Daikin 3 HP Series User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Outdoor Unit

Inverter

Pair Type

3 HP Class

Si281308

Service Manual

Removal Procedure

Outdoor Unit

Applicable Models

zHeat Pump

RZQ72KMV2C

Si281308

Removal Procedure 1

Table of Contents

1. Procedure to Remove Panels and Plates ...............................................2

2. Procedure to Remove Fan Motor / Propeller Fan ...................................6

3. Procedure to Remove El. Compo. Box .................................................10

4. Procedure to Remove PCB...................................................................15

5. Procedure to Remove Sound Blanket...................................................18

6. Procedure to Remove Four Way Valve.................................................20

7. Procedure to Remove Electronic Expansion Valve...............................21

8. Procedure to Remove Compressor.......................................................23

Procedure to Remove Panels and Plates Si281308

2Removal Procedure

1. Procedure to Remove Panels and Plates

Procedure 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 panels and

plates.

Take care not to cut your

finger by the fins of the heat

exchanger.

1Loosen the 4 screws

and lift the top panel.

2Loosen the 4 screws

and remove the

discharge grille.

Top panel

Outdoor air thermistor

Heat

exchanger

Discharge grille

Si281308 Procedure to Remove Panels and Plates

Removal Procedure 3

The front grille has 4 hooks.

Slide the discharge grille

upwards and remove it.

3Loosen the 6 screws of

the front panel.

4Press the front panel

and undo the hooks.

Lift the clamp plate and

remove it.

Step Procedure Points

Front panel

Clamp plate

Press the

front panel.

Lift the clamp

plate upwards.

Procedure to Remove Panels and Plates Si281308

4Removal Procedure

5Undo the left side

hooks, and then the

right side hook.

Remove the front panel.

Lift the front panel and

remove it while pushing the

left side panel inwards.

Lift the front panel and undo

the right side hook.

Fit the right side of the front

panel first when installing.

Step Procedure Points

Si281308 Procedure to Remove Panels and Plates

Removal Procedure 5

2. Remove the stop valve

cover.

1Loosen the screw of the

stop valve cover.

2Pull down the stop

valve cover to undo the

hooks and remove it.

The stop valve cover has 6

hooks.

Step Procedure Points

Stop valve cover

Procedure to Remove Fan Motor / Propeller Fan Si281308

6Removal Procedure

2. Procedure to Remove Fan Motor / Propeller Fan

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

supplies before disassembling work.

Step Procedure Points

Remove the top panel

and the front panel.

1. Remove the el. compo.

box cover.

This procedure is not

necessary to remove the

propeller fan only.

1Loosen the screw on

the back of the shelter.

2Undo the 2 hooks and

remove it.

The hooks have been

released since the front

panel was removed.

3Release the 4 hooks of

the el. compo. box

cover and remove it.

Shelter

Hooks

El. compo.

box cover

Si281308 Procedure to Remove Fan Motor / Propeller Fan

Removal Procedure 7

2. Remove the fan motor.

1Disconnect the

connector for fan motor

(S70).

Step Procedure Points

S70

Procedure to Remove Fan Motor / Propeller Fan Si281308

8Removal Procedure

2The illustration shows

arrangement of the fan

motor lead wire.

3Unscrew the washer-

fitted nut (M10) of the

propeller fan with a

spanner.

Align mark of the

propeller fan with D-cut

section of the motor shaft

when reassembling.

Step Procedure Points

Fan motor

lead wire

Propeller fan

This manual suits for next models

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