Mitsubishi Electric Mr. Slim PLA-A12BA4 Service Manual page 34

OPERATING PROCEDURE
9. Removing the drain pump (DP) and float switch (FS)
(1) Remove the drain pan. (See Photo 6)
(2) Cut the hose band and remove the hose.
(3) Remove the drain pump assembly (3 screws and 2 hooks).
(4) Remove the drain pump (3 screws).
(5) Remove the float switch (2 screws).
Photo 9
Drain pump
fixing screw
10. Removing the heat exchanger
(1) Remove the drain pan. (See Photo 6)
(2) Remove the 3 screws of the piping cover, and pull out
piping cover.
(3) Remove the 2 screws of coil plate.
(4) Remove the 2 screws of the coil.
(5) Remove the screw of the coil support.
(6) Pull out the heat exchanger.
Float switch
fixing screw
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PHOTOS & ILLUSTRATIONS
Photo 8
Float switch
Hose band
Drain pump
Photo 10
Piping cover
Coil plate
Heat exchanger
fixing screw
Coil support
fixing screw
Drain pump
assembly fixing screw
Heat exchanger
Coil support