Greenheck Fan - OFSD-312

Below are all the different types of Greenheck Fan. Select the device of your choice, to download the manual

Contents

Model OFSD 312 GREENHECK Application Combination Fire Smoke Dampers Model OFSD 312 is an out of the wall high performance combination fire smoke damper with class II leakage OFSD 312 is approved for use in walls partitions and floors with fire resistance ratings less than 3 hours Removal of wall grille allows access to actuator and other components High strength airfoil blades insure the lowest resistance to airflow in HVAC systems with velocities to 3000 fpm 15 2 m s and pressures to 4 in wg 1 kPa Model OFSD 312 shall be installed vertically with blades running horizontal or horizontally and is rated for airflow and leakage in either direction Steel Airfoil Blades UL 555S Leakage Class I UL555 IV 2 Hour Fire Resistance Rating Horizontal or Ve ...