Daikin RKM25PRV16 User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
2.5/3.5 kW Class
Si001410EB

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only
RKM25PRV16
RKM35PRV16
RKM25QRV16
RKM35QRV16
RKM25RRV16
RKM35RRV16
RKMA25QRV16
RKMA35QRV16
RKMA25RRV16
RKMA35RRV16
RKMD25QRV16
RKMD35QRV16
RKMD25RRV16
RKMD35RRV16
RKP25RRV16
RKP35RRV16
RKPA25RRV16
RKPA35RRV16
RKPD25RRV16
RKPD35RRV16

Si001410EB
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................4
3. Electrical Box ..........................................................................................6
4. Thermistor ASSY ....................................................................................9
5. PCB.......................................................................................................10
6. Reactor / Partition Plate ........................................................................12
7. Sound Blankets .....................................................................................13
8. Electronic Expansion Valve...................................................................14
9. Compressor...........................................................................................16
Note: The illustrations may be slightly different depending on the model.

Outer Panels Si001410EB
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.
When reassembling, make
sure to fit the 5 hooks.
3
4
Remove the 2 screws,
and then the top panel.
Remove the 4 screws,
and then the discharge
grille.
The discharge grille has 4
hooks.
5 Remove the 7 screws,
and then the front
panel.
The front panel has 4 hooks.
Stop valve
cover
(R20256)
Hook
(R20257)
Top panel
Discharge grille (R20258)
(R20259)
Front panel (R20260) (R20261)

Si001410EB Outer Panels
Removal Procedure 3
6
7
Release the outdoor
temperature thermistor.
Lift up the guard net
and remove it.
Be careful not to cut your
finger on the fins of the
outdoor heat exchanger.
8
9
Remove the 3 screws,
and then the wire
fixture.
Remove the 7 screws
on the terminal board
and disconnect both the
connecting wire and the
power supply wire.
10
11
Remove the 7 screws
on the right side panel.
Lift up the right side
panel and remove it.
When reassembling, make
sure to fit the 2 hooks on the
right and rear side.
Step Procedure Points
Guard net
Outdoor temperature thermistor
(R20734)
Wire fixture
Terminal board
Connecting wire
Power supply wire
(R20263)
Right side panel
Hook
Hook
(R20264)
(R22578)

Outdoor Fan / Fan Motor Si001410EB
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
2
Remove the nut of the
outdoor fan.
Remove the outdoor
fan.
You can remove the outdoor
fan without removing the
right side panel.
Nut size: M6
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
3 Disconnect the
connector [S70] or
[S71] depending on the
model.
[S70]/[S71]: fan motor
The location of the
connectors [S70] and [S71]
is different.
4 Release the fan motor
lead wire from the
groove and the hook.
Some models do not have
the hook.
Outdoor fan
Nut
(R23497)
10 mm
(0.39 inch)
(R18954)
[S71] [S70]
(R23498)
Hook Groove
Fan motor
lead wire
(R22579)

Si001410EB Outdoor Fan / Fan Motor
Removal Procedure 5
5 Remove the screw, and
then the fan motor
fixing frame.
When reassembling, fit the 2
lower hooks into the bottom
frame.
6 Unfasten the 2 hooks
and release the fan
motor lead wire.
7 Remove the 4 screws,
and then the fan motor.
When reassembling, put the
fan motor lead wire through
the back of the fan motor to
avoid any entanglement with
the outdoor fan.
Step Procedure Points
Fan motor fixing
frame
(R20635)
Hook
(R20269)
(R22580)
Fan motor lead wire
(R22654)
Fan motor
(R3249)
Lead wire Outdoor fan

Electrical Box Si001410EB
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 Cut the clamp.
2 Disconnect the
connector [S70] or
[S71].
[S70]/[S71]: fan motor
3 Release the fan motor
lead wire from the
groove and the hook.
Some models do not have
the hook.
4 Disconnect the
connector [S20].
[S20]: electronic expansion
valve coil
Clamp
(R20646)
[S71] [S70]
(R23498)
Hook Groove
Fan motor
lead wire
(R22579)
[S20]
(R20636)

Si001410EB Electrical Box
Removal Procedure 7
5 Disconnect the
connector [S30].
[S30]: compressor
6 Disconnect the
connector [S40].
[S40]: overload protector
7 Disconnect the 2
connectors for the
reactor.
8
9
Disconnect the
connector [S90].
Cut the clamp.
[S90]: thermistors
Step Procedure Points
[S30]
(R20647)
[S40]
(R20648)
Reactor
Brown
Orange
(R20275)
[S90] Clamp
(R20276)

Electrical Box Si001410EB
8Removal Procedure
10 Lift up and remove the
electrical box.
Step Procedure Points
Electrical box
(R23499)