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Summary of Contents for Daikin ARK20E2V1B
- Page 1 Si00-772 REMOVAL PROCEDURE S E R V I C E M A N U A L 2.0/2.5/3.5 kW Class 9000/12000 Btu/h Class Outdoor Unit Inverter Pair Type...
- Page 2 Service Manual Removal Procedure Outdoor Unit Cooling Only Heat Pump ARK20E2V1B ARX20E2V1B ARK25E2V1B ARX25E2V1B ARK35E2V1B ARX35E2V1B RK20E2V1B RX09FVJU RK25E2V1B RX12FVJU RK35E2V1B RX20E2V1B RKS25E2V1B RX25E2V1B RKS35E2V1B RX35E2V1B RXS25E2V1B RXS35E2V1B RXS25EAVMA RXS35EAVMA...
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Page 3: Table Of Contents
Si00-772 Table of Contents 1. Removal of Outer Panels / Fan Motor.............2 2. Removal of Electrical Box ...............9 3. Removal of PCB..................12 4. Removal of Reactor / Partition Plate .............14 5. Removal of Sound Blanket..............16 6. Removal of Four Way Valve ..............18 7. -
Page 4: Removal Of Outer Panels / Fan Motor
Removal of Outer Panels / Fan Motor Si00-772 1. Removal of Outer Panels / 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. Appearance features (R3235) Take care not to cut your finger by the fins of the... - Page 5 Si00-772 Removal of Outer Panels / Fan Motor Step Procedure Points Remove the 3 screws Top panel and lift the top panel. (R12413) Remove the drip proof Drip proof plate plate. (R3240) Disconnect the The fan motor is united with connector for the fan the front panel.
- Page 6 Removal of Outer Panels / Fan Motor Si00-772 Step Procedure Points Unfasten the hooks. The front panel has 4 hooks. Pull and remove the front panel. Hooks (R3243) 3. Remove the fan motor. Nut size: M6 Unscrew the washer- 10 mm fitted nut of the outdoor (0.39 inch) fan.
- Page 7 Si00-772 Removal of Outer Panels / Fan Motor Step Procedure Points Remove the 2 screws Bell mouth and lift the bell mouth to unfasten the hooks. Hooks (R12422) Remove the bell mouth. (R3247) Open the hooks and When reassembling, put the release the fan motor fan motor lead wire through lead wire.
- Page 8 Removal of Outer Panels / Fan Motor Si00-772 Step Procedure Points Remove the 4 screws M4×16 and remove the fan motor. Fan motor (R3250) Remove the 2 screws and remove the fan motor fixing frame. Fan motor fixing frame (R3251) (R3252) Removal Procedure...
- Page 9 Si00-772 Removal of Outer Panels / Fan Motor Step Procedure Points 4. Remove the right side panel. Remove the 2 screws on the rear side. (R7207) Release the outdoor Outdoor temperature thermistor temperature thermistor. (R7208) Lift up the guard net Some models do not have a Guard net and remove it.
- Page 10 Removal of Outer Panels / Fan Motor Si00-772 Step Procedure Points Remove the 4 screws on the right side panel. Right side panel (R7210) Remove the screw near the stop valves. (R7211) Unfasten the hook on When reassembling, make the rear side. sure to fit the hook.
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Page 11: Removal Of Electrical Box
Si00-772 Removal of Electrical Box 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. Remove the electrical Preparation box. Remove the panels and disconnect the connector for Disconnect the 2 the fan motor according to... - Page 12 Removal of Electrical Box Si00-772 Step Procedure Points Disconnect the [S40] connector for overload protector [S40]. (R7217) Disconnect the [S20] connector for electronic expansion valve coil [S20]. (R7218) Disconnect the The cooling only models do connector for four way not have the harness for valve coil [S80].
- Page 13 Si00-772 Removal of Electrical Box Step Procedure Points Cut the clamp. (R7221) Pull out the outdoor Be careful not to lose the clip heat exchanger for the thermistor. thermistor. Clip Outdoor heat exchanger thermistor (R7222) (R3264) Lift and remove the Electrical Box electrical box.
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Page 14: Removal Of Pcb
Removal of PCB Si00-772 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 Feature of the main You can remove the main PCB when you disconnect the lead wires on the terminal board without removing the electrical box. - Page 15 Si00-772 Removal of PCB Step Procedure Points Remove the 4 screws. Screw (R7258) Unfasten the 3 hooks on the upper side. Lift and pull out the control PCB. (R7259) [S20]: electronic expansion [S40] valve coil [S30] [S90] [S30]: compressor [S40]: overload protector [S70]: fan motor [S80]: four way valve coil [S70]...
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Page 16: Removal Of Reactor / Partition Plate
Removal of Reactor / Partition Plate Si00-772 4. Removal of Reactor / Partition Plate 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 reactor. Preparation Reactor Remove the outer panels... - Page 17 Si00-772 Removal of Reactor / Partition Plate Step Procedure Points The partition plate has a hook on the lower side. Lift and pull the partition plate to remove. (R3269) When reassembling, fit the lower hook into the bottom frame. Hook (R3270) Removal Procedure...
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Page 18: Removal Of Sound Blanket
Removal of Sound Blanket Si00-772 5. Removal of Sound Blanket Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the sound Since the piping ports are blanket (top). - Page 19 Si00-772 Removal of Sound Blanket Step Procedure Points Pull the sound blanket (inner) out. Sound blanket (inner) (R11887) Pull the sound blanket (bottom) out. Sound blanket (bottom) (R11888) Removal Procedure...
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Page 20: Removal Of Four Way Valve
Removal of Four Way Valve Si00-772 6. Removal of Four Way 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 The cooling only models do expansion valve coil. - Page 21 Si00-772 Removal of Four Way Valve Step Procedure Points Remove the screw and Four way valve coil remove the four way Warning valve coil. Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.
- Page 22 Removal of Four Way Valve Si00-772 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. The pipes may get deformed.
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Page 23: Removal Of Compressor
Si00-772 Removal of Compressor 7. 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 Remove the 2 nuts of the compressor. Warning Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine. - Page 24 Removal of Compressor Si00-772 Step Procedure Points Heat up the brazed part Note: of the suction side and Do not use a metal saw for disconnect. 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 25 Revision History Month / Year Version Revised contents 07 / 2013 Si00-772 First edition...
- Page 26 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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