Classic MROHC09AS, Service Manual

Page 1: ...pairs made by unqualified persons can result in hazards to you and others Failure to carefully read and follow all instructions in this manual can result in equipment malfunction property damage personal injury and or death This service is only for service engineer to use Table of Contents 1 Precaution 2 Part Names And Functions 3 Dimension 4 Refrigerant Cycle Diagram 5 Wiring Diagram 6 Installati...

Page 2: ... and the elevation 19 6 4 Installation for the first time 20 6 5 Adding the refrigerant after running the system for many years 21 6 6 Re installation while the indoor unit need to be repaired 21 6 7 Re installation while the outdoor unit need to be repaired 22 7 Operation Characteristics 24 8 Electronic Function 25 8 1 Abbreviation 25 8 2 Display function 25 8 3 Main Protection 26 8 4 Operation M...

Page 3: ...ful of the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an authorized service center Do not install the product on a defective installation stand Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury Do not let the a...

Page 4: ... away properly A bad connection may cause water leakage Keep level even when installing the product It can avoid vibration of water leakage Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors Use two or more people to lift and transport the product Do not install the product where it will be exposed to...

Page 5: ... of the same type Do not mix old and new batteries or different types of batteries There is risk of fire or explosion Do not recharge or disassemble the batteries Do not dispose of batteries in a fire They may burn of explode If the liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of the batteries have leaked ...

Page 6: ...ions 2 1 Model Names of Indoor Outdoor units Series Capacity Indoor units Outdoor units Inverter 9k MWOHC09S MROHC09AS 12k MWOHC12S MROHC12AS 18k MWOHC18S MROHC18AS 24k MWOHC24S MROHC24AS 2 2 Part names of Indoor Outdoor units ...

Page 7: ...ion O Silver Ico Filter O Louver Position Memory Function Vitamin C Filter O Refrigerant Leakage Detect 3M HAM Filter O Self diag Function Bio Filter O Hydrophilic Aluminum Fin Golden Fin O Anti rust Cabinet Self Clean O Valve Protection Cover Follow Me O PTC Heating Belt O 1W Standby Compressor Crankcase Heater O optional function ...

Page 8: ...an When this function is activated firstly the indoor unit operates as Fan only mode with low fan speed during this period the condensed water will take some dust on evaporator fins away After that the unit turns to heating operation with low fan speed which dries the inside of indoor unit Finally it turns to fan only mode and blows away the wet air The whole process cleans the internal side of in...

Page 9: ...base plate of the outdoor unit the rain snow or defrosted water accumulating on the base plate is avoided Compressor crankcase heater The oil dissolves easily in refrigerant especially in low temperature condition The crankcase heating belt can heat the bottom of the compressor to avoid pumping out too much oil with the refrigerant which helps to protect the compressor ...

Page 10: ...35mm 32 9in 198mm 7 8in 280mm 11 0in MWOHC12S MWOHC18S 990mm 39 0in 218mm 8 6in 315mm 12 4in MWOHC24S 1186mm 46 7in 258mm 10 2in 340mm 13 4in Model L R H Dimension of installation hole MWOHC09S 140mm 5 5in 110mm 4 3in 45mm 1 8in Φ65mm 2 56in MWOHC12S W D ...

Page 11: ... Model L R H Dimension of installation hole MWOHC18S 260mm 10 2in 135mm 5 3in 45mm 1 8in Φ65mm 2 56in Model L R H Dimension of installation hole MWOHC24S 275mm 10 8in 275mm 10 8in 45mm 1 8in Φ65mm 2 56in ...

Page 12: ...A B MROHC09AS 760mm 29 9in 285mm 11 2in 590mm 23 2in 823mm 32 4in 530mm 20 9in 290mm 11 4in MROHC12AS MROHC18AS 845mm 33 3in 320mm 12 6in 700mm 27 6in 908mm 35 7in 560mm 22 0in 335mm 13 2in MROHC24AS 900mm 36 7in 315mm 12 9in 860mm 35 1in 980mm 40in 590mm 24 1in 333mm 13 6in More than 30cm 11 8in More than 30cm 11 8in More than 60cm 23 6in More than 70cm 27 6in ...

