Refrigerating systems and heat pumps - Safety and environmental requirements, Part 1: Definitions, classification and selection criteria (ISO 5149-1:2014, MOD)
制冷系统和热泵.安全和环境要求 第1部分:定义 分类和选择标准(ISO 5149-1-2014 MOD)
This Standard specifies the requirements for the safety of persons and property, provides guidance for the protection of the environment, and establishes procedures for the operation, maintenance, and repair of refrigerating systems and the recovery of refrigerants.