本标准适用于设计用于使用以下制冷剂的所有类型制冷和空调系统液体管路的密封液体管路过滤器:R-22、R-134a、R-290、R-404A、R-407A、R-407C、R-410A、R-507A、R-600a和R-744，定义见ANSI/ASHRAE 34及其附录。本标准提供了在规定条件下确定液体管路过滤器的整体过滤效率和污染物容量的方法。对于I-P装置，见AHRI 715-2014

This standard applies to hermetic Liquid Line Filters designed for use in the liquid line of all types of refrigeration and air-conditioning systems employing the following refrigerants: R-22, R-134a, R-290, R-404A, R-407A, R-407C, R-410A, R-507A, R-600a, and R-744 as defined in ANSI/ASHRAE 34 with Addenda. This standard provides a means of determining the Overall Filter Efficiency and Contaminant Capacity of a Liquid Line Filter at specified conditions.For I-P Units, seeAHRI 715-2014