Haier 1U18TR4ERA Service Manual Download Page 3

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Introduction

Domestic air conditioner

1. Introduction

1.1 Model name explanation

The maximum combination number

Type of outdoor unit : U (normal type)

Nominal cooling capacity (18000BTU/h)

Platform of outdoor units: 40 (40 platform)

Europe

Version number

Heat pump & R410A refrigerant

DC inverter

Apply toT1; 220~240V50HZ/1ph

Summary of Contents for 1U18TR4ERA

Page 1: ...l 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 2015 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthorized cop...

Page 2: ...ns 7 3 Sensors 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 Center of gravity 10 Service diagnosis 11 Performance and curves diagrams 12 Circuit diagrams 15 48 30 29 29 56 ...

Page 3: ...e explanation 1 U 1 8 E E 8 E A R The maximum combination number Type of outdoor unit U normal type Nominal cooling capacity 18000BTU h Platform of outdoor units 40 40 platform Europe Version number Heat pump R410A refrigerant DC inverter Apply toT1 220 240V50HZ 1ph 1 ...

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: ... 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 locate the leak and repair it before charging the refrigerant After charging refrigerant make sure that there is no refrigerant leak If the leak cannot be located and the repair w...

Page 7: ...operly and if the connections at the soldered or crimped terminals are secure Improper installation and connections can cause excessive heat generation fire or an electrical shock If the installation platform or frame has corroded replace it Corroded installation platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grou...

Page 8: ...cks Caution Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning Warning A warning is used when there is danger of personal injury Reference A reference guides the reader to other places in this binder or in this manual where he she will find additional in...

Page 9: ...D mm 920 351 720 33 5 G K t h g i e W 37 G K t h g i e w s s o r G Sound level 51 e r u s s e e p d n u o S ELECTRICAL SPECIFICATIONS g n i t a e h g n i l o o c 7 0 6 7 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 9 8 10 2 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 SNB130YGMC l e d o M 25 7 W t u p t u o r...

Page 10: ...argeless m 7 Amount of Additional Charge of Refrigerant g m 20 Intemational Protection degree IP 24 Note the data are based on the conditions shown in the table below cooling heating Piping length 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 Defr...

Page 11: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9 EEV EEV ...

Page 12: ...Operation range Domestic air conditioner 5 Operation range 10 ...

Page 13: ...icate between the control board and the module board 9 CN26 CN24 Connector to P and N of the module board 10 CN4 Connector for communicate between indoor and outdoor unit PCB 2 Module PCB For 1U18EE8ERA CN10 Connector for the DC power 5V and 15V form the control PCB CN11 Connector for communicate between the control board and the module board P CN1 N CN5 Connector for capacitance board LI CN7 LO C...

Page 14: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1 CN26 CN22 CN1 CN2 CN3 CN23 CN24 CN4 CN10 CN21 CN9 CN8 CN19 ...

Page 15: ...Printed circuit board connector wiring diagram 13 Domestic air conditioner PCB 2 CN6 CN7 CN10 CN3 CN2 CN1 CN11 CN5 CN4 ...

Page 16: ...r plug off danger of electric shock The capacitor retains high voltage even after the plug off For your safety be sure to wait at least 5 minutes after plug off and use a tester to confirm the voltage between connector P and N on module board is less than DC 10V before start servicing WARNING CAUTION B BLACK BL BLUE R RED W WHITE Y G YELLOW GREEN OR ORANGE BR BROWN Remark the dotted parts are opti...

Page 17: ...e prior to the calculated frequency 7 1 1 3 The speeds of increasing or decreasing the frequency of the compressor The speed of increasing or decreasing the frequency rapidly 1 1HZ second The speed of increasing or decreasing the frequency slowly 2 1HZ 10seconds 7 1 1 4 The calculation of the compressor s frequency 1 The minimum maximum frequency limitation A While refrigerating F MAX r is the max...

