Greenheck Fan Ventilation Hood FSD 311V User Manual

model Fsd-311V  
Combination FIRe smOKe dAmPeRs  
Steel Airfoil Blades  
UL 555S Leakage Class I  
UL555 1 1/2 Hour Fire Resistance Rating  
APPLICATION  
Model FSD-311V is a vertical blade class I leakage rated combi-  
nation fire smoke damper. High strength airfoil blades ensure the  
lowest resistance to airflow in HVAC systems with velocities to 4000  
fpm (20.3m/s) and 4 in. wg (1.0 kPa).  
Model FSD-311V meets the requirements for fire  
dampers, smoke dampers and combination fire  
smoke dampers established by:  
RATINgs  
National Fire Protection Association  
NFPA Standards 80, 90A, 92A, 92B, 101 & 105  
IBC International Building Codes  
ICBO uniform Building Codes  
UL 555 Fire Resistance Rating:  
Fire Rating:  
1½ hours  
Dynamic Closure Rating: Actual ratings are size dependent  
Max. Velocity:  
Max. Pressure:  
up to 4000 fpm (20.3 m/s)  
4 in. wg (1 kPa)  
CsFm California state Fire marshal  
Fire Damper Listing (#3225-0981:103)  
Leakage (Smoke) Damper Listing (#3230-0981:104)  
UL555S Leakage Rating:  
Leakage Class:  
I
New York City (MEA listing #260-91-M)  
Operational Rating:  
Max. Velocity:  
Max. Pressure:  
Actual ratings are size dependent  
up to 4000 fpm (20.3m/s)  
4 in. wg (1 kPa)  
Maximum Temperature: 350°F (177°C)- depending upon  
“uL CLAssIFIed (see complete marking on  
product)”  
“uL CLAssIFIed to Canadian safety standards  
(see complete marking on product)”  
Standard 555 & 555S (Listing #R13317)  
the actuator  
sTANdARd CONsTRuCTION  
Frame:  
5 in. x 1 in. (127mm x 25mm)  
galvanized steel hat channel with  
reinforced corners. A low profile  
head and sill are used on sizes less  
than 17 in. (432mm) high to  
maximize free area and  
performance.  
Blades:  
seals:  
Double skin airfoil shape of  
galvanized steel with full length  
structural reinforcement. 14 ga.  
(2 mm) equivalent thickness.  
Extruded silicone rubber blade  
seals. Flexible stainless steel jamb  
seals.  
W*  
Closure device:  
Linkage:  
Axles:  
Bearings:  
RRL 165°F (74°C)  
Concealed in jamb.  
1/2 in. (13mm) dia. plated steel.  
304 stainless steel  
sIze LImITATIONs:  
minimum size:  
6 in. W x 8 in. H  
(152mm W x 203mm H)  
maximum size-  
Single Section:  
H*  
50 in. W x 32 in.H  
(1270mm W x 813mm H)  
100 in. W x 32 in. H  
(2540mm W x 813mm H)  
Multiple Section:  
OPTIONAL FeATuRes  
• OCI (Open closed indication switches)  
• Electric or pneumatic actuators to accomplish smoke  
management and system functions.  
Transitions (R, C, O)  
• POC retaining angles  
• Momentary Switch  
• Sealed transitions and sleeves  
*W&H dimensions furnished approximately 1/4 in. (6mm) undersize.  
• RRL/OCI (Open closed indication switches)  
• 165ºF (74°C), 212ºF (100°C), 250ºF (121°C), 350ºF (177°C) RRL's  
available  
• TOR (remote override closure allows damper to perform smoke  
management functions during a fire emergency.)  
• PRV (pneumatic relief valve)  
• Security Bars  
• Sealed transitions and sleeves  
Installation instructions available at www.greenheck.com  
 
AmCA 5.2 Pressure drop  
Fsd-311V  
5D  
12x12  
24x24  
* Sizes are in inches.  
12 in. x 12 in. (305mm x 305mm)  
24 in. x 24 in. (610mm x 610mm)  
Velocity  
(fpm)  
Pressure Drop  
(in. wg)  
Velocity  
(fpm)  
Pressure Drop  
(in. wg)  
500  
0.03  
0.12  
0.26  
0.46  
0.72  
1.04  
1.41  
1.84  
500  
0.01  
0.06  
0.12  
0.22  
0.34  
0.49  
0.67  
0.87  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
 
