LG Multi V Installation Manual page 20

Installation
4. 2 Remote Control
n Wired remote controller 2 + Indoor unit 1
Master
Master
1. It is possible to connect two wired remote controllers (Max.) with one indoor unit.
Set only one indoor unit to Master, set the others to Slave.
Set only one wired remote controller to Master, set the others to Slave.
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 that any error occurs at indoor unit, the error code is displayed on the wired
remote controller.
6. There isnʼt limits of indoor unit function.
If you want to use the two setpoint function, you should be installed the both new thermostat and 4
series products.
* Model name of wired remote controller called New thermostat : PREMTB10U
20 Indoor Unit
Slave
Display Error Message
Slave
LGAP Network System
or
Slave
GND
Slave
Signal
12 V