Mitsubishi Electric MSZ-FD25VA Service Manual page 37

OPERATING PROCEDURE
2. Removing the electronic control P.C. board, the
power monitor receiver P.C. board, i-see Sensor,
SW P.C. board and the terminal block
(1) Remove the panel (refer to 1.) and the corner box.
(2) Remove the screw of the V.A. clamp. Remove the V.A.
clamp and the indoor/outdoor connecting wire. (Photo
2)
(3) Remove the sensor holder from the electrical cover.
(See Photo 3)
(4) Remove the screw of the electrical cover, and then
the electrical cover. (Photo 3)
(5) Remove the earth wire connected to the indoor elec-
tronic control P.C. board from the electrical box. (Photo
3)
(6) Remove the power monitor receiver P.C. board hold-
er. (Photo 4)
(7) Pull out the i-see Sensor from the power monitor
receiver P.C. board holder.
( ) Install the i-see Sensor in its former position when
assembling it. (Photo 5)
(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 sensor holder and pull out the SW P.C.
board.
(10) Pull the electronic control P.C. board slightly toward
you from the electrical box, and disconnect TAB3 and
all the connectors on the electronic control P.C. board.
(11) Pull out the electronic control P.C. board from the
electrical box.
(12) Remove the earth wire connected to the heat
exchanger from the electrical box. (Photo 3)
(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 the terminal block cover and the terminal block
holder. (Photo 2)
(15) Remove the terminal block by sliding it.
Photo 4
Plasma power P.C. board holder
i-see Sensor
Catches of the
electrical box
Power monitor receiver
P.C. board holder
Photo 2
Drain hose
Photo 3
SW P.C. board
37
PHOTOS
Screw of the
terminal block
cover
Screw of the V.A. clamp
Earth wire to the heat exchanger
Sensor holder
Screw of the
electrical cover
Sensor holder (inside)