Daikin RX15FVJU Service Manual
15000/18000/24000 btu/h class
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Also See for RX15FVJU:
- Service manual (274 pages) ,
- Engineeiring data (124 pages) ,
- Service manual (308 pages)
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Summary of Contents for Daikin RX15FVJU
- Page 1 Si00-976 REMOVAL PROCEDURE S E R V I C E M A N U A L 15000/18000/24000 Btu/h Class Outdoor Unit Inverter Pair Type...
- Page 2 Service Manual Removal Procedure Outdoor Unit Heat Pump RX15FVJU RX18FVJU RX24FVJU RXS15DVJU RXS18DVJU RXS24DVJU...
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Page 3: Table Of Contents
Si00-976 Table of Contents 1. Removal of Outer Panels ................2 2. Removal of Outdoor Fan / Fan Motor .............6 3. Removal of PCBs / Electrical Box ............10 4. Removal of Reactor ................17 5. Removal of Sound Blankets..............19 6. Removal of Electronic Expansion Valve ..........21 7. -
Page 4: Removal Of Outer Panels
Removal of Outer Panels Si00-976 1. Removal of Outer Panels Procedure 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 panels. Top panel Remove the 4 screws and lift the top panel. - Page 5 Si00-976 Removal of Outer Panels Step Procedure Points The discharge grille has 4 hooks. (R2679) Remove the 6 screws of the front panel. Front panel (R2680) Push the front panel and lift the shield plate Shield plate to unfasten the hooks. (1) Push the front panel.
- Page 6 Removal of Outer Panels Si00-976 Step Procedure Points Unfasten the left side Lift the front panel while hooks, and then the pushing the left side panel right side hook. inward. Remove the front panel. (R5249) Lift the front panel and unfasten the right side hook.
- Page 7 Si00-976 Removal of Outer Panels Step Procedure Points 2. Remove the stop valve cover. Remove the screw of the stop valve cover. Stop valve cover (R5252) Pull the stop valve cover downward to unfasten the hooks and remove it. (R16679) The stop valve cover has 6 hooks.
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Page 8: Removal Of Outdoor Fan / Fan Motor
Removal of Outdoor Fan / Fan Motor Si00-976 2. Removal of Outdoor Fan / Fan Motor Procedure 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 electrical box Preparation cover. - Page 9 Si00-976 Removal of Outdoor Fan / Fan Motor Step Procedure Points (R16431) 2. Remove the fan motor. Disconnect the connector for the fan [S70] motor [S70]. (R2692) The illustration shows arrangement of the fan motor lead wire. Fan motor lead wire (R2693) Removal Procedure...
- Page 10 Removal of Outdoor Fan / Fan Motor Si00-976 Step Procedure Points Remove the nut of the Nut size: M6 outdoor fan. 10 mm (R12236) Outdoor fan (R2694) When reassembling, align mark of the outdoor fan with the D-cut section of the motor shaft.
- Page 11 Si00-976 Removal of Outdoor Fan / Fan Motor Step Procedure Points Release the fan motor When reassembling, put the lead wire from the 2 fan motor lead wire through hooks and pull the fan the back of the fan motor so motor out.
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Page 12: Removal Of Pcbs / Electrical Box
Removal of PCBs / Electrical Box Si00-976 3. Removal of PCBs / Electrical Box Procedure 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 right side Preparation Terminal board panel. - Page 13 Si00-976 Removal of PCBs / Electrical Box Step Procedure Points Unfasten the hooks and When reassembling, insert remove the right side the upper hook and the 2 panel. lower hooks back into place. Hook (R7028) Hook (R7026) 2. Remove the service Terminal board monitor PCB.
- Page 14 Removal of PCBs / Electrical Box Si00-976 Step Procedure Points Disconnect the power supply PCB harnesses from the V3 (varistor) power supply PCB. (R17032) [HL] (black): terminal board [HE2] (yellow/green): earth / ground [HAC1] (black): main PCB (AC1) [HE1] (yellow/green): main PCB (R2706) Disconnect the [S20]: electronic expansion...
- Page 15 Si00-976 Removal of PCBs / Electrical Box Step Procedure Points Remove the screw of the main PCB. Main PCB Unfasten the 2 hooks and release the main PCB from the ditch of the front side. Ditch (R2709) Disconnect the [S10] [AC2]: terminal board harnesses [S10] [AC2] [S10] [AC2] (white)
- Page 16 Removal of PCBs / Electrical Box Si00-976 Step Procedure Points Disconnect the [S10]: terminal board connectors and remove [S20]: electronic expansion the main PCB. valve [S31]: CN14 on SPM [S91] [S32]: CN11 on SPM [S33]: [S34] on MID [S40]: overload protector [S51]: [S52] on service monitor [S71]: [S72] on MID [S90]: thermistors...
- Page 17 Si00-976 Removal of PCBs / Electrical Box Step Procedure Points Release the clamp with pliers. (R17066) Disconnect the 2 connectors for the reactor. (R17067) Removal Procedure...
- Page 18 Removal of PCBs / Electrical Box Si00-976 Step Procedure Points Pull the clamp and draw the thermistor harness out from the back of the electrical box. (R2717) (R2718) Remove the screw of the electrical box. (R17068) Lift up and remove the electrical box.
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Page 19: Removal Of Reactor
Si00-976 Removal of Reactor 4. Removal of Reactor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Release the clamp with pliers. (R16508) Remove the 2 screws of the partition plate. - Page 20 Removal of Reactor Si00-976 Step Procedure Points Lift up the partition plate and remove it. (R16459) Remove the screw. Slide the reactor upward and remove it from the partition plate. Reactor (R2726) Removal Procedure...
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Page 21: Removal Of Sound Blankets
Si00-976 Removal of Sound Blankets 5. Removal of Sound Blankets Procedure 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 thermistor Remove the outer panels ASSY. - Page 22 Removal of Sound Blankets Si00-976 Step Procedure Points 2. Remove the sound Since the piping ports are blankets. torn easily, remove the sound blanket carefully. Remove the sound blanket (top upper). Sound blanket (top upper) (R16441) Remove the sound Some models do not have Sound blanket blanket (top lower).
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Page 23: Removal Of Electronic Expansion Valve
Si00-976 Removal of Electronic Expansion Valve 6. Removal of Electronic Expansion Valve Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the electronic expansion valve coil. Electronic expansion valve coil (R16556) Remove the sheets of... -
Page 24: Removal Of Compressor
Removal of Compressor Si00-976 7. Removal of Compressor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the terminal cover. Terminal cover (R16444) Disconnect the lead wires of the U : red compressor. - Page 25 Si00-976 Removal of Compressor Step Procedure Points Remove the nut of the Cautions for restoration compressor. 1. Restore the piping by non- oxidation brazing. 2. Avoid excessive heating. (Keep below 120°C) In case of difficulty with gas brazing machine 1. Disconnect the brazed part where is easy to disconnect Compressor and restore.
- Page 26 Revision History Month / Year Version Revised contents 02 / 2013 Si00-976 First edition...
- Page 27 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.