Underwriters Laboratories publishes safety standards for refrigerant retrofits.

Type of article: Article

Summary

The Underwriters Laboratories in the USA have issued three new standards concerning the retrofitting of refrigeration and air-conditioning plants with substitute refrigerants. UL2170 covers the equipment for field retrofit. UL2171 covers test procedures for evaluating the compatibility of a substitute refrigerant with hermetic motors and lubricants in existing systems, and UL2172 applies to the personel concerned with such retrofits. A guide is available which presents an overview of the situation and standards. D.W.H.

Details

  • Original title: Underwriters Laboratories publishes safety standards for refrigerant retrofits.
  • Record ID : 1994-3938
  • Languages: English
  • Subject: Regulation
  • Source: Air Cond. Heat. Refrig. News - vol. 190 - n. 15
  • Publication date: 1993/12/13
  • Document available for consultation in the library of the IIR headquarters only.

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