本欧洲标准草案确定了根据标准化程序确定在用于空间加热和/或冷却时由空调，热泵，具有电动压缩机的液体冷冻包装发出的周围空气的声功率水平的要求，包括如在EN 810中所述的prEN 14511系列和除湿机中所描述的水冷多层分离系统。 本欧洲标准草案还涵盖了EN 15218中定义的蒸发冷凝器空调的声功率水平的测量。但是，无需外部给水即可进行测量，因此这些单元将被视为覆盖的其他空调由prEN 14511系列。 要强调的是，这个测量标准只是指空中噪声。 欧洲标准草案提供了确定单位声功率水平的方法。其中一些特别适用于通过使用实验室级声学方法和高度受控的工作条件来提供具有低不确定性的结果。这些测量适用于认证，标签和标记目的。 在某些情况下，测量的目标和/或环境不允许使用这种精度等级的方法。这个图

This European Standard establishes requirements for determining, in accordance with a standardized procedure, the sound power level emitted into the surrounding air by air conditioners, heat pumps, liquid chilling packages with electrically driven compressors when used for space heating and/or cooling, and/or for process, as described in the EN 14511 series and dehumidifiers as described in EN 810. This European Standard also covers the measurement of the sound power level of evaporatively cooled condenser air conditioners, as defined in EN 15218. However, the measurement will be done without external water feeding and these units will thus be considered as the other air conditioners covered by the EN 14511 series. It is emphasized that this measurement standard only refers to airborne noise.