LG Multi V ARUB Series - Page 29

Installation Manual 29
ENGLISH
Installation of Zoning Control
Some indoor unit can be connected to one port of HR unit.
HR unit HR unit
sealing
Changeover under control Auto changeover Changeover under control
Zoning control group 1 Zoning control group 2
(MAX 8 Indoor Units)
(MAX 8 Indoor Units)
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.
Refrigerant piping installation