REMOVAL PROCEDURE - Daikin...Indicator from the Main menu. • Wireless remote controller Press FILTER SIGN RESET button. 2 Detach the hinges to remove the suction grille. 3 Release

REMOVALPROCEDURES E R V I C E M A N U A L

Indoor Unit

Inverter

Ceiling Mounted Cassette Type

9000/12000/15000/18000 Btu/h Class

Si091657EA

Service ManualRemoval Procedure

Indoor Unit

Heat PumpFFQ09Q2VJUFFQ12Q2VJUFFQ15Q2VJUFFQ18Q2VJU

Decoration PanelBYFQ60C2W1WBYFQ60C2W1SBYFQ60B3W1

Si091657EA

Removal Procedure 1

Table of Contents

1. Decoration Panel (BYFQ60C2W1W(S)) .................................................21.1 Suction Grille / Air Filter............................................................................21.2 Swing Motor .............................................................................................31.3 Decoration Panel......................................................................................6

2. Decoration Panel (BYFQ60B3W1)..........................................................82.1 Suction Grille / Air Filter............................................................................82.2 Decoration Panel / Swing Motor / Horizontal Blades..............................10

3. Indoor Unit Body ...................................................................................143.1 Drain Pan ASSY / Fan Motor / Drain Pump ...........................................143.2 Thermistors ............................................................................................18

4. Indoor Heat Exchanger .........................................................................19

Note: The illustrations may be slightly different depending on the model.

Decoration Panel (BYFQ60C2W1W(S)) Si091657EA

1. Decoration Panel (BYFQ60C2W1W(S))1.1 Suction Grille / Air Filter

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Step Procedure Points

1 Pinch the 2 levers simultaneously and pull down the suction grille.

Clean the air filter using a vacuum cleaner or wash it with water. Do not use hot water above 50°C.

After cleaning the air filter, reset filter cleaning sign according to the following procedure.• Wired remote controller

Select Reset Filter Indicator from the Main menu.

• Wireless remote controller Press FILTER SIGN RESET button.

2 Detach the hinges to remove the suction grille.

3 Release the 4 hooks and remove the air filter.

Air filters can be removed without removing the suction grille.

Lever

Suction grille (R23855)

(R23856)

Hinge

(R23857)

Air filter

Hook

Hook

Back view of suction grille

Clean the suction grille with water using a softbristled brush. Use neutral detergent if necessary. Do not use hot water above 50°C.

2 Removal Procedure

Si091657EA Decoration Panel (BYFQ60C2W1W(S))

1.2 Swing Motor



1 Remove the 2 screws.

2 Pull the corner cover ASSY toward the center to release the 3 hooks.

When reassembling the corner cover ASSY, make sure to fit the corner hook first, then the opposite side.

3 Remove the opposite corner cover ASSY in the same way.

(R23858)

(R25292)

Corner cover ASSY

Hook

Hook

(R23860)

(1)(2)

(R23861)

Removal Procedure 3


4 Remove the screw.

5 Pull out the motor ASSY slightly, and detach the shaft of the horizontal blade.

6 Pull out the horizontal blade from the motor ASSY shaft.


(R23862)

(R25293)

Horizontal bladeShaft Motor ASSY

(R23864)

Shaft

4 Removal Procedure


7 Disconnect the connector for the swing motor.

When reassembling, make sure to attach the red connector to the red side, and the white connector to the white side.

8 Remove the 2 screws and release the swing motor.

9 Pull to detach the swing motor from the bearing.

10 Remove the remaining 3 swing motors in the same way.


(R23865)Swing motor

Connector for the swing motor

Red

White(R23866)

(R23867)

Bearing

(R23868)

Removal Procedure 5


1.3 Decoration Panel




2 Open the electrical box cover.

3

4

Cut the clamp.

Disconnect the connector [X36A] and release the harness from the groove.

[X36A]: decoration panel

When using wireless remote controller, disconnect the connector [X24A] on the transmitter board.

