Innovation and reliability in refrigeration
Among the different products developed through its R&D activity, Frigosystem presents the I-RES and I-RESW systems: the new range of water and air condensed fluid chillers using centrifugal compressors with magnetic levitation. The new I-RES systems represent one of the most efficient and reliable range of solutions available in the market today, as a result of many years of experience in the application of Turbocor technology. The cooling capacity is extended up to 1,700 kW, featuring unbeatable efficiency and reduced noise levels. These units, using R134 gas as refrigerant, produce refrigerated water by means of oil-free centrifugal compressors, a system which guarantees improved performance. The I-RES systems are able to withstand different loading conditions thanks to their accurate thermoregulation combined with the stepless variation of compressor speed. The highly innovative compressor with magnetic levitation devices and digital control of the rotor speed achieves partial load efficiency values never reached before. In particular, in the I-RESW water condensed range, the European Seasonal Energy Efficiency Ratio (ESEER) is equal to 9.52 kW (60% more efficient than traditional chillers). The helicoidal fan technology with EC electronic switching is another innovative feature introduced in the I-RES range, with over 90% efficiency and a much lower inrush current value, which means running cost savings. For this new series, Frigosystem R&D team opted for condensation batteries with copper pipes, which make the units highly resistant to corrosion, and aluminium fins, which ensure maximum resistance in contaminated industrial environments or in case of high atmospheric pollution. These batteries are perfectly combined with high levels of gas, ensuring energy efficiency. The shell and tube flooded evaporator construction technology, without oil in the refrigerant circuits, significantly increases the cooling capacity and optimizes the compressor operational mode. The electronic valve is adapted to allow optimal operation of the evaporator in all conditions. Furthermore, the new I-RES range extremely compact layout allows significant savings in terms of capital cost of required spaces. Also, the ultra-silent design is ideal for installation in industrial sites with strict noise limitations. All these technical features provide additional reliability and efficiency to the new Frigosystem I-RES, among the best in today’s market, in particular in the plastic sector, which remains the company’s core business. These systems have been recently installed in an extrusion plant in Central America (where the company has a commercial and logistic subsidiary) and in the Far East, where all the I-RES innovations are gradually replacing other technologies: the forerunners among plastic processors are choosing these ultraefficient systems, also bearing in mind their rapid payback time.
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