Greenheck Fan dimensions Model SMD-401, Ratings, Standard Construction, Size Limitations

				Model SMD-401
APPLICATION				Smoke Dampers
Model SMD-401 is a class I leakage rated smoke damper. High strength,				Extruded Airfoil Blades
streamlined extruded airfoil blades insure lowest resistance to airflow in
				UL 555S Leakage Class I
HVAC systems with velocities to 3000 fpm (15.2 m/s) and 6 in. wg (1.5
kPa). Model SMD-401 may be installed vertically (with blades running
horizontal) or horizontally and is rated for airflow and leakage in either				Model SMD-401 meets the requirements for smoke
direction.				dampers established by:
Ratings				National Fire Protection Association
Leakage:		UL 555S leakage class I. Leakage		NFPA Standards 92A, 92B, 101 & 105
Velocity:		rated in both directions		IBC International Building Codes
		Operational rated to 3000 fpm		New York City (MEA listing #260-91-M)
		(15.2 m/s) for sizes up to
				California State Fire Marshall
		48 in. W x 108 in. H or 144 in. H x 36 in. H
		(1219mm x 2743mm) or		Listing#: 3230-0981:108 (smoke)
		(3658mm x 914mm) or
		2000 fpm (10.2 m/s) for sizes
		greater than that. Rating is for		“UL CLASSIFIED (see complete marking on
		airflow in either direction through
				product)”
		damper.
Temperature:		250°F (121°C) with all actuators.		“UL CLASSIFIED to Canadian safety standards
Maximum Pressure:		6 in. (1.5 kPa)
				(see complete marking on product)”
Standard Construction				Standard 555S (Listing #R13317)
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 to
		maximize free area and
		performance.
Blades:		Airfoil shape constructed of heavy
		gauge extruded aluminum.
		Structural reinforcement through
		the entire length.
	Seals:	Extruded silicone rubber blade
		seals. Flexible stainless steel jamb seals.
Linkage:		Concealed in jamb.
	Axles:	1⁄2 in. (13mm) dia. plated steel.
Bearings:		Bronze sleeve type
Size Limitations:
Minimum Size:		8 in. W x 8 in. H (203mm x 203mm)	LH
				H*
Maximum Size:
Single Section:		48 in. W x 60 in.
		(1219mm W x 1524mm H)

Multiple Section:	192 in. W x 72 in. H
	(4877mm W x 1829mm H) or
	48 in. W x 288 in. H
	(1219mm W x 7315mm H) or
	384 in. W x 36 in. H
	(9754mm W x 914mm H)

Optional Features:

•Galvanized steel sleeves

•Stainless steel bearings

•OCI (Open closed indication switches)

•Electric or pneumatic actuators to accomplish smoke management and system functions.

•POC retaining angles

•Smoke detector

•Momentary switch

•Transformer

W*

RH

*W&H dimensions furnished approximately 1/4 in. (6mm) undersize. (Add sleeve thickness for overall sleeved damper dimension)

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

Installation instructions available at www.greeenheck.com