Daikin FAQ71BVV1B User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Inverter

Wall Mounted Type

3/4 HP Class

Si281302

Service Manual

Removal Procedure

Indoor Unit

Applicable Models

zHeat Pump

FAQ71BVV1B

FAQ100BVV1B

Si281302

Removal Procedure 1

Table of Contents

1. Procedure to Remove Air Filter and Front Panel ....................................2

2. Procedure to Remove Front Grille ..........................................................3

3. Procedure to Remove the Horizontal Blade and Vertical Blade..............4

4. Procedure to Remove Electrical Box ......................................................5

5. Procedure to Remove Heat Exchanger ..................................................6

6. Procedure to Remove Fan Motor and Fan Rotor....................................7

7. Procedure to Remove Air Swing Motor...................................................8

8. Procedure to Remove Drain Hose Piping to the Left ..............................9

Procedure to Remove Air Filter and Front Panel Si281302

2Removal Procedure

1. Procedure to Remove Air Filter and Front Panel

Procedure Warning Be sure to wait for 10 minutes or more after turning off all power

supplies before disassembling work.

Step Procedure Points

1Put your fingers on

protrusions at left and

right side of the unit to

open the front panel.

2To remove the air filter,

press up the tab and

pull down the filter.

The air filter is free from the

side of left or right.

It is easy to install if inserting

along the guide.

3Disengage the holding

section on upper right

of the panel by pushing

toward left, then slide

toward right to remove

the front panel.

Front panel

Air filter

Front panel

Si281302 Procedure to Remove Front Grille

Removal Procedure 3

2. Procedure to Remove 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

Removing the front panel

in accordance with

"Removal of Front Panel".

1Remove 3 pieces of

front grille fixing screws.

2Remove the front grille

by pulling forward while

pushing 3 hooks

located at upper part of

the grille 1 by 1.

If hard to remove, try to

press the hooks by a

screwdriver or the like to

remove.

3The front grille can be

removed by pulling

forward and lift the

bottom part.

Make sure that the 3 hooks

are set on the original

position when reinstalling

the front grille.

Front grille

Procedure to Remove the Horizontal Blade and Vertical Blade Si281302

4Removal Procedure

3. Procedure to Remove the Horizontal Blade and

Vertical 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. Removing the horizontal

blade.

1Open the horizontal

blade.

2Bend the horizontal

blade slightly to

disengage the fixing

part at right side.

3Pull the horizontal blade

rightward and take it

out.

1. Removing the vertical

blade.

1Disengage the

protrusion on upper

side of blade from

holder plate. (3

locations)

2Press the vertical blade

backward and pull the

lower side forward to

disengage the blade

from 3 hooks.

Horizontal blade

Holder

Holder plate

Protrusion

Holder plate

Vertical blade

Hook

Si281302 Procedure to Remove Electrical Box

Removal Procedure 5

4. Procedure to Remove 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

Removing the front grille in

accordance with "Removal

of Front Grille".

1Remove the screw on

the service cover.

2Remove the screw on

the drip proof plate.

3Remove the screw for

the grounding wire.

4Remove the following

connectors.

· Fan motor connector

· Air swing motor

connector

5Pull the heat exchanger

thermistor and

dismantle it.

6Remove the fixing

screw for switch box.

7Pull forward the switch

box holding lower part

of the box.

Drip proof plate

screw Service cover

screw

Earth wire screw

Heat exchanger

thermistor

Swing

motor

connector

Fan motor connector

Switch box

Procedure to Remove Heat Exchanger Si281302

6Removal Procedure

5. Procedure to Remove Heat Exchanger

Procedure Warning Be sure to wait for 10 minutes or more after turning off all power

supplies before disassembling work.

Step Procedure Points

Removing the front grille in

accordance with "Removal

of Front Grille".

Removing the switch box

in accordance with

"Removal of Switch Box".

Caution

If gas leaks, repair the leakage

section, collect refrigerant

inside the unit completely, then,

recharge refrigerant after

performing vacuum

dehydration.

Caution

Don't mix air or the like other

than the specified refrigerant

into a refrigeration circle.

(Mixing of air or other gas

causes abnormal high pressure

in the refrigerating cycle and

results in pipe rupture or

personal injuries.)

Pay attention not to soil the

floor with residual drain.

In case that the drain hose is

buried inside wall, remove

the heat exchanger after

pulling out the drain hose.

Caution

When removing or reinstalling

the heat exchanger, be sure to

wear gloves or wrap the heat

exchanger with cloth or the like.

(Otherwise, the fins may injure

your hand.)

1Press strongly the

claws on both left and

right sides of heat

exchanger toward

inside.

2To remove the heat

exchanger, pull it

upward.

Si281302 Procedure to Remove Fan Motor and Fan Rotor

Removal Procedure 7

6. Procedure to Remove Fan Motor and Fan Rotor

Procedure Warning Be sure to wait for 10 minutes or more after turning off all power

supplies before disassembling work.

Step Procedure Points

Removing the front grille in

accordance with "Removal

of Front Grille".

Removing the

El. compo. box in

accordance with "Removal

of El. compo. Box".

1. Removing the fan motor

1Insert a Phillips tip

screwdriver into the air

outlet and remove the

screws fixing the fan

motor and fan rotor.

(The screws can be

removed without

removing of horizontal

blade.)

2Remove the 2 screws

on the bearing cover (1)

and (2) and dismantle

the covers.

3Take out the fan motor

sideways.

2. Removing the fan rotor

Removing the heat

exchanger in accordance

with "Removal of Heat

Exchanger".

1Remove the 2 screws

to dismantle the rotor

cover.

2Pull the fan rotor out.

Bearing cover (1)

Bearing cover (2)

Fan motor

Fan rotor

Rotor cover

Procedure to Remove Air Swing Motor Si281302

8Removal Procedure

7. Procedure to Remove Air 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

Removing the front grille in

accordance with "Removal

of Front Grille".

1Disconnect the air

swing motor connector

in the el. compo. box.

2Remove the screw

which fixes the air

swing motor.

3Pull the air swing link

assembly to the left

strongly to dismantle.

Swing motor

Swing link

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