Hitachi RCI Service Manual page 174

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
162
SMGB0063 rev. 1 - 10/2010
LED indicator
Red
Yellow
Red
This LED indicates the transmission status
between the indoor unit and the remote control.
This LED indicates the transmission status
between the indoor unit and the outdoor unit.
PCB power supply