US 12,281,828 B2
Air conditioner and control method thereof
Sungjin In, Suwon-si (KR); Youngjin Kim, Suwon-si (KR); Beomseok Seo, Suwon-si (KR); Daechul Han, Suwon-si (KR); Hyoju Moon, Suwon-si (KR); Leegyu Son, Suwon-si (KR); and Manki Ha, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Aug. 17, 2022, as Appl. No. 17/889,571.
Application 17/889,571 is a continuation of application No. PCT/KR2022/011346, filed on Aug. 2, 2022.
Claims priority of application No. 10-2021-0141204 (KR), filed on Oct. 21, 2021.
Prior Publication US 2023/0126973 A1, Apr. 27, 2023
Int. Cl. F25B 49/02 (2006.01); F25B 41/31 (2021.01); F25B 47/02 (2006.01)
CPC F25B 49/022 (2013.01) [F25B 41/31 (2021.01); F25B 47/022 (2013.01); F25B 2500/06 (2013.01); F25B 2700/13 (2013.01); F25B 2700/2103 (2013.01); F25B 2700/2106 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An air conditioner comprising:
an indoor unit comprising an indoor heat exchanger and an indoor fan;
an outdoor unit connected to the indoor unit and comprising an outdoor heat exchanger, an outdoor fan, a compressor, an expansion valve, an outdoor temperature sensor, and a four-way valve; and
at least one processor configured to perform a test operation to determine whether the indoor unit and the outdoor unit are operating normally by controlling the indoor unit and the outdoor unit to sequentially perform a heating operation and a defrosting operation,
wherein, during the test operation, both the heating operation and the defrosting operation are performed based on an outdoor temperature detected by the outdoor temperature sensor being less than a predetermined reference temperature.