Midea SEL-KF20GW/Y-A(B) Service Manual Download Page 40

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GD Midea Refrigerant Equipment Co. Ltd Service manual for Electrolux split Series

4.2.15 For models:

AU-KF85GW/Y-A(B)

4.2.15 For models:

AU-KFR85GW/Y-A(B)

Summary of Contents for SEL-KF20GW/Y-A(B)

Page 1: ...EL KFR61GW Y A B EL KF70GW Y A B EL KFR70GW Y A B EL KF90GW Y A B EL KFR90GW Y A B EL KF90GW SY A B EL KFR90GW SY A B AU KF61GW Y A B AU KFR61GW Y A B AU KF70GW Y A B AU KFR70GW Y A B AU KF85GW Y A B...

Page 2: ...CE MANUAL provides various servicing information including the mechanical and electrical parts etc This room air conditioner was manufactured and assembled under a strict quality control system The re...

Page 3: ...n mode AUTO COOL DRY HEAT Reverse cycle models only and FAN Fan speed button Select the Fan speed AUTO LOW MED HIGH ON OFF button Press this button to operation the unit again to stop Temperature sett...

Page 4: ...ant pipe hole D65 Right refrigerant pipe hole D65 Installation plate 280 815 150mm or more t o ceiling 50 50 For Size C indoor unit 50 1000 49 90 55 50 Right pipe hole D65 120mm or more to the wall In...

Page 5: ...EL1 KFR20GW Y A B EL1 KF26GW Y A B EL1 KFR26GW Y A B EL1 KF20GW N2Y A B EL1 KFR20GW N2Y A B EL1 KF26GW N2Y A B EL1 KFR26GW N2Y A B SEL KF20GW Y A B SEL KFR20GW Y A B SEL KF26GW Y A B SEL KFR26GW Y A B...

Page 6: ...tic Expansion Sheath 8 4 Drain Joint 1 5 Wrapping Tape 6 Connection Pipe Assembly Detail in below table 7 Connecting Cable 8 Additional Drain Pipe Outer Diameter15 5mm 9 Insulation Materials 10 Cable...

Page 7: ...place where there are no obstacles in front or around the unit Make sure that condensation drainage can be conveniently routed away Do not install near a doorway Ensure that the space on the left and...

Page 8: ...m 1 2 12 7mm 5 8 16 0mm Piping LIQUID 1 4 6 35mm 1 4 6 35mm 3 8 9 53mm Standard Length m 5 5 5 Max Elevation B m 5 5 5 Max Length A m 10 10 10 Additional Refrigerant g m 30 30 65 Cautions Capacity is...

Page 9: ...tubing 2 4 1 3 Putting flare nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal Note It is not possible to put them on after flaring...

Page 10: ...lent is recommended 2 4 2 1 4 Insert the piping drain hose and the connecting cable into the piping hole 2 4 2 1 5 Set the piping and the drain hose to the back of the chassis with the tubing holder S...

Page 11: ...hrough the piping hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy connection later 2 4 2 2 3 Tape the drain hose and the connecting cable Be sure that the dr...

Page 12: ...ther by wrapping them with vinyl tape over the range within which they fit into the rear piping housing section 2 4 2 2 8 Set the piping and the drain hose to the back of the chassis with the tubing h...

Page 13: ...x individually according to the outdoor unit connection Refer to Wiring diagram Ensure that the color of the wires of the outdoor unit and the terminal number are the same as CAUTION Ensure that all e...

Page 14: ...onditions prepare the wiring as follows 1 Never fail to have an individual power circuit specifically for the air conditioner As for the method of wiring be guided by the circuit diagram posted on the...

Page 15: ...1 Form the piping by wrapping the connecting portion of the indoor unit with insulation material and secure it with narrow vinyl tape and wide vinyl tape If you want to connect an additional drain ho...

Page 16: ...fold set with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses Pressurizes the system to no more than 1MPa Approx 145psi with dry nitrogen gas and close the cylinde...

