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10.4.4 Fan speed has been out of control diagnosis and solution(E3/E7)

Error Code

E3/E7

Malfunction decision

conditions

When indoor or outdoor 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:

Shut off the power supply

and turn it on 5 seconds

later. Is it still displaying

the error code?

Shut off the power supply,
rotate the fan by hand.
Does it rotate properly?

The unit operates normally.

Find out the cause and

have it solved. For

example, check

whether the fan is

blocked or the bearing

is broken?

Check the wires of fan

motor. Are all the

connections good?

Yes

Correct the connections.

Yes

Check whether the main PCB is

normal through index 2?

Yes

Check whether the fan

motor is normal through

index 1?

Yes

Replace the fan

motor

Replace the

main PCB.

The

malfunction is

solved?

If the

malfunction is

still existing,

replace the

main PCB

Содержание MSV1-09HRFN1-MT0W

Страница 1: ...tallation MUST conform with local building codes or in the absence of local codes with the National Electrical Code NFPA70 ANSI C1 1993 or current edition and Canadian Electrical Code Part1 CSA C 22 1...

Страница 2: ...length and the elevation 29 7 4 Installation for the first time 30 7 5 Adding the refrigerant after running the system for many years 31 7 6 Re installation while the indoor unit need to be repaired...

Страница 3: ...ul 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 stan...

Страница 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 th...

Страница 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...

Страница 6: ...rter Capacity Indoor units Outdoor units 9k MSV1 09HRFN1 MT0W MOC 09HFN1 MT0W 12k MSV1 12HRFN1 MT0W MOC 12HFN1 MT0W MSV1 12HRDN1 MQ0W MOC 12HDN1 MQ0W 18k MSV1 18HRDN1 MQ0W MOF 18HDN1 MQ0W 24k MSV1 24H...

Страница 7: ...Filter Vitamin C Filter O 3M HAF Filter O Bio Filter O Golden Fin Cold Catalyst Filter Compressor Crankcase Heater Self Clean O Follow Me 8 Degree Heating O Heat Compensation O Self diag Function PTC...

Страница 8: ...ow 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 indoor unit and prevents the breeding of b...

Страница 9: ...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 whic...

Страница 10: ...4639 CS 74 Thermal protector position EXTERNAL EXTERNAL Capacitor uF 35 35 Refrigerant oil oil charge ml ESTER OIL VG74 480 ESTER OIL VG74 480 Indoor fan motor Model WZDK20 38G WZDK20 38G Brand Panas...

Страница 11: ...55x645 887x355x645 Packing W D H inch 34 92x13 98x25 39 34 92x13 98x25 39 Net Gross weight Kg 38 5 41 39 5 42 Net Gross weight lbs 84 88 90 39 87 08 92 59 Refrigerant type g R410A 1100g R410A 1250g Re...

Страница 12: ...IL VG74 480 ESTER OIL VG74 500 Indoor fan motor Model RPG20B YDK36 4CB A Brand Welling Welling Input W 43 79 58 50 RLA A 0 2 0 39 LRA A 0 23 0 48 Winding Resistance 381 267 242 79 Capacitor uF 1 5 3 S...

Страница 13: ...x29 72 Net Gross weight Kg 39 41 5 50 54 Net Gross weight lbs 85 98 91 49 110 23 119 05 Refrigerant type g R410A 1100g R410A 1650g Refrigerant type oz R410A 38 8 R410A 58 2 Design pressure PSIG 550 34...

Страница 14: ...oil oil charge ml ESTER OIL VG74 500 Indoor fan motor Model YDK36 4CB A Brand Welling Input W 79 58 50 RLA A 0 39 LRA A 0 48 Winding Resistance 242 79 Capacitor uF 3 Speed Hi Mi Lo r min 1245 1040 94...

Страница 15: ...D H inch 41 06x15 55x36 02 Net Gross weight Kg 62 67 Net Gross weight lbs 136 69 147 71 Refrigerant type g R410A 1900g Refrigerant type oz R410A 67 0 Design pressure PSIG 550 340 PSIG Application are...

