EN 13771的这一部分仅适用于制冷冷凝机组，并描述了若干选定的性能测试方法。这些方法为确定制冷能力，功率吸收，制冷剂质量流量和性能系数提供了足够准确的结果。 本欧洲标准仅适用于在制造商的工作进行的性能测试，或者测试的仪器和负载稳定性可用于所需准确度的任何地方。 测量仪器的类型和可进行测量的容许不确定性列于表2

This part of EN 13771 applies only to condensing units for refrigeration and describes a number of selected performance test methods. These methods provide sufficiently accurate results for the determination of the refrigerating capacity, power absorbed, refrigerant mass flow and the coefficient of performance. This European Standard applies only to performance tests conducted at the manufacturer's works or wherever the instrumentation and load stability for testing to the accuracy required is available. The type of measuring instrument and the allowable uncertainties within which measurements shall be made are listed in Table 2.