Hitachi RCI Service Manual page 176

5 Control system
N O T E
• The symbol "■" indicates the position of the DIP switches. The figures show the setting before transmission
or after selection.
• If the ■ mark is not displayed, this indicates that the position of the pin is not affected.
The indoor unit PCB operates with five types of DIP switches and two rotary switches. The position is as follows:
LED1
LED3
LED4
164
SMGB0063 rev. 1 - 10/2010
LED indicator
This LED indicates the transmission status between the indoor unit and the
Red
remote control.
This LED indicates the transmission status between the indoor unit and the
Yellow
outdoor unit.
Red PCB power supply