Daikin FFQ09Q2VJU User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Ceiling Mounted Cassette Type
9000/12000/15000/18000 Btu/h Class
Si091657EA

Service Manual
Removal Procedure
Indoor Unit
zHeat Pump
FFQ09Q2VJU
FFQ12Q2VJU
FFQ15Q2VJU
FFQ18Q2VJU
zDecoration Panel
BYFQ60C2W1W
BYFQ60C2W1S
BYFQ60B3W1

Si091657EA
Removal Procedure 1
Table of Contents
1. Decoration Panel (BYFQ60C2W1W(S)) .................................................2
1.1 Suction Grille / Air Filter............................................................................2
1.2 Swing Motor .............................................................................................3
1.3 Decoration Panel......................................................................................6
2. Decoration Panel (BYFQ60B3W1)..........................................................8
2.1 Suction Grille / Air Filter............................................................................8
2.2 Decoration Panel / Swing Motor / Horizontal Blades..............................10
3. Indoor Unit Body ...................................................................................14
3.1 Drain Pan ASSY / Fan Motor / Drain Pump ...........................................14
3.2 Thermistors ............................................................................................18
4. Indoor Heat Exchanger .........................................................................19
Note: The illustrations may be slightly different depending on the model.

Decoration Panel (BYFQ60C2W1W(S)) Si091657EA
2Removal Procedure
1. Decoration Panel (BYFQ60C2W1W(S))
1.1 Suction Grille / Air Filter
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1 Pinch the 2 levers
simultaneously and pull
down the suction grille.
Clean the air filter using
a vacuum cleaner or wash it
with water. Do not use hot
water above 50°C.
After cleaning the air filter,
reset filter cleaning sign
according to the following
procedure.
• Wired remote controller
Select Reset Filter
Indicator from the Main
menu.
• Wireless remote controller
Press FILTER SIGN
RESET button.
2 Detach the hinges to
remove the suction
grille.
3 Release the 4 hooks
and remove the air
filter.
Air filters can be removed
without removing the suction
grille.
Lever
Suction grille (R23855)
(R23856)
Hinge
(R23857)
Air filter
Hook
Hook
Back view of suction grille
Clean the suction grille with
water using a softbristled
brush. Use neutral detergent
if necessary. Do not use hot
water above 50°C.

Si091657EA Decoration Panel (BYFQ60C2W1W(S))
Removal Procedure 3
1.2 Swing Motor
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 2 screws.
2 Pull the corner cover
ASSY toward the center
to release the 3 hooks.
When reassembling the
corner cover ASSY, make
sure to fit the corner hook
first, then the opposite side.
3 Remove the opposite
corner cover ASSY in
the same way.
(R23858)
(R25292)
Corner cover ASSY
Hook
Hook
(R23860)
(1)
(2)
(R23861)

Decoration Panel (BYFQ60C2W1W(S)) Si091657EA
4Removal Procedure
4 Remove the screw.
5 Pull out the motor
ASSY slightly, and
detach the shaft of the
horizontal blade.
6 Pull out the horizontal
blade from the motor
ASSY shaft.
Step Procedure Points
(R23862)
(R25293)
Horizontal blade
Shaft Motor ASSY
(R23864)
Shaft

Si091657EA Decoration Panel (BYFQ60C2W1W(S))
Removal Procedure 5
7 Disconnect the
connector for the swing
motor.
When reassembling, make
sure to attach the red
connector to the red side,
and the white connector to
the white side.
8 Remove the 2 screws
and release the swing
motor.
9 Pull to detach the swing
motor from the bearing.
10 Remove the remaining
3 swing motors in the
same way.
Step Procedure Points
(R23865)
Swing motor
Connector for
the swing motor
Red
White
(R23866)
(R23867)
Bearing
(R23868)

Decoration Panel (BYFQ60C2W1W(S)) Si091657EA
6Removal Procedure
1.3 Decoration Panel
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 2 screws.
2 Open the electrical box
cover.
3
4
Cut the clamp.
Disconnect the
connector [X36A] and
release the harness
from the groove.
[X36A]: decoration panel
When using wireless remote
controller, disconnect the
connector [X24A] on the
transmitter board.
(R23869)
Electrical box cover
(R23870)
[X36A] [X24A]
Clamp
Groove
(R25294)

Si091657EA Decoration Panel (BYFQ60C2W1W(S))
Removal Procedure 7
5
6
7
Remove the 4 screws
of the decoration panel.
Release the hook from
the temporary latch on
both sides.
Remove the decoration
panel.
Make sure that the
temporary latch is fixed to
prevent the decoration panel
from falling.
+Flocked hexagonal screws
It is possible to remove the
decoration panel without
removing the horizontal
blades and swing motors.
When reassembling, make
sure to match the drain side
and the piping side marks on
the decoration cover with the
position of the drain area
and piping area of the indoor
unit.
Step Procedure Points
T empo rary
latch
T
empo rary
latch
Hook
Decoration
panel
(R23872)
Back view
Drain side mark Piping side mark (R23874)
T empo rary latch
(R23873)

Decoration Panel (BYFQ60B3W1) Si091657EA
8Removal Procedure
2. Decoration Panel (BYFQ60B3W1)
2.1 Suction Grille / Air Filter
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1 Pinch the 2 levers
simultaneously and pull
down the suction grille.
Clean the air filter using a
vacuum cleaner or wash it
with water. Do not use hot
water above 50°C.
After cleaning the air filter,
reset filter cleaning sign
according to the following
procedure.
• Wired remote controller
Select Reset Filter
Indicator from the Main
menu.
• Wireless remote controller
Press FILTER SIGN
RESET button.
Clean the suction grille with
water using a softbristled
brush. Use neutral detergent
if necessary. Do not use hot
water above 50°C.
2 Unfasten the hooks and
remove the suction
grille.
Make sure to open the front
grille more than 45 degrees
to avoid breaking the hook.
(R23875)
Lever
Suction grille
(R23876)
Hook
(R23877)