Daikin FTKS50D2V1W, FTKS50D2V1L, FTXD25FV2C, FTXD35FV2C, FTXD25FV2CA Service Manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Inverter / Non-Inverter

Wall Mounted Type

2.5/3.5/5.0 kW Class
9000/13000 Btu/h Class

Si04-751

Service Manual
Removal Procedure

Indoor Unit

zCooling Only zHeat Pump

AT09HV2S
AT13HV2S

FT09GV2S
FT13GV2S

FT25DVM
FT35DVM

FTKS50D2V1W
FTKS50D2V1L

FTXD25FV2C
FTXD35FV2C
FTXD25FV2CA
FTXD35FV2CA
FTXD25FV2CG
FTXD35FV2CG
FTXD25FV2CN
FTXD35FV2CN
FTXD25FV2CP
FTXD35FV2CP
FTXD25FV2CW
FTXD35FV2CW

FTXS25FV2CW
FTXS35FV2CW

FTXS50D2V1W
FTXS50D2V1L

Si04-751

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......................................7

5. Removal of Electrical Box .....................................................................10

6. Removal of PCBs..................................................................................13

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 Si04-751

2 Removal 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 feature

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 filter.

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
reassembling the air filter.

Signal receiver

Operation lamp
TIMER lamp

(R4306)

(R4305)

[ON/OFF] button

Room temperature
thermistor

INTELLIGENT EYE
sensor

INTELLIGENT EYE
lamp

(R4307)

Front panel

(R4308)

Air filter

Si04-751 Removal of Air Filters

Removal Procedure 3

3. Remove the Titanium
apatite photocatalytic air­purifying filters.



Some models have no
Titanium apatite
photocatalytic air-purifying
filter.



The right and left filters are
interchangeable.

1

The Titanium apatite
photocatalytic air­purifying filter ASSY is
attached to the back of
the air filter.

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

(R16029)

(R13174)

Removal of Front Panel Si04-751

4 Removal 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

1. Remove the front panel.

1

Open the panel over
the position where it
stops.

2

Slide the left rotary
shaft to the right and
release it.

3

Slide the right rotary
shaft to the left and
release it.

4

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 into position.

Rotary shaft

Rotary shaft

(R4312)

(R4313)

(R4315)

Front panel

(R17126)

Si04-751 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.

1

Remove the screw of
the service cover.

Preparation



Remove the front panel
according to the “Removal
of Front Panel.”

2

Remove the service
cover.



You can remove the front
grille without detaching the
service cover.

2. Remove the front grille.

1

Open the horizontal
blades.

2

Remove the 2 screw
covers.

(R4317)

(R4318)

Service cover

(R4320)

Horizontal blade

(R4321)

Screw cover

Removal of Front Grille Si04-751

6 Removal Procedure

3

4

Remove the 2 screws.

Unfasten the 3 hooks at
the top.



When reassembling 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.

5

Pull 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.



When reassembling, be
sure not to get it stuck on
the spacer of the drain pan.

Step Procedure Points

H

ook

(R4322)

(R16030)

(R12715)

(R4327)

(R17043)

Spacer

Front grille

Spacer

Section View

(R4590)

Si04-751 Removal of Horizontal Blades / Vertical Blades

Removal Procedure 7

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.



When reassembling, 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
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.

Horizontal blade (small)

Horizontal blade (large)

(R11233)

(R4329)

(R4330)

Key alignment

(R4331)

Removal of Horizontal Blades / Vertical Blades Si04-751

8 Removal Procedure

Step Procedure Points

2. Remove the horizontal
blade (small).

1

2

3

Unfasten the center
shaft while bending the
horizontal blade (small)
slightly.

Unfasten the left shaft.

Unfasten 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.

Horizontal blade (small)

(R4332)

(R12716)

Key alignment

(R4334)

Si04-751 Removal of Horizontal Blades / Vertical Blades

Removal Procedure 9

Step Procedure Points

3. Remove the vertical blade
ASSY.

1

2

Unfasten the 3 hooks at
the shaft mounting part
by pressing them with a
flat screwdriver.

Unfasten the hooks at
the upper 2 positions.

3

Remove 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.

Hook

(R4335)

(R4336)

Hook

(R12546)

Vertical blade ASSY