Mitsubishi Electric PKFY-P20VAM-E Technical And Service Manual page 21

OPERATION PROCEDURE
5. REMOVING THE NOZZLE ASSEMBLY
(1) Remove the front panel (Refer to 2).
(2) Remove the electrical box cover.
(3) Disconnect the connector (CN5V) on the indoor micro con
troller board.
(4) After unhook the right side of the corner box, press the
upper left side and remove the corner box.
(5) Remove the nozzle assemble from the fixture.
(See the photo 5)
(6) Remove the drain hose.
6. REMOVING THE LINE FLOW FAN AND THE FAN MOTOR
(1) Remove the front panel. (Refer to 2)
(2) Remove the nozzle assembly. (Refer to 5)
(3) Remove the electrical parts box.
(4) Remove the fixture while pressing the right side of motor
fixture catch. (See the photo 6)
(5) Remove the left side of the motor fixture.
(6) Loosen the screw which fixes the line flow fan to the fan
motor, then remove the fan motor by sliding it to the right
side. (See the photo 6)
(7) Pull the left-hand side of the heat exchanger toward you.
(See the photo 7)
(8) Remove the line flow fan.
7. REMOVING THE VANE MOTOR
(1) Remove the front panel.
(2) Remove the screw of the electrical parts box cover, and
remove the cover.
(3) Remove the screw of the vane motor, and remove the motor
from the shaft.
(4) Disconnect the vane motor connector (CN5V) on the indoor
controller board.
8. REMOVING THE LIQUID PIPE THERMISTOR AND GAS
PIPE THERMISTOR
(1) Remove the front panel. (Refer to 2)
(2) Remove the electrical box cover.
(3) Remove the pipe cover.
(4) Cut the wiring fixed band.
(5) Remove the liquid pipe thermistor and gas pipe thermistor.
(See the photo 9)
(6) Disconnect the connector (CN29) (CN21) on the indoor
micro controller board.
PHOTOS & ILLUSTRATIONS
Photo 5
Heat exchanger
fixture
Heat exchanger
Photo 6
Line flow fan
set screws
Photo 7
Heat exchanger
fixture (left)
Photo 8
Heat exchanger
Vane motor
Vane motor connect
screws
Photo 9
Heat exchanger
Liquid pipe thermis-
tor
21
Electrical box
Drain hose
Nozzle assembly
Drain hose
fixture
Fan motor
fixture (right)
fixture (left)
fixture set screws
Drain hose
Nozzle assembly
Heat exchanger
Nozzle assembly
Gas pipe thermistor
Electrical box