Daikin RKS20J2V1B User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
2.0/2.5/3.0/3.5 kW Class
Si001067

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
RKS20J2V1B RXG25J2V1B
RKS25J2V1B RXG35J2V1B
RKS35J2V1B
RXL20G2V1B9
RKS20KVLT
RKS25KVLT RXL20G3V1B
RKS30KVLT
RXS25G2V1B9
RKS25KVMA RXS35G2V1B9
RKS35KVMA
RXS20J2V1B
RKS20G2V1B9 RXS25J2V1B
RKS25G2V1B9 RXS35J2V1B
RKS35G2V1B9
RXS20KVLT
RXS25KVLT
RXS30KVLT
RXS25KVMA
RXS35KVMA
RXS20G2V1B9
RXS25G2V1B9
RXS35G2V1B9
ARXS20G3V1B
ARXS25G3V1B
ARXS35G3V1B

Si001067
Removal Procedure 1
Table of Contents
1. Removal of Outer Panels / Fan Motor.....................................................2
2. Removal of Electrical Box .....................................................................11
3. Removal of PCBs..................................................................................14
4. Removal of Reactor / Partition Plate .....................................................21
5. Removal of Sound Blankets..................................................................23
6. Removal of Four Way Valve .................................................................25
7. Removal of Compressor .......................................................................28
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.

Removal of Outer Panels / Fan Motor Si001067
2Removal Procedure
1. Removal of Outer Panels / Fan Motor
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Appearance features
Take care not to cut your
finger by the fins of the
outdoor heat exchanger.
2. Remove the panels.
The stop valve cover is
united with the shield plate.
When reassembling, make
sure to fit the 5 hooks.
1Remove the screw of
the stop valve cover.
Pull the stop valve
cover downward and
remove it.
(R7186)
(R16044)
Stop
valve
cover
(R7188)
Shield plate
Hook
(R13504)

Si001067 Removal of Outer Panels / Fan Motor
Removal Procedure 3
2Remove the 3 screws
and lift the top panel.
Some models have only 2
screws.
3Remove the drip proof
plate.
4Remove the 4 screws
and remove the
discharge grille.
The discharge grille has 4
hooks.
Step Procedure Points
Top panel
(R13503)
(R7191)
Drip proof plate
(R7192)
Discharge
grille
(R7193)

Removal of Outer Panels / Fan Motor Si001067
4Removal Procedure
5Remove the 8 screws
of the front panel.
6Unfasten the hooks.
Pull and remove the
front panel.
The front panel has 4 hooks.
Step Procedure Points
(R11825)
Front panel
(R13505)
Hook

Si001067 Removal of Outer Panels / Fan Motor
Removal Procedure 5
3. Remove the fan motor. Nut size: M6
1Remove the nut of the
outdoor fan.
2Remove the outdoor
fan.
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
3Release the outdoor
temperature thermistor.
Step Procedure Points
(R13741)
Outdoor fan
10 mm
(R12236)
(R11828)
D-cut
(R11829)
Outdoor temperature
thermistor

Removal of Outer Panels / Fan Motor Si001067
6Removal Procedure
4Cut the clamp. Some models do not have
the clamp.
5Disconnect the
connector for the fan
motor [S70].
6Release the fan motor
lead wire from the hook.
Step Procedure Points
(R11830)
(R16678)
[S70]
(R11832)
Fan motor
lead wire

Si001067 Removal of Outer Panels / Fan Motor
Removal Procedure 7
7Remove the screw and
remove the fan motor
fixing frame.
When reassembling, fit the
lower hooks into the bottom
frame.
Step Procedure Points
(R11833)
Fan motor fixing frame
(R12314)
(R7206)

Removal of Outer Panels / Fan Motor Si001067
8Removal Procedure
8Open 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.
9Remove the 4 screws
and remove the fan
motor.
4. Remove the right side
panel.
1Remove the 2 screws
on the rear side.
Step Procedure Points
(R11835)
(R3249)
Lead wire Outdoor fan
(R12311)
Fan motor
(R12162)