Daikin ARKC18RV2S User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
4.2/5.0/6.0 kW Class
18000/24000 Btu/h Class
Outdoor Unit
Inverter
Pair Type
Si001413EB

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only
ARKC18RV2S
ARKC24RV2S
RKC18NV2S
RKC24NV2S
RKC50NVM
RKC60NVM
RKC50NVM4
RKC60NVM4
RKC50NVMV
RKC60NVMV
RKJ18NV1S
RKJ42NVMG
RKJ50NVM
RKJ50NVM4
RKJ50NVMV
RKM18NV2S
RKM24NV2S
RKM50PVMG
RKM60PVMG
RKV50NVM
RKV60NVM
RKV50NVM4
RKV60NVM4
RKV50NVMV
RKV60NVMV

Si001413EB
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................4
3. Electrical Box ..........................................................................................6
4. PCB.......................................................................................................10
5. Partition Plate / Sound Blankets............................................................12
6. Electronic Expansion Valve...................................................................14
7. Compressor...........................................................................................16
Note: The illustrations may be slightly different depending on the model.

Outer Panels Si001413EB
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 4 screws
and remove the top
panel.
Remove the 4 screws
of the discharge grille.
3 Slide the discharge
grille upward and
remove it.
The discharge grille has 6
hooks.
4 Remove the 6 screws
of the front panel.
Discharge grille
Top panel
(R20302)
(R20303)
Hook
Hook
Front panel
(R20304)

Si001413EB Outer Panels
Removal Procedure 3
5
6
Unfasten the right side
hook.
Unfasten the 3 left side
hooks and remove the
front panel.
7
8
Remove the screw of
the stop valve cover.
Pull down the stop
valve cover to unfasten
the hooks and remove
it.
The stop valve cover has 6
hooks.
Step Procedure Points
(R20305)
Stop valve cover (R20306)
(R20307)

Outdoor Fan / Fan Motor Si001413EB
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 top shield
plate.
2
3
Cut the clamp.
Disconnect the
connector [S70] and
release the fan motor
lead wire from the
groove.
[S70]: fan motor
Top shield plate
(R23351)
(R20540)
Clamp
[S70]
Groove Fan motor
lead wire

Si001413EB Outdoor Fan / Fan Motor
Removal Procedure 5
4 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.
5
6
7
Remove the 2 screws
of the fan motor fixing
frame.
Pull up the fan motor
fixing frame to unfasten
the 2 hooks at the
bottom.
Remove the fan motor
fixing frame.
When reassembling, fit the 2
lower hooks into the bottom
frame.
8 Unfasten the 2 hooks
and release the fan
motor lead wire.
9 Remove the 4 screws
and remove the fan
motor.
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.
Step Procedure Points
Nut
Outdoor fan
(R20312)
10 mm
(0.39 inch)
(R18954)
(R20668)
Fan motor
fixing frame
(R20314)
Hook
(R22019)
Fan motor (R20316)
(R3249)
Lead wire Outdoor fan

Electrical Box Si001413EB
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 2 screws
and remove the side
shield plate.
2
3
Remove the 3 screws
and remove the wire
fixture.
Remove the 7 screws
on the terminal board
and disconnect the
connecting wire and
power supply wire.
4 Remove the earth /
ground screw on the
right side panel.
Side shield plate
(R23352)
Wire fixture
Connecting wire
Power supply
wire
(R20318)
Terminal
board
Earth / ground
wire
Right side panel
(R20670)

Si001413EB Electrical Box
Removal Procedure 7
5 Release the outdoor
temperature thermistor
from the protection net.
6 Remove the 4 screws
of the right side panel.
7 Unfasten the 3 hooks
and remove the right
side panel.
Step Procedure Points
Outdoor temperature thermistor
Protection
net
(R20671)
Right side panel (R20321)
Hook
Hook (R20322)

Electrical Box Si001413EB
8Removal Procedure
8
9
Cut the clamp.
Pull out the outdoor
heat exchanger
thermistor.
Be careful not to lose the clip
for the thermistor.
10 Disconnect the
connector [S40] and
pull out the clamp.
[S40]: overload protector
11 Disconnect the
connector [S20] and
remove the clamp.
[S20]: electronic expansion
valve coil
Step Procedure Points
Outdoor heat
exchanger
thermistor
Clamp
(R20543)
Clip
(R3264)
[S40]
Clamp
(R20544)
[S20]
Clamp
(R20545)