Abstract: A method and a device for controlling an air conditioner, an air conditioner and a computer-readable storage medium are provided. After the air conditioner is started and runs for a period of time, the gas phase side valve is controlled to open to switch the air conditioner to the phase separation refrigeration mode. In the phase separation refrigeration mode, the gaseous low-temperature refrigerant can be separated through the gas-liquid separation device, and be controlled to reach the heat exchanger. The refrigerant at the outlet of the condenser is heat exchanged again through the gaseous low-temperature refrigerant and the heat exchanger to increase the cooling capacity of the air conditioner.

Abstract: Disclosed are a method for sterilizing an air conditioner, an air conditioner and a storage medium. The method includes receiving a sterilization instruction, and detecting a temperature of an indoor heat exchanger in a heating mode. When it is determined that the detected temperature of the indoor heat exchanger is lower than a preset sterilization temperature, according to the method, an enhanced vapor injection circulation is started to increase the temperature of the indoor heat exchanger to be higher than the preset sterilization temperature.

Abstract: A control method for an air conditioner is provided. The air conditioner has a retractable top air output mechanism provided at a top thereof. The control method includes: controlling, in response to a specified wind shower instruction in a cooling mode, the top air output mechanism to stretch towards an outside of the air conditioner to open an air outlet of the top air output mechanism; adjusting, based on the specified wind shower instruction, an air-out included angle of the top air output mechanism to be within a first angle range; and adjusting, based on the specified wind shower instruction, a supply air speed of the top air output mechanism to be within a first air speed range.