Daikin RKJ09NV1S Manual de usuario
REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
2.0/2.5/3.5/4.2 kW Class
9000/12000/15000 Btu/h Class
Si001273EC
Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
RKJ09NV1S ARXS20G4V1B
RKJ12NV1S ARXS25G4V1B
ARXS35G4V1B
RKJ25NVM
RKJ35NVM RXG25K3V1B
RXG35K3V1B
RKJ25NVM4
RKJ35NVM4 RXG20L2V1B
RXG25L2V1B
RKJ25NVMG RXG35L2V1B
RKJ35NVMG
RXS20K3V1B
RKJ25NVMV RXS25K3V1B
RKJ35NVMV RXS35K2V1B
RKM09NV2S RXS35L2V1B
RKM12NV2S
RKM15NV2S
RKM25NVMG
RKM35NVMG
RKM42NVMG
RKM25PVMG
RKM35PVMG
RKM42PVMG
RKV25NVM
RKV35NVM
RKV25NVM4
RKV35NVM4
RKV25NVMV
RKV35NVMV
Si001273EC
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Fan Motor................................................................................................4
3. Electrical Box ..........................................................................................6
4. PCBs .......................................................................................................8
5. Reactor / Partition Plate ........................................................................13
6. Sound Blankets .....................................................................................14
7. Four Way Valve.....................................................................................15
8. Compressor...........................................................................................18
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.
Outer Panels Si001273EC
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 the stop
valve cover and remove
it.
The stop valve cover has 5
hooks. When reassembling,
make sure to fit all the 5
hooks.
3
4
5
Remove the 2 screws
and remove the top
panel.
Remove the drip proof
plate.
Remove the 4 screws
and remove the
discharge grille.
Some models have one
more screw on the front of
the top panel.
The discharge grille has 4
hooks.
6Remove the 8 screws
and remove the front
panel.
The front panel has 4 hooks.
Stop
valve
cover
(R17214)
(R20194)
Discharge
grille
Drip proof plate
Top panel
(R7193)
(R11825)
Front panel
(R7195)
Hook
Si001273EC Outer Panels
Removal Procedure 3
7
8
9
Remove the 6 screws.
Release the outdoor
temperature thermistor.
Lift up the guard net
and remove it.
Take care not to cut your
finger by the fins of the
outdoor heat exchanger.
10
11
Remove the screw of
the right side panel.
Lift up the right side
panel and remove it.
When reassembling, make
sure to fit the hooks on the
right and rear side.
Step Procedure Points
(R20686)
Outdoor temperature thermistor
Guard net
(R20687)
Hook
Right side
panel
(R20688)
Hook
Fan Motor Si001273EC
4Removal Procedure
2. 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
2
Remove the nut of the
outdoor fan.
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.
3Release the outdoor
temperature thermistor.
4Disconnect the
connector [S70].
[S70]: fan motor
5Release the fan motor
lead wire from the hook.
(R11828)
D-cut
10 mm
(0.39 inch)
(R18954)
(R11829)
Outdoor temperature
thermistor
(R16678)
[S70]
(R11832)
Fan motor
lead wire
Si001273EC Fan Motor
Removal Procedure 5
6Remove the screw and
remove the fan motor
fixing frame.
When reassembling, fit the
lower hooks into the bottom
frame.
7Open the 2 hooks and
release the fan motor
lead wire.
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.
8Remove the 4 screws
and remove the fan
motor.
Step Procedure Points
(R11833)
Fan motor fixing frame
(R7206)
(R11835)
(R3249)
Lead wire Outdoor fan
(R12311)
Fan motor
Electrical Box Si001273EC
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
1Disconnect the
connector [S80].
[S80]: four way valve coil
Cooling only models have
no harness for [S80].
2Disconnect the
connector [S20].
[S20]: electronic expansion
valve coil
3Disconnect the 2
connectors for the
reactor.
When reassembling, you
can reconnect the 2
connectors in either way
regardless of the color.
4Disconnect the relay
connector for the
compressor.
[S80]
(R17144)
(R17476)
[S20]
(R18727)
(R18728)
Si001273EC Electrical Box
Removal Procedure 7
5Disconnect the
connector for the
overload protector
[S40].
When reassembling,
connect the connectors in
the following order.
(1) [S40]
(2) relay connector for
compressor
(3) reactor
(4) [S20]
(5) [S70]
(6) [S80]
6
7
Cut the clamp.
Pull out the outdoor
heat exchanger
thermistor.
Be careful not to lose the
clip for the thermistor.
8Release the discharge
pipe thermistor.
Be careful not to lose the
fixture for the thermistor.
9Lift and remove the
electrical box.
Step Procedure Points
(R18729)
[S40]
(R18730)
Outdoor heat
exchanger
thermistor (R3264)
Clip
Discharge pipe thermistor (R11849)
(R18789)
Fixture
(R20192)
Electrical box
PCBs Si001273EC
8Removal Procedure
4. PCBs
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 main PCB
and the forced operation
button PCB.
You can remove the main
PCB without removing the
electrical box by
disconnecting the lead wires
on the terminal board.
1Remove the screw on
the terminal board.
2Release the 2 earth /
ground wires.
3Pull out the forced
operation button PCB.
Disconnect the
connector [S110] to
remove the forced
operation button PCB.
Be careful of a sharp
protrusion at the back of the
forced operation button
PCB.
[S110]: main PCB
(R11854)
Terminal
board
(R20181)
Earth /
ground wire
Forced operation button PCB
(R13742)
[S110]
Este manual sirve para los siguientes modelos
36
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