LG ARNU09GTSA4 Installation Manual page 16

Installation
3. Group Control 3
n Mixture connection with indoor units and Fresh Air Intake Unit
FAU
Master
°C / °F (5 s) °C / °F (5 s)
TIME (3 s) TIME (3 s)
Master
h In case of connecting with standard indoor unit and Fresh Air Intake Unit, separate Fresh
Air Intake Unit with standard units. (N, M ≤ 16) (Because setting temperature are different.)
h Other than those, it is same with Group Control 1.
FAU FAU
16 Indoor Unit
or
FAU
Slave
N
Display Error Message
Standard Standard
LGAP Network System
Master Slave
Display Error Message
Master
FAU FAU Standard
* FAU : Fresh Air Intake Unit
Standard: Standard Indoor Unit
GND
Signal
12 V
M
Standard