Is used for :Geyser timerSolar water heating differential controller Displays the following:water temperature timedayheating modemail-function conditions Displays the following:water temperature timedayheating modemail-function conditions Multiple protection functions:dry heatheat failureearth leakageprobe failurewater leak Main features:auto or manual heatingsetting of temperatures (30ºC – 65ºC) factory default is 55ºC4 different temperature settingsdaily programmable timer with four time settingsbattery backup in event of load-sheddingerror condition warning by code E1 to E9differential control for Solar Pump Systemanode depletion indicatorhome alarm interfac