AIR CONDITIONER COMPRISING PRE-COMPRESSOR

摘要

An air conditioner with a pre-compressor is provided to reduce layer delamination of oil and coolant to increase reliability of the compressor. An air conditioner with a pre-compressor includes an outdoor unit(110), and an indoor unit(140). The outdoor unit includes a compressor(111) and an outdoor heat exchanger(113). The indoor unit includes an expansion valve(141) and an indoor heat exchanger(143). The air conditioner further includes a pre-compressor(112) for preliminarily compress coolant sucked into the compressor. The outdoor unit includes a first valve for adjusting flow of the coolant sucked into the compressor, and a second valve adjusting flow of the coolant flowing into the outdoor heat exchanger.