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OPERATING PROCEDURE
PHOTOS&ILLUSTRATIONS
7. Removing the indoor coil thermistor
(1) Remove the panel.(See photo 2)
(2) Remove the drain pan.(See photo 4)
(3) Disconnect the indoor coil thermistor from the holder.
(4) Remove the 3 screws fixed to the piping cover, and
remove the piping cover. (See photo 9)
(5) Remove the 2 screws fixed to the control box cover, and
remove the control box cover.
(6) Remove the connector (CN21) from the indoor controller
board, and disconnect the indoor coil thermistor.
8. Remove the fan motor
(1) Remove the panel.(See photo 2)
(2) Remove the drain pan.(See photo 4)
(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 1) and the (fan 2)
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 6 screws fixed to the flat plate, and remove
the flat plate.
(8) Disconnect the lead wires to the direction of the fan motor,
and remove the 3 nuts of the fan motor.
Photo 5
6. Remove the drain pan
(1) Remove the panel.(See photo 2)
(2) Remove the room temperature thermistor and the 2 lead
wires held with fastener; wireless controller board relay
connector (9P red) and panel relay connector (10P white).
(3) Remove the 4 screws fixed to the drain pan, and remove
the drain pan.
(4) Remove the fan guard. (See photo 1)
Photo 4
Control box
Indoor coil thermistor
Screw
Screw
Screw
Screw
Room
temperature
thermistor
Drain pan
Control box
Photo 6
Fan motor
Nut
Flat plate
Screws
Nut
Lead
wires
Nut
Screw
Screw
5. Remove the room temperature thermistor
(1) Remove the panel. (See photo 2)
(2) Pull out the room temperature thermistor from the drain
pan.
(3) Remove the 2 screws fixed to the control box cover, and
remove the control box cover.
(4) Remove the connector (CN20) from the indoor controller
board, and disconnect the room temperature thermistor.
Fan guard
Drain plug
Connectors
Screws
OC280-B-3.qxp 03.5.23 1:06 PM Page 66