Page 13: ...c expansion valve CAPILIARY TUBE 2 WAY VALVE T3 Condenser temp sensor HEAT EXCHANGE EVAPORATOR HEAT T1 Room temp sensor T4 Ambient temp sensor EXCHANGE CONDENSER T2 Evaporator temp sensor GAS SIDE 4 WAY VALVE 3 WAY VALVE Accumulator Compressor T5 Discharge temp sensor COOLING HEATING ...

Page 14: ...12 5 Wiring Diagram 5 1 Indoor Unit MWOHC09S MWOHC12S MWOHC18S ...

Page 15: ...13 MWOHC24S ...

Page 16: ...14 5 2 Outdoor Unit MROHC09AS MROHC12AS ...

Page 17: ...15 MROHC18AS ...

Page 18: ...16 MROHC24AS MROHC09AS MROHC12AS ...

Page 19: ...17 MROHC18AS ...

Page 20: ... ER SUPPLY r roo t p smsor RT plpe ieMp oensoc RT Exouot P sensor ci CN37 rnnn d to autOoor OC FA D 3 l 290 3CCV DC stondby 4 3 l 15 17V oc c ND U O E ND U O E ND US E I ll 8 CN G fl CN Cl Ol gno Ire ccui v CN4l CN10 N DUT CN29 202302130895 P 1 11Dl rnnned to the eorth ...

Page 21: ... by the maximum current indicated on the nameplate which located on the side panel of the unit Please refer to the nameplate before selecting the cable fuse and switch Models Pipe size Gas Liquid MWOHC09S MROHC09AS 3 8in Ф9 52mm 1 4in Ф6 35mm MWOHC12S MROHC12AS 1 2in Ф12 7mm 1 4in Ф6 35mm MWOHC18S MROHC18AS 1 2in Ф12 7mm 1 4in Ф6 35mm MWOHC24S MROHC24AS 5 8in Ф15 9mm 3 8in Ф9 52mm Models Standard ...

Page 22: ...rate the vacuum pump to evacuate 6 Make evacuation for 30 minutes and check whether the compound meter indicates 0 1Mpa 14 5Psi If the meter does not indicate 0 1Mpa 14 5Psi after pumping 30 minutes it should be pumped 20 minutes more If the pressure can t achieve 0 1Mpa 14 5Psi after pumping 50 minutes please check if there are some leakage points Fully close the handle Lo valve of the manifold v...

Page 23: ...der and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weight 4 Operate the air conditioner at the cooling mode 5 Open the valves Low side on the charge set and charge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the gauge and the...

Page 24: ...set to the closed position 2 Connect the charge set and a charging cylinder to the service port of the 3 way valve Leave the valve on the charging cylinder closed 3 Air purging Open the valves on the charging cylinder and the charge set Purge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a ...

Page 25: ...Low side on the charge set and charge the system with liquid refrigerant If the system cannot be charge with the specified amount of refrigerant or can be charged with a little at a time approximately 150g each time operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure 5 When the electronic scale displays the...

Page 26: ...If the air conditioner is used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air conditioner operates beyond this figure the surface of the air conditioner may attract condensation Please set the vertical air flow louver to its maximum angle vertically to the...

Page 27: ...lamp illuminates when Clean Air feature is activated DEFROST indication lamp For cooling heating models only Lights up when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating operation OPERATION indication lamp This lamp illuminates when the air conditioner is in operation TIMER indication lamp Lights up during Timer operation Temperatu...

Page 28: ... fan will be also controlled by anti cold wind function 8 3 7 Compressor preheating functions Preheating permitting condition If T4 outdoor ambient temperature 3 C 37 4 F and the machine connects to power supply newly or if T4 3 C 37 4 F and compressor has stopped for over 3 hours the compressor heating cable will work Preheating mode A weak current flow through the coil of compressor from the wir...

Page 29: ...27 T2 7 C 44 6 F the compressor frequency will not be limited ...

Page 30: ...f compressor F1 F8 The detailed value of the compressor operation frequency If users switch on AC by remote controller the compressor will run at the Fmax frequency for 7 For MWOHC24S model T1 minutes according to the outdoor ambient temp During the 7 minutes the frequency limitation is active 7 minutes later the compressor running frequency will be controlled as below 27 5 ã C 81 5 ã F High 27 0 ...

