What is the problem of buzzer alarm in fire pump control cabinet?
The fire pump control principle: when the fire occurred, closed fire hydrant button (or by the fire, the fire pump control host) to achieve star delta start, or soft start, automatic water spray extinguishing device, fire hydrant water for fire fighting with also.
In accordance with fire power control requirements, relays, contactors and so on, only overload, no power, this situation is mostly thermal relay, the need to adjust the current.
Fire pump control system by microcomputer program and control circuit, all the work state control device of the electric control box, and through the "check control system" to check the entire device, once the fault will give an alarm signal. The bidder's equipment shall have two working conditions, namely, self inspection and emergency.
