Flow Switches And Solenoid Valves - LG MULTI V WATER MINI Engineering Manual

WATER CIRCUIT INSTALLATION

Flow Switches and Solenoid Valves

See diagrams below for suggested flow switch wiring. Also shown is wiring for solenoid valves (optional) to turn water flow on / off to the unit.
Figure 22: Water Solenoid Valve Controlled by Building Management System (BMS).
Water Water
In Out
Flow Switch
Solenoid
Valve
Figure 23: Water Solenoid Valve Controlled by Water Source Unit.
Water Water
In Out
Flow Switch
Solenoid
Valve
Figure 24: Set the DIP switches as below and turn on the power (For water solenoid valve controlled by water source unit).
ON
OFF
1 2 3
48 | WATER CIRCUIT
C_Box
C_Box
4 5 6 7
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CN_26
MAIN PCB
CN_24
CN_22
L1 L2 3(A) 3(B) 4(A) 4(B)
DDC
CN_26
MAIN PCB
CN_24
CN_22
L1 L2 3(A) 3(B) 4(A) 4(B)
ON
OFF
1 2 3
INTERNET
BMS
4 5 6 7