Daikin RXD25DVMV User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Outdoor Unit

Inverter

Pair Type

2.5/3.5 kW Class

Si001266EA

Service Manual

Removal Procedure

Outdoor Unit

zHeat Pump

RXD25DVMV

RXD35DVMV

RXD25HVMV

RXD35HVMV

Si001266EA

Removal Procedure 1

Table of Contents

1. Outer Panels / Fan Motor........................................................................2

2. Electrical Box ..........................................................................................7

3. PCB.........................................................................................................9

4. Reactor / Partition Plate ........................................................................10

5. Sound Blankets .....................................................................................11

6. Four Way Valve.....................................................................................12

7. Compressor...........................................................................................15

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

Outer Panels / Fan Motor Si001266EA

2Removal Procedure

1. Outer Panels / Fan Motor

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 outer panels.

The stop valve cover is

united with the shield plate.

When reassembling, make

sure to fit the 5 hooks.

Remove the screw of

the stop valve cover.

Pull down the stop

valve cover and remove

it.

3Remove the 3 screws

and lift the top panel.

4Remove the drip proof

plate.

(R3237)

Stop

valve

cover

Shield plate

Hook

(R17312)

Top panel

(R19325)

Drip proof plate

Si001266EA Outer Panels / Fan Motor

Removal Procedure 3

5Disconnect the

connector [S70].

[S70]: fan motor

6Remove the 6 screws

of the front panel.

7Remove the front panel. The front panel has 4 hooks.

The fan motor is united with

the front panel.

Step Procedure Points

[S70] (R17514)

Front panel

(R19326)

Hook

(R17516)

Outer Panels / Fan Motor Si001266EA

4Removal Procedure

2. Remove the fan motor. Nut size: M6

When reassembling, align

the mark of the outdoor

fan with the D-cut section of

the motor shaft.

1Remove the nut and

remove the outdoor fan.

Remove the 2 screws

and lift the bell mouth to

unfasten the hooks.

Remove the bell mouth.

4Open the hooks and

release the fan motor

lead wire.

Screws: M4 × 16

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).

5Remove the 4 screws

and remove the fan

motor.

Step Procedure Points

D-cut

(R17518)

Outdoor

fan

10 mm

(0.39 inch)

(R18954)

Hook

(R17517)

Bell mouth

Screw

Fan motor

lead wire (R17520)

(R3249)

Lead wire Outdoor fan

Si001266EA Outer Panels / Fan Motor

Removal Procedure 5

6Remove the 2 screws

and remove the fan

motor fixing frame.

3. Remove the right side

panel.

1Release the outdoor

temperature thermistor.

2Lift up the guard net

and remove it.

Step Procedure Points

Fan motor fixing frame (R17519)

(R7208)

Outdoor temperature thermistor

Guard net

(R7209)

Outer Panels / Fan Motor Si001266EA

6Removal Procedure

3Remove the 7 screws

of the right side panel.

4Unfasten the upper

hook.

When reassembling, make

sure to fit the hook.

5Lift up the right side

panel and remove it.

When reassembling, make

sure to fit the hook.

Step Procedure Points

Right side panel

(R17752)

(R3256)

Hook

(R3257)

Si001266EA Electrical Box

Removal Procedure 7

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

1Disconnect the 2

connectors for the

reactor.

[S30]: compressor

2Disconnect the

connector [S30].

3Disconnect the

connector [S40].

[S40]: overload protector

[S20]: electronic expansion

valve coil

4Disconnect the

connector [S20].

5Disconnect the

connector [S80].

[S80]: four way valve coil

When reassembling,

connect the connectors in

the following order.

(1) [S80]

(2) [S20]

(3) [S40]

(4) [S30]

(5) reactor

(R17221)

[S30]

Reactor

(R17222)

[S40][S20]

(R7219)

[S80]

Electrical Box Si001266EA

8Removal Procedure

6Release the discharge

pipe thermistor.

Be careful not to lose the

fixture for the thermistor.

7Cut the clamp. Be careful not to lose the clip

for the thermistor.

8Pull out the outdoor

heat exchanger

thermistor.

9Lift and remove the

electrical box.

Step Procedure Points

(R16457)

Discharge pipe thermistor

(R18789)

Fixture

(R17223)

Clamp

Outdoor heat exchanger

thermistor

(R3264)

Clip

(R16473)

Electrical Box

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