Daikin RKM20QVMA User Manual Download | Manualshive

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REMOVAL

PROCEDURE

S E R V I C E M A N U A L

Outdoor Unit

Inverter

Pair Type

2.0/2.2/2.5/2.8/3.5 kW Class

Si001653EA

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Summary of Contents for RKM20QVMA

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Outdoor Unit Inverter Pair Type 2 0 2 2 2 5 2 8 3 5 kW Class Si001653EA...

Page 2: ...Service Manual Removal Procedure Outdoor Unit zCooling Only zHeat Pump RKM20QVMA RXF25QVMA RKM25QVMA RXF35QVMA RKM35QVMA RXM20QVMA RXM25QVMA RXM35QVMA RXV25QVMV RXV35QVMV RXV22RVLT RXV28RVLT...

Page 3: ...Box PCB 5 4 Suction Grille Protection Net Thermistor ASSY 10 5 Sound Blankets 13 6 Partition Plate Electronic Expansion Valve Coil 14 7 Four Way Valve 15 8 Compressor 18 Note The illustrations may be...

Page 4: ...oints 1 2 Remove the 4 screws and then the top panel Remove the 5 screws of the front panel 3 4 Lift up the left side of the front panel and unfasten the 3 hooks Unfasten the 2 right side hooks and re...

Page 5: ...the fan motor lead wire through the back of the fan motor to avoid any entanglement with the outdoor fan 3 Remove the nut and then the outdoor fan Nut size M6 When reassembling align the mark of the o...

Page 6: ...Procedure 5 Unfasten the 3 hooks on the fan motor fixing frame and release the fan motor lead wire 6 Remove the 4 screws from the fan motor 7 Remove the fan motor Step Procedure Points Hook Fan motor...

Page 7: ...ling work Step Procedure Points 1 Remove the shield plate When reassembling make sure to fit the 4 hooks 1 2 Remove the screw of the stop valve cover Slide the stop valve cover downward and remove it...

Page 8: ...white back 3 red front 1 Disconnect the 3 connectors from the terminal board 2 Disconnect the connector S80 S80 four way valve coil Cooling only models have no harness for S80 3 Disconnect the connec...

Page 9: ...ct the connector S90 and pull out the clamp S90 thermistors 6 Disconnect the relay connector for compressor and remove the harness from the wire clip When reassembling make sure the compressor harness...

Page 10: ...the 2 screws of the electrical box 8 Lift up the electrical box and remove it When reassembling make sure to fit the rear hook 3 Remove the PCB 1 Remove the earth ground screw Step Procedure Points R2...

Page 11: ...Si001653EA Electrical Box PCB Removal Procedure 9 2 3 Remove the 5 screws of the PCB Unfasten the 2 hooks and release the 2 spacers 4 Remove the PCB Step Procedure Points Hook Spacer R22845 PCB R22846...

Page 12: ...net When reassembling make sure to pass the outdoor temperature thermistor through the top part of the heat exchanger first 2 Remove the 3 screws and then the suction grille For models with protection...

Page 13: ...wire fixture 7 8 Remove the earth ground screw Remove the 5 screws For models with protection net Remove the 6 screws 9 10 Lift up the right side panel to unfasten the 2 hooks Remove the right side pa...

Page 14: ...for the thermistor 12 13 Cut the clamp Pull out the outdoor heat exchanger thermistor and remove the thermistor ASSY The location of the thermistor is different depending on the model Be careful not t...

Page 15: ...ep Procedure Points 1 Remove the sound blanket top The design of the sound blankets varies depending on the model Since the piping ports on the sound blanket are torn easily remove the blanket careful...

Page 16: ...utes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws of the partition plate 2 Lift up the partition plate and remove it When reassemb...

Page 17: ...For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry Note Before working make sure that the refrigerant gas is empty in the circuit Be sure to a...

Page 18: ...minal cover 3 4 Remove the protection bushing Disconnect the compressor lead wires U V W and the overload protector 5 Remove the 2 putties Step Procedure Points Terminal cover R22867 U red V yellow W...

Page 19: ...Si001653EA Four Way Valve Removal Procedure 17 6 Heat up the 4 brazed parts and remove the four way valve Step Procedure Points Four way valve Brazed part R22870...

Page 20: ...refrigerant gas Restore the piping by non oxidation brazing Note Before working make sure that the refrigerant gas is empty in the circuit Be sure to apply nitrogen replacement when heating up the br...

Page 21: ...eat up the brazed part of the discharge side pipe and disconnect it Heat up the brazed part of the suction side pipe and disconnect it Remove the 2 nuts Lift up the compressor and remove it Step Proce...

Page 22: ...Revision History Month Year Version Revised contents 02 2016 Si001653E First edition 11 2016 Si001653EA Model addition RXF25 35QVMA RXV22 28RVLT...

Page 23: ...ies supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorised parts and accessories or improper installation of parts and acces...

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