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Daikin RKM28NV2S, Service Manual

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Daikin RKM28NV2S Service Manual Download Page 18

Compressor

Si001271EE

16

Removal Procedure

2

3

Pull out the compressor 
lead wires.

Remove the overload 
protector.

4

Heat up the brazed 
parts and withdraw the 
piping with pliers.

5

6

Remove the 2 nuts.

Remove the 
compressor.

Step

Procedure

Points

W (blue)

U (red)

Overload 
protector

V (yellow)

(R18914)

(R9646)

(R9472)

Summary of Contents for RKM28NV2S

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 6 0 6 3 7 1 kW Class 24000 28000 Btu h Class Outdoor Unit Inverter Pair Type Si001271EE...

Page 2: ...zCooling Only zHeat Pump RKM28NV2S RXM63NVLT RKM71PVMG RXS60MVLT RKS24JV2S RXS71FVMV RKS28JV2S RXS71FAV1B9 RKS60MVLT RXS71FAV1B8 RX71GV1B9 RKS71FVMV RX71GV1B8 RKS71GVM4 RXS71GVMV RKS71GVMV RXV71NVLT R...

Page 3: ...Outer Panels 2 2 Electrical Box 6 3 PCBs 9 4 Fan Motor 11 5 Coils Thermistors 12 6 Sound Blankets 14 7 Compressor 15 Note The illustrations may be slightly different depending on the model The illust...

Page 4: ...tep Procedure Points 1 Remove the suction grille 1 2 Unfasten the 5 hooks Remove the suction grille 2 Remove the top panel The design of the discharge grille varies depending on the model 1 2 Remove t...

Page 5: ...t panel 2 downward to unfasten the hook 1 Remove the 2 screws and remove the front panel 2 5 Remove the front panel 1 Remove the discharge grille and the outdoor fan before removing the front panel 1...

Page 6: ...emove the 5 screws 5 Release the hook and remove the front panel 1 6 Remove the rear panel When reassembling make sure that the hook is securely fastened before tightening the screw 1 2 Remove the scr...

Page 7: ...ound wires Detach the connecting wire and the power supply wire 7 Release the holder and harness of the outdoor temperature thermistor 8 9 Remove the 5 screws Unfasten the 2 hooks and remove the rear...

Page 8: ...g off all power supplies before disassembling work Step Procedure Points 1 Remove the screw on the stop valve mounting plate 2 Remove the screw on the partition plate 1 3 Remove the 2 screws to detach...

Page 9: ...onnectors of the front side S20 electronic expansion valve coil S40 overload protector S80 four way valve coil S90 thermistors The cooling only models have no harness for S80 When reassembling insert...

Page 10: ...lamp of the thermistor harness from the hole of the electrical box 9 10 Release the clamp Disconnect the relay connector for the compressor 11 12 Unfasten the hook Remove the electrical box Step Proce...

Page 11: ...e the 4 hooks The hooks are indicated by W 2 Disconnect the connectors S52 S102 from the service monitor PCB S52 S102 to main PCB 3 Detach the 4 clamps with pliers and remove the service monitor PCB 4...

Page 12: ...own N1 White N2 Blue 8 Disconnect the 2 harnesses for the reactor HR1 HR2 HR1 White HR2 Blue The harness for HR2 has a ferrite core 9 10 11 Remove the 3 screws of the main PCB Release the 4 hooks Lift...

Page 13: ...s 1 2 Remove the 2 lower screws first Then remove the 2 upper screws Be sure to remove the lower screws first If the top screws are removed first the fan motor may tilt down or fall and cause injury b...

Page 14: ...rocedure Points 1 Pull out the electronic expansion valve coil 2 Remove the screw and remove the four way valve coil The cooling only models have no four way valve coil 3 Pull out the outdoor heat exc...

Page 15: ...e sound blanket top upper The design of the sound blankets varies depending on the model 6 Remove the discharge pipe thermistor Be careful not to lose the fixture for the thermistor Step Procedure Poi...

Page 16: ...sound blanket outer The design of the sound blankets varies depending on the model The sound blanket is fragile Carefully pass the discharge pipe through it Since the piping ports are torn easily remo...

Page 17: ...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 18: ...l out the compressor lead wires Remove the overload protector 4 Heat up the brazed parts and withdraw the piping with pliers 5 6 Remove the 2 nuts Remove the compressor Step Procedure Points W blue U...

Page 19: ...71FAV1B9 RX71GV1B9 04 2013 Si001271_B Model addition RKS24 28JV2S RK X S60MVLT RKS71HVM RKS71JVMG 11 2013 Si001271EC Model addition RKS71GVM4 RKS71GVMV RXS71FAV1B8 RX71GV1B8 02 2014 Si001271ED Model a...

Page 20: ...ries 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 acce...

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