Page 31: ...frequency Resume No limitation for frequency Note When AC is in hold zone for 3 minutes the compressor frequency will rise to the higher level frequency will increase twice at most T4 28 ã C 82 4 ã F 26 ã C 78 8 ã F 22 ã C 71 6 ã F 20 ã C 68 0 ã F 8 4 2 3 Indoor fan running rules In cooling mode indoor fan runs all the time and the speed can be selected as high medium low auto and silent mode When...

Page 32: ...or 3 minutes the compressor will run as the below rules A E Increase the frequency to the higher level until to F10 F Keep the current frequency G Decrease the frequency to the lower level until to F1 H Run at F1 for 1h if T1 Ts ΔT 6 C 42 8 F the compressor will stop Meanwhile the compressor running frequency is limited by the current I3HEAT Fmax The maximum operation frequency of compressor F1 F8...

Page 33: ...pressor stops caused by the room temperature rising the indoor fan will run at super breeze When the compressor is running the indoor fan is controlled as below T2 ã C TEL8 TEL7 TEL6 TEL5 TEL4 TEL3 TEL2 TEL1 TEL0 For MWOHC24S model T2 ã C TEL8 TEL7 TEL6 TEL5 TEL4 TEL3 TEL2 TEL0 Auto fan action in heating mode ForMWOHC09S MWOHC12S MWOHC18S models The anti cold wind function is as below T1 Ts T 0 0 ...

Page 34: ...mpressor 4 wayvalve Outdoorfan Indoor fan off on off on off on off 10s defrosting mode No matter what value T4 is if the machine runs with T3 3 C 37 4 F for more than 120 Indoor fan breeze 10s xx 10s minutes and T3 keeps lower than TCDI 4 C 39 2 F for more than 3 minutes the machine will enter defrosting mode no matter if T2 drops more than 5 C 41 F or not XX 90 no longer than10m 30s Condition of ...

Page 35: ...g mode 8 4 6 Forced operation function 8 4 6 1 Enter forced operation function When the machine is off pressing the touch button will carry the machine to forced auto mode If pressing the button once again within 5 seconds the machine will turn into forced cooling mode In forced auto forced cooling or any other operation mode pressing touch button will turn off the machine 8 4 6 2 In forced operat...

Page 36: ...AC is required to start up now the compressor will have 1 minute delay when power on Other conditions the compressor will have 3 minutes delay when restarts 8 4 10 Follow me 1 If the indoor PCB receives the signal which results from pressing the FOLLOW ME button on remote controller the buzzer will emit a sound and this indicates the follow me function is initiated But when the indoor PCB receives...

Page 37: ...r will restore to the default angle 8 4 14 8 C Heating optional In heating operation the preset temperature of the air conditioner can be as lower as 8 C which keeps the room temperature steady at 8 C and prevents household things freezing when the house is unoccupied for a long time in severe cold weather 8 4 15 Silenceoperation optional Press the silence button on remote controller to initiate S...

Page 38: ... electricity power in capacitor HIGH VOLTAGE CAUTION For other models please connect discharge resistance approx 100Ω 40W or soldering iron plug between terminals of the electrolytic capacitor on the contrary side of the outdoor PCB Note The picture above is only for reference The plug of your side may be different ElectrolyticCapacitors ...

Page 39: ...erant leakage detection 2 times O F1 Outdoor ambient temperature sensor T4 open circuit or short circuit 3 times O F2 Condenser coil temperature sensor T3 open circuit or short circuit 4 times O F3 Compressor discharge temperature sensor T5 open circuit or short circuit 5 times O F4 Outdoor unit EEPROM parameter error 6 times O F5 Outdoor fan speed has been out of control 1 times P0 IPM malfunctio...

Page 40: ... Problems LED301 Green LED300 Red IU display 1 standby for normal O X 2 Operation normally X O 3 IPM malfunction or IGBT over strong current protection X P0 4 Over voltage or too low voltage protection O O P1 5 Over voltage or too low voltage protection O P1 6 Inverter compressor drive error X P4 7 Inverter compressor drive error O P4 8 Inverter compressor drive error P4 O light X off 2 5Hz flash ...

