Daikin RXZ09NV1S User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Outdoor Unit

Inverter

Pair Type

2.5/3.5/5.0 kW Class

9000/12000/18000 Btu/h Class

Si001412E

Service Manual

Removal Procedure

Outdoor Unit

zHeat Pump

RXZ09NV1S

RXZ12NV1S

RXZ18NV1S

RXZ25NVM

RXZ35NVM

RXZ50NVM

RXZ25NVM4

RXZ35NVM4

RXZ50NVM4

RXZ25NVMG

RXZ35NVMG

RXZ50NVMG

RXZ25NVMV

RXZ35NVMV

RXZ50NVMV

Si001412E

Removal Procedure 1

Table of Contents

1. Outer Panels / Outdoor Fan / Fan Motor.................................................2

2. Electrical Box ..........................................................................................7

3. PCB.......................................................................................................10

4. Reactor / Thermistor ASSY / Partition Plate .........................................12

5. Sound Blankets .....................................................................................15

6. Four Way Valve / Electronic Expansion Valve ......................................16

7. Compressor...........................................................................................19

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

Outer Panels / Outdoor Fan / Fan Motor Si001412E

2Removal Procedure

1. Outer Panels / 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 2 screws

and remove the top

panel.

2 Remove the 6 screws.

3 Unfasten the 5 hooks

and remove the front

panel.

(R21563)

Top panel

Front panel (R21564)

(R21565)

Si001412E Outer Panels / Outdoor Fan / Fan Motor

Removal Procedure 3

4 Remove the 4 screws.

5 Unfasten the 6 hooks

and remove the

discharge grille.

6 Disconnect the

connector [S70].

[S70]: fan motor

7 Release the fan motor

lead wire from the 5

hooks.

Step Procedure Points

(R21566)

Discharge grille

(R21567)

[S70]

(R21568)

Hook

(R21569)

Outer Panels / Outdoor Fan / Fan Motor Si001412E

4Removal Procedure

8 Remove the nut and

remove the outdoor fan.

Nut size: M6

When reassembling, align

the mark of the outdoor

fan with the D-cut section of

the motor shaft.

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).

9 Unfasten the 2 hooks

and release the fan

motor lead wire.

10 Remove the 4 screws

and remove the fan

motor.

Be sure to remove the lower

screws first. If the upper

screws are removed first,

the fan motor may tilt or fall

because the center of its

gravity is toward the front. It

may cause injuries.

Step Procedure Points

Nut Outdoor fan (R21570)

10 mm

(0.39 inch)

(R18954)

(R3249)

Lead wire Outdoor fan

Hook

(R21571)

Fan motor

(R21572)

Si001412E Outer Panels / Outdoor Fan / Fan Motor

Removal Procedure 5

Remove the screw of

the stop valve cover.

Slide the stop valve

cover down and remove

it.

When reassembling, make

sure to fit the 4 hooks.

Remove the 7 screws

and disconnect the

connecting wire and

power supply wire.

Remove the 3 screws

and remove the wire

fixture.

Step Procedure Points

Stop valve cover

(R21573)

Hook

(R21574)

Wire fixture

Connecting wire Power supply wire (R21575)

Outer Panels / Outdoor Fan / Fan Motor Si001412E

6Removal Procedure

Remove the 3 screws.

Slide the suction grille

to the right.

17 Unfasten the 5 hooks

and remove the suction

grille.

Detach the outdoor

temperature thermistor.

Remove the 3 screws

on the right side panel.

Remove the earth /

ground screw.

Unfasten the 4 hooks

and remove the right

side panel.

Remove the liquid

piping and the gas

piping.

When reassembling, make

sure to fit the 4 hooks.

Step Procedure Points

Suction

grille

(R21576)

(R21577)

Outdoor temperature thermistor

(R19605)

Earth / ground screw

(R20299)

Hook

Connecting wire

Liquid piping

Gas piping

(R19606)

Hook

Right side

panel Hook

(R20300)

Si001412E Electrical Box

Removal Procedure 7

2. Electrical Box

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before

disassembling work.

Step Procedure Points

Remove the screw on

the electrical box cover.

Unfasten the 2 hooks of

the electrical box cover.

3 Lift up the electrical box

cover and remove it.

You can check the LED A

(green) through slit.

Disconnect the

connector [S70].

Release the fan motor

harness from the 5

hooks.

[S70]: fan motor

Electrical

box cover

(R21580)

Slit

(R21581)

Hook

[S70]

(R21582)

Electrical Box Si001412E

8Removal Procedure

6 Disconnect the

connectors [S20],

[S80], [S91].

[S20]: electronic expansion

valve coil

[S80]: four way valve coil

[S91]: liquid pipe thermistor

Disconnect the relay

connector for the

compressor.

Disconnect the relay

connector for the

overload protector.

9 Disconnect the

connector [S90].

[S90]: thermistor ASSY

10 Detach the clamp at the

bottom of the terminal

board.

Step Procedure Points

[S91] [S80] [S20]

(R21583)

Relay

connector

for overload

protector

Relay connector for compressor

(R21584)

[S90]

(R21585)

Clamp

(R21586)

This manual suits for next models

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