Danfoss Inverter Scroll, VZH, for Commercial Applications in Air Conditioning

  • VZH inverter scroll compressors - Danfoss
  • Advanced efficiency, extended

    Danfoss inverter scroll compressor VZH is the second generation of scroll compressors offering variable speed technology for commercial applications in air conditioning. It allows OEMs to stand out in the commercial HVAC and process cooling marketplaces from 4 to 52 TR (15 – 184 kW) and to exceed the upgraded energy level requirements.

    Boost your packaged air conditioning units, rooftops, chillers with the Danfoss VZH range…
    The energy regulations generate several challenges that can be easily taken up with variable speed technology. Inverter compressors are the best way to obtain and exceed the energy standards with high part-load and seasonal efficiency while providing several other key benefits.

    On top of the advantages provided by the technology (precise cooling, low start-up current, energy efficiency etc), Danfoss inverter scrolls VZH have specific features that offer high value to the customers and end users:

    • Advanced efficiency through a wide range of applications with scroll platforms featuring Permanent Magnet Motors and optimization for different pressure ratios
    • Extended cooling capacities from 4 to 26TR and up to 52TR in manifold: the VZH range provides the widest inverter scroll compressor range in the market for commercial air conditioning applications. 

    … Shorten time to market and increase reliability
    Danfoss offers dedicated drives for Danfoss Inverter Scrolls for the Light Commercial and Commercial markets. The perfect match of compressor and drive from a single supplier greatly reduces the qualification effort of the OEM, reducing the OEM’s time to market. The end user can expect maximum product satisfaction because an expert team of Danfoss engineers, with years of variable speed compressor experience, developed the entire package.
    Danfoss drives and logic provide several other benefits such as low in-rush current, EMC compliance and built-in harmonic filters, suitability for varied climates, user-friendliness, embedded Modbus protocol etc.

    Danfoss inverter solutions provide 5% higher seasonal efficiency versus existing inverter technologies and more drive functionalities and integrated components.

    Why a second generation of variable speed compressor?
    One of the focus areas of Danfoss today is to offer effective and reliable solutions to drive innovation and differentiation while taking up the climate and energy challenges.
    Variable speed solutions are the best means to deliver the efficiency and performance levels required for different climates and part load conditions in varied applications in air conditioning such as: VRF, air handling units, chillers, rooftops, packaged splits or IT and process cooling units. The inverter technology also provides other important benefits such as precise temperature control, especially important for the cooling of IT equipment, industrial processes, or humidity management for building such as museums or libraries, etc.

    The second generation of inverter solutions by Danfoss is now stepping beyond the energy point of view. The optimization for different pressure ratios and permanent magnet motors in inverter scroll compressors are the major contributors to these performance levels. 

     

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