公开(公告)号：WO2021149896A1

公开(公告)日：2021-07-29

申请号：PCT/KR2020/015127

申请日：2020-11-02

Applicant: LG ELECTRONICS INC.

Inventor： LEE, Jisung ,  JO, Ahrae ,  SA, Yongcheol ,  SONG, Chiwoo ,  SHIN, Ilyoong

IPC: F25B49/02 ,  F24F11/70 ,  F24F11/64 ,  F25B25/00 ,  F25B9/00 ,  F24F1/0059 ,  F24F1/32 ,  F24F11/36 ,  F24F11/49 ,  F24F11/67 ,  F24F11/84 ,  F24F2140/12 ,  F24F2140/20 ,  F24F5/0003 ,  F24F5/001 ,  F25B13/00 ,  F25B2300/00 ,  F25B2313/003 ,  F25B2313/007 ,  F25B2313/0233 ,  F25B2313/02331 ,  F25B2313/02334 ,  F25B2313/029 ,  F25B2313/031 ,  F25B2313/0312 ,  F25B2313/0314 ,  F25B2400/04 ,  F25B2500/26 ,  F25B2600/19 ,  F25B2600/21 ,  F25B2600/2515 ,  F25B2700/1933 ,  F25B40/00 ,  F25B41/20 ,  F25B41/40 ,  F25B49/005

Abstract: Provided is an air conditioning apparatus. The air conditioning apparatus includes an outdoor unit which includes a compressor and an outdoor heat exchanger and through which a refrigerant is circulated, an indoor unit through which water is circulated, a heat exchanger in which the refrigerant and the water are heat-exchanged with each other, a water tube configured to guide the water circulated through the indoor unit and the heat exchanger, a pump installed in the water tube, and a controller configured to analyze an output signal of the pump so as to calculate a ration of an air layer in the water tube, the controller being configured to control a target supercooling degree or target superheating degree of the heat exchanger according to the calculated ratio of the air layer.