Daikin FTKS40JVLT User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Wall Mounted Type
4.0/5.0/6.0/7.1 kW Class
Si041056

Service Manual
Removal Procedure
Indoor Unit
zCooling Only zHeat Pump
FTKS40JVLT FTXS40JVLT
FTKS50KVMA FTXS50KVMA
FTKS60KVMA FTXS60KVMA
FTKS71KVMA FTXS71KVMA
FTXS60GV1B FTXS60GV1B
FTXS71GV1B FTXS71GV1B

Si041056
Removal Procedure 1
Table of Contents
1. Removal of Air Filters / Front Panel ........................................................2
2. Removal of Front Grille ...........................................................................5
3. Removal of Horizontal Blades / Vertical Blades......................................6
4. Removal of Electrical Box / PCBs / Swing Motors ..................................8
5. Removal of Indoor Heat Exchanger......................................................15
6. Removal of Fan Motor / Fan Rotor........................................................18
Note: The illustrations may be slightly different depending on the model.

Removal of Air Filters / Front Panel Si041056
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.
2. Remove the air filters.
1Open the front panel to
the position where it
stops.
2
3
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
reassembling the air filter.
(R11320)
ON/OFF
INVERTER
INTELLIGENT EYE
lamp
TIMER lamp Operation lamp
Signal
receiver
INTELLIGENT EYE
sensor (R11321)
Room temperature
thermistor
[ON/OFF] button
Front panel
(R11322)
Air filter
Hook
(R11323)

Si041056 Removal of Air Filters / Front Panel
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.
2Remove the Titanium
apatite photocatalytic
air-purifying filter ASSY
by bending the air filter
and releasing the
projections from the air
filter frame.
3Unfasten the 5 hooks
and remove the
Titanium apatite
photocatalytic air-
purifying filter from its
frame.
Step Procedure Points
Air filter
(R11324)
Titanium apatite photocatalytic
air-purifying filter ASSY
Projection
(R13510)
(R11326)
Titanium apatite photocatalytic
air-purifying filter

Removal of Air Filters / Front Panel Si041056
4Removal Procedure
4. Remove the front panel.
1While opening the front
panel further than it
stops, release both the
shafts and remove the
front panel.
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.
Step Procedure Points
(R11327)
(R11328)
(R11329)

Si041056 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
1Remove the 3 screws
of the front grille.
Refer to the removal
procedure in a reverse way
when reassembling.
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 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.
(R11330)
Front grille
Hook
(R13511)
Hook
(R11332)
(R11333)
(R12715)
(R11334)

Removal of Horizontal Blades / Vertical Blades Si041056
6Removal Procedure
3. 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
blades.
1Open the horizontal
blades.
2Release the left shaft of
the horizontal blade
(large).
3Release 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.
4Release the center
shaft.
Remove the horizontal
blade (large).
5Remove the horizontal
blade (small) in the
same way.
Horizontal blade (small)
Horizontal blade (large)
(R11335)
Left shaft
(R11336)
Right shaft
(R11337)
Center shaft
(R2765)

Si041056 Removal of Horizontal Blades / Vertical Blades
Removal Procedure 7
2. Remove the vertical blade
ASSYs.
The unit has 3 vertical blade
ASSYs linked to one another
with the interlock rods.
1Release the right and
left shafts.
2Unfasten the 3 hooks
for each vertical blade
ASSY.
3Pull the vertical blade
ASSYs rightward and
remove them.
Step Procedure Points
Vertical blade ASSY
(R13512)
Hook
(R13513)
(R11339)

Removal of Electrical Box / PCBs / Swing Motors Si041056
8Removal Procedure
4. Removal of Electrical Box / PCBs / Swing Motors
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 electrical
box.
1Remove the screw and
remove the service
cover.
2Remove the screw and
remove the drip proof
plate.
3Pull out the indoor heat
exchanger thermistor.
Be careful not to lose the clip
of the thermistor.
4Remove the screw of
the earth wire.
5Remove the 4 screws
of the connection wires.
6Remove the screw of
the wire retainer.
Service cover (R13574)
(R13575)
Drip proof
plate
(R11343)
Indoor heat exchanger thermistor
Earth wire
Connection
wire
Wire
retainer
(R17633)
Clip
(R11268)