Daikin ARKC12RV2S User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
1.5/2.0/2.5/3.0/3.5 kW Class
9000/12000 Btu/h Class
Outdoor Unit
Inverter
Pair Type
Si001560EB

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
ARKC09RV2S RXM20HVMV
ARKC12RV2S RXM25HVMV
RXM35HVMV
RKC09PV2S
RKC12PV2S RXP20HVLT
RXP25HVLT
RKC09QV2S RXP30HVLT
RKC12QV2S
RKC15PVM
RKC20PVM
RKC25PVM
RKC35PVM
RKC25QVM
RKC35QVM
RKC15PVM4
RKC20PVM4
RKC25PVM4
RKC35PVM4
RKC25QVM4
RKC35QVM4
RKC25PVMM
RKC35PVMM
RKC20PVMV
RKC25PVMV
RKC35PVMV
RKC25QVMV
RKC35QVMV

Si001560EB
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................4
3. Electrical Box ..........................................................................................6
4. PCB.......................................................................................................11
5. Thermistor ASSY ..................................................................................12
6. Reactor / Partition Plate ........................................................................13
7. Sound Blankets .....................................................................................14
8. Electronic Expansion Valve Coil / Four Way Valve...............................15
9. Compressor...........................................................................................18
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.

Outer Panels Si001560EB
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.
When reassembling, make
sure to fit the 3 hooks.
3
4
Remove the 3 screws,
and then the top panel.
Remove the 6 screws
of the front panel.
Stop valve
cover
(R21285)
Hook
(R23311)
Front panel
Top panel
(R22381)

Si001560EB Outer Panels
Removal Procedure 3
5
6
Lift up the right side of
the front panel and
unfasten the 2 hooks.
Unfasten the 2 left 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
(R22382)
Rear side
Projection
(rear side)
Discharge grille
(R22383)
Hook
Hook (R22384)

Outdoor Fan / Fan Motor Si001560EB
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
then the outdoor fan.
Nut size: M6
When reassembling, align
the mark of the outdoor fan
with the D-cut section of the
motor shaft.
2
3
Disconnect the
connector [S70] or
[S71] depending on the
model.
Cut the clamp and
release the fan motor
lead wire from the
groove.
In case of [S71] models
[S70]/[S71]: fan motor
The location of the
connectors [S70] and [S71]
is different.
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.
Outdoor fan
Nut
D-cut
(R22385)
10 mm
(0.39 inch)
(R18954)
Groove Clamp
Fan motor lead wire [S70]
(R22386)
(R23995)
[S71]
Right View
Lead wire Outdoor fan
(R3249)

Si001560EB Outdoor Fan / Fan Motor
Removal Procedure 5
4 Remove the screw, and
then the fan motor
fixing frame.
When reassembling, fit the 2
lower hooks into the bottom
frame.
5 Unfasten the 2 hooks
on the fan motor fixing
frame and release the
fan motor lead wire.
6 Remove the 3 screws,
and then the fan motor.
Step Procedure Points
Fan motor fixing frame
(R22387)
(R10460)
Fan motor lead wire
Hook
(R22388)
Fan motor
(R22389)

Electrical Box Si001560EB
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
2
Remove the 7 screws
on the terminal board
and disconnect the
connecting wire and
power supply wire.
Remove the 3 screws,
and then the wire
fixture.
3 Disconnect the
connector [S80].
[S80]: four way valve coil
The cooling only models
have no harness for [S80].
4 Disconnect the
connector [S20].
[S20]: electronic expansion
valve coil
Wire fixture
Power supply wire
Terminal board
Connecting
wire
(R22390)
[S80]
(R22391)
[S20]
(R22392)

Si001560EB Electrical Box
Removal Procedure 7
5 Disconnect the 2
connectors from the
reactor.
6 Disconnect the
connector [S30].
[S30]: compressor
7 Disconnect the
connector [S40].
[S40]: overload protector
Step Procedure Points
Reactor
Connector
(brown)
Connector
(orange)
(R22393)
[S30]
(R22394)
[S40]
(R22395)

Electrical Box Si001560EB
8Removal Procedure
8 Disconnect the
connector [S90] and
remove the clamp.
[S90]: thermistors
9 Remove the 2 screws
on the right side panel,
and then the screw on
the partition plate.
10 Lift up the terminal
board mounting plate
from the right side
panel.
Step Procedure Points
[S90] Clamp (R22396)
Partition
plate
Right side
panel
(R22397)
Terminal board mounting plate
(R22398)