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Daikin RKM50PRV16, Service Manual

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Daikin RKM50PRV16 Service Manual Download Page 22

Revision History

Month / Year

Version

Revised contents

05 / 2014

Si001405E

First edition

11 / 2015

Si001405EA

Model addition: RKM50/60QRV16, RKMA50/60QRV16, RKMD50/60QRV16, 

RKP71QRV16, RKPA71QRV16, RKPD71QRV16

08 / 2016

Si001405EB

Model addition: RKM50/60RRV16, RKMA50/60RRV16, RKMD50/60RRV16, 

RKP71RRV16, RKPA71RRV16, RKPD71RRV16

Summary of Contents for RKM50PRV16

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L 5 0 6 0 7 1 kW Class Outdoor Unit Inverter Pair Type Si001405EB ...

Page 2: ... zCooling Only RKM50PRV16 RKM60PRV16 RKM50QRV16 RKM60QRV16 RKM50RRV16 RKM60RRV16 RKMA50QRV16 RKMA60QRV16 RKMA50RRV16 RKMA60RRV16 RKMD50QRV16 RKMD60QRV16 RKMD50RRV16 RKMD60RRV16 RKP71QRV16 RKP71RRV16 RKPA71QRV16 RKPA71RRV16 RKPD71QRV16 RKPD71RRV16 ...

Page 3: ... 1 Outer Panels 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 Compressor 18 Note The illustrations may be slightly different depending on the model ...

Page 4: ...nutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 4 screws and then the top panel 2 Remove the 4 screws and then the left side cover 3 Remove the 7 screws of the front panel Top panel R20218 Left side cover R20219 R23688 Front panel ...

Page 5: ...charge grille 5 Unfasten the 2 hooks and remove the front panel When reassembling make sure that the 2 hooks are securely fastened 6 Unfasten the 6 hooks and remove the discharge grille Step Procedure Points R23689 Discharge grille Hook R20221 R20222 Hook Hook Discharge grille ...

Page 6: ...t for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Cut the clamp 2 Disconnect the connector S79 S79 fan motor 3 Release the fan motor lead wire from the 2 slits and the 4 hooks on the electrical box R23690 Clamp S79 R20224 R20429 Hook Slit ...

Page 7: ...ve 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 lead wire When reassembling put the fan motor lead wire through the back of the fan motor to avoid entanglement with the outdoor fan 8 Remove the 4 screws and then the fan motor Step Procedure Points Nut Outdoor fan R20225 10 mm 0 39 inch R18954 Fan motor fixing ...

Page 8: ... to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Cut the clamp 2 Disconnect the connector S79 S79 fan motor 3 Disconnect the connector S20 S20 electronic expansion valve coil R23690 Clamp S79 R20224 S20 R20227 ...

Page 9: ...nect the connector S40 S40 overload protector 5 Disconnect the connector S90 S90 thermistors 6 Cut the clamp 7 Disconnect the relay connector for the compressor Step Procedure Points S40 R20228 S90 R20229 R20230 Clamp Relay connector for compressor R20231 ...

Page 10: ...e 8 9 Remove the screw Slide the stop valve cover downward and remove it When reassembling make sure to fit the 3 hooks 10 Remove the 3 screws and then the wire fixture Step Procedure Points R20232 Stop valve cover R20233 Hook R18441 Wire fixture ...

Page 11: ...necting wire and the power supply wire 12 Remove the 2 screws on the right side panel 13 14 Remove the screw on the partition plate Lift up and remove the electrical box Step Procedure Points R20431 Connecting wire Power supply wire Terminal board R20432 Right side panel Electrical box R20234 ...

Page 12: ...sembling work Step Procedure Points 1 Remove the screw and then the electrical box cover 2 3 Disconnect the 3 connectors from the terminal board Remove the screw and release the earth ground wire upper 4 Cut the 2 clamps Electrical box cover R20235 Connector R23794 Earth ground wire upper screw R23817 HN1 white HL1 black S red Clamp R20238 ...

Page 13: ... connector for the fan motor 6 Remove the 7 screws 7 Remove the main PCB 8 9 Turn over the electrical box Pinch the 4 clamps and remove the relay PCB Step Procedure Points R20239 Relay connector for fan motor R20240 Main PCB R20241 R20242 Relay PCB Clamp Clamp ...

Page 14: ...rmistor When reassembling pass the outdoor temperature thermistor through the top U bend of the outdoor heat exchanger 2 3 Remove the 5 screws of the right side panel Remove the right side panel 4 5 Cut the clamp Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip for the thermistor R19516 Outdoor temperature thermistor R23691 R19517 Right side panel Clamp R20244 Outdoor...

Page 15: ...val Procedure 13 6 7 Release the discharge pipe thermistor Remove the thermistor ASSY Be careful not to lose the fixture for the thermistor Step Procedure Points Discharge pipe thermistor R22575 R20246 Thermistor ASSY R20430 Fixture ...

Page 16: ...upplies before disassembling work Step Procedure Points 1 Remove the 2 screws and then the partition plate Since the piping ports are torn easily remove the sound blanket carefully 2 3 Untie the string and open the sound blanket outer Pull out the sound blanket outer 4 Remove the sound blanket top R23692 Partition plate R20248 Sound blanket outer R20249 Sound blanket top ...

Page 17: ...the sound blanket inner 6 Pull out the sound blanket bottom When reassembling mount the sound blankets and the partition plate in the following order 1 Bottom 2 Inner 3 Outer 4 Top 5 Partition plate Step Procedure Points Sound blanket inner R20250 R19453 Sound blanket bottom ...

Page 18: ...hat the refrigerant gas is empty in the circuit Be sure to apply nitrogen replacement when heating up the brazed part Do not use a metal saw for cutting pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influe...

Page 19: ...isconnect the compressor lead wires and the overload protector 5 6 Remove the putties Heat up the 2 brazed parts and remove the electronic expansion valve Step Procedure Points R22576 U red W blue V yellow Protection bushing Overload protector Putty R20254 Brazed part Electronic expansion valve ...

Page 20: ...ake sure that the refrigerant gas is empty in the circuit Be sure to apply nitrogen replacement when heating up the brazed part Do not use a metal saw for cutting pipes by all means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame can...

Page 21: ...ge 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 Step Procedure Points R23693 Compressor Nut Brazed part of the suction side pipe Brazed part of the discharge side pipe ...

Page 22: ...5 2014 Si001405E First edition 11 2015 Si001405EA Model addition RKM50 60QRV16 RKMA50 60QRV16 RKMD50 60QRV16 RKP71QRV16 RKPA71QRV16 RKPD71QRV16 08 2016 Si001405EB Model addition RKM50 60RRV16 RKMA50 60RRV16 RKMD50 60RRV16 RKP71RRV16 RKPA71RRV16 RKPD71RRV16 ...

Page 23: ...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 accessories can result in water or refrigerant leakage electrical shock fire or explosion z Read the user s manual carefully before using this product The user s manual provides important safety instruct...

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