Refrigerator, refrigerator management system, and control method for refrigerator

A control method for a refrigerator, the refrigerator including:

• a main body having a storage chamber;
• a refrigeration cycle device including a compressor and a cooler, an air blower configured to blow cooling air cooled by the cooler to the storage chamber;
• a blowout volume control device configured to control a blowout volume of the cooling air to be blown out to the storage chamber;
• and receiver configured to receive input of schedule information on a user, the control method comprising:
• inputting the schedule information on the user into the receiver;
• storing the schedule information received by the receiver;
• and
• controlling at least one of the compressor, the air blower, and the blowout volume control device based on the schedule information,
• the schedule information including one or both of information about a regular outing time period and information about an irregular outing time period, the regular outing time period being scheduled as a time period of regular outing of the user, the irregular outing time period being scheduled as a time period of irregular outing of the user.