Daikin FVXG25K2V1B Manuale utente
REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Floor Standing Type
2.5/3.5/5.0 kW Class
Si061263
Service Manual
Removal Procedure
Indoor Unit
zHeat Pump
FVXG25K2V1B
FVXG35K2V1B
FVXG50K2V1B
Si061263
Removal Procedure 1
Table of Contents
1. Front Panel..............................................................................................2
2. Air Filters .................................................................................................3
3. Front Grille ASSY....................................................................................4
4. Electrical Box / PCBs ..............................................................................5
5. Horizontal Blade....................................................................................12
6. Swing Motor ..........................................................................................13
7. Radiant Panel........................................................................................14
8. Air Outlet ASSY.....................................................................................17
9. Drain Pan / Indoor Heat Exchanger ASSY............................................19
10.Fan Rotor / Fan Motor...........................................................................23
Note: The illustrations may be slightly different depending on the model.
Front Panel Si061263
2Removal Procedure
1. Front Panel
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1Open the front panel.
2Release the strings
from the hooks.
When reassembling, hang
the strings on the hooks.
3Unfasten the 3 lower
hooks and remove the
front panel.
Front panel
(R15016)
Lock
Open
Front panel
stopper
(R15017)
Hook
(R15018)
Si061263 Air Filters
Removal Procedure 3
2. Air Filters
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1Pull down and remove
the air filters (upper).
2Pull up and remove the
air filters (lower).
3Remove the Titanium
apatite photocatalytic
air-purifying filter from
the rear side of the air
filter (lower).
To prevent the damage, do
not remove the Titanium
apatite photocatalytic air-
purifying filter from the frame
when cleaning it.
(R15019)
Air filter (upper)
(R15020)
Air filter (lower)
(R15021)
Titanium apatite
photocatalytic
air-purifying filter
(R15022)
Front Grille ASSY Si061263
4Removal Procedure
3. Front Grille ASSY
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1Remove the 5 screws.
2Unfasten the 3 lower
hooks and remove the
front grille ASSY
3Remove the 2 screws
to remove the side
panel (right).
4Remove the 2 screws
to remove the side
panel (left).
5Remove the 3 screws
to remove the suction
grille.
(R15023)
(R15024)
Front grille
ASSY
Hook
(R15025)
Suction grille
Side panel
(right)
Side panel
(left)
Front grille
Si061263 Electrical Box / PCBs
Removal Procedure 5
4. Electrical Box / PCBs
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.
1Remove the screw of
the service cover and
remove it.
2Remove the 4 screws
and disconnect the
connecting wires.
3Remove the screw and
remove the wire fixture.
4Disconnect the relay
connector for the indoor
electronic expansion
valve coil.
Upper: for fan motor
Lower: for indoor electronic
expansion valve coil
5Disconnect the relay
connector for the fan
motor.
6Remove the 3 screws.
Service cover
(R18225)
1
2
3
Wire fixture
Screw
(R18226)
Connecting wires
(R18227)
Relay
connector for
fan motor
Relay connector for indoor
electronic expansion valve coil
1
2
3
(R18362)
Electrical Box / PCBs Si061263
6Removal Procedure
2. Remove the main PCB.
1Remove the 2 screws.
2Remove the electrical
box cover.
3Disconnect the
connectors.
[S6]: swing motor
[S26]: service PCB
[S30]: indoor electronic
expansion valve coil
[S32]: indoor heat exchanger
thermistor
[S33]: room temperature
thermistor
[S34]: radiant panel thermistors
[S46]: display PCB
4Release the harnesses
from the 2 hooks.
Step Procedure Points
(R15034)
(R15035)
Electrical box cover
(R18229)
[S32] [S33] [S34] [S26] [S46]
[S30]
[S6]
Hook
Si061263 Electrical Box / PCBs
Removal Procedure 7
5Disconnect the
connector [FG] [S1]
[S2].
6Unfasten the 2 hooks
and remove the main
PCB.
3. Remove the service PCB.
1Unfasten the hook.
2Disconnect the
connector [S27] and
remove the service
PCB.
[S27]: for main PCB
4. Remove the terminal
board ASSY.
1Remove the screw.
Step Procedure Points
(R18228)
Hook
[S1] [FG]
[S2]
[FG]: earth / ground
[S1]: fan motor
[S2]: terminal board
(R15043)
Hook
[S27]
Service
PCB
(R18230)
(R15047)
Electrical Box / PCBs Si061263
8Removal Procedure
2Unfasten the hook and
remove the terminal
board ASSY.
3Unfasten the hook and
remove the terminal
board cover.
4Release the harnesses
from the hook.
5Cut the clamp.
6Unfasten the 2 hooks of
each connector. Pull
out the 2 relay
connectors.
Upper (brown): fan motor
Lower (red): indoor electronic
expansion valve
Step Procedure Points
Hook
(R18231)
Terminal
board ASSY
(R18265)
Hook
Terminal board
cover
(R18266)
Hook
Clamp
(R15052)
Hook
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6
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