• Low-noise operation due to fluid-cooled motor
• Drinking water approval for all parts that come into contact with the fluid
• Electrical connection cable incl. mains plug
• Two constant speeds (Mode 1, Mode 2) in automatic or manual operation
• Control lamps (LED) for the operating status
• Pressure compensation vessel for constant operating pressure
• Thermal motor protection
• Integrated pressure sensor for:
  • automatic operation,
  • dry-running protection(low water protection) and overpressure protection
• Integrated temperature sensor for:
  • motor blocking protection,
  • excess temperature protection and anti-freezing protection

Operating modes

• Constant pressure p-c
• Constant differential pressure ∆p-c
• Variable differential pressure ∆p-v
• Constant speed n-c
• PID control

Analogue input

• IN (AI 1): Input sensor signal 4-20 mA, 0-10 V, 0-20 mA or 2-10 V
• IN (AI 2): Input setpoint 0-20 mA, 0-10 V, 4-20 mA, 2-10 V or input sensor signal 4-20 mA, 0-10 V, 0-20 mA or 2-10 V

Digital input IN (DI 1)

• Extern off
• Lack of water detection by binary input

Functions

• Max. pressure limit detection
• Min. pressure limit detection
• Lack of water detection by suction sensor
• Zero-flow test (open loop)
• No-Flow Stop (closed loop)
• Dry-running detection
• Volume flow calculation by using differential pressure sensor
• Pump kick
• Error and warning codes
• Overload protection
• Plug-in position for Wilo CIF-Modules PLR, LON, BACnet MS/TP, Modbus RTU, CANopen, Ethernet Multi-protocol (Modbus TCP, BACnet/IP) for connection to the building automation

Dual pump management (2 x single pumps)

• Main/standby operation
• Pump cycling main/standby operation after 24 hours or automatic fault-actuated switchover
• Wired connection via Wilo Net