Daikin ARXS42G3V1B Service Manual

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Si001277

REMOVAL

PROCEDURE

S E R V I C E

M A N U A L

4.2 kW Class

Outdoor Unit

Inverter

Pair Type

Table of Contents

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Summary of Contents for Daikin ARXS42G3V1B

Page 1 Si001277 REMOVAL PROCEDURE S E R V I C E M A N U A L 4.2 kW Class Outdoor Unit Inverter Pair Type...
Page 2 Service Manual Removal Procedure Outdoor Unit Heat Pump ARXS42G3V1B RXS42K2V1B...
Page 3: Table Of Contents
Si001277 Table of Contents 1. Outer Panels ...................2 2. Electrical Box ..................3 3. PCB......................6 4. Partition Plate / Sound Blankets..............8 5. Outdoor Fan / Fan Motor...............10 6. Thermistors ...................12 7. Four Way Valve / Electronic Expansion Valve ........13 8. Compressor...................16 Note: The illustrations may be slightly different depending on the model.
Page 4: Outer Panels
Outer Panels Si001277 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 2 screws Top panel The front panel has 4 hooks. and remove the top panel.
Page 5: Electrical Box
Si001277 Electrical Box 2. Electrical Box 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 When reassembling, fasten and remove the wire the wires with screws on the Terminal fixture.
Page 6 Electrical Box Si001277 Step Procedure Points Disconnect the [S70]: fan motor [S70] connector [S70]. (R0254) Disconnect the [S20]: electronic expansion [S40] [S90] [S20] [S80] connector [S20] [S40] valve coil [S80] [S90]. [S40]: overload protector [S80]: four way valve coil [S90]: thermistors (R18668) Disconnect the relay connector for the...
Page 7 Si001277 Electrical Box Step Procedure Points Release the discharge Be careful not to lose the pipe thermistor. fixture for the thermistor. Fixture (R18789) Discharge pipe thermistor (R12197) Detach the clamp for the thermistors from the electrical box. (R12196) (R0262) Remove the screw in front of the electrical box.
Page 8: Pcb
Si001277 3. PCB 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 and The trimmed part goes front. Electrical box cover remove the electrical box cover.
Page 9 Si001277 Step Procedure Points Cut the 5 clamps and disconnect the wire harnesses. (R8162) Remove the 8 screws When reassembling, make of the PCB. sure to fit the 3 hooks of the electrical box. Lift up the back side slightly and unfasten the 3 hooks of the front.
Page 10: Partition Plate / Sound Blankets
Partition Plate / Sound Blankets Si001277 4. Partition Plate / Sound Blankets 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 partition plate. Partition plate Remove the 2 screws.
Page 11 Si001277 Partition Plate / Sound Blankets Step Procedure Points Remove the sound Sound blanket (top upper) blanket (top upper). (R12200) Remove the sound Sound blanket (top lower) blanket (top lower). (R8178) Remove the sound blanket (inner). Sound blanket (inner) (R12201) Removal Procedure...
Page 12: Outdoor Fan / Fan Motor
Outdoor Fan / Fan Motor Si001277 5. 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 Remove the nut and Nut size: M6 remove the outdoor fan.
Page 13 Si001277 Outdoor Fan / Fan Motor Step Procedure Points Remove the screw and remove the fan motor fixing frame. Fan motor fixing frame (R12202) When reassembling, fit the lower hooks into the bottom frame. (R8187) Open the 2 hooks and When reassembling, put the release the fan motor fan motor lead wire through...
Page 14: Thermistors
Thermistors Si001277 6. Thermistors Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points Release the discharge Be careful not to lose the pipe thermistor. fixture for the thermistor. Discharge pipe thermistor Fixture (R18789)
Page 15: Four Way Valve / Electronic Expansion Valve
Si001277 Four Way Valve / Electronic Expansion Valve 7. Four Way Valve / Electronic Expansion 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 16 Four Way Valve / Electronic Expansion Valve Si001277 Step Procedure Points Pull out the electronic expansion valve coil. (R8204) Remove the putty. (R8205) Remove the terminal Terminal cover cover. (R8195) Disconnect the lead Red (U) Overload wires of the protector compressor.
Page 17 Si001277 Four Way Valve / Electronic Expansion Valve Step Procedure Points 2. Remove the four way valve and electronic expansion valve. Heat up the 2 brazed parts of the electronic expansion valve and remove it. (R8206) Heat up the brazed parts of the four way valve.
Page 18: Compressor
Compressor Si001277 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 19 Si001277 Compressor Step Procedure Points Disconnect the lead Red (U) Overload wires of the protector compressor. Unfasten the hooks with a flat screwdriver to remove the overload protector. Blue Yellow (V) (R18897) Remove the protection Protection bushing bushing. Remove the 2 nuts of the compressor.
Page 20 Revision History Month / Year Version Revised contents 04 / 2013 Si001277 First edition...
Page 21 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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