Non negative pressure variable frequency water supply equipment, variable frequency water supply equipment manufacturer, box type stacked variable frequency water supply equipment

Description :

Non negative pressure variable frequency water supply equipmentFeatures:

　　1. No negative pressure: The system is directly connected to the municipal water supply network for water intake and pressurized operation, which will not cause negative pressure in the municipal water supply network.

　　2. Borrowing pressure (or stacking pressure): When exceeding the permitted suction pressure and flow rate, pressure can be increased on the basis of the pressure in the tap water pipeline network. Compared to drawing water from a regular reservoir, it can reduce the number of water pumps and/or lower the speed during operation to achieve energy-saving goals.

　　3. Variable frequency constant pressure: The equipment detects the outlet pressure in real time through sensors, compares the detected value with the set value, and determines the number of sets of motors and water pumps to be put into operation and the output frequency of the frequency converter (reflected in the motor and water pump speed) to achieve constant pressure by following the water consumption curve.

　　4. Noise free: Adopting modern design concepts and fully considering the environmental requirements of modern people, a dedicated frequency converter for noise reduction is selected, and noise reduction design methods are used, so the system can operate ultra quietly.

　　5. Highly automated: The system can achieve fully automatic control, with functions such as manual/automatic switching, timed rotation of main and auxiliary pumps, pressure adjustment, constant voltage, high and low voltage protection, under phase protection, leakage protection, overload protection, overheating protection, water shortage protection, water leakage detection compensation, no water stop, and instant trip protection. Alternatively, the human-machine interface can be configured according to user needs, allowing for visual remote adjustment, monitoring, and maintenance

Variable frequency water supply equipmentComplete functional design:

　　1. According to the system control requirements, make reasonable equipment selection, programmable controller selection, parameter setting, and program design;

　　2. The variable frequency controller has self-protection and fault handling capabilities such as overcurrent, overvoltage, undervoltage, overload, short circuit, overheating, stall prevention, instantaneous power outage protection, automatic restart upon power restoration, automatic low flow shutdown, and automatic motor temperature control;

　　3. The operation and switching process of the water pump is fully automatic, with functions such as automatic fault alarm, automatic regular inspection, automatic accumulation of working time, automatic timed rotation, and automatic shutdown of the faulty pump. Soft start and soft stop are used to reduce the impact current;

　　4. Complete monitoring and control of water level, temperature difference, pressure difference, etc. in the reservoir;

Non negative pressure variable frequency water supply equipmentmanufacturer

　　1. The installation of variable frequency water supply equipment should be carried out in a well ventilated, dust-free, and non humid environment with a humidity range of -10 ℃ to 40 ℃. Rainproof and lightning protection facilities should be installed outdoors;

　　2. For the convenience of installing and maintaining variable frequency water supply equipment and non negative pressure water supply equipment, a space of 70cm should be left around the equipment, a space of 1.5m should be reserved at the manhole, and drainage ditches should be set up on the surrounding ground;

　　3. After selecting the site for variable frequency water supply equipment and non negative pressure water supply equipment, the foundation should be prepared and the tank support seat should be poured with concrete or built with bricks and stones. After the base is completely cured, lift the tank and stabilize it, then install the accessories and connect the power supply;

　　4. Before the test drive, the water supply valve should be closed first, and the condition of each sealing valve should be checked to ensure that there is no leakage. After driving, attention should be paid to the direction of the pump. When the pressure gauge pointer reaches the upper limit, the pump automatically stops. Open the water supply valve to supply water normally. If timed water supply is required, turn the selection switch to the manual position;

　　5. Variable frequency water supply equipment and non negative pressure water supply equipment pump units should be regularly inspected, maintained, and lubricated. If leakage is found in centrifugal pumps and check valves, the flange screws should be tightened or asbestos roots replaced in a timely manner. Check that the pump foot bolts are not loose to prevent damage to the machine;

　　6. The electrical automatic control system should be waterproof and dustproof, and the insulation of the circuit should be checked regularly to ensure that the connecting bolts are loose and the wires are intact. The pressure gauge is easily wrapped with transparent material to prevent damage;

　　7. If the paint peeling off is found on the tank, it should be painted and maintained in a timely manner to extend its service life.

AfterSalesService :

• Non negative pressure variable frequency water supply equipment