Daikin FTKS50BVMA8 User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Wall Mounted Type
5.0 kW Class
7000/9000/12000 Btu/h Class
Si041253_A

Service Manual
Removal Procedure
Indoor Unit
zCooling Only zHeat Pump
FTKS50BVMA8 CTXS07JVJU
CTXS09HVJU
CTXS12HVJU

Si041253_A
Removal Procedure 1
Table of Contents
1. Air Filters .................................................................................................2
2. Front Panel..............................................................................................3
3. Front Grille ..............................................................................................4
4. Horizontal Blades ....................................................................................5
5. Vertical Blade ASSY ...............................................................................6
6. Electrical Box ..........................................................................................7
7. PCBs .......................................................................................................9
8. Swing Motors ........................................................................................11
9. Indoor Heat Exchanger .........................................................................12
10.Fan Rotor / Fan Motor...........................................................................14
Note: The illustrations may be slightly different depending on the model.

Air Filters Si041253_A
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 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.
1Open the front panel.
2Pull out the air filter.
2. Remove the Air purifying
filters with photocatalytic
deodorizing function.
1Remove the Air
purifying filter with
photocatalytic
deodorizing function
from the 5 hooks.
The right and left filters are
interchangeable.
Air filter (R17740)
Front panel
Hook
Hook
Air purifying filter
with photocatalytic
deodorizing function (R17918)

Si041253_A 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
1Open the front panel
over the position where
it stops.
When reassembling the front
panel, fit the right and left
rotary shafts one by one into
the grooves and fully push
them in position.
2Slide the left rotary
shaft to the right and
release it.
3Remove the right rotary
shaft in the same way.
(R17898)

Front Grille Si041253_A
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
1Remove the 2 screws
of the front grille.
2Unfasten the 3 hooks
on the top of the front
grille.
The convex marks (...) on
the front panel indicate the
position of the hooks.
3Pull out the upper part
of the front grille and lift
up the lower part, and
then remove the front
grille.
When reassembling, make
sure that the 3 hooks are
fastened.
(R2758)
Front grille
(R17741)
(1)
(2)
(R15467)

Si041253_A 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
1Open the horizontal
blades.
2Bend the horizontal
blade (lower) slightly
and release the left
shaft and the center
shaft.
3Slide the horizontal
blades (lower) the left
and release the right
shaft.
Installation procedure
1. Since the key pattern hook is
provided, rotate the blade
and fit it to the right shaft
first.
2. Fit the blade to the center
and left shafts.
4Remove the horizontal
blade (upper) in the
same way.
Horizontal blades
(R17899)
(R17900)
Left shaft
Center shaft
(R17901)
(R2766)
Right shaft

Vertical Blade ASSY Si041253_A
6Removal Procedure
5. Vertical Blade ASSY
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1Release the right and
left shafts.
Some models have fan
guards. Remove the fan
guards beforehand.
2Unfasten the 3 hooks
for each set of vertical
blade ASSY.
3Remove the vertical
blade ASSY.
(R17909)
Vertical blade ASSY
(R17917)
Hook
(R17910)

Si041253_A Electrical Box
Removal Procedure 7
6. Electrical Box
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step Procedure Points
1Remove the screw and
remove the drip proof
plate.
2Remove the screw of
the earth / ground wire.
Be careful not to lose the clip
for the thermistor.
Some models do not have a
wire fixture.
3Pull out the indoor heat
exchanger thermistor.
4
5
Remove the screw of
the wire fixture.
Remove the 4 screws
of the connecting wires.
6Disconnect the
connector [S1].
[S1]: fan motor
Drip proof plate
(R5346)
(R18514)
Earth / ground wire
Connecting
wire
Wire fixture
Indoor heat exchanger
thermistor
Clip
(R11234)
(R2774)
[S1]

Electrical Box Si041253_A
8Removal Procedure
7Disconnect the
connectors [S6] [S8].
[S6]: swing motor for horizontal
blade
[S8]: swing motor for vertical
blade
8Remove the screw of
the electrical box.
9Lift up the lower part of
the electrical box.
10 Release the upper hook
and remove the
electrical box.
Step Procedure Points
(R2775)
[S6]
[S8]
(R2776)
Electrical box
(R17742)
When reassembling, catch
the back hook of the
electrical box.