LG ARNU48GBRZ4 Installation Manual page 8

Installation
4. The Control System
1) In case of connecting with Standard indoor units, Standard indoor unit should be a master unit.
Separate Fresh Air Intake Unit with Standard indoor units
Set only one of Standard indoor units to Master,
2) In case of using central remote controller, mixture of indoor units and Fresh Air Intake Unit in
same zone is not possible.
Separate Fresh Air Intake Unit zone with Standard indoor units zone.
FAU
48 kBtu/h
ZONE 1
5. Cycle check and SVC
For Fresh Intake Unit cycle check and SVC, LG MV 5.8 or later version should be used.
8 Indoor Unit
FAU Standard
Slave
Set one of the Standard Indoor Unit to Master
Standard Standard
FAU
48 kBtu/h 48 kBtu/h 48 kBtu/h
ZONE 2
Standard Standard
FAU
48 kBtu/h
* FAU : Fresh Air Intake Unit
Standard: Standard Indoor Unit
Standard Standard
FAU
48 kBtu/h 48 kBtu/h 48 kBtu/h
ZONE 1 ZONE 2