The _ICO2NAis an innovative and compact transcritical compound system for the refrigerant R744 (_CO2) with a built-in gas cooler. It has a weatherproof housing in a modern design and is suitable for installation in very confined spaces. All four walls of the housing have doors that make commissioning and servicing easy. The series allows extensive customization options: It is available with semi-hermetic compressors from Dorin or Bitzer, as well as with various electronic controls and a range of accessories such as a heat recovery module. To ensure optimum efficiency even in hot climates, the _ICO2NAis designed for a pressure of 130 bar as standard.