Page 17: ...pacity Pipe Length L Air Purge Method Timer required min 5m Use Vacuum Pump 25 5 10m Use Vacuum Pump 30 When the desired vacuum is reached close the LO knob of the manifold set and stop the vacuum pum...

Page 18: ...the rear of the remote control off 2 Insert new batteries making sure that the and of battery are installed correctly 3 Slide the battery compartment cover back on NOTES Always use 2 x AAA 1 5Volt bat...

Page 19: ...ed when the unit is to be relocated or the refrigerant circuit is serviced Pump Down means collecting all refrigerant in the outdoor unit without loss of refrigerant gas CAUTION Be sure to perform Pum...

Page 20: ...19 3 TROUBLESHOOTING GUIDE 3 1 REFRIGERATION CYCLE DIAGRAM For Reverse Cycle Type For Cooling Only Type...

Page 21: ...3V FOR THREE PHASE POWER MODELS Phase voltage 380 420V Single phase 220 240V 338V 196V 445V 253V ROOM AIRCONDITIONER TEMPERATURE OPERATION LIMITS Cooling operation Outdoor unit air temp DB 45 40 35 30...

Page 22: ...current protection of the compressor occurs 4 times X Indoor fan speed has been out of control for over 1 minute X No over zero signal Temp sensor on indoor evaporator is open circuit or short circuit...

Page 23: ...Recycle the refrige rant and recharge R eplace the re verse v alve Check the position and wiring of tem p sensor all of the m If wrong the unit w ill result in current prote ction not tem p C heck the...

Page 24: ...failure Not operating Indoor PCB failure Replace after checked failure Cross flow fan failure Replace the fan if cracked out of balance or partially missing Loose screws Tighten them Worn bearings Rep...

Page 25: ...ort circuit Indoor PCB failure Replace after checked failure Soft starter module failure Check the module and the capacitor connected to the module Replace if failure Over load or too low voltage prot...

Page 26: ...ng Replace the motor if the speed is not within 10 of manufacturer s rating but not because of the capacitor Less refrigerant Check the tubes for reasons of leakage Recycle the refrigerant correct the...

Page 27: ...OOR UNI T Y G 1 2 N 3 4 BROWN Y G COMPRESSOR RELAY CN15 8 7 6 5 4 3 2 1 4 1 2 For models EL KFR20GW N2Y A B EL KFR26GW N2Y A B EL KFR36GW N2Y A B EL KFR20GW Y A B EL KFR26GW Y A B EL KFR32GW Y A B EL...

Page 28: ...R E S EN S OR P IP E TE MP ER AT UR E SE NS OR JX1 INDOOR UNIT TO OUTDOOR UNIT Y G 1 2 N 3 4 BROWN Y G COMPRESSOR RELAY CN15 8 7 6 5 4 3 21 4 1 4 For models EL KF50GW N2Y A B EL KF50GW Y A B EL KT3F53...

Page 29: ...1GW N2Y A B EL KFR61GW N2Y A B EL KF70GW N2Y A B EL KFR70GW N2Y A B EL KF61GW Y A B EL KFR61GW Y A B EL KF70GW Y A B EL KFR70GW Y A B AU KF61GW Y A B AU KFR61GW Y A B AU KF70GW Y A B AU KFR70GW Y A B...

Page 30: ...IT2 FAN1 SWING TRANS1 RT1 RT2 XT1 CN1 CN11 XP2 XS2 PART NAME MAIN CONTROL PCB DISPLAY PCB INDOOR FAN SWING MOTOR TRANSFORMER ROOM TEMPERATURE SENSOR PIPE TEMPERATURE SENSOR 5 WAY TERMINAL PCB SOCKETS...

Page 31: ...SENSOR P IPE T EMP ER ATU RE S ENS OR JX1 INDOOR UNIT TO OUTDOOR UNIT Y G 1 2 N 3 4 2 1 YELLOW BLUE GREEN COMPRESSOR RELAY CN15 8 7 6 5 4 3 21 CN13_ BLACK RED BLACK 4 1 10 For models SEL KF53GW Y A B...

