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.

Si211307E Procedure to Remove Bottom Panel and Drain Pan
Removal Procedure 9
6. Procedure to Remove Bottom Panel and Drain
Pan
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 its removal procedure.
1 Remove the right side
panel installation screw.
2 Slide the right side panel
toward the front of the
unit and remove.
3 Remove the 2 wiring
cover installation screws.
4 Remove the wiring cover.

Procedure to Remove Bottom Panel and Drain Pan Si211307E
10 Removal Procedure
5 Remove the 5 bottom
panel installation screws
(2 each on the left and
right, 3 in the rear), and
remove the bottom panel.
Remove the rear surface screws
(2 each on the left and right), and
remove the center screw while
supporting the bottom panel from
underneath.
6 Let down the rear of the
bottom panel, push out
toward the front
(removed from the
hooking part) and
remove.
7 Remove the drain pan
retainer (1 screw).
Step Procedure Points
(Rear surface)

Si211307E Procedure to Remove Bottom Panel and Drain Pan
Removal Procedure 11
8 Lower the front surface of
the drain pan, remove the
hooking part of the rear
surface, and remove the
drain pan.
(1) Lower the front surface of the
drain pan.
(2) Remove the hooking part of the
rear surface.
Step Procedure Points

Procedure to Remove Swing Motor Si211307E
12 Removal Procedure
7. Procedure to Remove Swing Motor
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 right side panel
according to the procedures for
removing the bottom panel and
drain pan.
1 Disconnect the connector
connected to the swing
motor.
2 Remove the 3 swing
motor installation screws.
3 Remove the swing motor. When installing match the position
with the horizontal blade shaft.

Revision History
Month / Year Version Revised contents
06 / 2013 Si211307E First edition

Head Office:
Umeda Center Bldg., 2-4-12, Nakazaki-Nishi,
Kita-ku, Osaka, 530-8323 Japan
Tokyo Office:
JR Shinagawa East Bldg., 2-18-1, Konan,
Minato-ku, Tokyo, 108-0075 Japan
http://www.daikin.com/global_ac/
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c
Warning
zDaikin products are manufactured for export to numerous countries throughout the world. Prior to
purchase, please confirm with your local authorised importer, distributor and/or retailer whether this
product conforms to the applicable standards, and is suitable for use, in the region where the product
will be used. This statement does not purport to exclude, restrict or modify the application of any local
legislation.
zAsk a qualified installer or contractor to install this product. Do not try to install the product yourself.
Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion.
zUse only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or
contractor to install those parts and accessories. Use of unauthorised parts and accessories or
improper installation of parts and accessories can result in water or refrigerant leakage, electrical
shock, fire or explosion.
zRead the User's Manual carefully before using this product. The User's Manual provides important
safety instructions and warnings. Be sure to follow these instructions and warnings.
If you have any enquiries, please contact your local importer, distributor and/or retailer.
Cautions on product corrosion
1. Air conditioners should not be installed in areas where corrosive gases, such as acid gas or alkaline gas, are produced.
2. If the outdoor unit is to be installed close to the sea shore, direct exposure to the sea breeze should be avoided. If you need to install
the outdoor unit close to the sea shore, contact your local distributor.
Organization:
DAIKIN INDUSTRIES, LTD.
AIR CONDITIONING MANUFACTURING DIVISION
Scope of Registration:
THE DESIGN/DEVELOPMENT AND MANUFACTURE OF
COMMERCIAL AIR CONDITIONING, HEATING, COOLING,
REFRIGERATING EQUIPMENT, HEATING EQUIPMENT,
RESIDENTIAL AIR CONDITIONING EQUIPMENT, HEAT
RECLAIM VENTILATION, AIR CLEANING EQUIPMENT,
COMPRESSORS AND VALVES.
Organization:
DAIKIN INDUSTRIES
(THAILAND) LTD.
Scope of Registration:
THE DESIGN/DEVELOPMENT
AND MANUFACTURE OF AIR
CONDITIONERS AND THE
COMPONENTS INCLUDING
COMPRESSORS USED FOR THEM
All of the Daikin Group’s business
facilities and subsidiaries in Japan
are certified under the ISO 14001
international standard for
environment management.
JMI-0107 JQA-1452
Dealer
z
Specifications, designs and other content appearing in this brochure are current as of June 2013 but subject to change without notice.
Si211307E
06/2013 AK