Greenheck Fan DFD Series installation instructions Part number, Firestop Material, FSD Series

		Part number 469419
®		Firestop Material
INSTALLATION INSTRUCTION SUPPLEMENT
Refer to:	DFD Series
‘Installation Instructions for FSD-XXX,DFD-XXX,
SSFSD-XXX & CFSD-XXX Series Fire & Combination Fire	11/2 Hour Multi-Blade Fire Dampers and
Smoke Dampers’ (Part #461336)	FSD Series
These instructions apply to 11⁄2 hour rated combination	11/2 Hour Combination Fire Smoke
	Dampers-Vertical Mount
fire smoke dampers and dynamic rated multi-blade
fire dampers mounted in masonry, block, or metal or
wood stud walls. Note: This installation is intended	Recommended clearances, for width and/or height dimen-
for underfloor applications where the damper/duct is
	sions of:
directly above (4 in. [101mm] or less) the rated concrete
	1) 48 in. (1219mm) or less: 3⁄4 in. (19mm) clearance
floor (see Figure 2). No duct impact test was conducted.
Specific requirements in these instructions are mandatory.	2. Packing (optional) - Polyethylene backer rod, recessed from
These instructions meet the requirements of UL 555.
	surfaces of wall to accommodate the required thickness of
Installation shall comply with the requirements of NFPA
	fill material.
90A (Standard for the Installation of Air Conditioning and
Ventilating Systems) and UL Classification R13317.	3. Fill Material - Hilti Corporation - FS-One fire stop caulk
Fire and Combination Fire/Smoke dampers up to a	applied to a minimum 5/8 in. (16mm) thickness within the
	annular space and flush with both surfaces of the wall
maximum size of 72 in. W x 96 in. H (1828mm x 2438mm)
	with a 1 in. (25mm) overlap onto the gypsum board. If the
may be installed as instructed below.
	damper/sleeve assembly comes into contact with the wall,
1. Expansion Clearance - Fire damper and sleeve	a minimum of 3/8 in. (10mm) diameter bead shall be applied
	to the interface between the sleeve and contact surface.
assemblies expand during periods of intense heat.
	Firestop should be installed according to manufacturers
Therefore, it is essential that openings in walls or
	instructions and firestop instructions given in the 2007 UL
floors be larger than the fire or fire/smoke damper and
	Fire Resistance Directory Volume 2B, page 4471.
sleeve assembly to allow for this expansion. Minimum
clearances required between the outside of fire or fire/	4. Retaining Clip - Retaining clip 1 in. x 2 in. x 2 in. x 16 gauge
smoke damper sleeve assemblies and wall openings
	(25mm x 51mm x 51mm x 1.5mm) is attached to one side of
are:
	the wall with 1 1/2 in. (38mm) long #8 sheet metal screws or
• Galvanized steel fire dampers and sleeves: 1⁄8 in.
(3mm) per foot of damper width and height with a	masonry screws in the masonry wall. The 1 in. (25mm) leg of
	the clip shall be attached to the damper sleeve with 1/2 in.
minimum clearance of 1⁄4 in. (6mm), maximum of 1
1⁄2 in. (38mm). Recommended clearances, for width	(13mm) long #10 sheet metal screws. The retaining clips are
and/or height dimensions of:	required to be spaced a maximum of 6 in. (152mm) from the
	top of the sleeve and spaced a maximum of 12 in. (305mm)
1) 48 in. (1219mm) or less: 1⁄2 in. (13mm)
clearance	on center on the sides of the unit only.
2) More than 48 in. (1219mm) and 96 in.
(2438mm) or less: 1 in. (25mm) clearance			Rated wall
3) More than 96 in.(2438mm): 11⁄2 in. (38mm)	Floor tiles
clearance
• Stainless steel fire/smoke dampers and stainless
steel or galvanized sleeves: 3⁄16 in. (4.7mm) per			Fill material
foot of damper width and height with a minimum
clearance of 1/4 in. (6mm) , maximum of 2 in.		Retaining
(51mm)	Ductwork
		clip
	max. 4 in. (102mm)		Fill material
			(one side only on bottom)
	Rated masonry floor
Figure 1			Figure 2

Copyright © 2008 Greenheck Fan Corporation Firestop Material IOM Rev 2 Mar 2008