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HC-290 as an alternative refrigerant for split air conditioning systems in high ambient temperatures.

Number: pap. n. 34

Author(s) : COLBOURNE D., RAJADHYAKSHA D. D., SAHU A., et al.

Summary

The predominant alternative refrigerant for air conditioners in non-Article 5 countries which have almost completed the HCFC phase-out is R-410A. Whilst most non-Article 5 countries (under the Montreal Protocol) have for mostly temperate climates, many Article 5 countries experience extremely high ambient temperatures. This is considered to pose potential problems when switching from HCFC-22 to R-410A as the critical point of the latter is considerably lower, thus the implication of a greater drop off in efficiency and capacity at higher condensing temperatures compared to HCFC-22. For this reason, many countries and enterprises are considering the use of hydrocarbon refrigerants such as HC-290 for room air conditioners. The present work addresses the performance of an HCFC-22 and HC-290 split type air conditioner specifically at high ambient temperatures. The result for the HC-290 equipment tested shows no notable degradation in cooling capacity or efficiency compared to the HCFC-22 model.

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Pages: 8 p.

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Details

  • Original title: HC-290 as an alternative refrigerant for split air conditioning systems in high ambient temperatures.
  • Record ID : 30008915
  • Languages: English
  • Source: Compressors 2013: 8th International Conference on Compressors and Coolants.
  • Publication date: 2013/09/02

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