Electrical water heaters; methods to be used for measuring energy consumption of thermal storage heaters and for the purpose of informing consumers of it— 2 стр.
Methods for measuring the performance of electric storage water-heaters for household purposes (IEC 60379:1987, modified); German version EN 60379:2004— 17 стр.
Methods for measuring the performance of electric storage water-heaters for household purposes (IEC 60379:1987, modified); German version EN 60379:2004— 17 стр.