ISO 5149的本部分适用于制冷系统的设计、施工和安装，包括ISO 5149-1、ISO 5149-3或ISO 5149-4中未涵盖的与此类系统直接相关的管道、组件、材料和辅助设备。它还规定了测试、调试、标记和文件的要求。除与制冷系统相关的任何安全装置外，不包括二次传热回路的要求。包含以下内容:BS ISO 5149-2:2014

This part of ISO 5149 is applicable to the design, construction, and installation of refrigerating systems, including piping, components, materials, and ancillary equipment directly associated with such systems, which are not covered in ISO 5149-1, ISO 5149-3, or ISO 5149-4. It also specifies requirements for testing, commissioning, marking, and documentation. Requirements for secondary heat-transfer circuits are excluded except for any safety devices associated with the refrigerating system.Incorporates the following:BS ISO 5149-2:2014