Daikin CTKS60QVM User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Wall Mounted Type
4.0/5.0/6.0/7.1 kW Class
18000/24000/28000 Btu/h Class
Si041652EB

Service Manual
Removal Procedure
Indoor Unit
zCooling Only zHeat Pump
CTKS60QVM FTHF40RVLT
CTKS71QVM FTHF50RVLT
FTKC50QVM FTHM50HVMV
FTKC60QVM FTHM60HVMV
FTKC71QVM FTHM71HVMV
FTKC50QVMV FTHP40HVLT
FTKC60QVMV FTHP50HVLT
FTKC71QVMV
FTXF60QVMA
FTKC50QVM4 FTXF71QVMA
FTKC60QVM4
FTKC71QVM4 FTXM50QVMA
FTXM60QVMA
FTKC18QV2S FTXM71QVMA
FTKC24QV2S
FTKC28QV2S FTXV50QVMV
FTXV60QVMV
FTKM50QVMA FTXV71QVMV
FTKM60QVMA
FTKM71QVMA

Si041652EB
Removal Procedure 1
Table of Contents
1. Air Filters .................................................................................................2
2. Front Panel..............................................................................................3
3. Front Grille ..............................................................................................4
4. Horizontal Blades ....................................................................................5
5. Electrical Box ..........................................................................................6
6. PCBs .....................................................................................................10
7. Drain Pan / Swing Motors .....................................................................14
8. Fan Guards / Vertical Blade ASSYs......................................................18
9. Indoor Heat Exchanger .........................................................................20
10.Fan Rotor / Fan Motor...........................................................................23
Note: The illustrations may be slightly different depending on the model.

Air Filters Si041652EB
2Removal Procedure
1. Air Filters
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 filters are 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
bottom hooks when installing
the air filters.
1
2
3
Open the front panel.
Unfasten the 2 hooks
and pull out the air filter
downward to remove it.
Remove the other air
filter in the same way.
2. Remove the optional
filters.
The right and left filters are
interchangeable.
1 Unfasten the 4
projections to remove
the optional filter ASSY.
2
3
Unfasten the 5 hooks
and remove the
optional filter from its
frame.
Remove the other
optional filter in the
same way.
Hook Air filter
Front panel
(R22880)
Projection Projection
Back side
Optional filter ASSY
(R22881)
Optional filter
Hook
Hook
(R23512)

Si041652EB Front Panel
Removal Procedure 3
2. 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 Release the shaft on
both sides.
The shaft on each side can
be released easily by
pushing outward.
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.
Left Shaft
(R23513)
Shaft
Right
(R23514)
Front panel
(R22884)

Front Grille Si041652EB
4Removal Procedure
3. 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 3 screws
of the front grille.
2 Unfasten the 3 hooks at
the top.
The convex marks (…) on
the front panel indicate the
position of the hooks.
When reassembling, make
sure that all the 3 hooks are
fastened.
3 Pull out the upper part
of the front grille, lift up
the lower part and then
remove the front grille.
Front grille
(R22885)
Hook
Top view
(R22886)
Hook
(R22887)
(R22888)

Si041652EB Horizontal Blades
Removal Procedure 5
4. 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 Release the center
shafts of the upper
horizontal blade while
bending the blade
slightly.
2
3
Release the left shaft.
Release the right shaft.
4 Remove the upper
horizontal blade.
Installation procedure
1. Fit the right shaft of the
horizontal blade first. Make
sure to rotate the horizontal
blade so the shaft fits in the
correct position.
2. Fit the horizontal blade to the
center and left shafts.
When reassembling, install
the lower horizontal blade
first.
5 Remove the lower
horizontal blade in the
same way.
Center shaft
Upper horizontal blade
(R22889)
Shaft
Left
(R22890)
Shaft
Right
(R23515)
Upper horizontal blade
(R22892)
Lower horizontal blade
(R22893)

Electrical Box Si041652EB
6Removal Procedure
5. 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.
The service cover can be
removed without removing
the front grille.
The service cover has no
hook and may fall when the
screw is loosened. Be
careful not to drop the
service cover.
1 Remove the screw, and
then the service cover.
2
3
Remove the screw, and
then the wire fixture.
Remove the 4 screws
of the terminal strip and
disconnect the
connecting wire.
2. Remove the electrical
box.
When reassembling, make
sure to pass the green earth/
ground wire behind the heat
exchanger tube, except for
FTXF60QVMA. For
FTXF60QVMA, the green
earth/ground wire should
pass above the heat
exchanger tube.
1 Remove the 2 screws
and detach the earth/
ground wires.
Service cover
(R22894)
Connecting
wire
Wire fixture
Terminal strip
(R24136)
Earth/ground wire (green)
Earth/ground wire (green/yellow)
(R23516)
Earth/ground wire
(green/yellow)
Earth/ground
wire (green) (R24088)

