Daikin RK20GV1B Manual de usuario
REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
2.0/2.5/3.0/3.5 kW Class
Si00-874
Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
RK20GV1B ARX20GV1B
RK25GV1B ARX25GV1B
RK35GV1B ARX35GV1B
RK20GVLT RX20GV1B
RK25GVLT RX25GV1B
RK30GVLT RX35GV1B
RX20GVLT
RX25GVLT
RX30GVLT
Si00-874
Removal Procedure 1
Table of Contents
1. Removal of Outer Panels ........................................................................2
2. Removal of Outdoor Fan / Fan Motor .....................................................4
3. Removal of Electrical Box / PCBs ...........................................................6
4. Removal of Sound Blankets..................................................................14
5. Removal of Electronic Expansion Valve ASSY.....................................16
6. Removal of Four Way Valve .................................................................17
7. Removal of Compressor .......................................................................19
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.
Removal of Outer Panels Si00-874
2Removal Procedure
1. Removal of Outer Panels
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 3 hooks.
1Remove the screw of
the stop valve cover.
Pull down the stop
valve cover and remove
it.
(R10742)
(R14768)
(R16329)
Stop valve
cover
(R16330)
Shield plate
Hook
Si00-874 Removal of Outer Panels
Removal Procedure 3
2Remove the 3 screws
(right: 1 screw, left: 2
screws) and remove the
top panel.
3Remove the 6 screws
of the front panel.
4Lift up the left side and
unfasten the hooks.
5Unfasten the right side
hooks and remove the
front panel.
6The discharge grille has
2 projections to prevent
its rotation. Press the
projection from the rear
side and rotate the
discharge grille to
remove it.
Step Procedure Points
Top panel
Front panel (R16331)
(R17304)
(R17306)
(R17307)
Projection (rear side)
Discharge grille
Removal of Outdoor Fan / Fan Motor Si00-874
4Removal Procedure
2. Removal of Outdoor Fan / 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. Remove the outdoor fan. Preparation
Remove the panels
according to the “Removal
of Outer Panels”.
Nut size: M6
1
2
Remove the nut of the
outdoor fan.
Remove the outdoor
fan.
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
2. Remove the fan motor.
1Disconnect the
connector for the fan
motor [S70].
2Release the fan motor
lead wire from the
hooks.
3Remove the screw and
remove the fan motor
fixing frame.
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.
(R17341)
Shaft
D-cut
Nut
Outdoor
fan
10 mm
(R12236)
(R17338)
Hook
Fan motor lead wire
[S70]
(R17284)
Fan motor fixing frame
(R3249)
Lead wire Outdoor fan
Si00-874 Removal of Outdoor Fan / Fan Motor
Removal Procedure 5
4Release the fan motor
lead wire from the
hooks.
5Remove the 3 screws
to remove the fan
motor.
Step Procedure Points
(R14778)
(R14779)
Fan motor
Removal of Electrical Box / PCBs Si00-874
6Removal Procedure
3. Removal of Electrical Box / PCBs
Procedure 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 right side
panel.
Preparation
Remove the panels
according to the “Removal
of Outer Panels”.
1Release the outdoor
temperature thermistor.
2Lift up the guard net to
remove.
3Remove the screws
and release the
connecting wire and the
power supply wire.
4Remove the 3 screws
and remove the wire
clamp.
(R7383)
(R7384)
(R17285)
Connecting wire Power supply
wire
(R14783)
Wire
clamp
Si00-874 Removal of Electrical Box / PCBs
Removal Procedure 7
5Remove the screw on
the rear side of the right
side panel.
6Remove the 4 screws
on the right side panel.
7Unfasten the hook on
the rear side.
When reassembling, make
sure to fit the hook.
8Unfasten the 2 hooks,
and remove the right
side panel.
Step Procedure Points
(R17308)
Right
side
panel
(R11762)
Hook
(R11763)
(R18221)
Right
side
panel
Hook
Hook
Removal of Electrical Box / PCBs Si00-874
8Removal Procedure
2. Remove the electrical box. [S80]: four way valve coil
1Disconnect the
connector [S80].
2Disconnect the
connector [S40].
[S40]: overload protector
3Disconnect the
connector [S20].
[S20]: electronic expansion
valve coil
4Disconnect the relay
connector for the
compressor.
Step Procedure Points
(R7388)
[S80]
[S40]
(R7389)
[S20] (R7390)
(R7392)
Este manual sirve para los siguientes modelos
14
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