Daikin RXM09VVJU Manuel utilisateur
REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
9000/12000 Btu/h Class
Si002154E
Service Manual
Removal Procedure
Outdoor Unit
Heat Pump
RXM09VVJU
RXM12VVJU
Si002154E
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................4
3. Electrical Box ..........................................................................................6
4. PCBs .....................................................................................................12
5. Thermistors ...........................................................................................14
6. Partition Plate / Sound Insulations ........................................................16
7. Electronic Expansion Valve / Four Way Valve......................................18
8. Compressor...........................................................................................21
Note: The illustrations may be slightly different depending on the model.
Outer Panels Si002154E
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
1 Remove the 4 screws,
and then the top panel.
2 Remove the 7 screws
of the front panel.
3 Unfasten the 2 hooks
on the right side first,
then unfasten the 3
hooks on the left side
and remove the front
panel.
When reassembling, make
sure that the 5 hooks are
securely fastened.
(R26001)
Top panel
(R26002)
Front panel
(R26003)
Si002154E Outer Panels
Removal Procedure 3
4 Remove the 4 screws
of the discharge grille.
5 Unfasten the 2 hooks
and remove the
discharge grille.
When reassembling, make
sure that the 2 hooks are
securely fastened.
Step Procedure Points
(R26004)
Discharge grille
(R26005)
Outdoor Fan / Fan Motor Si002154E
4Removal Procedure
2. 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
1 Remove the screw,
then slide the shield
plate to the right to
detach the 2 hooks and
remove it.
When reassembling, slide
the shield plate to the left to
make sure the 2 hooks are
securely fastened.
2 Disconnect the
connector [S70].
[S70]: fan motor
3 Release the fan motor
lead wire from the 7
hooks and from the slit
on the electrical box
(R26006)
Shield plate
(R26007)
Hook
(R26008)
[S70]
(R26009)
Hook
Slit Fan motor lead wire
Si002154E Outdoor Fan / Fan Motor
Removal Procedure 5
4 Remove the nut, and
then the outdoor fan.
Nut size: M6
When reassembling, align
the mark of the fan rotor
with the D-cut section of the
motor shaft.
5 Open the 2 hooks and
release the fan motor
lead wire.
When reassembling, make
sure that the 2 hooks are
securely fastened.
6 Remove the 4 screws,
and then the fan motor.
When reassembling, put the
fan motor lead wire through
the back of the fan motor to
avoid any entanglement with
the outdoor fan.
Step Procedure Points
(R26010)
Outdoor fanNut
D-cut
10 mm
(0.39 inch)
(R18954)
Hook
Hook
(R26011)
Fan motor
(R26012)
(R3249)
Lead wire Outdoor fan
Electrical Box Si002154E
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
1 Remove the screw,
then slide the shield
plate to the right to
detach the 2 hooks and
remove it.
When reassembling, slide
the shield plate to the left to
make sure the 2 hooks are
securely fastened.
2 Disconnect the
connector [S70].
[S70]: fan motor
3 Release the fan motor
lead wire from the 7
hooks and from the slit
on the electrical box
(R26006)
Shield plate
(R26007)
Hook
(R26008)
[S70]
(R26009)
Hook
Slit Fan motor lead wire
Si002154E Electrical Box
Removal Procedure 7
4 Disconnect the
connectors [S20] and
[S80].
When reassembling, make
sure to pass the four way
valve harness inside the
overload protector and high
pressure switch connector.
[S20]: electronic expansion
valve coil
[S80]: four way valve
5 Disconnect the
connector [S40] and
detach the snap band.
[S40]: overload protector and
high pressure switch
6 Disconnect the
connectors [S90] and
[S97].
[S90]: thermistors
[S97]: liquid pipe thermistor
Step Procedure Points
[S80][S20]
(R26013)
(R26014)
Overload protector and high
pressure switch connector
Four way valve harness
[S40]
Snap band (R26015)
[S90] [S97]
(R26016)
Electrical Box Si002154E
8Removal Procedure
7 Disconnect the relay
connector for the
compressor.
8
9
Remove the screw of
the stop valve cover.
Slide the stop valve
cover downward and
remove it.
When reassembling, make
sure that the 4 hooks are
securely fastened.
10 Remove the 3 screws.
Step Procedure Points
Relay connector for compressor
(R26017)
Stop valve cover (R26018)
Hook
Hook
(R26019)
(R26020)
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