Daikin RX15FVJU User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
15000/18000/24000 Btu/h Class
Outdoor Unit
Inverter
Pair Type
Si00-976

Service Manual
Removal Procedure
Outdoor Unit
zHeat Pump
RX15FVJU
RX18FVJU
RX24FVJU
RXS15DVJU
RXS18DVJU
RXS24DVJU

Si00-976
Removal Procedure 1
Table of Contents
1. Removal of Outer Panels ........................................................................2
2. Removal of Outdoor Fan / Fan Motor .....................................................6
3. Removal of PCBs / Electrical Box .........................................................10
4. Removal of Reactor ..............................................................................17
5. Removal of Sound Blankets..................................................................19
6. Removal of Electronic Expansion Valve ...............................................21
7. Removal of Compressor .......................................................................22
Note: The illustrations may be slightly different depending on the model.

Removal of Outer Panels Si00-976
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
1. Remove the panels.
Take care not to cut your
finger by the fins of the
outdoor heat exchanger.
1Remove the 4 screws
and lift the top panel.
2Remove the 4 screws
and remove the
discharge grille.
Slide the discharge grille
upward and remove it.
Top panel
(R16425)
(R16426)
Discharge grille (R16559)

Si00-976 Removal of Outer Panels
Removal Procedure 3
The discharge grille has 4
hooks.
3Remove the 6 screws
of the front panel.
4Push the front panel
and lift the shield plate
to unfasten the hooks.
Step Procedure Points
(R2679)
Front panel
(R2680)
Shield plate
(R16560)
(1) Push the
front panel.
(2) Lift the shield
plate upwards.

Removal of Outer Panels Si00-976
4Removal Procedure
5Unfasten the left side
hooks, and then the
right side hook.
Remove the front panel.
Lift the front panel while
pushing the left side panel
inward.
Lift the front panel and
unfasten the right side hook.
When reassembling the
front panel, fit the right side
hook first.
Step Procedure Points
(R5249)
(R5250)
(R5251)

Si00-976 Removal of Outer Panels
Removal Procedure 5
2. Remove the stop valve
cover.
1Remove the screw of
the stop valve cover.
2Pull the stop valve
cover downward to
unfasten the hooks and
remove it.
The stop valve cover has 6
hooks.
Step Procedure Points
Stop valve cover
(R5252)
(R16679)
(R16680)

Removal of Outdoor Fan / Fan Motor Si00-976
6Removal Procedure
2. Removal of Outdoor Fan / Fan Motor
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 electrical box
cover.
Preparation
Remove the top panel and
the front panel according to
the “Removal of Outer
Panels”.
This procedure is not
necessary to remove the
outdoor fan only.
1Remove the screw of
the shield plate.
2Unfasten the 2 hooks
and remove the shield
plate.
3Release the 4 hooks of
the electrical box cover
and remove it.
(R16429)
Shield plate
Claws
(R17063)
Electrical
box cover
(R2690)

Si00-976 Removal of Outdoor Fan / Fan Motor
Removal Procedure 7
2. Remove the fan motor.
1Disconnect the
connector for the fan
motor [S70].
2The illustration shows
arrangement of the fan
motor lead wire.
Step Procedure Points
(R16431)
[S70]
(R2692)
Fan motor lead wire (R2693)

Removal of Outdoor Fan / Fan Motor Si00-976
8Removal Procedure
3Remove the nut of the
outdoor fan.
Nut size: M6
When reassembling, align
the mark of the outdoor
fan with the D-cut section of
the motor shaft.
4Remove the 2 lower
screws from the fan
motor first.
Be sure to remove the lower
screws first. If the top
screws are removed first,
the fan motor may tilt down
or fall and cause injury
because its center of gravity
is shifted to the front.
5Then, remove the 2
upper screws.
Step Procedure Points
Outdoor fan
(R2694)
10 mm
(R12236)
(R2695)
Fan motor
(R2696)