Should one of the main exhaust fan motors trip or fail to start, an alarm is initiated and indication is provided on the Operator Console Mimic.
如果一个主抽风机的电机无法启动，会发生警报并在操作控制台显示。
In the event of a vent fan failure, an alarm is initiated.
出现排气扇故障情况时，将出现报警。
The system uses a vent fan, a manually adjustable backpressure damper, a differential pressure-sensing gage, and an inlet air filter high differential pressure alarm switch.
此系统用一个排气扇，手动调节反压闸，压差传感器和一个进气过滤器压差高报警开关。
Gas fire controller has various functions such as failure alarm, closing blower fan and fire damper, and can feedback manual, automatic, alarming, failure and spray signals to the fire control centre.
气体灭火控制器主要具有各种故障报警及关闭风机、防火阀等联动功能，并实现建手动、自动、报警、故障、喷放等信号反馈至消防联动控制中心。
Three relays: Fan Operation, Alarm, Skip.
有风扇运转、警报、跳脱三种继电器。
The fan performance can be tested and calculated with the computer-aided test system. An alarm can be given when some defined accident happens by the system.
系统实现了风机性能参数的自动测试和计算，并可以对风机运行过程进行实时报警和远程通信。
Alarm output: frequent on or off signal, control exhaust fan, electrical magnetic valve signal.
报警输出：常开常闭信号，控制排风扇，电磁阀信号。
Alarm output: frequent on or off signal, control exhaust fan, electrical magnetic valve signal.
报警输出：常开常闭信号，控制排风扇，电磁阀信号。
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