Specifications

Retaining plate

		CLEARANCE FOR
		EXPANSION
DUCT			OPTIONAL BLADE POSITION
CONNECTION			INDICATOR AND/OR ELECTRIC
AREA		Do not place retainer	LINK.
AREA		Do not place retainer
		plate in this groove
1.5 IN.				1.50 IN.
				1.50 IN.
		FUSIBLE LINK
		(standard)
		LOCATION
AIRFLOW
				DUCT
				CONNECTION
			1.5 IN.	AREA
			1.5 IN.
Optional
Second
Retaining
Plate		ACTUATOR
	3.375 IN.	ACTUATOR
5.375 in.	3.375 IN.	3.06 in. or 7.43 in.*
5.375 in.		3.06 in. or 7.43 in.*
6 IN. MAX

Wall 16.00 IN MAX

	SLEEVE LENGTH
		* 7.43 in. when OCI, RRL, RRL/OCI,
TOP VIEW OF DAMPER
		TOR, or PRV is selected

True Round 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 the latest edition of NFPA 80, 90A, 92A, 92B, 101 & 105.

Damper shall be constructed of 20 ga. (1mm) galvanized steel frame/sleeve; blade constructed of double skin galvanized steel round style blade; silicone rubber blade seal; ½ in. plated steel axle; stainless steel bearing. Damper is provided with one retainer plate.

Dampers 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. Each damper shall be equipped with a heat responsive device, which has been tested and approved for use with the damper assembly in accordance with UL555. The heat responsive device shall have a temperature rating of (specifier select one or the following) 165°F (74°C), 212°F (100°C), 286°F (141°C), or 350°F (177°C).

Dampers shall be UL labeled for use in dynamic systems. The damper shall have a dynamic closure airflow rating equal to or greater than the airflow at the dampers installed location and a dynamic closure pressure rating of 4 in. wg (1kPa). All UL555 and UL555S dynamic closure and leakage

ratings shall be qualified for airflow and pressure in either direction through the damper. UL ratings shall allow for mounting damper vertically or horizontally.

Dampers shall have a UL555S leakage rating of Class II and a temperature rating of 250°F (121°C). Dampers shall have a UL555S operational airflow rating equal to or greater than the airflow at its installed location and an operational pressure rating of 4 in. wg (1kPa). Damper actuators shall be factory mounted and qualified for use with the damper in accordance with UL555S.

Damper actuators shall be (specifier select one of the following) electric type for 120 or 24 volt operation and pneumatic type for 25 psi minimum (30 psi maximum) operation. Manufacturer’s submittal data shall indicate actuator space requirements around the damper.

The Damper manufacturer’s submittal data shall certify all air performance pressure drop data is tested 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.

Basis of design is Greenheck’s model FSDR-512.

FSDR-512 specifications

The Greenheck Fan FSDR-512 is a high-performance fan designed to meet the demanding requirements of commercial and industrial ventilation systems. Known for its robust construction and innovative technologies, the FSDR-512 offers a range of features that enhance its efficiency and usability.

One of the standout characteristics of the FSDR-512 is its energy-efficient motor design. Utilizing advanced motor technology, the fan achieves superior performance while minimizing energy consumption. The fan's efficient operation not only reduces operational costs but also contributes to greener building practices.

The FSDR-512 is equipped with a direct drive setup, eliminating the need for belts and pulleys. This feature results in lower maintenance requirements and reduced noise levels during operation. The direct drive design also enhances reliability, ensuring consistent performance over time. Additionally, the fan's housing is constructed from durable materials that can withstand harsh environmental conditions, which makes it suitable for a variety of applications.

Another important feature of the FSDR-512 is its adjustable airflow capabilities. Users can easily modify the fan's speed and airflow settings to meet specific ventilation needs, making it a versatile choice for diverse applications ranging from commercial kitchens to industrial processes. The fan's integrated controls simplify the adjustment process, allowing for real-time changes based on varying operational requirements.

Moreover, the FSDR-512 incorporates advanced aerodynamics in its impeller design. This innovation reduces turbulence and maximizes airflow efficiency, resulting in quieter operation and enhanced performance. This focus on aerodynamics not only improves the fan's effectiveness but also extends its lifespan through reduced wear and tear on components.

To further streamline installation and maintenance, the FSDR-512 features a compact design, allowing for easy integration into existing systems without the need for extensive modifications. The fan's lightweight construction also eases installation processes, reducing labor costs.

In summary, the Greenheck Fan FSDR-512 stands out in the marketplace for its energy-efficient motor, direct drive design, adjustable airflow capabilities, and advanced aerodynamic features. These characteristics make it an ideal choice for anyone seeking reliable and efficient ventilation solutions in a variety of environments, ensuring optimal air quality and operational efficiency.