Daikin RKS42G2V1B Service Manual
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Daikin RKS42G2V1B Service Manual

Outdoor unit removal procedure
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Si001070
REMOVAL
PROCEDURE
S E R V I C E
M A N U A L
2.5/4.2/4.6/5.0 kW Class
Outdoor Unit
Inverter
Pair Type

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Summary of Contents for Daikin RKS42G2V1B

  • Page 1 Si001070 REMOVAL PROCEDURE S E R V I C E M A N U A L 2.5/4.2/4.6/5.0 kW Class Outdoor Unit Inverter Pair Type...
  • Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only Heat Pump RKS42G2V1B RXG50JV2C RXG50KV2C RKS42J2V1B RXL25G2V1B RXL25G3V1B RXS42G2V1B RXS42J2V1B RXS46JV2C ARXS42G2V1B...

  • Page 3: Table Of Contents

    Si001070 Table of Contents 1. Removal of Outer Panels ................2 2. Removal of Electrical Box ...............4 3. Removal of PCB..................9 4. Removal of Partition Plate / Sound Blankets ........14 5. Removal of Outdoor Fan / Fan Motor ...........16 6. Removal of Thermistors ................20 7.

  • Page 4: Removal Of Outer Panels

    Removal of Outer Panels Si001070 1. Removal of Outer Panels Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Features Illustrations are slightly different depending on the model.
  • Page 5 Si001070 Removal of Outer Panels Step Procedure Points Remove the 2 screws The front panel has 4 hooks. Top panel to remove the top panel, and 7 screws to remove the front panel. Hooks Hooks (R12305) Discharge grille Front panel Remove the 4 screws When reassembling, make and remove the...

  • Page 6: Removal Of Electrical Box

    Removal of Electrical Box Si001070 2. Removal of Electrical Box Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Disconnect the When reassembling, fasten connecting wires. the wires with screws on the terminal board.
  • Page 7 Si001070 Removal of Electrical Box Step Procedure Points Remove the 7 screws, Right side panel and remove the right side panel. (R9365) Remove the screw of Terminal strip the terminal board. (R9366) Disconnect the Some models do not have a connectors of the drain drain pan heater.
  • Page 8 Removal of Electrical Box Si001070 Step Procedure Points Disconnect the For removal procedure of the connector for the fan fan motor lead wire, refer to [S70] motor [S70]. “Removal of Outdoor Fan / Fan Motor”. (R0254) Disconnect the connector for the [S40] overload protector [S40].
  • Page 9 Si001070 Removal of Electrical Box Step Procedure Points Disconnect the [S90] connector for the thermistors [S90]. (R0258) Disconnect the relay connector for the compressor. (R0259) Disconnect the 2 connectors for the reactor. (R0260) Removal Procedure...
  • Page 10 Removal of Electrical Box Si001070 Step Procedure Points Release the discharge Be careful not to lose the clip pipe thermistor. for the thermistor. Clip (R12279) Discharge pipe thermistor (R12197) Detach the clamp for the thermistors from the electrical box. (R12196) (R0262) Remove the screw in front of the electrical...

  • Page 11: Removal Of Pcb

    Si001070 Removal of PCB 3. Removal of PCB Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the screw and Preparation remove the electrical Remove the panels Electrical box cover box cover.
  • Page 12 Removal of PCB Si001070 Step Procedure Points Release the earth wire from the hook. (R8159) Remove the 2 screws and detach the 1 clip to remove the radiation Clip shield plate. Radiation shield plate (R12198) (R8161) Cut off the 5 clamps and disconnect the wire harnesses.
  • Page 13 Si001070 Removal of PCB Step Procedure Points Remove the 8 screws in total to remove the PCB. (R8163) (R8164) Lift up the back side When reassembling, make slightly and unfasten sure that the hooks of the the hooks of the front. electrical box are placed on the PCB.
  • Page 14 Removal of PCB Si001070 Step Procedure Points Remove the PCB. (R8168) Detach the terminals from the terminal board. [S20] [S70] [S40] [S80] [S90] (R8169) [S20] : electronic expansion valve coil [S40] : overload protector [S70] : fan motor [S80] : four way valve coil [S90] : thermistors Removal Procedure...
  • Page 15 Si001070 Removal of PCB Step Procedure Points Remove the screw of the radiation fin. Radiation fin (R12214) (R8171) Removal Procedure...