Si041652EB Electrical Box
Removal Procedure 7
2 Pull out the indoor heat
exchanger thermistor.
Be careful not to lose the clip
of the thermistor.
The location of the indoor
heat exchanger thermistor
varies depending on the
model.
3 Unfasten the 4 hooks
and remove the
electrical box cover.
When reassembling, make
sure that the 4 hooks are
securely fastened.
4
5
Disconnect the
connector [S200].
Release the harnesses
from the 4 hooks and
the groove.
[S200]: fan motor
Step Procedure Points
Indoor heat exchanger thermistor
(R22897)
(R11268)
Clip
Hook
Hook
Hook
Electrical box
cover
(R22898)
[S200]
Hook
Groove (R23517)

Electrical Box Si041652EB
8Removal Procedure
6
7
Disconnect the
connector [S6].
Release the harnesses
from the 2 hooks and
the groove.
[S6]: swing motor for horizontal
blades
8
9
Disconnect the
connector [S11].
Release the harnesses
from the 2 hooks and
the groove.
[S11]: swing motor for vertical
blades
Some models do not have
the harness for [S11].
10
11
Disconnect the
connector [S26].
Release the harnesses
from the 3 hooks and
the groove.
[S26]: display/signal receiver
PCB
Step Procedure Points
Groove Hook [S6] (R23518)
[S11]
HookGroove (R23519)
[S26]
Groove Hook (R23520)

Si041652EB Electrical Box
Removal Procedure 9
12
13
Disconnect the
connector [S3].
Release the harnesses
from the 2 hooks and
the groove.
[S3]: INTELLIGENT EYE sensor
PCB
14
15
Remove the screw of
the electrical box.
Slightly lift the electrical
box and remove it.
When reassembling, make
sure the hook at the front of
the electrical box is securely
fastened.
When reassembling, make
sure that the 2 hooks are
securely fastened to the
bottom frame.
Step Procedure Points
[S3]
Hook
Groove (R24089)
Electrical box
(R22904)
Hook (R22905)
Hook
Hook Bottom frame
(R24090)
Right view

PCBs Si041652EB
10 Removal Procedure
6. 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. [S32]: indoor heat exchanger
thermistor
When reassembling, make
sure to insert the thermistor
harness back into the slit.
1
2
Remove the connector
[S32].
Release the harnesses
from the slit.
3 Remove the connector
[S900].
[S900]: filter PCB
4 Unfasten the 5 hooks
and remove the control
PCB.
Slit
[S32]
(R22907)
[S900]
(R24137)
Hook
Hook
Control
PCB
(R23522)

Si041652EB PCBs
Removal Procedure 11
2. Remove the filter PCB. [FG], [HE]: earth/ground
terminal
1 Disconnect the
terminals [HE] and
[FG].
2 Disconnect the
connector [S100].
[S100]: terminal strip
3 Unfasten the 4 hooks
and remove the filter
PCB.
Step Procedure Points
[HE] [FG]
(R22910)
[S100]
(R22911)
Hook
Hook
(R23523)
Filter PCB
(R22913)

PCBs Si041652EB
12 Removal Procedure
3. Remove the
INTELLIGENT EYE
sensor PCB.
1 Release the harness of
the signal receiver unit
from the 3 hooks.
2 Unfasten the 2 hooks
and remove the signal
receiver unit.
When reassembling, make
sure to fit the bottom of the
signal receiver unit before
fastening the 2 hooks.
3 Release the harness on
the back of the signal
receiver unit from the 3
hooks.
Step Procedure Points
Signal receiver unit
Hook
(R22914)
Hook
Signal receiver
unit
(R22915)
Hook
(R22916)
Back view

