solar Controllers working station

Main functions1.display clock and week2.display temperature:for top of tank,for heat collector,for bottom of tank3.temperature difference circulation pump provide three working scopes to choose 4.temperature difference circulation 5.three periods timing circulation for water-using end6.three periods timing heating7.frost protection for heat collector8.memory function9.display the fault of temperature sensor10.display the flux11.display the system pressure12.choose system (1-8 system available)13.high temperature protection for water tank14.heat collector cooling function15.control the pump of the water-using end by time and temperature16.holiday function17.protect function (memory when power off,contradict bacterium)18.stop circulation (between heat collector and tank auto-matically under high temperature) 19.adjust the start temperature and stop temperature for the temperature difference circulation