(R23869)

Electrical box cover

(R23870)

[X36A] [X24A]

Clamp

Groove

(R25294)

6 Removal Procedure


5

6

7

Remove the 4 screws of the decoration panel.

Release the hook from the temporary latch on both sides.

Remove the decoration panel.

Make sure that the temporary latch is fixed to prevent the decoration panel from falling.

Flocked hexagonal screws

It is possible to remove the decoration panel without removing the horizontal blades and swing motors.

When reassembling, make sure to match the drain side and the piping side marks on the decoration cover with the position of the drain area and piping area of the indoor unit.


Temporary latch

Temporary latch

Hook

Decoration panel

(R23872)

Back view

Drain side mark Piping side mark(R23874)

Temporary latch

(R23873)

Removal Procedure 7

Decoration Panel (BYFQ60B3W1) Si091657EA

2. Decoration Panel (BYFQ60B3W1)2.1 Suction Grille / Air Filter



1 Pinch the 2 levers simultaneously and pull down the suction grille.

Clean the air filter using a vacuum cleaner or wash it with water. Do not use hot water above 50°C.

After cleaning the air filter, reset filter cleaning sign according to the following procedure.• Wired remote controller

Select Reset Filter Indicator from the Main menu.

• Wireless remote controller Press FILTER SIGN RESET button.

Clean the suction grille with water using a softbristled brush. Use neutral detergent if necessary. Do not use hot water above 50°C.

2 Unfasten the hooks and remove the suction grille.

Make sure to open the front grille more than 45 degrees to avoid breaking the hook.

(R23875)

Lever

Suction grille

(R23876)

Hook

(R23877)

8 Removal Procedure

Si091657EA Decoration Panel (BYFQ60B3W1)

3 Release the 4 hooks and remove the air filter.

Air filters can be removed without removing the suction grille.


(R23878)

Hook

Hook

Air filter

Back view of suction grille

Removal Procedure 9


2.2 Decoration Panel / Swing Motor / Horizontal Blades



1. Remove the decoration panel.

1 Remove the 2 screws and open the electrical box cover.

2

3

Cut the clamp.

Disconnect the connectors [X36A] and [X80A].

[X36A], [X80A] : decoration panel

4 Release the harness from the 2 hooks.

Electrical box cover

(R24068)

Clamp [X36A] [X80A]

(R23880)

Hook

(R23881)

10 Removal Procedure


5 Cut the 3 clamps.

Make sure that the temporary latch is fixed to prevent the decoration panel from falling.

6

7

8

Remove the 4 screws from the decoration panel.

Remove the decoration panel lever from the temporary latch.

Remove the decoration panel.

Flocked hexagonal screws

When reassembling the decoration panel, be sure to fit the discharge side and the pipe side correctly.

2. Remove the swing motor and horizontal blades.

In case there is a panel spacer attached, remove the sealing material, and then remove the panel spacer beforehand.

1

2

Turn the decoration panel over.

Remove the 12 screws.


(R23882)

A

(R23883)

Clamp

Detailed view of A

(R23884)

Decoration panel

(R23885)

Temporary latch

Decoration panel lever

(R23886)

Back view of decoration panel

Removal Procedure 11


3 Remove the 4 blocking pads, one by one.


5 Pull out and remove the swing motor ASSY.

When reassembling, make sure the gears make contact with each other.


(R23887)

Blocking pad Blocking pad

Blocking pad

(R23888)

(R23889)

Swing motor ASSY

(R23890)

Gear

(R23891)



6 Remove the 4 screws of each interlock rod (16 screws).

7 Lift the 4 horizontal blades together with connecting rod ASSYs.

The horizontal blades are linked by interlock rods and cannot be separated.


A

(R23892)

Interlock rod

Detailed view of A

(R23893)

Connecting rod ASSY

Connecting rod ASSY (R23894)


Indoor Unit Body Si091657EA

3. Indoor Unit Body3.1 Drain Pan ASSY / Fan Motor / Drain Pump



1. Remove the drain pan ASSY.

[X16A]: suction air thermistor

1

2

Cut the 2 clamps on the control PCB.

