Air conditioning system and control method thereof
- 申请公布号：
- US2006032254(A1)
- 申请号：
- US20050165240
- 申请日期：
- 2005.06.24
- 申请公布日期：
- 2006.02.16
- 申请人：
- SAMSUNG ELECTRONICS CO, LTD.
- 发明人：
- KIM SEUNG-CHUL;SEO HYEONG-JOON;LEE JUN-PYO;JEONG JAE-HYO;CHOI JUNG-CHUL
- 分类号：
- F25B41/00;F25B49/00
- 主分类号：
- F25B41/00
- 摘要：
- An air conditioning system includes an indoor heat exchanging unit, an outdoor heat exchanging unit, a compressor forming a closed loop together with the indoor and outdoor heat exchanging units to compress refrigerant, and a compressor driver to drive the compressor. The air conditioning system also includes an outdoor temperature sensor to sense outdoor temperature, a high pressure sensor to sense a pressure of the refrigerant discharged from the compressor, a low pressure sensor to sense the pressure of the refrigerant introduced into the compressor, a bypass pipe to connect a refrigerant pipe disposed between the indoor heat and outdoor heat exchanging units with a refrigerant pipe disposed in an influx part of the compressor, a bypass valve to open and close the bypass pipe, and a controller to open the bypass valve when the pressure sensed by the low pressure sensor is a predetermined target low pressure or is below the predetermined target low pressure, and to close the bypass valve when the pressure sensed by the high pressure sensor is over a predetermined target high pressure, under a condition in which the outdoor temperature sensed by the outdoor temperature sensor is a predetermined reference temperature or is below the predetermined reference temperature during a heating operation. Thus, the air conditioning system and a control method thereof, is improved in heating effect while performing a heating operation under a condition in which the outdoor temperature is low.
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