Daikin RKC09NV2S User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
1.5/2.0/2.5/3.5 kW Class
9000/12000 Btu/h Class
Outdoor Unit
Inverter
Pair Type
Si001416E

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only
RKC09NV2S
RKC12NV2S
RKC15NVM4
RKC20NVM4
RKC25NVM4
RKC35NVM4
RKC25NVM
RKC35NVM
RKC25NVMV
RKC35NVMV

Si001416E
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................4
3. Electrical box...........................................................................................6
4. PCB.......................................................................................................10
5. Reactor / Partition Plate ........................................................................12
6. Thermistor ASSY ..................................................................................14
7. Sound Blankets .....................................................................................15
8. Electronic Expansion Valve Coil / Compressor.....................................16
Note: The illustrations may be slightly different depending on the model.

Outer Panels Si001416E
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
2
Remove the screw of
the stop valve cover.
Pull down and remove
the stop valve cover.
The stop valve cover is
united with the shield plate.
When reassembling, make
sure to fit the 3 hooks.
3
4
Remove the 3 screws
and remove the top
panel.
Remove the 6 screws
of the front panel.
Stop valve
cover
(R21285)
Hook
Shield plate
(R21286)
Top panel
Front panel
(R21287)

Si001416E Outer Panels
Removal Procedure 3
5
6
Lift up the left side and
unfasten the 2 hooks.
Unfasten the 2 right
side hooks and remove
the front panel.
7 Press the 2 projections
from the rear side and
rotate the discharge
grille.
8 Unfasten the 6 hooks
and remove the
discharge grille.
Step Procedure Points
Left Right
Front panel (R21288)
Rear side
Projection
(rear side)
Discharge
grille (R21289)
Hook
Discharge
grille Hook (R21290)

Outdoor Fan / Fan Motor Si001416E
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 nut and
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.
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.
2 Disconnect the
connector [S70].
[S70]: fan motor
When reassembling, do not
fix the fan motor lead wire
inside the hook of the
electrical box.
Nut
Outdoor fan
D-cut
(R21291)
10 mm
(0.39 inch)
(R18954)
Lead wire Outdoor fan
(R3249)
Hook
[S70]
(R21292)

Si001416E Outdoor Fan / Fan Motor
Removal Procedure 5
3 Release the fan motor
lead wire from the 2
grooves and the 2
hooks.
When reassembling, pass
the fan motor lead wire as
shown below.
4 Remove the screw and
remove the fan motor
fixing frame.
When reassembling, fit the 2
lower hooks into the bottom
frame.
5 Unfasten the 2 hooks
on the motor fixing
frame and release the
fan motor lead wire.
6 Remove the 3 screws
and remove the fan
motor.
Screw size: M4 × 16
Step Procedure Points
Hook
Groove (R21293)
Fan motor lead wire
(R21320)
Fan motor fixing frame
(R21294)
(R10460)
Fan motor lead wire
Hook
(R21295)
Fan motor
(R21296)

Electrical box Si001416E
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 Disconnect the
connector [S20] and
pull out the clamp.
[S20]: electronic expansion
valve coil
2 Cut the clamp and
disconnect the
connector [S40].
[S40]: overload protector
3 Disconnect the relay
connector for
compressor.
Clamp
[S20]
(R21297)
[S40]
Clamp
(R21298)
Relay
connector
(R21299)

Si001416E Electrical box
Removal Procedure 7
4 Disconnect the
connector [S90] and
pull out the clamp.
[S90]: thermistors
5 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.
6 Remove the 3 screws
and remove the wire
fixture.
Step Procedure Points
Clamp
[S90]
(R21300)
Connector
Reactor
(R21301)
Wire fixture
(R21302)

Electrical box Si001416E
8Removal Procedure
7 Remove the 7 screws
on the terminal board
and disconnect the
connecting wire and
power supply wire.
8 Remove the 2 screws
on the right side panel,
then remove the screw
on the partition plate.
9 Remove the outdoor
temperature thermistor
from the protection net,
the hook, and the slit.
Step Procedure Points
Terminal board
Connecting wire Power supply wire (R21303)
Right Front
Right side panel Partition plate
(R21304)
Protection
net
Outdoor
temperature
thermistor
Hook
Slit
(R21305)