OB274-45
OPERATING PROCEDURE
PHOTOS
12-2. MS12TN MS15TN MS17TN
INDOOR UNIT
Photo 1
Front panel
Screws
1. Removing the front panel
(1) Remove the screw caps at the bottom of the front panel.
Remove the screws.
(2) Pull the panel down to your side slightly and unhook the
catches at the top.
Photo 2
2. Removing the electronic control P.C. board, the
receiver P.C. board and the display P.C. board
(1) Remove the front panel. (Refer to 1)
(2) Remove the electrical cover.
(3) Remove the screw of the terminal cover.
(4) Remove the screw of the terminal block.
(5) Unhook the catch of the lamp holder.
(6) Remove the receiver holder and the receiver P.C. board.
(7) Remove the screw of the ground wire.
(8) Disconnect all the connectors and all the lead wires on the
electronic control P.C. board.
(9) Remove the electronic control P.C. board and display P.C.
board.
Screw of
the termi-
nal block
Indoor coil thermistor
Indoor
electronic
control
P.C. board
Screw of the
ground wire
Receiver
holder
Receiver
P.C. board
Display
P.C. board
Lamp
holder