Daikin RX25FV2C Manuale utente
REMOVAL
PROCEDURE
SERVICE MANUAL
Outdoor Unit
Inverter
Pair Type
2.5/3.2 kW Class
Si00-778
Service Manual
Removal Procedure
Outdoor Unit
zHeat Pump
RX25FV2C
RX32FV2C
Si00-778
Removal Procedure 1
Table of Contents
1. Removal of Panels ..................................................................................2
2. Removal of Fan Motor / Propeller Fan ....................................................4
3. Removal of PCB......................................................................................5
4. Removal of Sound Blanket....................................................................12
5. Removal of Four Way Valve .................................................................14
6. Removal of Compressor .......................................................................17
Note: The illustrations may be slightly different depending on the model.
Removal of Panels Si00-778
2Removal Procedure
1. Removal of Panels
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
1. Features
Take care not to cut your
finger by the fins of the heat
exchanger.
The stop valve cover is
united with the shelter.
When reassembling, make
sure to fit the 3 hooks.
1Loosen the screw of the
stop valve cover.
Pull down the stop
valve cover and remove
it.
INVERTER
(R7370)
(R7371)
INVERTER
(R7372)
INVERTER
(R7373)
Shelter
Hooks
Si00-778 Removal of Panels
Removal Procedure 3
2. Remove the panels.
1Loosen the 3 screws
(right: 2 screws, left: 1
screw) and lift the top
panel from the rear side
at first.
2Loosen the 5 screws of
the front panel.
3Lift up the left side and
undo the hook.
4Undo the right side
hook and remove the
front panel.
5Undo the 6 hooks and
remove the discharge
grille.
6The discharge grille has
2 projections to prevent
its rotation. Press the
projection from the rear
side and remove it
clockwise.
Step Procedure Points
INVERTER
Top panel
(R7374)
INVERTER
(R7375)
Handle
INVERTER
Front panel (R7376)
INVERTER
(R7425)
Discharge grille
Projection (rear side)
Removal of Fan Motor / Propeller Fan Si00-778
4Removal Procedure
2. Removal of Fan Motor / Propeller Fan
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
Remove the panels.
1. Remove the propeller fan.
1Disconnect the fan
motor connector (S70).
2Loosen the fixing hooks
and release the lead
wire.
Align the mark of the
propeller fan with the D-cut
section of the motor shaft
when reassembling.
3Unscrew the washer-
fitted nut (M10) of the
propeller fan with a
spanner.
4Remove the propeller
fan.
2. Remove the fan motor. Put the lead wire through the
back of the motor when
reassembling. (so as not to
be entangled with the
propeller fan)
1Loosen the screw to
remove the fan motor
fixing frame.
2Loosen the fixing hooks
and release the lead
wire.
3Loosen the 3 screws to
remove the fan motor.
(R7377)
[S70]
Shaft
D-cut
Mark
Washer-fitted nut 10mm
(R7378)
(R7379)
(R7380)
z
Mark indicates the location
of the lead wire.
Fan motor
fixing frame
(R3249)
Lead wire Propeller fan
(R7381)
Si00-778 Removal of PCB
Removal Procedure 5
3. Removal of PCB
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
Remove the panels. The outdoor air thermistor is
hooked on the guard net.
1. Remove the right side
panel.
1Loosen the screw on
the rear side.
2Unhook the outdoor air
thermistor.
3Lift up the guard net to
remove.
4Loosen the 4 screws on
the right side.
(R7382)
Outdoor air
thermistor
Right
side
panel
(R7383)
(R7384)
(R7385)
Removal of PCB Si00-778
6Removal Procedure
5Undo the rear side
hook.
When reassembling, make
sure to fit the hook.
6Lift up the right side
panel to remove.
2. Remove the electrical
box.
1Disconnect the
connector for four way
valve coil (S80).
2Disconnect the
connector for overload
protector.
Step Procedure Points
(R7386)
Outdoor air thermistor
Hook (R7387)
(R7388)
[S80]
[S40]
(R7389)
Si00-778 Removal of PCB
Removal Procedure 7
3Disconnect the
connector for electronic
expansion valve coil.
4Detach the clamp.
5Disconnect the
connector for
compressor motor.
Pay attention so as not to
lose the clip for thermistor.
When reassembling, do not
cover the dent of clip by
inserting the thermistor.
6Release the discharge
pipe thermistor.
Step Procedure Points
[S20] (R7390)
Clamp
(R7391)
(R7392)
Dent
Discharge pipe thermistor (R7393)
Removal of PCB Si00-778
8Removal Procedure
7Release the heat
exchanger thermistor.
Pay attention so as not to
lose the clip.
8Cut the clamp.
9Undo the hook from the
partition plate.
The electrical box can be
removed by lifting itself
without a screw driver.
10 Lift and remove the
electrical box.
Step Procedure Points
Heat exchanger thermistor
(R7394)
Clip
(R7395)
Clamp
(R7318)
(R7396)
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