H*
W*
Model FSD-211
R
APPLICATION
Model FSD-211 is a combination fire smoke damper with 3V style
blades. The FSD-211 has been qualified to 2000 fpm (10.2 m/s) and
4 in. wg (1 kPa) for operation and dynamic closure in emergency fire
smoke situations. Model FSD-211 may be installed vertically (with
blades running horizontal) or horizontally and is rated for airflow and
leakage in either direction.
Combination FIRE SMOKE DAMPERS
RATINGS
UL 555 Fi re Resistance Rating
Fire Rating: 1
Dynamic Closure Rating: Actual ratings are size dependent
Maximum Velocity: 2000 fpm (10.2 m/s)
Maximum Pressure: 4 in. wg (1 kPa)
Maximum Temperature: 350ºF (177°C) -- Depending on
actuator
UL 555S Leakage Rating
Leakage Class: I
Operational Rating: Actual ratings are actuator dependent
Maximum Velocity: 2000 fpm (10.2 m/s)
Maximum Pressure: 4 in. wg (1 kPa)
Maximum Temperature: 350ºF (177°C) - Depending on
actuator
1
⁄2 Hours
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: 16 ga. (1.5mm) galvanized steel,
reinforced with 3 longitudinal
structurally designed vee’s.
Seals: Extruded silicone rubber blade seals
Jamb Seals: Flexible stainless steel jamb seals
Linkage: Concealed in jamb.
Closure Device: UL listed 165°F (74°C) RRL
Axles:
Bearings: Bronze sleeve type
1
⁄2 in. (13mm) dia. plated steel
Steel 3-V Blades
UL 555S Leakage Class I
UL555 11⁄2 Hour Fire Resistance Rating
Model FSD-211 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)
Greenheck Fan Corporation certifies that the
model FSD-211 shown herein is licensed to bear
the AMCA Seal. The ratings shown are based on
tests and procedures performed in accordance
with AMCA Publication 511 and comply with
the requirements of the AMCA Certified Ratings
Programs. The AMCA Certified Ratings Seal
applies to air performance ratings only.
SIZE LIMITATIONS:
Minimum Size:
Maximum Size: Single Section: 32 in. W x 50 in. H
(813mm W x 1270mm H)
36 in. W x 48 in. H
(914mm x 1219mm)
Multiple Section:
Horizontal: 144 in. W x 96 in. H
(3658mm W x 2438mm H)
Vertical: 128 in. W x 100 in. H
(3251mm W x 2540mm H)
8 in. W x 6 in. H (203mm W x 152mm H)
RH
OPTIONAL FEATURES:
• RRL/OCI (Open closed indication switches)
• Electric or pneumatic actuators
• POC retaining angles
• Smoke detectors
• Momentary switch
• Pneumatic Relief Valve (PRV)
• Security bars
• TOR (remote override of 165ºF (74°C) or 212ºF (100°C) closure
allows damper to perform smoke management functions during a
fire emergency)
• 165ºF (74°C), 212°F (100°C), 250ºF (121°C), and 350ºF (177°C)
RRL's available.
• Sealed transitions and sleeves
Installation installations available at www.greenheck.com
*W&H dimensions furnished approximately ¼in. (6mm) undersize.
(Add sleeve thickness for overall sleeved damper dimension)
Right hand drive is shown. Left hand drive is available upon request.
LH
Pressure Drop Data FSD-211
5D 6D
5D
D
4 (W) (H
)
3.14
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
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
system.
3
(1.201 kg/m3).
AMCA Test Figures
Figure 5.3 Illustrates a fully ducted damper. This configuration has the lowest pressure drop of the three test configurations
because entrance and exit losses are minimized by straight duct runs upstream and downstream of the damper.
Figure 5.2 Illustrates a ducted damper exhausting air into an open area. This configuration has a lower pressure drop than
Figure 5.5 because entrance losses are minimized by a straight duct run upstream of the damper.
Figure 5.5 Illustrates a plenum mounted damper. This configuration has the highest pressure drop because of extremely high
entrance and exit losses due to the sudden changes of area in the system.
