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Question:

Central fire control cabinet cabinet what Qintai GT1901

Central fire control cabinet cabinet what Qintai GT1901

Answer:

Smoke detection to smoke, or a manual fire alarm and fire linkage signal to the host, the host according to the alarm signal to send a command signal to the fan control module (module is usually installed in the wind electric control box, it will move outside) module, module is equivalent to a relay. It is equivalent to the action, the switch is closed, a 24V voltage 24V current through the switch to wind electric control box of the relay (this is a genuine relay, not what module), the relay contact action, through the two circuit of the electric control box the transmission of power to the fan, the fan will move Hula hoop! Quarrel like hell!
Fan fire linkage principle is very simple, that is, one or 2 (usually 2 simultaneous detection of smoke signals, one or 2 can be set by fire linkage host)

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