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

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

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