Mitsubishi Electric MSZ-SF25VE, Руководство по обслуживанию

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OPERATING PROCEDURE PHOTOS
2. Remove the indoor electrical box
(1) Remove the panel (Refer to 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 earth wire connected to the indoor heat
exchanger from the electrical box.
(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)
CN112 (Indoor coil thermistor)
<Indoor power P.C. board>
CN211 (Indoor fan motor)
(6) Unhook the catch of the display P.C. board holder
from the nozzle.
(7) Remove the screw fixing the electrical box, then the
upper catch of the electrical box, and pull out the elec-
trical box.
When installing the electrical box, pass the lead wire
from the fan motor through so that it will not be
pinched under the electrical box.
Photo 2
Photo 3
3. Removing the indoor power P.C. board, the
switch board, the display board, the receiver
board and the indoor electronic control P.C.
board
(1) Remove the panel (Refer to 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 2.).
(4) Remove the earth wire connected to the electrical box
from the indoor power P.C. board.
(5) Disconnect the following connectors:
<Indoor electronic power P.C. board>
CN201 (Terminal block)
CN202 (To the indoor electronic control P.C. board)
(6) Remove the indoor power P.C. board.
(7) Disconnect the following connectors:
<Indoor electronic control P.C. board>
CN111 (Room temperature thermistor)
(8) Unhook the catch of the display P.C. board holder
from the electrical box (right side).
(9) 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
Indoor power
P.C. board
Upper catch
Screw of
the V.A. clamp
Display P.C. board
holder
Screw of
the electrical
cover
Electrical box
Earth wire
Screw of
the terminal block
Earth wire
Indoor electronic
control P.C. board
Screw of
the electrical box
Catch of the display P.C.
board holder
Catch of the display P.C.
board holder
B
OBH600E