| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an air conditioner that causes a feel of cold blast during a defrosting operation of an outdoor heat exchanger. <P>SOLUTION: The air conditioner has both a first bypass circuit 38 which connects an exterior unit 2 including a compressor 6, a four-way valve 8, a decompression machine 12, and an outdoor heat exchanger 14 with an interior unit 4 including an indoor heat exchanger 16 through a coolant circuit, connects between the indoor heat exchanger 16 and the decompression machine 12 and between the four-way valve 8 and the compressor 6, and includes a first two-way valve 42 and a thermal storage device 32 accumulating the heat of a coolant heating means 15 and the compressor 6 and a second bypass circuit 28 which connects between the compressor 6 and the four-way valve 8 and between the decompression machine 12 and the outdoor heat exchanger 14 and includes a second two-way valve 30. In addition, the air conditioner is configured to perform an operation of either or both of a thermal storage defrosting system which uses the heat stored in the thermal storage device 32 by opening the first two-way valve 42 and passes the coolant through the outdoor heat exchanger 14 by opening the second two-way valve 30 and a coolant heating defrosting system which returns the coolant heated by the coolant heating means 15 to the inhalation side of compressor 6 to pass through the outdoor heat exchanger 14 by opening the second two-way valve 30. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
