In HVAC systems, which dampers are specifically labeled for use with dynamic systems?

Fire dampers are specifically designed for use with dynamic systems in HVAC applications. These dampers help to prevent the spread of fire and smoke through ductwork by closing when they detect heat, functioning automatically to maintain safety. The dynamic nature of HVAC systems means they often have varying airflows and pressures, making the ability to automatically react to changing conditions crucial for maintaining fire safety.

Fire dampers are installed where ducts penetrate fire-rated walls or floors and are mandated by building codes to ensure that, in the event of a fire, the dampers will effectively protect areas of the building from smoke and flames. This automatic operation is essential in dynamic systems that need to adapt to different operational scenarios while simultaneously maintaining safety standards.

In contrast, other types of dampers, such as manual dampers or ceiling radiation dampers, may not have the same level of automatic responsiveness or are not primarily designed for fire safety. Manual dampers require human intervention to adjust airflow and do not provide the same safety features in emergencies. Ceiling radiation dampers are used to prevent heat transfer in the event of a fire but do not operate dynamically in response to changes in the system like fire dampers do. Thus, fire dampers stand out for their dynamic capabilities in an HVAC system's safety