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Si001170
REMOVAL
PROCEDURE
S E R V I C E
M A N U A L
2.5/3.5 kW Class
Outdoor Unit
Inverter
Pair Type

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Summary of Contents for Daikin RKN25KEVM

  • Page 1 Si001170 REMOVAL PROCEDURE S E R V I C E M A N U A L 2.5/3.5 kW Class Outdoor Unit Inverter Pair Type...
  • Page 2 Service Manual Removal Procedure Outdoor Unit Applicable Models Cooling Only RKN25KEVM RKN35KEVM...
  • Page 3: Table Of Contents

    Si001170 Table of Contents 1. Removal of Outer Panels ................2 2. Removal of Outdoor Fan / Fan Motor .............4 3. Removal of Electrical Box / PCB.............7 4. Removal of Sound Blankets..............16 5. Removal of Electronic Expansion Valve ..........18 6. Removal of Compressor ...............19 Note: The illustrations may be slightly different depending on the model.
  • Page 4: Removal Of Outer Panels

    Removal of Outer Panels Si001170 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. Procedure Points Step 1. Appearance features (R14852) Take care not to cut your finger by the fins of the outdoor heat exchanger.
  • Page 5 Si001170 Removal of Outer Panels Step Procedure Points Unfasten the 10 hooks and remove the discharge grille. (R14856) Discharge grille Removal Procedure...
  • Page 6: Removal Of Outdoor Fan / Fan Motor

    Removal of Outdoor Fan / Fan Motor Si001170 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. Procedure Points Step 1. Remove the outdoor fan. Preparation Remove the panels Remove the nut of the...
  • Page 7 Si001170 Removal of Outdoor Fan / Fan Motor Step Procedure Points Peel the sealing material and remove the 2 upper screws. Sealing material (R14860) Remove the 2 lower When reassembling, put the Fan motor fixing frame screws. fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan.
  • Page 8 Removal of Outdoor Fan / Fan Motor Si001170 Step Procedure Points Turn over the fan motor Do not cut the clamp A. fixing frame and cut the When reassembling, place 2 clamps. the clamp A under the clamp B. Clamp B Clamp A (R14865) (R14863)
  • Page 9: Removal Of Electrical Box / Pcb

    Si001170 Removal of Electrical Box / PCB 3. Removal of Electrical Box / PCB Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the right side Preparation panel.
  • Page 10 Removal of Electrical Box / PCB Si001170 Step Procedure Points Remove the 2 screws on the rear side of the Right side panel right side panel. (R14871) Remove the 5 screws on the right side panel. (R14872) Lift the electrical box. Electrical (R14873) Removal Procedure...
  • Page 11 Si001170 Removal of Electrical Box / PCB Step Procedure Points Unfasten the 3 hooks, When reassembling, make and remove the right sure to fit the hook. Right side side panel. panel (R14874) 2. Remove the electrical box. 1 : black, upper 2 : white, lower Pull out the terminals 3 : red, upper...
  • Page 12 Removal of Electrical Box / PCB Si001170 Step Procedure Points Disconnect the [S70] Hook connector for the fan motor [S70]. Release the fan motor lead wire from the hook. (R14877) Release the fan motor lead wire from the hooks. (R14878) Disconnect the [S40] connector for the...
  • Page 13 Si001170 Removal of Electrical Box / PCB Step Procedure Points Release the harnesses of [S20] and [S90] from the groove. (R14881) Disconnect the relay connector. (R14882) Disconnect the 2 Orange terminals of the reactor. Reactor Brown (14883) Release the harnesses of the reactor and the relay connector from the groove.
  • Page 14 Removal of Electrical Box / PCB Si001170 Step Procedure Points Release the harnesses of the terminals and the earth wire from the groove. (R14885) Remove the electrical Electrical box cover box cover and the insulation sheet. Insulation sheet (R14886) Remove the 5 screws. (R14887) Unfasten the hook.
  • Page 15 Si001170 Removal of Electrical Box / PCB Step Procedure Points Remove the PCB. (R14889) [S90] [S40] [S20] [S70] [S20]: electronic expansion valve [S40]: overload protector [S70]: fan motor [S90]: thermistors (R14890) Remove the 2 screws. (R14891) Remove the electrical box. Electrical (R14892) Removal Procedure...
  • Page 16 Removal of Electrical Box / PCB Si001170 Step Procedure Points 3. Remove the reactor. Remove the 3 screws Reactor of the reactor. (R14893) Remove the reactor. (R14894) 4. Remove the thermistor Be careful not to lose the Discharge pipe thermistor ASSY.
  • Page 17 Si001170 Removal of Electrical Box / PCB Step Procedure Points Cut the clamp. When reassembling, fix the outdoor heat exchanger lead wire and the harness of the electronic expansion valve with a clamp. (R14896) Pull out the outdoor heat exchanger thermistor.
  • Page 18: Removal Of Sound Blankets

    Removal of Sound Blankets Si001170 4. Removal of Sound Blankets Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the partition plate. Remove the 2 screws. (R14899) Remove the partition plate.
  • Page 19 Si001170 Removal of Sound Blankets Step Procedure Points 2. Remove the sound Since the piping ports on the blankets. sound blanket are torn Sound blanket (top) easily, remove the blanket Lift and remove the carefully. sound blanket (top). (R14901) Pull the sound blankets (outer) out.
  • Page 20: Removal Of Electronic Expansion Valve

    Removal of Electronic Expansion Valve Si001170 5. 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. Procedure Points Step Pull out the electronic Electronic expansion valve coil.
  • Page 21: Removal Of Compressor

    Si001170 Removal of Compressor 6. Removal of Compressor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the peripheries. Terminal cover Remove the terminal cover.
  • Page 22 Removal of Compressor Si001170 Step Procedure Points Unscrew the 3 nuts of the compressor. (R14908) 2. Remove the compressor. Warning Before working, make Be careful not to get yourself sure that the refrigerant burnt with the pipes and gas is empty in the circuit. other parts that are heated by Be sure to apply nitrogen the gas brazing machine.
  • Page 23 Revision History Month / Year Version Revised contents 08/2012 Si001170 First edition...
  • 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 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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Rkn35kevm