The DeltaSol^® BS Plus controller is pre-programmed for different hydraulic basic systems and equipped with pump speed control and heat quantity measurement.

The controller additionally has a timecontrolled thermostat function and is equipped with the RESOL VBus^® for data communication.
This VBus^® permits two way communication between modules, PCs or dataloggers. The controller can easily be configurated by PC using the RESOL Service center software. Temperatures in certain time slots can be adjusted independently using the integrated thermostat function and real time clock. 

Please Note these are no longer stock items and have to be ordered in from Germany.  The lead time can be up to 6 weeks.  For a suitable replacement use the DeltaSol CS controller.  View here..