Daikin FTKD24HV2S User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter/Non-Inverter
Wall Mounted Type
5.0/6.0/7.1 kW Class
15000/18000/24000/28000 Btu/h Class
Si041144

Service Manual
Removal Procedure
Indoor Unit
Applicable Models
zCooling Only zHeat Pump
FTKD24HV2S FTXS15LVJU
FTXS18LVJU
FTKS24HV2S FTXS24LVJU
FTKS50LVMA FTXS50LVMA
FTKS60LVMA FTXS60LVMA
FTKS71LVMA FTXS71LVMA
FT24LV2S
FT28LV2S
FTE24NV2S
AT24KV2S
FT60JV1V
FT60MV16

Si041144
Removal Procedure 1
Table of Contents
1. Removal of Air Filters / Front Panel ........................................................2
2. Removal of Front Grille ...........................................................................5
3. Removal of Electrical Box .......................................................................7
4. Removal of PCBs..................................................................................11
5. Removal of Horizontal Blades / Swing Motors ......................................19
6. Removal of Indoor Heat Exchanger......................................................27
7. Removal of Fan Motor / Fan Rotor........................................................31
8. Removal of Vertical blade ASSY...........................................................34
Note: The illustrations may be slightly different depending on the model.

Removal of Air Filters / Front Panel Si041144
2Removal Procedure
1. Removal of Air Filters / 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
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.
Some models have no
INTELLIGENT EYE sensor/
lamp.
2. Remove the air filters.
The 2 filters are
interchangeable.
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
reassembling the air filter.
1Open the front panel to
the position where it
stops.
2Slightly push up the
center knob of the air
filter and unfasten the
hooks.
3Pull out the air filter
downward and remove
it.
(R16259)
ON/OFF
(R16682)
Operation lamp
TIMER lampSignal receiver
Room temperature thermistor[ON/OFF] button
INTELLIGENT
EYE sensor
INTELLIGENT
EYE lamp
Front Panel
(R16449)
(R16450)
Air filter Hook

Si041144 Removal of Air Filters / Front Panel
Removal Procedure 3
3. Remove the Titanium
apatite photocatalytic air-
purifying filters.
1Remove the Titanium
apatite photocatalytic
air-purifying filter ASSY
by unfastening the
projections from the
back of the air filter
frame.
The right and left filters are
interchangeable.
2Remove the Titanium
apatite photocatalytic
air-purifying filter from
its frame.
Step Procedure Points
(R16262)
Air filter
Titanium apatite photocatalytic
air-purifying filter ASSY
(R9478)
Frame
Titanium apatite photocatalytic
air-purifying filter

Removal of Air Filters / Front Panel Si041144
4Removal Procedure
4. Remove the front panel.
1While opening the front
panel further than it
stops, release both the
shafts.
Slide the front panel from
side to side to release each
shaft.
Align the right and left shafts
with grooves in turn and
insert them to the end when
reassembling.
2Remove the front panel.
Step Procedure Points
(R16456)
Front Panel
(R9480)
(R9481)
(R16451)

Si041144 Removal of Front Grille
Removal Procedure 5
2. 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.
1Remove the screw and
remove the service
cover.
You can remove the front
grille without detaching the
service cover.
2. Remove the front grille.
1Remove the 3 screws
of the front grille.
Refer to the removal
procedure in a reverse way
when reassembling.
2Remove the screw caps
with a flat screwdriver.
(R16452)
Service cover
(R16453)
(R16454)
Front grille
(R16266)

Removal of Front Grille Si041144
6Removal Procedure
3Remove the lower 3
screws.
4Unfasten the 3 hooks
on the top of the front
grille.
The convex marks (...) on
the front panel indicate the
position of the hooks.
5Pull the upper part of
the front grille out and
lift the lower part up,
and then remove the
front grille.
When reassembling, make
sure that all the 3 hooks are
fastened as they were.
Step Procedure Points
(R16267)
(R16511)
Hook
(R9487)
Hook
(R12715)
(R16269)

Si041144 Removal of Electrical Box
Removal Procedure 7
3. 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
1. Layout of the parts
Preparation
Remove the front grille
according to the “Removal of
Front Grille.”
2. Remove the drip proof
plate.
1Remove the screw.
2Remove the drip proof
plate from the indoor
heat exchanger.
When reassembling, fit the
hook to the indoor heat
exchanger.
123
(R16270)
123
(R16271)
Drip proof plate
(R16272)
(R16273)

Removal of Electrical Box Si041144
8Removal Procedure
3. Release the earth wire
and the indoor heat
exchanger thermistor.
1Cut the clamp.
2Pull out and release the
earth wire.
3Pull out the indoor heat
exchanger thermistor.
Be careful not to lose the clip
of the thermistor.
Step Procedure Points
(R16274)
(R16275)
(R16276)
Clip
(R11268)

