Daikin CCXS09PVM User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Ceiling Mounted Cassette
Type (Single Flow)
9000/12000/18000 Btu/h
Si091659E

Service Manual
Removal Procedure
Indoor Unit
zHeat Pump
CCXS09PVM
CCXS12PVM
CCXS18PVM

Si091659E
Removal Procedure 1
Table of Contents
1. Air Filters / Front Grille ............................................................................2
2. Horizontal Blades ....................................................................................4
3. Decoration Panel ASSY ..........................................................................5
4. Air Outlet ASSY.......................................................................................9
5. PCB / Thermistor...................................................................................12
6. Electrical Box ........................................................................................14
7. Drain Pan ..............................................................................................20
8. Drain Pump ...........................................................................................22
9. Heat Exchanger ....................................................................................24
10.Fan Motor..............................................................................................26
Note: The illustrations may be slightly different depending on the model.

Air Filters / Front Grille Si091659E
2Removal Procedure
1. Air Filters / Front Grille
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 air filters.
1 Unfasten the 3 hooks of
the front grille.
2 Open the front grille.
3 Unfasten the 4 hooks
and remove the
Titanium apatite
photocatalytic air-
purifying filter.
4 Unfasten the hook at
the center of the air
filter.
Front grille
(R10891)
Front grille
(R10892)
Hook
Hook
Titanium apatite
photocatalytic
air-purifying filter
(R10893)
Air filter
(R10894)

Si091659E Air Filters / Front Grille
Removal Procedure 3
5
6
Remove the air filter.
Remove the other air
filter in the same way.
2. Remove the front grille. Do not completely open the
front grille.
The shaft may become stuck
if the front grille is opened
too widely.
The front grille can be
removed without removing
air filters.
1 Slide the right and left
levers toward the inside
while holding the front
grille with one hand.
2 Pull down slightly and
remove the front grille.
Step Procedure Points
(R10895)
Right lever
(R10896)
Left lever
(R10897)
(R10898)

Horizontal Blades Si091659E
4Removal Procedure
2. Horizontal Blades
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1
2
Open the horizontal
blades.
Bend the horizontal
blades and release the
2 center shafts for each
blade.
3 Release the left and
right shafts for each
blade.
Installation procedure
1. Fit the horizontal blade to the
right shaft first. Make sure to
rotate the horizontal blade so
the shaft fits correctly.
2. Fit the horizontal blade to the
center and left shafts.
Horizontal blade
Shaft
(R23744)
Right shaft
(R23745)
(R10901)

Si091659E Decoration Panel ASSY
Removal Procedure 5
3. Decoration Panel ASSY
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1. Release the harnesses.
1 Remove the screw of
the service cover.
2 Open the service cover.
3 Remove the screw of
the electrical box cover.
Service cover
(R23746)
(R23747)
Electrical box
cover
(R23748)

Decoration Panel ASSY Si091659E
6Removal Procedure
4 Disconnect each
connector and release
the harnesses.
[S41]: sensor PCB (Room
temperature thermistor)
[S45]: swing motors
[S48]: display/signal receiver
PCB
2. Remove the decoration
cover.
The screw on the right side
runs through the service
cover.
1
2
Remove the 2 screws
of the decoration cover.
Slide the decoration
cover horizontally to
release the 4 hooks.
3
4
Slide the decoration
cover to release the 2
hooks on the left.
Remove the decoration
cover.
3. Remove the display and
control panel.
You can remove the signal
receiver unit without
removing the decoration
panel ASSY.
1 Unfasten the 4 hooks of
the display and control
panel.
Step Procedure Points
[S48]
[S45]
[S41]
(R23749)
Hook
Decoration cover
(R23750)
Hook
(R23751)
Hook
Hook
Display and
control panel
(R23752)

Si091659E Decoration Panel ASSY
Removal Procedure 7
4. Remove the decoration
panel.
1 Open the horizontal
blade.
2 Remove the 2 screws
at the center of the
decoration panel.
3 Loosen the 2 screws of
the left side of the
decoration panel.
Loosen the screws until they
come out about 25 ~ 30mm.
4 Remove the 2 screws
on the right side of the
decoration panel.
Step Procedure Points
Center RightLeft
Horizontal blade
(R23753)
Center
Screw cover
(R23754)
Left
(R23755)
Right
Service cover
(R23756)

Decoration Panel ASSY Si091659E
8Removal Procedure
5 Insert a flat screwdriver
into the decoration
panel ASSY fixing
hook, and then release
the fixing hook.
6 Slide the decoration
panel ASSY to the right
to remove.
Step Procedure Points
Fixing hook
(R10916)
(R10917)

