ASPD - Automation for rainwater pumping stations

The control of a rainwater pumping station differs from the control of a regular sewage pumping station in the delay between switching on the next pump and switching on the alarm signal. This is due to the frequent need to switch on two or more pumps to immediately remove rainwater from the tank during, for example, heavy rain. However, this is not an extraordinary situation because rainwater pumping stations are designed for maximum output with all pumps working in parallel. Therefore, in our ASPDs we use five-float control and the recommended level signal set for them is ZSP-5.