Si041652EB PCBs
Removal Procedure 13
4 Unfasten the 4 hooks
and remove the
INTELLIGENT EYE
sensor ASSY.
5 Remove the motion
sensor from the shield
plate.
When reassembling the
motion sensor, make sure
you hear a clicking noise.
Otherwise, the sensor is not
completely set.
6
7
8
Unfasten the 2 hooks
and remove the shield
plate.
Disconnect the
connector [S36].
Remove the
INTELLIGENT EYE
sensor PCB.
[S36]: control PCB
4. Remove the display/
signal receiver PCB.
1 Unfasten the 3 hooks
on the back and
remove the display/
signal receiver PCB.
Step Procedure Points
INTELLIGENT EYE
sensor ASSY
Hook
Hook
(R24138)
Front view
(R24091)
Shield plateMotion sensor
(R18893)
Shield plate (rear)
Hook
INTELLIGENT EYE
sensor PCB
[S36]
Display/signal
receiver PCB
Hook
Hook
(R23524)
Back view

Drain Pan / Swing Motors Si041652EB
14 Removal Procedure
7. Drain Pan / Swing Motors
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 drain pan. Use a short screwdriver from
the back.
1 Lift up the indoor unit
slightly and remove the
screw on the back.
2 Disconnect the drain
hose.
Hold the indoor unit up with a
piece of wood.
Place a plastic sheet around
the drain pan to prevent
wetting the floor with
remaining drain.
If the drain hose is
embedded in the wall,
disconnect the drain hose
beforehand.
3 Remove the 4 screws.
(R22919)
Right view
Drain hose
(R22920)
(R22921)

Si041652EB Drain Pan / Swing Motors
Removal Procedure 15
4 Unfasten the 4 hooks
and remove the drain
pan.
When reassembling, make
sure that all the 4 hooks are
securely fastened.
2. Remove the swing motor
for vertical blades.
Some models do not have
the swing motor for vertical
blades.
1 Remove the filament
tape.
2 Remove the 2 screws.
3 Release the shaft of the
vertical blade from the
swing motor shaft with
a flat screwdriver and
remove the swing motor
ASSY.
Step Procedure Points
Drain pan
Hook
(R22922)
Filament tape
(R22923)
(R22924)
Back view
Swing motor
ASSY
Shaft
(R22925)

Drain Pan / Swing Motors Si041652EB
16 Removal Procedure
4 Release the harness
from the 3 hooks and
the groove.
When reassembling, make
sure to wrap the harness
around the hook (1)
counterclockwise.
5 Unfasten the 2 hooks. When reassembling, make
sure that the 2 hooks are
securely fastened.
6 Remove the 2 screws
and remove the swing
motor for vertical
blades.
3. Remove the swing motor
for horizontal blades.
1 Remove the screw.
Step Procedure Points
Groove Hook (1)
Hook
(R22926)
Hook
Hook (R22927)
Back view
Hook
(R22928)
Swing motor for vertical blade
(R22929)
(R22930)

Si041652EB Drain Pan / Swing Motors
Removal Procedure 17
2 Remove the swing
motor for horizontal
blades together with the
link shaft ASSY.
3 Remove the swing
motor for horizontal
blades from the link
shaft ASSY.
Step Procedure Points
Swing motor for horizontal blade
Link shaft ASSY
(R24092)
Link shaft ASSY (R23579)

Fan Guards / Vertical Blade ASSYs Si041652EB
18 Removal Procedure
8. Fan Guards / Vertical Blade ASSYs
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 fan guards. The fan guards are not
marked for difference
between right and left.
Some models do not have
fan guards.
1
2
3
Peel off the sealing
material.
Unfasten the 3 hooks at
the bottom and remove
the fan guard.
Remove the other fan
guards in the same
way.
When reassembling, fit the
fan guard to the 2
projections at the top, then
fasten the 3 hooks at the
bottom.
2. Remove the vertical blade
ASSYs (auto-swing
models).
It is necessary to unfasten all
15 hooks in order to remove
the center shaft.
1 Unfasten the 5 hooks
on each vertical blade
ASSY to remove the
center shaft.
2
3
4
Unfasten the 3 hooks at
the shaft mounting part
by pressing them with a
flat screwdriver.
Remove the vertical
blade ASSY.
Remove the other
vertical blade ASSYs in
the same way.
Each vertical blade ASSY
has 5 fins. It is not possible
to replace the fins
individually.
The vertical blade ASSY is
not marked for difference
between right, center and
left.
Fan guard
Hook Sealing material
(R22933)
Projection
(R22934)
Hook
Center shaft (R22935)
Hook
Vertical blade ASSY
(R22936)