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Service Manual

Removal Procedure

Outdoor Unit

Cooling Only

Heat Pump

RKM20PVMA

RXJ25PVMA

RKM25PVMA

RXJ35PVMA

RKM35PVMA

RXM20PVMA

RXM25PVMA

RXM35PVMA

Содержание RKM20PVMA

Страница 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 2 0 2 5 3 5 kW Class Outdoor Unit Inverter Pair Type Si001420E...

Страница 2: ...Service Manual Removal Procedure Outdoor Unit zCooling Only zHeat Pump RKM20PVMA RXJ25PVMA RKM25PVMA RXJ35PVMA RKM35PVMA RXM20PVMA RXM25PVMA RXM35PVMA...

Страница 3: ...Fan Motor 4 3 Electrical Box 6 4 PCBs 9 5 Thermistor ASSY 15 6 Reactor Partition Plate 16 7 Sound Blankets 17 8 Four Way Valve 18 9 Compressor 20 Note The illustrations may be slightly different depen...

Страница 4: ...minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 3 screws and remove the top panel 2 Remove the drip proof cover 3 Remove the 4 screws...

Страница 5: ...the 4 hooks and remove the discharge grille 5 Remove the 8 screws of the front panel 6 Unfasten the 4 hooks and remove the front panel When reassembling make sure to fit the 4 hooks Step Procedure Poi...

Страница 6: ...ase the outdoor temperature thermistor from the protection net and pull out from the top U bend pipe of outdoor heat exchanger When reassembling make sure to pass the outdoor temperature thermistor th...

Страница 7: ...fixing frame When reassembling fit the lower 2 hooks into the bottom frame 7 Release the fan motor lead wire from the 2 hooks When reassembling put the fan motor lead wire through the back of the fan...

Страница 8: ...move it 3 4 5 Remove the 3 screws and remove the wire fixture Remove the 7 screws on the terminal board and detach the connecting wire and the power supply wire Remove the 4 screws and detach the dema...

Страница 9: ...ur way valve coil 2 Disconnect the relay connector for electronic expansion valve coil The cooling only models have no relay connector for electronic expansion valve coil disconnect the connector S20...

Страница 10: ...the connector S90 S90 thermistors 6 Disconnect the connector S40 S40 overload protector 7 Lift up the electrical box and remove it When reassembling connect the connectors in the reverse order Step Pr...

Страница 11: ...the 2 hooks of the cover for the demand controller and remove it 2 Disconnect the connectors S201 S203 S206 The demand controller as an optional accessory has S204 and S205 instead of S206 S201 termin...

Страница 12: ...main PCB 1 Cut the 3 clamps 2 Release the wires from the 3 hooks 3 Disconnect the connectors S100 S10 HL3 HN3 S100 forced operation button PCB S10 HL3 HN3 filter PCB Step Procedure Points Clamp Clamp...

Страница 13: ...01420E PCBs Removal Procedure 11 4 Release the wires from the hook 5 6 Remove the 6 screws Unfasten the 4 hooks and remove the main PCB Step Procedure Points Hook R21246 Hook Hook R21247 Main PCB R212...

Страница 14: ...ve the terminal board 3 Release the wires from the 2 hooks Inside view Hook A Harnesses connecting the main PCB and the filter PCB blue orange white black Reactor harness brown Hook B Harnesses for te...

Страница 15: ...ease the wires from the hook When reassembling make sure to insert the earth ground wire first 5 6 Remove the screw Unfasten the 2 hooks and remove the filter PCB Step Procedure Points Hook R21252 Ear...

Страница 16: ...420E 14 Removal Procedure 4 Remove the forced operation button PCB 1 Unfasten the hook on the back and remove the forced operation button PCB Step Procedure Points Forced operation button PCB Hook R21...

Страница 17: ...pen the sound blanket top Release the discharge pipe thermistor Be careful not to lose the fixture for the thermistor 3 4 Cut the clamp Pull out the outdoor heat exchanger thermistor and remove the th...

Страница 18: ...r turning off all power supplies before disassembling work Step Procedure Points 1 2 Remove the screw Slide the reactor to the left and remove it 3 Remove the 2 screws and remove the partition plate H...

Страница 19: ...g work Step Procedure Points 1 Remove the sound blanket top Since the piping ports are torn easily remove the sound blankets carefully 2 Untie the string and pull out the sound blanket outer 3 Pull ou...

Страница 20: ...p below 120 C 248 F 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...

Страница 21: ...over 4 5 Remove the protection bushing Disconnect the compressor lead wires and the overload protector 6 7 8 Remove the sheets of putty to avoid burning them Heat up and disconnect the every brazed pa...

Страница 22: ...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 bra...

Страница 23: ...utty to avoid burning them Heat up and disconnect the brazed part of the discharge side pipe Heat up and disconnect the brazed part of the suction side pipe Remove the 2 nuts and remove the compressor...

Страница 24: ...Revision History Month Year Version Revised contents 03 2015 Si001420E First edition...

Страница 25: ...ories 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 acc...

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