Grundfos CU 352 is an advanced pump controller used in Hydro MPC booster systems to manage up to six pumps with intelligent control and energy optimization.

Overview: Grundfos CU 352 Controller

• Full Name: Grundfos Control Unit CU 352
• Application: Central controller for Hydro MPC booster systems
• Pump Compatibility: Controls up to 6 pumps (CR, CRE, CRXL series)
• Control Type: Multi-pump control with digital and analog I/O

Key Features

• Intelligent Pump Management:
  • Automatically adjusts the number of pumps running based on demand
  • Calculates optimal start speed using pump curve data, flow rate, pressure, and power consumption
• Energy Efficiency:
  • Maintains high efficiency across a wide flow range
  • Supports proportional pressure control to reduce energy use during low demand
• User Interface:
  • Large display with intuitive navigation
  • Real-time system monitoring and diagnostics
• Communication:
  • Supports fieldbus protocols (e.g., Profibus, Modbus)
  • Internal GENIbus connection for Grundfos components
• Safety & Protection:
  • Dry-run protection
  • Soft pressure build-up
  • Forced pump changeover
  • Alarm management