Greenheck Fan dimensions Model OFSD-211, Application, Ratings, Size Limitations

Model OFSD-211

Out Of Wall Combination FIRE SMOKE DAMPERS

APPLICATION

Model OFSD-211 is approved for use in walls, partitions, and floors with fire resistance ratings less than 3 hours. OFSD-211 is an ‘out of the wall’ high performance combination fire smoke damper with 3V style blades. 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). Model OFSD-211 shall be installed vertically (with blades running horizontal) or horizontally and is rated for airflow and leakage in either direction.

Ratings

UL555 Fire Resistance Rating:

Fire Rating:	11⁄2 hours in walls
Dynamic Closure Rating: Actual ratings are size dependent
Max. Velocity:	2000 fpm (10.2 m/s)
Max. Pressure:	4 in. wg (1 kPa) - differential
	pressure
UL555S Leakage Rating:
Leakage Class:	I
Operational Rating:	Actual ratings are size dependent
Max. Velocity:	2000 fpm (10.2m/s)
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)
	galvanized steel hat channel with
	reinforced corners. A low profile
	head and sill are used on sizes less
	than 17 in. (432mm) high.
Blades:	16 ga. (1.5mm) galvanized steel,
	reinforced with 3 longitudinal
	structurally designed vee's.
Seals:	Extruded silicone rubber blade seals.
	Flexible stainless steel jamb seals.
Linkage:	Concealed in jamb
Closure Device:	UL listed 165°F (74ºC) RRL
Axles:	½ in. (13mm) dia. plated steel
Bearings:	Bronze sleeve type
Sleeve:	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

Steel 3V Blades

UL 555S Leakage Class I

UL555 11⁄2 Hour Fire Resistance Rating

Horizontal or Vertical Mount

Model OFSD-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 OFSD-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 Pro- grams. The AMCA Certified Ratings Seal applies to air performance ratings only.

*W & H dimensions furnished approximately 1⁄4 in. (6mm) undersize. (Add blanket thickness (1⁄8 in.[3mm]) and sleeve thickness for overall sleeved damper dimension)

Oversize wall opening as follows:

Nominal damper size plus 3⁄8 in.(9.5mm) (see Page 6)

• Sealed transition and sleeves Installation instructions available at www.greenheck.com