Daikin RX09N5VL User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
9000/12000 Btu/h Class
Si001418E

Service Manual
Removal Procedure
Outdoor Unit
zHeat Pump
RX09N5VL
RX12N5VL

Si001418E
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................4
3. Electrical Box / PCB ................................................................................6
4. Thermistor ASSY ..................................................................................11
5. Sound Blankets .....................................................................................15
6. Reactor / Electronic Expansion Valve Coil / Partition Plate ..................16
7. Four Way Valve.....................................................................................18
8. Compressor...........................................................................................20
Note: The illustrations may be slightly different depending on the model.

Outer Panels Si001418E
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 3 screws
and remove the top
panel.
2 Remove the 4 screws
of the front panel.
3
4
Unfasten the 3 left side
hooks, and then the 2
right side hooks.
Remove the front panel.
Top panel
(R20815)
Front panel
(R20816)
Hook
Front panel
Hook
(R20817)

Si001418E Outer Panels
Removal Procedure 3
5
6
Rotate the discharge
grille to the left to
unfasten the 6 hooks.
Remove the discharge
grille.
Step Procedure Points
Discharge grille
(R20818)

Outdoor Fan / Fan Motor Si001418E
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 Disconnect the
connector [S70] and
pull out the clamp.
[S70]: fan motor
2 Release the fan motor
lead wire from the
groove.
3
4
Remove the nut of the
outdoor fan.
Remove the outdoor
fan.
Nut size: M6
Align the mark of the
outdoor fan with the D-cut
section of the motor shaft
when reassembling.
Clamp
[S70]
(R20819)
Fan motor lead wireGroove
(R20820)
Outdoor fan
Nut
(R20821)
10 mm
(0.39 inch)
(R18954)

Si001418E Outdoor Fan / Fan Motor
Removal Procedure 5
5 Remove the 2 screws
and remove the fan
motor fixing frame.
When reassembling, fit the
lower hooks into the bottom
frame.
6 Open the 3 hooks and
release the fan motor
lead wire.
7 Remove the 3 screws
from the fan motor.
8 Remove the fan motor.
Step Procedure Points
Fan motor fixing frame
(R20822)
Hook (R20823)
Hook
(R20824)
Fan motor
(R20825)
(R20826)

Electrical Box / PCB Si001418E
6Removal Procedure
3. Electrical Box / PCB
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 electrical box. 1: black, front
2: white, front
3: red, front
1 Disconnect the 3
connectors from the
terminal board.
2 Remove the screw and
detach the earth /
ground wire.
3 Disconnect the
connector [S80].
[S80]: four way valve coil
Connector
(R20827)
Earth / ground wire
(R20829)
[S80]
(R20830)

Si001418E Electrical Box / PCB
Removal Procedure 7
4 Disconnect the 2
connectors from the
reactor.
When reassembling, you
can reconnect the 2
connectors for the reactor in
either way regardless of the
color.
5 Disconnect the
connector [S30].
[S30]: compressor motor
6 Disconnect the
connector [S40].
[S40]: overload protector
Step Procedure Points
Connector
Reactor (R20831)
[S30]
(R20832)
[S40]
(R20833)

Electrical Box / PCB Si001418E
8Removal Procedure
7 Disconnect the
connector [S20].
[S20]: electronic expansion
valve coil
8 Disconnect the
connector [S90].
[S90]: thermistors
9 Pull out the clamp.
Step Procedure Points
[S20] (R20834)
[S90] (R20835)
Clamp (R20836)