Daikin FWXV15AVEB User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Fan Coil Unit: Convector
Floor Standing Type
1.5/2.0 kW Class
Si061062

Service Manual
Removal Procedure
Indoor Unit
zHeat Pump
FWXV15AVEB
FWXV20AVEB

Si061062
Removal Procedure 1
Table of Contents
1. Removal of Air Filter / Front Panel / Front Grille .....................................2
2. Removal of Horizontal Blade...................................................................5
3. Removal of Main Electrical Box / Sub Electrical Box ..............................6
4. Removal of PCB from Sub Electrical Box ...............................................9
5. Removal of PCB from Main Electrical Box............................................11
6. Removal of Upper Vertical Blades ........................................................15
7. Removal of Lower Vertical Blades ........................................................17
8. Removal of Indoor Heat Exchanger......................................................21
9. Removal of Fan Rotor / Fan Motor........................................................22
Note: The illustrations may be slightly different depending on the model.

Removal of Air Filter / Front Panel / Front Grille Si061062
2Removal Procedure
1. Removal of Air Filter / Front Panel / 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. External appearance
2. Remove the front panel.
(R6768)
Slide the right and the left
hooks to the center.
1 Unfasten the 2 hooks
on the top of the front
panel.
2 Open the front panel.
ON/OFF
(R12437)
ON/OFF
(R12438)
Operation
lamp TIMER lamp Signal Receiver
ON/OFF switch
ON/OFF
Front panel
(R12446)
ON/OFF
(R12447)

Si061062 Removal of Air Filter / Front Panel / Front Grille
Removal Procedure 3
3 Press and unfasten the
2 hooks of the air filter.
4 Pull out the air filter.
5 Remove the Titanium
apatite photocatalytic
air-purifying filter
ASSY.
The Titanium apatite
photocatalytic air-purifying
filter ASSY is attached to the
back of the air filter.
6 Release the string from
the hook.
Lift up the front panel to
unfasten the 3 hooks at
the bottom and then
remove the front panel.
Step Procedure Points
ON/OFF
(R12448)
Air filter
ON/OFF
(R12449)
(R12450)
Titanium apatite photocatalytic
air-purifying filter ASSY
ON/OFF
(R12451)
Hook for the front
panel
String

Removal of Air Filter / Front Panel / Front Grille Si061062
4Removal Procedure
When installing the air filter,
catch the 2 hooks at the
bottom.
When installing the front
panel, catch the 3 hooks of
the front grille and hook the
string to prevent the front
panel from dropping.
7 Remove the 4 screws
from the front grille.
8 Pull out the front grille
and remove it.
Open the horizontal blade to
remove the front grille
smoothly.
There are 3 hooks on the top
of the main unit.
Step Procedure Points
Hook for the air filter
Hook for the front panel
(R12452)
ON/OFF
(R12453)
Front grille
(R6775)

Si061062 Removal of Horizontal Blade
Removal Procedure 5
2. Removal of Horizontal Blade
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
1
2
Open the horizontal
blade.
Release the center
shaft.
3 Bend the horizontal
blade to release the
right and the left shafts
and remove the
horizontal blade.
Release the left shaft first
and then release the right
shaft from the key alignment.
Horizontal blade
(R6778)
(R6779)
Key alignment
(R6780)

Removal of Main Electrical Box / Sub Electrical Box Si061062
6Removal Procedure
3. Removal of Main Electrical Box / Sub Electrical Box
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
1
2
Remove the 2 earth
screws.
Unfasten the hook and
open the sensor PCB
fixing plate.
3 Remove the front
shield plate.
4 Remove the 1 screw of
the wiring fixture and
remove the 4 screws of
the connection wires.
5 Remove the screw and
remove the terminal
board.
Hook
(R12439)
Earth
screw
Sensor PCB
fixing plate
(R12440)
Front shield
plate
Wiring fixture
(R12441)
Connection
wires
(R12442)
Terminal
board

Si061062 Removal of Main Electrical Box / Sub Electrical Box
Removal Procedure 7
6 Disconnect the
connectors [S1] [S41]
[S42].
[S1]: fan motor
[S41]: lower air outlet motor
[S42]: swing motor
[S43]: Sub PCB
7 Release the
harnesses.
8 Remove the screw of
the main electrical box.
The sub electrical box is
screwed to the bottom frame
at the back.
9 Release the wiring
from the clamp.
Remove the screw of
the sub electrical box.
Step Procedure Points
[S42]
[S41]
[S1]
[S43]
(R12460)
(R12461)
(R12462)
Main electrical box
Clamp
Screw
Screw
Screw
(R12470)
Sub
electrical
box

Removal of Main Electrical Box / Sub Electrical Box Si061062
8Removal Procedure
10 Remove the main
electrical box and the
sub electrical box.
11 Pull out the indoor heat
exchanger thermistor.
Step Procedure Points
(R12753)
Sub electrical
box
Main electrical
box
(R12454)
Indoor heat
exchanger thermistor