NRGI series are air-cooled outdoor chiller designed to meet air conditioning needs in residential/commercial complexes or industrial applications. These are outdoor units with streamlined scroll compressors used with R32 gas. They are equipped with condensing coil with copper pipes and aluminium louvers, plate heat exchanger and standard electronic expansion valve. They work at full load up to 46 °C external air temperature. Unit can produce chilled water up to -10 °C. They can be configured with a single variable speed compressor or two in tandem configuration, one steady and one variable speed. This pair guarantees high efficiency both with partial and full loads.