LG AC Smart Installation And Owner's Manual page 30

2. AC Smart Installation
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.
Caution: RS485 communication cable connection
When connecting the RS485 communication cable, be careful not to mix the polarities
of the two lines.
4
. Connect the UTP cable that can be connected to Internet from the rear panel of AC Smart to the
LAN port.
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AC Smart
G N D
B
A