Daikin FVXD56FV2C User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Floor Standing Type
5.6 kW Class
Si06-762

Service Manual
Removal Procedure
Indoor Unit
zHeat Pump
FVXD56FV2C

Si06-762
Removal Procedure 1
Table of Contents
1. Removal of Air filter.................................................................................2
2. Removal of Suction Grille........................................................................4
3. Removal of Power Supply / Control PCB................................................6
4. Removal of Piping Fixture .....................................................................10
5. Removal of Electrical Box .....................................................................11
6. Removal of Fan Rotor / Fan Motor........................................................13
7. Removal of Front Panel ........................................................................14
8. Removal of Display PCB.......................................................................15
9. Removal of Heat Exchanger .................................................................17

Removal of Air filter Si06-762
2Removal Procedure
1. Removal of Air filter
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 gets in trouble,
an error code appears on
the temperature display.
Vertical Blades
Air Inlet
Air Outlet
Front Panel
Display
Fixing Screws
Horizontal
Blades
(Inside)
Suction Grille
(R2437)
Temperature Display
(Error Codes Display)
Intelligent Eye Indoor / Outdoor
Temperature Display Switch
On / Off Switch
(Test Run Switch)
(R2438)

Si06-762 Removal of Air filter
Removal Procedure 3
2. Remove the air filter.
Warning :
Make sure the horizontal blades
are closed. Otherwise the air
filter cannot be pulled out.
(These blades shut themselves
when the system stops.)
Note :
Do not force the suction grille
open. It may come off, and you
may get injured by the internal
fan or the unit may fall down.
1Put your fingers on the
right and left air inlets,
and open the suction
grille.
2Grip the top knob, and
draw up and out the air
filter.
Titanium Apatite
Photocatalytic Air-Purifying
Filters are located behind
the air filter.
Step Procedure Points
(R2439)
(R2440)
Titanium
Apatite
Photocatalytic
Air-Purifying
Filters
(R7275)

Removal of Suction Grille Si06-762
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 (one each on
the right and left).
(R2439)
Screws
(R2442)

Si06-762 Removal of Suction Grille
Removal Procedure 5
2Tilt the suction grille
toward yourself first and
then lift it out of
position. (Undo the 2
claws at the bottom of
the suction grille.)
When placing the suction
grille back in position, fit the
claws at the bottom first.
Step Procedure Points
(R2443)
Claws
(R2444)

Removal of Power Supply / Control PCB Si06-762
6Removal Procedure
3. Removal of Power Supply / Control PCB
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 power supply/
control PCB.
Remove the suction grille.
1Remove the 2 screws
(top and bottom on the
left) off the electrical
box cover.
2Open the electrical box
cover, and undo the
right-hand hook.
3The figure at right
shows the power
supply / control PCB.
Terminal strip board for
power supply
Upper row:
1-blue, 2-brown,
3-empty, -green / yellow
Lower row:
1-white, 2-black, 3-red
Screws
(R2445)
Hook
(R2446)
(R2480)
Earth wire
Connection Wiring
Glass Tube
Thermal Fuse
JA
Wireless Remote
Controller Address
Jumper

Si06-762 Removal of Power Supply / Control PCB
Removal Procedure 7
4Disconnect the
connector for fan motor
(S1).
5Disconnect the
connectors (S21, S35).
6Disconnect the
connectors (S26, S28)
and the connector for
heat exchanger
thermistor (S32).
7Disconnect the
connectors for swing
motor (S6, S8).
Connector
S6 : White
S8 : Red
Step Procedure Points
(R2448)
S1
(R2449)
S21
S35
(R2450)
S32 S28 S26
(R2447)
S8
S6

Removal of Power Supply / Control PCB Si06-762
8Removal Procedure
8Disconnect the
connector for thermal
fuse.
9Disconnect the terminal
strip for power supply
(upper row).
10 Disconnect the earth
terminal.
Step Procedure Points
(R2451)
Terminal Strip Board
with Thermal Fuse
(R2452)
1 : Power Supply
(Blue)
2 : Power Supply
(Brown)
3 : Transmission
Earth Terminal
Green / Yellow
(R2453)