Fan control has options

by Christopher Brinckerhoff | 1 September 2021 12:00 am

Greenheck Fan Corp.’s Vari-Green hand/off/auto (HOA) control has three buttons and an OLED display. A speed reference can be set at the control or passed to the motor from another source. The HOA control is for fans that accept a zero- to 10-volt speed reference. It allows local or remote control of fans with electronically commutated motors or variable frequency drives.

www.greenheck.com [1]

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