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Functions of fire pump control panel

The electrical control cabinet of fire pump set mainly has the functions of starting and stopping the pump, switching between main and standby pumps, manual and automatic switching, dual power switching, patrol inspection, protection, and feedback for mechanical emergency start.

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1. Start and stop pump function. The control cabinet is equipped with a button for manually starting and stopping each fire pump, and is equipped with an input terminal for remotely controlling the start of the fire pump. The indicator lights and instruments corresponding to the start and stop of the fire pump should display normal.
2. Main and standby pump switching function. When the main pump fails, the standby pump will be put into operation automatically with a delay. The start-up time of the water pump should not exceed 2 minutes.
3. Manual and automatic conversion function. In the automatic state, the water pump can be started automatically or manually remotely, and the multi-line control panel can stop the water pump remotely. In the manual state, the pump can be started and stopped by the start-stop button of the control cabinet.
4. Dual power switching function. The control cabinet should have dual power supply automatic switching function. The power supply used by the fire pump should be fire power supply, and the dual power switching device can be installed near the electrical control cabinet of the fire pump group, or it can be installed in the electrical control cabinet of the fire pump group.
5. Inspection function. The control cabinet has the functions of regular automatic inspection and manual inspection. The high-power fire pump can use frequency conversion operation to reduce the impact on the power grid and pipe network when the pump is started.
6. Protection function. The control cabinet should have the functions of overload protection, short circuit protection, overvoltage protection, phase loss protection, undervoltage protection, and overheat protection. If the above conditions occur, the fault light of the electrical control cabinet of the fire pump unit will always be on and a fault signal will be sent out.
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    Fire pumps are a type of pump used in fire fighting. Compared to ordinary pumps, fire pumps have higher standards and requirements in terms of sealing, corrosion resistance and operational efficiency. Before running the fire pump equipment, we need to discharge the gas inside the pump, do you know what is the significance of doing so? The following is the answer from Shanghai Xizhiquan.

    1. If there is gas inside the fire pump, then the equipment cannot form a sufficient vacuum during operation, resulting in the liquid not being able to be sucked up. This phenomenon is called gas binding, and is a phenomenon that often results from many operators not understanding this operation.
    2, understand the formation of gas binding causes, we will understand how to avoid this problem occurs. Before the fire pump equipment is started, the pump casing needs to be filled with liquid. In the pump suction pipe mouth need to be equipped with a non-return valve, can effectively avoid the pump in the liquid due to gravity into the low tank, if the pump position is low, there is no need to carry out filling the pump.
    3. The compressed gas inside the fire pump will occupy a certain space in the fire pump, making it impossible to seal it.

    Therefore, the operation of deflating the fire pump before putting it into use can increase the vacuum of the equipment and increase the pumping capacity of the pump, thus effectively improving the efficiency of the equipment and reducing the waste of resources.