WebModel OFSD-212 is approved for use in walls, partitions, and floors with fire-resistance ratings less than three hours. This damper allows for easy access through the grille to the damper, closure device, and actuator. Pressure: Up to 6 in. wg Velocity: Up to 2000 fpm Temperature: Up to 350°F Out of Wall Fire Smoke Dampers GFSD-211 OFSD-211 WebModel DFDR-510 is a dynamic rated round fire damper for use in HVAC systems that are operational in the event of a fire. This fire damper is rated for use in walls, floors, and partitions with less than 3 hour fire resistance rating and can be mounted vertically or horizontally. Diameter Minimum Size Maximum Size Inches 4 24 mm 102 610 Size ...
Installation, Operation and Maintenance Manual - Greenheck-USA
WebENERGY STAR® rated. Virtually silent EC motor with 3 high speeds (50-80-110 CFM) Constant CFM technology. Plug and play sensors available (Humidity, CO2 and Motion) 4”, 5” or 6” duct connector. Easy installation bracket. Two speed capable with integral time delay. Compatible with CRD-300WT, a UL263 certified Ceiling Radiation. WebGreenheck is not responsible for any damage to, or failure of the unit caused by incorrect field wiring. To avoid causing death or serious bodily harm to building occupants, follow all instructions carefully. Dampers must close completely to preserve the integrity of the fire smoke separation. Smoke Damper Installation 2 Smoke Dampers bing arabic search
Installation, Operation and Maintenance Manual - Greenheck …
Webclassification of the fire damper assembly. However, the sealant can be used along any seams of a fire rated damper assembly (except along blade edges) to help prevent air leakage in high pressure applications. The general installation of a fire rated damper is addressed in the UL 555 (Standard for Fire Dampers Seventh Edition July 12, 2006) WebApr 11, 2024 · Greenheck’s Virtual HVAC University provides engineers of all levels courses offering practical, relevant knowledge including the latest HVAC trends, applications, standards and codes. ... Developed to provide basic information on life safety dampers, this course discusses fire, fire smoke, smoke, and ceiling radiation dampers … WebFire Rating: 11/2 hours Model FD-150 is a static rated fire damper approved for use in floors, walls, and partitions with fire resistance ratings less than 3 hours. This model carries a 11/2 hour UL fire damper label. UL 555 classifies static rated fire dampers for use in HVAC systems that are automatically shut down in the event of fire. FD-150 cytoflex s system id