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A simplified model for assessing improvement potential of air-to-air conditioners and heat pumps.

Number: pap. 2203

Author(s) : ASLOUNE H., RIVIÈRE P.

Summary

Many countries have adopted energy efficiency regulations for mini-split type air conditioners in the world. For these products, energy efficiency metrics is moving to seasonal performance evaluation. Many countries have already changed their metrics and many others are planning to customize the ISO 16358:2013 CSPF (Cooling Seasonal Performance Factor) and HSPF (Heating Seasonal Performance Factor) indicators to their own climate and use of air conditioners.

To build policies to justify the need for implementing MEPS (Minimum Energy Performance Standard) and energy label programs, technico-economic model is required. A standard product is to be modeled as well as potential improvement options. The complexity of the task increases significantly when shifting from one or two test point (rated EER or COP) to several test points to compute SEER and SCOP.

In this context, we propose a simple model to evaluate the various EER and COP values for different part load conditions in such a regulatory context. The model is first described; governing equations by component are given, as well as technical parameters required as input. The model is validated using several different units for which EER and COP at part load conditions according EU seasonal performance standard are known. Potential of the model to simulate improvement options in view of regulatory development is discussed in conclusion, as well as potential improvements.

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Pages: 10

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Details

  • Original title: A simplified model for assessing improvement potential of air-to-air conditioners and heat pumps.
  • Record ID : 30024445
  • Languages: English
  • Source: 2018 Purdue Conferences. 17th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2018/07/09

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