Daikin RKM18PVMK User manual

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

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.

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

(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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