Daikin FTXR28EV1B9 Manual de usuario

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Inverter

Wall Mounted Type

2.8/4.2/5.0 kW Class

Si041260

Service Manual

Removal Procedure

Indoor Unit

zHeat Pump

FTXR28EV1B9

FTXR42EV1B9

FTXR50EV1B9

Si041260

Removal Procedure 1

Table of Contents

1. Air Filters / Panels ...................................................................................2

2. Front Grille ..............................................................................................7

3. Front Panel Mechanism Assembly..........................................................9

4. Reduction Motor ...................................................................................10

5. Electrical Box ........................................................................................12

6. PCBs .....................................................................................................15

7. Dehumidifying Solenoid Valve Coils .....................................................18

8. Connecting Duct....................................................................................19

9. Drain Hose ............................................................................................20

10.Swing Motors ........................................................................................22

11.Indoor Heat Exchanger .........................................................................24

12.Fan Rotor / Fan Motor...........................................................................26

13.Horizontal Blades / Vertical Blades .......................................................28

14.Streamer Unit ........................................................................................30

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

Air Filters / Panels Si041260

2Removal Procedure

1. Air Filters / Panels

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 air filters.

1Open the front panel.

2Keep the front panel

open with the support

plate.

3Push the air filter up.

4Pull the air filter

downward and remove

it.

The shapes of the right and

left filters are different.

Insert the filters along the

guide for easy installation.

(R18485)

Front panel

Support point

Support

plate

(R5624)

Hook

(R5625)

(R18548)

Air filter

(R5628)

Si041260 Air Filters / Panels

Removal Procedure 3

2. Remove the deodorizing

filter for streamer.

1Pull the center knob to

unfasten the hook.

2Pull out the deodorizing

filter for streamer.

3Slide the filter and

remove it.

When cleaning, keep the

filter with the frame to

prevent breakage.

3. Remove the electrode unit.

1Pull down the electrode

unit with holding the

knob.

Step Procedure Points

(R5629)

(R13946)

Deodorizing filter

for streamer

Hook

(R14114)

Electrode unit

(R13947)

Air Filters / Panels Si041260

4Removal Procedure

4. Remove the Titanium

apatite photocatalytic air-

purifying filter.

Insert the filter along the

guide for easy installation.

1Release the projection

of the frame of

Titanium apatite

photocatalytic air-

purifying filter and

remove it.

2Remove the Titanium

apatite photocatalytic

air purifying filter.

5. Remove the air supply

filter.

Insert the filter along the

guide for easy installation.

Install the air supply filter

correctly so that the front

mark comes front.

Humidifying operation

without installing the air

supply filter may form

condensation inside the

front panel and it causes

water leakage.

There are 4 hooks for the air

supply filter.

1Lift the air supply filter

up and take it out.

2Unfasten the 2 hooks

to open the frame and

remove the air supply

filter.

Step Procedure Points

(R18486)

Titanium apatite photocatalytic

air-purifying filter

Guide

Hook

(R14115)

(R13949)

Air supply filter

(R18549)

Hook

Si041260 Air Filters / Panels

Removal Procedure 5

6. Remove the front panel.

1Open the front panel

over the stopping

position.

Push the panel

stoppers outward on

both sides to detach

the rotary shafts from

the holes.

Slide the rotary shaft

on the left to the right

and pull it out.

4Slide the rotary shaft

on the right to the left

and pull it out.

5Remove the front

panel.

Step Procedure Points

(R5640)

Rotary shaft

Panel

stopper

(R18699)

Rotary shaft

(R18700)

(R5644)

Air Filters / Panels Si041260

6Removal Procedure

7. Remove the service cover.

Remove the screw

(black) of the service

cover.

Slide the service cover

downward to unfasten

the hook on the back

side.

3Remove the service

cover.

When reassembling, catch

the 2 hooks on the far side

first, and close the cover.

8. Remove the upper panel.

1Pinch and unfasten the

hook A and hook B.

Lift the right and left

sides to bend the upper

panel and slightly pull it

to unfasten the hook C.

Pull the upper panel

and remove it.

When reassembling, make

sure to catch the 3 hooks on

the far side.

Step Procedure Points

(R18487)

Service cover

Hook

Back side hook (R13950)

(R18488)

Upper panel

Hook A

Hook B

Hook C

Hook

Hook in front

(R18489)

Si041260 Front Grille

Removal Procedure 7

2. Front Grille

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 grille. If the hooks are hard to be

unfasten, use a flat

screwdriver.

The convex marks (...) on

the front panel indicate the

position of the hooks.

1Remove the 3 screws.

2Unfasten the upper 3

hooks.

3Open the horizontal

blade (large) fully for

preventing it from

getting caught in

pulling the front grille

out.

4Remove the front grille.

2. Points on installing the

front grille

When reassembling, make

sure that the horizontal

blade (large) does not come

inside.

When reassembling, follow

the same steps for removal

in reverse.

1When reassembling

the front grille, fit the 4

lower hooks and push

in until they click.

(R13952)

Front grille

Hook

(R5654)

Horizontal blade (large) (R14117)

(R5657)

(R5658)

Front grille (R5659)

Front Grille Si041260

8Removal Procedure

2There is a gear for front

panel driving.

3The front panel

mechanism assembly

is fixed to the front

grille.

Check that the arm is in

the stored position.

4Installation structure

5Movement of the arm

Step Procedure Points

Gear

(R13953)

Arm

Front panel mechanism assembly

(R13954)

(R5662)

(R5663)

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