Mitsubishi Electric CITY MULTY PKFY Series Technical & Service Manual page 28

OPERATION PROCEDURE
5. Removing the nozzle assembly and drain hose
(1) Remove the front panel (Refer to procedure 2).
(2) Remove the electrical box cover. (See Photo 2)
(3) Disconnect the connector (CN5V) on the indoor controller
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 assembly from the fixture.
(See Photo 5)
(6) Remove the drain hose.
6. Removing the line flow fan and the fan motor
(1) Remove the front panel. (Refer to procedure 2)
(2) Remove the nozzle assembly. (Refer to procedure 5)
(3) Remove the electrical parts box. (Refer to procedure 4)
(4) Remove the fixture while pressing the right side of motor
fixture catch. (See 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 Photo 6)
(7) Pull the left-hand side of the heat exchanger toward you.
(See Photo 7)
(8) Remove the line flow fan.
7. Removing the vane motor
(1) Remove the front panel. (Refer to procedure 2)
(2) Remove the screw of the electrical parts box cover, and
remove the cover.
(3) Remove the 2 screws of the vane motor. (See Photo 8)
Disconnect the relay connector and remove the motor
from the shaft.
(4) Disconnect the vane motor connector (CN5V) on the
indoor controller board.
8. Removing the pipe temperature detection thermistor/liquid
and the pipe temperature detection thermistor/gas
(1) Remove the front panel. (Refer to procedure 2)
(2) Remove the electrical box cover. (See Photo 2)
(3) Remove the water cut. (See Photo 3)
(4) Cut the wiring fixed band.
(5) Remove the pipe temperature detection thermistor/liquid
and the pipe temperature detection thermistor/gas.
(See Photo 9)
(6) Disconnect the connector (CN29) (CN21) on the indoor
controller board.
OCH418E
PHOTOS
Photo 5
Heat exchanger
Nozzle assembly
Fixture
Heat exchanger
Photo 6
Line flow fan
Set screws
Photo 7
Heat exchanger
Heat exchanger
fixture (left)
Photo 8
Heat exchanger
Vane motor
Vane motor fixing
screws
Photo 9
Heat exchanger
Pipe tempera-
ture detection
thermistor/gas
28
Electrical box
Drain hose
Fixture
Fan motor
Fixture (right)
Fixture (left)
Fixture set screws
Drain hose
Nozzle assembly
Nozzle assembly
Pipe temperature detection
thermistor/liquid
Electrical box