LG multi V ARUB160BT3 Instruction Manual page 29

Installation of Zoning Control
Some indoor unit can be connected to one port of HR unit.
Zoning control group 1
(MAX 8 Indoor Units)
Changeover under control
WARNING
• A branch pipe of HR unit allows up to 14.5kW(48kBtu/h) based on cooling capacity of the indoor
unit.
(up to 14.5kW(48kBtu/h) for max installation)
• The maximum total capacity of indoor units connected to a PRHR041 HR unit is 58kW(192kBtu/h).
• The maximum number of indoor units connected to a PRHR041 HR unit are 32 indoor units.
(The Maximum indoor units per a branch pipe of HR unit are 8 indoor units)
• There is not operate "Auto-changeover" & "Mode override" function in the zoning group.
• When there are operating indoor units on cooling(heating) mode, another indoor units arenʼt
changed on heating(cooling) mode in the zoning group.
HR unit
sealing
Auto changeover
Refrigerant piping installation
HR unit
Zoning control group 2
(MAX 8 Indoor Units)
Changeover under control
Installation Manual 29