... the tank, providing accurate parameter. temperature feeler/Solar Water Heater Controller System is used to detect the temperature and level of water in ... Auto mode 5, Water level pre-setup 6, Manual water loading 7, Temperature controlled water loading 8, Timing water loading 9, ... 11,Increasing Water pressure during water is loaded. 12,Manual heating 13,Timing heating 14,Hot water circulation 15,Hot ...