UL 2171-1993 通过更迭制冷剂对产品进行现场转换和改型.绝缘材料和制冷剂兼容性

标准号：UL 2171-1993
中文标准名称：通过更迭制冷剂对产品进行现场转换和改型.绝缘材料和制冷剂兼容性
英文标准名称：UL Standard for Safety Field Conversion/Retrofit of Products to Change to an Alternative Refrigerant - Insulating Material and Refrigerant Compatibility First Edition; Reprint with Revisions Through and Including October 26, 2006
标准类型：G04
发布日期：1993/9/17 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：G04
国际标准分类号：27.200
适用范围：1.1 These requirments cover test procedures to be used for the evaluation of the compatability of an alternative refrigerant with hermetic motor-compressor insulating materials and lubricants used in refrigeration and air conditioning equipment when the alternative refrigerant is used to replace the existing refrigerant in existing equipment. 1.2 These requirements are primarily intended to be used to investigate the retrofit of existing equipment to alternative refrigerants for compliance with the requirements in this document and the documents specified in Section 2. 1.3 These requiremnts apply to the hermetic motor-compressed insulating materials used in equipment that has been previously investigated and found to comply with an applicable UL Standard of Safety since the year 1973. 1.4 The equipment mentioned in 1.3 include but are limited to remote commercial refrigerators and freezers, unit coolers, condensing units, split-system central cooling air conditioners and heat ppumps, and self-contained equipment such as commercial refrigerants and freezers, ice makers, ice cream makers, room air conditioners, central cooling air conditioners, heat pumps, and liquid chillers.