SR208C Solar Water Heater Controller Remote AC 100 240V for Solar Heating System Main functions: AH Afterheating/thermostat; Password protection; LOAD Tank heating<br> OCEM emergency shutdown; OCCO cooling; OCMI minimum temperature<br> OCFR Antifreeze; OTCO Tube ; PUMP Pump control mode; OSYC System cooling; OSTC Tank cooling; MAN Manual mode<br> BLPR Blocking protection; OTDI Thermal Disinfection; UNIT C-F switch<br> BEEP fault warning; Memory function; Screen protection; checking<br> TECHNICAL DATA<br> Size of Controller:178mm x120mm x43mm<br> Power supply:AC100-240V,50-60Hz.<br> Power consumption: Less than 2.5W<br> Accuracy of temperature measuring: 0.1C<br> Range of temperature measuring: -10C ~220C<br> Range of tank temperature measuring: 0C ~110C<br> Suitable power of pump: 1 pump possible to be connected, output power Less than 300W .<br> Suitable power of (backup heating): 1pc 500W .<br> Inputs: 3 sensors,<br> 1pcs*Pt1000 sensor (500C) for (silicon cable280C),<br> 2pcs*NTC10K, B3950 sensor ( 135C) for tank, (PVC cable 105C),<br> Outputs:2 relays, for circulation pump and backup heating<br> temperature:-10C ~ 50C.<br> Water proof : IP41<br> Plug Type:EU Plug,it applies to Indonesia, , , , and so on<br> Voltage: AC100-240V<br> color:As shown<br> Material:plastic<br> Package Contents:<br> 1 x SR208C Solar Water Heat Controller(Wifi)<br> Only the above package content, other are not included.<br> Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.