Greenheck Fan Ventilation Hood DFD FD Series User Manual

Grille Tab Option for Fire, Smoke, and  
Combination Fire Smoke Dampers  
DFD & FD Series  
FSD Series  
Refer to:  
‘Installation Instructions for Single Side  
Retaining Angle Supplement (Part #462099) for  
additional details.  
SMD series  
Application  
The grille option for Fire, Combination Fire Smoke and Smoke Dampers provides mounting tabs on the sleeve to  
ease installation of grilles in the field. The tabs are made out of 20 gauge (1mm) galvanized steel (3/4 inch x 2 in.  
long [19mm x 51mm]) with .149 in. (3.8mm) diameter hole for fastening of grille. The flanges are concealed when  
the grille is installed. The grille option is limited to 48 in. x 48 in. (1219mm x 1219mm).  
2 in.  
TOP  
3/4 in.  
HEIGHT  
1/2  
HEIGHT  
BOTTOM  
TOP  
TH  
LENG  
"K" DIM  
WIDTH  
SLEEVE  
Curtain style FD/DFD series  
HEIGHT  
1/2  
HEIGHT  
BOTTOM  
WIDTH  
Multi-blade DFD series,  
FSD series & SMD series  
Copyright © 2008 Greenheck Fan Corporation  
Grille option for Fire, Combination Fire Smoke,  
Smoke Dampers Rev. 3 July 2008  
 

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