Daikin FH26NUV14 Manual de usuario

REMOVAL

PROCEDURE

SERVICE MANUAL

Indoor Unit

Non-Inverter

Ceiling Suspended Type

2.5/3/4/5/6 HP Class

Si241304

Service Manual

Removal Procedure

Indoor Unit

Indoor Models

zCooling Only

FH21NUV14

FH26NUV14

FH36NUV14

FH42NUV14

FH48NUV14

FH36NUV2S

FH42NUV2S

FH48NUV2S

Si241304

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 and 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 ......................................................10

Procedure to Remove Air Filter and Suction Grille Si241304

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

1Press the 2 tabs and

open the suction grilles.

2Press the air filter

installation panel from 2

places in the direction

of the arrow, and pull

the air filter out toward

yourself.

3Grip the suction grille

hinge strongly and

remove the suction

grille.

Suction grille

hinge

Si241304 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

1Loosen the 2 screws of

the control box cover

and remove the control

box cover.

2Remove the 2 screws

of the control box.

3Pull down the control

box and let it hang by

the 2 locations in the

rear. Electrical parts

can now be removed.

Control box cover

Control box

Rear panel

Control box

Procedure to Remove Electrical Parts and PCB Si241304

4Removal Procedure

4Disconnect all

connector mounted on

the PCB.

5Remove the PCB

installation screw.

(4 Point)

Step Procedure Points

Si241304 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

1Gently bend the support

plate located at the

center of the horizontal

blade, and detach the

center shaft.

(2 shafts provided on

Types 36, 42 and 48.)

2Then gently bend the

center of the horizontal

blade, and take both

the end shafts out of

their bearings.

∗When removing the

horizontal blade from the

bearings at both ends, be

careful not to get the blow

port thermal insulation

scratched.

Reassembling precautions

1The shaft at the right

end of the horizontal

blade is cut in D shape.

Fit this D-shaped end to

the D-profiled bearing.

Reattach the horizontal

blade at the right side

first.

Horizontal blade

D cut

Procedure to Remove Fan Rotor and Motor Si241304

6Removal Procedure

4. Procedure to Remove Fan Rotor and Motor

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 tabs of the

fan housing toward the

inside with your fingers,

and pull out the fan

housing.

2Loosen the 2 hexagon

set screws of the

intermediate bearing.

Fan housing

Intermediate

bearing

Si241304 Procedure to Remove Fan Rotor and Motor

Removal Procedure 7

3Slide the intermediate

bearing to the right and

remove the fan rotor

assy.

4Remove the 2 fan

motor fasteners.

5Remove the fan motor. ∗Finally reconnect the fan

motor connector, cover it

with the glass tube and

secure it with the tie-wrap.

Step Procedure Points

Procedure to Remove Fan Bearing Si241304

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 to remove the

fan rotor and fan motor.

1Remove the left side

panel installation screw.

2Slide the left side panel

toward the front of the

unit and remove.

3Remove the 2 bearing

installation screws and

remove the bearing.

Left side panel

Fan rotor

Left side panel

Bearing

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