  • Page 16: Removal Of Partition Plate / Sound Blankets

    Removal of Partition Plate / Sound Blankets Si001070 4. Removal of Partition Plate / Sound Blankets Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the partition plate.
  • Page 17 Si001070 Removal of Partition Plate / Sound Blankets Step Procedure Points 2. Remove of the sound Since the piping ports are blanket. torn easily, remove the Untie the string, open blanket carefully. the sound blanket (outer) and pull it out. (R12199) Sound blanket (outer) (R8180)

  • Page 18: Removal Of Outdoor Fan / Fan Motor

    Removal of Outdoor Fan / Fan Motor Si001070 5. Removal of Outdoor Fan / Fan Motor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the outdoor fan. Nut size: M6 Remove the washer fitted nut of the outdoor...
  • Page 19 Si001070 Removal of Outdoor Fan / Fan Motor Step Procedure Points The figure shows the arrangement of the fan motor lead wire. (R8185) Cut the clamp. Some models do not have clamps. (R13801) Removal Procedure...
  • Page 20 Removal of Outdoor Fan / Fan Motor Si001070 Step Procedure Points Remove the 1 screw of the fan motor fixing frame. Fan motor fixing frame (R12202) (R8187) Remove the fan motor fixing frame. (R8188) Removal Procedure...
  • Page 21 Si001070 Removal of Outdoor Fan / Fan Motor Step Procedure Points Turn the fan motor fixing frame backward and open the 2 hooks of the fan motor lead wire. (R8189) Release the fan motor When reassembling, put the lead wire. fan motor lead wire through the back of the fan motor (so as not to be entangled with...

  • Page 22: Removal Of Thermistors

    Removal of Thermistors Si001070 6. Removal of Thermistors Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Release the discharge Be careful not to lose the clip pipe thermistor.

  • Page 23: Removal Of Drain Pan Heater Assy (Pattern 1)

    Si001070 Removal of Drain Pan Heater ASSY (Pattern 1) 7. Removal of Drain Pan Heater ASSY (Pattern 1) Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Cut the clamp.
  • Page 24 Removal of Drain Pan Heater ASSY (Pattern 1) Si001070 Step Procedure Points Cut the clamp. (R9352) Remove the 3 screws Left side panel and remove the left side panel. (R12307) The fuses are inside the drain pan heater. Fuse (R9354) (R9355) Removal Procedure...

  • Page 25: Removal Of Drain Pan Heater Assy (Pattern 2)

    Si001070 Removal of Drain Pan Heater ASSY (Pattern 2) 8. Removal of Drain Pan Heater ASSY (Pattern 2) Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Cut the 2 clamps.
  • Page 26 Removal of Drain Pan Heater ASSY (Pattern 2) Si001070 Step Procedure Points Remove the 3 screws Left side panel of the left side panel. (R13794) Lift up the aluminum Lift up the aluminum part (A) part of the drain pan and (B) at the back and left.
  • Page 27 Si001070 Removal of Drain Pan Heater ASSY (Pattern 2) Step Procedure Points Remove the 2 screws from the outdoor heat Caution exchanger. When dismounting or Outdoor heat exchanger mounting the outdoor heat exchanger, be sure to wear gloves or wrap it with cloth before proceeding.

  • Page 28: Removal Of Four Way Valve / Electronic Expansion Valve

    Removal of Four Way Valve / Electronic Expansion Valve Si001070 9. Removal of Four Way Valve / Electronic Expansion Valve Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1.
  • Page 29 Si001070 Removal of Four Way Valve / Electronic Expansion Valve Step Procedure Points Before working, make sure that the refrigerant Warning gas is empty in the circuit. Be careful not to get yourself Be sure to apply nitrogen burnt with the pipes and other replacement when parts that are heated by the heating up the brazed...
  • Page 30 Removal of Four Way Valve / Electronic Expansion Valve Si001070 Step Procedure Points Note: 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.

  • Page 31: Removal Of Compressor

    Si001070 Removal of Compressor 10.Removal of Compressor Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the terminal Terminal cover cover. (R8195) Disconnect the lead Red (U) wires of the compressor.
  • Page 32 Removal of Compressor Si001070 Step Procedure Points Remove the protection Protection bushing bushing. (R8199) Remove the 2 nuts of the compressor. Warning (R0265) Be careful not to get yourself Before working, make burnt with the pipes and other sure that the refrigerant parts that are heated by the gas is empty in the circuit.
  • Page 33 Si001070 Removal of Compressor Step Procedure Points Lift the compressor up Cautions for restoration to remove. 1. Restore the piping by non- oxidation brazing. 2. It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat.
  • Page 34 Revision History Month / Year Version Revised contents 01 / 2013 Si001070 First edition...
  • Page 35 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.

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