规定了安全、高效回收或组合回收和再循环液态和气态制冷剂的最低设备要求，这些制冷剂已直接从商用或家用HVAC/R系统中移除，并打算重新使用。它还规定了确定设备性能的测试方法。

Specifies the minimum equipment requirements for safe and efficient recovery or combined recovery and recycling of refrigerants, in both liquid and vapour state, that have been directly removed from and intended for reuse in commercial or domestic HVAC/R systems. It also specifies test methods to determine equipment performance.