| 摘要 |
A heat exchanger (11) for transferring the heat of condensation or waste heat to a refrigerating plant, heat pump or the like is described, which is provided with a first conduit arrangement (12) for a first medium and with a second conduit arrangement (13), nested therewith, for a second medium, the two conduit arrangements (12, 13) having at least partially identical walls for both media. In order to be able by means of such a heat exchanger (11)to transfer optionally or simultaneously to two types of media, such as, for example, to heating water and/or service water, the heat energy delivered, for example, from a heat pump circuit, at reduced cost and with a better energy utilisation, a third conduit arrangement (14) for a third medium is provided, which is nested with the two conduit arrangements (12, 13) in such a way that one of the three conduit arrangements (12, 13, 14) has at least partially common walls (22, 29) both with the remaining one and with the remaining other conduit arrangement. <IMAGE>
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