
Thermal Solar Systems And Components - Custom Built Systems - Part 1: General Requirements
出版:Nederlands Normalisatie Instituut

專家解讀視頻
Specifies requirements on durability, reliability and safety of small and large custom built solar heating systems with liquid heat transfer medium for residential buildings and similar applications.
Supersedes NEN EN 12977-1. (08/2004)
ENV 12977-1:2001 - Identical