Airwell AW-YHDM012-H91 Service Manual Download Page 44 | Manualshive

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Service diagnosis

43

Domestic air conditioner

10.3.10 The communication fault between indoor and outdoor

Indoor display

ƵƵƾ

E7

outdoor display LED1 flash 15 times

Method of Communication is detected by checking the indoor PCB and the outdoor PCB.
Malfunction
Detection

Malfunction

Ŷ

The outdoor PCB broken leads to communication fault.

Decision

Ŷ

The indoor PCB broken leads to communication fault.

Conditions

Supposed

Ŷ

Communication wiring disconnected.

Causes

Ŷ

The indoor PCB is broken.

Ŷ

The outdoor PCB is broken.

Ŷ

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.

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Summary of Contents for AW-YHDM012-H91

Page 1: ...t 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 ...

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: ...cket 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 refri...

Page 4: ...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 5: ...s 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 ...

Page 6: ...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 7: ...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 8: ...ound level 46 e r u s s e e p d n u o S 61 B 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 8 5 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 7 1 7 1 0 1 0 1 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 KVB102FEUMC l e d o M 650 W t u p t u o r o...

Page 9: ... m 10 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 ć ć Outdoor 35 DB 24 WB ć ć Indoor 20 DB ć Outdoor 7 DB 6 WB ć ć 5m 3ˊSensors 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...

Page 10: ...Pinping diagrams Domestic air conditioner 4ˊPiping diagrams 9 EEV EEV ...

Page 11: ... Operation range Domestic air conditioner 5ˊOperation range 10 ...

Page 12: ...rol board and the module board 9 CN26 CN27 Connector to N and P of the module board 10 CN5 Connector for communicate between indoor and outdoor unit 11 CN15 Connector for electric expansion valves PCB 2 Module PCB For AW YHDM012 H91 CN10 Connector for the DC power 5V and 15V form the control PCB CN11 Connector for communicating between the control board and the module board P CN1 N CN5 Connector f...

Page 13: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1 CN6 CN7 CN1 CN2 CN26 CN27 CN23 CN24 CN9 CN10 CN5 CN3 CN11 CN15 CN47 CN17 CN22 ...

Page 14: ...Printed circuit board connector wiring diagram 13 Domestic air conditioner PCB 2 CN6 CN7 CN10 CN3 CN2 CN1 CN11 CN5 CN4 ...

Page 15: ...Functions and control 13 Domestic air conditioner Wiring diagrams INDOOR UNIT OUTDOOR WIRING DIAGRAM 0010588937 ...

Page 16: ...d every determined frequency for protection should be 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 Refrigeration dehumidification ...

Page 17: ...nce which are affected by the environment but also the maximum ability limitation of the system When the starting ability is not the maximum its maximum frequency limitation is calculated by the following equations The frequency limitation which is affected by the temperature and under the condition of actual ability the actual running system ability the maximum frequency which is limited by the t...

Page 18: ...29ć Refrigeration dehumidification 09K 12K 2nd level 3 level 3rd level 5th level 5th level 7th level Tao ć Tao 10ć 10ć Tao 16ć Taoı16ć Heating 7th level 7th level 5th level 5th level 3rd level 3rd level After 3 minutes the compressor is controled according to the ambient temperature and the frequency of the compressor Refrigeration dehumidification frequency Hz 09K 12K 38 Hz 30 Hz 38 Hz 30 Hz 52 H...

Page 19: ...hods 100 times one cycle of procedure run is one time and about 5ms detection method 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 ć 09K 12K Abnormal stop 110 110 Decreasing the frequency rapidly 1HZ second 107 106 Decreasing the frequency slowly 1HZ 10seconds 105 104 The frequency doesn t change 102 102 Incre...

Page 20: ...he AC current is greater than 9A the frequency of the compressor decreases at the speed of 1HZ second ƽDuring the starting process of the compressor if the AC current is greater than 8A the frequency of the compressor decreases at the speed of 0 1HZ second ƽDuring the starting process of the compressor if the AC current is greater than 7 5A the frequency of the compressor increases at the prohibit...

Page 21: ...th the running state 11ć ice_temp_3 5 ice_temp_3 3 9ć Increasing slowly 8ć ice_temp_3 2 Keeping the frequency ice_temp_3 7ć 7ć ice_temp_2 5ć Decreasing slowly ice_temp_1 3ć Decreasing rapidly ice_temp_1 1ć Stop When Tpg_indoorǇ ice_temp_1 the frequency of the compressor decreases at the speed of 1HZ 1second When Tpg_indoorǇ ice_temp_2 the frequency of the compressor decreases at the speed of 1HZ 1...

