Disassembly Procedure - Mitsubishi Electric Mr.SLIM PCA-M140KA Service Manual

12

DISASSEMBLY PROCEDURE

PCA-M35KA
PCA-M100KA
OPERATING PROCEDURE
1. Removing the air intake grille
(1) Slide the air intake grille holding knobs (at 2 or 3 loca-
tions) to the rear to open the air intake grille. (See Figure 1)
(2) While the air intake grille left open, push the stoppers
on the rear hinges (at 2 or 3 locations) to pull out the air
intake grille. (See Figure 2)
Figure 2
2. Removing the indoor controller board and the electrical box
(1) Remove the air intake grille. (See Figure 1, 2)
(2) Remove the beam by removing screws. (See Photo 1)
(3) Remove 2 screws from the electrical cover, and remove
the electrical cover.
(4) Remove 2 screws from the electrical box and pull the
electrical box downward.
Temporarily secure the electrical box using 2 hooks in
the back of electrical box.
(5) Disconnect the connectors on the indoor controller
board.
[Removing the electrical box]
(6) Disconnect the wires from the terminal blocks and pull
out the electrical box. (See Photo 2)
[Removing the indoor controller board]
(6) Remove the 6 supports from the indoor controller board
and remove the indoor controller board. (See Photo 3)
OCH659
PCA-M50KA
PCA-M125KA
Be careful when removing heavy parts.
hinges
Pull out the air intake grille
PCA-M60KA
PCA-M140KA
PHOTOS & ILLUSTRATIONS
Figure 1
Air intake grille
Air intake grille
holding knobs
Photo 1
Beam fixing screws
Electrical cover
Electrical cover
fixing screws
Photo 2
Electrical box
Photo 3
Room temperature
thermistor (TH1)
46
PCA-M71KA
(Photo: PCA-M125KA)
slide
Beam
Beam
fixing screw
(4 × 8 PT)
Electrical box
fixing screws
Indoor controller
Reactor (DCL)
board (I.B.)
Terminal blocks
(TB4),(TB5)