Daikin RKC50NRV16 User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
5.0 kW Class
Outdoor Unit
Inverter
Pair Type
Si001268E

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only
RKC50NRV16

Si001268E
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................3
3. Electrical Box ..........................................................................................5
4. PCB.........................................................................................................9
5. Thermistor ASSY ..................................................................................10
6. Reactor / Sound Blanket .......................................................................11
7. Capillary Tube .......................................................................................12
8. Compressor...........................................................................................14
Note: The illustrations may be slightly different depending on the model.

Outer Panels Si001268E
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 remove the top
panel.
2 Remove the 7 screws
of the front panel.
3 Unfasten the right side
hooks and remove the
front panel.
The discharge grille has 2
projections to prevent its
rotation. Press the projection
from the rear side and rotate
the discharge grille to
remove it.
4 Remove the screw and
remove the discharge
grille.
(R18428)
Top panel
Front panel
Projection (rear side) (R18429)
Discharge grille
rear side
(R19405)

Si001268E Outdoor Fan / Fan Motor
Removal Procedure 3
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 Disconnect the
connector [S70].
This procedure is not
necessary to remove the
outdoor fan only.
[S70]: fan motor
2 Release the fan
motor lead wire from
the groove of the
partition plate and
the 4 hooks on the
electrical box.
3 Remove the nut and
remove the outdoor fan.
Nut size: M6
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
(R18430)
[S70]
Hook
(R19360)
Outdoor fan
(R18431)
10 mm
(0.39 inch)
(R18954)

Outdoor Fan / Fan Motor Si001268E
4Removal Procedure
4 Remove the screw of
the fan motor fixing
frame.
5 Unfasten the 2 hooks
at the bottom and
remove the fan motor
fixing frame.
6 Open the 2 hooks
and release the fan
motor lead wire.
7 Remove the 4 screws
and remove the fan
motor.
Step Procedure Points
(R18432)
Fan motor fixing frame
(R19361)
(R18433)
Hook
(R18434)
Fan motor

Si001268E Electrical Box
Removal Procedure 5
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 Cut the clamp and
disconnect the
connector [S90].
[S90]: thermistors
(R19362)
[S70]
(R18435)
[S40]
(R19363)(R18436)
Clamp
[S90]

Electrical Box Si001268E
6Removal Procedure
4 Disconnect the 2
connectors of the
reactor.
(1) orange
(2) brown
5 Disconnect the relay
connector for the
compressor.
6 Cut the clamp of the
relay connector
harness.
7 Remove the screw and
remove the stop valve
cover.
Step Procedure Points
(R18437)
(1)
(2)
Reactor
(R18438)
(R18439)
Clamp
(R18440)
Stop valve
cover

Si001268E Electrical Box
Removal Procedure 7
8 Remove the 3 screws
and remove the wire
fixture.
9 Remove the 7 screws
and remove the
connecting wire and the
power supply wire.
10 Remove the earth /
ground screw (upper).
Step Procedure Points
(R18441)
Wire fixture
(R18442)
Connecting wire Power supply wire
(R18443)
Earth / ground wire (upper)

Electrical Box Si001268E
8Removal Procedure
11 Remove the 2 screws
on the right side panel.
12 Remove the screw on
the partition plate.
13 Lift and remove the
electrical box.
Step Procedure Points
(R19364)
Right side panel
(R18444)
Partition plate
(R18445)
Electrical box