28
7. 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 4)
(3) Remove the electrical parts box. (Refer to procedure 6)
(4) Remove the fixture while pressing the right side of motor
fixture catch. (See the Photo 7)
(5) Remove the left side of the motor fixture.
(6) Loosen the set 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 7)
(7) Pull the left-hand side of the heat exchanger toward you.
(See the Photo 9)
(8) Remove the line flow fan.
Photo 7
Heat exchanger
Fan motor
Photo 9
Heat exchanger
Screws for fixture (left)
Set screw
Fixture (left)
Line flow fan
Heat exchanger
fixture (left)
Fixture (right)
Photo 8
Set screw
6. REMOVING THE ELECTRICAL BOX
(1) Remove the front panel. (Refer to procedure 2)
(2) Remove the electrical box cover. (See the Photo 2)
(3) Remove the water cut. (See the Photo 3)
(4) Pull the nozzle assembly toward you as opening the catch
of the nozzle assembly. (See the Photo 4)
(5) Disconnect the indoor/outdoor transmission wiring of TB5.
(6) Disconnect the power supply wiring of TB2.
(7) Disconnect the relay connector of MA-remote controller.
(8) Disconnect the following connector on the indoor controller
board.
CN60, CN5V, CN29, CN21, CN90, (CN3A)
(9) Disconnect the connector (FAN) on the indoor power board.
(10) Remove the ground wire fixing screw.
(11) Pull the disconnected lead wire out from the electrical box.
(12) Push up the upper fixture catch to remove the box, then
pull the lower fixture and remove it from the box fixture.
Photo 6
Screw for
ground wire
Linear
expansion valve
Terminal block (TB5)
Indoor power
board
Indoor controller board
Liquid pipe temp.
thermistor (TH22)
Gas pipe temp.
thermistor (TH23)
Fixture for
electrical box (top)
Fixture for
electrical box
(bottom)
Terminal block (TB2)
Electrical box
PHOTOS & ILLUSTRATIONS
OPERATION PROCEDURE
OCH461B
