Greenheck Fan Ventilation Hood 462102 User Manual

Part #462102  
INSTALLATION INSTRUCTION SUPPLEMENT  
®
Refer to:  
Wood Stud Framing for Fire Dampers in Drywall  
‘Installation Instructions for FD, DFD, SSFD, & KFD Models’  
Partitions Utilizing One Retaining Angle  
(Part #452763)  
or  
FD & DFD Series  
‘Installation Instructions for FSD-XXX, DFD-XXX, & CFSD-XXX,  
SSFSD-XXX Series Fire & Combination Fire Smoke Dampers’  
(Part #461336)  
11/2 Hour Curtain Fire Dampers and  
FSD & SSFSD Series  
11/2 Hour Combination Fire Smoke Dampers  
Vertical Mount  
or  
‘Installation Instructions for FD & DFD 150X Series Curtain Fire  
Dampers’ (Part #453946) for additional details.  
“UL CLASSIFIED  
Notes  
(see complete marking on product)”  
“UL CLASSIFIED to Canadian safety standards  
(see complete marking on product)”  
Standards UL 555 & 555S  
1. Gypsum panels must be screwed 12 in. (305mm) on center  
maximum to all stud and runner flanges surrounding  
opening. (See Figure 1 for Opening Preparation Details).  
Classifications Filed at UL under Listing #R13317  
2. Fire damper and sleeve assemblies 80 in. W x 50 in. H  
(2032mm x 1270mm), 50 in. W x 80 in. H  
(1270mm x 2032mm), or 40 in. W x 100 in. H  
(1016mm x 2540mm) and smaller only require retaining  
angles on one side of the partition. (See Figure 2 and  
Figure 3). Retaining angles must be attached to the  
sleeve and the partition. Larger damper assemblies require  
retaining angles on both sides of the partition. Retaining  
angles must be attached to the sleeve.  
24 in. o.c.  
Maximum  
(metal studs)  
24 in. o.c.  
Maximum  
(metal studs)  
Ceiling Runner  
12 in.  
• Retaining angles must be a minimum of 16 gauge (1.5mm)  
steel and have a minimum of 11/2 in. x 21/2 in. legs  
(38mm x 63mm).  
• Retaining angles must be attached to the sleeve using  
one of the methods shown below:  
24 in. o.c.  
Maximum  
• tack or spot welds  
• #10 sheet metal screws and bolts  
• Retaining angles must be attached to the partition using  
drywall screws of a length such that the screw engages  
the stud by a minimum of 1 3/4 in. (44mm)  
• A minimum of two connections per side, top, and bottom,  
12 in. (305mm) O.C. maximum for openings of  
48 in. W x 36 in. H (1219mm x 914mm) and less, and  
6 in. (152mm) O.C. for openings 80 in. W x 50 in. H  
(2032mm x 1270mm), 50 in. W x 80 in. H,  
(1270mm x 2032mm) and 40 in. W x 100 in. H  
(1016mm x 2540mm)or less.  
2 in.  
2 in.  
2 Panhead  
Screws  
16 in. o.c.  
Maximum  
16 in. o.c.  
Maximum  
(wood studs)  
(wood studs)  
Floor Runner  
Figure #1: Opening Preparation Detail (double vertical  
studs are not required for openings 36 in. x  
36 in. [914mm x 914mm] or smaller)  
• Retaining angles must overlap the partition a minimum of  
1 in. (25mm)  
Damper  
Sleeve  
Damper  
Sleeve  
2 1/2 in. Min.  
Stud or Runner  
2 1  
/
2
in. Min.  
Stud or Runner  
1/2 in. UL Classified  
1
/
2
in. UL Classified  
Gypsum Wallboard (see  
UL Rated Wall Design  
for Additional Details)  
Gypsum Wallboard (see  
UL Rated Wall Design  
for Additional Details)  
Angle Fastener  
Angle Fastener  
(see Note 2)  
(see Note 2)  
112 in. x 212 in.  
112 in. x 212 in. 16  
16 ga. angle  
ga. angle  
Figure #2: 1 Hour Wall Rating  
Figure #3: 2 Hour Wall Rating  
Copyright © 2008 Greenheck Fan Corporation  
462102 Wood Stud Supplement  
Rev. 4 March 2008  
 

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