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Si001554EC
REMOVAL
PROCEDURE
S E R V I C E
M A N U A L
9000/12000 Btu/h Class
Outdoor Unit
Inverter
Pair Type

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Summary of Contents for Daikin Si001554EC

  • Page 1 Si001554EC REMOVAL PROCEDURE S E R V I C E M A N U A L 9000/12000 Btu/h Class Outdoor Unit Inverter Pair Type...
  • Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only Heat Pump RK09NMVJU RX09NMVJU RK12NMVJU RX12NMVJU RKN09NMVJU RX09QMVJU RKN12NMVJU RX12QMVJU RX09RMVJU RX12RMVJU RX09RMVJU9 RX12RMVJU9 RXN09NMVJU RXN12NMVJU RXL09QMVJU...
  • Page 3: Table Of Contents

    Si001554EC Table of Contents 1. Outer Panels ...................2 2. Outdoor Fan / Fan Motor.................3 3. Electrical Box / PCB ................5 4. Thermistor ASSY ..................10 5. Sound Blankets ..................14 6. Reactor / Electronic Expansion Valve Coil / Partition Plate ....15 7. Four Way Valve..................17 8.
  • Page 4: Outer Panels

    Outer Panels Si001554EC 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 3 screws Top panel and remove the top panel.
  • Page 5: Outdoor Fan / Fan Motor

    Si001554EC Outdoor Fan / Fan Motor 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 Disconnect the [S71]: fan motor...
  • Page 6 Outdoor Fan / Fan Motor Si001554EC Step Procedure Points Remove the 2 screws  When reassembling, fit the 2 Fan motor fixing frame and remove the fan lower hooks into the bottom frame. motor fixing frame. Hook (R21610) (R21611) Open the 3 hooks and...
  • Page 7: Electrical Box / Pcb

    Si001554EC Electrical Box / PCB 3. Electrical Box / PCB 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 1: black, front box.
  • Page 8 Electrical Box / PCB Si001554EC Step Procedure Points Disconnect the [S20]: electronic expansion connector [S20]. valve coil [S20] (R21617) Disconnect the [S40]: overload protector [S40] connector [S40]. (R21618) Disconnect the [S30]: compressor motor [S30] connector [S30]. (R21619) Removal Procedure...
  • Page 9 Si001554EC Electrical Box / PCB Step Procedure Points Disconnect the 2  When reassembling, you connectors from the can reconnect the 2 connectors for the reactor in reactor. either way regardless of the color. Connector Reactor (R21620) Disconnect the [S90]: thermistors connector [S90].
  • Page 10 Electrical Box / PCB Si001554EC Step Procedure Points 10 Remove the screw of Electrical box the electrical box. (R21623) 11 Slide the electrical box There are 2 hooks at the to the right and lift up to bottom and the top back of remove it.
  • Page 11 Si001554EC Electrical Box / PCB Step Procedure Points Remove the 3 screws of the PCB. Hook Unfasten the 2 spacers and the 2 hooks from the PCB. Spacer Hook (R20841) Remove the PCB. (R20842) Removal Procedure...
  • Page 12: Thermistor Assy

    Thermistor ASSY Si001554EC 4. Thermistor ASSY 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. Stop valve cover (R20843) Slide the stop valve ...
  • Page 13 Si001554EC Thermistor ASSY Step Procedure Points Remove the 2 screws  When reassembling, make and open the conduit sure that the hook and the projection are securely mounting plate cover to the left, then remove it. fastened. Projection Conduit mounting...
  • Page 14 Thermistor ASSY Si001554EC Step Procedure Points Pull out the outdoor Outdoor temperature thermistor holder temperature thermistor holder. (R21635) Slide up the right side panel to unfasten the Right side hook. panel Remove the right side panel. Hook (R21636) Cut the clamp.
  • Page 15 Si001554EC Thermistor ASSY Step Procedure Points 12 Pull out the discharge  Be careful not to lose the pipe temperature fixture for the thermistor. Discharge pipe thermistor and remove temperature the thermistor ASSY. thermistor Fixture (R20854) (R20853) Thermistor ASSY (R20855)
  • Page 16: Sound Blankets

    Sound Blankets Si001554EC 5. Sound Blankets Warning  Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Remove the sound  The design of sound blanket Sound blanket (top) blanket (top).
  • Page 17: Reactor / Electronic Expansion Valve Coil / Partition Plate

    Si001554EC Reactor / Electronic Expansion Valve Coil / Partition Plate 6. Reactor / Electronic Expansion Valve Coil / Partition Plate Warning  Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.
  • Page 18 Reactor / Electronic Expansion Valve Coil / Partition Plate Si001554EC Step Procedure Points Remove the 2 screws of the partition plate. Partition plate (R20862) Lift up the partition plate  When reassembling, fit the and remove it. hook on the bottom frame.
  • Page 19: Four Way Valve

    Si001554EC Four Way Valve 7. 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 20 Four Way Valve Si001554EC Step Procedure Points Remove the terminal cover. Terminal cover (R20866) Remove the protection bushing. W (blue) Disconnect the U (red) compressor lead wires and the overload protector. Protection bushing V (yellow) Overload protector (R22758) Remove the putty.
  • Page 21: Compressor

    Si001554EC Compressor 8. 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 22 Compressor Si001554EC Step Procedure Points Remove the protection bushing. W (blue) Disconnect the U (red) compressor lead wires and the overload protector. Protection bushing V (yellow) Overload protector (R22758) Heat up the brazed part of the discharge side Brazed part of suction pipe and disconnect it.
  • Page 23 Revision History Month / Year Version Revised contents 06 / 2015 Si001554E First edition 01 / 2016 Si001554EA Model addition: RXL09QMVJU 08 / 2018 Si001554EB Model addition: RX09/12QMVJU, RX09/12RMVJU 07 / 2019 Si001554EC Model addition: RX09/12RMVJU9...
  • Page 24 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 unauthorized parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage, electrical shock, fire or explosion.