Daikin FVXD60FV2CW User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Floor Standing Type
6.0/7.1 kW Class
Si06-760

Service Manual
Removal Procedure
Indoor Unit
zHeat Pump
FVXD60FV2CW
FVXD60FV2CN
FVXD71FV2CW
FVXD71FV2CN
FVXS71FV2CN
FVXS71FV2CW

Si06-760
Removal Procedure 1
Table of Contents
1. Removal of Air Filter................................................................................2
2. Removal of Suction Grille........................................................................4
3. Removal of Control PCB .........................................................................5
4. Removal of Piping Cover ........................................................................9
5. Removal of Electrical Box .....................................................................10
6. Removal of Fan Rotor / Fan Motor........................................................11
7. Removal of Front Panel ........................................................................14
8. Removal of Display PCB.......................................................................16
9. Removal of Indoor Heat Exchanger......................................................17
Note: The illustrations may be slightly different depending on the model.

Removal of Air Filter Si06-760
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
Suction Grille Air Inlet
Air Outlet
Front Panel
Display
Fixing Screws
Horizontal
Blades
(Inside)
(R4618)
Temperature Display
(Error Codes Display)
INTELLIGENT EYE Indoor / Outdoor
Temperature Display Switch
ON / OFF Button
(Forced operation)
(R4619)

Si06-760 Removal of Air Filter
Removal Procedure 3
2. Remove the air filter.
Warning :
Make sure the vertical 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.
The Titanium apatite
photocatalytic air purifying
filters are located behind the
air filter.
Step Procedure Points
(R4620)
(R4621)
Titanium apatite
photocatalytic air
purifying filter
(R4622)

Removal of Suction Grille Si06-760
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 loosen the 2
screws.
2Tilt the suction grille
deep toward yourself
first and then lift it out of
position. (Unfasten the
2 hooks at the bottom of
the suction grille.)
When placing the suction
grille back in position, fit the
hooks at the bottom first.
(R4623)
(R4624)
Hooks
(R4625)

Si06-760 Removal of Control PCB
Removal Procedure 5
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
1. Remove the 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 control PCB.
Disconnect the
harnesses from the
terminal strip board.
Terminal strip board for
power supply
1-black
2-white
3-red
-green/yellow
Screws
(R4626)
Hook
(R4627)
(R18526)
Earth wire
Connecting Wire
Glass Tube
Thermal Fuse
JA
Wireless Remote
Controller Address
Jumper

Removal of Control PCB Si06-760
6Removal Procedure
4Disconnect the
connector for fan motor
[S1].
5Disconnect the
connectors [S21] [S35].
6Disconnect the
connectors [S26] [S28]
and the connector for
indoor heat exchanger
thermistor [S32].
7Disconnect the
connectors for swing
motor [S6] [S8].
Connector
[S6] : White
[S8] : Red
Step Procedure Points
(R18637)
[S1]
(R18638)
[S21]
[S35]
(R18639)
[S32] [S28] [S26]
(R18640)
[S8]
[S6]

Si06-760 Removal of Control PCB
Removal Procedure 7
8Remove the screw and
disconnect the earth
terminal.
9Release the room
temperature thermistor
from the holder.
10 Pull out the room
temperature thermistor
from the hole of the
electrical box.
Step Procedure Points
Earth Terminal Screw
Green / Yellow
(R10046)
Room Temperature
Thermistor
Holder
(R4634)
Hole (R4635)

Removal of Control PCB Si06-760
8Removal Procedure
11 Pull the 3 PCB spacers
out of the control PCB.
Preferably use long-nose
pliers to easily draw out the
PCB spacers.
Section view
12 Remove the control
PCB.
Step Procedure Points
PCB spacers (3)
(R18527)
Electrical box PCB
(R18528)
(R4637)
Control PCB

Si06-760 Removal of Piping Cover
Removal Procedure 9
4. Removal of Piping Cover
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
1. Detach the piping cover.
Remove the suction grille.
1Remove the screw and
detach the piping cover.
2The figure at right
shows the pipe
connections.
The drain hose and the
drain pan are integrated and
inseparable.
Piping
cover
(R18530)
Screw
(R4639)
Liquid pipe
Gas pipe
Drain hose
(R18529)

