LG Multi V Water 5 Manual page 297

Installation of Outside Unit
8. Water Piping System
8.4 Water Solenoid Valve Control
◆ Central Control : Use DDC port
◆ Individual Control : Use 220V Out port
Water
CN_18
Water
(220 V Out)
In
Out
Solenoid
1(L) 2(N) 3(L) 4(N)
Valve
※ BMS : Building Management System
CN_18
Water
Water
(220 V Out)
In
Out
Solenoid
1(L) 2(N) 3(L) 4(N)
Valve
※ Refer to setting the function and turn on the power
When you individual control for water solenoid valve
control.
CN_22
Main PCB
(to DDC)
PI 485
BMS
DDC
CN_22
Main PCB
(to DDC)
27
Installation