Daikin FHC71KVE9 User manual

REMOVAL
PROCEDURE
SERVICE MANUAL
Indoor Unit
Non-Inverter
Ceiling Mounted
Cassette Type
2/2.5/3/4/5/6 HP Class
Si241305

Service Manual
Removal Procedure
Indoor Unit
Applicable Models
zCooling Only
FHC71KVE9
FHC18NUV1
FHC21NUV1
FHC26NUV1
FHC30NUV1
FHC18NUV14
FHC21NUV14
FHC26NUV14
FHC36NUV14
FHC42NUV14
FHC48NUV14
FHC18NUV15
FHC21NUV15
FHC26NUV15
FHC18NUV2S
FHC24NUV2S
FHC30NUV2S
FHC36NUV2S
FHC42NUV2S
FHC48NUV2S
zHeat Pump
FHYC71KVE9
FHYC71KVE4
FHYC100KVE4
FHYC125KVE4
FHYC140KVE4

Si241305
Removal Procedure 1
Table of Contents
1. Procedure to Remove Suction Grille.......................................................2
2. Procedure to Remove Air Filter...............................................................3
3. Procedure to Remove Decoration Cover ................................................4
4. Procedure to Remove Decoration Panel.................................................5
5. Procedure to Remove Horizontal Vane...................................................6
6. Procedure to Remove Swing Motor ........................................................8
7. Procedure to Remove Switch Box Cover..............................................10
8. Procedure to Remove Fan Motor..........................................................11
9. Procedure to Remove Drain Pan ..........................................................12
10.Procedure to Remove Drain Pump and Drain Hose .............................13

Procedure to Remove Suction Grille Si241305
2Removal Procedure
1. Procedure to Remove 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
1Press the 2 buttons
simultaneously and pull
the suction grille slowly.
When closing, press up the
grille slowly.
2With the suction grille
open at an angle of 45º,
lift it up to remove it.
Grille is attached with 3 hooks.
(1) Open to
45˚ angle. (2) Lift to remove.

Si241305 Procedure to Remove Air Filter
Removal Procedure 3
2. Procedure to Remove Air Filter
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1Open the suction grille.
(See the procedure to
remove suction grille.)
2Disengage the hooks of
the air filter by pulling
the filter downward at
an angle, and remove
the filter.
Installation of the air filter
(2)
1Hook the air filter to the
protrusions located at
the top section of the
suction grille.
2Press the lower section
of the air filter into the
protrusions located at
the bottom section of
the suction grille to
secure the air filter in
place.

Procedure to Remove Decoration Cover Si241305
4Removal Procedure
3. Procedure to Remove Decoration Cover
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1To remove the
decoration cover, pull
the inside part (suction
grille side) down.
2Disengage the strap
(fall prevention strap) of
the corner decoration
cover from the pin.
3There are 4 corner
decoration covers.
They can be removed
by following the same
procedure.
Installation of the corner
decoration cover
Install the corner decoration
cover so that the 4
protrusions on the cover are
securely inserted into the
holes on the decoration
panel section.
Pin
Fall prevention strap

Si241305 Procedure to Remove Decoration Panel
Removal Procedure 5
4. Procedure to Remove Decoration Panel
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1Loosen the 4 retaining
screws from the
decoration panel.
Structure of mounting fixture
2The decoration panel is
attached with 4
mounting fixtures.
3Remove the 2 fixtures
on the outside (sections
A), then remove the 2
fixtures on the inside
(sections B).
4Remove the decoration
panel.
Section B
Section A
Section B
Section A
(1) Retaining
screw
Decoration panel
(2) Mounting
fixture (2) Mounting
fixture
(2) Mounting
fixture

Procedure to Remove Horizontal Vane Si241305
6Removal Procedure
5. Procedure to Remove Horizontal Vane
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1Locate 9 screws on the
decoration panel under
the seal materials.
Remove seal materials in the
following sequence.
d→f,c→e
Number of screws
No. of screws
Seal material c: 7 pcs
Seal material d: 9 pcs
Seal material e: 7 pcs
Seal material f: 9 pcs
Total : 32 pcs
2There are 23 other
screws.
3Remove the 18 screws
on the swing motor side
and on the opposite
side to open the covers. 7 screws
7 screws
9 screws
9 screws

