LG AC Smart - Page 30

2. AC Smart Installation
AC Smart
2-15
3. Pull out the RS485 line through the hole of the rear panel and connect it to the terminal.
User a straight driver to connect the tow RS485 communication lines to BUS_A and BUS_B of AC
Smart.
4. Connect the UTP cable that can be connected to Internet from the rear panel of AC Smart to the
LAN port.
GND
B
A
Caution: RS485 communication cable connection
When connecting the RS485 communication cable, be careful not to mix the polarities
of the two lines.