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12
DISASSEMBLY PROCEDURE
PLH-3AAKH
OPERATING PROCEDURE
1. Removing the air intake grille
(1) Slide the knob of air intake grille to the direction of the
arrow 1 to open the air intake grille.
(2) Remove the string hook from the panel to pretend the
grille from dropping.
(3) Slide the shaft in the hinge to the direction of the arrow2
and remove the air intake grille.
2. Removing the room temperature thermistor
(1) Remove the screw( 1) in the room temperature thermistor
holder to remove the holder and the room temperature
thermistor.
(2) Remove the 1 screw from the bell mouth, and unscrew the
another 2 screws (fixed to the oval hole which has different
diameter) to remove the bell mouth.
(3) Hold the holder claw, and remove the room temperature
thermistor and holder.
(4) Disconnect the connector (red) in the indoor control board.
3. Removing the electrical box
(1) Disconnect the lead wire of the vane motor from the clamp,
and disconnect the white connector (10P).
(2) Remove the room temperature thermistor with the holder.
(3) Remove the bell mouth.(See photo 1)
(4) Disconnect the relay connector in the electrical box.
Red (3P) for fan motor power supply
Green (6P) for auxiliary heater
(5) Disconnect the connector on the indoor controller board in
the electrical box.
White (2P) for pipe temperature detecting thermistor
Blue (2P) for drain pump
White (3P) for drain sensor
(6) Remove the 3 screws from the electrical box, loosen
another 2 screws to remove the box.
<Electrical parts in the electrical box>
Indoor controller board
Power supply board
Terminal block
Capacitor
Heater contactor
Be careful on removing heavy parts.
PHOTOS&ILLUSTRATIONS
Figure 1
Air intake grille
Air intake grille knob
Photo 1
Bell mouth
Photo 2
Turbo fan
Electrical
box
Power
supply
board
Indoor controller board
76
Grille
Room
temperature
thermistor
Air intake grille
Nut
Capacitor
Terminal
Connector
Screws
Heater
contactor
block
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