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Daikin RHM50HVMV, Service Manual

The Daikin RHM50HVMV Service Manual is essential for maintaining and troubleshooting this versatile product. With detailed instructions and diagrams, this manual ensures optimal performance. Download your free copy from manualshive.com to keep your Daikin product running smoothly.

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Si001658EA

PCBs

Removal Procedure

11

6

Disconnect the relay 
connector for the fan 
motor.

7

Remove the 7 screws, 
and then the main PCB.

8

9

Turn over the electrical 
box.

Pinch the 4 clamps and 
remove the clamp PCB.

Step

Procedure

Points

Relay connector for fan motor

(R23721)

Top view

(R23722)

Main PCB

(R23723)

(R24359)

Clamp PCB

Clamp

Clamp

Bottom view

Summary of Contents for RHM50HVMV

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 4 0 5 0 6 0 7 1 kW Class 18000 24000 28000 Btu h Class Outdoor Unit Inverter Pair Type Si001658EA...

Page 2: ...ure Outdoor Unit zCooling Only RKC18QV2S RKC24QV2S RKC28QV2S RKC50QVM RKC60QVM RKC71QVM RKC50QVM4 RKC60QVM4 RKC71QVM4 RKC50QVMV RKC60QVMV RKC71QVMV zHeat Pump RHM50HVMV RHM60HVMV RHM71HVMV RHP40HVLT R...

Page 3: ...nels 2 2 Outdoor Fan Fan Motor 4 3 Electrical Box 6 4 PCBs 10 5 Thermistor ASSY 12 6 Partition Plate Sound Blankets 14 7 Electronic Expansion Valve 16 8 Four Way Valve 18 9 Compressor 20 Note The illu...

Page 4: ...sassembling work Step Procedure Points 1 Remove the 4 screws and then the top panel 2 Remove the 7 screws of the front panel 3 Unfasten the 2 hooks on the right side first then unfasten the 3 hooks on...

Page 5: ...Procedure 3 4 Remove the 4 screws of the discharge grille 5 Unfasten the 6 hooks and remove the discharge grille When reassembling make sure that the 6 hooks are securely fastened Step Procedure Point...

Page 6: ...the clamp and pull out the sealing material 2 Disconnect the connector S79 S79 fan motor 3 Release the fan motor lead wire from the 2 slits and from the 4 hooks on the electrical box When reassembling...

Page 7: ...tor fixing frame Unfasten the 2 hooks at the bottom and remove the fan motor fixing frame When reassembling fit the 2 lower hooks into the bottom frame 7 Open the 2 hooks and release the fan motor lea...

Page 8: ...nnect the connector S80 and release the harness from the clamp The electrical box can be removed without removing the fan motor S80 four way valve Cooling only models do not have the connector S80 2 D...

Page 9: ...ct the relay connector for the compressor 6 7 Remove the screw of the stop valve cover Slide the stop valve cover downward and remove it When reassembling make sure that the 4 hooks are securely faste...

Page 10: ...e fixture 9 Remove the 7 screws on the terminal strip and disconnect the connecting wire and the power supply wire 10 Remove the 2 screws on the right side panel Step Procedure Points R23713 Wire fixt...

Page 11: ...Si001658EA Electrical Box Removal Procedure 9 11 12 Remove the screw on the partition plate Lift up and remove the electrical box Step Procedure Points Electrical box Partition plate R23716...

Page 12: ...cated with mark on the electrical box cover When reassembling make sure that the 2 hooks are securely fastened 3 4 Disconnect the 3 connectors from the terminal strip Remove the earth ground screw upp...

Page 13: ...for the fan motor 7 Remove the 7 screws and then the main PCB 8 9 Turn over the electrical box Pinch the 4 clamps and remove the clamp PCB Step Procedure Points Relay connector for fan motor R23721 To...

Page 14: ...heat exchanger 2 3 4 Remove the 5 screws Lift up the right side panel to unfasten the 2 hooks Remove the right side panel When reassembling make sure that the 2 hooks are securely fastened Some models...

Page 15: ...nket top and detach the discharge pipe temperature thermistor Be careful not to lose the fixture for the thermistor 8 Remove the thermistor ASSY Step Procedure Points Sound blanket top Discharge pipe...

Page 16: ...When reassembling fit the lower hook into the bottom frame 1 2 Remove the 2 screws Lift up the partition plate and remove it 2 Remove the sound blankets Since the piping ports are torn easily remove...

Page 17: ...d Blankets Removal Procedure 15 3 Cut the strings and open the sound blanket outer 4 Remove the sound blanket outer 5 Remove the sound blanket inner Step Procedure Points Sound blanket outer R24360 R2...

Page 18: ...efrigerant 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 braz...

Page 19: ...e compressor lead wires U V W and the overload protector 5 6 7 Cut the clamp Remove the putties Heat up the 2 brazed parts and remove the electronic expansion valve Step Procedure Points Terminal cove...

Page 20: ...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 21: ...nect the compressor lead wires U V W and the overload protector 5 6 7 Cut the clamp Remove the putty Heat up the 2 brazed parts and remove the four way valve Step Procedure Points Terminal cover R2374...

Page 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 br...

Page 23: ...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 3 nuts of the compressor Lift up the compressor and remove it...

Page 24: ...Revision History Month Year Version Revised contents 09 2016 Si001658E First edition 12 2016 Si001658EA Model addition RKC18 24 28QV2S RKC50 60 71QVM RKC50 60 71QVM4 RKC50 60 71QVMV RXF50 60QVMA...

Page 25: ...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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