Disconnect the connector [X16A].

3

4

Cut the clamp fixing the suction air thermistor ASSY.

Remove the screw to release the suction air thermistor ASSY.

5 Remove the 4 screws and remove the bell mouth.

(R25296)

ClampControl PCB

X16A

Suction air thermistor ASSY

Clamp (R25295)

(R25297)

Bell mouth


Si091657EA Indoor Unit Body

6

7

Remove the drain socket cap and drain remaining water.

Remove the 4 screws and remove the drain pan.

Place a plastic sheet on the floor to prevent wetting the floor with remaining drain.

When reassembling, make sure to attach the drain socket cap.

2. Remove the fan and the fan motor.

Nut size: M6

1 Remove the nut, and then the fan.

2 Remove the 3 nuts, and then the fan motor.

Nut size: M6


Drain socket capDrain pan ASSY

(R25298)

Nut Fan

(R23898)

10 mm (0.39 inch)

(R18954)

(R23899)

Fan motor

Nut

Nut (R23900)

10 mm (0.39 inch)

(R18954)



3. Remove the drain pump. When reassembling, make sure to fix the clamps to the metal part.

1 Cut the 2 clamps.

2 Remove the connectors [X15A] and [X25A].

[X15A]: float switch[X25A]: drain pump

3 Release the harness from the slit.


Clamp

(R23901)

[X15A] [X25A]

(R23902)

Slit

(R23903)


Si091657EA Indoor Unit Body

4

5

Cut the clamp.

Detach the hose.

6

7

Remove the 2 screws.

Remove the drain pump and the float switch.


Hose

Clamp

(R25299)

(R25300)

Drain pump

Float switch



3.2 Thermistors



1 Disconnect the connectors [X16A], [X17A] and [X18A].

[X16A]: suction air thermistor[X17A], [X18A]: heat exchanger

thermistors

When reassembling, clamp the harnesses as shown below.

2 Release the harness from the 2 hooks.

Be careful not to lose the clip for the thermistor.

3 Cut the 2 clamps and remove the 2 heat exchanger thermistors.

[X16A]

[X17A]

[X18A]

(R23907)(R23909)

Hook

(R23908)

Clip

(R24067)

Clamp

Thermistor Thermistor

(R23910)


Si091657EA Indoor Heat Exchanger

4. Indoor Heat Exchanger Warning Be sure to wait for 10 minutes or more after turning off all power supplies before

disassembling work.


1 Remove the 2 screws (A) and remove the pipe holding plate.

2

3

4

Remove the 2 screws (B) and remove the indoor heat exchanger fixtures.

Remove the 2 screws (C) and remove the indoor heat exchanger mounting plate.

Remove the indoor heat exchanger.

Pipe holding plate

(A)

(R25303)

(R25304)

Indoor heat exchanger

Indoor heat exchanger mounting plate

Indoor heat exchanger fixture

Indoor heat exchanger fixture(B)

(C)(B)


Revision History

Month / Year Version Revised contents

10 / 2016 Si091657E First edition

07 / 2018 Si091657EA Model addition: FFQ18Q2VJU

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/products/ac/

All rights reservedc

Warning Daikin products are manufactured for export to numerous countries throughout the world. Prior to purchase, please confirm with your local authorized 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.

Ask 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.

Use only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or contractor to install those parts and accessories. Use of unauthorized parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage, electrical shock, fire or explosion.

Read 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 corrosion1. 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.

Dealer

Specifications, designs and other content appearing in this brochure are current as of July 2018 but subject to change without notice.Si091657EA

07/2018 AK.B

Documents

REMOVAL PROCEDURE - Daikin...Indicator from the Main menu. • Wireless remote controller Press FILTER SIGN RESET button. 2 Detach the hinges to remove the suction grille. 3 Release