Daikin FTXR28EV1B9 Manuel utilisateur

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Inverter

Wall Mounted Type

2.8/4.2/5.0 kW Class

Si04-756

Service Manual

Removal Procedure

Indoor Unit

zHeat Pump

FTXR28EV1B9

FTXR42EV1B9

FTXR50EV1B9

FTXR28FVLT

FTXR50FVLT

Si04-756

Removal Procedure 1

Table of Contents

1. Removal of Air Filters / Front panel.........................................................2

2. Removal of Upper Panel .........................................................................8

3. Removal of Front Grille .........................................................................11

4. Removal of Front Panel Mechanism Assembly ....................................14

5. Removal of Reduction Motor Assembly ................................................16

6. Removal of Electrical Box .....................................................................19

7. Removal of PCBs..................................................................................24

8. Removal of Dehumidifying Solenoid Valve Coils ..................................30

9. Removal of Connecting Duct ................................................................31

10.Removal of Drain Hose .........................................................................33

11.Removal of Swing Motors .....................................................................35

12.Removal of Indoor Heat Exchanger ......................................................37

13.Removal of Fan Rotor / Fan Motor........................................................40

14.Removal of Horizontal Blades / Vertical Blades....................................43

15.Removal of Streamer Unit.....................................................................45

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

Removal of Air Filters / Front panel Si04-756

2Removal Procedure

1. Removal of Air Filters / 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. External appearance Multi-colored indicator lamp

changes its color according

to the operation mode.

Remote controller is

interactive communication

type.

2. Remove the air filters.

1Hold the front panel on

both sides and lift it up.

(R5620)

Room temperature thermistor

Humidity sensor

Timer lamp

ON/OFF button

(Multi-colored

indicator lamp)

Signal receiver

MOISTURIZING

lamp

(R13943)

(R13944)

Front panel

(R5623)

Si04-756 Removal of Air Filters / Front panel

Removal Procedure 3

2Keep the front panel

open with the support

plate.

3Push the center part of

the air filter up to

unfasten the 2 hooks.

4Remove the air filter.

5The shapes of the right

and left filters are

different.

Insert the filters along the

guide for easy installation.

Step Procedure Points

(R5624)

Support point

Support

plate

Hook

(R5625)

(R13945)

Air filter

(R5627)

(R5628)

Removal of Air Filters / Front panel Si04-756

4Removal Procedure

3. Remove the deodorizing

filter for streamer.

1Pull the center knob to

unfasten the hook.

2Pull out the deodorizing

filter for streamer.

3Unfasten the 3 hooks. When cleaning, keep the

filter with the frame for

prevention of breakage.

4Slide the filter and

remove it.

Step Procedure Points

(R5629)

(R13946)

Deodorizing filter

for streamer

(R14114)

Hook

(R5632)

Si04-756 Removal of Air Filters / Front panel

Removal Procedure 5

4. Remove the electrode unit.

1Pull down the electrode

unit with holding the

knob.

5. Remove the Titanium

apatite photocatalytic air-

purifying filter.

1Unfasten the projection

of the frame of

Titanium apatite

photocatalytic air-

purifying filter and

remove it.

Insert the filter along the

guide for easy installation.

2Unfasten the 4 hooks

and remove the

Titanium apatite

photocatalytic air

purifying filter.

Step Procedure Points

Electrode unit

(R13947)

(R13948)

Titanium apatite photocatalytic

air-purifying filter

(R5635)

Guide

(R14115)

Hook

Removal of Air Filters / Front panel Si04-756

6Removal Procedure

6. 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.

7. Remove the front panel.

1Open the front panel

over the stopping

position.

Step Procedure Points

(R5637)

(R13949)

Air supply filter

(R5639)

(R5640)

Si04-756 Removal of Air Filters / Front panel

Removal Procedure 7

2Push the panel

stoppers outward on

both sides to detach

the rotary shafts from

the holes.

3Slide 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

(R5641)

Rotary shaft

Panel

stopper

(R5642)

Rotary

shaft

(R5643)

Rotary shaft

(R5644)

Removal of Upper Panel Si04-756

8Removal Procedure

2. Removal of Upper 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 service cover.

1Remove the screw

(black) of the service

cover.

2Slide 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.

(R5645)

(R5646)

Service cover

(R13950)

Back side hook

Hook

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