Daikin RKS46LVMA User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
3.5/4.5/4.6/5.0/6.0 kW Class
15000/18000 Btu/h Class
Outdoor Unit
Inverter
Pair Type
Si001163EA

Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
RKS46LVMA RXS15LVJU
RKS50LVMA RXS18LVJU
RKS60LVMA
RXS46LVMA
RXS50LVMA
RXS60LVMA
RXS35LAVMA
RXS50LAVMA
RXS35RV1A
RXS45RV1A
RXS50RV1A

Si001163EA
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................5
3. Electrical Box ..........................................................................................8
4. PCBs .....................................................................................................16
5. Sound Blankets / Thermistors ...............................................................23
6. Four Way Valve.....................................................................................26
7. Electronic Expansion Valve...................................................................28
8. Compressor...........................................................................................30
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.

Outer Panels Si001163EA
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.
Take care not to cut your
finger by the fins of the
outdoor heat exchanger.
2 Remove the 4 screws,
and then the discharge
grille.
Slide the discharge grille
upward to remove it.
When reassembling, make
sure the 4 hooks are
securely fastened.
Top panel
(R16754)
Discharge grille
(R16755)
(R24294)

Si001163EA Outer Panels
Removal Procedure 3
3 Remove the 6 screws
of the front panel.
4 Unfasten the right side
hooks.
5 Unfasten the left side
hooks and remove the
front panel.
When reassembling, fit the
left side of the front panel
first.
Step Procedure Points
Front panel
(R16757)
(R16759)
(R16760)

Outer Panels Si001163EA
4Removal Procedure
6 Remove the screw of
the stop valve cover.
7
8
Pull down the stop
valve cover to unfasten
the hooks.
Remove the stop valve
cover.
When reassembling, make
sure the 6 hooks are
securely fastened.
Step Procedure Points
Stop valve cover
(R16761)
(R16762)
(R24295)

Si001163EA 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 Remove the shield
plate.
2 Disconnect the
connector [S70].
[S70]: fan motor
3 Release the clamp that
fixes the fan motor lead
wire’s ferrite core to the
partition plate.
Pinch the clamp with pliers
and push from the back to
remove.
Shield plate
(R16785)
(R16951)
[S70]
Ferrite core
Back view Partition plate
(R24378)
(R24296)

Outdoor Fan / Fan Motor Si001163EA
6Removal Procedure
4 Release the fan motor
lead wire from the
groove and from the 2
hooks on the partition
plate.
5 Remove the nut of the
outdoor fan.
Nut size: M6
6 Remove the outdoor
fan.
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
Step Procedure Points
(R16796)
Hook
Hook
(R24379)
Outdoor fan
(R16787)
10 mm
(0.39 inch)
(R18954)
(R16788)

Si001163EA Outdoor Fan / Fan Motor
Removal Procedure 7
7 Remove the 2 screws
of the fan motor fixing
frame.
8
9
Pull up the fan motor
fixing frame to unfasten
the 2 hooks at the
bottom.
Remove the fan motor
fixing frame.
When reassembling, make
sure the 2 hooks are
securely fastened.
10 Open the hook and
release the fan motor
lead wire.
When reassembling, make
sure the hook is securely
fastened.
11 Remove the 4 screws,
and then the fan motor.
Step Procedure Points
Fan motor fixing frame
(R24380)
(R24381 )
(R20314)
Hook
(R24297)
Fan motor
(R16792)

Electrical Box Si001163EA
8Removal 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 2 screws
of the protection plate.
2 Remove the protection
plate.
3
4
Remove the 3 screws,
and then the wire
fixture.
Remove the 7 screws,
and then the connecting
wire and the power
supply wire.
For U.S. models
When reassembling, pass
the connecting wires through
the conduit and secure them
with a lock nut.
5 Remove the 2 screws,
and then the earth/
ground wire.
(R24298)
Protection plate
(R24299)
(R24300)
Power supply wire
Connecting wire
Lock nut
Conduit
mounting plate
Conduit 1/2 inch
(21.3mm)
(R16825)
(R24301)
Earth/ground wire