Daikin FTKS20KVLT User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Inverter

Wall Mounted Type

2.0/2.5/3.0/3.5/4.2/4.6/5.0 kW Class

Si041049

Service Manual

Removal Procedure

Indoor Unit

zCooling Only zHeat Pump

FTKS20KVLT FTXS20KVLT

FTKS25KVLT FTXS25KVLT

FTKS30KVLT FTXS30KVLT

FTKS25KVMA FTXS25KVMA

FTKS35KVMA FTXS35KVMA

FTXS46KVMA

FTXS20G2V1B

FTXS25G2V1B FTXL20G2V1B

FTXS35G2V1B FTXL25G2V1B

FTXS42G2V1B FTXL35G2V1B

FTXS50G2V1B

FTXG25JV2CW

FTXS20J2V1B FTXG35JV2CW

FTXS25J2V1B FTXG50JV2CW

FTXS35J2V1B FTXG50JV2C

FTXS42J2V1B

FTXS50J2V1B FTXS20G2V1B

FTXS25G2V1B

FTXS35G2V1B

FTXS42G2V1B

FTXS50G2V1B

FTXS20J2V1B

FTXS25J2V1B

FTXS35J2V1B

FTXS42J2V1B

FTXS50J2V1B

ATXS20G2V1B

ATXS25G2V1B

ATXS35G2V1B

ATXS42G2V1B

ATXS50G2V1B

Si041049

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 .....................................................................11

6. Removal of PCBs (Pattern 1)................................................................14

7. Removal of PCBs (Pattern 2)................................................................20

8. Removal of Swing Motors (Pattern 1) ...................................................24

9. Removal of Swing Motors (Pattern 2) ...................................................28

10.Removal of Indoor Heat Exchanger ......................................................31

11.Removal of Fan Motor...........................................................................34

Note: The illustrations may be slightly different depending on the model.

Removal of Air Filters Si041049

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.

1Open the front panel to

the position where it

stops.

2Slightly push up the

center knob of the air

filter and release the

hooks.

The air filter is not marked

for difference between the

right and left sides.

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.

3Pull out the air filter

downward and remove

it.

(R7900)

(R7901)

Signal receiver

Operation lamp

TIMER lamp

[ON/OFF] button Room temperature thermistor

INTELLIGENT

EYE sensor

INTELLIGENT

EYE lamp

(R7902)

Front panel

(R7903)

Air filter

Si041049 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.

2Remove the Titanium

apatite photocatalytic

air-purifying filter ASSY

by unfastening the

projections from the

back of the air filter

frame.

3Unfasten the 5 hooks

and remove the

Titanium apatite

photocatalytic air-

purifying filter from its

frame.

Step Procedure Points

(R7904)

Air filter

Titanium apatite

photocatalytic

air-purifying filter ASSY

(R13487)

Projection

(R13174)

Removal of Front Panel Si041049

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.

When reassembling the front

panel, fit the right and left

rotary shafts one by one into

the grooves and fully push

them into position.

3Slide the right rotary

shaft to the left and

release it.

4Remove the front

panel.

(R7906)

Front panel

(R7907)

Rotary shaft

(R7909)

Rotary shaft

(R7910)

Si041049 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.

2Pull out the service

cover diagonally down

in the direction of the

arrow.

3The figure shows the

inside.

(R7911)

Service cover

(R13488)

(R13489)

Removal of Front Grille Si041049

6Removal Procedure

2. Remove the front grille.

1Remove the 2 screws.

2Unfasten the 3 hooks at

the top.

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.

Step Procedure Points

(R13490)

(R13491)

Hook

(R12715)

(R12268)

Si041049 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).

1Open the horizontal

blade (large).

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.

2Unfasten the center

shaft while bending the

horizontal blade (large)

slightly.

3Unfasten the left shaft.

4Unfasten 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,

first mount the horizontal

blade to the center shaft and

then to the left shaft.

(R7921)

Horizontal blade (large)

Horizontal blade (small)

(R13175)

(R13073)

(R13492)

Key alignment

Removal of Horizontal Blades / Vertical Blades Si041049

8Removal Procedure

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,

first mount the horizontal

blade to the center shaft,

and then to the left shaft.

3. Remove the fan guard. Some models have no fan

guard.

1Unfasten the hooks at

the lower part of the fan

guard with a flat

screwdriver.

Step Procedure Points

(R13493)

Horizontal blade (small)

(R13494)

(R13495)

Key alignment

(R13751)

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