proto
economizer fan vfd freq sensor point
implements
economizer |
Duct to access fresh outside air only for economizing, not ventilation |
---|---|
fan |
Fan equipment or control point |
freq |
Occurrences per unit time |
point |
Data point such as a sensor or actuator |
sensor |
Point is a sensor, input, AI/BI |
vfd |
Variable-frequency drive |
vfd-freq |
VFD frequency measured in "Hz" |