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Danfoss Variable Speed Commercial Compressors

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Danfoss Variable Speed Commercial Compressors

Screen Shot 2014-02-16 at 6.06.17 PMDanfoss extends its inverter scroll compressor range VZH in 2014 to include three new models. The variable speed VZH compressors provide superior efficiency at part-load conditions, can improve efficiency by more than 30 percent compared to fixed-speed compressors, and offer precise cooling capabilities. Designed for small rooftop and process cooling applications, the new inverter scroll compressor range VZH will introduce cooling capacities between 4 and 6.5TR with a single compressor, and up to 13 tons with a manifold configuration. With a permanent magnet motor and patented Danfoss Intermediate Discharge Valves (IDV), which can help improve part-load efficiency by up to 24 percent, the new variable speed compressor range VZH will facilitate efficiency ratings up to 21 IEER and can modulate from 15 to 100 RPS.

Additionally, a pre-qualified package, including the Danfoss inverter scroll compressor VZH and drive optimized to work together, is fully integrated to save time in unit development, ensure a more reliable solution to improve product time to market, and enhance overall system efficiency. The first VZH models were released in December 2012, ranging from 13 to 26TR and suitable for chiller and large rooftop applications.

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