mixed air humidity sp point
| air | 
 The mixture of gases which surrounds the earth 
 | 
| humidity | 
 Percent relative humidity 
 | 
| mixed | 
 Duct where fresh outside air and return air is mixed together 
 | 
| point | 
 Data point such as a sensor or actuator 
 | 
| sp | 
 Point is a setpoint, soft point, internal control variable, schedule 
 |