Page 18: ...e and under the condition of maximum ability the maximum designing ability of the system ΔT ΔTi Pi Pi ΔTi Tst_i the setting temperature Tnh_i the indoor environment temperature Pi i the ability of the indoor unit Refrigeration dehumidification Heating mode K Ki Pi Pi The calculation of the actual output frequency when there is no healthy airflow F F ED rated frequency P K When the healthy airflow ...

Page 19: ...22 Medium 14 Ta 16 Keeping the speed Ta 14 High 7 1 3 The control of the outdoor Electronic expansion valve EEV 09K series have no this function In cooling mode the EEV opening range is 90 480 steps The EEV opening is 5 steps when unit is off In heating mode the EEV opening range is 60 480 steps The EEV opening is 45 steps when unit is off After outdoor unit is off the EEV opening keep the current...

Page 20: ...od for each time continuously sampling for 8 times then order them and take the mean value of the middle 2 values take the mean value TTC Abnormal stop 110 Decreasing the frequency rapidly 1HZ second 100 Decreasing the frequency slowly 1HZ 10seconds 98 The frequency doesn t change 93 Increasing the frequency 1HZ 10second 90 Increasing the frequency 1HZ 1second TTC 110 lasts for 20 seconds Overheat...

Page 21: ...mpressor if the AC current is greater than 7A the frequency of the compressor increases at the prohibited speed During the starting process of the compressor if the AC current is greater than 6 5A the frequency of the compressor increases at the speed of no faster than 0 1HZ second 7 1 5 4 The protection function of AC current During the starting process of the compressor if the AC current is grea...

Page 22: ...3 the frequency of the compressor increases at the speed of 1HZ 10seconds For example Tpg_indoor 0 last for 2 minutes and then the outdoor unit will stop and report underload malfunction but don t send malfunction report to the indoor The compressor stops for more than 3 minutes Tpg_indoor ice_temp_3 2 the compressor recovers 7 1 5 6 The frequency limitation of modification rate In the field which...

Page 23: ...62 19 87 2775 79 6222 72 5729 1 74 1 60 18 82 5577 75 4384 68 8710 1 72 1 59 17 78 1230 71 5010 65 3815 1 70 1 57 16 73 9543 67 7939 62 0907 1 68 1 55 15 70 0342 64 3023 58 9863 1 66 1 54 14 66 3463 61 0123 56 0565 1 64 1 52 13 62 8755 57 9110 53 2905 1 62 1 51 12 59 6076 54 9866 50 6781 1 60 1 49 11 56 5296 52 2278 48 2099 1 58 1 47 10 53 6294 49 6244 45 8771 1 56 1 46 9 50 8956 47 1666 43 6714 1...

Page 24: ...14 0 78 0 78 24 10 7475 10 4216 10 0964 0 75 0 75 25 10 3000 10 0000 9 7000 0 75 0 75 26 9 8975 9 5974 9 2980 0 76 0 76 27 9 5129 9 2132 8 9148 0 80 0 80 28 9 1454 8 8465 8 5496 0 84 0 83 29 8 7942 8 4964 8 2013 0 87 0 86 30 8 4583 8 1621 7 8691 0 91 0 90 31 8 1371 7 8428 7 5522 0 95 0 93 32 7 8299 7 5377 7 2498 0 98 0 97 33 7 5359 7 2461 6 9611 1 02 1 00 34 7 2546 6 9673 6 6854 1 06 1 04 35 6 985...

Page 25: ...2 0695 1 9147 2 49 2 34 69 2 1652 2 0032 1 8516 2 54 2 38 70 2 0983 1 9393 1 7908 2 59 2 42 71 2 0337 1 8778 1 7324 2 63 2 46 72 1 9714 1 8186 1 6761 2 68 2 50 73 1 9113 1 7614 1 6219 2 73 2 54 74 1 8533 1 7064 1 5697 2 78 2 58 75 1 7974 1 6533 1 5194 2 83 2 63 76 1 7434 1 6021 1 4710 2 88 2 67 77 1 6913 1 5528 1 4243 2 92 2 71 78 1 6409 1 5051 1 3794 2 97 2 75 79 1 5923 1 4592 1 3360 3 02 2 80 80...

