ENGINEERING MANUAL OF AUTOMATIC CONTROL
INDOOR AIR QUALITY FUNDAMENTALS
169
Figure 8 shows how dynamic data can assist an operator. This
display provides the operator/engineer with the actual operating
values, at that instant, embedded in the sequence of operations
and allows the operator to adjust setpoints and review results in
real time. This is one of many operator displays that can be
designed to facilitate operator understanding and control of IAQ.
Fig. 8 Operator Graphic with Dynamic Data embedded in the Text Sequence.
PROGRAM: IF OR LESS VAV BOXES ARE FULL OPEN, DECREMENT THE
STATIC PRESSURE SETPOINT kPa EVERY MINUTES.
IF OR MORE VAV BOXES ARE FULL OPEN, INCREMENT THE STATIC
PRESSURE SETPOINT kPa EVERY MINUTES.
0.5
2
0.05
0.05
2.0
4
2.0
MAXIMUM
kPa
SETPOINT
M15128
AHU 3 DISCHARGE AIR STATIC PRESSURE CONTROL
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