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

Page 1

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:

112 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 112 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 14 in. (6mm) undersize. (Add blanket thickness (18 in.[3mm]) and sleeve thickness for overall sleeved damper dimension)

Oversize wall opening as follows:

Nominal damper size plus 38 in.(9.5mm) (see Page 6)

• Sealed transition and sleeves

Installation instructions available at www.greenheck.com

Image 1
Contents Ratings Model OFSD-211Size Limitations Amca Test Figures Pressure Drop Data OFSD-211Amca 5.2 Pressure Drop OFSD-211 500 1000 1500 2000 2500 3000 3500 4000 Amca 5.3 Pressure Drop OFSD-21148 in. x 12 in mm x 305mm Amca 5.5 Pressure Drop OFSD-211Application Data OFSD-211 SpecificationsActuator Space Envelopes Sleeve Information

OFSD-211 specifications

The Greenheck Fan OFSD-211 is a notable solution in the arena of energy-efficient and high-performance fan systems. Designed to handle varying air volumes and pressures, this fan has become an essential component in numerous commercial and industrial applications. Its reliable operation and versatile design make it an exceptional choice for users seeking effective ventilation solutions.

One of the standout features of the OFSD-211 is its exceptional energy efficiency. Equipped with advanced motor technology, it significantly reduces energy consumption compared to traditional fan models. The use of high-efficiency EC motors ensures that users not only benefit from lower utility bills but also contribute to a more sustainable environment. This feature is particularly crucial in today’s climate-conscious market.

In terms of construction, the OFSD-211 is built with durability in mind. The fan’s housing is made from galvanized steel, providing robust protection against the elements and long-lasting performance. The design minimizes vibration and noise, ensuring that operations remain quiet even during peak performance.

Another encouraging characteristic of the OFSD-211 is its ease of installation and maintenance. The fan is designed with user convenience in mind, allowing for straightforward setup and minimal downtime during servicing. This practicality appeals to facility managers and maintenance personnel seeking efficient solutions without excessive operational interruptions.

The OFSD-211 also incorporates state-of-the-art control technologies, enabling users to optimize performance based on specific environmental conditions. With integrated controls, users can adjust speed variables to meet precise airflow demands, further enhancing the fan's energy efficiency. This adaptability makes it suitable for a range of applications, from restaurants and schools to manufacturing plants and warehouses.

Moreover, the OFSD-211 offers exceptional airflow capabilities, with models available in a variety of sizes to suit different requirements. Its design ensures that it can handle both high static pressures and large air volumes, making it a versatile choice for various industrial applications.

In summary, the Greenheck Fan OFSD-211 stands out as a pioneering fan solution, combining energy efficiency, durability, and advanced control technologies. Its commitment to performance and user-friendly features positions it as a leading choice among HVAC professionals and facility managers, ensuring effective ventilation in diverse environments while prioritizing energy savings.