Page 26: ...2 0 6361 0 5667 0 5043 4 80 4 31 113 0 6200 0 5518 0 4907 4 86 4 36 114 0 6043 0 5374 0 4775 4 92 4 41 115 0 5891 0 5235 0 4648 4 98 4 45 116 0 5743 0 5100 0 4524 5 04 4 50 117 0 5600 0 4968 0 4404 5 10 4 55 118 0 5460 0 4841 0 4288 5 16 4 60 119 0 5325 0 4717 0 4175 5 22 4 65 120 0 5194 0 4597 0 4066 5 28 4 70 Discharging Sensor R80 50KΩ 3 B25 80 4450K 3 Temp Max KΩ Normal KΩ Min KΩ Tolerance 30 ...

Page 27: ...3 6024 2 55 2 23 0 2167 2730 1887 0018 1641 4966 2 53 2 22 1 2045 9191 1784 3336 1554 7931 2 52 2 21 2 1932 0242 1687 8144 1473 1460 2 50 2 20 3 1825 0899 1597 0431 1396 2333 2 48 2 19 4 1724 6540 1511 6468 1323 7551 2 47 2 17 5 1630 2870 1431 2787 1255 4324 2 45 2 16 6 1541 5904 1355 6163 1191 0048 2 43 2 15 7 1458 1938 1284 3593 1130 2298 2 41 2 14 8 1379 7528 1217 2282 1072 8813 2 40 2 13 9 130...

Page 28: ... 9065 1 71 1 61 44 228 4809 212 4060 197 2844 1 69 1 59 45 218 3860 203 2887 189 0648 1 67 1 57 46 208 7855 194 6066 181 2273 1 65 1 55 47 199 6531 186 3369 173 7524 1 63 1 54 48 190 9639 178 4584 166 6217 1 60 1 52 49 182 6945 170 9508 159 8181 1 58 1 50 50 174 8228 163 7951 153 3249 1 56 1 48 51 167 3280 156 9733 147 1268 1 53 1 46 52 160 1904 150 4683 141 2090 1 51 1 44 53 153 3914 144 2641 135...

Page 29: ... 07 1 06 88 38 9643 37 5045 36 0668 1 11 1 09 89 37 6569 36 2078 34 7831 1 14 1 13 90 36 3996 34 9622 33 5513 1 18 1 16 91 35 1903 33 7653 32 3689 1 22 1 19 92 34 0269 32 6151 31 2338 1 26 1 23 93 32 9075 31 5096 30 1438 1 30 1 27 94 31 8302 30 4467 29 0970 1 33 1 30 95 30 7933 29 4246 28 0915 1 37 1 34 96 29 7950 28 4417 27 1254 1 41 1 37 97 28 8337 27 4961 26 1970 1 45 1 41 98 27 9078 26 5864 25...

Page 30: ...31 12 0503 11 2003 2 54 2 39 124 12 5840 11 6965 10 8617 2 58 2 43 125 12 2270 11 3545 10 5348 2 63 2 47 126 11 8817 11 0240 10 2191 2 68 2 51 127 11 5475 10 7046 9 9142 2 72 2 55 128 11 2242 10 3957 9 6197 2 77 2 59 129 10 9112 10 0970 9 3352 2 81 2 63 130 10 6084 9 8082 9 0602 2 86 2 67 131 10 3151 9 5288 8 7945 2 91 2 71 132 10 0312 9 2586 8 5378 2 95 2 75 133 9 7563 8 9971 8 2895 3 00 2 80 134...

Page 31: ...Dimensinal drawings Domestic air conditioner 8 Dimensional drawings 9 Center of gravity 29 4 0 0 4 0 0 4 unit mm unit mm 780 ...

Page 32: ...ion error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages Parameter of primary electronic appliance e r u t c i p r e t e m a r a p e m a n Compressor Rated voltage 220 230V Rated current 4 8A Rated frequency 50 60HZ Fan motor Rated voltage 220 230V Rated current 0 2A Rated frequency 50 60HZ Reactor Rated voltage 220 230V...