Si041144 Removal of Electrical Box
Removal Procedure 9
4. Remove the electrical
box.
1Remove the 4 screws
and disconnect the
connection wires on the
terminal board.
Remove the screw and
remove the wire
retainer.
2Disconnect the
connector for the fan
motor [S1] and release
the harness from the
hook.
3Disconnect the
connector for the swing
motors [S41].
Step Procedure Points
123
(R16277)
Terminal board
Wire
retainer
123
(R16278)
[S1]
(R16279)
[S41]

Removal of Electrical Box Si041144
10 Removal Procedure
4Release the harness
from the hooks.
5Remove the screw of
the electrical box.
6Lift up the electrical box
from the bottom frame
and remove it.
Fit the back hook of the
electrical box to the bottom
frame when reassembling.
Step Procedure Points
(R16280)
123
(R16281)
Electrical box
(R16282)
(R9647)
Bottom frame
Hook

Si041144 Removal of PCBs
Removal Procedure 11
4. 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 signal
receiver PCB.
1Unfasten the hooks of
the shield plate.
Preparation
Remove the electrical box
according to the “Removal of
Electrical Box.”
2Open the shield plate. The shield plate has 2 hooks
at the lower part also.
3Remove the shield
plate.
(R9506)
Shield
plate
(R16283)
(R16498)
Hook
(R16284)

Removal of PCBs Si041144
12 Removal Procedure
4Remove the screw of
the terminal board.
5Remove the terminal
board.
(1 hook at the back)
6Cut the clamp.
Step Procedure Points
(R16285)
(R16286)
Terminal board
(R16499)
Clamp
Control PCB

Si041144 Removal of PCBs
Removal Procedure 13
7Release the harness
from the hook.
When reassembling, make
sure to hook the harness.
8Push and unfasten the
hook of the signal
receiver unit.
9Open the signal
receiver unit.
Unfasten the hook and
remove the signal
receiver unit.
Step Procedure Points
(R9514)
Hook
(R16512)
Hook
Signal
receiver
unit
(R16500)
Hook

Removal of PCBs Si041144
14 Removal Procedure
10 Unfasten the hook on
the right of the signal
receiver PCB.
(Then the signal
receiver PCB is lifted
up.)
11 Remove the signal
receiver PCB.
12 Disconnect the
connector.
[S48] : to control PCB
2. Remove the
INTELLIGENT EYE
sensor PCB.
Some models have no
INTELLIGENT EYE sensor
PCB.
1Unfasten the 2 hooks
on the right and then
the 2 hooks on the left.
Remove the
INTELLIGENT EYE
sensor ASSY.
Step Procedure Points
(R16513)
Signal receiver PCB
Signal receiver unit
(R16514)
(R9522)
[S48]
(R9523)
Hook
Hook
INTELLIGENT EYE
sensor ASSY

Si041144 Removal of PCBs
Removal Procedure 15
2Remove the sensor
from the shield plate.
When reassembling, set the
sensor at the position where
it “clicks”. Otherwise, the
sensor is not completely set.
3. Remove the display PCB.
1Unfasten the 4 hooks.
Step Procedure Points
(R9524)
(R9525)
Sensor Shield plate
(R9528)
Display PCB

Removal of PCBs Si041144
16 Removal Procedure
2Lift up the display PCB.
3Release the harness
from the hook.
4Disconnect the
connector.
[S49]: to control PCB
Step Procedure Points
(R9529)
(R9530)
Hook
(R9531)
[S49]
3P224121-1
PbF
S49
SW1
BZ
LED1
LED2
LED3
(R13520)
[S49]

Si041144 Removal of PCBs
Removal Procedure 17
4. Remove the control PCB.
1Unfasten the 3 hooks.
Lift up and remove the
control PCB.
2Pull out the earth wire
from the terminal board.
3Pull out the terminals
from the terminal board.
Step Procedure Points
(R9517)
Hook
Hook
Control PCB
(R17243)
Earth
wire
(R9519)
Terminal

Removal of PCBs Si041144
18 Removal Procedure
[S1] : DC fan motor
[S25] : INTELLIGENT EYE
sensor PCB
[S32] : indoor heat exchanger
thermistor
[S41] : swing motors
[S46] : display PCB
[S47] : signal receiver PCB
Some models have no
INTELLIGENT EYE sensor
PCB.
Step Procedure Points
S46
S41
S1
S32
Pattern 1
(R17655)
S47
(R17124)
[S1]
[S32]
[S41]
Pattern 2
[S46] [S25] [S47]