Daikin FTK09NMVJU User manual

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Inverter

Wall Mounted Type

9000/12000 Btu/h Class

Si041552E

Service Manual

Removal Procedure

Indoor Unit

zCooling Only zHeat Pump

FTK09NMVJU FTX09NMVJU

FTK12NMVJU FTX12NMVJU

FTKN09NMVJU FTXN09NMVJU

FTKN12NMVJU FTXN12NMVJU

Si041552E

Removal Procedure 1

Table of Contents

1. Air Filters / Front Panel ...........................................................................2

2. Front Grille ..............................................................................................3

3. Horizontal Blade......................................................................................4

4. Electrical Box ..........................................................................................5

5. PCBs / Swing Motor ................................................................................9

6. Indoor Heat Exchanger .........................................................................12

7. Fan Rotor / Fan Motor...........................................................................14

8. Fan Guards / Vertical Blade ASSYs......................................................16

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

Air Filters / Front Panel Si041552E

2Removal Procedure

1. Air Filters / Front Panel

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 air filters. The air filter is not marked

for difference between the

right and left sides.

The air filter can be set

easily by inserting it along

the guides.

Insert the air filter with the

“FRONT” mark faced up.

Be sure to insert the hooks

(at 2 lower positions) when

installing the air filter.

Open the front panel.

Unfasten the 2 hooks

and pull out the air filter

downward to remove it.

2. Remove the front panel. The rotary shaft on each

side can be released easily

by sliding each shaft inward.

1 Release the left and

right rotary shafts.

2 Remove the front panel. When reassembling the front

panel, fit the right and left

rotary shafts one by one into

the grooves and fully push

them in position.

Front panel

Hook Air filter

(R21852)

Left

(R21001)

Right

(R21853)

Front panel

(R21854)

Si041552E Front Grille

Removal Procedure 3

2. Front Grille

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 2 screws

of the front grille.

Unfasten the 3 hooks at

the top.

Pull out the upper part

of the front grille and lift

up the lower part, and

then remove the front

grille.

The convex marks (…) on

the front panel indicate the

position of the hooks.

When reassembling, make

sure that all the 3 hooks are

fastened.

Front grille

(R21855)

Hook

(R21005)

(R12715)

Horizontal Blade Si041552E

4Removal Procedure

3. Horizontal Blade

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

disassembling work.

Step Procedure Points

1 Release the center

shaft while bending the

horizontal blade

slightly.

Installation procedure

(1) Since the key pattern hook is

provided, rotate the

horizontal blade and fit it to

the right shaft first.

(2) Fit the horizontal blade to the

center and left shafts.

Release the left shaft.

Release the right key

pattern hook.

4 Remove the horizontal

blade.

Horizontal blade

(R21827)

Shaft

(R21007)

Shaft

Left

(R21008)

Key pattern hook

Right

(R21009)

Horizontal blade (R21828)

Si041552E Electrical Box

Removal Procedure 5

4. Electrical Box

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

disassembling work.

Step Procedure Points

1. Disconnect the

connecting wire.

Service cover can be

removed without removing

the front grille.

There is no hook at the top

of the service cover. Be

careful not to drop it when

the screw is loosened.

1 Remove the screw and

remove the service

cover.

Remove the screw and

remove the wire fixture.

Remove the 4 screws

of the terminal board.

Loosen the conduit and

disconnect the

connecting wire.

2. Remove the electrical

box.

1 Remove the 2 screws

and detach the earth /

ground wires.

Service cover

(R21856)

Terminal board

Connecting

wire

Wire fixture

Conduit

(R21829)

Earth / ground

wire (green)

Earth / ground wire (yellow / green)

(R21830)

Electrical Box Si041552E

6Removal Procedure

2 Pull out the indoor heat

exchanger thermistor.

Be careful not to lose the clip

of the thermistor.

The position of the indoor

heat exchanger thermistor

varies depending on the

model.

3 Release the earth /

ground wires and the

thermistor harness from

the front and the back

slits at the top of the

electrical box.

When reassembling, be sure

to insert the earth / ground

wires in the front slit and

yellow / green wire is above

the green wire and insert the

thermistor harness in the

back slit.

4 Unfasten the 4 hooks

and remove the

electrical box cover.

When reassembling, make

sure that the 4 hooks are

securely fastened.

Step Procedure Points

Indoor heat exchanger thermistor

(R21831)

Clip

(R11268)

Electrical box

Earth / ground wire Thermistor harness Slit

(R21832)

Front slit

Yellow / green

Green

Back slit

Thermistor

harness

(R21857)

Electrical box cover

Hook

(R21833)

Si041552E Electrical Box

Removal Procedure 7

Disconnect the

connector [S200].

Release the harnesses

from the 5 hooks.

[S200]: fan motor

Disconnect the

connector [S6].

Release the harnesses

from the 6 hooks.

[S6]: swing motor

9 Remove the screw of

the electrical box.

Step Procedure Points

[S200]

Hook Hook

(R21834)

Hook

[S6]

Hook

(R21835)

Electrical box

(R21836)

Electrical Box Si041552E

8Removal Procedure

10 Slightly lift the electrical

box upward and

remove it.

When reassembling, make

sure to catch the hook at the

front of the electronic box.

When reassembling, make

sure that the 2 hooks are

securely fastened to the

bottom frame.

Step Procedure Points

Hook

(R21837)

Hook

Bottom frame

(R21838)

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