PERFORMANCE DATA SCD. SCD 12 in. x 12 in. Face Size. SCD 20 in. x 20 in. Face Size. Square Cone Diffuser

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1 12 in. x 12 in. Face 4 Neck Velocity (fpm) Velocity Pressure (in. w.g.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.) in. x 20 in. Face Neck Velocity (fpm) Velocity Pressure (in. w.g.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.)

2 24 in. x 24 in. Face Neck Velocity (fpm) Velocity Pressure (in. w.g.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.) Flow Rate (cfm) Throw (ft.) Performance Notes: 1. Tested in accordance with ASHRAE Standard Method of Testing for Rating the Performance of Air Outlets and Inlets. 2. Airflow is in cubic feet per minute [cfm]. 3. NC, sound pressure levels, are based on a room absorption of db re -12 Watts, and a single diffuser/grille. 4. Blanks - indicate an NC level below 1.. All pressures are in inches of water column [in. w.g.].. Pressures not listed can be calculated using the following formula: P total = P static + P velocity. Throw data is based on supply air and room air being at isothermal conditions.. Throw data is given in feet [ft] to terminal velocities of: fpm (minimum) 0 fpm (middle) 0 fpm (maximum). 9. Diffuser tested with a ceiling. If the diffuser is mounted on an exposed duct, multiply the throw in the performance table by 0.0. Does not include effects of ceiling radiation damper (-FR) Throw Diagram Plan View - Horizontal Radial Pattern For more information visit v001

3 A Adjustable Pattern Controllers, 12 in. x 12 in. Face 4 Neck Velocity (fpm) Velocity Pressure (in. w.g.) H V Flow Rate (cfm) H V Radius of Diffusion (ft) H Vertical Throw (ft) V 3 4 H V Flow Rate (cfm) H V Radius of Diffusion (ft) H Vertical Throw (ft) V H V Flow Rate (cfm) H V Radius of Diffusion (ft) H Vertical Throw (ft) V H V Flow Rate (cfm) H V Radius of Diffusion (ft) H Vertical Throw (ft) V H V Flow Rate (cfm) H V Radius of Diffusion (ft) H Vertical Throw (ft) V

4 A Adjustable Pattern Controllers, 20 in. x 20 in. Face Neck Velocity (fpm) Velocity Pressure (in. w.g.) H V Flow Rate (cfm) H V Radius of Diffusion (ft) H Vertical Throw (ft) V H V Flow Rate (cfm) H V Radius of Diffusion (ft) H Vertical Throw (ft) V H V Flow Rate (cfm) H V Radius of Diffusion (ft) H Vertical Throw (ft) V For more information visit v001

5 A Adjustable Pattern Controllers, 24 in. x 24 in. Face Neck Velocity (fpm) Velocity Pressure (in. w.g.) H V Flow Rate (cfm) H V Radius of Diffusion H Vertical Throw V V H Flow Rate (cfm) H V Radius of Diffusion H Vertical Throw V H V Flow Rate (cfm) H V Radius of Diffusion H Vertical Throw V V H Flow Rate (cfm) H V Radius of Diffusion H Vertical Throw V V H Flow Rate (cfm) H V Radius of Diffusion H Vertical Throw V H V Flow Rate (cfm) H V Radius of Diffusion H Vertical Throw V Vertical Throw Factors Ceiling Module 12"x12" /300 x "x20" /00 x 00 24"x24" /00 x 00 Cooling T Heating T - F 0 F 20 F 40 F The table lists throw factors to be applied to the vertical projections listed in the performance tables for temperature differentials other than 20 F heating differential. Performance Notes: 1. Tested in accordance with ASHRAE Standard Method of Testing for Rating the Performance of Air Outlets and Inlets. 2. Airflow is in cubic feet per minute [cfm]. 3. NC, sound pressure levels, are based on a room absorption of db re -12 Watts, and a single diffuser/grille. 4. Blanks - indicate an NC level below 1.. All pressures are in inches of water column [in. w.g.].. Pressures not listed can be calculated using the following formula: P total = P static + P velocity. Horizontal throw data is based on supply air and room air being at isothermal conditions.. Vertical throws are based on 20 F heating differential and 0 fpm terminal velocity. 9. Throw data is given in feet [ft] to terminal velocities of: fpm (minimum) 0 fpm (middle) 0 fpm (maximum).. Diffuser tested with a ceiling. If the diffuser is mounted on an exposed duct, multiply the throw in the performance table by Does not include effects of ceiling radiation damper (A-FR) Throw Diagram Plan View - Horizontal Radial Pattern Elevation View - Vertical Pattern 9

diffusers F24 PERFORMANCE DATA PERFORMANCE DATA ML-37 / ½" SLOT SPACING WIDTH / SUPPLY WITH CONTINUOUS PLENUM Throw correction multiplier for length

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