LG Multi V Installation Manual page 19

3. Group Control 3
n Mixture connection with indoor units and Fresh Air Intake Unit
FAU
Master
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
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
FAU
Slave
N
Display Error Message
FAU Standard Standard
LGAP Network System
or
Master
Display Error Message
Master
FAU
Installation
GND
Signal
Slave
12 V
M
FAU Standard Standard
* FAU : Fresh Air Intake Unit
Standard: Standard Indoor Unit
Installation Manual 19