The Grundfos CU-200 Control Unit is for use with utility power or sine wave inverters for AC, or series PV arrays for DC.
A user-friendly interface box that maintains two-way communication with the pump and monitors the operating conditions. Built-in diagnostics indicate faults and dry-running, operating status power consumption and level switch input. Built in system monitor display shows pump operation, full tank, input power (watts), Alarm indicator for dry run, overvoltage, overload, and over-temperature.
The CU 200 control unit is a combined status, control and communication unit especially developed for the SQFlex system. Furthermore, the CU 200 enables connection of a level switch. May be used with the IO-100 and/or IO-102.
The CU 200 incorporates cable entries for:
This controller will NOT work with modified sine wave inverters such as the Xantrex TR series or any of the discount inverters often sold in stores.