IM 178 / Page 25
Face and bypass dampers
Face and bypass dampers are available for use with contrac-
tor heating an cooling coils. The damper sets are linked
Face and Bypass
Dampers
Optional
Contractor
Coil
Face and Bypass
Damper
Extended Shaft
Cabinet Weatherproofing
This unit ships from the factory with fully gasketed access
doors and cabinet caulking to assure weatherproof opera-
tion. After the unit has been set in place, all door gaskets
should be inspected for shipping damage and replaced if
necessary.
It is recommended the unit be protected from overhead
runoff from overhangs or other such structures.
Field assembled options such as external piping or ves-
tibules are to be recaulked per the installation instructions
provided with the option.
Figure 20.
through a jack shaft for connection to a factory or field in–
stalled actuator.
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