Daikin RKN25KEVM User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
2.5/3.5 kW Class
Si001170

Service Manual
Removal Procedure
Outdoor Unit
Applicable Models
zCooling Only
RKN25KEVM
RKN35KEVM

Si001170
Removal Procedure 1
Table of Contents
1. Removal of Outer Panels ........................................................................2
2. Removal of Outdoor Fan / Fan Motor .....................................................4
3. Removal of Electrical Box / PCB.............................................................7
4. Removal of Sound Blankets..................................................................16
5. Removal of Electronic Expansion Valve ...............................................18
6. Removal of Compressor .......................................................................19
Note: The illustrations may be slightly different depending on the model.

Removal of Outer Panels Si001170
2Removal Procedure
1. Removal of Outer Panels
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Appearance features
Take care not to cut your
finger by the fins of the
outdoor heat exchanger.
2. Remove the panels.
1Remove the 3 screws
(right: 1 screw, left: 2
screws) and remove the
top panel.
2Remove the 6 screws
of the front panel.
3Unfasten the right side
hooks and remove the
front panel.
(R14852)
(R14853)
(R14854)
Top panel
Front panel
(R14855)

Si001170 Removal of Outer Panels
Removal Procedure 3
4Unfasten the 10 hooks
and remove the
discharge grille.
Step Procedure Points
(R14856)
Discharge grille

Removal of Outdoor Fan / Fan Motor Si001170
4Removal Procedure
2. Removal of Outdoor Fan / Fan Motor
Procedure 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 outdoor fan. Preparation
Remove the panels
according to the “Removal
of Outer Panels”.
Nut size: M8
1
2
Remove the nut of the
outdoor fan.
Remove the outdoor
fan.
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
2. Remove the fan motor.
1Disconnect the
connector for the fan
motor [S70]. Release
the fan motor lead wire
from the hook.
2Release the fan motor
lead wire from the
hooks.
When reassembling, pass
the fan motor lead wire
along the groove and hooks.
(R14857)
Shaft
D-cut
Nut
Outdoor
fan
13 mm
(R15266)
(R14858)
[S70] Hook
(R14859)

Si001170 Removal of Outdoor Fan / Fan Motor
Removal Procedure 5
3Peel the sealing
material and remove
the 2 upper screws.
4Remove the 2 lower
screws.
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.
5Remove the fan motor
fixing frame.
Step Procedure Points
(R14860)
Sealing
material
Fan motor fixing frame
(R14861)
(R3249)
Lead wire Outdoor fan
(R14862)

Removal of Outdoor Fan / Fan Motor Si001170
6Removal Procedure
6Turn over the fan motor
fixing frame and cut the
2 clamps.
Do not cut the clamp A.
When reassembling, place
the clamp Aunder the
clamp B.
7Release the fan motor
lead wire.
8Remove the 4 screws
and remove the fan
motor.
Step Procedure Points
(R14863)
(R14865)
Clamp B
Clamp A
(R14864)
(R14866)
Fan motor

Si001170 Removal of Electrical Box / PCB
Removal Procedure 7
3. Removal of Electrical Box / PCB
Procedure 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.
Preparation
Remove the panels
according to the “Removal
of Outer Panels”.
1Unhook the outdoor
temperature thermistor.
2Remove the 2 screws
and remove the
terminal cover.
3Remove the screw and
remove the stop valve
cover.
4Remove the screws
and disconnect the
connecting wires.
5Remove the 3 screws
and remove the wire
clamp.
(R14867)
Outdoor temperature thermistor
Stop valve
cover
Terminal cover
(R14868)
(R14869)
(R14870)
Wire clamp

Removal of Electrical Box / PCB Si001170
8Removal Procedure
6Remove the 2 screws
on the rear side of the
right side panel.
7Remove the 5 screws
on the right side panel.
8Lift the electrical box.
Step Procedure Points
(R14871)
Right side panel
(R14872)
(R14873)
Electrical
box