VFD-17
Variable Frequency
Drive Controller


The VFD-17 connects to a variable frequency drive or inverter to control the speed of a motor in order to maintain a preset pressure, level, or flow.

The following menu-selectable options are available from the display and keypad:

• Control and maintain constant discharge pressure, level, or flow


• Control and maintain safe suction pressure, level, or flow


• Fully tunable PID Control for one Variable Frequency Drive or Inverter


• Fully scalable VFD speed set point and feedback displayed in either Hz or Percentage


• Fully scalable control variables displayed in PSI, %, FT, IN, GPM, FPS, or Hz


• Optional use of Start-up Minimum Speed Delay Mode


• Optional use of Start-up Line Charging Speed Control Mode


• Optional Sleep / Idle Mode with Restart and optional Pre-lube mode


• Optional Low Suction Shutdown


• Optional cascade control of up to seven fixed-speed pumps


• Optional Auto or Manual fixed-speed pump selection in cascade mode


• Easy-to-use, menu-driven setup screens -- no need for a setup computer

I/O Definitions and Features
Installation Diagram
Quick Reference Guide