Daikin RKM25PRV16 User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Outdoor Unit

Inverter

Pair Type

2.5/3.5 kW Class

Si001410EB

Service Manual

Removal Procedure

Outdoor Unit

zCooling Only

RKM25PRV16

RKM35PRV16

RKM25QRV16

RKM35QRV16

RKM25RRV16

RKM35RRV16

RKMA25QRV16

RKMA35QRV16

RKMA25RRV16

RKMA35RRV16

RKMD25QRV16

RKMD35QRV16

RKMD25RRV16

RKMD35RRV16

RKP25RRV16

RKP35RRV16

RKPA25RRV16

RKPA35RRV16

RKPD25RRV16

RKPD35RRV16

Si001410EB

Removal Procedure 1

Table of Contents

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

2. Outdoor Fan / Fan Motor.........................................................................4

3. Electrical Box ..........................................................................................6

4. Thermistor ASSY ....................................................................................9

5. PCB.......................................................................................................10

6. Reactor / Partition Plate ........................................................................12

7. Sound Blankets .....................................................................................13

8. Electronic Expansion Valve...................................................................14

9. Compressor...........................................................................................16

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

Outer Panels Si001410EB

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 screw of

the stop valve cover.

Pull down the stop

valve cover and remove

it.

When reassembling, make

sure to fit the 5 hooks.

Remove the 2 screws,

and then the top panel.

Remove the 4 screws,

and then the discharge

grille.

The discharge grille has 4

hooks.

5 Remove the 7 screws,

and then the front

panel.

The front panel has 4 hooks.

Stop valve

cover

(R20256)

Hook

(R20257)

Top panel

Discharge grille (R20258)

(R20259)

Front panel (R20260) (R20261)

Si001410EB Outer Panels

Removal Procedure 3

Release the outdoor

temperature thermistor.

Lift up the guard net

and remove it.

Be careful not to cut your

finger on the fins of the

outdoor heat exchanger.

Remove the 3 screws,

and then the wire

fixture.

Remove the 7 screws

on the terminal board

and disconnect both the

connecting wire and the

power supply wire.

Remove the 7 screws

on the right side panel.

Lift up the right side

panel and remove it.

When reassembling, make

sure to fit the 2 hooks on the

right and rear side.

Step Procedure Points

Guard net

Outdoor temperature thermistor

(R20734)

Wire fixture

Terminal board

Connecting wire

Power supply wire

(R20263)

Right side panel

Hook

(R20264)

(R22578)

Outdoor Fan / Fan Motor Si001410EB

4Removal 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

Remove the nut of the

outdoor fan.

Remove the outdoor

fan.

You can remove the outdoor

fan without removing the

right side panel.

Nut size: M6

When reassembling, align

the mark of the outdoor

fan with the D-cut section of

the motor shaft.

3 Disconnect the

connector [S70] or

[S71] depending on the

model.

[S70]/[S71]: fan motor

The location of the

connectors [S70] and [S71]

is different.

4 Release the fan motor

lead wire from the

groove and the hook.

Some models do not have

the hook.

Outdoor fan

Nut

(R23497)

10 mm

(0.39 inch)

(R18954)

[S71] [S70]

(R23498)

Hook Groove

Fan motor

lead wire

(R22579)

Si001410EB Outdoor Fan / Fan Motor

Removal Procedure 5

5 Remove the screw, and

then the fan motor

fixing frame.

When reassembling, fit the 2

lower hooks into the bottom

frame.

6 Unfasten the 2 hooks

and release the fan

motor lead wire.

7 Remove the 4 screws,

and then the fan motor.

When reassembling, put the

fan motor lead wire through

the back of the fan motor to

avoid any entanglement with

the outdoor fan.

Step Procedure Points

Fan motor fixing

frame

(R20635)

Hook

(R20269)

(R22580)

Fan motor lead wire

(R22654)

Fan motor

(R3249)

Lead wire Outdoor fan

Electrical Box Si001410EB

6Removal 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 Cut the clamp.

2 Disconnect the

connector [S70] or

[S71].

[S70]/[S71]: fan motor

3 Release the fan motor

lead wire from the

groove and the hook.

Some models do not have

the hook.

4 Disconnect the

connector [S20].

[S20]: electronic expansion

valve coil

Clamp

(R20646)

[S71] [S70]

(R23498)

Hook Groove

Fan motor

lead wire

(R22579)

[S20]

(R20636)

Si001410EB Electrical Box

Removal Procedure 7

5 Disconnect the

connector [S30].

[S30]: compressor

6 Disconnect the

connector [S40].

[S40]: overload protector

7 Disconnect the 2

connectors for the

reactor.

Disconnect the

connector [S90].

Cut the clamp.

[S90]: thermistors

Step Procedure Points

[S30]

(R20647)

[S40]

(R20648)

Reactor

Brown

Orange

(R20275)

[S90] Clamp

(R20276)

Electrical Box Si001410EB

8Removal Procedure

10 Lift up and remove the

electrical box.

Step Procedure Points

Electrical box

(R23499)

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