Greenheck Fan Ventilation Hood SSFSDR 512 User Manual

SSFSDR-512  
Combination Fire Smoke Dampers  
Round Stainless Steel Blade  
UL 555S Leakage Class II  
UL555 1 1/2 Hour Fire Resistance Rating  
Application  
Model SSFSDR-512 is a combination fire smoke damper constructed  
out of 304 stainless steel with 3 round style blade. The SSFSDR-512  
has been qualified to 3000 fpm (15.2 m/s) and 4 in. wg (1 kPa) for  
operation and dynamic closure in emergency fire smoke situations.  
Model SSFSDR-512 may be installed vertically (with blades running  
horizontal) or horizontally and is rated for airflow and leakage in  
either direction.  
Model SSFSDR-512 meets the requirements for  
fire dampers, smoke dampers and combination fire  
smoke dampers established by:  
National Fire Protection Association  
NFPA Standards 80, 90A, 92A, 92B, 101 & 105  
IBC International Building Codes  
New York City (MEA listing #260-91-M)  
California State Fire Marshall  
Ratings  
UL 555 Fire Resistance Rating  
Fire Rating: 1 1/2 Hour  
Dynamic Closure Rating: Actual ratings are size dependant  
Maximum Velocity: 3000 fpm (15.2 m/s)  
Maximum Pressure: 4 in. wg (1 kPa)  
Listing #: 3225-0981:112 (fire)  
Listing #: 3230-0981:113 (smoke)  
UL 555S Leakage Rating  
Leakage Class: II  
“UL CLASSIFIED (see complete marking on  
product)”  
Operational Rating: Actual ratings are actuator dependant  
Maximum Velocity: 3000 fpm (15.2 m/s)  
Maximum Pressure: 4 in. wg (1 kPa)  
“UL CLASSIFIED to Canadian safety standards  
(see complete marking on product)”  
Standard 555 (Listing #R13317)  
Maximum Temperature: 350º F (177°C) —Depending on actuator  
Standard 555S (Listing #R13447)  
Standard Construction  
Frame/Sleeve: 20 ga. (1mm) 304 stainless steel round  
integral sleeve  
Blades: Double skin 304 stainless steel (14 ga.  
[2mm] equivalent) round style blades  
Seals: Extruded silicone rubber blade seals  
Linkage: 304 stainless steel - concealed in jamb.  
Axles: 1/2 in. (13mm) dia. 304 stainless steel.  
Bearings: 304 stainless steel sleeve type  
Fusible Link: UL listed 165ºF (74ºC) -not 304SS  
Size Limitations  
Minimum Size: 6 in. (152mm) diameter  
Maximum Size: 24 in. (610mm) diameter  
Optional Features  
• OCI (Open closed indication switches) -not 304SS  
• 165º F (74°C), 212º F (100°C), and 350º F (177°C) RRL available  
- not 304SS.  
• TOR (remote override of 165º F (74°C) closure allows damper to  
perform smoke management functions during a fire emergency)  
- not 304SS.  
D*  
• Electric or pneumatic actuators to accomplish smoke management  
and system functions.  
* Dimensions furnished approximately 1/8 in. (3mm) undersize.  
• One retainer plate required, additional retainer plate available.  
• 14 ga. (2mm) or 16 ga. (1.5mm) frame/sleeve  
Opening + 2 in. Min.  
Nut  
Retaining  
Plate Assembly  
Clamping  
Minimum Wall/Floor Opening  
Screw  
= Nominal Dia. + 7/8 in.  
1.00 in. Min. Typ.  
Clamping Screw  
Fasteners  
 

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