Samsung Electronics Co., Ltd.

Kwangsik Han

Yonghee Jang

Jaeyang Lee

Byoungguk Lim

Dongil Jung

Jejin Lee

Sangho Yoo

Hyeongseok Lim

Gwangchel Jeong

An air conditioner, and a control method, including a compressor to compress a refrigerant; an outdoor heat exchanger; a first four-way valve between a discharge port of the compressor and an upper inlet of the outdoor heat exchanger; a second four-way valve between the discharge port of the compressor and a lower inlet of the outdoor heat exchanger; and a controller electrically connected to the compressor and the first four-way valve and the second four-way valve to control the first and second four-way valves to perform a first defrosting operation which defrosts an upper and a lower portion of the outdoor heat exchanger during a heating operation, and control the first and second four-way valves to perform a second defrosting operation which operates the upper portion as an evaporator, and operates the lower portion as a condenser, based on a detected need for additional defrosting of the lower portion.

Air conditioner with defrosting operation and method for controlling the same

Growing community of inventors

Suwon-si, South Korea

Kwangsik Han