Page 22: ...7 132 3678 1 94 1 75 29 155 5754 139 5600 125 0806 1 93 1 74 28 146 5609 131 7022 118 2434 1 91 1 73 27 138 1285 124 3392 111 8256 1 89 1 71 26 130 2371 117 4366 105 7989 1 87 1 70 25 122 8484 110 9627 100 1367 1 85 1 69 24 115 9272 104 8882 94 8149 1 83 1 67 23 109 4410 99 1858 89 8106 1 81 1 66 22 103 3598 93 8305 85 1031 1 80 1 64 21 97 6556 88 7989 80 6728 1 78 1 63 20 92 3028 84 0695 76 5017 ...

Page 23: ...7 14 5748 14 0079 13 4510 0 93 0 92 18 13 9436 13 4185 12 9017 0 91 0 90 19 13 3431 12 8572 12 3778 0 88 0 87 20 12 7718 12 3223 11 8780 0 86 0 85 21 12 2280 11 8126 11 4011 0 83 0 83 22 11 7102 11 3267 10 9459 0 81 0 80 23 11 2172 10 8634 10 5114 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 2...

Page 24: ...2 6112 2 4328 2 17 2 05 62 2 7099 2 5246 2 3498 2 22 2 09 63 2 6232 2 4413 2 2700 2 26 2 13 64 2 5396 2 3611 2 1932 2 31 2 17 65 2 4591 2 2840 2 1195 2 36 2 21 66 2 3815 2 2098 2 0486 2 40 2 25 67 2 3068 2 1383 1 9803 2 45 2 29 68 2 2347 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...

Page 25: ...36 0 6303 4 34 3 92 105 0 7641 0 6845 0 6127 4 40 3 97 106 0 7441 0 6661 0 5957 4 46 4 02 107 0 7247 0 6482 0 5792 4 51 4 07 108 0 7059 0 6308 0 5632 4 57 4 12 109 0 6877 0 6140 0 5478 4 63 4 16 110 0 6700 0 5977 0 5328 4 69 4 21 111 0 6528 0 5820 0 5183 4 74 4 26 112 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 ...

Page 26: ...6945 2 66 2 29 7 3276 5302 2818 6731 2422 6139 2 64 2 28 6 3085 2854 2658 8058 2289 2164 2 63 2 28 5 2906 2851 2508 9126 2163 9230 2 61 2 27 4 2738 6777 2368 3158 2046 1961 2 60 2 26 3 2581 6752 2236 3876 1935 5371 2 58 2 25 2 2434 5487 2112 5459 1831 4826 2 56 2 24 1 2296 6230 1996 2509 1733 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 ...

Page 27: ...6 1 73 37 315 5682 290 6199 267 4031 1 84 1 71 38 301 1254 277 6976 255 8620 1 82 1 70 39 287 4128 265 4119 244 8745 1 80 1 68 40 274 3905 253 7288 234 4118 1 78 1 66 41 262 0206 242 6161 224 4465 1 76 1 64 42 250 2676 232 0436 214 9529 1 74 1 63 43 239 0983 221 9825 205 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 6...

Page 28: ...00 0 85 0 84 81 49 7063 48 2057 46 7083 0 85 0 85 82 47 9835 46 4842 44 9911 0 89 0 89 83 46 3286 44 8323 43 3452 0 93 0 92 84 44 7385 43 2468 41 7672 0 96 0 95 85 43 2105 41 7248 40 2540 1 00 0 99 86 41 7386 40 2604 38 7996 1 03 1 02 87 40 3241 38 8545 37 4048 1 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 33 765...

Page 29: ...2 36 2 23 120 14 1376 13 1879 12 2909 2 41 2 27 121 13 7294 12 7955 11 9144 2 45 2 31 122 13 3347 12 4165 11 5510 2 50 2 35 123 12 9531 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...

Page 30: ...Dimensinal drawings Domestic air conditioner 8 Dimensional drawings 9 Center of gravity 4 0 0 4 0 0 4 unit mm unit mm 780 ...

