Mitsubishi City Multi Series PLFY-P08NCMU-E Technical & Service Manual page 32

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OPERATING PROCEDURE
9. Removing the drain pump (DP) and drain sensor (DS)
(1) Remove the panel. (Refer to procedure 3 )
(2) Remove the drain pan. (Refer to procedure 6)
(3) Remove the 2 screws fixed to the control box cover, and
remove the control box cover.
(4) Remove the connectors of the (CNP) and the (CN31)
from the indoor controller board.
(5) Remove the 1 screw fixed to the cover, and remove the
cover. (See Photo 7)
(6) Disconnect the lead wires to the direction of the drain
pump.
(7) Remove the 3 screws of the drain pump. (See Photo 8)
(8) Cut the drain hose fixing band, pull out the drain hose
from the drain pump.
(9) Pull out the drain pump.
(10) Remove the drain sensor and the holder.
10. Removing the heat exchanger
(1) Remove the panel. (Refer to procedure 3 )
(2) Remove the drain pan. (Refer to procedure 6)
(3) Remove the nut and the washer from the turbo fan, and
remove the turbo fan.
(4) Remove the 2 screws fixed to the control box cover, and
remove the control box cover.
(5) Disconnect the connectors of the (FAN) from the indoor
controller board.
(6) Remove the 3 screws fixed to the piping cover, and remove
the piping cover. (See Photo 9)
(7) Remove the pipe temperature thermistor/liquid and
condenser/evaporator temperature thermistor. (Refer to
procedure 7)
(8) Disconnect the lead wires to the direction of the fan motor.
(9) Remove 1 coil support screw, 2 inside coil screws (See
Photo 10), and 4 outside coil screws (See Photo 9) from
the heat exchanger, and remove the heat exchanger.
OCH410D
PHOTOS & ILLUSTRATIONS
Photo 7
Control box
Photo 8
Drain sensor (DS)
Drain
hose
Screw
Fixing band
Screws of
Photo 9
piping cover
Piping cover
Photo 10
Coil
support
32
Lead wires
Drain pump (DP)
Control box
Control box
Lead wires
Coil screws
Heat exchanger
Coil
support Screw
Cover
Screw
Screws
Coil
screws

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