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Airwell AW-YHDM018-H91, Руководство по обслуживанию, Страница: 1 / 69

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SERVICE MANUAL

Wall Mounted Type

DC Inverter 

AW-YHDM018-H91

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

Содержание AW-YHDM018-H91

Страница 1: ...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 b...

Страница 2: ...s 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 diagnosi...

Страница 3: ...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 condu...

Страница 4: ...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 appropr...

Страница 5: ...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...

Страница 6: ...perly 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 p...

Страница 7: ...ks 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...

Страница 8: ...51 e r u s s e e p d n u o S 63 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 5 0 7 0 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 0 1...

Страница 9: ...less m 20 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...

Страница 10: ...Pinping diagrams Domestic air conditioner 4 Piping diagrams 9 EEV EEV...

Страница 11: ...Operation range Domestic air conditioner 5 Operation range 10...

Страница 12: ...board and the module board 9 CN25 CN28 Connector to N and P of the module board 10 CN36 Connector for communicate between indoor and outdoor unit 11 CN15 Connector for electric expansion valves PCB 2...

Страница 13: ...Printed circuit board connector wiring diagram 12 Domestic air conditioner PCB 1 CN6 CN7 CN1 CN2 CN25 CN28 CN23 CN24 CN9 CN10 CN36 CN3 CN11 CN15 CN47 CN17 CN22...

Страница 14: ...Printed circuit board connector wiring diagram 13 Domestic air conditioner PCB 2 CN4 CN3 CN10 CN6 CN5 CN8 CN11 CN9 CN7 CN1 CN2...

Страница 15: ...CAPACITOR EVEN AFTER PLUG OFF DANGER OF ELECTRIC SHOCK CN7 CN6 AC N OUT AC L OUT BR OR B BL OR W BL OR W BR OR B Note The dotted parts are optional The 1 and the 2 cannot exist at the time but must ke...

Страница 16: ...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 decreasi...

Страница 17: ...the complete appliance 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 cal...

Страница 18: ...pressor is controled according to the ambient temperature Tao Tao 22 22 Tao 28 Tao 29 Refrigeration dehumidification 18K 24K 2nd level 2nd level 3rd level 4th level 5th level 6th level Tao Tao 10 10 T...

Страница 19: ...no such limitation Sensor detection methods 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...

Страница 20: ...sor if the AC current is greater than 14 5A 15A 18K 24K the frequency of the compressor decreases at the speed of 1HZ second During the starting process of the compressor if the AC current is greater...

Страница 21: ...gerating heating prevent freezing Tpg_indoor is the minimum value of the effective indoor unit start it and it is in accord with the running state 11 ice_temp_3 5 ice_temp_3 3 9 Increasing slowly 8 ic...

Страница 22: ...25 50 3700Kf3 Temp Max K Normal K Min K Tolerance 30 165 2170 147 9497 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...

Страница 23: ...15 0 98 0 96 16 15 2385 14 6268 14 0271 0 96 0 94 17 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...

Страница 24: ...1 93 59 2 9909 2 7948 2 6092 2 08 1 97 60 2 8936 2 7012 2 5193 2 13 2 01 61 2 8000 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...

Страница 25: ...4 101 0 8507 0 7646 0 6867 4 18 3 78 102 0 8281 0 7436 0 6672 4 23 3 83 103 0 8061 0 7233 0 6484 4 29 3 88 104 0 7848 0 7036 0 6303 4 34 3 92 105 0 7641 0 6845 0 6127 4 40 3 97 106 0 7441 0 6661 0 595...

Страница 26: ...548 3573 4260 3049 5312 2 70 2 32 10 3933 3289 3365 7336 2877 4527 2 69 2 31 9 3699 5139 3171 3148 2716 0828 2 67 2 30 8 3480 9407 2989 2460 2564 6945 2 66 2 29 7 3276 5302 2818 6731 2422 6139 2 64 2...

Страница 27: ...1295 334 5542 1 95 1 80 33 381 5350 349 4341 319 7460 1 93 1 78 34 363 7176 333 5801 305 6645 1 90 1 76 35 346 8176 318 5216 292 2709 1 88 1 75 36 330 7839 304 2151 279 5286 1 86 1 73 37 315 5682 290...

Страница 28: ...96 75 62 3423 60 1906 58 0609 0 95 0 94 76 59 9821 57 9770 55 9885 0 92 0 92 77 57 7223 55 8552 53 9998 0 90 0 89 78 55 5583 53 8210 52 0912 0 87 0 87 79 53 4856 51 8706 50 2591 0 85 0 84 80 51 5000...

Страница 29: ...23 2 12 117 15 4489 14 4506 13 5047 2 27 2 16 118 14 9968 14 0149 13 0855 2 32 2 19 119 14 5599 13 5942 12 6811 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 1...

Страница 30: ...Dimensional drawings 8 Dimensional drawings 9 Center of gravity 29 Domestic air conditioner...

Страница 31: ...a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages 10 2 Parameter of primary electronic appliance...

Страница 32: ...pment 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...

Страница 33: ...Malfunction F12 1 Outdoor EEPROM error Page 34 F1 2 The protection of IPM Page 38 F22 3 Overcurrent protection of AC electricity for the outdoor model Page 39 F3 4 Communication fault between the IPM...

Страница 34: ...nput 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...

Страница 35: ...a 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 Fa...

Страница 36: ...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 we...

Страница 37: ...g 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 C...

Страница 38: ...Service diagnosis 37 Domestic air conditioner...

