A method of operating a hot water supply system and hot water supply system for performing the method.

摘要

In a method for operating a hot water supply system (10) (17) is a cold water inlet of the hot water supply system (10a) supplied fresh water, heats the fresh water supplied and fed the hot water produced by a hot water pipe in one or more consumers (21), wherein the hot water with a is predetermined hot water volume (V) generated and made available for consumption. A bacteria-related health hazard is avoided in a simple manner, that, to avoid harmful bacteria concentrations, particularly of Legionella, the hot water volume (V) to be sufficiently hot water is replaced from the hot water volume with fresh water.