Page 41: ... C57 R91 R88 R85 C32 FAULT ISO 17V VSS CN37 ZR3 R76 R75 R11 CN14 CompTop PMV CN21 HuiQi CN20 PaiQi CN16 TEMP CN15 E24 E11 R71 D10 C72 C73 CE KFR26W BP3N1 PMV 120 D 13 WP2 1 R78 E8 E27 R110 E26 R109 R107 R108 D11 R8 E19 LED2 LED2 on and LED1 off standby LED1 LED2 off and LED1 on running other status error LED4 power light when power is on LED4 aways on LED3 Flashing once per second low speed flashi...

Page 42: ...55 IC14 C67 R52 C40 SW1 R24 R27 C72 C16 R33 C20 C77 E13 IC4 1 IC2 C19 R29 D31 R25 D10 S CN16 S D IC9 R57 P E Q R103 R108 C9 C23 C28 C21 1 R54 R53 R35 R37 1 C26 C30 IC5 IC7 C29 R40 C18 C27 R36 CN10 D14 CN20 S C D30 R22 R55 C78 R15 R56 C47 R65 C60 R30 IC11 R41 R42 D17 D32 D9 CN14 D6 CN12 R9 D20 C61 CT1 R4 C38 R50 D1 E1 R94 R90 R46 C76 C32 1 R48 1 IC8 C36 R49 C34 R47 CN23 S B E12 C37 R51 IC10 D33 D16...

Page 43: ...feedback from EEPROM chip Supposed causes Installation mistake PCB faulty Trouble shooting EEPROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage For the location of EEPROM chip please refer to the below photos Note The two photos above are only for reference it s may be not same totally with the ones on your side Outdoor PCB 18k model Indoor PCB ...

Page 44: ...lution E1 Error Code E1 Malfunction decision conditions Indoor unit does not receive the feedback from outdoor unit during 110 seconds and this condition happens four times continuously Supposed causes Wiring mistake Indoor or outdoor PCB faulty Trouble shooting ...

Page 45: ...emark Use a multimeter to test the DC voltage between L2 port and S port of outdoor unit The red pin of multimeter connects with L2 port while the black pin is for S port When AC is normal running the voltage will move alternately between 50V to 50V If the outdoor unit has malfunction the voltage will move alternately with positive value While if the indoor unit has malfunction the voltage will be...

Page 46: ... and solution E2 Error Code E2 Malfunction decision conditions When PCB does not receive zero crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal Supposed causes Connection mistake PCB faulty Trouble shooting ...

Page 47: ...tion E3 Error Code E3 Malfunction decision conditions When indoor fan speed keeps too low 300RPM for certain time the unit will stop and the LED will display the failure Supposed causes Wiring mistake Fan ass y faulty Fan motor faulty PCB faulty Trouble shooting ...

Page 48: ...or or Outdoor DC Fan Motor control chip is in fan motor Power on and when the unit is in standby measure the voltage of pin1 pin3 pin4 pin3 in fan motor connector If the value of the voltage is not in the range showing in below table the PCB must has problems and need to be replaced DC motor voltage input and output NO Color Signal Voltage 1 Red Vs Vm 280V 380V 2 3 Black GND 0V 4 White Vcc 14 17 5...

Page 49: ... each other the fan motor must has problems and need to be replaced Otherwise go to step 2 2 Power on and when the unit is in standby measure the voltage of pin4 5 in feedback signal connector If the value is not 5V change the PCB Otherwise go to step 3 3 Rotate the fan by hand measure the voltage of pin1 5 pin 2 5 and pin 3 5 in feedback signal connector If any voltage is not positive voltage flu...

Page 50: ...perature sensor diagnosis and solution E5 Error Code E5 Malfunction decision conditions If the sampling voltage is lower than 0 06V or higher than 4 94V the LED will display the failure Supposed causes Wiring mistake Sensor faulty Trouble shooting ...

Page 51: ...mpressor just starts running as Tcool In the beginning 5 minutes after the compressor starts up if T2 Tcool 2 C Tcool 35 6 F does not keep continuous 4 seconds and this situation happens 3 times the display area will show EC and AC will turn off Supposed causes T2 sensor faulty Indoor PCB faulty System problems such as leakage or blocking Trouble shooting ...

