| 摘要 |
A heat source (2) inside a casing (1) is combined with heat exchanger elements (3) for converting the generated heat and/or heat supplied externally. The heat source and heat exchanger elements are connected in series to a thermally insulated water storage tank (7) provided with a heater (6) and cold and hot water connections (4, 5). Three hydraulic circuits (I, II) which can operated together, in pairs or individually are formed by connecting the heat exchanger elements and the cold or hot water side of the water storage tank, which includes a safety overflow, in series with hydraulic lines (8, 8). A pump-operated supply line (9) for the heat source is linked to a connection (15) for a three-way valve (10) used to select how many hydraulic circuits are to be operated at once. The two other valve connections (11, 12) are linked to the water storage tank or its heater and the heat exchanger elements.
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