| 摘要 |
<p>Title HOT WATER HEATING AND DEFROST IN A HEAT PUMP CIRCUIT An air-to-air heat pump system includes a refrigerant-liquid heat exchanger for heating a liquid. The system is capable of (1) space cooling, or (2) space heating, or (3) liquid heating without affecting the condition of an indoor space, or (4) simultaneous space cooling and liquid heating, or (5) simultaneous space heating and liquid heating, or (6) defrosting the outdoor heat exchanger without affecting the condition of an indoor space by utilizing heat supplied from a stored previously-heated liquid.</p> |
