本欧洲标准适用于住宅，商业和工业建筑物中的水基表面加热和冷却系统。 该方法适用于集成到墙壁，地板或天花板结构中的系统，无任何明显的空气间隙。 这些方法不适用于加热或冷却的天花板或梁。 该标准提供了用于确定加热和制冷能力的稳态计算方法（第2部分）。 本标准也适用于其他流体而不是水的使用。 本标准不适用于系统的测试

This European Standard is applicable to water based surface heating and cooling systems in residential, commercial and industrial buildings. The methods apply to systems integrated into the wall, floor or ceiling construction without any open air gaps. The methods do not apply to heated or chilled ceiling panels or beams. This standard provides steady-state calculation methods for determination of the heating and cooling capacity (part 2). This standard applies also, as appropriate, to the use of other fluids instead of water. This standard is not applicable for testing of systems.