Page 32: ...TO OUTDOOR UNIT Y G 1 2 N 3 4 2 1 BLACK YELLOW BLUE GREEN COMPRESSOR RELAY CN15 8 7 6 5 4 3 21 CN13_ 1 2 3 4 5 1 2 3 4 5 LO U VER MOTOR 2 LOUV E R MOTOR 1 4 1 12 For models SEL1 KF26GW Y A B 12 34 5 1...

Page 33: ...1 KF26GW N2Y A B EL1 KF35GW N2Y A B SEL KF20GW Y A B SEL KF26GW Y A B SEL KF32GW Y A B SEL1 KF26GW Y A B SEL1 KF36GW Y A B 4 2 2 For models EL KFR20GW N2Y A B EL KFR26GW N2Y A B EL KFR36GW N2Y A B EL...

Page 34: ...OUTDOOR UNIT BLACK BLACK BLACK Y G COMPRESSOR RED C S R WHITE BLUE COMPRESSOR CAPACITOR FAN MOTOR RED BLUE FAN CAPACITOR Y G OVERLOAD RELAY 4 2 4 For models EL KFR50GW N2Y A B EL KFR50GW Y A B EL KT3...

Page 35: ...A 250V RED RED RED RED C S R WIRING DIAGRAM OUTDOOR UNIT TO I NDO OR U NI T PO WER S UPPL Y 4 2 6 For models EL KFR61GW N2Y A B EL KFR70GW N2Y A B EL KFR61GW Y A B EL KFR70GW Y A B SEL KFR61GW Y A SEL...

Page 36: ...N4 BLACK BLACK FUSE 3 15A 250V 1 2 1 2 CAP1 BLACK WHITE RED RS RELEASE RESISTANCE RS 4 2 8 For models EL KFR90GW Y A B FAN2 BLACK WHITE KM2 CAP2 RS BROWN RED TRANS1 Y G 1 2 COMP S C R M WIRING DIAGRAM...

Page 37: ...LACK BLACK WHITE RED 1 2 6 4 5 3 B LU E Y G WHITE RED XT3 XT2 RE D N C B A XT1 RED 4 2 10 For models EL KFR90GW SY A B FAN2 WHITE RED TRANS1 1 2 COMP U T1 V T2 W T3 M CT UNIT1 BL UE BLUE BLUE WIRING D...

Page 38: ...B SOCKETS RELEASE RESISTANCE OUTDOOR FAN CAPACITOR COMPRESSOR START CAPACITOR 4 2 12 For models AU KFR61GW Y A B CODE UNIT1 COMP CAP1 CAP2 CAP3 XT1 XT2 VALVE XP1 XS1 RT3 KM1 CT TRANS1 CN1 CN11 RS FAN2...

Page 39: ...ISTANCE OUTDOOR FAN CAPACI TOR COMPRESSOR START C APACIT OR CAP4 WHITE WHITE 1 2 4 2 14 For models AU KFR70GW Y A B CODE UNIT1 COMP CAP1 CAP2 CAP3 CAP4 XT1 XT2 VALVE XP1 XS1 RT3 KM1 CT TRANS1 CN1 CN11...

Page 40: ...GD Midea Refrigerant Equipment Co Ltd Service manual for Electrolux split Series 39 4 2 15 For models AU KF85GW Y A B 4 2 15 For models AU KFR85GW Y A B...

Page 41: ...GD Midea Refrigerant Equipment Co Ltd Service manual for Electrolux split Series 40 5 EXPLODED VIEWS See attached files 6 REPLACEMENT PARTS LIST See attached files 7 SPECIFICATIONS See attached files...

Page 42: ...B MSE 30CRS EL KFR90GW SY A B MSE 30HRS AU KF61GW Y A B MSE 21CR AU AU KFR61GW Y A B MSE 21HR AU AU KF70GW Y A B MSE 24CR AU AU KFR70GW Y A B MSE 24HR AU AU KF85GW Y A B MSE 30CR AU AU KFR85GW Y A B M...

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