Powertech automation solutions supplies powertech-make economic eco cool, which is an energy efficient version of air air conditioner conditioner [ac] controllers controllers suitable ideal for nonstopcontinuous operation and supervision of multiple acs acs at unmanned sites, . As a result it guaranteesensures maximum efficiency of acs and considerablehuge amount of energy saving, as economic eco coolit controlsoperates only those numbers of ac, which are sufficientadequate to maintain the temperature [cyclic operation]. It the economic eco cool ac controller incorporatesincludes manyvarious user- settable parameters. The economic eco cool ac controller`s operational featuresfeatures include: state-of-the-arthigh-tech micro controller technology; user-friendlycomprehensible programming; cyclic operation of ac; auto/manual mode of operation; temperature dependent operation; status indication for separate ac; seven segment display for temperature monitoring; status indication for separate ac; rs-232/rs485 communication [optional]; potential free contacts for alarm extension; under/over voltage protection; cyclic operation of ac; temperature dependent operation; compatible with data loggers [optional]; rs-232/rs485 communication [optional]; potential free contacts for alarm extension; in-built buzzer; and enclosure with powder coated crc sheet metal.