AmCA 5.3 Pressure drop  
Fsd-311V  
5D  
6D  
24x24  
12x12  
* Sizes are in inches.  
12 in. x 12 in. (305mm x 305mm)  
24 in. x 24 in. (610mm x 610mm)  
Pressure Drop  
Pressure Drop  
Velocity (fpm)  
(in. wg)  
Velocity (fpm)  
(in. wg)  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.01  
0.06  
0.13  
0.23  
0.37  
0.53  
0.73  
0.95  
500  
0.01  
0.02  
0.06  
0.10  
0.16  
0.23  
0.32  
0.42  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
 
AmCA 5.5 Pressure drop  
Fsd-311V  
4
24x2  
12x12  
* Sizes are in inches.  
12 in. x 12 in. (305mm x 305mm)  
24 in. x 24 in. (610mm x 610mm)  
Velocity  
(fpm)  
Pressure Drop  
(in. wg)  
Velocity  
(fpm)  
Pressure Drop  
(in. wg)  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.04  
0.18  
0.42  
0.75  
1.17  
1.68  
2.29  
2.09  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.03  
0.13  
0.29  
0.52  
0.81  
1.17  
1.60  
2.14  
 
Transitioned damper dimensions  
When a combination fire smoke damper is being used in conjunction with round or oval ductwork, the FSD-311V can be  
supplied in a factory sleeve with round or oval transitions on both ends of the sleeve. Dampers should be ordered to the duct  
dimensions. Drawings below show overall damper size.  
D*+  
2 in. (51mm) +T  
s
W*+ 2 in. (51mm)+T  
s
W*+ 2 in. (51mm)+T  
s
D*+ 2 in. (51mm)+T  
s
H*+ 2 in. (51mm)+T  
H*+ 2 in. (51mm)+T  
s
s
H*  
H*  
21/8in.  
21/8in.  
(54mm)  
21/8in.  
(54mm)  
(54mm)  
*
W
W*  
D*  
16 in. (406mm)  
Min.  
16 in. (406mm)  
Min.  
16 in. (406mm)  
Min.  
TYPE R  
TYPE O  
TYPE C  
These dimensions are furnished approximately 1/4 in. (6mm) undersize, except round and oval dimensions which are approximately 1/8 in. (3mm) undersize.  
*
T
= (2)(Sleeve Thickness)  
s
specifications  
Combination Fire Smoke Dampers meeting the following  
specifications shall be furnished and installed where shown on  
plans and/or as described in schedules. Dampers shall meet the  
requirements of NFPA 80, 90A, 92A, 92B, 101 & 105 and further shall  
be tested, rated and labeled in accordance with the latest edition of  
UL Standards 555 and 555S. Dampers shall have a UL555 fire rating  
of 1½ hours and be of low leakage design qualified to UL 555S  
Leakage Class I.  
reinforced corners. Bearings shall be 304 stainless steel rotating  
in extruded holes in the damper frame. Blade edge seals shall be  
silicone rubber designed to inflate and provide a tighter seal against  
leakage as pressure on either side of the damper increases. Jamb  
seals shall be stainless steel compression type. Blades shall be  
completely symmetrical relative to their axle pivot point, presenting  
identical resistance to airflow in either direction or pressure on  
either side of the damper.  
Each damper/actuator combination shall have a UL555S elevated  
temperature rating of 250°F (121º C) minimum and shall be rated to  
operate at maximum design air flow at its installed location. Each  
damper shall be supplied with an appropriate actuator installed by  
the damper manufacturer at the time of damper fabrication. Damper  
actuator shall be (specifier select one of the following) electric type  
for 120 (or 24) Volt operation or pneumatic type for 25 psi minimum  
(30 psi maximum) operation.  
Damper must be rated for mounting vertically (with blades running  
vertical) and be UL 555S rated for leakage and airflow in either  
direction through the damper. Each damper shall be supplied with  
165°F (74°C) RRL.  
The Damper manufacturer's submittal data shall certify all air  
performance pressure drop data is tested in accordance with the  
AMCA Certified Ratings Program for Test Figures 5.2, 5.3, and 5.5.  
Damper air performance data shall be developed in accordance with  
the latest edition of AMCA Standard 500-D.  
Damper blades shall be of the double skin airfoil type and shall have  
an equivalent metal thickness of 14 ga. (2mm). Damper frame shall  
be galvanized steel formed into a structural hat channel shape with  
The basis of design is Greenheck Model FSD-311V.  
Copyright ©2007 Greenheck Fan Corporation  
FSD-311V Rev. 3 June 2007  
 

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