Daikin RKM18PVMK Manuale utente
REMOVAL
PROCEDURE
SERVICE MANUAL
18000/24000/28000 Btu/h Class
Outdoor Unit
Inverter
Pair Type
Si001559E
Service Manual
Removal Procedure
Outdoor Unit
zCooling Only zHeat Pump
RKM18PVMK RXM18PVMK
RKM24PVMK RXM24PVMK
RKM28PVMK RXM28PVMK
Si001559E
Removal Procedure 1
Table of Contents
1. Outer Panels ...........................................................................................2
2. Outdoor Fan / Fan Motor.........................................................................6
3. Electrical Box ..........................................................................................8
4. PCBs .....................................................................................................11
5. Fan Motor for Cooling Electrical Box / Thermistor ASSY......................14
6. Partition Plate / Sound Blankets............................................................15
7. Electronic Expansion Valve Coil / High Pressure Switch /
Four Way Valve.....................................................................................17
8. Compressor...........................................................................................20
Note: The illustrations may be slightly different depending on the model.
The illustrations are for heat pump models as representative.
Outer Panels Si001559E
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 6 screws
and remove the top
panel.
2 Remove the 3 screws
of the terminal cover.
3 Unfasten the 2 hooks
and remove the
terminal cover.
When reassembling, make
sure that the 2 hooks are
securely fastened.
Top panel
(R22195)
Terminal
cover
(R22196)
Hook
(R22197)
(R22198)
Si001559E Outer Panels
Removal Procedure 3
4
5
Remove the 2 screws.
Pull the partition plate
(2) forward then slide to
the right and remove it.
When reassembling, slide
the partition plate (2) to the
left to securely fasten the 2
hooks.
6 Release the outdoor
temperature thermistor
from the holder and the
slit.
7 Remove the 8 screws
of the right side panel.
Step Procedure Points
Partition
plate (2)
(R22199)
Hook
(R22200)
Slit
Holder
Outdoor temperature thermistor
(R22201)
Right side panel (R22202)
Outer Panels Si001559E
4Removal Procedure
8 Unfasten the hook and
remove the right side
panel.
9 Remove the 6 screws
of the front panel.
10
11
Unfasten the 3 hooks
on the left side.
Remove the front panel.
When reassembling, make
sure that the 3 hooks are
securely fastened.
Step Procedure Points
Hook
Right side panel
(R22203)
Front panel
(R22204)
Hook
Hook
(R22205)
Si001559E Outer Panels
Removal Procedure 5
12 Remove the 4 screws
of the discharge grille.
13 Unfasten the 5 hooks
and remove the
discharge grille.
Step Procedure Points
Discharge grille
(R22206)
Hook
Discharge grille
Hook
(R22207)
Outdoor Fan / Fan Motor Si001559E
6Removal 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 electrical
box cover.
2 Disconnect the
connector [S70] and
release the fan motor
lead wire from the slit.
[S70]: fan motor
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.
3 Remove the nut and
remove the outdoor fan.
Nut size : M8
When reassembling, align
the mark of the fan rotor
with the D-cut section of the
motor shaft.
Electrical box cover
(R22208)
Fan motor lead wire [S70]
Slit
(R22209)
Lead wire Outdoor fan
(R3249)
Outdoor fan
Nut
D-cut
(R22210)
13 mm
(0.51 inch)
(R18965)
Si001559E Outdoor Fan / Fan Motor
Removal Procedure 7
4 Remove the 2 screws
and remove the fan
motor fixing frame.
When reassembling, fit the 2
lower hooks into the bottom
frame.
5 Unfasten the 3 hooks
on the fan motor fixing
frame and release the
fan motor lead wire.
6 Remove the 4 screws
and remove the fan
motor.
Step Procedure Points
Fan motor fixing frame
(R22211)
Hook (R22212)
Hook
Fan motor lead wire
(R20917)
Fan motor (R20918)
Electrical Box Si001559E
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 3 screws
and remove the wire
fixture.
2 Remove the 7 screws
on the terminal board
and disconnect the
connecting wire and
power supply wire.
3 Disconnect the
connector [S20] and
pull out the clamp.
[S20]: electronic expansion
valve coil
Wire fixture
(R22213)
Connecting wire
Terminal board
Power supply wire
(R22214)
[S20]
Clamp
(R22215)
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