Daikin CTKC15QVM4 User manual
REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter / Non-Inverter
Wall Mounted Type
1.5/2.0/2.5/3.5/4.2/5.0 kW Class
9000/12000/15000/18000 Btu/h Class
Si041551EB
Service Manual
Removal Procedure
Indoor Unit
zCooling Only
CTKC15QVM4
CTKC20QVM4
CTKM25PV14
CTKM35PV14
CTKM42PV14
CTKM50PV14
CTKM09PV2S
CTKM12PV2S
CTKM15PV2S
CTKM18PV2S
CTKS25QVM
CTKS35QVM
CTV25PV1G
CTV35PV1G
CTV50PV1G
FTKC09QV2S
FTKC12QV2S
FTKC25QVM
FTKC35QVM
FTKC25QVM4
FTKC35QVM4
FTKC25QVMV
FTKC35QVMV
FTKM25PVM
FTKM35PVM
FTKM42PVM
FTKM50PVM
Si041551EB
Removal Procedure 1
Table of Contents
1. Air Filters / Front Panel ...........................................................................2
2. Front Grille ..............................................................................................3
3. Horizontal Blade......................................................................................4
4. Electrical Box ..........................................................................................5
5. PCBs .......................................................................................................8
6. Drain Pan / Swing Motors / Vertical Blade ASSYs................................12
7. Indoor Heat Exchanger .........................................................................16
8. Fan Rotor / Fan Motor...........................................................................18
Note: The illustrations may be slightly different depending on the model.
Air Filters / Front Panel Si041551EB
2Removal Procedure
1. Air Filters / Front 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 air filters. The air filter is not marked
for difference between the
right and left sides.
When reassembling, insert
the air filter along the guides.
Insert the air filter with the
“FRONT” mark faced up.
Be sure to insert the 2 hooks
when installing the air filter.
1
2
Open the front panel.
Unfasten the 2 hooks
and pull out the air filter.
2. Remove the front panel.
1 Release the left and
right shafts.
2 Remove the front panel. When reassembling the front
panel, fit the right and left
shafts one by one into the
grooves and fully push them
in position.
Front panel
Hook Air filter
(R21000)
Left
(R23389)
Right
(R23390)
Front panel
(R21003)
Si041551EB Front Grille
Removal Procedure 3
2. 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 2 screws
of the front grille.
2
3
Unfasten the 3 hooks at
the top.
Pull out the upper part
of the front grille, lift up
the lower part, and then
remove the front grille.
The convex marks (…) on
the front panel indicate the
position of the hooks.
When reassembling, make
sure that all the 3 hooks are
fastened.
Front grille
(R21004)
Hook
(R21005)
(R12715)
Horizontal Blade Si041551EB
4Removal Procedure
3. Horizontal Blade
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 center
shaft while bending the
horizontal blade
slightly.
Reassembling 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.
2
3
Release the left shaft.
Release the right shaft.
4 Remove the horizontal
blade.
Horizontal blade
(R22051)
Shaft
(R21007)
Shaft
Left
(R21008)
Shaft
Right
(R23391)
Horizontal blade (R22052)
Si041551EB Electrical Box
Removal Procedure 5
4. 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. Disconnect the
connecting wire.
Service cover can be
removed without removing
the front grille.
There is no hook at the top
of the service cover. Be
careful not to drop it when
the screw is loosened.
1 Remove the screw, and
then the service cover.
2
3
Remove the screw,
unfasten the hook and
remove the wire fixture.
Remove the 4 screws
of the terminal board
and disconnect the
connecting wire.
When reassembling, be sure
to fasten the hook before
tightening the screw.
2. Remove the electrical
box.
When reassembling, be sure
to insert the earth/ground
wire in the front slit and
under the thermistor
harness.
1
2
Remove the screw and
detach the earth/ground
wire.
Release the earth/
ground wire from the
front slit at the top of the
electrical box.
Service cover
(R22053)
Connecting
wire
Wire fixture
Hook
Terminal
board
(R22054) Hook (R22055)
Electrical
box
Earth/ground wire Front slit
(R24241)
Front slit Thermistor
harness
Earth/ground wire (R24242)
Electrical Box Si041551EB
6Removal Procedure
3 Pull out the indoor heat
exchanger thermistor.
Be careful not to lose the clip
of the thermistor.
The position of the indoor
heat exchanger thermistor
varies depending on the
model.
4 Unfasten the 4 hooks
and remove the
electrical box cover.
When reassembling, make
sure that the 4 hooks are
securely fastened.
5
6
Disconnect the
connector [S6].
Release the harnesses
from the 5 hooks.
[S6]: swing motor for horizontal
blade
Step Procedure Points
Indoor heat exchanger thermistor (R22058)
(R11268)
Clip
Hook
Hook
Electrical box
cover
(R22059)
[S6]
Hook Hook
(R24243)
Si041551EB Electrical Box
Removal Procedure 7
7
8
Disconnect the
connector [S11].
Release the harnesses
from the 5 hooks.
[S11]: swing motor for vertical
blades
Some models do not have
the harness for [S11].
9
10
Disconnect the
connector [S200].
Release the harnesses
from the 5 hooks.
[S200]: fan motor
11
12
Remove the screw of
the electrical box.
Slightly lift the electrical
box upward and
remove it.
When reassembling, make
sure to fasten the hook at the
front of the electrical box.
When reassembling, make
sure that the 2 hooks are
securely fastened to the
bottom frame.
Step Procedure Points
[S11]
Hook Hook
(R24244)
Hook
[S200]
Hook
(R23393)
Electrical box
(R22063) Hook
(R22064)
Hook
Hook Bottom frame
(R22065)
PCBs Si041551EB
8Removal Procedure
5. 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 control PCB. [S26]: display/signal receiver
PCB
1
2
Remove the connector
[S26].
Release the harnesses
from the 3 hooks and
the slit.
3 Disconnect all the 5
terminals.
4 Release the earth/
ground wire (yellow/
green) from the slit and
the groove.
[S26]
Hook
Slit
Hook
(R22066)
White RedBlack Earth/ground (yellow/green)
Earth/ground
(green)
(R22067)
123
FRONT
Black Red
Earth/ground (green)
Earth/ground
(yellow/green)
White
(R22265)
Slit
Earth/ground
wire
(yellow/green)
Groove
(R22069)
This manual suits for next models
26
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