The refrigeration unit is designed for cold supply of premises and technological equipment by direct boiling of refrigerant in heat exchangers, as well as with the use of intermediate refrigerant circuit. The unit is based on a scroll/piston/compressor of different temperature levels. The unit is delivered assembled and complete with control panels. A set of operating documentation (operating manual, passport) is attached to the unit. The warranty period of the unit is 12 months from the date of commissioning, but not more than 18 months from the date of shipment.