Related Manuals for Daikin RKC18QV2S
Summary of Contents for Daikin RKC18QV2S
- Page 1 Si001658EA 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...
- Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only RKC18QV2S RKC24QV2S RKC28QV2S RKC50QVM RKC60QVM RKC71QVM RKC50QVM4 RKC60QVM4 RKC71QVM4 RKC50QVMV RKC60QVMV RKC71QVMV Heat Pump RHM50HVMV RHM60HVMV RHM71HVMV RHP40HVLT RHP50HVLT RXF50QVMA RXF60QVMA...
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Page 3: Table Of Contents
Si001658EA Table of Contents 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. Four Way Valve..................18 9. Compressor...................20 Note: The illustrations may be slightly different depending on the model. -
Page 4: Outer Panels
Outer Panels Si001658EA 1. Outer Panels Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the 4 screws, Top panel and then the top panel. (R23694) Remove the 7 screws of the front panel. - Page 5 Si001658EA Outer Panels Step Procedure Points Remove the 4 screws of the discharge grille. Discharge grille (R23697) Unfasten the 6 hooks When reassembling, make and remove the sure that the 6 hooks are discharge grille. securely fastened. (R23698) Removal Procedure...
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Page 6: Outdoor Fan / Fan Motor
Outdoor Fan / Fan Motor Si001658EA 2. Outdoor Fan / Fan Motor Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Cut the clamp and pull Sealing material Clamp out the sealing material. - Page 7 Si001658EA Outdoor Fan / Fan Motor Step Procedure Points Remove the nut, and Nut size: M6 then the outdoor fan. 10 mm (0.39 inch) (R18954) When reassembling, align mark of the fan rotor with the D-cut section of the motor shaft. D-cut Outdoor fan (R23702)
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Page 8: Electrical Box
Electrical Box Si001658EA 3. Electrical Box Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Disconnect the The electrical box can be [S80] Clamp connector [S80] and removed without removing release the harness the fan motor. - Page 9 Si001658EA Electrical Box Step Procedure Points Disconnect the [S90]: thermistors connector [S90] and cut [S90] the clamp. Clamp (R23709) Disconnect the relay connector for the compressor. Relay connector for compressor (R23710) Remove the screw of When reassembling, make the stop valve cover. sure that the 4 hooks are securely fastened.
- Page 10 Electrical Box Si001658EA Step Procedure Points Remove the 3 screws, and then the wire fixture. Wire fixture (R23713) Remove the 7 screws Terminal strip on the terminal strip and disconnect the connecting wire and the power supply wire. Connecting wire Power supply wire (R24514) 10 Remove the 2 screws...
- Page 11 Si001658EA Electrical Box Step Procedure Points Remove the screw on Electrical box the partition plate. Lift up and remove the electrical box. Partition plate (R23716) Removal Procedure...
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Page 12: Pcbs
PCBs Si001658EA 4. PCBs Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the screw. The locations of the hooks are indicated with mark Top view Hook Electrical box cover Unfasten the 2 hooks... - Page 13 Si001658EA PCBs Step Procedure Points Disconnect the relay Relay connector for fan motor connector for the fan motor. (R23721) Remove the 7 screws, Top view and then the main PCB. (R23722) Main PCB (R23723) Turn over the electrical box. Bottom view Clamp Pinch the 4 clamps and remove the clamp PCB.
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Page 14: Thermistor Assy
Thermistor ASSY Si001658EA 5. Thermistor ASSY Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Pull out the outdoor When reassembling, pass Back view Slit Thermistor wire temperature thermistor the outdoor temperature holder and release the... - Page 15 Si001658EA Thermistor ASSY Step Procedure Points Open the sound blanket Be careful not to lose the (top) and detach the fixture for the thermistor. discharge pipe Sound blanket temperature thermistor. (top) Fixture (R20430) Discharge pipe temperature thermistor (R23727) Remove the thermistor ASSY.
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Page 16: Partition Plate / Sound Blankets
Partition Plate / Sound Blankets Si001658EA 6. Partition Plate / Sound Blankets Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1. Remove the partition When reassembling, fit the plate. - Page 17 Si001658EA Partition Plate / Sound Blankets Step Procedure Points Cut the strings and open the sound blanket (outer). Sound blanket (outer) (R24360) Remove the sound blanket (outer). (R24361) Remove the sound blanket (inner). Sound blanket (inner) (R23735) Removal Procedure...
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Page 18: Electronic Expansion Valve
Electronic Expansion Valve Si001658EA 7. Electronic Expansion Valve Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine. - Page 19 Si001658EA Electronic Expansion Valve Step Procedure Points Remove the terminal cover. Terminal cover (R23737) Remove the protection Protection bushing bushing. Disconnect the compressor lead wires U (red) (U, V, W) and the overload protector. Overload protector V (yellow) W (blue) (R23738) Cut the clamp.
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Page 20: Four Way Valve
Four Way Valve Si001658EA 8. Four Way Valve Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine. - Page 21 Si001658EA Four Way Valve Step Procedure Points Remove the terminal cover. Terminal cover (R23741) Remove the protection Protection bushing bushing. Disconnect the compressor lead wires U (red) (U, V, W) and the overload protector. Overload protector V (yellow) W (blue) (R23738) Cut the clamp.
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Page 22: Compressor
Compressor Si001658EA 9. Compressor Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine. - Page 23 Si001658EA Compressor Step Procedure Points Remove the protection Protection bushing bushing. Disconnect the compressor lead wires U (red) (U, V, W) and the overload protector. Overload protector V (yellow) W (blue) (R23738) Cut the clamp. Clamp Brazed part of the Brazed part of the suction side pipe discharge side pipe...
- 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 Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion. Use only those parts and accessories 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.