Daikin FTXS20K2V1B Manuel utilisateur

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Inverter

Wall Mounted Type

2.0/2.5 kW Class

Si041140

Service Manual

Removal Procedure

Indoor Unit

Applicable Models

zHeat Pump

FTXS20K2V1B

FTXS25K2V1B

Si041140

Removal Procedure 1

Table of Contents

1. Removal of Air Filters..............................................................................2

2. Removal of Horizontal Blade...................................................................4

3. Removal of Front Panel ..........................................................................6

4. Removal of Front Grille ...........................................................................7

5. Removal of Vertical Blade ASSYs ..........................................................8

6. Removal of Electrical Box .....................................................................10

7. Removal of Swing Motor / PCBs...........................................................13

8. Removal of Indoor Heat Exchanger......................................................18

9. Removal of Fan Rotor / Fan Motor........................................................21

10.Exchange of Piping Direction (Drain Hose)...........................................24

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

Removal of Air Filters Si041140

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 a signal from the

remote controller is

received, the receiving tone

sounds and the operation

lamp flickers 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 of the air filter to

unfasten the 2 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

mounting the air filter.

Room temperature thermistor

(R16654)

Signal receiver

(R16655)

Operation

lamp

TIMER

lamp

INTELLIGENT

EYE lamp

[ON/OFF] button

(Forced cooling operation [ON/OFF] button)

(R16656)

Front panel

Hook

(R16657)

Air filter

Si041140 Removal of Air Filters

Removal Procedure 3

3Pull out the air filter

downward and remove

it.

3. Remove the Titanium

apatite photocatalytic

air-purifying filters.

1The Titanium apatite

photocatalytic air-

purifying filter is

attached to the back of

the air filter.

2Remove the Titanium

apatite photocatalytic

air-purifying filter frame

by bending the air filter

and unfastening the

projections from the air

filter frame.

3Remove the Titanium

apatite photocatalytic

air-purifying filter from

its frame (at 5 positions)

by bending it.

To prevent the damage, do

not remove the Titanium

apatite photocatalytic air-

purifying filter from the frame

when cleaning it.

The Titanium apatite

photocatalytic air-purifying

filter is not marked for

difference between the right

and left sides.

Step Procedure Points

(R16658)

Air filter

(R8025)

Titanium apatite

photocatalytic

air-purifying filter

Projection

(R14599)

Hook

(R8027)

Removal of Horizontal Blade Si041140

4Removal Procedure

2. Removal of Horizontal Blade

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 horizontal

blade.

2Unfasten the center

shaft while bending the

horizontal blade

slightly.

The center shaft can be

released easily by bending

the blade.

Cautions for reassembling

1. Since the key pattern hook

is provided, rotate the

horizontal blade and fit it to

the right shaft first.

2. Fit the horizontal blade to

the center and left shafts.

3Unfasten the left shaft

of the horizontal blade.

4Unfasten the right shaft

of the horizontal blade.

(R16659)

Horizontal blade

(R16660)

(R16661)

Shaft

(R16662)

Key pattern hook

Left Right

Shaft

Si041140 Removal of Horizontal Blade

Removal Procedure 5

5Remove the horizontal

blade.

Step Procedure Points

(R16663)

Removal of Front Panel Si041140

6Removal Procedure

3. 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.

2Release the right rotary

shaft.

The rotary shaft on each

side can be released easily

by sliding each shaft inward.

3Release the left rotary

shaft.

4Remove 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 in position.

Left side

Front panel

Right side

(R16664)

Right

(R16665)

Rotary shaft

(R16666)

Left Rotary shaft

Rotary shaft

(R16667)

Si041140 Removal of Front Grille

Removal Procedure 7

4. 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 2 screws,

which fix the front grille

to the main body.

2The front grille has 3

hooks on the upper

part.

Refer to the removal

procedure in a reverse way

when reassembling.

3Press each hook, and

also lift the grille up to

unfasten the hooks.

4Pull the upper part of

the front grille out and

lift the lower part up,

and then remove the

front grille.

The convex marks (...) on

the front panel indicate the

position of the hooks.

When reassembling, make

sure that all the 3 hooks are

fastened as they were.

(R16668)

Front grille

(R16669)

Hook

Left Center Right

(R16670)

(R16671)

Left Center Right

(R12715)

Removal of Vertical Blade ASSYs Si041140

8Removal Procedure

5. Removal of Vertical Blade ASSYs

Procedure Warning Be sure to wait for 10 minutes or more after turning off all power

supplies before disassembling work.

Step Procedure Points

1Unfasten the right and

left hooks of the fan

guard with pliers.

Narrow the edges of the

hook to unfasten it.

2Unfasten the 4 hooks at

the bottom. Remove the

fan guard.

Repeat the same procedure

to remove the fan guard on

the other side.

3Unfasten the hooks at

the upper 2 positions.

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

Fan guard

Hook

(R14608)

(R11646)

Hook

(R11647)

Hook

(R8020)

Vertical blade ASSY

(R8021)

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