Страница 16: ...sion 4 1 Indoor Unit W D H Model W D H MSV1 09HRFN1 MT0W 845mm 33 27in 165mm 6 5in 286mm 11 26in MSV1 12HRFN1 MT0W MSV1 12HRDN1 MQ0W MSV1 18HRDN1 MQ0W 1082mm 42 60in 207mm 8 15in 320mm 12 60in MSV1 24...

Страница 17: ...L H Dimension of installation hole MSV1 09HRFN1 MT0W 186mm 7 32in 150mm 5 91in 45mm 1 77in 65mm 2 56in MSV1 12HRFN1 MT0W MSV1 12HRDN1 MQ0W MSV1 18HRDN1 MQ0W 138 5mm 5 45in 150mm 5 91in 45mm 1 77in MS...

Страница 18: ...rence The appearance of your units may be different Model W D H W1 A B MOC 09HFN1 MT0W 760mm 29 92in 285mm 11 22in 590mm 23 23in 823mm 32 40in 530mm 20 87in 290mm 11 42in MOC 12HFN1 MT0W MOC 12HDN1 MQ...

Страница 19: ...INDOOR OUTDOOR LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR 2 WAY VALVE 3 WAY VALVE CHECK VALVE Heating Model only CAPILIARY TUBE REVERSING VALVE Heating Model onl...

Страница 20: ...16 6 Wiring Diagram 6 1 Indoor Unit MSV1 09HRFN1 MT0W MSV1 12HRFN1 MT0W...

Страница 21: ...17 MSV1 12HRDN1 MQ0W...

Страница 22: ...18 MSV1 18HRDN1 MQ0W MSV1 24HRDN1 MQ0W...

Страница 23: ...19 6 2 Outdoor Unit MOC 09HFN1 MTOW MOC 12HFN1 MTOW...

Страница 24: ...20 MOC 12HDN1 MQ0W...

Страница 25: ...21 MOC 12HDN1 MQ0W with low ambient temp cooling function...

Страница 26: ...22 MOF 18HDN1 MQ0W...

Страница 27: ...23 MOF 18HDN1 MQ0W with low ambient temp cooling function...

Страница 28: ...24 MOG 24HDN1 MQOW...

Страница 29: ...25 MOG 24HDN1 MQOW with low ambient temp cooling function...

Страница 30: ...26 MOC 09HFN1 MTOW MOC 12HFN1 MTOW...

Страница 31: ...27 MOC 12HDN1 MQ0W...

Страница 32: ...28 MOF 18HDN1 MQ0W MOG 24HDN1 MQOW...

Страница 33: ...te which located on the side panel of the unit Please refer to the nameplate before selecting the cable fuse and switch 7 3 Pipe length and the elevation Models Pipe size Gas Liquid MSV1 09HRFN1 MT0W...

Страница 34: ...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 sho...

Страница 35: ...e 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...

Страница 36: ...to the closed position immediately Do this quickly so that the gauge ends up indicating 0 3Mpa 43 5Psi to 0 5 Mpa 72 5Psi Disconnect the charge set and tighten the 2 way and 3 way valve s stem nuts U...

Страница 37: ...igerant is R410A make the cylinder bottom up to ensure liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to pu...

Страница 38: ...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 c...

Страница 39: ...s activated DEFROST indication lamp Only for heat pump models Lights up when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating operation...

Страница 40: ...e the indoor fan will be also controlled by anti cold wind function 9 3 7 Compressor preheating functions Preheating permitting condition If T4 outdoor ambient temperature 3 and the machine connects t...

Страница 41: ...operation frequency If users switch on AC by remote controller the compressor will run at the Fmax frequency for 7 minutes according to the outdoor ambient temp During the 7 minutes the frequency limi...

