Germany-based RESOL has announced the availability of it DeltaSol BS controllers for solar thermal systems. The series covers the spectrum of system needs, from a simple differential controller up to a two-circuit solar controller with VBus output, the company says.
The DeltaSol BS controller is used in standard solar thermal systems. The controller offers a clear operating concept and is equipped with a newly developed illuminated display with system-monitoring functionality. Flashing symbols for sensors, pumps and valves enable an immediate display of temperatures, temperature differences and active outputs RESOL says.
An extension of the standard-version DeltaSol BS/1 (with one standard relay) is the DeltaSol BS/3 (with two standard relays and an additional thermostat function). The DeltaSol BS Plus is preprogrammed for different basic systems and ideal for controlling solar systems with one or two storage tanks. It is additionally equipped with the RESOL Vbus, the company says.