Page 52: ... Code P0 Malfunction decision conditions When the voltage signal that IPM send to compressor drive chip is abnormal the display LED will show P0 and AC will turn off Supposed causes Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Trouble shooting ...

Page 53: ...51 Take the 9k model as example P V P U ...

Page 54: ...52 N U P W ...

Page 55: ...53 N W N V ...

Page 56: ...on decision conditions An abnormal voltage rise or drop is detected by checking the specified voltage detection circuit Supposed causes Power supply problems System leakage or block PCB faulty Trouble shooting Remark Measure the DC voltage between P and N port The normal value should be around 310V P N ...

Page 57: ...ompressor top diagnosis and solution P2 Error Code P2 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Power supply problems System leakage or block PCB faulty Trouble shooting ...

Page 58: ...bnormal inverter compressor drive is detected by a special detection circuit including communication signal detection voltage detection compressor rotation speed signal detection and so on Supposed causes Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Trouble shooting ...

Page 59: ... from PCB measure the resistance value with a tester Temperature sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor discharge temp T5 sensor Measure the resistance value of each winding by using the multi meter ...

Page 60: ... 29078 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982 1 34 33 3269 41 106 4 96392 81 178 1 13604 121 250 0 35042 2 36 31 5635 42 108 4 76253 82 180 1 09958 122 252 0 3413 3 37 29 9058 43 109 4 5705 83 181 1 06448 123 253 0 33246 4 39 28 3459 44 111 4 3873...

Page 61: ... 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79 174 7 086 119 246 2 174 0 32 180 9 40 104 29 15 80 176 6 859 120 248 2 117 1 34 171 9 41 106 28 81 178 6 641 121 250 2 061 2 36 163 3 42 108 26 9 82 180 6 43 122 252 2 007 3 37 155 2 43 109 25 86 83 181 6 228 123 253...

Page 62: ...257 4 39 2 33 91 4 64 147 2 95 203 126 258 8 4 5 40 1 34 93 2 65 149 96 204 8 127 260 6 5 41 35 95 66 150 8 97 206 6 128 262 4 6 42 8 36 96 8 67 152 6 98 208 4 129 264 2 7 44 6 37 98 6 68 154 4 99 210 2 130 266 8 46 4 38 100 4 69 156 2 100 212 131 267 8 9 48 2 39 102 2 70 158 101 213 8 132 269 6 10 50 40 104 71 159 8 102 215 6 133 271 4 11 51 8 41 105 8 72 161 6 103 217 4 134 273 2 12 53 6 42 107 ...

Page 63: ...checking Measure the resistance value of each winding by using the tester Position Resistance Value DA110S1C 30FZ DA130M1C 31FZ DA250S2C 30MT Blue Red 0 8Ω 20 C 68 F 1 77Ω 20 C 68 F 0 55Ω 20 C 68 F Blue Black Red Blue ...

Page 64: ... 4 Indoor AC Fan Motor Measure the resistance value of each winding by using the tester Position Resistance Value RPG13B Black Red 100 5Ω 8 100Ω 8 20 C 68 F 20 C 68 F Brand Weiling Brand Dayang White Black 64 5Ω 8 68 5Ω 8 20 C 68 F 20 C 68 F Brand Weiling Brand Dayang Digital tester Normal resistance value Digital tester Normal resistance value Red Black Several MΩ Red Black Several MΩ P N U N U V...

Page 65: ...8 7 9 1 10 7 BAR 80 67 9 3 8 9 9 1 9 6 11 2 F C ODT IDT 75 23 89 85 29 44 95 35 105 40 56 115 46 11 PSI 70 59 119 113 117 125 147 PSI 75 63 124 120 126 132 155 PSI 80 67 135 129 132 140 162 F C ODT IDT 75 23 89 85 29 44 95 35 105 40 56 115 46 11 MPA 70 59 0 82 0 78 0 81 0 86 1 01 MPA 75 63 0 86 0 83 0 87 0 91 1 07 MPA 80 67 0 93 0 89 0 91 0 96 1 12 ...

