Inverter scroll compressor

The VZH inverter scroll compressor is optimized for different pressure ratios to increase energy efficiency.


The VZH inverter scroll compressor is optimized for different pressure ratios to increase energy efficiency. Courtesy: DanfossThe VZH inverter scroll compressor uses a brushless interior permanent magnet (IPM) design and is optimized for different pressure ratios to deliver energy savings of more than 30 percent compared to a fixed or mechanically modulating compressor. The variable speed technology provides infinite and smooth capacity modulation, delivering precise temperature control within ±0.3°C/0.1°F of the set point. A 4:1 modulation ratio allows the VZH inverter scroll compressor to modulate from 25 to 100 RPS for greater savings. Furthermore, pre-equipped tandem capability extends the cooling capacity to 52TR and a 12 to 100 percent stepless modulation where low part-loads are needed.


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