Get the confidence that your AC is perfectly Installed. With smart installation feature you can now enjoy complete peace of mind as the feature allows you to automatically check if the installation has been carried out perfectly by the installation team. The feature at a press of button allows IDU and ODU to perform a self check and revert, if any, possible chances of any installation error. The self check take approx 7 to 13 mins and if no error then number 99 appears on the digital display screen.