Greenheck FSD-311V - Manual
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Table of Contents:
- Page 2 – Pressure drop data; AmCA Test Figures
- Page 3 – AmCA 5.2 Pressure drop
- Page 4 – AmCA 5.3 Pressure drop
- Page 5 – AmCA 5.5 Pressure drop
- Page 6 – Transitioned damper dimensions; specifications
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).
RATINgs
UL 555 Fire Resistance Rating:
Fire Rating:
1½ hours
Dynamic Closure Rating:
Actual ratings are size dependent
Max. Velocity:
up to 4000 fpm (20.3 m/s)
Max. Pressure:
4 in. wg (1 kPa)
UL555S Leakage Rating:
Leakage Class:
I
Operational Rating:
Actual ratings are size dependent
Max. Velocity:
up to 4000 fpm (20.3m/s)
Max. Pressure:
4 in. wg (1 kPa)
Maximum Temperature:
350°F (177°C)- depending upon
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:
Double skin airfoil shape of
galvanized steel with full length
structural reinforcement. 14 ga.
(2 mm) equivalent thickness.
seals:
Extruded silicone rubber blade
seals. Flexible stainless steel jamb
seals.
Closure device:
RRL 165°F (74°C)
Linkage:
Concealed in jamb.
Axles:
1
/
2
in. (13mm) dia. plated steel.
Bearings:
304 stainless steel
sIze LImITATIONs:
minimum size:
6 in. W x 8 in. H
(152mm W x 203mm H)
maximum size-
Single Section:
50 in. W x 32 in. H
(1270mm W x 813mm H)
Multiple Section:
100 in. W x 32 in. H
(2540mm W x 813mm H)
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
• 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
model Fsd-311V
Combination
FIRe smOKe dAmPeRs
Steel Airfoil Blades
UL 555S Leakage Class I
UL555 1 1/2 Hour Fire Resistance Rating
*W&H dimensions furnished approximately
1
/
4
in. (6mm) undersize.
W*
H*
Model FSD-311V 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
ICBO uniform Building Codes
CsFm California state Fire marshal
Fire Damper Listing (#3225-0981:103)
Leakage (Smoke) Damper Listing (#3230-0981:104)
New York City
(MEA listing #260-91-M)
“uL CLAssIFIed (see complete marking on
product)”
“uL CLAssIFIed to Canadian safety standards
(see complete marking on product)”
Standard 555 & 555S (Listing #R13317)
Installation instructions available at www.greenheck.com
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Summary
Pressure drop data Fsd-311V This pressure drop testing was conducted in accordance with AMCA Standard 500-D using the three configurations shown. All data has been corrected to represent standard air at a density of .075 lb/ft 3 (1.2 kg/m 3 ). Actual pressure drop found in any HVAC system is a combi...
12x12 24x24 AmCA 5.2 Pressure drop Fsd-311V 5D 6D 5D D 4 (W) (H) 3.14 Velocity (fpm) Pressure Drop (in. wg) Velocity (fpm) Pressure Drop (in. wg) Velocity (fpm) Pressure Drop (in. wg) Velocity (fpm) Pressure Drop (in. wg) Velocity (fpm) Pressure Drop (in. wg) 500 0.03 500 0.01 500 0.01 500 0.01 500 ...
12x12 24x24 * Sizes are in inches. AmCA 5.3 Pressure drop Fsd-311V 5D 6D 5D D 4 (W) (H) 3.14 Velocity (fpm) Pressure Drop (in. wg) Velocity (fpm) Pressure Drop (in. wg) Velocity (fpm) Pressure Drop (in. wg) Velocity (fpm) Pressure Drop (in. wg) Velocity (fpm) Pressure Drop (in. wg) 500 0.01 500 0.01...
