Daikin FVXS71HVMA User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Inverter
Floor Standing Type
6.0/7.1 kW Class
Si06-962

Service Manual
Removal Procedure
Indoor Unit
zHeat Pump
FVXS60HVMA
FVXS71HVMA

Si06-962
Removal Procedure 1
Table of Contents
1. Removal of Air Filter / Front Panel / Front Grille .....................................2
2. Removal of Horizontal Blade...................................................................6
3. Removal of Electrical Box .......................................................................7
4. Removal of PCBs..................................................................................11
5. Removal of Vertical Blades ...................................................................17
6. Removal of Indoor Heat Exchanger ......................................................21
7. Removal of Fan Rotor / Fan Motor........................................................23
Note: The illustrations may be slightly different depending on the model.

Removal of Air Filter / Front Panel / Front Grille Si06-962
2Removal Procedure
1. Removal of Air Filter / Front Panel / Front Grille
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Features
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.
INVERTER
ON/OFF
(R9692)
Operation lamp Timer lamp
(R6766)
Indoor Unit
[ON/OFF] button
INVERTER
ON/OFF
Front panel
(R9693)

Si06-962 Removal of Air Filter / Front Panel / Front Grille
Removal Procedure 3
2 Open the front panel.
3 Press the 2 hooks of
the top of the air filter
downward and
unfasten them.
4 Pull the air filter up and
remove it.
When installing the air filter,
catch the 2 hooks of the front
grille.
Step Procedure Points
INVERTER
ON/OFF
(R9694
)
INVERTER
ON/OFF
(R9695)
INVERTER
ON/OFF
(R9696)
Air filter
INVERTER
ON/OFF
(R17117)
Hook for
air filter

Removal of Air Filter / Front Panel / Front Grille Si06-962
4Removal Procedure
5Release the strings
from the hooks.
6 Release the 3 hooks of
the bottom of the front
panel and remove the
front panel.
When installing the front
panel, catch the 3 hooks of
the front grille and hitch the
string to prevent the front
panel from dropping.
7 Remove the 5 screws
from the front grille.
Step Procedure Points
INVERTER
ON/OFF
String
(R14977)
INVERTER
ON/OFF
(R9697)
Hook
INVERTER
ON/OFF
(R9699)
Front grille

Si06-962 Removal of Air Filter / Front Panel / Front Grille
Removal Procedure 5
8 Pull the front grille and
remove it.
The main unit has 3 hooks
on the upper part. When
unfastening the hooks on the
front grille, hold the front
panel as shown below.
Step Procedure Points
(R6775)
Left side
(100)
Hook
(100)
Hook
Right side
3 hooks
(R15003)

Removal of Horizontal Blade Si06-962
6Removal Procedure
2. Removal of Horizontal Blade
Procedure Warning Be sure to wait for 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 left shafts and
remove the horizontal
blade.
Release the left shaft first
and then release the right
shaft from the key alignment.
(R9702)
Horizontal blade
(R9703)
(R9704)

Si06-962 Removal of Electrical Box
Removal Procedure 7
3. Removal of Electrical Box
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1 Disconnect the
connector [S49] and
release the harness
from the 6 hooks.
2 Pull the drip proof
cover and remove it.
(R14978)
[S49]
Hook
(R9706)
Drip proof cover

Removal of Electrical Box Si06-962
8Removal Procedure
When reassembling, make
sure to fit the hook.
3 To detach the
connection wires,
remove the screw from
the wiring fixture and
remove the 4 screws
from the terminal
board.
Step Procedure Points
(R9708)
(R9707)
(R9709)
Wiring fixture
Terminal board

Si06-962 Removal of Electrical Box
Removal Procedure 9
4 Pull the indoor heat
exchanger thermistor
out.
Be careful not to lose the clip
for the thermistor.
5Remove the 3 screws
and release the earth
wires.
6 Disconnect the
3 connectors
[S1] [S41] [S42].
[S1] : fan motor
[S41]: lower air outlet motor
[S42]: swing motor
Step Procedure Points
(R14979)
Indoor heat exchanger thermistor
(R14980)
Earth wire
(R9712)
[S42]
[S41]
[S1]

Removal of Electrical Box Si06-962
10 Removal Procedure
7 Remove the screw.
8 Pull the electrical box
out.
Step Procedure Points
(R9713)
(R9714)
Electrical
box

Si06-962 Removal of PCBs
Removal Procedure 11
4. Removal of PCBs
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Remove of the shield
plate.
1Pull out the earth wire
from the terminal
board.
2Release the earth wire.
3Unfasten the 8 hooks
of the shield plate and
remove it.
(R17109)
Earth
wire
(R9716)
(R9717)
Shield plate

Removal of PCBs Si06-962
12 Removal Procedure
4Detach the clamp.
2. Remove the service PCB. Unfasten the left hook first.
1Unfasten the 2 hooks
of the lamp cover.
Step Procedure Points
(R9718)
Clamp
(R14981)
Lamp cover
(R14982)
Display PCB
Service PCB

Si06-962 Removal of PCBs
Removal Procedure 13
2 Unfasten the 2 hooks
of the service PCB.
3 Disconnect the
connector [S27] and
remove the service
PCB.
3. Remove the display PCB.
1Unfasten the 2 hooks
of the display PCB.
2 Disconnect the
connector [S47] and
remove the display
PCB.
Step Procedure Points
Hook
Service PCB
(R14983)
(R6793)
[S27]
Hook
(R14753)
Display PCB
[S47]
(R6797)

Removal of PCBs Si06-962
14 Removal Procedure
4. Remove the control PCB.
1 Pull all the terminals
out from the terminal
board.
2Remove the 2 screws.
3 Remove the control
PCB.
Step Procedure Points
(R9723)
123
Screw
Screw
(R6800)
(R6801)

Si06-962 Removal of PCBs
Removal Procedure 15
4Cut the clamp.
5Disconnect the
connectors [S26] [S46]
[S48].
[S26]: service PCB
[S46]: display PCB
[S48]: sensor PCB
Step Procedure Points
(R9724)
(R9725)
[S26]
[S46]
[S48]
(R14984)
[S48]
[S46]
[S41] [S42] [S26][S1]

Removal of PCBs Si06-962
16 Removal Procedure
5. Remove the sensor PCB.
1Unfasten the 2 hooks
and remove the sensor
PCB ASSY from the
drip proof cover.
2 Lift up and remove the
sensor PCB.
Step Procedure Points
(R9719)
Drip proof
cover
Sensor PCB
ASSY
(R14985)
Sensor PCB

Si06-962 Removal of Vertical Blades
Removal Procedure 17
5. Removal of Vertical Blades
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Remove the vertical blade
(upper).
1Remove the 2 screws
and remove the air
outlet ASSY.
2 Release the wires from
the hook and remove
the 2 screws.
3Remove the swing
motor and disconnect
the connector.
(R14986)
Air outlet ASSY
(R9728)
(R9729)
Swing motor

Removal of Vertical Blades Si06-962
18 Removal Procedure
2. Remove the vertical blade
(lower).
Be careful not to wet the
floor with drained water.
1Remove the drain hose
and release the harness
of the lower air outlet
motor from the hook.
2 Release the harness
from the hooks.
3Remove the 2 screws
of the drain pan ASSY.
4 Pull out the drain pan
ASSY.
Step Procedure Points
(R15004)
Drain hose
Hook
(R9731)
(R9872)
(R9732)
Drain pan
ASSY