When the fire is confirmed, it should be able to open the exhaust area of the exhaust port and the exhaust fan, and automatically close the smoke and exhaust ventilation, air-conditioning system.
1, the general residential basement for storage function, and divided into small storage room, smoke exhaust system, a system is responsible for the 1 or 2 smoke partitions, and smoke spread quickly, and the valve opening and closing.
2, personally think that instead of reducing the safety of the system, so the use of all open smoke outlet is better, usually open exhaust, the fire is also open, more than 280 degrees off.
3, a number of smoke exhaust exhaust ventilation system, in this case, the best is the electric valve + smoke outlet
4, usually open ventilation, fire fire smoke non electric valve division set up close in the branch, more than 280 degree air blown off, such as smoke spread to other smoke control and open the anti electric valve on the pipe smoke partition.
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