Variable Water Flow Control Kit (Required Accessory) - LG MULTI V WATER MINI Engineering Manual

WATER CIRCUIT INSTALLATION

Variable Water Flow Control Kit (Required Accessory)

Variable Water Flow Control Kit (Model No. PRVC1) allows connection of Multi V Water Mini units to a variable pumping condenser water
systems. The control board, transformer, and wiring provide connections to a field-supplied modulating water valve.
Variable Water Flow Control Kit Parts (included)
Variable Water Flow Control Kit PCB
1. CN_PWR: Power input terminal (DC 12V)
2. CN_AO: Signal output terminal to control a water flow
control valve (DC 0~10V)
3. CN_OUT: Water-source unit connector
4. BUS_A: RS-485 (+) terminal
5. BUS_B: RS-485 (-) terminal
6. SWDIP: Switch to select main function
7. SW1: Reset switch
50 | WATER CIRCUIT
Variable Water
Flow Control PCB
Cable Assembly
Screws
Due to our policy of continuous product innovation, some specifications may change without notification.
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Transformer
Terminal Block Assembly
Figure 25: Variable Water Flow Control Kit PCB Diagram.
6 7
3 2
1
4
5