Page 33: ...ipment 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 closing operation of the electronic expansion valves of the individual units Diagnosis by service port pre...

Page 34: ...r Page 32 F1 2 The protection of IPM Page 36 F22 3 Overcurrent protection of AC electricity for the outdoor model Page 37 F3 4 Communication fault between the IPM and outdoor PCB Page 39 F19 6 Power voltage is too high or low Page 40 F4 8 Overheat protection for Discharge temperature Page 41 F21 10 Defrost temperature sensor failure Page 31 F7 11 Suction temperature sensor failure Page 31 F6 12 Am...

Page 35: ...input is more than 4 92V or less than 0 08V during compressor Decision operation Conditions z Note The values vary slightly in some models Supposed Faulty connector connection Causes Faulty thermistor Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Thermistor resistance check method Remove the connector...

Page 36: ...ta detected by the EEPROM 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 Replace the indoor or outdoor mainboard ...

Page 37: ...faulty indoor unit PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred Check whether terminals on indoor pcb is well Electrify the machine again and turn it on in the cooling operation Measure voltage between the positions 1and 3 of Terminal CN5 on the indoor PCB the voltage is about 90 220vac check whether motor ...

Page 38: ...ng condition and so on Malfunction Detection Malfunction when the data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed DC fan motor protection dues to the DC fan motor faulty Causes DC fan motor protection dues to faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred ...

Page 39: ...an run Yes Measure the voltage between 3 and 6 of the terminal about 0 5v Is it normal N0 the motor of the outdoor unit is damaged and needs replacing Measure the voltage between 1 and 3 of the terminal of fan motor on the mainboard about DC310V Measure the voltage between 3 and 4 of the terminal about DC15V Measure the voltage between 5 and 3 of the terminal about 1 6v NO Is it normal The mainboa...

Page 40: ... 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 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 1 The system may have ...

Page 41: ...r is too high Malfunction Detection Malfunction when the IPM Module is damaged Decision or the compressor is damaged Conditions power supply voltage is too low or too high Supposed Faulty IPM Module Causes Faulty compressor Faulty power supply Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred ...

Page 42: ...ressor 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 measuring system YES NO Yes NO The compressor is started normally but malfunctions are reported after it has run for some time Check the power supply is too low or too high NO ...

Page 43: ...ted Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred 1 Check whether Terminal CN23 and CN24 on the outdoor mainboard CN10 and CN11 on IPM module 2 Check whether the connected wire between IPM and outdoor Are they good Electrify the machine again and turn it on Check whether the voltage between 1 and 2 of Terminal C...

Page 44: ...pply voltage not as specified Causes the IPM module is broken the outdoor PCB is broken 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 compressor is started normally Is it ok Yes Maybe there is some disturbance NO No 230 is ok...

Page 45: ...red Electrify the machine again and turn it on with the remote controller then measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit 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 t...

Page 46: ...sconnected Causes The indoor PCB is broken The outdoor PCB is broken The Module PCB is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or else parts damage may be occurred NO A Yes NO Yes No YES Restart the a c and it becomes normally If starting up normally but malfunction occurs again after a while Check whether the linking cable between the...

Page 47: ...outdoor unit with a multimeter If 230VAC is available but 310DC not the power module is damaged replace it with a new one Test the outdoor power supply 230VAC and 310VDC with a multimeter The outdoor mainboard is damaged replace it with a new one The indoor mainboard is damaged replace it with a new one If the value varies between 0 and 80 VAC the outdoor mainboard is damaged replace it with a new...

Page 48: ...r Faulty PCB Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Within 3 minutes after the machine is supplied with power and turned on with the remote controller check whether the compressor can start up 1 The wiring of compressor is incorrect or the connection is poor 2 The compressor is damaged At first the compressor ...

Page 49: ...irty heat exchanger Faulty heat exchange sensor 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 65 The malfunction is reported after the machine has run for some time 1 Check room temp...

