Daikin 2AMK40FV1B Manuale utente

REMOVAL

PROCEDURE

SERVICE MANUAL

4.0/5.0 kW Class

Outdoor Unit

Inverter

Multi Type

Si12-891

Service Manual

Removal Procedure

Outdoor Unit

zCooling Only zHeat Pump

2AMK40FV1B 2AMX40F2V1B

2AMK50FV1B 2AMX50F2V1B

2AMX40FV1B

2MKS40FV1B 2AMX50FV1B

2MKS50FV1B

2MXS40FV1B

2MKS40G2V1B 2MXS50FV1B

2MKS50G2V1B

2MKS40GV1B 2MXS40G2V1B

2MKS50GV1B 2MXS50G2V1B

2MXS40GV1B

2MXS50GV1B

2MXS50GVLT

Si12-891

Removal Procedure 1

Table of Contents

1. Removal of Outer Panels ........................................................................2

2. Removal of Electrical Box .......................................................................4

3. Removal of PCB......................................................................................9

4. Removal of Sound Blankets..................................................................14

5. Removal of Outdoor Fan / Fan Motor ...................................................16

6. Removal of Thermistors ........................................................................19

7. Removal of Four Way Valve / Outdoor Electronic Expansion Valves ...21

8. Removal of Compressor .......................................................................24

Note: The illustrations may be slightly different depending on the model.

The illustrations are for heat pump models as representative.

Removal of Outer Panels Si12-891

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

1External appearance

2Remove the 2 screws

and remove the top

panel.

The front panel has 4 hooks.

3Remove the 8 screws

and remove the front

panel.

(R7570)

Room A

Room B

}

Liquid side

Gas side

(R7571)

(R12527)

Top panel

Hooks

Discharge grille Front panel

Hooks

Si12-891 Removal of Outer Panels

Removal Procedure 3

4Remove the 4 screws

and remove the

discharge grille.

When reassembling, make

sure to fit the 4 hooks.

5Remove the 2 screws

and remove the stop

valve cover.

When reassembling, make

sure to fit the 4 hooks.

Step Procedure Points

(R12767)

(R7699)

Stop

valve

cover

(R7701)

Removal of Electrical Box Si12-891

4Removal Procedure

2. Removal of Electrical Box

Procedure Warning Be sure to wait for 10 minutes or more after turning off all power

supplies before disassembling work.

Step Procedure Points

1. Disconnect the

connecting wires.

When reassembling, fasten

the wires with screws on the

terminal board.

1Remove the 2 screws

of earth wires.

Remove the 2 screws

and remove the wiring

fixture.

Then remove all the

screws to disconnect

the power supply

cables and the

connecting wires.

2. Remove the electrical

box.

1Release the outdoor

temperature thermistor.

2Lift up the guard net

and remove it.

44P

Room A Room B

Power supply

(R7573)

Screw of

earth wire

Wiring

fixture

(R7208)

Outdoor temperature thermistor

Guard net

(R7209)

Si12-891 Removal of Electrical Box

Removal Procedure 5

3Disconnect the

connector for the fan

motor [S70].

4Release the fan motor

lead wire.

5Disconnect the

connector for the gas

pipe thermistor [S91]

and for the liquid pipe

thermistor [S92].

[S91]: gas pipe thermistor

(white)

[S92]: liquid pipe thermistor

(red)

6Disconnect the

connector for the

overload protector

[S40].

[S40]: overload protector

Step Procedure Points

[S70]

(R12529)

(R7579)

[S92] [S91]

(R12530)

[S40]

(R12531)

Removal of Electrical Box Si12-891

6Removal Procedure

7Disconnect the

connectors [S20],

[S21], [S80].

The cooling only models do

not have the harness for

[S80].

[S20]: outdoor electronic

expansion valve coil for

room A (white)

[S21]: outdoor electronic

expansion valve coil for

room B (red)

[S80]: four way valve coil

8Pull out the clamp from

the electrical box.

The clamp is push-mount

type.

9Disconnect the relay

connector for the

compressor.

10 Disconnect the 2

connectors for the

reactor.

Step Procedure Points

[S20] [S21] [S80]

(R12532)

(R7583)

(R12533)

(R12534)

Si12-891 Removal of Electrical Box

Removal Procedure 7

11 Release the discharge

pipe thermistor.

Meet the edge of the

thermistor and the clip.

Be careful not to lose the clip

for the thermistor.

12 Disconnect the

connector for the

thermistors [S90].

[S90]: thermistors (outdoor

temperature, outdoor

heat exchanger,

discharge pipe)

13 Detach the clamp for

the thermistors from the

electrical box.

14 Remove the screw on

the right side of the

electrical box.

Step Procedure Points

Discharge pipe thermistor

(R12535)

[S90]

(R7587)

Clamp

(R12771)

(R12536)

Removal of Electrical Box Si12-891

8Removal Procedure

15 Loosen the screw in

front of the electrical

box.

16 Lift and remove the

electrical box.

Step Procedure Points

(R7590)

(R12537)

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