Страница 42: ...ode indoor fan runs all the time and the speed can be selected as high medium low and auto Auto fan in cooling mode acts as follow 4 3 High Low 1 Medium 1 5 9 4 3 Heating Mode 9 4 3 1 Compressor runni...

Страница 43: ...cy G Decrease the frequency to the lower level until to F1 H Run at F1 for 1h if T1 Ts T 6 the compressor will stop Meanwhile the compressor running frequency is limited by the current I3HEAT I2HEAT I...

Страница 44: ...he units start defrosting The units run with T3 3 for 40 minutes and T3 keeps lower than TCDI for more than 3 minutes The units run with T3 3 for 80 minutes and T3 keeps lower than TCDI 2 for more tha...

Страница 45: ...41 Compressor on off on on on off off off 4 way valve Outdoor fan Indoor fan Indoor fan breeze 10s xx 10s no longer than 10m 30s FrequencyF8 10s Frequency F2...

Страница 46: ...ng the compressor will keep stopping for 15 minutes and then choose mode according to T1 Ts If the setting temperature is modified the machine will choose running function again 9 4 5 Drying mode 9 4...

Страница 47: ...perature stops rising and indoor fan is fixed as low speed Anti cold wind function has the priority 9 4 8 3 Timer setting is available 9 4 8 4 When user uses timer off function in sleep mode or sleep...

Страница 48: ...ating operation the preset temperature of the air conditioner can be as lower as 8 which keeps the room temperature steady at 8 and prevents household things freezing when the house is unoccupied for...

Страница 49: ...scharge the electricity power in capacitor Electrolytic Capacitors HIGH VOLTAGE CAUTION For MSV1 09HRFN1 MT0W and MSV1 12HRFN1 MT0W models there is a discharge resistance fixed on outdoor PCB board al...

Страница 50: ...t discharge resistance approx 100 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 pl...

Страница 51: ...utdoor unit fan speed has been out of control only for MSV1 09HRFN1 MT0W and MSV1 12HRFN1 MT0W models P0 IPM malfunction or IGBT over strong current protection P1 Over voltage or too low voltage prote...

Страница 52: ...en and LED5 red are two lights controlled by the compressor drive chip Below are meanings for those lights No Problems LED6 Green LED5 Red IU display 1 standby for normal O X 2 Operation normally X O...

Страница 53: ...the EEPROM chip is welded on main PCB replace the main PCB directly Otherwise check whether the EEPROM chip plugged in main PCB well Yes No Yes Correct the connection Replace the main PCB Shut off the...

Страница 54: ...ith S port Yes Power off then turn on the unit 5 seconds later reconnect the power wire Is the error still displaying after several minutes No Replace the outdoor main PCB Power on Is the error exting...

Страница 55: ...l 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 a certain v...

Страница 56: ...o crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal Supposed causes Connection mistake PCB faulty Trouble shooting Check if the connections and power supply...

Страница 57: ...Is it still displaying the error code Shut off the power supply rotate the fan by hand Does it rotate properly The unit operates normally Find out the cause and have it solved For example check whethe...

Страница 58: ...winding by using the tester If any resistance value is zero the fan motor must have problems and need to be replaced NO Color 1 Red 2 3 Black 4 White 5 Yellow 6 Blue Index2 1 Indoor AC fan motor Power...

Страница 59: ...ge 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 have problems and need to be replaced DC motor voltage input and ou...

Страница 60: ...56...

Страница 61: ...he LED will display the failure Supposed causes Wiring mistake Sensor faulty PCB faulty Trouble shooting Check the connections between temperature sensor and main PCB Are the connections good Correct...

Страница 62: ...together No Check if the outdoor fan runs properly or the outdoor unit ventilation is good Yes No For MSV1 09HRFN1 MT0W and MSV1 12HRFN1 MT0W models refer to the solution of fan speed has been out of...

Страница 63: ...59 P U P V...

Страница 64: ...60 P W P N...

