Greenheck Fan SMD, DFD, FD User Manual

Grille Tab Option for Fire, Smoke, and

SLEEVE LENGTH

WIDTH

"K" DIM

1/2

HEIGHT

HEIGHT

BOTTOM

TOP

FD/DFD W/TABS

TOP

FD/DFD W/TABS

SLEEVE LENGTH

WIDTH

"A" DIM

1/2

HEIGHT

HEIGHT

BOTTOM

TOP

FD/DFD W/TABS

Combination Fire Smoke Dampers

DFD & FD Series

Refer to:
‘Installation Instructions for Single Side
Retaining Angle Supplement (Part #462099) for
additional details.

FSD Series

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.

3/4 in.

Multi-blade DFD series,
FSD series & SMD series

Curtain style FD/DFD series

Copyright © 2008 Greenheck Fan Corporation

Grille option for Fire, Combination Fire Smoke,

Smoke Dampers Rev. 3 July 2008