Installation instructions available at www.greenheck.com

 

 

 

 

Model FSD-331

APPLICATION

Combination Fire Smoke Dampers

 

 

Steel Airfoil Blades

Model FSD-331 is a high performance combination fire smoke damper

 

 

UL 555S Leakage Class I

with extremely low leakage. High strength airfoil blades ensure the

 

 

UL555 3 Hour Fire Resistance Rating

lowest resistance to airflow in HVAC systems with velocities to 2000

 

fpm (10.2 m/s) and pressures to 4 in. wg (1 kPa). Model FSD-331 may

Model FSD-331 meets the requirements for fire

be installed vertically (with blades running horizontal) and is rated for

airflow and leakage in either direction.

dampers, smoke dampers and combination fire

Ratings

 

smoke dampers established by:

 

National Fire Protection Association

UL 555 Fire Resistance Rating

 

 

NFPA Standards 80, 90A, 92A, 92B, 101 & 105

Fire Rating:

3 hours

 

IBC International Building Codes

Dynamic Closure Rating: Actual ratings are size dependent

ICBO Uniform Building Codes

Max. Velocity:

up to 2000 fpm (10.2 m/s)

CSFM California State Fire Marshal

Max. Pressure:

4 in. wg (1 kPa)

UL555S Leakage Rating

 

Fire Damper Listing (#3225-0981:103)

 

Leakage (Smoke) Damper Listing (#3230-0981:104)

Leakage Class:

I

Operational Rating:

Actual ratings are size dependent

New York City (MEA listing #260-91-M)

Max. Velocity:

up to 3000 fpm (15.2m/s)

 

 

Max. Pressure:

4 in. wg (1 kPa)

 

 

Maximum Temperature: 350°F (177°C)- depending upon the

“UL CLASSIFIED (see complete marking on

 

 

actuator

Standard Construction

product)”

“UL CLASSIFIED to Canadian safety standards

Frame:

5 in. x 1 in. (127mm x 25 mm)

(see complete marking on product)”

 

Standard 555 & 555S (Listing #R13317)

 

 

galvanized steel hat channel with

 

 

 

 

 

 

 

reinforced corners. A low profile head

 

 

 

 

and sill are used on sizes less than

 

Greenheck Fan Corporation certifies that the

 

 

17 in. (432mm)

 

Blades:

Double skin airfoil shape of

 

model FSD-331 shown herein is licensed to

 

bear the AMCA Seal. The ratings shown are

 

 

galvanized steel with full length

 

 

 

 

based on tests and procedures performed

 

 

structural reinforcement. 14 ga.

 

in accordance with AMCA Publication 511

 

 

(2 mm) equivalent thickness.

 

and comply with the requirements of the

Seals:

Extruded silicone rubber blade seals

 

AMCA Certified Ratings Programs. The

R

AMCA Certified Ratings Seal applies to air

 

 

 

Flexible stainless steel jamb seals.

 

Linkage:

 

performance ratings only.

Concealed in jamb.

 

 

Closure Device:

RRL 165°F (74°C)

 

 

Axles:

12 in. (13mm) dia. plated steel.

 

 

Bearings:

Bronze sleeve type.

 

 

Size Limitations:

 

 

 

Minimum Size:

8 in. W x 6 in. H

 

 

 

 

(203 mm W x 152mm H)

 

 

Maximum Size (Vertical Only):

 

 

Single Section:

32 in. W x 36 in.H

 

 

 

 

(813mm W x 914mm H) or

 

 

 

 

30 in. W x 48 in. H

 

 

 

 

(762mm x 1219mm)

 

 

Multiple Section:

120 in. W x 96 in. H

 

 

 

 

(3048mm W x 2438mm H)

 

 

Optional Features:

LH

H*

• 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.)

 

 

 

 

 

W*

 

 

• Electric or pneumatic actuators to accomplish smoke management

 

 

 

and system functions.

 

 

 

 

• POC retaining angles

 

 

RH

• Smoke detectors

 

 

 

 

• Momentary Switch

*W&H dimensions furnished approximately 1/4 in. ( 6 mm) undersize.

• Transitions (R, C, O)

(Add sleeve thickness for overall sleeved damper dimension)

• PRV (pneumatic relief valve)

Right hand drive is shown. Left hand drive is available upon request.

• Security Bars

 

 

 

 

• Sealed transitions and sleeves

 

 

 

 

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Greenheck Fan dimensions Model FSD-331, Combination Fire Smoke Dampers

FSD-331 specifications

Greenheck Fan FSD-331 is a high-performance exhaust fan designed to provide efficient and reliable ventilation solutions in various industrial and commercial applications. With its robust construction and advanced engineering, the FSD-331 meets the demanding requirements of both indoor and outdoor environments, ensuring optimal air movement and safety.

One of the standout features of the FSD-331 is its state-of-the-art aerodynamic design, which maximizes airflow while minimizing energy consumption. The fan's blades are carefully engineered to reduce turbulence and noise, providing quieter operation compared to traditional exhaust fans. This makes the FSD-331 an ideal choice for noise-sensitive areas, such as schools, hospitals, and residential buildings.

The FSD-331 also boasts a direct-drive motor system that eliminates the need for belts and pulleys. This design not only reduces maintenance requirements but also enhances reliability, as there are fewer components that can wear and fail over time. The fan’s motor is designed to operate efficiently across a wide range of speeds, allowing users to adjust airflow as needed to accommodate varying ventilation demands.

Energy efficiency is a key characteristic of the FSD-331. It is available with various motor options, including high-efficiency models that comply with energy standards, helping building owners save on energy costs while reducing their carbon footprint. Additionally, the fan can be integrated with advanced control systems, such as variable frequency drives (VFDs), to further optimize performance and energy usage.

The FSD-331 is built to withstand challenging environmental conditions, thanks to its durable materials and weather-resistant features. Its housing is constructed from heavy-gauge steel, and options for protective coatings are available to enhance corrosion resistance. This durability ensures that the fan remains operational in harsh weather, making it suitable for rooftop installations and outdoor use.

The installation of the FSD-331 is straightforward, and it offers flexibility in mounting configurations, including horizontal and vertical orientations. This adaptability makes it easy to incorporate into existing systems or new construction projects.

In summary, the Greenheck Fan FSD-331 is an innovative solution for effective ventilation, featuring a high-performance design, energy-efficient operation, and robust construction. Whether for industrial processes, commercial buildings, or other applications, the FSD-331 is engineered to deliver reliable performance and significant operational savings.