McQuay RoofPak RDS 800C - Face and Bypass Dampers

42 McQuay IM 487-4
Introduction
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 49. Face and bypass dampers, RDS 800–802 only
Figure 50. 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
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