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OPERATING PROCEDURE PHOTOS
1. Removing the front panel
(1) Remove the screw caps at the bottom of the front panel.
Remove the screws.
(2) Pull the down of the front panel to your side slightly and
unhook the catches at the top of the front panel.
2. Removing the electronic control P.C. board
(1) Remove the front panel. (Refer to 1)
(2) Remove the screw, remove the electrical cover.
(3) Remove the elect cover.
(4) Remove the screw on the terminal block.
(5) Unhook the catch of the lamp holder.
(6) Remove the receiver holder.
(7) Disconnect the connectors and the lead wire from 52C
relay on the electronic control P.C. board and remove the
ground and the indoor coil thermistor.
(8) Remove the electronic P.C. board.
12-2 MS12NN, MS15NN, MS17NN
INDOOR UNIT
Photo 2
Photo 1
Front panel
Screws
Screw
Terminal
block
screw
Indoor coil thermistor
Electrical
P.C. board
Ground
OB192--2.qxp 23/6/97 11:53 PM Page 41