Page 31: ...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 32: ...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 33: ... Outdoor EEPROM error Page 34 F1 ƶ ƾ ƾ 2 The protection of IPM Page 38 F22 ƾ ƾ Ƶ 3 Overcurrent protection of AC electricity for the outdoor model Page 39 F3 Ƶ ƾ Ƶ 4 Communication fault between the IPM and outdoor PCB Page 40 F19 Ƶ ƾ ƶ 6 Power voltage is too high or low Page 41 F4 Ƶ ƾ Ƶ 8 Overheat protection for Discharge temperature Page 42 F21 ƶ ƶ ƾ 10 Defrost temperature sensor failure Page 33 F...

Page 34: ...or 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 Ŷ Faulty connector connection Causes Ŷ Faulty thermistor Ŷ 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 ...

Page 35: ... Data 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 Ŷ Faulty EEPROM data Causes Ŷ Faulty EEPROM Ŷ 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 36: ...r due to 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 wheth...

Page 37: ...ing condition and so on Malfunction Detection Malfunction when the data of EEPROM is error or the EEPROM is damaged Decision Conditions Supposed Ƶ DC fan motor protection dues to the DC fan motor faulty Causes Ƶ 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 38: ...Service diagnosis 37 Domestic air conditioner ...

Page 39: ... to IPM protection due to over current Decision Ŷ The compressor faulty leads to IPM protection Conditions Ŷ circuit component of IPM is broken and led to IPM protection Supposed Ŷ IPM protection dues to the compressor faulty Causes Ŷ IPM protection dues to faulty PCB of IPM module Ŷ Compressor wiring disconnected Troubleshooting Caution Be sure to turn off power switch before connect or disconnec...

Page 40: ...pply Troubleshooting Caution Be sure to turn off 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 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...

Page 41: ...isconnected 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 Te...

Page 42: ...Supply voltage not as specified Causes Ŷ the IPM module is broken Ŷ 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...

Page 43: ... occurred 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 ć 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 tempe...

Page 44: ...utdoor PCB Malfunction Detection Malfunction Ŷ The outdoor PCB broken leads to communication fault Decision Ŷ The indoor PCB broken leads to communication fault Conditions Supposed Ŷ Communication wiring disconnected Causes Ŷ The indoor PCB is broken Ŷ The outdoor PCB is broken Ŷ The Module PCB is broken Troubleshooting Caution Be sure to turn off power switch before connect or disconnect connecto...

Page 45: ...utdoor pcb is damaged replace it with a new one NO Measure the voltage Between 3 and 4 of IC9 on the Outdoor mainboard with a Multimete The voltage is a constant value of 0V DC to 5V DC The outdoor pcb is damaged replace it with a new one YES NO The outdoor pcb is well and then check the cable If the voltage is a constant value of 0V DC to 5V DC Or the voltage between Communication line red and N ...

Page 46: ...mpressor Ƶ 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 co...

Page 47: ...Dirty heat exchanger Ƶ Faulty heat exchange sensor Ƶ 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 65ć The malfunction is reported after the machine has run for some time 1 ǃ Check r...

Page 48: ...4 16 2832 2860 2737 2590 3241 3509 3371 3291 3041 27 19 3209 3100 3076 2876 3565 3921 3874 3747 3459 30 22 3384 3312 3240 3060 3780 4140 4032 3888 3636 32 23 3600 3548 3431 3259 4066 4388 4270 4111 3884 35 24 3759 3661 3549 3328 4147 4599 4369 4278 4042 cooling value temerature table performance curves outdoor temp 2300 2800 3300 3800 4300 cooling capacity W cooling capacity and indoor outdoor tem...

Page 49: ...528 760 954 1155 1335 1411 27 19 973 939 932 575 807 1040 1255 1483 1570 30 22 995 974 953 592 836 1068 1274 1505 1608 32 23 1029 1014 980 631 899 1132 1392 1591 1718 35 24 1044 1017 986 644 917 1187 1424 1656 1788 power consumption value temp table performance curves outdoor temp 100 300 500 700 900 1100 1300 1500 1700 1900 power consumption w indoor temp DB WB power consumption and temp curves 1...

Page 50: ... 1935 2037 2164 20 2013 2064 2153 25 2026 2144 2219 30 2244 2385 2543 35 2403 2546 2653 38 2605 2734 2910 40 3007 3082 3258 43 3339 3484 3615 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 ...

