Daikin FTE09MV2S User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Non-Inverter
Wall Mounted Type
9000/12000 Btu/h Class
Si041138

Service Manual
Removal Procedure
Indoor Unit
Applicable Models
zCooling Only
FTE09MV2S
FTE12MV2S

Si041138
Removal Procedure 1
Table of Contents
1. Removal of Air Filters..............................................................................2
2. Removal of Front Panel ..........................................................................4
3. Removal of Front Grille ...........................................................................5
4. Removal of Horizontal Blades / Vertical Blades......................................8
5. Removal of Electrical Box .....................................................................11
6. Removal of PCBs..................................................................................14
7. Removal of Drain Pan Unit / Swing Motor.............................................19
8. Removal of Fan Motor...........................................................................23
9. Removal of Indoor Heat Exchanger......................................................25
10.Removal of Fan Rotor ...........................................................................28
Note: The illustrations may be slightly different depending on the model.

Removal of Air Filters Si041138
2Removal Procedure
1. Removal of Air Filters
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Appearance features
Warning
Dangerous: High voltage
A high voltage is applied to all
the electric circuits of this
product including
thermistors.
When the signal receiver
catches a signal from the
remote controller, the
receiving tone sounds and
the operation lamp blinks
immediately to confirm the
signal reception.
When the [ON/OFF] button
is kept pressed for 5
seconds, the forced cooling
operation is performed for
about 15 minutes.
2. Remove the air filters.
1
2
3
Open the front panel to
the position where it
stops.
Slightly push up the
center knob of the air
filter and unfasten the
hooks.
Pull out the air filter
downward and remove
it.
The air filter is not marked
for difference between the
right and left sides.
Insert the air filter with the
"FRONT" mark faced up.
The air filter can be set
easily by inserting it along
the guides.
Be sure to insert the hooks
(at 2 lower positions) when
mounting the air filter.
(R12544)
(R15463)
[ON/OFF] button
Operation lamp
TIMER lamp
Signal receiver
Room temperature
thermistor
(R4846)
Front panel
(R4847)
Air filter

Si041138 Removal of Air Filters
Removal Procedure 3
3. Remove the Titanium
apatite photocatalytic air-
purifying filters.
1The Titanium apatite
photocatalytic air-
purifying filter ASSY is
attached to the back of
the air filter.
The right and left filters are
interchangeable.
2
3
Remove the Titanium
apatite photocatalytic
air-purifying filter ASSY
by bending the air filter
and releasing the
projections from the air
filter frame.
Remove the Titanium
apatite photocatalytic
air-purifying filter from
its frame (at 5 positions)
by bending it.
Step Procedure Points
Air filter
(R4309)
Titanium apatite
photocatalytic
air-purifying filter
ASSY
Projection
(R4310)
(R13174)

Removal of Front Panel Si041138
4Removal Procedure
2. Removal of Front Panel
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1Open the front panel
over the position where
it stops.
2Slide the left rotary
shaft to the right and
release it.
3
4
Slide the right rotary
shaft to the left and
release it.
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.
(R4849)
Rotary shaft
Rotary shaft
(R4313)
(R4315)
Front panel
(R4850)

Si041138 Removal of Front Grille
Removal Procedure 5
3. Removal of Front Grille
Procedure 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 service
cover.
Preparation
Remove the front panel
according to the “Removal of
Front Panel.”
1Remove the screw of
the service cover.
2
3
Pull out the service
cover diagonally down
in the direction of the
arrow.
The figure shows the
inside.
You can remove the front
grille without detaching the
service cover.
2. Remove the front grille.
1Open the horizontal
blades.
(R4851)
Service cover
(R4852)
(R4853)
(R4854)
Horizontal blade

Removal of Front Grille Si041138
6Removal Procedure
2
3
4
5
Remove the screw
covers. (right and left)
Remove the 2 screws.
(right and left)
The front grille has 3
hooks at the top.
Unfasten the left hook.
When mounting the indoor
unit, drive the screws with
the horizontal blades open or
removed.
The convex marks (...) on
the front panel indicate the
position of the hooks.
Step Procedure Points
Hook
(R4321)
(R12769)
(R4324)
Screw cover
(R4855)
Front grille (R12715)

Si041138 Removal of Front Grille
Removal Procedure 7
6
7
8
Unfasten the center
hook.
Unfasten the right hook.
Pull the upper part of
the front grille out and
lift the lower part up,
and then remove the
front grille.
When reassembling the front
grille, make sure that the 3
hooks are fastened as they
were.
When reassembling the front
grille, be sure not to get it
stuck on the spacer of the
drain pan.
Step Procedure Points
(R4325)
(R4326)
(R12545)
Spacer
(R4856)
Front grille
Spacer
Section View
(R4590)

Removal of Horizontal Blades / Vertical Blades Si041138
8Removal Procedure
4. Removal of Horizontal Blades / Vertical Blades
Procedure 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 horizontal
blade (large).
1
2
3
4
Open the horizontal
blade (large).
Unfasten the center
shaft while bending the
horizontal blade (large)
slightly.
Unfasten the left shaft.
Unfasten the right shaft.
Mount the large horizontal
blade to the upper position
and the small horizontal
blade to the lower position.
Do not put them in the wrong
place.
There is a key alignment at
the right shaft. When
mounting, insert the right
shaft first while turning.
After inserting the right shaft,
mount the horizontal blade to
the center shaft and then to
the left shaft.
(R4857)
Horizontal blade (large)
Horizontal blade (small)
(R4329)
(R4330)
Key alignment
(R12734)

