Daikin RKH50QRV16 User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
5.0 kW Class
Outdoor Unit
Inverter
Pair Type
Si001409EB

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only
RKH50QRV16
RKH50RRV16
RKP50PRV16
RKP50QRV16
RKPA50QRV16
RKPD50QRV16

Si001409EB
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................5
3. Electrical Box ..........................................................................................7
4. PCB.......................................................................................................11
5. Thermistor ASSY ..................................................................................13
6. Reactor / Sound Blankets .....................................................................15
7. Capillary Tube .......................................................................................17
8. Compressor...........................................................................................19
Note: The illustrations may be slightly different depending on the model.

Outer Panels Si001409EB
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 Remove the 4 screws,
and then the top panel.
The shape of the discharge
grille varies depending on
the model.
2 Remove the 4 screws,
and then the left side
cover.
Some models do not have
the left side cover.
3 For square grille
models, remove the 7
screws of the front
panel.
For round grille models,
remove 8 screws.
For round grille models
Top panel
(R20218)
Left side cover
(R20219)
(R20653)
Front panel
(R23681)

Si001409EB Outer Panels
Removal Procedure 3
4 Unfasten the 2 hooks
and remove the front
panel.
When reassembling, make
sure that the 2 hooks are
securely fastened.
5 Remove the 4 screws
of the discharge grille.
For square grille models
6 Unfasten the 6 hooks
and remove the
discharge grille.
Step Procedure Points
Hook
(R20221)
(R22577)
Discharge grille
(R20654)
Hook
Hook
Discharge grille

Outer Panels Si001409EB
4Removal Procedure
7 Press the 2 projections
from the rear side and
rotate the discharge
grille.
For round grille models
8 Unfasten the 6 hooks
and remove the
discharge grille.
Step Procedure Points
Rear side
Projection
(rear side)
Discharge grille
(R22383)
Hook
Hook (R22384)

Si001409EB Outdoor Fan / Fan Motor
Removal Procedure 5
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
Disconnect the
connector [S70].
Release the fan motor
lead wire from the
groove of the partition
plate and from the 4
hooks on the electrical
box.
This procedure is not
necessary to remove only
the outdoor fan.
[S70]: fan motor
3 Remove the nut, and
then the outdoor fan.
Nut size: M6
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
(R20739)
[S70]
Groove
Hook (R19360)
Outdoor fan
(R18431)
10 mm
(0.39 inch)
(R18954)

Outdoor Fan / Fan Motor Si001409EB
6Removal Procedure
4
5
Remove the screw of
the fan motor fixing
frame.
Unfasten the 2 hooks at
the bottom and remove
the fan motor fixing
frame.
When reassembling, fit the 2
lower hooks into the bottom
frame.
6 Open 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 to
avoid entanglement with the
outdoor fan.
7 Remove the 4 screws,
and then the fan motor.
Step Procedure Points
(R18432)
Fan motor fixing frame
(R22574)
(R18433)
Hook
Fan motor lead wire
(R3249)
Lead wire Outdoor fan
(R18434)
Fan motor

Si001409EB Electrical Box
Removal Procedure 7
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 Disconnect the
connector [S70].
[S70]: fan motor
2 Disconnect the
connector [S40].
[S40]: overload protector
3
4
Disconnect the
connector [S90].
Cut the clamp.
[S90]: thermistors
(R19362)
[S70]
(R18435)
[S40]
[S90]
(R20614)
Clamp

Electrical Box Si001409EB
8Removal Procedure
5 Disconnect the 2
connectors of the
reactor.
(1) orange
(2) brown
6 Disconnect the relay
connector for the
compressor.
7 Remove the screw, and
then the stop valve
cover.
Step Procedure Points
Reactor
(2)
(1)
(R20615)
(R20616)
Relay connector
(R18440)
Stop valve
cover