Page 66: ... 8 31 5 27 8 26 3 24 9 F ODT 57 53 47 43 37 33 27 23 17 13 C IDT 13 89 11 67 8 33 6 11 2 78 0 56 2 78 5 8 33 10 56 PSI 55 439 413 367 330 302 PSI 65 471 435 386 368 339 PSI 75 489 457 403 381 362 F ODT 57 53 47 43 37 33 27 23 17 13 C IDT 13 89 11 67 8 33 6 11 2 78 0 56 2 78 5 8 33 10 56 MPA 55 3 03 2 85 2 53 2 28 2 08 MPA 65 3 25 3 00 2 66 2 54 2 33 MPA 75 3 38 3 15 2 78 2 63 2 49 ...

Page 67: ...959 15 Horizontal louver 1 201132590956 2 201132590962 16 Chassis assembly 1 201132590963 1 203332390972 16 1 Louver motor 1 202400200031 3 1 1 201332391249 17 Pipe clamp board 1 201119900949 4 1 201119900948 18 Installation plate 1 201232590037 5 1 201132590958 19 Electronic control box assembly Electronic control box I Electronic control box II Main control board assembly 1 203332391073 5 1 Scre...

Page 68: ...assembly 1 201532590453 19 6 Wire joint 1 202301450119 10 Fan motor cover 1 201132490127 20 Cover of electronic control box 1 201132490126 11 Asynchronous motor 1 202400370022 21 Remote Controller 1 203355091532 12 Bearing holder 1 201119900952 22 Seal 1 202720090001 13 Bearing base 1 202719900606 23 Drain joint 1 201101020011 14 Cross flow fan 1 201100200054 24 Air freshening filter 1 20113141070...

Page 69: ...1 202400200031 1 201332391249 17 Pipe clamp board 1 201119900949 1 201119900948 18 Installation plate 1 201232590037 Electronic control 5 assembly 1 201132590958 19 box assembly Electronic control 1 203332591105 5 1 Screw cap 2 201119900950 19 1 6 Drain hose 1 201101020038 19 2 7 Pipe nut 1 201600330003 19 3 7 Pipe nut 1 201600330001 19 4 Fix clamp of box I Electronic control box II Main control b...

Page 70: ...Cover of electronic control box 1 201132490126 11 Asynchronous motor 1 202400370022 21 Remote Controller 1 203355091532 12 Bearing holder 1 201119900952 22 Seal 1 202720090001 13 Bearing base 1 202719900606 23 Drain joint 1 201101020011 14 Cross flow fan 1 201100200054 24 Air freshening filter 1 201131410703 ...

Page 71: ...119900952 1 202719900606 1 203332390972 17 Cross flow fan 1 201100200056 3 1 1 201332391249 18 Chassis assembly 1 201132890703 4 1 201133091048 19 Pipe clamp board 1 201232800103 5 1 201132890673 20 Installation plate 1 201232590038 5 1 Screw cap 3 201119900950 21 Electronic control box assembly 1 203332890569 6 Horizontal louver 1 201132890671 21 1 Wire joint 1 202301450119 7 Air outlet assembly ...

Page 72: ...30003 22 Cover of electronic control box 1 201133090981 10 Fix clamp of temperature sensor 1 201102000305 23 Remote Controller 1 203355091532 11 Evaporator assembly 1 201532890153 24 Seal 1 202720090001 12 Fan motor cover 1 201133090980 25 Drain joint 1 201101020011 13 Fixing board of fan motor 1 201133090167 26 Air freshening filter 1 201131410703 14 Asynchronous motor 1 202400300064 ...

Page 73: ...nstallation plate 1 201232990002 Electronic control 4 electronic control box Panel frame 1 201119900948 21 box assembly 1 203333090465 5 assembly 1 201133090996 21 1 Wire joint 1 202301450119 Electronic control 5 1 Screw cap 4 201119900950 21 2 7 Air outlet assembly 1 201133091008 21 3 7 1 Louver motor 1 202400200070 21 5 8 Drain hose 1 201101020038 21 6 9 Pipe nut 1 201600330004 21 7 box Main con...

