Greenheck Fan dimensions Model FSD-312, Combination Fire Smoke Dampers, Application, Ratings

					Model FSD-312
APPLICATION	Combination Fire Smoke Dampers
					Steel Airfoil Blades
Model FSD-312 is a high performance combination fire smoke
					UL 555S Leakage Class II
damper with class II leakage. High strength airfoil blades ensure the
			UL555 11⁄2 Hour Fire Resistance Rating
lowest resistance to airflow in HVAC systems with velocities to 3000
fpm (15.2 m/s) and pressures to 4 in. wg (1 kPa) Model FSD-312 may
be installed vertically (with blades running horizontal) or horizontally		Model FSD-312 meets the requirements for fire
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:	1½ hours
		IBC International Building Codes
Dynamic Closure Rating: Actual ratings are size dependent
Max. Velocity:	up to 3000 fpm (15.2 m/s)	ICBO Uniform Building Codes
Max. Pressure:	4 in. wg (1 kPa)	CSFM California State Fire Marshal
UL555S Leakage Rating:		Fire Damper Listing (#3225-0981:103)
		Leakage (Smoke) Damper Listing (#3230-0981:104)
Leakage Class:	II
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 prod-
	actuator	uct)”
Standard Construction		“UL CLASSIFIED to Canadian safety standards
		(see complete marking on product)”
Frame:	5 in. x 1 in. (127mm x 25 mm)	Standard 555 & 555S (Listing #R13317)
	galvanized steel hat channel with
	reinforced corners. A low profile			Greenheck Fan Corporation certifies that the
	head and sill are used on sizes less
	than 17 in. (432mm)			model FSD-312 shown herein is licensed to
				bear the AMCA Seal. The ratings shown are
Blades:	Double skin airfoil shape of
				based on tests and procedures performed
	galvanized steel with full length			in accordance with AMCA Publication 511
	structural reinforcement. 14 ga.			and comply with the requirements of the
	(2 mm) equivalent thickness.			AMCA Certified Ratings Programs. The
		R		AMCA Certified Ratings Seal applies to air
Seals:	Extruded silicone rubber blade seals.			performance ratings only.
	Flexible stainless steel jamb seals.
Linkage:	Concealed in jamb.
Closure Device:	RRL 165°F (74°C)
Axles:	1⁄2 in. (13mm) dia. plated steel.
Bearings:	Bronze sleeve type.
Size Limitations:	8 in. W x 6 in. H
Minimum Size:
Maximum Size:	(203 mm W x 152mm H)
Single Section:	32 in. W x 50 in. H
	(813mm W x 1270mm H)
Multiple Section:	96 in. W x 50 in. H
	(2435mm W x 1270mm H)
Vertical Only:	128 in. W x 100 in. H
	(3251mm W x 2540mm 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.
						RH
• POC retaining angles
• Smoke detectors		*W&H dimensions furnished approximately 1/4 in. ( 6 mm) undersize.
• Momentary Switch
• Transitions (R, C, O)		(Add sleeve thickness for overall sleeved damper dimension)
		Right hand drive is shown. Left hand drive is available upon request.
• PRV (pneumatic relief valve)

• Security Bars
• Sealed transitions and sleeves	Installation instructions available at www.greenheck.com