Service manual

OPERATING PROCEDURE
PHOTOS
2. Removing the electronic control P.C. board, the
power monitor receiver P.C. board, SW P.C. board
and the terminal block
(1) Remove the horizontal vane, the panel (refer to 1.) and the
corner box.
(2)
Remove the screw of the conduit cover, and conduit cover.
(Photo 2 or Photo 3)
(3) Remove the indoor/outdoor connecting wire.
(4) Remove the switch holder from the electrical cover. (Photo
4)
(5) Remove the screw of the electrical cover, and then the
electrical cover. (Photo 4)
(6) Remove the ground wire connected to the indoor electronic
control P.C. board from the electrical box. (Photo 5)
(7) Unhook the power monitor receiver P.C. board holder from
the catch. (Photo 4)
(8) Open the rear cover of the power monitor receiver P.C.
board holder and pull out the power monitor receiver P.C.
board.
(9) Open the switch holder and pull out SW P.C. board.
(10) Pull the electronic control P.C. board slightly toward you
from the electrical box, and disconnect TAB3, TAB4 and all
the connectors on the electronic control P.C. board. (LD101
and LD105 are direct-mounted to the electronic control P.C.
board.)
(11) Pull out the electronic control P.C. board from the electrical
box.
(12) Remove the ground wire connected to the heat exchanger
from the electrical box. (Photo 5)
(13) Unhook the catches of the electrical box, and pull out the
electrical box.
(14) Remove the screw of the terminal block cover, and then
remove the terminal block cover and the terminal block
holder. (Photo 6)
(15) Remove the terminal block by sliding it.
Photo 4
Photo 5
Photo 6
3. Removing the electrical box
(1) Remove the horizontal vane, the panel (refer to 1.) and the
corner box.
(2) Remove the screw of Conduit cover, and then the indoor/
outdoor connecting wire. (Photo 2 or Photo 3)
(3) Remove the switch holder and the electrical cover. (Photo 4)
(4) Remove the ground wire connected to the heat exchanger
from the electrical box. (Photo 5)
(5) Disconnect the following connectors on the electronic
control P.C. board; the fan motor connector <CN211>, the
indoor coil thermistor connector <CN112>, the vane motor
connector <CN151>. (Photo 5)
(6) Unhook the catches of the electrical box, and pull out the
electrical box.
22
Indoor coil thermistor
connector (CN112)
Indoor fan motor
connector (CN211)
Vane motor
connector (CN151)
Ground wire
Screw of the
electrical cover.
Switch holder
Power monitor
receiver
P.C. board holder
Screw