DIN EN 14511-1-2013 空间加热和制冷用带电动压缩机的空调, 液体冷却包和热泵. 第1部分:术语, 定义和分类; 德文版本EN 14511-1-2013
Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - Part 1: Terms, definitions and classification; German version EN 14511-1:2013