Page 50: ... 2289 2580 2447 2422 2265 27 19 2318 2273 2215 2132 2588 2844 2739 2646 2513 30 22 2444 2392 2340 2210 2730 2990 2912 2808 2626 32 23 2558 2576 2503 2323 2877 3181 3087 2984 2812 35 24 2647 2628 2595 2469 2974 3294 3195 3079 2847 cooling value temerature table performance curves outdoor temp 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 3500 cooling capacity W cooling capacity and indoor outdo...

Page 51: ...25 611 389 533 697 842 992 1059 27 19 702 689 671 425 591 767 900 1056 1146 30 22 719 704 688 430 607 776 926 1093 1169 32 23 731 736 715 452 640 826 1012 1162 1252 35 24 735 730 721 481 662 855 1048 1199 1267 power consumption value temp table performance curves outdoor temp 100 300 500 700 900 1100 1300 1500 power consumption w indoor temp DB WB power consumption and temp curves 10 15 20 25 30 3...

Page 52: ...95 1999 2109 20 1974 2025 2094 25 2030 2104 2224 30 2185 2341 2431 35 2437 2499 2630 38 2580 2683 2821 40 2872 3025 3186 43 3264 3419 3574 performance curves cooling discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 10 15 20 25 30 35 38 40 43 discharge pressure Kpa outdoor temp DB WB cooling discharge pressure and temp curves 21 15 27 19 35 24 50 ...

Page 53: ...7 8 6 4 7 20 4 2 0 1 1 9 8 3 5 7 25 5 4 0 1 0 0 9 3 9 7 30 6 5 0 1 7 4 9 5 3 8 35 1 1 1 1 6 5 9 3 4 8 38 4 3 1 1 6 8 9 7 8 8 40 976 1085 1247 43 1074 1171 1360 indoor temp performance curves cooling suction pressure table 350 550 750 950 1150 1350 1550 10 15 20 25 30 35 38 40 43 suction pressure Kpa outdoor temp DB WB cooling suction pressure and temp curves 21 15 27 19 35 24 51 ...

Page 54: ...5 2 7 2 7 2 8 0 0 3 2 1 4 7 5 2 8 3 8 2 6 1 2 3 7 6 2 7 5 2 0 9 8 2 0 3 1 3 12 11 0 5 2 2 1 8 5 2 2 0 8 2 18 16 5 9 8 1 1 6 1 2 2 9 2 2 24 20 4 7 4 1 3 5 6 1 9 3 8 1 indoor temp humidity 46 heating capacity and indoor outdoor temp table performance curves 0 500 1000 1500 2000 2500 3000 3500 heating capacity W heating capacity and indoor outdoor temp curves 10 20 27 outdoor temp DB WB 52 ...

Page 55: ... 8 7 8 2 9 9 4 4 9 8 8 8 2 1 9 1 0 1 1 7 9 2 2 9 7 6 4 3 9 0 9 8 4 5 8 12 11 5 1 7 0 5 6 4 0 6 18 16 9 4 5 9 9 4 9 4 4 24 20 7 8 3 2 5 3 7 1 3 indoor temp humidity 46 power consumption value temp table performance curves 0 200 400 600 800 1000 1200 15 10 7 8 2 1 7 6 12 11 18 16 24 20 cooling capacity w outdoor temp DB WB heating capacity and indoor outdoor temp curves 10 20 27 53 ...

Page 56: ... 4 3 3 2 9 1 3 2 1 9 8 7 3 6 2 6 3 3 2 3 3 7 6 4 2 6 3 0 2 5 3 3 7 3 3 12 11 1 9 5 3 4 1 4 3 8 4 2 3 18 16 1 7 3 3 0 1 2 3 3 6 0 3 24 20 5 7 8 2 8 2 7 2 0 8 5 2 performance curves heating discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 15 10 7 8 2 1 7 6 12 11 18 16 24 20 discharge pressure Kpa outdoor temp DB WB heating discharge pressure and temp curves 10 20 27 54 ...

Page 57: ...3 3 5 4 9 4 2 1 2 7 6 2 5 6 3 1 6 7 6 5 0 8 5 8 7 6 4 7 12 11 6 0 9 6 8 8 7 4 8 18 16 1014 1053 1073 24 20 1200 1239 1259 performance curves heating suction pressure table indoor temp 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 15 10 7 8 2 1 7 6 12 11 18 16 24 20 suction pressure Kpa outdoor temp DB WB heating suction pressure and temp curves 10 20 27 55 ...