AMCA 5.2 Pressure Drop FSD-211
5D 6D
5D
D
=
4 (W) (H )
3.14
Figure 5.3
Figure 5.2
R
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 0.04 500 0.02 500 0.01 5000.01
1000 0.14 10000.07 10000.04 1000 0.06
15000.31 15000.16 15000.09 1500 0.13
2000 0.55 20000.29 20000.1620000.23
2500 0.86 25000.45 25000.2525000.36
30001.24 30000.65 30000.3630000.52
3500 1.69 3500 0.89 3500 0.49 3500 0.70
4000 2.20 4000 1.16 4000 0.64 4000 0.92
12 in. x 12 in. (305mm x 305mm)
24 in. x 24 in. (610mm x 610mm)
36 in. x 36 in. (914mm x 914mm)
12 in. x 48 in. (305mm x 1219mm)
Velocity (fpm)
Pressure Drop
(in. wg)
5000.03
1000 0.10
1500 0.23
2000 0.41
2500 0.63
3000 0.91
3500 1.24
4000 1.62
48 in. x 12 in. (1219mm x 305mm)
Greenheck Fan Corporation certifies that the
model FSD-211 shown herein is licensed to bear
the AMCA Seal. The ratings shown are based on
tests and procedures performed in accordance
with AMCA Publication 511 and comply with the
requirements of the AMCA Certified Ratings Programs. The AMCA Certified Ratings Seal applies to
air performance ratings only.
AMCA 5.3 Pressure Drop FSD-211
5D 6D
Figure 5.3
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 0.02 500 0.01 5000.01 5000.01
10000.09 10000.04 1000 0.03 1000 0.04
15000.20 1500 0.09 1500 0.06 1500 0.10
20000.36 20000.16 2000 0.11 2000 0.17
25000.56 2500 0.25 2500 0.17 2500 0.27
30000.81 30000.3530000.24 3000 0.39
3500 1.10 3500 0.48 3500 0.33 3500 0.53
40001.44 40000.63 4000 0.42 4000 0.70
12 in. x 12 in. (305mm x 305mm)
24 in. x 24 in. (610mm x 610mm)
36 in. x 36 in. (914mm x 914mm)
12 in. x 48 in. (305mm x 1219mm)
Velocity (fpm)
Pressure Drop
(in. wg)
500 0.02
1000 0.07
1500 0.16
2000 0.29
2500 0.45
3000 0.64
3500 0.88
4000 1.14
48 in. x 12 in. (1219mm x 305mm)
R
Greenheck Fan Corporation certifies that the
model FSD-211 shown herein is licensed to bear
the AMCA Seal. The ratings shown are based on
tests and procedures performed in accordance
with AMCA Publication 511 and comply with the
requirements of the AMCA Certified Ratings Programs. The AMCA Certified Ratings Seal applies to
air performance ratings only.
AMCA 5.5 Pressure Drop FSD-211
R
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)
5000.06500 0.03 5000.03 500 0.03
1000 0.22 1000 0.14 1000 0.12 1000 0.13
1500 0.50 1500 0.31 1500 0.26 1500 0.30
2000 0.89 2000 0.54 2000 0.46 2000 0.53
2500 1.39 2500 0.85 2500 0.73 2500 0.83
3000 2.00 3000 1.22 3000 1.05 3000 1.19
3500 2.72 3500 1.66 3500 1.42 3500 1.62
4000 3.55 4000 2.17 4000 1.86 4000 2.11
12 in. x 12 in. (305mm x 305mm)
24 in. x 24 in. (610mm x 610mm)
36 in. x 36 in. (914mm x 914mm)
12 in. x 48 in. (305mm x 1219mm)
Velocity (fpm)
Pressure Drop
(in. wg)
5000.04
1000 0.17
1500 0.38
2000 0.67
2500 1.04
3000 1.50
3500 2.05
4000 2.67
48 in. x 12 in. (1219mm x 305mm)
Greenheck Fan Corporation certifies that the
model FSD-211 shown herein is licensed to bear
the AMCA Seal. The ratings shown are based on
tests and procedures performed in accordance
with AMCA Publication 511 and comply with the
requirements of the AMCA Certified Ratings Programs. The AMCA Certified Ratings Seal applies to
air performance ratings only.
Application Data
5 3 / 8 in.
5 in.
Right hand drive is show n
Left hand drive available upon re quest
LH RH
A
Sleeve Length
V aries
6 in.
3 3 / 4
1 1 / 2 in.
max.
B*
S
T*
in.
Damper Sleeve Dimensional Data
The drawings below and corresponding table show the position of the FSD-211 damper when mounted in a factory sleeve.
The standard mounting locations provide enough space for the mounting of actuators, controls and allow space for
installation of retaining angles and duct connections.
