ISO 18566-2:2017仅干式冷却结构和发射器（未嵌入）之间有气隙的表面，有或没有保温层，在低于120°C的温度下供水，并与拟安装在建筑物中的集中加热和/或冷却供应源相连。 本文件涵盖的天花板安装式辐射板的宽度限制在0.3 m到1.5 m之间。 ISO 18566-2:2017还定义了制造商向行业提供的额外通用数据，以确保产品的正确应用。

ISO 18566-2:2017 dry cooling only surfaces with an air gap between construction and the emitter (not embedded) with or without an insulation fed with water at temperatures below 120 °C connected with a centralized heating and/or cooling supply source intended to be installed in buildings. Ceiling mounted radiant panels covered by this document are limited to a width from 0,3 m up to 1,5 m. ISO 18566-2:2017 also defines the additional common data that the manufacturer provides to the trade, in order to ensure the correct application of the products.