Mitsubishi Electric PCA Series Service Manual page 41

OPERATING PROCEDURE
13. Removing the heat exchanger
(1) Remove the air intake grille. (See Figure 1, 2)
(2) Remove the left and right side panels. (See Figure 3, 4)
(3) Remove the under panel. (See Photo 13)
(4) Remove the drain pan. (See Photo 14, 15, 16)
(5) Remove the pipe cover. (See Photo 17)
(6) Remove the pipe thermistors (TH2 and TH5) from each
holder. (See Photo 18)
(7) Remove the pipe band fixing screw and remove the
pipe band. (See Photo 21)
(8) Remove 3 screws from the heat exchanger and remove
the heat exchanger. (See Photo 22)
<Caution>
To avoid falling of the heat exchanger, be sure to hold
the heat exchanger by hand. For safety reasons, this
procedure must be performed by two persons.
OCH638
Photo 21
Photo 22
Heat exchanger
fixing screws
41
PHOTOS
Heat exchanger
Heat exchanger
Pipe band
Pipe band fixing
screw
Vane