Heat supply system

摘要

The heat supply system has a central buffer storage (P) provided as heat accumulator for solar and fossil producing energy and as a heat source for drinking water preparation. A connecting line is provided with an overflow valve (U') between a guiding line and flow line (H-VL) that is provided for heating cycle. The guiding line is guided in or from an upper elevating range of the buffer storage. The guiding line is flowed through for drinking water preparation (F) during the operation of the fresh water.