OPERATING PROCEDURE
PHOTOS/FIGURES
2. Removing the Wi-Fi interface
(1) Remove the panel (Refer to section 1.) and the corner
box right.
(2) Remove the screw of the V.A. clamp.
Remove the V.A. clamp and the indoor/outdoor
connecting wire.
(3) Remove the screw of the electrical cover, and remove
the electrical cover.
(4) Disconnect the following connector (Photo 4-1, 2):
<Indoor electronic control P.C. board>
CN110 (Wi-Fi interface)
(5) Remove the lead wire of the Wi-Fi interface from the
hook of the cable guide and water cut.
3. Removing the indoor electrical box
(1) Remove the panel (Refer to section 1.) and the corner
box right.
(2) Remove the screw of the V.A. clamp.
Remove the V.A. clamp and the indoor/outdoor
connecting wire.
(3) Remove the screw of the earth plate and the earth
plate.
(4) Remove the screw of the electrical cover and remove
the electrical cover.
(5) Disconnect following connectors:
<Indoor electronic control P.C. board>
CN151 (Vane motor)
CN110 (Wi-Fi interface)
<Indoor power P.C. board>
CN211 (Indoor fan motor)
(6) Remove the lead wire of the Wi-Fi interface, and
remove the Wi-Fi interface (Refer to section 2.).
(7) Remove the screw fixing the electrical box, then
the upper catch of the electrical box, and
pull out the electrical box.
4. Removing the indoor terminal P.C. board, indoor
electronic control P.C. board, the display P.C.
board, the switch/buzzer P.C. board, and the
receiver P.C. board
(1) Remove the panel (Refer to Section 1.) and the
corner box right.
(2) Remove the screw of the V.A. clamp. Remove the V.A.
clamp and the indoor/outdoor connecting wire.
(3) Remove the indoor electrical box (Refer to section 3.).
(4) Remove the screw of the terminal block and remove
the earth wire connected to the electrical box from the
indoor electronic control P.C. board.
(5) Remove the lead wires from the connector CN10A.
(6) Remove the display P.C. board holder from the electri-
cal box.
(7) Remove the the display P.C. board, the switch/buzzer
P.C. board, and the receiver P.C. board.
(8) Remove the room temperature thermistor from the
electrical box .
Remove the indoor terminal P.C. board and the indoor
electronic control P.C. board from the electrical box.
(9) Unhook the catches of the display P.C. board holder
from the nozzle and the electrical box (right side).
(10) Open the rear cover of the display P.C. board holder
and remove the switch board, the display board and the
receiver board.
Remove the indoor electronic control P.C. board.
41
Screw of
the V.A. clamp
Screw of
the electrical cover
Earth plate
Earth wire connected
to the electrical box
Power monitor receiver SW
P.C. board holder
Wi-Fi interface
Wi-Fi interface
Wi-Fi interface
connector (CN110)
Indoor electronic
control P.C. board
Room temperature
thermistor RT11
Screw of
the terminal
block
Photo 3
Photo 4-1
Photo 4-2
Screws of the
earth plate
Hook
Electrical box
Water cover
Indoor coil ther-
mistor lead wire
Indoor fan motor
connector CN211
Indoor coil ther-
mistor connector
CN112
Vane motor
connector CN151
Room tempera-
ture thermistor
connector CN111
CN10A
OBH864
