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).
Grille Tab Option for Fire, Smoke, and
Combination Fire Smoke Dampers
DFD & FD Series
FSD Series
SMD series
SLEEVE LENGTH
WIDTH
"K" DIM
1/2
HEIGHT
HEIGHT
BOTTOM
TOP
FD/DFD W/TABS
SLEEVE LENGTH
WIDTH
"K" DIM
1/2
HEIGHT
HEIGHT
BOTTOM
TOP
FD/DFD W/TABS
2 in.
3/4 in.
Refer to:
‘Installation Instructions for Single Side
Retaining Angle Supplement (Part #462099) for
additional details.
Copyright © 2008 Greenheck Fan Corporation
Grille option for Fire, Combination Fire Smoke,
Smoke Dampers Rev. 3 July 2008
Curtain style FD/DFD series
SLEEVE LENGTH
WIDTH
"A" DIM
1/2
HEIGHT
HEIGHT
BOTTOM
TOP
FD/DFD W/TABS
Multi-blade DFD series,
FSD series & SMD series
-
1
Greenheck Fan DFD & FD Series User manual
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