Si091659E Air Outlet ASSY
Removal Procedure 9
4. Air Outlet ASSY
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Caution When reassembling, do not confuse the installing order of the 2 motors for horizontal
blades and the colors of the connectors.
If you set the connectors or motors opposite, the horizontal blades do not move
smoothly or noise may be heard.
Step Procedure Points
1. Remove the air outlet
ASSY.
When replacing the air outlet
ASSY, replace the thermal
insulation as well.
1 Remove the thermal
insulation and the 6
screws.
2 Remove the 8 screws
of the air outlet ASSY.
3 Lift the air outlet ASSY
and remove it.
Lift the air outlet ASSY from
the side opposite the swing
motor.
Thermal insulation
(R23757)
Air outlet ASSY
(R23758)
Swing motor
(R10920)

Air Outlet ASSY Si091659E
10 Removal Procedure
2. Remove the swing motor
for the horizontal blades.
1 Remove the 2 screws,
and then the horizontal
swing motor fixture.
2 Remove the 3 screws,
and then remove the
swing motors.
3. Remove the swing motor
for the vertical blades.
1 Remove the screw, and
then the motor cover for
the vertical blades.
2 Release the link (1)
from the swing motor
with a flat screwdriver.
Step Procedure Points
Horizontal swing motor fixture
(R23759)
Swing
motor
(R23760)
Motor cover
(R10923)
Swing motor
Link (1)
(R10924)

Si091659E Air Outlet ASSY
Removal Procedure 11
3 Remove the 2 screws,
and then the swing
motor.
4 Release the link (3).
5
6
Remove the vertical
blades.
Remove the interlock
rod for the vertical
blades.
Step Procedure Points
Swing motor
(R23761)
Link (3)
(R23762)
Interlock rod
Vertical blades
(R10927)

PCB / Thermistor Si091659E
12 Removal Procedure
5. PCB / Thermistor
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 signal
receiver unit.
1 Cut the 2 clamps.
2 Remove the 4 hooks,
and then the signal
receiver unit.
3 Unfasten the 2 hooks
on the back of the
signal receiver unit.
4 Open the cover and
unfasten the 2 hooks
for the display/signal
receiver PCB.
(R10928)
Hook
Hook
(R23763)
Hook
(R10930)
Hook
(R10931)

Si091659E PCB / Thermistor
Removal Procedure 13
5 Lift and remove the
display/signal receiver
PCB.
6 Disconnect the
connector [S44].
[S44]: service PCB
2. Remove the room
temperature thermistor
ASSY.
1 Remove the screw and
release the harnesses
from the hook.
2 Disconnect the
connector and remove
the room temperature
thermistor.
The room temperature
thermistor is a part of the
sensor PCB.
Step Procedure Points
Display/signal
receiver PCB
Hook
(R23764)
[S44]
(R23765)
Hook
Room
temperature
thermistor
ASSY
(R23766)
Hook
Room temperature
thermistor
(R10935)

Electrical Box Si091659E
14 Removal Procedure
6. Electrical Box
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.
[H1]: power supply, black
[H2]: power supply, white
[H3]: transmission, red
1
2
Remove the screw, and
then the wire fixture.
Remove the screws of
the power supply wire
and connecting wire on
the terminal board.
3 Disconnect the
connectors [S200]
[S40] [S52].
[S40] : float switch of drain
pump
[S52] : drain pump unit
[S200]: DC fan motor
4 Disconnect the relay
connector for the heat
exchanger thermistor.
Wire fixture
Terminal board (R23767)
[S200] [S40] [S52]
(R10940)
Relay connector
for heat exchanger
thermistor (R10941)

Si091659E Electrical Box
Removal Procedure 15
5 Remove the 2 screws
of the electrical box.
6 Pull out the electrical
box.
2. Remove the shield plate
(left).
1 Remove the 4 screws.
Step Procedure Points
(R23768)
(R10943)
Right view
(R23769)

Electrical Box Si091659E
16 Removal Procedure
2 Unfasten the 5 hooks
from the bottom and
remove the shield plate
(left).
Step Procedure Points
Left view
Shield plate
(left)
(R23770)
Shield plate
(left)
(R10946)
Hook
Hook
(R23771)

Si091659E Electrical Box
Removal Procedure 17
3. Remove the PCBs.
1 Cut the clamp.
2
3
Cut the clamp.
Disconnect the
connector [S3] on the
service PCB.
[S3]: main PCB
4 Disconnect the
connector [S1] on the
main PCB.
[S1]: service PCB
Step Procedure Points
(R23814)
[S3] Service PCB
(R23772)
[S1]
Main PCB
(R10950)

Electrical Box Si091659E
18 Removal Procedure
5 Remove the screw, and
then the terminal board.
★M4 ×25
6 Pull out the FASTON
terminals from the
terminal board.
7 Unfasten the 2 hooks
and remove the service
PCB.
Step Procedure Points
Terminal board
(R23815)
FASTON terminal
(R10952)
HookService PCB
(R10953)