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FBC
FBC
ovER vIEw
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1 - 4 - 7
1.9.
Mechanism type
1.9.1.
Manual
Blade closing mode
Automatic closing with thermal fuse.
The control mechanism has a thermosensitive element that automatically closes the blade when the temperature in the
duct exceeds 70°C.
The damper can be closed manually as per the following instructions.
The fire damper is equipped with a spring for closing the blade: pay attention to the hands.
Blade opening mode
Make sure that the damper is open before the ventilation system start-up, otherwise there is a risk of product malfunction.
In case of closed damper as a result of the action of the thermosensitive element, it is possible to manually reopen the
damper once the thermosensitive element has been replaced.
The fire damper can be opened manually as per the following instructions.
The fire damper is equipped with a spring for closing the blade: pay attention to the hands.
Position indication microswitch
on request, the fire damper can be equipped with a position microswitch (see section Accessories and spare parts) that
signals the closed blade position. See section Electrical connections for more details.
Temperature calibration of thermosensitive element for automatic damper closing
70 °C±7 °C
8
8/78
We reserve the right to make changes without prior notice
rev 24-01
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