Daikin FTY25GXV1 User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Non-Inverter

Wall Mounted Type

2.5/3.5 kW Class

Si04-859

Service Manual

Removal Procedure

Indoor Unit

zHeat Pump

FTY25GXV1

FTY35GXV1

FTYN25GXV1B

FTYN35GXV1B

Si04-859

Removal Procedure 1

Table of Contents

1. Removal of Air Filter................................................................................2

2. Removal of Front Panel ..........................................................................4

3. Removal of Front Grille ...........................................................................5

4. Removal of Horizontal / Vertical Blades and Safety Net .........................7

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

6. Removal of PCB / Swing Motor.............................................................14

7. Removal of Heat Exchanger .................................................................18

8. Removal of Fan Rotor ...........................................................................21

9. Exchange of Drain Hose .......................................................................24

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

Removal of Air Filter Si04-859

2Removal Procedure

1. Removal of Air Filter

Procedure Warning Be sure to wait 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 a signal from the

remote controller is

received, the receiving tone

sounds and the operation

lamp flickers immediately to

confirm the signal reception.

2. Removing the air filter

1Put your fingers on the

right and left projections

of the front panel, and

open the panel to the

position where it will

stop.

2Slightly push up the

knob at the center of

the air filter.

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”-marked face up.

Be sure to insert the hooks

(at 2 lower positions) when

mounting the air filter.

Room temperature thermistor

(R8566)

Signal receiver

(R8567)

Operation

lamp

TIMER

lamp

ON/OFF switch

(Test run switch)

(

R8568

)

Hooks (R8569)

Si04-859 Removal of Air Filter

Removal Procedure 3

3Pull out the air filter

downwards and remove

it.

3. Removing the air purifying

filter

1The air purifying filter is

attached to the back of

the air filter.

2Remove the air

purifying filter frame by

bending the air filter

and unfastening the

projections from the air

filter frame.

3Remove the air

purifying filter from its

frame (at 5 positions)

by bending it.

To prevent the damage, do

not remove the flame when

cleaning the filter.

The shape of filter varies

depending on the model.

The air-purifying filter is not

marked for difference

between the right and left

sides.

Step Procedure Points

(R8570)

Air filter

(R8636)

Air purifying

filter

Projections

(R8026)

Hook

(R8027)

Removal of Front Panel Si04-859

4Removal Procedure

2. Removal of Front Panel

Procedure Warning Be sure to wait 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 will stop.

Preparation

Remove the air filter

according to the “Removal

of Air Filter”.

2Slide the right rotary

shaft to the left and

release it.

The rotary shaft on the each

side can be removed easily

by sliding each shaft

inwards.

3Slide the left rotary

shaft to the right and

release it.

4Remove the front panel. Caution on Mounting

When mounting the front

panel, fit the right and left

rotary shafts one by one into

the grooves and fully push

them in position.

Left side

Right side

(R8571)

Right side Rotary shaft

(R8572)

Left side Rotary shaft

(R8029)

(R8573)

Si04-859 Removal of Front Grille

Removal Procedure 5

3. Removal of Front Grille

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

supplies before disassembling work.

Step Procedure Points

1. Removing the service

cover

1Remove the screw of

the service cover.

Preparation

Remove the front panel

according to the “Removal

of Front Panel”.

No field setting switch is

inside it.

You can remove the front

grille without detaching the

service cover.

2Pull out the service

cover diagonally down

in the direction of the

arrow.

2. Removing the front grille

1Remove the 2 screws,

in the right and the left,

which fix the main body

with the front grille.

2Undo the 3 hooks on

the top of the front

grille.

The front grille has 3

hooks on the center

and the both sides of

the upper part.

Refer to the removal

procedure in a reverse way

when reassembling.

(R8574)

(R8575)

Service cover

(R8576)

(R8577)

Hooks

Removal of Front Grille Si04-859

6Removal Procedure

3Press each hook, and

also lift the grille up to

unfasten the hooks.

4Pull the upper part of

the front grille towards

yourself.

5Lift the lower part up,

and then remove the

front grille.

Caution on Mounting

When mounting the front

grille, make sure that the

hooks are fastened as they

were.

Step Procedure Points

Left Center Right

(R8030)

(R8578)

Left Center

Front grille

Right

(R8579)

Si04-859 Removal of Horizontal / Vertical Blades and Safety Net

Removal Procedure 7

4. Removal of Horizontal / Vertical Blades and Safety

Net

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

supplies before disassembling work.

Step Procedure Points

1. Removing the horizontal

blade (large)

1Open the horizontal

blade.

2Unfasten the center

fixing shaft while

bending the horizontal

blade slightly.

Cautions on Mounting

The center fixing shaft can

be removed easily by

bending the blade.

Cautions on Mounting

1. Since key pattern hook is

provided, rotate the blades

and fit it to the right pivot

first.

2. Fit the blades to the center

and left pivots.

3Unfasten the left fixing

shaft of the horizontal

blade.

4Unfasten the right fixing

shaft of the horizontal

blade.

(R8580)

Horizontal blade

(R8581)

(R7993)

(R7995)

Key

Left Right

Removal of Horizontal / Vertical Blades and Safety Net Si04-859

8Removal Procedure

5Remove the horizontal

blade.

2. Removing the safety net

1Unfasten the hooks at

the lower part with a flat

screwdriver.

2Unfasten the hooks at

the upper 2 positions.

3Remove the safety net

toward yourself.

Repeat the same procedure

to remove the safety net on

the other side.

Step Procedure Points

(R8582)

(R8583)

(R8584)

(R8585)

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