Greenheck Fan Ventilation Hood OFSD 212 User Manual

Model OFSd-212  
Out Of Wall Combination FIRE SMOKE dAMPERS  
APPLICATION  
Steel 3V Blades  
Model OFSD-212 is an ‘out of the wall’ high performance combina-  
tion fire smoke damper with 3V style blades. OFSD-212 is approved  
for use in walls, partitions, and floors with fire resistance ratings less  
than 3 hours. Removal of wall grille allows access to actuator and  
other components. This model's operational ratings of 2000 fpm (10.2  
m/s) and pressures to 4 in. wg (1 kPa). OFSD-212 shall be installed  
vertically (with blades running horizontal) or horizontally and is rated  
for airflow and leakage in either direction.  
UL 555S Leakage Class II  
UL555 112 Hour Fire Resistance Rating  
Horizontal or Vertical Mount  
Model OFSD-212 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  
Ratings  
UL555 Fire Resistance Rating:  
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)  
Fire Rating:  
Dynamic Closure Rating: Actual ratings are size dependent  
112 hours in walls  
Max. Velocity:  
Max. Pressure:  
2000 fpm (10.2 m/s)  
4 in. wg (1 kPa) - differential  
pressure  
UL555S Leakage Rating:  
Leakage Class:  
II  
Operational Rating:  
Max. Velocity:  
Actual ratings are size dependent  
2000 fpm (10.2m/s)  
“uL CLASSIFIEd (see complete marking on  
product)”  
“uL CLASSIFIEd to Canadian safety standards  
(see complete marking on product)”  
Standard 555 & 555S (Listing #R13317)  
Max. Pressure:  
4 in. wg (1 kPa)  
Max. Temperature:  
350ºF (177ºC)- depending upon the  
actuator  
STANdARd CONSTRuCTION  
Frame:  
5 in. x 1 in. (127mm x 25mm)  
Greenheck Fan Corporation certifies that the  
model OFSD-212 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  
galvanized steel hat channel with  
reinforced corners. A low profile head  
and sill are used on sizes less than  
17 in. (432mm) high.  
requirements of the AMCA Certified Ratings Pro-  
R
Blades:  
16 ga. (1.5mm) galvanized steel,  
reinforced with 3 longitudinal  
structurally designed vee's.  
Extruded silicone rubber blade seals.  
Flexible stainless steel jamb seals  
Concealed in jamb  
grams. The AMCA Certified Ratings Seal applies to  
air performance ratings only.  
Seals:  
Linkage:  
Closure device:  
Axles:  
Bearings:  
Sleeve:  
UL listed 165°F (74ºC) RRL  
12 in. (13mm) dia. plated steel  
Bronze sleeve type  
Galvanized; wrapped with thermal  
blanket  
Size Limitations:  
Minimum Size:  
12 in. W x 12 in.H  
(305mm x 305mm)  
Maximum Size:  
Single section: 36 in. W x 36 in.H  
(914mm x 914mm)  
Optional Features:  
• POC retaining Angles  
• RRL/OCI (open closed indication switches)  
• 165ºF (74ºC), 212ºF (100ºC), 250ºF (121ºC), 350ºF (177ºC) RRL’s  
available  
• TOR (remote override allows damper to perform smoke  
management functions during fire emergency.)  
• Electric actuators  
• Momentary switch  
• Security bars  
• Sealed transition and sleeves  
* W & H dimensions furnished approximately ¼ in. (6mm) undersize.  
(Add blanket thickness ( ⁄8 in.[3mm]) and sleeve thickness for overall  
sleeved damper dimension)  
1
Oversize wall opening as follows:  
3
Nominal damper size plus ⁄8 in.(9.5mm) (see Page 6)  
 
AMCA 5.2 Pressure drop  
OFSd-212  
5D  
Figure 5.2  
* This size is based on multi-section unit.  
12 in. x 12 in. (305mm x 305mm)  
Pressure Drop  
24 in. x 24 in. (610mm x 610mm)  
Pressure Drop  
36 in. x 36 in. (914mm x 914mm)  
Pressure Drop  
12 in. x 48 in. (305mm x 1219mm)  
Pressure Drop  
48 in. x 12 in. (1219mm x 305mm)  
Pressure Drop  
Velocity (fpm)  
(in. wg)  
Velocity (fpm)  
Velocity (fpm)  
Velocity (fpm)  
Velocity (fpm)  
(in. wg)  
(in. wg)  
(in. wg)  
(in. wg)  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.04  
0.14  
0.31  
0.55  
0.86  
1.24  
1.69  
2.20  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.02  
0.07  
0.16  
0.29  
0.45  
0.65  
0.89  
1.16  
500  
0.01  
0.04  
0.09  
0.16  
0.25  
0.36  
0.49  
0.64  
500  
0.01  
0.06  
0.13  
0.23  
0.36  
0.52  
0.70  
0.92  
500  
0.03  
0.10  
0.23  
0.41  
0.63  
0.91  
1.24  
1.62  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
Greenheck Fan Corporation certifies that the  
model OFSD-212 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 Pro-  
grams. The AMCA Certified Ratings Seal applies to  
air performance ratings only.  
R
 
