Greenheck Fan SMD-302 user manual

Summary of the content on the page No. 1

SMD-302
Smoke Dampers
Steel Airfoil Blades
UL 555S Leakage Class II
Application
Model SMD-302 is a leakage rated smoke damper with extremely
Model SMD-302 meets the requirements for smoke
low leakage. The SMD-302 serves the function of both a control
dampers established by:
damper and smoke damper. High strength airfoil blades insure
lowest resistance to airflow in HVAC systems with velocities to
National Fire Protection Association
3000 fpm (15.2m/s) and 4 in. wg (1.0 kPa) Model SMD-302

Summary of the content on the page No. 2

Pressure Drop Data SMD-302 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

Summary of the content on the page No. 3

5D 6D AMCA 5.2 Pressure Drop SMD-302 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 0.01 5

Summary of the content on the page No. 4

AMCA 5.3 Pressure Drop SMD-302 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 0.01

Summary of the content on the page No. 5

5D 6D AMCA 5.5 Pressure Drop SMD-302 5D 4 (W) (H) D 3.14 36x36 12x48 24x24 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 0.04 500 0.03 500 0.03 500 0.0

Summary of the content on the page No. 6

Application Data Damper Sideplate and Sleeve Dimensional Data The drawings below illustrate the factory standard sideplate and sleeve mountings for the SMD-302. The standard "A" dimen- sions listed in the table provide adequate space for the mounting of actuators and controls. 1 3 1 /2" max. If space constraints are a problem the "A" dimension can be varied between 5 /8 in. (136mm) and 12 in. (305mm). 3 38mm max Sleeve 1 1 /2" max. Sideplate "A" Dimension 3 in. (mm) 3 /4" Sleeve Sideplate Standa

Summary of the content on the page No. 7

Damper Sizing Information Dampers larger than maximum single section size are supplied as a factory assembly of two or more sections of equal size. The following figures show damper sections and assemblies that have been qualified for operation with a single actuator. Larger sizes can be accommodated using multiples of these assembles. Double Section Single Section 50 in. 50 in. (1270mm) (1270mm) 50 in. (1270mm) 96 in. (2435mm) 32 in. (813mm) 32 in. (813mm) 64 in. (1626mm) 32 in. (813mm