Page 51: ...1 15 27 19 35 24 10 9 2 0 1 6 8 8 7 5 7 15 0 4 0 1 5 9 8 5 6 7 20 0 5 0 1 3 1 9 2 7 7 25 2 7 0 1 2 2 9 3 1 8 30 2 8 0 1 1 7 9 6 5 8 35 9 3 1 1 1 8 9 4 6 8 38 910 1011 1163 40 1001 1112 1279 43 1101 1201 1394 indoor temp performance curves cooling suction pressure table suction pressure Kpa cooling suction pressure and temp curves ...

Page 52: ...10 7 9 0 3 7 5 3 3 2 7 6 3 7 8 2 0 8 3 1 9 0 4 2 1 5 4 2 1 0 6 8 3 7 5 2 4 4 2 8 4 7 6 7 5 8 3 5 3 3 4 5 9 6 4 12 11 5 7 3 3 1 7 8 3 2 0 2 4 18 16 3 4 8 2 2 4 2 3 8 3 4 3 24 20 1 1 2 2 9 7 4 2 8 5 7 2 indoor temp humidity 46 heating capacity and indoor outdoor temp table performance curves heating capacity W heating capacity and indoor outdoor temp curves ...

Page 53: ... 8 7 4 4 1 8 7 3 1 6 9 2 1 2 1 7 8 4 1 7 1 4 1 6 4 3 1 7 6 3 6 3 1 8 9 2 1 6 4 2 1 12 11 3 4 0 1 9 4 9 2 8 8 18 16 1 0 8 8 2 7 5 5 6 24 20 5 6 5 4 1 5 3 6 4 indoor temp humidity 46 power consumption value temp table performance curves 0 200 400 600 800 1000 1200 1400 1600 15 10 7 8 2 1 7 6 12 11 18 16 24 20 consumption w outdoor temp DB WB heating consumption and indoor outdoor temp curves 10 20 2...

Page 54: ...3 1 1 4 3 2 2 2 3 2 1 0 6 8 3 8 9 6 3 8 4 4 3 7 6 3 3 7 3 0 9 5 3 6 6 3 3 12 11 9 7 5 3 2 8 4 3 5 0 3 3 18 16 0 9 3 3 3 7 2 3 4 4 1 3 24 20 7 5 8 2 2 8 7 2 6 4 6 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 ...

Page 55: ... 5 2 3 5 2 9 4 2 1 0 7 6 1 5 6 1 1 6 7 6 3 0 8 4 8 7 4 4 7 12 11 4 0 9 4 8 8 4 4 8 18 16 1011 1051 1071 24 20 1197 1237 1257 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 ...

Page 56: ...TAIO INT1 24 P16 CLK0 25 KI1 AN9 P11 48 P20 TDIOA0 TDCLK 23 P21 TDIOB0 22 INT1 P36 44 P22 TDIOC0 21 IC17 R5F212A8SNFA 100nF C18 4K7 10K DTC143X N7 4K7 10K DTC143X N6 1 2 3 4 NDI 02H BM 1 10K 1 R58 10K 1 R59 1K R38 1K R39 20K 1 R67 20K 1 R65 47K 1 R63 1K R68 1K R66 1K R64 100nF C26 100nF C25 100nF C24 1K R88 10K R40 10K R41 1 2 3 4 5 6 CN17 10K R89 1 2 CN45 1 2 3 4 CN33 100nF C16 10K R37 1 2 3 4 CN...

Page 57: ...57 Do C omestic air ircuit Diagra conditioner ams r 12 2 Module board circuit diagram ...

Page 58: ...e 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 Version V1 Date 2016 07 04 REMOVAL PROCEDURE ...

Page 59: ...Removal Procedure 1 Removal of Outdoor Panel ...

Page 60: ...Removal Procedure n o i t i d n o C r i A c i t s e m o D 2 ...

Page 61: ...4 Removal Procedure 3 Domestic Air Condition ...

Page 62: ...Removal Procedure 2 Removal of Electrical Box RPHVWLF LU RQGLWLR ...

Page 63: ...Removal Procedure 3 Removal of Fan and Fan Motor RPHVWLF LU RQGLWLR ...

Page 64: ...Removal Procedure 4 Removal of Fan Motor Brcked and Partition ...

Page 65: ...Removal Procedure 7 Domestic Air Condition ...

Page 66: ...Removal Procedure 5 Removal of Compressor and Heat Exchanger ...

Page 67: ...Removal Procedure 9 Domestic Air Condition ...

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