Страница 65: ...unit with power supply and try to restart the unit when power supply gets normal No Yes No Correct the connections or replace the wires Yes Power on and when the unit is in standby check if the volta...

Страница 66: ...utlet or the heat exchanger of indoor and outdoor units Yes No Yes Yes Turn off the power supply and turn it on 10 minutes later Check if the unit can start normally No Check if the refrigerant charge...

Страница 67: ...ain PCB are integrated together No Check if the outdoor fan runs properly or the outdoor unit ventilation is good Yes No For MSV1 09HRFN1 MT0W and MSV1 12HRFN1 MT0W models refer to the solution of fan...

Страница 68: ...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 t...

Страница 69: ...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 33 326...

Страница 70: ...5 222 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...

Страница 71: ...67 Appendix 3 10 11 12 13 14 15 16 17 18 19 20 21 22 48 50 52 54 56 58 60 62 64 66 68 70 72 23 24 25 26 27 28 29 30 31 32 33 34 35 74 76 78 80 82 84 86 88 90 92 94 96 98...

Страница 72: ...Indoor fan motor WZDK20 38G WZDK20 38G RPG20B Outdoor fan motor WZDK35 38G WZDK35 38G YDK24 6GB Code 2T0032700154 2T0033000227 Model MSV1 18HRDN1 MQ0W MSV1 24HRDN1 MQ0W Compressor DA150S1C 20FZ DA150...

Страница 73: ...69 2 Compressor checking Measure the resistance value of each winding by using the tester Position Resistance Value DA108X1C 20FZ3 DA150S1C 20FZ Blue Red 0 71 20 68 0 95 20 68 Blue Black Red Blue...

Страница 74: ...WN UVW and N Digital tester Normal resistance value Digital tester Normal resistance value Red Black Several M Red Black Several M P N U N U V V W W Red 4 Indoor AC Fan Motor Measure the resistance va...

Страница 75: ...DT ODT 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 IDT ODT 75 23 89 85 29 44 95 35 105 40 56 115 46 11 MPA 70...

Страница 76: ...37 33 2 78 0 56 27 23 2 78 5 17 13 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 IDT ODT 57 53 13 89 11 67 47 43 8 33 6 11 37 33 2 78 0 56 27 23 2 78 5 17...

Страница 77: ...an 1 201100200106 7 1 Display board ssembly 1 201332590136 22 Chassis assembly 1 201132500007 8 Cover of indoor electronic control box 1 201132500012 23 Pipe clamp board 1 201232500001 9 Screw cap 3 2...

Страница 78: ...6 Wire joint 1 202301450119 13 3 Horizontal louver 1 201132500060 26 Remote Controller 1 203355091200 14 Drain hose 1 201101020038 27 Seal ring 1 202720090001 15 Fix clamp of temperature sensor 1 201...

Страница 79: ...ver of indoor electronic control box 1 201132500012 23 Pipe clamp board 1 201232500001 9 Screw cap 3 201132500055 24 Installation plate 1 201232590025 10 Panel frame assembly 1 201132501024 25 Electro...

Страница 80: ...76 14 Drain hose 1 201101020038 27 Seal ring 1 202720090001 15 Fix clamp of temperature sensor 1 201102000305 28 Drain connecter 1 201101020011...

Страница 81: ...ipe clamp board 1 201232500001 8 Cover of indoor electronic control box 1 201132500012 24 Installation plate 1 201232590025 9 Screw cap 3 201132500055 25 Electronic control box assembly 1 203332590441...

Страница 82: ...201132500060 26 Remote Controller 1 203355091200 14 Drain hose 1 201101020038 27 Seal ring 1 202720090001 15 Fix clamp of temperature sensor 1 201102000305 28 Drain connecter 1 201101020011 16 Evapora...

Страница 83: ...left 1 201133090174 22 Chassis assembly 1 201133090180 6 Air filter right 1 201133090177 23 Pipe clamp board 1 201232800103 7 Display box assembly 1 203332890007 24 Installation plate 1 201232990002...

