| 摘要 |
<p>The present invention relates to a solar assisted heat pump system comprising a heat pump with an evaporator, a condenser, an expansion valve and a compressor, the heat pump having a first heat transfer circuit, and the heat pump system further comprising a secondary heat transfer circuit comprising a solar collector, and a third heat transfer circuit with an additional outdoor heat source, the second and third heat transfer circuits sharing a common pipe section connected to a water tank. The evaporator (5) of the heat pump (21) is arranged outside the tank (11) in heat exchanging connection with the common pipe section (15C) of the second and third heat transfer circuit, and the third heat transfer circuit is configurable for operation in a closed loop.</p> |