Page 58: ...037AK R60 10K R61 2K R59 2K R53 10K R52 10K R51 10K COOL HEAT TXD 5V R68 1K R69 1K 白 ERROR 黄绿 1 2 CN32 TEST SS GND 12V J6 5V 5V J7 15V 15V J8 J10 C19 104 50V J15 J16 R92 0 R93 0 J17 J19 J23 J32 J33 1 2 4 3 SW1 R95 10K R96 10K 5V 1 2 3 4 CN7 R98 10K 5V MODE RST 5V GND FLASH 白 R97 10K R46 0 J4 J5 J22 J35 J37 J38 R99 0 C16 Comment 472 50V J20 N2 Comment 2SC2412K R100 4 7K R101 4 7K R42 20K CX8 103 27...

Page 59: ...0K 2W C4 102 50V CY8 472 1KV CX5 104 275V D9 ER202 D10 ER106 D8 ER106 4 3 1 2 IC2 PC817A R20 1K 1W R21 220 N P 5V S OCP 1 BR 2 GND 3 FB 4 D ST 8 D ST 7 NC 6 VCC 5 IC1 STR A6059H 1 3 9 8 7 T1 EI22 R25 2K C7 104 50V C6 104 50V 1 2 3 CN22 模块板电源蓝 R27 750K 1206 R28 750K 1206 R29 750K 1206 R26 750K 1206 R33 100K R34 1M C8 102 50V 1 CN26 P 1 CN24 N CX6 105 275VAC R23 220K 2W LED2 POWER 250插片 250插片 P N E...

Page 60: ...R018 4 7K R016 1K R012 4 7K R011 4 7K R004 4 7K R019 4 7K R213 100 1 2 3 4 5 6 7 8 IC4 HA1630D06 IC4 HA1630D06 R206 1K R205 1K R203 1K R204 6 2K R201 1K R202 6 2K 1 2 3 4 5 6 7 8 5V 5V 1 2 3 CN11 通讯 TR2 2SA1037AK PC1 PC817A PC2 PC817A TR3 MMBT9013 C018 103 C016 472 C017 223 C014 102 C032 104 C036 104 C023 224 C015 102 C034 104 C001 104 5V C413 100U 25V D203 US1M D202 US1M D201 US1M C412 22U 25V C4...

Page 61: ...ms 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 Jing Yanqin Yang Xiaodong He S hiquan Wu Hongjin ...

Page 62: ...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 2017 Qingdao Haier Air Conditioner General corp Ltd All rights reserved Unauthorized copying and distribution is a ...

Page 63: ...Domestic air conditioner Removal of procedure 1 Removal of Outdoor panel 1 ...

Page 64: ...Domestic air conditioner Loosen the top panel screws 1 2 Lift the top panel Removal of procedure 2 ...

Page 65: ...Domestic air conditioner Loosen the screws and pull the panel Removal of procedure 3 ...

Page 66: ...Domestic air conditioner 2 Removal of Electrical Box Removal of procedure 4 ...

Page 67: ...Domestic air conditioner 3 Removal of Fan and Fan Motor Removal of procedure 5 ...

Page 68: ...Domestic air conditioner 2 Loosen the fixing screws and remove the motor Removal of procedure 6 ...

Page 69: ...Domestic air conditioner 4 Removal of Fan Motor Bracket and Partition Removal of procedure 7 ...

Page 70: ...Domestic air conditioner and remove the reactor Loosen the screw Removal of procedure 8 ...

Page 71: ...Domestic air conditioner Loosen the marked screws and pull out the backgurd 5 Removal of Compressor and Heat Exchanger Removal of procedure 9 ...

Page 72: ...Domestic air conditioner 4 Remove the compre ssor and pipe assay 5 Remove the conden ser Removal of procedure 10 ...

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Haier 1U18TR4ERA, Service Manual

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