Disassembly Procedure - Mitsubishi Electric PLFY Series Service Manual

8

DISASSEMBLY PROCEDURE

INDOOR UNIT
PLFY-P63VKM-A
OPERATING PROCEDURE
1. Removing the air intake grille
PUSH
(1) Press the button.
(2) Open the intake grille 90°.
(3) Remove the chip.
(4) Slide the shaft in the hinge to the left and remove the
intake grille.
2. Removing the fan guard
(1) Open the intake grille.
(2) Remove the 4 screws of the fan guard.
3. Removing the electrical parts box
(1) Remove the fan guard.
(2) Disconnect the lead wire of the vane motor from the clamp,
and disconnect the red connector (10P).
(3) Remove 2 of 4 screws from the electrical parts cover.
(4) Remove the electrical parts cover.
(5) Disconnect the following connectors from the box.
Red (3P) for the fan motor
White (2P) for pipe temperature detection / liquid thermistor
Black (2P) for pipe temperature detection / gas thermistor
Blue (2P) for the drain pump
White (3P) for the drain sensor
(6) Disconnect the green anti-falling wire of the electrical parts
box.
(7) Remove 3 of 4 screws from the electrical parts box, and
loosen the other screw.
(8) Pull out the electrical parts box.
Electrical parts inside the box
Terminal block
Indoor fan capacitor
Room temperature thermistor
Indoor controller board
4. Removing the fan motor
(1) Remove the fan guard.
(2) Remove the turbo-fan nut and radiator aluminum cap.
(3) Pull out the turbo fan.
(4) Disconnect the connector of the fan motor lead wire.
(5) Remove the 3nuts of fan motor.
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Be careful on removing heavy parts.
PHOTOS&ILLUSTRATIONS
Figure 1
PUSH button
Photo 1
Fan guard Fan guard screw
Screws
Photo 2
Photo 3
Screws
Connector
Electrical box
Room
temperature
thermistor
Radiator
aluminum cap Anti-falling wire Terminal block
Photo 4
Connector Fan motor
nut
Shaft
Intake grille
Box
cover
Clamp
Lead wire for
vane motor
Indoor
controller
board
Capacitor
Nut Connector