| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an air conditioner which can improve heating capacity while preventing the frost formation and freezing of an outdoor heat exchanger.SOLUTION: This invention provides an air conditioner 1 capable of cooling/heating operation having a compressor 2, a four-way valve 3, an indoor heat exchanger 4, an expansion valve 5, and an outdoor heat exchanger 6 connected through refrigerant piping 8. Decompression means is also provided to decompress a coolant sucked into an air inlet 2b of the compressor 2 during heating operation and at a predetermined low outside temperature.</p> |