Si041138 Removal of Horizontal Blades / Vertical Blades
Removal Procedure 9
2. Remove the horizontal
blade (small).
1Unfasten the center
shaft while bending the
horizontal blade (small)
slightly.
2Unfasten the left shaft.
3Unfasten the right shaft.
There is a key alignment at
the right shaft. When
reassembling, insert the right
shaft first while turning.
After inserting the right shaft,
mount the horizontal blade to
the center shaft and then to
the left shaft.
Step Procedure Points
(R4859)
Horizontal blade (small)
(R4330)
Key alignment
(R15361)

Removal of Horizontal Blades / Vertical Blades Si041138
10 Removal Procedure
3. Remove the vertical blade
ASSY.
1Unfasten the 3 hooks at
the shaft mounting part
by pressing them with a
flat screwdriver.
2Unfasten the hooks at
the upper 2 positions.
3Remove the vertical
blade ASSY.
A vertical blade ASSY has 6
fins. It is impossible to
replace only one fin.
The vertical blade ASSY is
not marked for difference
between right and left.
Step Procedure Points
Hook
(R4862)
Hook
(R4863)
(R12546)
Vertical blade ASSY

Si041138 Removal of Electrical Box
Removal Procedure 11
5. Removal of Electrical Box
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1The figure shows the
connections of wire
harnesses.
Preparation
Remove the front grille
according to the “Removal of
Front Grille.”
2Remove the screw of
the wire fixture.
3Remove the 4 screws
of the terminal board
and disconnect the
connecting wires.
4Disconnect the
connector for the swing
motor [S6].
Put any excess wires behind
the power supply lead wire.
Drip proof
plate
Electrical box
(R12717)
Wire
fixture
(R12718)
Terminal
board
(R12719)
(R12720)
[S6]

Removal of Electrical Box Si041138
12 Removal Procedure
5Disconnect the
connector for the fan
motor [S7].
6Remove the screw and
remove the drip proof
plate.
7Pull out the indoor heat
exchanger thermistor.
Be careful not to lose the clip
for the thermistor.
8Remove the screw and
detach the earth wire.
Step Procedure Points
(R11470)
[S7]
Drip proof plate
(R12721)
Indoor heat
exchanger
thermistor
(R12722)
Clip
(R11234)
Earth wire
(R4345)

Si041138 Removal of Electrical Box
Removal Procedure 13
9Remove the screw of
the electrical box.
10 Lift up and pull the
electrical box.
11 Unfasten the hook at
the upper far side by
pressing it from above.
There is a hook also at the
lower part of the back. When
reassembling the electrical
box, make sure that it is
securely fastened.
12 Disconnect the
connector for the fan
motor [S1] and remove
the electrical box.
Step Procedure Points
Electrical box
(R12735)
(R4348)
Hook
(R4347)
[S1]
(R4349)

Removal of PCBs Si041138
14 Removal Procedure
6. Removal of PCBs
Procedure 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 shield plate.
1
2
3
The figure shows the
appearance of the
electrical box.
Open the shield plate.
Push the upper center
of the shield plate and
unfasten the 2 hooks.
Remove the shield
plate.
Preparation
Remove the electrical box
according to the “Removal of
Electrical Box.”
2. Release the indoor heat
exchanger thermistor.
1Release the indoor heat
exchanger thermistor
and the earth wire from
the hooks.
(R12736)
Signal receiver unit
Shield plate
Hook
(R13208)
Hook
Hook
(R4352)
Earth wire
Clamp
(R4353)
Indoor heat
exchanger
thermistor

Si041138 Removal of PCBs
Removal Procedure 15
3. Remove the terminal
board.
1Remove the screw and
remove the terminal
board.
4. Remove the signal
receiver unit.
1
2
Unfasten the 3 hooks
and remove the signal
receiver unit.
Unfasten the 2 hooks.
Step Procedure Points
(R12726)
Terminal board
Signal receiver unit
Hook
Hook
(R12724)
(R12725)
Hook
(R12833)
Hook

Removal of PCBs Si041138
16 Removal Procedure
3
4
5
Slide the electrical box
cover to the left and
remove it.
Disconnect the wire
harnesses.
Disconnect the thermal
fuse connector [S5]
after cutting off the
clamp.
5. Remove the signal
receiver PCB.
1Unfasten the 3 hooks
and remove the signal
receiver PCB.
Step Procedure Points
Electrical
box cover
Hook
Hook
(R4358)
(R4359)
[S5]
(R13165)
(R13166)
Signal receiver PCB
Hook Hook
Hook

Si041138 Removal of PCBs
Removal Procedure 17
2Disconnect the
connector [S29] from
the signal receiver
PCB.
6. Remove the display PCB. The display PCB is located
at the back of the signal
receiver unit.
1The figure shows the
connection of wire
harness for the display
PCB.
2Unfasten the 3 hooks
and remove the display
PCB.
3Disconnect the
connector [S26] from
the display PCB.
Step Procedure Points
(R13170)
[S29]
Display PCB
(R13167)
Hook
(R13168)
Green
LED 1 Yellow
LED 2
(R13169)
[S26]

Removal of PCBs Si041138
18 Removal Procedure
7. Remove the control PCB.
1Release the 2 lower
hooks.
2Lift up the bottom of the
control PCB and pull it
out.
When reassembling the
control PCB, make sure that
it is fixed by 2 upper hooks.
3The figures show the
names of the PCB
component parts.
[S1]: AC fan motor
[S5]: thermal fuse
[S6]: swing motor
[S7]: AC fan motor (Hall IC)
[S27]: display PCB
[S32]: indoor heat exchanger
thermistor
[S26]: control PCB
[S28]: signal receiver PCB
[S29]: display PCB
+LED3 is not mounted.
Step Procedure Points
Control
PCB
Hook Hook
(R13171)
Hook
Hook
(R13172)
[S7]
[S6]
[S27][S32][S5]
[S1]
(R12699)
[S26]
[S28]
(R12737)
[S29]