Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-18: Particular requirements for electric water heaters
家用和类似用途电器.空气传播噪声测定的试验规范.第2-18部分:电热水器的特殊要求
IEC 60704-2-18:2022 applies to single-unit electric water heaters for household and similar use intended for placing on the floor against a wall, for building-in or placing under a counter, a kitchen worktop or under a sink, for wall-mounting or on a counter.
This document does not apply to:
– combustion water heaters;
– water kettles;
– heat pump water heaters;
– conventional electric storage water heaters as defined in IEC 60335-2-21:2012, Clause 1;
– instantaneous electric water heaters without any noise-producing components such as motors and pumps.
This document is intended to be used in conjunction with IEC 60704?1:2021.