Inverter type outdoor units (compressor with variable capacity) provides the following advantages of the inverter, as more precise adjustment and maintenance of the temperature, "smooth" cycles work - start without overloading the power supply. Due to intelligent microprocessor control - such systems provide energy savings at the level of class «B» and above. Manage the outdoor unit can only indoor unit, supplied or other type- Idea applies universal outdoor units as part of semi-split systems of various types.