Страница 84: ...rator assembly 1 201532890103 30 Fixing board of fan motor 1 201133090167 17 Pipe nut 1 201600330001 31 Horizontal louver above 1 201133091003 17 Pipe nut 1 201600330003 32 Horizontal louver below 1 2...

Страница 85: ...assembly 1 203333090277 8 Cover of indoor electronic control box 1 201133090170 25 1 Cover of electronic control box 1 201133090166 9 Screw cap 3 201133090175 25 2 Electronic control box 1 20113309016...

Страница 86: ...rator assembly 1 201533090113 30 Fixing board of fan motor 1 201133090167 17 Pipe nut 1 201600330002 31 Horizontal louver above 1 201133091003 17 Pipe nut 1 201600330004 32 Horizontal louver below 1 2...

Страница 87: ...20 Terminal board assembly 1 203337590049 7 Rear right clapboard assembly 1 201237590080 20 1 Wire joint 1 202301400223 8 Big handle 1 201237390104 20 2 Terminal board 1 201237590046 9 Water collecto...

Страница 88: ...84 16 1 Capacitor of compressor 1 202401000612 25 Discharge temperature sensor assembly 1 202301310068 16 2 Capacitor clip 1 201200100002 35 Electric heater of chassis 1 202403100187...

Страница 89: ...pboard assembly 1 201237590080 20 1 Wire joint 1 202301400223 8 Big handle 1 201237390104 20 2 Terminal board 1 201237590046 9 Water collector 1 201137400000 21 4 Ways valve assembly 1 201637591341 10...

Страница 90: ...86 16 2 Capacitor clip 1 201200100002 35 Electric heater of chassis 1 202403100187...

Страница 91: ...7 Rear right clapboard assembly 1 201237590080 21 2 4 Ways valve 1 201600690010 8 Big handle 1 201237390104 22 Liquid valve assembly 1 201637590287 9 Water collector 1 201137400000 22 1 Liquid valve 1...

Страница 92: ...88 18 Top cover assembly 1 201237900028...

Страница 93: ...0100 23 4 way valve assembly 1 201637790384 8 Big handle 1 201237390104 23 1 Gas valve 1 201600720194 9 Water collector 1 201137390017 23 2 4 Ways valve 1 201600690011 10 Front right clapboard assembl...

Страница 94: ...90 18 Left supporter 1 201248100367 32 Capacitor clip 1 201200100026 19 Partition board assembly 1 201237790031...

Страница 95: ...0100 23 4 way valve assembly 1 201637790384 8 Big handle 1 201237390104 23 1 Gas valve 1 201600720194 9 Water collector 1 201137390017 23 2 4 Ways valve 1 201600690011 10 Front right clapboard assembl...

Страница 96: ...92 18 Left supporter 1 201248100367 32 Capacitor clip 1 201200100026 19 Partition board assembly 1 201237790031...

Страница 97: ...clapboard assembly 1 201238090067 24 Compressor 1 201400600530 8 Big handle 1 201237390104 25 Crankcase electric heater 1 202403100501 9 Water collector 1 201138090002 26 Discharge temperature sensor...

Страница 98: ...1200100026 19 Partition board sembly 1 201238090004 36 Capacitor of compressor 1 202401000612 20 Electronic control box assembly 1 203338090134 37 Inductance cover 1 201238090037 21 Terminal board ass...

Страница 99: ...anel 2 Remove the filter and horizontal louver 3 Remove the three fixing screws 4 Remove the cover one screw 5 Lift the panel frame and release the two connectors One is for the display board ass y Th...

Страница 100: ...3 Pull out the connectors of the swing motor ionizer fan motor and the capacitor 4 Remove the two fixing screws and then remove the electronic control box and air outlet ass y Swing motors From right...

Страница 101: ...d procedure 2 remove the pipe holder at the rear side of the unit 2 Remove the four screws on the evaporator at the base bearing side 3 Remove two screws on the evaporator at the fixed plates and then...

