EN IEC 63159-2-2:2021 家用即热式电热水器 性能测量方法 第 2-2 部分:单点使用即热式电热水器的效率
Household electric instantaneous water heaters - Methods for measuring the performance - Part 2-2: Efficiency of single point of use electric instantaneous water heaters
This clause of IEC 63159-1:2021 is applicable except as follows. Addition: This document applies to open outlet, single point-of-use, electric instantaneous water heaters intended ...