LG ARNU483TMC2 Installation Manual page 21

3. Group Control 3
Mixture connection with indoor units and Fresh Air Intake Unit
FAU
Master
Display Error Message
Master
In case of connecting with standard indoor unit and Fresh Intake Unit, separate Fresh Air Intake
Unit with standard units.
(Because setting temperature are different.)
Other than those, it is same with Group Control 1.
FAU FAU
FAU
Slave
Standard Standard
LGAP Network System
Master
Master
FAU FAU
* FAU : Fresh Air Intake Unit
Standard: Standard Indoor Unit
Installation Manual 21
Installation
GND
Signal
Slave
12 V
Standard Standard