Daikin RKM33NV2S User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Outdoor Unit

Inverter

Pair Type

6.0/7.0/7.1/8.0/8.5/9.0 kW Class

33000 Btu/h Class

Si001272EC

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Service Manual

Removal Procedure

Outdoor Unit

zCooling Only zHeat Pump

RKM33NV2S RXM71NVLT

RXM80NVLT

RKS33JV2S RXM90NVLT

RKS85HVM RXS60KBVMA

RKS85JVMG RXS70MVLT

RXS80MVLT

RKS70MVLT RXS90MVLT

RKS80MVLT

RKS90MVLT

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Si001272EC

Removal Procedure 1

Table of Contents

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

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

3. PCBs .....................................................................................................10

4. Fan Motor..............................................................................................12

5. Coils / Thermistors ................................................................................13

6. Sound Blankets .....................................................................................15

7. Compressor...........................................................................................16

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

The illustrations are for heat pump models as representative.

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Outer Panels Si001272EC

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 suction grille. The hooks are secured in

the clearances of the

outdoor heat exchanger fins.

Unfasten the 3 hooks at

the top.

Unfasten the 3 hooks at

the middle.

3 Unfasten the 3 hooks at

the bottom and remove

the suction grille.

2. Remove the top and right

side panels.

Remove the 9 screws,

and then the top panel.

Remove the 5 screws

on the right side panel.

Slide the right side

panel downward to

unfasten the 2 hooks on

the back side.

Remove the right side

panel.

(R16619)

Suction grille

(R9587)

Top panel

Right

side

panel

(R18690)

Hook

(R18072)

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Si001272EC Outer Panels

Removal Procedure 3

3. Remove the front panel

(2).

Remove the screw.

Slide the front panel (2)

downward to unfasten

the 3 hooks.

3 Remove the front panel

(2).

4. Remove the front panel

(1).

Remove the discharge grille

and the outdoor fan before

removing the front panel (1).

Remove the 4 screws

on the discharge grille.

Pull the bottom of the

discharge grille and

remove it.

3 Remove the nut, and

then the outdoor fan.

Nut size: M8

When reassembling, align

the mark of the outdoor

fan with the D-cut section of

the motor shaft.

Step Procedure Points

Front

panel (2)

Hook

(R23986)

(R16718)

Discharge grille

Front panel (1)

(R18039)

(R18880)

Outdoor fan

13 mm

(0.51 inch)

(R18965)

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Outer Panels Si001272EC

4Removal Procedure

Remove the 5 screws

on the front side.

Remove the screw at

the bottom of the left

side.

6 Remove the screw at

the bottom of the back

side.

7 Release the hook and

remove the front panel

(1).

Step Procedure Points

(R18040)

(R9602)

(R24010)

Front panel (1)

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Si001272EC Outer Panels

Removal Procedure 5

5. Remove the rear panel.

Remove the 2 screws

on the partition plate

(2).

Lift up slightly and

remove the partition

plate (2).

3 Remove the 3 screws,

and then the wire

fixture.

Remove the 7 screws

of the terminal block.

Detach the connecting

wire and the power

supply wire.

6Remove the 5 screws. When the unit has an

auxiliary heat exchanger,

remove the 4 screws.

Step Procedure Points

Rear panel

Partition

plate (2)

(R16720)

(R18882)

Wire

fixture

Connecting wire

Power supply wire

Terminal block

(R23987)

Rear panel

(R18043)

Rear panel

(R18883)

Auxiliary heat

exchanger

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Outer Panels Si001272EC

6Removal Procedure

Remove the screw on

the stop valve mounting

plate.

Lift the rear panel

upward to unfasten the

2 hooks.

9 Release the hooks on

the inner-side of the

rear panel and detach

the outdoor

temperature thermistor

holder.

10 Remove the rear panel.

Step Procedure Points

(R18073)

Hook

Stop valve

mounting plate

Outdoor temperature thermistor holder

Inner side of the rear panel

(R23988)

Rear panel (R16640)

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Si001272EC 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

1 Remove the screw on

the partition plate (1).

Remove the screw on

the stop valve mounting

plate.

Remove the 2 screws

to detach the earth/

ground wires.

Disconnect the

connector [S70].

Release the 4 clamps

attached to the

electrical box.

[S70]: fan motor

When reassembling, insert

each clamp into the hole.

Some models do not have a

harness for four way valve

coil.

Partition plate (1)

(R16917)

Earth/ground

wire

Stop valve

mounting plate (R18969)

[S70]

(R23989)

For the electronic

expansion valve coil

harness

For the thermistor

ASSY harnesses

For the four way

valve coil

harness

For the fan

motor harness

(R23990)

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Electrical Box Si001272EC

8Removal Procedure

6 Release the fan motor

lead wire.

★: When reassembling, do not

use these 3 hooks.

7 Disconnect the

connectors [S20], [S80]

and [S90].

[S20]: electronic expansion

valve coil

[S80]: four way valve coil

[S90]: thermistors

The cooling only models do

not have a harness for [S80].

8 Pull out the clamp and

release the compressor

lead wire from the

partition plate (1).

9 Disconnect the relay

connector for the

overload protector and

the compressor.

Step Procedure Points



(R18249)

Fan motor lead wire

[S20] [S90] [S80]

(R9622)

(R24011)

Clamp

Partition

plate (1)

(R9625)

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