Daikin FTK09NMVJU User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Wall Mounted Type
9000/12000 Btu/h Class
Si041552E

Service Manual
Removal Procedure
Indoor Unit
zCooling Only zHeat Pump
FTK09NMVJU FTX09NMVJU
FTK12NMVJU FTX12NMVJU
FTKN09NMVJU FTXN09NMVJU
FTKN12NMVJU FTXN12NMVJU

Si041552E
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 / Swing Motor ................................................................................9
6. Indoor Heat Exchanger .........................................................................12
7. Fan Rotor / Fan Motor...........................................................................14
8. Fan Guards / Vertical Blade ASSYs......................................................16
Note: The illustrations may be slightly different depending on the model.

Air Filters / Front Panel Si041552E
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.
The air filter can be set
easily by inserting it along
the guides.
Insert the air filter with the
“FRONT” mark faced up.
Be sure to insert the hooks
(at 2 lower positions) when
installing the air filter.
1
2
Open the front panel.
Unfasten the 2 hooks
and pull out the air filter
downward to remove it.
2. Remove the front panel. The rotary shaft on each
side can be released easily
by sliding each shaft inward.
1 Release the left and
right rotary shafts.
2 Remove the front panel. When reassembling the front
panel, fit the right and left
rotary shafts one by one into
the grooves and fully push
them in position.
Front panel
Hook Air filter
(R21852)
Left
(R21001)
Right
(R21853)
Front panel
(R21854)

Si041552E 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 and 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
(R21855)
Hook
(R21005)
(R12715)

Horizontal Blade Si041552E
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.
Installation procedure
(1) Since the key pattern hook is
provided, rotate the
horizontal blade and fit it to
the right shaft first.
(2) Fit the horizontal blade to the
center and left shafts.
2
3
Release the left shaft.
Release the right key
pattern hook.
4 Remove the horizontal
blade.
Horizontal blade
(R21827)
Shaft
(R21007)
Shaft
Left
(R21008)
Key pattern hook
Right
(R21009)
Horizontal blade (R21828)

Si041552E 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
remove the service
cover.
2
3
4
Remove the screw and
remove the wire fixture.
Remove the 4 screws
of the terminal board.
Loosen the conduit and
disconnect the
connecting wire.
2. Remove the electrical
box.
1 Remove the 2 screws
and detach the earth /
ground wires.
Service cover
(R21856)
Terminal board
Connecting
wire
Wire fixture
Conduit
(R21829)
Earth / ground
wire (green)
Earth / ground wire (yellow / green)
(R21830)

Electrical Box Si041552E
6Removal Procedure
2 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.
3 Release the earth /
ground wires and the
thermistor harness from
the front and the back
slits at the top of the
electrical box.
When reassembling, be sure
to insert the earth / ground
wires in the front slit and
yellow / green wire is above
the green wire and insert the
thermistor harness in the
back slit.
4 Unfasten the 4 hooks
and remove the
electrical box cover.
When reassembling, make
sure that the 4 hooks are
securely fastened.
Step Procedure Points
Indoor heat exchanger thermistor
(R21831)
Clip
(R11268)
Electrical box
Earth / ground wire Thermistor harness Slit
(R21832)
Front slit
Yellow / green
Green
Back slit
Thermistor
harness
(R21857)
Electrical box cover
Hook
(R21833)

Si041552E Electrical Box
Removal Procedure 7
5
6
Disconnect the
connector [S200].
Release the harnesses
from the 5 hooks.
[S200]: fan motor
7
8
Disconnect the
connector [S6].
Release the harnesses
from the 6 hooks.
[S6]: swing motor
9 Remove the screw of
the electrical box.
Step Procedure Points
[S200]
Hook Hook
(R21834)
Hook
[S6]
Hook
(R21835)
Electrical box
(R21836)

Electrical Box Si041552E
8Removal Procedure
10 Slightly lift the electrical
box upward and
remove it.
When reassembling, make
sure to catch the hook at the
front of the electronic box.
When reassembling, make
sure that the 2 hooks are
securely fastened to the
bottom frame.
Step Procedure Points
Hook
(R21837)
Hook
Bottom frame
(R21838)