Quanzhou Ausenist Technology Co., Ltd -
Master-Auxiliary vs Synchronous Multi-Pump Control With the YS820
Compare YS820 master-auxiliary and synchronous multi-pump control modes for constant-pressure water systems. -
Using the YS820 for Constant-Pressure Agricultural Irrigation
Plan a YS820 irrigation pump system using pressure feedback, sleep control, water-shortage protection and multi-pump operation. -
Why Does a VFD-Controlled Water Pump Start Too Frequently?
Diagnose frequent pump starts by checking leaks, non-return valves, pressure feedback, start pressure and YS820 sleep settings. -
How to Plan a Five-Pump Constant-Pressure System With YS820 Drives
Plan drive roles, sensors, communication, rotation and fault tests for a YS820 system with one master and up to four auxiliary pumps. -
How Anti-Freeze Pump Protection Helps Seasonal Water Systems
Understand the YS820 anti-freeze function, its limits and the additional measures required for pumps exposed to low temperatures. -
220V or 380V Pump Drive? Planning a Customized YS820 Package
Choose a standard 220V or 380V YS820 package and learn what information is needed for voltage, branding and parameter customization. -
Designing a Reliable Multi-Pump System With YS620 or YS820 Drives
Use master redundancy, auxiliary fault bypass, pump rotation and commissioning tests to improve YS620 or YS820 multi-pump reliability. -
Water Shortage Protection in a Pump VFD: What Industrial Buyers Should Specify
Understand how the YS620 detects low-pressure water-shortage conditions, stops the pump and manages automatic restart attempts.