Engineering Manual o.. - HVAC.Amickracing

INDOOR AIR QUALITY FUNDAMENTALSFigure 8 shows how dynamic data can assist an operator.This display provides the operator/engineer with the actualoperating values, at that instant, embedded in the sequence ofoperations and allows the operator to adjust setpoints and reviewresults in real time. This is one of many operator displays thatcan be designed to facilitate operator understanding and controlof IAQ.AHU 3 DISCHARGE AIR STATIC PRESSURE CONTROLMAXIMUM2.0 INCHESSETPOINTPROGRAM: IF 2 OR LESS VAV BOXES ARE FULL OPEN, DECREMENT THESTATIC PRESSURE SETPOINT 0.2 INCHES EVERY 2.0 MINUTES.IF 4 OR MORE VAV BOXES ARE FULL OPEN, INCREMENT THE STATICPRESSURE SETPOINT 0.2 INCHES EVERY 2.0 MINUTES.Fig. 8 Operator Graphic with Dynamic Data embedded in the Text Sequence.M10483ENGINEERING MANUAL OF AUTOMATIC CONTROL158