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.
1
2
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.
2
3
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
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