Daikin RKS25EBVMV User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
2.5/3.5/4.2 kW Class
Si001267EB

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
RKS25EBVMV RXS25EBVMV
RKS35EBVMV RXS35EBVMV
RKS25GVM4 RXS25GVMV
RKS35GVM4 RXS35GVMV
RKS25GVMV
RKS35GVMV
RKS25JVMG
RKS35JVMG
RKD25GVMV
RKD35GVMV
RKD42GVMV
RKD25HVMV
RKD35HVMV
RKD42HVMV

Si001267EB
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Fan Motor................................................................................................4
3. Electrical Box ..........................................................................................6
4. PCB.........................................................................................................8
5. Reactor / Partition Plate ..........................................................................9
6. Sound Blankets .....................................................................................10
7. Four Way Valve.....................................................................................11
8. Compressor...........................................................................................13
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.

Outer Panels Si001267EB
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 is
united with the shield plate.
When reassembling, make
sure to fit the 5 hooks.
3
4
5
Remove the 3 screws
and lift the top panel.
Remove the drip proof
plate.
Remove the 4 screws
and remove the
discharge grille.
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)
(R17767)
Discharge
grille
Drip proof plate
Top panel
(R7193)
(R7194)
Front panel
(R7195)
Hook

Si001267EB Outer Panels
Removal Procedure 3
7Remove the 6 screws
on the right side and the
rear side.
Take care not to cut your
finger by the fins of the
outdoor heat exchanger.
8Release the outdoor
temperature thermistor.
9Lift up the guard net
and remove it.
10 Remove the screw of
the right side panel.
When reassembling, make
sure to fit the hooks on the
right and rear side.
11 Lift up the right side
panel and remove it.
Step Procedure Points
(R17219)
Outdoor temperature thermistor
Guard net
(R17220)
Hook
Right side
panel
(R7212)

Fan Motor Si001267EB
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
1Remove the nut of the
outdoor fan.
Nut size: M6
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
2Remove the outdoor
fan.
3Disconnect the
connector [S70].
[S70]: fan motor
4Cut the clamp and
release the fan motor
lead wire from the hook.
D-cut
(R7197)
10 mm
(0.39 inch)
(R18954)
[S70]
(R7199)
Fan motor lead wire
Clamp
(R17217)

Si001267EB Fan Motor
Removal Procedure 5
5Open 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).
6Remove the 4 screws
and remove the fan
motor.
Be sure to remove the lower
screws first. If the top screws
are removed first, the fan
motor may tilt down or fall
and cause injury because its
center of gravity is shifted to
the front.
7Remove the screw and
remove the fan motor
fixing frame.
When reassembling, fit the
lower hooks into the bottom
frame.
Step Procedure Points
(R16464)
(R3249)
Lead wire Outdoor fan
Fan motor
(R7202)
(R17218)
Fan motor fixing frame

Electrical Box Si001267EB
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 2
connectors for the
reactor.
2Disconnect the
connector [S30].
[S30]: compressor
3Disconnect the
connector [S40].
[S40]: overload protector
4Disconnect the
connector [S20].
[S20]: electronic expansion
valve coil
5Disconnect the
connector [S80].
[S80]: four way valve coil
The cooling only models
have no harness for [S80].
When reassembling,
connect the connectors in
the following order.
(1) [S80]
(2) [S20]
(3) [S40]
(4) [S30]
(5) reactor
When reassembling, set the
harnesses of the four way
valve coil and electronic
expansion valve coil in front
of the compressor lead wire.
(R17221)
[S30]
Reactor
(R17222)
[S40][S20]
(R7219)
[S80]

Si001267EB Electrical Box
Removal Procedure 7
6Release the discharge
pipe thermistor.
Be careful not to lose the
fixture for the thermistor.
7Cut the clamp. Be careful not to lose the clip
for the thermistor.
8Pull out the outdoor
heat exchanger
thermistor.
9Lift and remove the
electrical box.
Step Procedure Points
(R16457)
Discharge pipe thermistor
(R18789)
Fixture
(R17223)
Clamp
Outdoor heat exchanger
thermistor
(R3264)
Clip
(R16473)
Electrical Box

PCB Si001267EB
8Removal Procedure
4. PCB
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1Remove the 2 screws
and detach the earth /
ground wires.
You can remove the main
PCB when you disconnect
the lead wires on the
terminal board without
removing the electrical box.
2Remove the 4 screws
on the main PCB.
3Unfasten the 3 hooks
on the upper side.
4Lift and pull out the
main PCB.
(R19539)
Screw
Earth / ground
wire
(R16485)
Hook