Description：
used on the wall of the building or atria, or intalled in the smoke vent. When fire is happening, the operation setting will open the smoke vent to let out under the power DC24V.
 
Capability:
Smoke sensor give out the fire alarm, control center will connect DC 24V power, and open the smoke vent.
When the smoke vent is open, output the shutting signal, can interlock with fire-extinguishing system or other settings.
reposition by electronic setting
Operation part can be build-in or  lay-out.
The open angle will be 90°