Daikin RKJ09NV1S Bedienungsanleitung

REMOVAL

PROCEDURE

SERVICE MANUAL

Outdoor Unit

Inverter

Pair Type

2.0/2.5/3.5/4.2 kW Class

9000/12000/15000 Btu/h Class

Si001273EC

Service Manual

Removal Procedure

Outdoor Unit

zCooling Only zHeat Pump

RKJ09NV1S ARXS20G4V1B

RKJ12NV1S ARXS25G4V1B

ARXS35G4V1B

RKJ25NVM

RKJ35NVM RXG25K3V1B

RXG35K3V1B

RKJ25NVM4

RKJ35NVM4 RXG20L2V1B

RXG25L2V1B

RKJ25NVMG RXG35L2V1B

RKJ35NVMG

RXS20K3V1B

RKJ25NVMV RXS25K3V1B

RKJ35NVMV RXS35K2V1B

RKM09NV2S RXS35L2V1B

RKM12NV2S

RKM15NV2S

RKM25NVMG

RKM35NVMG

RKM42NVMG

RKM25PVMG

RKM35PVMG

RKM42PVMG

RKV25NVM

RKV35NVM

RKV25NVM4

RKV35NVM4

RKV25NVMV

RKV35NVMV

Si001273EC

Removal Procedure 1

Table of Contents

1. Outer Panels ...........................................................................................2

2. Fan Motor................................................................................................4

3. Electrical Box ..........................................................................................6

4. PCBs .......................................................................................................8

5. Reactor / Partition Plate ........................................................................13

6. Sound Blankets .....................................................................................14

7. Four Way Valve.....................................................................................15

8. Compressor...........................................................................................18

Note: The illustrations may be slightly different depending on the model.

The illustrations are for heat pump models as representative.

Outer Panels Si001273EC

2Removal Procedure

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 screw of

the stop valve cover.

Pull down the stop

valve cover and remove

it.

The stop valve cover has 5

hooks. When reassembling,

make sure to fit all the 5

hooks.

Remove the 2 screws

and remove the top

panel.

Remove the drip proof

plate.

Remove the 4 screws

and remove the

discharge grille.

Some models have one

more screw on the front of

the top panel.

The discharge grille has 4

hooks.

6Remove the 8 screws

and remove the front

panel.

The front panel has 4 hooks.

Stop

valve

cover

(R17214)

(R20194)

Discharge

grille

Drip proof plate

Top panel

(R7193)

(R11825)

Front panel

(R7195)

Hook

Si001273EC Outer Panels

Removal Procedure 3

Remove the 6 screws.

Release the outdoor

temperature thermistor.

Lift up the guard net

and remove it.

Take care not to cut your

finger by the fins of the

outdoor heat exchanger.

Remove the screw of

the right side panel.

Lift up the right side

panel and remove it.

When reassembling, make

sure to fit the hooks on the

right and rear side.

Step Procedure Points

(R20686)

Outdoor temperature thermistor

Guard net

(R20687)

Hook

Right side

panel

(R20688)

Hook

Fan Motor Si001273EC

4Removal Procedure

2. 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 of the

outdoor fan.

Remove the outdoor

fan.

Nut size: M6

When reassembling, align

the mark of the outdoor

fan with the D-cut section of

the motor shaft.

3Release the outdoor

temperature thermistor.

4Disconnect the

connector [S70].

[S70]: fan motor

5Release the fan motor

lead wire from the hook.

(R11828)

D-cut

10 mm

(0.39 inch)

(R18954)

(R11829)

Outdoor temperature

thermistor

(R16678)

[S70]

(R11832)

Fan motor

lead wire

Si001273EC Fan Motor

Removal Procedure 5

6Remove the screw and

remove the fan motor

fixing frame.

When reassembling, fit the

lower hooks into the bottom

frame.

7Open the 2 hooks and

release the fan motor

lead wire.

When reassembling, put the

fan motor lead wire through

the back of the fan motor so

as not to be entangled with

the outdoor fan.

8Remove the 4 screws

and remove the fan

motor.

Step Procedure Points

(R11833)

Fan motor fixing frame

(R7206)

(R11835)

(R3249)

Lead wire Outdoor fan

(R12311)

Fan motor

Electrical Box Si001273EC

6Removal Procedure

3. Electrical Box

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before

disassembling work.

Step Procedure Points

1Disconnect the

connector [S80].

[S80]: four way valve coil

Cooling only models have

no harness for [S80].

2Disconnect the

connector [S20].

[S20]: electronic expansion

valve coil

3Disconnect the 2

connectors for the

reactor.

When reassembling, you

can reconnect the 2

connectors in either way

regardless of the color.

4Disconnect the relay

connector for the

compressor.

[S80]

(R17144)

(R17476)

[S20]

(R18727)

(R18728)

Si001273EC Electrical Box

Removal Procedure 7

5Disconnect the

connector for the

overload protector

[S40].

When reassembling,

connect the connectors in

the following order.

(1) [S40]

(2) relay connector for

compressor

(3) reactor

(4) [S20]

(5) [S70]

(6) [S80]

Cut the clamp.

Pull out the outdoor

heat exchanger

thermistor.

Be careful not to lose the

clip for the thermistor.

8Release the discharge

pipe thermistor.

Be careful not to lose the

fixture for the thermistor.

9Lift and remove the

electrical box.

Step Procedure Points

(R18729)

[S40]

(R18730)

Outdoor heat

exchanger

thermistor (R3264)

Clip

Discharge pipe thermistor (R11849)

(R18789)

Fixture

(R20192)

Electrical box

PCBs Si001273EC

8Removal Procedure

4. PCBs

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 main PCB

and the forced operation

button PCB.

You can remove the main

PCB without removing the

electrical box by

disconnecting the lead wires

on the terminal board.

1Remove the screw on

the terminal board.

2Release the 2 earth /

ground wires.

3Pull out the forced

operation button PCB.

Disconnect the

connector [S110] to

remove the forced

operation button PCB.

Be careful of a sharp

protrusion at the back of the

forced operation button

PCB.

[S110]: main PCB

(R11854)

Terminal

board

(R20181)

Earth /

ground wire

Forced operation button PCB

(R13742)

[S110]

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