Honeywell AUTOMATIC CONTROL Engineering Manual page 462

DAMPER SELECTION AND SIZING
Damper Sizing
Damper Pressure Drop
Damper Applications
ENGINEERING MANUAL OF AUTOMATIC CONTROL
............................................................................................................ 463
System Characteristics ........................................................................ 463
Damper Characteristics ....................................................................... 464
Inherent Characteristic .................................................................... 464
Installed Characteristic .................................................................... 464
Determining Damper Size ................................................................... 465
Other Damper Sizing Considerations .................................................. 467
Two-Position Control ....................................................................... 467
Modulating Control .......................................................................... 467
Oversized Damper Characteristics ...................................................... 467
Damper Performance ...................................................................... 467
Control System Sensitivity .............................................................. 467
............................................................................................................ 468
............................................................................................................ 469
Mixed Air Control ................................................................................. 469
Face and Bypass Control .................................................................... 470
Throttling Control ................................................................................. 470
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