Xylem Hydrovar Instruction Manual

Hydrovar — Speed Control

SPEED CONTROL (ACTUATOR MODE) QUICK-START

GUIDE FOR FIFTH GENERATION HYDROVAR
The Hydrovar can be configured for speed control through an analog input. The controlling source can be an external
control device such as a PLC, BMS, (Building Management System) or potentiometer. For independently powered
signals, use AI2 on the X1 terminal.
1. For a 4-20 MA input signal, wire your 4-20MA signal
into X1 Terminal #5 and common on Terminal #6.
2. For a 0-10VDC input signal, wire your 0-10VDC signal
into X1 Terminal #5 and common on Terminal #6.
3. For a 0-20 MA input signal, wire your 0-20 MA signal
into X1 Terminal #5 and common on Terminal #6.

Input Signal

Positive Terminal
0-10 VDC
4-20 mA
0-20 mA
Negative Terminal
5 6
5 6
5 6
INSTRUCTION MANUAL
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