proto
economizer air flow sp point
implements
| air | The mixture of gases which surrounds the earth | 
|---|---|
| economizer | Duct to access fresh outside air only for economizing, not ventilation | 
| flow | Measure of volumetric flow of fluid | 
| point | Data point such as a sensor or actuator | 
| sp | Point is a setpoint, soft point, internal control variable, schedule |