Daikin FVXG50KV2CW User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Inverter

Floor Standing Type

5.0/6.0/7.2 kW Class

Si061063

Service Manual

Removal Procedure

Indoor Unit

zHeat Pump

FVXG50KV2CW

FVXG50KV2CN

FVXG60JV2CW

FVXG72JV2CW

FVXG60JV2CN

FVXG72JV2CN

Si061063

Removal Procedure 1

Table of Contents

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

2. Removal of Suction Grille........................................................................4

3. Removal of Control PCB .........................................................................6

4. Removal of Electrical Box .....................................................................10

5. Removal of Piping Cover ......................................................................12

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

7. Removal of Front Panel ........................................................................16

8. Removal of Touch Sensor PCB / Signal Receiver PCB /

Display PCB ..........................................................................................19

9. Removal of Swing Motors .....................................................................22

10.Removal of Horizontal Blade Assemblies .............................................23

11.Removal of Indoor Heat Exchanger ......................................................24

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

Removal of Air Filters Si061063

2Removal Procedure

1. Removal of Air Filters

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

before disassembling work.

Step Procedure Points

1. Features

Display

If the system has any

problems, an error code

appears on the temperature

display.

INVERTER

Fixing screw

Vertical

blade

Display

Air outlet

Air inlet

Horizontal

blade

(inside)

Suction

grille

(R13331)

Outdoor

temperature

symbol

ON / OFF switch

(Touch sensor)

Timer display

Temperature display

(Error code display)

Receiver

(R13332)

Si061063 Removal of Air Filters

Removal Procedure 3

2. Remove the air filters.

Caution

Do not force the suction grille

open, or the unit may fall down.

1Open the suction grille.

2Take out the air filters

(right and left).

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.

Step Procedure Points

(R11510)

Air filter

(R11511)

Titanium apatite photocatalytic

air-purifying filter

(R13333)

(R11513)

Removal of Suction Grille Si061063

4Removal Procedure

2. Removal of Suction Grille

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

before disassembling work.

Step Procedure Points

1. Remove the suction grille.

1Open the suction grille,

and remove the 2

screws (right and left).

2Lift the suction grille

and unfasten the 2

hooks at the bottom of

the suction grille.

Remove the suction

grille.

When reassembling the

suction grille, fit the hooks at

the bottom first.

(R11514)

(R11515)

Hook

(R13334)

Si061063 Removal of Suction Grille

Removal Procedure 5

2. Remove the suction grille

levers.

1The suction grille lever

on each side has a

hook.

2Press the hook with a

flat screwdriver.

Remove the suction

grille lever.

Remove the other

suction grille lever in

the same way.

Step Procedure Points

Hook

Suction grille

lever

(R11517)

(R11518)

Removal of Control PCB Si061063

6Removal Procedure

3. Removal of Control PCB

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

before disassembling work.

Step Procedure Points

1Remove the 2 screws

(top and bottom on the

left) from the electrical

box cover.

Remove the suction grille

according to “Removal of

Suction Grille”.

2Open the electrical box

cover, and unfasten the

right hook.

3The figure shows the

control PCB.

Screw

(R11519)

Electrical

box cover

Hook

(R13294)

Control PCB

(R13295)

Si061063 Removal of Control PCB

Removal Procedure 7

4Disconnect the

harnesses from the

terminal board.

Upper terminal

brown ----- L

sky blue ----- N

yellow / green ( ) ----- earth

Lower terminal

black (1) ----- power supply

white (2) ----- power supply

red (3) ----- transmission

yellow / green ( ) ----- earth

The thermal fuse is united

with the terminal board.

5Disconnect the

connector [S1].

[S1] : fan motor

6Disconnect the

connector [S5] [S21].

[S5] : thermal fuse

[S21] : display PCB

7Disconnect the

connectors [S26],

[S28], [S32].

[S26] : display PCB

[S28] : display PCB

[S32] : indoor heat exchanger

thermistor

Step Procedure Points

Terminal board

(R13293)

[S1]

(R13296)

[S5]

[S21]

(R13297)

[S32] [S28] [S26]

(R13298)

Removal of Control PCB Si061063

8Removal Procedure

8Disconnect the

connectors [S6], [S8]

for the swing motors.

[S6] : white (right blade)

[S8] : red (left blade)

Remove the screw of

the earth wires.

Cut the clamp.

Earth terminals: from [FG]

and [GND]

11 Remove the screw of

the air inlet protection

net.

12 Release the room

temperature thermistor

from the holder.

Step Procedure Points

[S8]

[S6]

(R13299)

Clamp

(R13300)

Air inlet

protection net

(R13335)

Room temperature

thermistor

(R13336)

This manual suits for next models

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