Daikin FHY71FVE User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Non-Inverter
Pair Type
3 HP Class
Si211307E

Service Manual
Removal Procedure
Indoor Unit
Applicable Models
zHeat Pump
FHY71FVE

Si211307E
Removal Procedure 1
Table of Contents
1. Procedure to Remove Air Filter and Suction Grille .................................2
2. Procedure to Remove Electrical Parts and PCB.....................................3
3. Procedure to Remove Horizontal Blade..................................................5
4. Procedure to Remove Fan Rotor an Motor .............................................6
5. Procedure to Remove Fan Bearing.........................................................8
6. Procedure to Remove Bottom Panel and Drain Pan...............................9
7. Procedure to Remove Swing Motor ......................................................12

Procedure to Remove Air Filter and Suction Grille Si211307E
2Removal Procedure
1. Procedure to Remove Air Filter and Suction 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 The air filter is mounted
behind the suction grille.
2 Push the 2 tabs and open
the suction grilles.
3 Push the air filter
installation panel from 2
places in the direction of
the arrow, and pull the air
filter out toward yourself.
4 Grip the air filter
installation filter
installation tabs and
remove the air filter.
5 Remove the suction
grille.

Si211307E Procedure to Remove Electrical Parts and PCB
Removal Procedure 3
2. Procedure to Remove Electrical Parts and PCB
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
∗Remove the air filter according
to the procedures for removing
the air filter and suction grille.
1 After removing the
reinforce stay (1
installation screw),
loosen the 2 screws of
the control box cover and
remove the control box
cover.
2 Remove the 2 screws of
the control box.
Reinforce stay

Procedure to Remove Electrical Parts and PCB Si211307E
4Removal Procedure
3 Pull open the control box
and let it hang by the 2
locations in the rear.
Electrical parts can now
be removed.
4 Disconnect the connector
mounted on the PCB.
5 Remove the PCB
installation screw.
6 Slide the PCB to the left
away from the tabs on the
right, and remove the
PCB.
Step Procedure Points
Control box
Rear panel

Si211307E Procedure to Remove Horizontal Blade
Removal Procedure 5
3. Procedure to Remove 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 Remove the left side
panel according to the
procedure for removing
the fan bearing.
2 Remove the screw of the
horizontal blade fastener.
3 Slide the horizontal blade
to the left with both
hands, pull it out forward,
and remove. (For unit
with set screws on the
central shaft, perform this
operation after removing
the screws.)

Procedure to Remove Fan Rotor an Motor Si211307E
6Removal Procedure
4. Procedure to Remove Fan Rotor an Motor
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1 Push the 2 tabs of the fan
housing toward the inside
with your fingers, and pull
out the fan housing.
2 Loosen the 2 hexagon
set screws of the
intermediate bearing.

Si211307E Procedure to Remove Fan Rotor an Motor
Removal Procedure 7
3 Slide the intermediate
bearing to the right and
remove the fan rotor
assy.
4 Disconnect the 2 fan
motor connecting
connectors.
2 connectors
Connector (1) handles high
voltage (220-240 V), so be sure to
turn of the power supply before
disconnecting.
5 Remove the 2 fan motor
fasteners.
6 Remove the fan motor.
Step Procedure Points

Procedure to Remove Fan Bearing Si211307E
8Removal Procedure
5. Procedure to Remove Fan Bearing
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
∗Remove the fan rotor
according to the procedures for
removing the fan rotor and fan
motor.
1 Remove the left side
panel installation screw.
2 Slide the left side panel
toward the front of the
unit and remove.
3 Remove the 2 bearing
installation screws and
remove the bearing.