Greenheck Fan DFD-155 installation instructions National Fire Protection Association, Application

Model DFD-155

Dynamic Rated FIRE DAMPERS

Application

Model DFD-155 is approved for use in walls, floors and partitions with fire resistance ratings less than 3 hours. This model carries a 11⁄2 hour UL fire damper label. UL

555 classifies dynamic rated fire dampers for use in HVAC systems that are operational in the event of fire .

Ratings

UL555 Fire Resistance Rating Fire Rating: 1 1/2 hours

Dynamic closure rating

Maximum Velocity: 4000 fpm (20.3 m/s) vertical mount only, up to 24 in. x 24 in. (610mm x 610mm) 2000 fpm (10.2 m/s) vertical or horizontal mount, on all sizes.

Maximum Pressure: 4 in wg (1 kPa)

Construction

Galvanized steel (in gauges required by UL listing R-13317)

100% Free Area - Sealed for High Pressure Systems

11⁄2 Hour Fire Resistance Rating

Model DFD-155 meets the requirements for fire dampers established by:

National Fire Protection Association

(NFPA Standards 80, 90A & 101)

BOCA National Building Codes

IBC International Building Codes

ICBO Uniform Building Codes (UBC Standard 43-7)

SBCCI Standard Building Codes

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

California State Fire Marshal (Listing #3225-981:102)

“UL CLASSIFIED (see complete marking on product)” “UL CLASSIFIED to Canadian safety standards (see complete marking on product)”

Standard 555 (Listing #R13317)

Installation

All fire damper installations require the use of sleeves, angles and methods described in Greenheck Fire Damper Installation Instructions #452763, included with every damper shipment. Sleeves can be field fabricated or factory furnished as a complete damper/sleeve assembly. See Factory Sleeve H* Option below for details.

W*

Fusible Link (replaceable)

Stainless Steel165ºF [74ºC]Standard (212º) [100ºC]available)

Closure Spring

“K” side

Features

•Stainless steel closure springs

•Fusible links - 165ºF (74ºC) standard, 212ºF (100ºC) and 286ºF (141ºC) available

•Horizontal or vertical mount available

•Sealed for use in high pressure systems

HORIZONTAL MOUNT

3	11
	/16"	VERTICAL
(94mm)

*These dimensions are furnished approximately 1/4in. (6mm) undersize, except round and oval dimensions which are 1/8 in. (3mm) undersize. (Add sleeve thickness for overall sleeved damper dimension)

Optional Features

•Security bars

•One piece retaining angle (POC)

•Tranhhsitions (C, CO, CR, & R)

D*+ 2 in.		W*+ 2 in.			W*+ 2 in.
O*		O*		H*	O*	H*
2	1	2	1		1
			/2 in.		2 /2 in.
	/2	in.

6in

Max.

D*

6in.

Max.

W*

6in.

Max.

W*

					TYPE CR	TYPE CO	TYPE C
	Sleeve				Factory Sleeve Option
					DFD-155 Fire Dampers are available in factory furnished sleeves. Sleeves are
					galvanized steel and are available in 10 thru 20 ga.(1mm - 3.5mm) thicknesses and
					lengths up to 36 in. (914mm).
					“K” dimension specifies location of damper within the sleeve. Minimum is 4 in.
		Damp	er
					(102mm), maximum is “L” less 4 in. (102mm), which allows for mounting angle
H*
					installation and duct connection at each end of sleeve. If “K” dimension is not
					specified, it will be provided as one half of “L” dimension (damper centered in
					sleeve).
	K				Horizontally mounted dampers must be installed with the “K” dimension on the
		C Damper Frame			bottom side.
	Damper
	Location	L		W*
					Note: If using access doors, the doors should be installed on the “K” side of the
		L
	Overall Sleeve Length				damper.