Страница 102: ...4 Fan and motor How to remove the fan and motor 1 After remove the evaporator ass y following procedure 1 procedure 2 and procedure 3 remove the five screws 2 Then separate the fan and motor Five scre...

Страница 103: ...oner and turn OFF the power breaker 2 Refer to the right side photos find out the fixing screws of the panels 3 Remove the screws of top panel and remove the top panel Screws of water connector on rig...

Страница 104: ...fixing screws of motor holder and then remove the front panel 5 Remove the screws of the right side plate and remove the right side plate Screw of the top panel Screw of top panel Screws of right rea...

Страница 105: ...nel plate following procedure 1 remove the hex nut fixing the fan and then remove the fan 2 Unfix the hooks and then open the electronic control box cover Fan ass y Compressor and liquid gas separator...

Страница 106: ...5 Then remove the fan motor Fan motor connector 3 Electrical parts How to remove the electrical parts 1 After finish work of item 1 and item 2 remove the two connectors for the compressor and the reac...

Страница 107: ...coil temp sensor T3 outdoor ambient temp sensor T4 and discharge temp sensor T5 4 Disconnect the compressor crankcase heater connector 5 Remove the ground wires 6 Remove the power supply wires L1 L2 S...

Страница 108: ...s y can be removed The picture of four way valve may be different from the one on your side 5 Compressor How to remove the compressor 1 After perform work of item1 2 3 2 Remove the discharge pipe and...

Страница 109: ...and turn OFF the power breaker 2 Refer to the right side photos find out the fixing screws of the panels 3 Remove the screws of top panel and remove the top panel Screws of water connector on right s...

Страница 110: ...fixing screws of motor holder and then remove the front panel 5 Remove the screws of the right side plate and remove the right side plate Screw of the top panel Screw of top panel Screws of right rea...

Страница 111: ...te following procedure 1 remove the hex nut fixing the fan and then remove the fan 2 Unfix the hooks and then open the electronic control box cover LAK board optional Compressor and liquid gas separat...

Страница 112: ...e the fan motor 3 Electrical parts How to remove the electrical parts 1 After finish work of item 1 and item 2 remove the three connectors for the compressor and the reactors and the compressor crankc...

Страница 113: ...sensor condenser coil temp sensor T3 outdoor ambient temp sensor T4 and discharge temp sensor T5 4 Remove the grounding screw 5 Remove the power supply wires L1 L2 S 6 Then remove the electronic cont...

Страница 114: ...s y can be removed The picture of four way valve may be different from the one on your side 5 Compressor How to remove the compressor 1 After perform work of item1 2 3 2 Remove the discharge pipe and...

Страница 115: ...urn OFF the power breaker 2 Refer to the right side photos find out the fixing screws of the panels 3 Remove the screws of top panel and remove the top panel Screws of water connector on right side pl...

Страница 116: ...fixing screws of motor holder and then remove the front panel 5 Remove the screws of the right side plate and remove the right side plate Screw of the top panel Screw of top panel Screws of right rea...

Страница 117: ...following procedure 1 remove the hex nut fixing the fan and then remove the fan 2 Unfix the hooks and then open the electronic control box cover LAK board optional Compressor and liquid gas separator...

Страница 118: ...e the fan motor 3 Electrical parts How to remove the electrical parts 1 After finish work of item 1 and item 2 remove the three connectors for the compressor and the reactors and the compressor crankc...

Страница 119: ...sensor condenser coil temp sensor T3 outdoor ambient temp sensor T4 and discharge temp sensor T5 4 Remove the grounding screw 5 Remove the power supply wires L1 L2 S 6 Then remove the electronic cont...

Страница 120: ...s y can be removed The picture of four way valve may be different from the one on your side 5 Compressor How to remove the compressor 1 After perform work of item1 2 3 2 Remove the discharge pipe and...

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