LG AC Smart Installation And Owner's Manual page 102

3. AC Smart Menu
The right side of the 'Edit unit' screen, the following buttons are located.
Button
3-58
AC Smart
You can automatically register the unit through unit search.
When you enter the unit information and press this button, you can
register a new unit.
When you select the unit information and press this button, you can
delete the existing unit.
When you select the unit information and press this button, you can
edit the existing unit information.
The AC Smart and the ACP can be interconnected to be operated.
In this case, the ACP operates as master while the AC Smart
operates as slave. When the AC Smart operates as slave, you cannot
use schedule, automatic control and detailed lock functions.
Description