Installation manual
Page 38 IM-487
Face and Bypass Dampers
Face and bypass dampers are available in a flat arrangement
for use with heating coils and standard face area cooling
coils, as well as a staggered arrangement for large face area
cooling coils. The damper sets are linked through a jack shaft
for connection to a single actuator (factory or field installed).
Figure 41. Face and Bypass Dampers - RDS 800-802 only
Figure 42. Face and Bypass Dampers - Staggered Arrangement - RAH 47-77 only
Airflow
.75"
(19mm)
90∞
Stroke
Face Dampers
Open
Face Dampers
Closed
3.00"
(76mm)
Face and
Bypass
Damper
.75"
(19mm)
Open
Closed
.25"
(6mm)
90∞
Stroke
3.00"
(76mm)
Airflow
Bypass Damper
Face Damper