After opening Fusible
Link is fitted onto pins
Open using Reset Key
Mode A
INSTALLATION AND REPLACEMENT
OF FUSIBLE LINK
BLADE DETAIL
INTERLOCKING ACTION OPPOSED BLADE
STAINLESS STEEL CONSTRUCTION
REMOVABLE RESET KEY
TYPE A STEEL
FASCIA GRILLE
AIRFLOW
GALVANISED STEEL
FRAME CONSTRUCTION
Mode A
Fire Operated
3
Gilberts Smokegard Mode A has been designed
to allow the passage of ventilation air in normal
conditions and prevent the spread of
FLAMES
in fire
conditions. It is available in a wide range of sizes
to cater for most air flow requirements and is
supplied with a door sleeve suitable for a 45mm or
54mm door or a wall sleeve suitable for a wall or
partition of specified thickness. The damper can
be suitably masked on both sides either with steel
type A grilles or aluminium non-vision type B
grilles.
O
PERATION
: The unit is activated by an integral
fusible link assembly. This assembly is under
constant spring tension to close the interlocking
blades and is only released, under fire conditions,
by the melting of the holding solder at 72°C which
allows the blades to close
INSTANTLY
.
R
ESET
PROCEDURE
: Reset or initial setting is
accomplished by the insertion of a special key
through a hole in the inside frame (removal of
fascia grille is required for access). The key is
turned in a clockwise direction until the blades are
fully open and then, whilst holding the blades
open with the key, the fusible link is fitted over its
locating pins on the top pair of blades.
