Disassembly Procedure - Mitsubishi Electric PLFY-P32VAM-E Technical & Service Manual

9

DISASSEMBLY PROCEDURE

PLFY-P80VAM-E.UK
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 prevend 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 fan guard
(1) Open the air intake grille.
(2) Remove the 3 screws of fan guard.
3. Removing the room temperature thermistor
(1)Remove the fan guard.(See photo 1)
(2) Remove the screw( 1) in the room temperature thermistor
holder to remove the holder and the room temperature
thermistor.
(3) 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.
(4) Hold the holder claw, and remove the room temperature
thermistor and holder.
(5) Disconnect the connector (red) in the indoor control board.
4. Removing the electrical box
(1) Remove the fan guard.(See photo 1)
(2) Remove the lead wire of the vane motor from the clamp,
and disconnect the white connector (10P).
(3) Remove the room temperature thermistor with the holder.
(4) Remove the bell mouth.(See photo 2)
(5) Disconnect the relay connector in the electrical box.
Red (3P) for fan motor power supply
White (2P) for pipe temperature detection / liquid thermistor
Black (2P) for pipe temperature detection / gas 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 (Power supply)
Terminal block (Transmission)
Terminal block (MA remote controller)
Capacitor
Circuit(address) board
Be careful on removing heavy parts.
PHOTOS&ILLUSTRATIONS
Figure 1
Air intake grille
Air intake grille knob
Photo 1
Fan guard
Photo 2
Bell mouth
Photo 3
Turbo fan
Electrical
box
Power
supply
board
Circuit
(address)
board
Indoor controller board Connector
Connector
24
Grille
Screws
Air intake grille
Room
temperature
thermistor
Air intake grille
Nut
Capacitor
Terminal
Screws
block