Страница 39: ...to IPM protection due to over current Decision The compressor faulty leads to IPM protection Conditions circuit component of IPM is broken and led to IPM protection Supposed IPM protection dues to th...

Страница 40: ...oubleshooting 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 m...

Страница 41: ...ed 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...

Страница 42: ...ply 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 dam...

Страница 43: ...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 1...

Страница 44: ...outdoor PCB Malfunction Detection Malfunction The outdoor PCB broken leads to communication fault Decision The indoor PCB broken leads to communication fault Conditions Supposed Communication wiring...

Страница 45: ...Service diagnosis 44 Domestic air conditioner...

Страница 46: ...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 an...

Страница 47: ...rty 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 Ele...

Страница 48: ...095 3987 3709 4578 5045 4973 4795 4415 27 19 4701 4517 4487 4191 5170 5665 5481 5358 5066 30 22 4888 4784 4680 4420 5460 5980 5824 5616 5252 32 23 5254 5154 4994 4628 5823 6442 6112 6021 5578 35 24 53...

Страница 49: ...6 746 1060 1377 1700 1964 2043 27 19 1424 1369 1360 834 1186 1498 1793 2097 2327 30 22 1438 1407 1376 855 1207 1543 1840 2173 2323 32 23 1501 1473 1427 896 1288 1662 1992 2330 2467 35 24 1482 1443 143...

Страница 50: ...1933 2037 2152 20 2010 2064 2156 25 2071 2144 2246 30 2269 2385 2486 35 2405 2546 2713 38 2647 2734 2906 40 2957 3082 3242 43 3324 3484 3713 performance curves cooling discharge pressure table indoor...

Страница 51: ...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 120...

Страница 52: ...0 4 2 4 4 6 9 7 4 5 4 2 5 7 8 1 3 4 5 4 4 8 5 6 4 4 6 2 1 5 1 5 5 1 8 0 6 1 9 8 6 7 6 1 1 5 5 3 9 1 6 7 0 7 6 12 11 2 2 8 4 0 3 5 5 3 0 0 6 18 16 1 6 0 4 1 3 6 4 2 1 9 4 24 20 9 5 1 3 2 4 5 3 1 4 9 3...

Страница 53: ...7 8 8 6 0 2 9 6 9 1 1 5 8 1 2 1 5 2 1 2 4 2 0 2 2 2 9 1 7 6 8 4 9 1 5 5 8 1 1 8 7 1 12 11 1 9 4 1 5 5 3 1 0 6 2 1 18 16 4 4 1 1 0 4 0 1 6 3 9 24 20 8 0 8 4 3 7 1 6 6 indoor temp humidity 46 power cons...

Страница 54: ...1 1 4 3 2 7 2 3 2 1 5 4 8 3 8 9 6 3 6 9 3 3 7 6 8 6 7 3 0 9 5 3 7 0 4 3 12 11 5 3 6 3 2 8 4 3 9 5 2 3 18 16 5 7 3 3 3 7 2 3 8 2 1 3 24 20 7 6 8 2 2 8 7 2 1 0 6 2 performance curves heating discharge...

Страница 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...

Страница 56: ...56 Do C omestic air ircuit Diagra conditioner ams r 12 Circuit diagrams 12 1 Outdoor unit control board circuit diagrams...

Страница 57: ...57 Do C omestic air ircuit Diagra conditioner ams r...

Страница 58: ...58 Do C omestic air ircuit Diagra conditioner ams r 12 2 Module board circuit diagram...

Страница 59: ...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 attem...

Страница 60: ...er Remove of front panel Outdoor unit s t n i o P e r u d e c o r P p e t S s e r u t a e F 1 1 Loosen the service cover screw and remove the service cover Be careful not to cut your finger by the fin...

Страница 61: ...ir conditioner Step Procedure Points Step Procedure Points Step Procedure Points 2 Remove the panels 1 Loosen the 7 screws and lift the top panel 2 Loosen the screws of the panel 3 Pull and remove the...

Страница 62: ...3 Domestic air conditioner s t n i o P e r u d e c o r P p e t S Remove the fixting screws then lift the electrical box...

Страница 63: ...ir conditioner Remove the air filters and horizontal flap s t n i o P e r u d e c o r P p e t S 1 2 Loosen the fixting screws and remove The back protect net 1 Loosen the fixting screws and remove the...

Страница 64: ...5 Domestic air conditioner Remove the casing s t n i o P e r u d e c o r P p e t S 1 Loosen the fixting screws and remove the side panel 2 Loosen the fixting screws and remove the cross beam...

Страница 65: ...6 Domestic air conditioner s t n i o P e r u d e c o r P p e t S 3 Loosen the fixting screws remove the fan Loosen the fixting screws and lift the fan motor...

Страница 66: ...estic air conditioner Release stepping motor 2type s t n i o P e r u d e c o r P p e t S 1 Remove the fixing screws then lift the fan motor bracket 2 Cut down the and pull out the compressor and remov...

Страница 67: ...8 Domestic air conditioner Removal of Heat Exchanger s t n i o P e r u d e c o r P p e t S Loosen the marked fixing screws Loosen the fixting hook and remove the heat exchanger...

Страница 68: ...9 Domestic air conditioner s t n i o P e r u d e c o r P p e t S Remove the fixing screws then lift the heating pipe Remove the fixing screws then lift the valves...

Страница 69: ...10 Domestic Air Conditioner s t n i o P e r u d e c o r P p e t S Remove the fixing screw then lift the valve set...

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