Description：
used on the wall of the building, atria, smoke system of the room without window, or intalled on the wall or ceiling as the air outlet of the smoke vent.
When fire is happening, the vavle will be open through the power DC24V.
According to the functional smoke outlet of the system, PYK-3 will turn off the valve to cut off the airflow ,when the smoke temperature reaches 280℃.
Functions:
Smoke sensor indicates the firealarm, the contral center go through DC 27V to turn on the valve.
Turn on the valve manually.
Manual reposition.
PYK-3 will turn off again when the temperature reaches 280℃.
PYK-3W、PYK-3L、PYK-2W、PYK-2L is the telecontrol(no more than 6M).
When the smoke vent is open, output shutting signal, can interlock with fire extinguisher system and other setting.
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