Instruction d'utilisation Greenheck Fan OFSD-312

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Model OFSD-312
Out of Wall Combination Fire Smoke Dampers
Application
Steel Airfoil Blades
Model OFSD-312 is an ‘out of the wall’ high performance combination
UL 555S Leakage Class I
fire smoke damper with class II leakage. OFSD-312 is approved for
1
use in walls, partitions, and floors with fire resistance ratings less than
UL555 1 ⁄2 Hour Fire Resistance Rating
3 hours. Removal of wall grille allows access to actuator and other
Horizontal or Vertical Mount
components. High strength airfoil

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Pressure Drop Data OFSD-312 This pressure drop testing was conducted in accordance with AMCA Standard 500-D using the three configurations shown. All 3 3 data has been corrected to represent standard air at a density of .075 lb/ft (1.201 kg/m ). Actual pressure drop found in any HVAC system is a combination of many factors. This pressure drop information along with an analysis of other system influences should be used to estimate actual pressure losses for a damper installed in a given HVAC

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5D 6D AMCA 5.2 Pressure Drop OFSD-312 5D 4 (W) (H) D 3.14 * 36x36 12x48 * Sizes are in inches. 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36in. x 36 in. (914mm x 914mm) 12in. X 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm) Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) 500 0.03 500 0.0

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AMCA 5.3 Pressure Drop OFSD-312 5D 6D * 5D 4 (W) (H) D 3.14 24x24 * Sizes are in inches. 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36in. x 36 in. (914mm x 914mm) 12in. X 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm) Pressure Drop Pressure Drop Pressure Drop Pressure Drop Pressure Drop Velocity (fpm) (in. wg) Velocity (fpm) (in. wg) Velocity (fpm) (in. wg) Velocity (fpm) (in. wg) Velocity (fpm) (in. wg) 500 0.01 500 0.01 500 0

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5D 6D 5D 4 (W) (H) D 3.14 AMCA 5.5 Pressure Drop OFSD-312 * 36x36 12x48 24x24 * Sizes are in inches. 12 in. x 12 in. (305mm x 305mm) 24 in. x 24 in. (610mm x 610mm) 36in. x 36 in. (914mm x 914mm) 12in. X 48 in. (305mm x 1219mm) 48 in. x 12 in. (1219mm x 305mm) Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop Velocity Pressure Drop (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) (fpm) (in. wg) 500 0.0

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Application Data OFSD-312 Actuator Space Envelopes The drawing below and corresponding table show the minimum dimensions required for internal actuator mounting on OFSD-312s. The standard mounting locations provide enough space for the mounting of actuators and controls plus allowing space for a grille and duct connection (see Sleeve Length below). Honeywell Actuator Space ML-4XXX series MS-4120 series Envelopes MS4XXX series ‘X’ Dim