ventilation fan vfd speed cmd point – Project Haystack

proto

ventilation fan vfd speed cmd point

implements

cmd

Point is a command, actuator, AO/BO

fan

Fan equipment or control point

point

Data point such as a sensor or actuator

speed

Distance per unit time

ventilation

Duct to access fresh outside air only for ventilation, not economizing

vfd

Variable-frequency drive

vfd-speed

VFD speed measured in "%"