LG MFL42803121 Installation Manual page 23

Installation
4. 2 Remote Control
n Wired remote controller 2 + Indoor unit 1
LGAP Network System
Master
Display Error Message
Master
Slave
1. It is possible to connect two wired remote controllers with one indoor unit.
2. Every types of indoor unit is possible to connect two remote controller.
3. It is possible to use wireless remote controller at the same time.
4. It is possible to connect with Dry Contact and Central controller at the same time.
5. In case of any error occurs at indoor unit, display on the wired remote controller.
6. There isn't limits of indoor unit function.
h Maximum 2wired remote controllers can be connected with 1 indoor unit.
Installation Manual 23
23 Indoor Unit