Page 74: ...1532 11 Evaporator assembly 1 201533090129 24 Seal 1 202720090001 12 Fan motor cover 1 201133090991 25 Drain joint 1 201101020011 14 Asynchronous motor 1 202400401301 26 Air freshening filter 1 201131410703 15 Bearing holder 1 201119900952 27 Horizontal louver above 1 201133090993 16 Bearing base 1 202719900606 28 Horizontal louver below 1 201133090999 ...

Page 75: ...37390226 4 Pipe temperature sensor assembly 1 202440500004 20 Terminal board assembly 1 203337590049 5 Valve plate 1 201237200282 20 1 Wire joint 1 202301400256 6 Chassis assembly 1 201237590091 20 2 Terminal board 1 201237590046 7 Rear right clapboard 1 201237590080 21 4 Ways valve assembly 1 201637391606 8 Big handle 1 201237390104 21 1 Gas valve 1 201600720095 9 Water collector 1 201137400000 2...

Page 76: ... fan 1 201100390002 23 Compressor 1 201400601510 14 Asynchronous motor 1 202400300060 24 Crankcase electric heater 1 202403100501 15 Supporter assembly of fan motor 1 201237390026 25 Discharge temperature sensor assembly 1 202301310068 16 Partition board assembly 1 201237500259 27 Reactor 1 202301000867 ...

Page 77: ...ear net 1 2011374G000 3 18 Top cover assembly 1 201237900028 3 Condenser assembly 1 201537690004 19 Electronic control box assembly 1 203337590101 4 Pipe temperature sensor assembly 1 202440500004 20 Terminal board assembly 1 203337590049 5 Valve plate 1 201237200282 20 1 Wire joint 1 202301400256 4 Ways valve 1 201637591413 assembly 8 Big handle 1 201237390104 21 1 Gas valve 1 201600720195 9 Wate...

Page 78: ...392 22 2 Electronic expansion valve assembly 1 201601300554 13 Axial flow fan 1 201100390002 23 Compressor 1 201400601510 14 Asynchronous motor 1 202400300060 24 Crankcase electric heater 1 202403100501 15 Supporter assembly of fan motor 1 201237390026 25 Discharge temperature sensor assembly 1 202301310068 16 Partition board assembly 1 201237500259 27 Reactor 1 202301000867 ...

Page 79: ...lectronic control 1 temperature sensor 1 202301310075 20 1 203337890332 2 assembly Rear net 1 2011481G000 21 box assembly Terminal board 1 203337990161 1 assembly Condenser 3 1 assembly 201537890068 21 1 Wire joint 1 202301400256 4 Pipe temperature 1 202440500004 21 2 Terminal board 1 201237890064 5 sensor assembly Valve plate 1 201237300285 22 Liquid valve assembly 1 201637891245 6 Chassis assemb...

Page 80: ...4 Asynchronous motor 1 202400300033 27 Cover of inductance 1 201248090001 15 Supporter assembly of fan motor 1 201257090031 28 Reactor 1 202301000820 16 Rear supporter 1 201248100384 28 Reactor 1 202301000819 17 Top cover assembly 1 201248100363 30 Clamp of front net 8 201135110801 18 Left supporter 1 201248100367 31 Capacitor of compressor 1 202401000078 19 Partition board assembly 1 201237790031...

Page 81: ...on board for E parts 1 201357190085 Condenser assembly Pipe temperature sensor assembly 1 201157190010 4 1 202301300111 20 5 Radiator 1 202301901173 5 Valve plate 1 201248300316 20 6 201257190085 21 Installation plate of PCB Terminal board assembly 1 201295200010 6 Chassis assembly 1 1 203338090315 7 Rear right clapboard assembly Big handle 1 201238090067 21 1 Wire joint 1 202301450155 8 1 2012373...

Page 82: ...ays valve 1 201600600119 15 Supporter assembly of fan motor 1 201257190071 24 Compressor 1 201400601740 16 Rear supporter 1 201248200095 25 Crankcase electric heater 1 202403101715 17 Top cover assembly 1 201248300309 26 Discharge temperature sensor assembly 1 202448200000 18 Left supporter 1 201248400036 27 Cover of inductance 1 201248390003 19 Partition board assembly 1 201257190115 28 Reactor 1...