本国际标准规定了人身和财产安全的要求， 为环境保护提供指导，并制定操作程序， 制冷系统的维护和维修以及制冷剂的回收。 ISO 5149的本部分规定了适用于制冷设备的分类和选择标准 系统和热泵。ISO 5149-2、ISO 5149-3、， 和ISO 5149-4。包含以下内容:BS ISO 5149-1:2014+A1:2015

This International 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. This part of ISO 5149 specifies the classification and selection criteria applicable to the refrigerating systems and heat pumps. These classification and selection criteria are used in ISO 5149-2, ISO 5149-3, and ISO 5149-4.Incorporates the following:BS ISO 5149-1:2014+A1:2015