| 摘要 |
A solar water heater with integrated storage tank can be filled isothermally with water of which the temperature is freely selected and which, when the tank is full, passes into a thermosiphoning mode. A collector and the storage tank are housed compactly in one flat unit and, because of unpressurized operation, allows easy and economical assembly. Two principles of solar hot-water heating are combined in the invention: primarily cold water is raised to the desired final temperature in ONE PASS through the absorber, thereby achieving good collector efficiencies and rapid response; and, when the storage is full, thermosiphoning circulation sets-in automatically and further heats the storage content and/or compensates for heat losses.
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