C4 2 1W R9 47 1 4W R15 MBR3100 D8 470uF 25V 105 E7 100nF C8 1K 1 2W R16 MBR1100 D7 470uF 25V 105 E5 47 R23 20uH 2A...

Page 56: ...t 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 j...

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