Removal of Electrical Box Si06-760
10 Removal Procedure
5. Removal of 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. Remove the electrical box.
Remove the electrical box
cover.
1Remove the screws
and disconnect the
earth terminals (green /
yellow-striped wire
harness).
2Release the room
temperature thermistor.
Disconnect the
connectors and
terminal strip for power
supply, all from the
power supply / control
PCB.
The wire harnesses of the
connectors are tied up with
the clamp.
The room temperature
thermistor is fixed to the
holder.
3Remove the 4 fixing
screws off the electrical
box.
4Pull out the electrical
box toward yourself.
Earth terminal screws
Green / Yellow
(R18531)
Terminal strip for
power supply
(R18532)
ConnectorsClampRoom temperature
thermistor
(R18523)
Screws
Screws
(R2464)

Si06-760 Removal of Fan Rotor / Fan Motor
Removal Procedure 11
6. Removal of Fan Rotor / Fan Motor
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
1. Detach the fan rotor.
Remove the suction grille,
electrical box and piping
fixture.
1Remove the screw of
the bell mouth.
2Turn the bell mouth to
the left and pull it out.
3Remove the nut and
pull out the fan rotor.
(R18533)
Screw
Bell mouth
(R4644)
(R18534)
Nut
Fan rotor

Removal of Fan Rotor / Fan Motor Si06-760
12 Removal Procedure
2. Detach the fan motor. <Attention in the fan motor
installation>
Before you tighten screws, be
sure that the rubber vibration
isolators (front, back) of the fan
motor firmly fit into the both
holes of the installation board
and fan motor cover when you
install a fan motor.
1Remove the 2 screws
on the left side and
remove the fan harness
cover.
2(1) Disconnect the relay
harness.
(2) Pinch the both sides
of the spring.
(3) Pull out the
connector from the
plate.
3Remove the 2 screws
on the right side and
remove the fan motor
stand.
The left 2 screws, which
tighten the fan harness
cover, have been
already removed at
procedure 1.
Step Procedure Points
(R18535)
Screws
Fan
harness
cover
(R4647)
(3)
(1)
(2) (2)
(R18536)
Fan motor stand
Screws

Si06-760 Removal of Fan Rotor / Fan Motor
Removal Procedure 13
4Cut the clamp and
release the harness
from the fan motor
stand.
5Remove the 4 screws
and remove the fan
motor from the stand.
Step Procedure Points
(R18537)
Fan motor
Screws
Fan motor stand
Clamp
Screws

Removal of Front Panel Si06-760
14 Removal Procedure
7. Removal of Front Panel
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
1. Detach the front panel.
1Release the 2 hooks in
the middle of the
vertical blade.
2Release the upper shaft
of the vertical blade and
lift the blade up to
remove.
3Remove either vertical
blades in the same
way.
4Remove the 4 screw
covers.
5Remove the 6 screws.
6Release the harness
from the hook.
(R18538)
Shaft
Hooks Vertical blades
(R4651)
Screw cover
Screws
Screws
Hook
Harness

Si06-760 Removal of Front Panel
Removal Procedure 15
7Lift the front panel up to
undo the 4 hooks and
pull it out.
Step Procedure Points
(R4652)
Hooks
Hooks

Removal of Display PCB Si06-760
16 Removal Procedure
8. Removal of Display 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 display PCB. Take out the display PCB
from behind the front panel.
The screws have washers.
When reassembling, be
sure to attach the washers.
Detach the front panel.
1Remove the 6
cylindrical heat
insulators.
2Remove the 8 screws.
3Remove the heat
insulator.
4Release the 4 hooks
and pull out the PCB
case assembly.
5Release the 7 hooks
and remove the back
cover.
6Peel off the filament
tapes.
7Release the 6 hooks
and pull out the display
PCB from the display
case.
(R10048)
Heat insulator
Screws
Screws
InsulatorsInsulators
(R18539)
PCB case
assembly
Hooks
Hooks
Back cover
Display case
Display PCB
Cover
Hooks
Filament tapes
Hooks
(R18540)

Si06-760 Removal of Indoor Heat Exchanger
Removal Procedure 17
9. Removal of Indoor Heat Exchanger
Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Step Procedure Points
1. Detach the indoor heat
exchanger.
Detach the front panel.
Detach the electrical box.
Release the harnesses
from the hook behind the
electrical box.
1Pull out the air outlet
guide.
2Remove the screw and
remove the piping
cover.
3Remove the piping
fixture.
4Release the harnesses
(indoor heat exchanger
thermistor, earth wire)
from the ditch of the
drain pan.
(R18541)
Air outlet guide
(R10254)
Piping cover
Piping fixture
Harnesses

Removal of Indoor Heat Exchanger Si06-760
18 Removal Procedure
4Remove the 4 screws
of the indoor heat
exchanger.
5Lift up and remove the
indoor heat exchanger.
Step Procedure Points
(R4658)
Screws
Screws
(R18524)
Indoor heat exchanger