Local fire codes may require a ventilation fan
installed in a fire rated floor/ceiling or a roof/ceiling assembly to be
equipped with a specially tested and classified radiation damper, in case of a
fire. The radiation damper closes to prevent the spread of fire and heat.
Panasonic radiation dampers are designed to protect ceiling penetrations in 1.2
or 3 hour fire-rated floor/ceiling and roof ceiling designs.
UL Classified: Meet or exceed UL 555C
National Fire Protection Association: Meet or exceed NFPA-90A
PC RD05C is approved for:
FV05VQ2
FV07VQ2
FV08VQ2
FV11VQ2
FV11VQD2
Will work with wood framed ceilings or T-bar ceilings.
Panasonic ceiling radiation dampers are UL and Warnock Hersey classified to
provide fire and heat protection where HVAC components penetrate the ceiling
membrane. | 
