... . CE,SRCC,SGS,ISO9001:2008,Solar Keymark Solar energy partsMain technical data about solar controller: 1. Externality size: ... System working pressure:0.6Mpa 8. Inputsignals: 3 temperature sensors(for top of tank, for bottom of tank, for ... Set tank temperature 10. Display flux 11.Disply system pressure 12. Storage tank overheating protection Solar controller and Expansion tank system Solar energy ...