Honeywell AUTOMATIC CONTROL SI Edition Engineering Manual page 456

DAMPER SELECTION AND SIZING
Damper Sizing
Damper Pressure Drop
Damper Applications
............................................................................................................ 457
System Characteristics ........................................................................ 457
Damper Characteristics ....................................................................... 458
Inherent Characteristic .................................................................... 458
Installed Characteristic .................................................................... 458
Determining Damper Size ................................................................... 459
Other Damper Sizing Considerations .................................................. 461
Two-Position Control ....................................................................... 461
Modulating Control .......................................................................... 461
Oversized Damper Characteristics ...................................................... 461
Damper Performance ...................................................................... 461
Control System Sensitivity .............................................................. 461
............................................................................................................ 462
............................................................................................................ 463
Mixed Air Control ................................................................................. 463
Face and Bypass Control .................................................................... 464
Throttling Control ................................................................................. 464
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ENGINEERING MANUAL OF AUTOMATIC CONTROL