The standard location of a damper mounted in a factory sleeve ("A" dimension) is shown below. The damper can be
positioned at other locations within a range of 6 in. (152mm) to 12 in. (305mm) for the "A" dimension.
in. (mm)
"A" Dimension
Standard Maximum
All Dampers* 7 3/16 (183) 12 (305)
When H is 11 in. (279mm) or
12 (305) 12 (305)
less with OCI, RRL, or TOR
*With the exception of dampers 10 in. high (254mm) or less.
NOTE: Entire damper frame is not required to be installed within the
wall. The damper blades, when closed should be contained within
the wall.
Actuators and Accessories
Space Envelopes
Externally mounted actuators always require space outside
of the damper sleeve. The “S” dimension illustrates the
clearance required for various available actuators.
On dampers less than 18 in. (457mm) high, actuators
may also require clearances above and/or below the
sleeve. “B” and “T” dimensions are worst case clearance
requirements for some dampers less than 18 in. (457mm)
high. All damper sizes under 18 in. (457mm) high do not
require these worst case clearances. If space availability
above or below the damper sleeve is limited, each damper
size should be individually evaluated.
* For dampers 18 in. (457mm) or more in height these dimensions are 0 in. .
B* T*
Actuator Type/Model
RRL, RRL/OCI, or TOR
With
RRL, RRL/OCI, or TOR
With
S
120 Volt AC
ML-4XXX Series Honeywell 5¼ in. (133mm) ¾ in.(19mm) 6 in. (152mm)
MS-4XXX Series Honeywell 6 in. (152mm) 3/8 in. (10mm) 6 in. (152mm)
MS-4120 Series Honeywell 6 in. (152mm) 3/8 in. (10mm) 6 in. (152mm)
ML-8XXX Series Honeywell 5¼ in. (133mm) ¾ in.(19mm) 6 in. (152mm)
24 Volt AC
MS-8XXX Series Honeywell 6 in. (152mm) 6 in. (152mm) 6 in. (152mm)
MS-8120 Series Honeywell 6 in. (152mm) 6 in. (152mm) 6 in. (152mm)
Pneumatic (25 psi min.)
331-4551 Powers 1 in. (25mm) 6¼ in. (159mm) 6½ in. (165mm)
331-2976 Powers 2 3/8 in. (60mm) 12 1/8 in. (308mm) 9¼ in. (235mm)
MK2-7121 Invensys 3 3/4 in. (95mm) 16½ in. (419mm) 10 in. (254mm)
50 in.
32 in. (813mm)
50 in.
32 in. (813mm)
64 in. (1626mm)
50 in.
96 in. (2435mm)
(1270mm)
(1270mm)
32 in. (813mm)
(1270mm)
Damper Sizing Information
D* +
2 in. (51mm) +T
s
D*
TYPE R
16 in. (406mm)
Min.
2 1 / 8 in.
D* + 2 in. (51mm)+T
s
TYPE O
W
*
H*
W*
+ 2 in. (51mm)+T
s
H* + 2 in. (51mm)+T
s
W*
H*
TYPE C
H* + 2 in. (51mm)+T
s
(54mm)
16 in. (406mm)
Min.
2 1 /8 in.
(54mm)
16 in. (406mm)
Min.
W* + 2 in. (51mm)+T
s
(54mm)
2 1 / 8 in.
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 maximum damper section size and assembly configurations for multi-section dampers.
Double Section
Single Section
Transitioned Damper
Dimensions
When a fire/smoke damper is being used in conjunction with round or oval ductwork, the
FSD-211 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.
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.
These dimensions are furnished approximately 1/4 in.
*
(6mm) undersize, except round and oval dimensions which
are approximately
Ts = (2)(Sleeve Thickness)
1
/8 in. (3mm) undersize.
reinforced corners. Bearings shall be sintered bronze sleeve type
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 (121°C) minimum and shall be
operational and dynamic 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 (24 or 230) volt operation or
pneumatic type for 25 psi minimum (30 psi maximum) operation.
Damper blades shall be 16 ga. (1.5mm) galvanized steel 3V type with
three longitudinal grooves for reinforcement. Damper frame shall
be galvanized steel formed into a structural hat channel shape with
The Damper Manufacturer's submittal data shall certify all air
performance pressure drop data is licensed 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. Dampers shall be labeled
with the AMCA Air Performance Seal.
Damper must be rated for mounting vertically (with blades running
horizontal) or horizontally and be UL 555S rated for leakage and
airflow in either direction through the damper. Each damper shall be
supplied with a 165°F (74°C) RRL. The basis of design is Greenheck
Model FSD-211.
Copyright ©2006 Greenheck Fan Corporation
FSD-211 Rev 3 June 2006
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