Daikin 2MKC30QVM4 User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Outdoor Unit

Inverter

Multi Type

3.0 kW Class

Si121656E

Service Manual

Removal Procedure

Outdoor Unit

zCooling Only

2MKC30QVM4

Si121656E

Removal Procedure 1

Table of Contents

1. Outer Panels ...........................................................................................2

2. Outdoor Fan / Fan Motor.........................................................................3

3. Electrical Box / PCB ................................................................................5

4. Thermistor ASSY ..................................................................................11

5. Right Side Panel / Partition Plates / Sound Blankets ............................13

6. Electronic Expansion Valve Coils / Gas Pipe Thermistor ASSY ...........17

7. Compressor...........................................................................................18

Outer Panels Si121656E

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

Remove the 4 screws,

and then the top panel.

Remove the 5 screws

of the front panel.

Lift up the left side of

the front panel and

unfasten the 3 hooks.

Unfasten the 2 right

side hooks and remove

the front panel.

When reassembling, make

sure that the 5 hooks are

securely fastened.

Rotate the discharge

grille counterclockwise

to unfasten the 6 hooks.

Remove the discharge

grille.

(R23599)

Top panel

Front panel

(R23600)

(R23601)

Discharge grille

Hook

Si121656E Outdoor Fan / Fan Motor

Removal Procedure 3

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

Disconnect the

connector [S71] and

pull out the clamp.

Release the fan motor

lead wire from the

groove.

[S71]: fan motor

When reassembling, fix the

shield plate to the electrical

box using the clamp.

3 Remove the nut, and

then the outdoor fan.

When reassembling, put the

fan motor lead wire through

the back of the fan motor to

avoid any entanglement with

the outdoor fan.

Nut size: M6

When reassembling, align

the mark of the outdoor

fan with the D-cut section of

the motor shaft.

Groove [S71]

Fan motor lead wire Clamp (R23602)

Clamp

(R23603)

Nut

D-cut

Outdoor fan

(R23604) Lead wire Outdoor fan

(R3249)

10 mm

(0.39 inch)

(R18954)

Outdoor Fan / Fan Motor Si121656E

4Removal Procedure

4 Remove the 2 screws,

and then 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

from the fan motor.

7 Remove the fan motor.

Step Procedure Points

Fan motor fixing frame

(R23605)

Hook (R21610)

Hook

Fan motor lead wire

Back view

(R23606)

Fan motor

(R23607)

Front view

(R22830)

Si121656E Electrical Box / PCB

Removal Procedure 5

3. Electrical Box / PCB

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. When reassembling, make

sure that the 5 hooks are

securely fastened.

Remove the screw of

the stop valve cover.

Slide the stop valve

cover downward and

remove it.

3 Remove the screw of

the shield plate.

4 Lift up the shield plate

and unfasten the 2

hooks to remove it.

When reassembling, make

sure that the 2 hooks are

securely fastened.

(R23608)

Stop valve cover

Hook

(R23609)

(R23610)

Shield plate

Hook

(R23611)

Electrical Box / PCB Si121656E

6Removal Procedure

2. Remove the terminal

boards.

1 Remove the 5 screws,

and then the wire

fixture.

2 Remove the 11 screws

on the 2 terminal

boards and disconnect

the 2 connecting wires

(Room A and B) and

power supply wire.

3 Remove the 2 screws

of the 2 terminal

boards.

Step Procedure Points

Wire fixture

(R23612)

Terminal board

Connecting wire

(Room B)

Connecting wire

(Room A)

Power supply

wire

(R23613)

(R23614)

Si121656E Electrical Box / PCB

Removal Procedure 7

4 Pull out the clamp and

remove the 2 terminal

boards from the

terminal board

mounting plate.

When reassembling, make

sure the ferrite core does not

touch the terminal board

mounting plate.

3. Remove the electrical

box.

[S40]: overload protector

1 Disconnect the

connector [S40].

2 Disconnect the

connectors [S20] and

[S21].

[S20] (white): electronic

expansion valve coil for room A

[S21] (red): electronic

expansion valve coil for room B

Step Procedure Points

Terminal board mounting plate

Ferrite core Clamp

(R23615)

[S40]

(R23616)

[S21]

[S20]

(R23617)

Electrical Box / PCB Si121656E

8Removal Procedure

3 Disconnect the

connectors [S90] and

[S92] and pull out the

clamp.

[S90], [S92]: thermistors

4 Disconnect the

connector [S30].

[S30]: compressor

5 Pull out the clamp.

Step Procedure Points

[S90]

Clamp

[S92]

(R23618)

[S30]

(R23619)

(R23620)

Clamp

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