| 摘要 |
An air flow control system for controlling the air flow within a building having a blower for recirculating the air in the building is disclosed comprising vents for venting air out of the building and means for closing the vents upon the detection of fire, smoke, or high heat in the building. The system also includes sensors for detecting fire, smoke, or high heat in the building. A breaker switch connected to the blower is also included in the system for disabling the blower to stop recirculation of the air upon the detection of fire, smoke, and high heat in the building.
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