Works Equipment initial operation, the first based on local water pipe network water pressure is set to the minimum limit value pressure protection, water flow into the pump inlet and the tank, the tank is automatically discharged through the air vent, the device is powered automatic work place state. Microcomputer control system real-time detection of water pipe network water pressure and water pressure pipe network users. When low water peak when the water supply pipe network and quantity, water pressure pipe network pressure to fully meet user requirements, the computer control system so that the pump goes to sleep or into the regulator by the regulator system, keeping state, water users are from equipment bypass pipe direct supply users, saving 100% water peak, when the full amount of the water supply pipe network, lack of pressure, water microcomputer control system, according to the desired frequency soft start pump the water pump inlet water pressure and users, the implementation of the superposition booster, how much less, make up, that make full use of existing water pipe network pressure, but also to ensure that users need constant pressure. When the water supply pipe network when the water pressure drops to protect the user pre-set pressure value, computer control system through the intelligent overlay protection devices to ensure the water supply pipe network pressure is no longer declining, straight bottom water supply pipe network pressure without breaking, pressure but also to meet. When the lack of water supply pipe network volume, when the pressure is inadequate, computer control systems and intelligent overlay protective device coordination of movements, connected to the tank water pump inlet smart devices automatically open water from the tank to the user frequency of water supply, ensure that the equipment does not produce negative pressure water pipe network, users can fully guarantee the normal water. When the system outage, restore natural water supply pipe network, incoming calls, automatic wake-up. When the water pipe network without water tank Applications: residential quarters, offices, schools, hospitals, shopping malls, office buildings, Building domestic water; the transformation of the existing water tower water supply equipment, can take advantage of existing resources; waterworks pumping station and water supply large intermediate booster pump station; industrial and mining production water of life; there is circulating water system regulator requirements. Within the water level dropped to the lowest level, the automatic shutdown, runoff and restore normal operation. Technical parameters: (1) flow 0 ~ 10000m3 / h; (2) the pressure range 0 ~ 1.6Mpa; (3) controls the power 0 ~ 250kw; (4) the ambient temperature 0 ~ 40 ℃; (5) Power: ~ 380V, 50HZ.