Daikin RKM46PVMA User manual
REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
4.1/4.2/4.6/5.0/6.0/6.3 kW Class
Si001421EA
Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
RKM46PVMA RXJ41NVLT
RKM50PVMA
RKM60PVMA RXJ50LV1B
RXJ50NVMV
RXJ50PVMA
RXM42LV1B
RXM50LV1B
RXM41NVLT
RXM50NVLT
RXM46PVMA
RXM50PVMA
RXM60PVMA
RXV41NVLT
RXV50NVLT
RXV63NVLT
Si001421EA
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................4
3. Electrical Box ..........................................................................................6
4. PCBs .....................................................................................................11
5. Partition Plate / Sound Blankets............................................................14
6. Electronic Expansion Valve Coil / Four Way Valve...............................16
7. Compressor...........................................................................................18
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.
Outer Panels Si001421EA
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 4 screws.
3 Unfasten the 6 hooks
and remove the
discharge grille.
Top panel
(R21371)
(R21372)
Discharge grille
(R21373)
Si001421EA Outer Panels
Removal Procedure 3
4 Remove the 6 screws.
5 Unfasten the 4 hooks
and remove the front
panel.
Step Procedure Points
(R21374)
Front panel
(R21375)
Outdoor Fan / Fan Motor Si001421EA
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 Remove the drip proof
cover.
2 Cut the clamp.
3
4
Disconnect the
connector [S70].
Release the fan motor
lead wire from the
groove and the hook.
[S70]: fan motor
Drip proof cover
(R21376)
Clamp
(R21377)
Hook [S70] Groove Fan motor
lead wire
(R21378)
Si001421EA Outdoor Fan / Fan Motor
Removal Procedure 5
5 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.
6 Remove the 2 screws
and remove the fan
motor fixing frame.
7 Open the 3 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.
8 Remove the 4 screws
and remove the fan
motor.
Step Procedure Points
Outdoor fan
Nut
(R21379)
10 mm
(0.39 inch)
(R18954)
Fan motor fixing frame
(R21380)
Hook
Fan motor
lead wire (R21381)
(R3249)
Lead wire Outdoor fan
Fan motor
(R21382)
Electrical Box Si001421EA
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. Remove the right side
panel.
When reassembling, make
sure to fit the 6 hooks.
1
2
Remove the screw.
Pull down and remove
the stop valve cover.
3
4
Remove the 2 screws.
Slide upward and
remove the shield plate.
5 Remove the 3 screws
and remove the wire
fixture.
Stop valve cover (R21383)
(R21384)
Shield plate
(R21385)
Wire fixture
(R21386)
Si001421EA Electrical Box
Removal Procedure 7
6
7
8
Remove the 7 screws
and detach the
connecting wire and the
power supply wire.
Remove the 4 screws
and detach the demand
communication wire.
Remove the screw and
detach the earth /
ground wire.
When reassembling, fasten
the demand communication
wire with the clamp to the
wire fixture.
Some models have no
demand communication
wire.
9 Pull out the outdoor
temperature thermistor
from the protection net
and the groove.
When reassembling, pass
the thermistor harness
through between the heat
exchanger pipes as below.
10 Remove the 4 screws
and remove the right
side panel.
Step Procedure Points
Earth /
ground
screw
Power
supply
wire
Connecting wire
Demand communication wire (R21387) Clamp (R21388)
Outdoor
temperature
thermistor
Protection
net
Groove
(R22537)
Thermistor
harness
Heat exchanger pipe
(R21390)
Right side panel
(R21391)
Electrical Box Si001421EA
8Removal Procedure
When reassembling, make
sure to fit the 4 hooks.
2. Remove the thermistor
ASSY.
[S90]: thermistors
1
2
Disconnect the
connector [S90].
Pull out the clamp.
3 Slightly open the sound
blanket (top) and
detach the discharge
pipe thermistor.
Be careful not to lose the
fixture for the thermistor.
4 Remove the sound
blanket (back).
Step Procedure Points
Hook
Hook
(R21392)
Clamp
[S90]
(R21393)
Discharge pipe thermistor
Sound blanket
(top)
(R21394)
Fixture
(R21395)
Sound blanket
(back)
(R21396)
This manual suits for next models
16
Table of contents
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