Si241305 Procedure to Remove Horizontal Vane
Removal Procedure 7
4Remove the 14 screws
on the 2 remaining
sides and open the
covers.
Reassembly
Check to make sure the heat
insulation is installed in the
air outlet section as shown
below. (Improper heat
insulation installation results
in condensation of water.)
Step Procedure Points
Swing motor
Horizontal vane Panel body
Heat insulation material
Seal material

Procedure to Remove Swing Motor Si241305
8Removal Procedure
6. 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
1Remove the decoration
cover located
immediately below the
cooling pipe.
Only the decoration cover
needs to be removed to take
out the swing motor.
2Remove the 1 swing
motor mounting screw.
3Hold the tabs pushed
toward the direction of
the arrow and pull the
motor down.
Tabs
Tabs

Si241305 Procedure to Remove Swing Motor
Removal Procedure 9
4Disconnect the
connector of the swing
motor.
Caution
Caution during swing
motor installation
1After installing the
swing motor, be sure to
turn ON the power
switch for reset (for
initializing the vane
positions).
2Be sure to engage the
gears on the motor side
and panel sides.
(Improper gear
engagement results in
defective swing
operation and abnormal
noise.)
Step Procedure Points
Swing motor
lead wire
Connector
section
Swing motor gear
Swing motor
Horizontal vane gear
Motor-side gear
Panel-side gear

Procedure to Remove Switch Box Cover Si241305
10 Removal Procedure
7. Procedure to Remove Switch Box Cover
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Removing the cover from
the service monitor PCB
side
1Loosen the 1 screw,
and pull the cover
toward the inside and
pull it down.
2. Removing the cover from
the connection wire side Caution
Caution during installation
Set the thermistor base securely
on the rubber bushing.
1Remove 1 screw and
loosen the other screw.
Pull the cover toward
the pipe, then pull it
down
.
Rubber bushing
Transformer
(X11A)
Transformer
(X10A)
Wiring modification
(X33A)
Suction air
thermostat Sky Air connection
(X30A)
Remote controller
(X5A)
Swing motor
(X36A)
Adaptor
(X35A)
Wireless
(X24A)
Float SW (X15A)Drain pump (X25A)
Heat exchanger thermostat
(X18A)
X19A X23A
Transformer
Capacitor
Terminal
board

Si241305 Procedure to Remove Fan Motor
Removal Procedure 11
8. Procedure to Remove Fan 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. Removing the switch box
1Remove the 5 screws,
and pull the switch box
down.
2. Removing the fan
1Remove the resin nut
and rotation stopper
from the fan.
3. Removing the fan motor
1Remove the washer-
based nuts.
3 nuts in FHC18 -
30NU, FHYC35 -
71K
4 nuts in FHYC100 -
125K
Rotation
stopper
Resin nut
Connector

Procedure to Remove Drain Pan Si241305
12 Removal Procedure
9. Procedure to Remove 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
1Drain water from the
drain hole.
2Remove the 5 drain pan
mounting screws.
3Pull down the drain pan
straight down. Caution
If water is in the drain pan, it
can spill and wet the floor.
Drain water completely or
cover the floor with a vinyl
sheet.
Drain plug
Drain hole

Si241305 Procedure to Remove Drain Pump and Drain Hose
Removal Procedure 13
10.Procedure to Remove Drain Pump and Drain Hose
Procedure Warning Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step Procedure Points
1. Removing the drain pump
Caution
Be sure to install the pipe
clip during installation to
prevent water leaks.
1Remove the drain pan.
2Remove the hose band.
3Pull out the drain hose.
4Remove the 4 drain
pump mounting screws.
5Remove the 3 drain
pump mounting plate
retaining screws.
6Remove the drain pump
mounting plate together
with the float switch.
Float switch Drain pump
Drain pump
mounting plate
Float switch

Procedure to Remove Drain Pump and Drain Hose Si241305
14 Removal Procedure
2. Removing the drain hose
Caution
The drain hose may contain
water. Make sure there is no
water in the drain hose, or
use a container to receive
water from the hose.
1Loosen the hose band
using a screwdriver.
2Pull out the drain hose.
3To remove the drain
hose connecting
section from the unit,
remove the 2 screws
and pull it out.
Step Procedure Points
Screws

Revision History
Month / Year Version Revised contents
01/2013 Si241305 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/
All rights reserved
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 January 2013 but subject to change without notice.
Si241305
01/2013 AK