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)
9
10
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)