Domestic hot water supply system, includes secondary control device for automatically turning off heating device during periods when there is little or no demand for hot water

摘要

A secondary control device (30) records the use of the heating device (13) over a time period and regulates the heating device over a predetermined time in a subsequent time period on the basis of this recorded use of the heating device. The system comprises a heating device, a storage vessel (10) for receiving water in order to provide heat exchange contact between the water and heating device, and a control unit (40) for the heating device. The control unit comprises a primary control device (20) for recording a temporary hot water request and regulate the heating device accordingly.