AMCA 5.3 Pressure drop  
OFSd-212  
5D  
6D  
Figure 5.3  
* This size is based on multi-section unit.  
12 in. x 12 in. (305mm x 305mm)  
Pressure Drop  
24 in. x 24 in. (610mm x 610mm)  
Pressure Drop  
36 in. x 36 in. (914mm x 914mm)  
Pressure Drop  
12 in. x 48 in. (305mm x 1219mm)  
Pressure Drop  
48 in. x 12 in. (1219mm x 305mm)  
Pressure Drop  
Velocity (fpm)  
(in. wg)  
Velocity (fpm)  
(in. wg)  
Velocity (fpm)  
(in. wg)  
Velocity (fpm)  
(in. wg)  
Velocity (fpm)  
(in. wg)  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.02  
0.09  
0.20  
0.36  
0.56  
0.81  
1.10  
1.44  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.01  
0.04  
0.09  
0.16  
0.25  
0.35  
0.48  
0.63  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.01  
0.03  
0.06  
0.11  
0.17  
0.24  
0.33  
0.42  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.01  
0.04  
0.10  
0.17  
0.27  
0.39  
0.53  
0.70  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.02  
0.07  
0.16  
0.29  
0.45  
0.64  
0.88  
1.14  
Greenheck Fan Corporation certifies that the  
model OFSD-212 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 Pro-  
grams. The AMCA Certified Ratings Seal applies  
to air performance ratings only.  
R
 
AMCA 5.5 Pressure drop  
OFSd-212  
* This size is based on multi-section unit.  
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)  
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  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.04  
0.17  
0.38  
0.67  
1.04  
1.50  
2.05  
2.67  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.06  
0.22  
0.50  
0.89  
1.39  
2.00  
2.72  
3.55  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.03  
0.14  
0.31  
0.54  
0.85  
1.22  
1.66  
2.17  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.03  
0.12  
0.26  
0.46  
0.73  
1.05  
1.42  
1.86  
500  
1000  
1500  
2000  
2500  
3000  
3500  
4000  
0.03  
0.13  
0.30  
0.53  
0.83  
1.19  
1.62  
2.11  
Greenheck Fan Corporation certifies that the  
model OFSD-212 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 Pro-  
R
grams. The AMCA Certified Ratings Seal applies to  
air performance ratings only.  
 
Application data  
OFSd-212  
Actuator Space Envelopes  
The drawing below and corresponding table show the minimum dimensions  
required for internal actuator mounting on OFSD-212s. The standard mounting  
locations provide enough space for the mounting of actuators and controls plus  
allowing space for a grille and duct connection (see Sleeve Length below).  
Factory supplied thermal  
blanket around sleeve  
Honeywell  
Actuator Space  
ML-4XXX series MS4120 series  
MS4XXX series  
Envelopes  
X
Grille  
(Supplied by  
others)  
'X' dimension  
5.88 in. (149mm)  
12 in. (305mm)  
12 in. (305mm)  
5.88 in. (149mm)  
12 in. (305mm)  
12 in. (305mm)  
Minimum Width  
Minimum Height  
Sleeve Information  
‘Sleeve Length’ = depth of Grille (or Register)  
+ X (Actuator: see table above)  
Combination Fire  
Smoke Damper  
+ 5 in. [127mm] (Damper Width)  
"
1
7
2
5 in.  
+ 1.25 in. [31.8mm] (for duct connection)  
(round up to nearest length: 14 in., 16 in., 18 in.,  
or 20 in. [356, 406, 457, 508mm])  
Max.  
Fire rated barrier  
A
Sleeve Length  
‘Sleeve Gauge’ = 16 Ga. or 20 Ga. (1.5mm or 1mm)  
Wall Opening Sizing  
To accommodate for sleeve and thermal blanket thickness,  
the wall opening must be oversized by 38 in. (9.5mm) as  
shown. For example, if the nominal damper size required  
is 18 in. x 14 in. (457mm x 356mm), the wall opening size  
needs to be 18 38 in. x 14 38 in. (467mm x 365mm). The  
damper itself is undersized 14 in. (6mm) on each dimension  
for an actual damper size of 17 34 in. x 13 34 in. (451mm x  
349mm). This is also the inside dimensions of the sleeve (for  
grille considerations).  
Fire Smoke Damper  
With Sleeve And  
Thermal Blanket  
Wall  
Nominal  
Damper  
Height + 3/8 in.  
Nominal Damper  
Width + 3  
8 in.  
/
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 II.  
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 shall be supplied with a factory  
mounted sleeve; sleeve shall be wrapped with UL approved thermal  
barrier material.  
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.  
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.  
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.  
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  
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.  
The basis of design is Greenheck Model OFSD-212.  
Copyright ©2006 Greenheck Fan Corporation  
OFSD-212 Rev 3 June 2006  
 

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