| 摘要 |
<p>A compressor 1, a water-refrigerant heat exchanger 51, pressure reducing devices 8a, 8b, and 8c which reduce the pressure of a refrigerant, an air-side heat exchanger 31, an outdoor fan 39 which delivers air to the air-side heat exchanger 31, a geothermal-side heat exchanger 41, a switching device which switches a flow passage so that the air-side heat exchanger 31 or the geothermal-side heat exchanger 41 functions as an evaporator, and controller 32 for controlling the switching device so that, when the geothermal-side heat exchanger 41 functions as an evaporator, the air-side heat exchanger 31 and the water-refrigerant heat exchanger 51 are connected in parallel, and for stopping the outdoor fan 39, are provided.</p> |
