Refrigerator

A refrigerator comprising:

• a body having a freezer compartment formed therein;
• a refrigeration cycle system disposed in the body, including a compressor, a condenser, a hot line, an expansion device, and an evaporator through which a refrigerant sequentially passes;
• a blower fan to circulate the air in the freezer compartment through the evaporator and the freezer compartment;
• a condenser fan to send air to the condenser;
• and
• a humidity sensor to sense humidity,
• wherein when the freezer compartment temperature is not satisfactory and the humidity sensed by the humidity sensor is less than a predetermined level, first power is inputted to the compressor and the condenser fan is operated in a first rotational speed, and
• when the freezer compartment temperature is not satisfactory and the humidity sensed by the humidity sensor is at the predetermined level or more, second power higher than the first power is inputted to the compressor and the condenser fan is rotated at a second rotational speed lower than the first rotational speed.

A refrigerator comprising:

• a body having a freezer compartment formed therein;
• a refrigeration cycle system disposed in the body and including a compressor, a condenser, a refrigerant control valve, an expansion device, and an evaporator through which a refrigerant sequentially passes;
• and
• a blower fan to circulate the air in the freezer compartment through the evaporator and the freezer compartment,
• wherein when the freezer compartment temperature is not satisfactory, the compressor and the blower fan are started first and then the refrigerant control valve is opened, and
• when freezer compartment temperature becomes satisfactory after the refrigerant control valve is opened, the refrigerant control valve is closed first and then the compressor and the blower fan are stopped.

A method of operating a refrigerator, comprising:

• starting a compressor compressing a refrigerant and starting a condenser fan sending air to a condenser and a blower fan circulating air through an evaporator and the freezer compartment, when the freezer compartment temperature is not satisfactory;
• opening a refrigerant control vale disposed between the condenser and the evaporator, when a first predetermined time passes after the compressor, the condenser fan, and the blower fan are started;
• stopping the condenser fan and closing the refrigerant control valve, when the freezer compartment temperature becomes satisfactory;
• and
• stopping the compressor and the blower fan when a second predetermined time passes after the refrigerant control vale is closed.

A refrigerator comprising:

• a body having a freezer compartment formed therein;
• a refrigeration cycle system disposed in the body and including a compressor, a condenser, a refrigerant control valve, an expansion device, and an evaporator through which a refrigerant sequentially passes;
• and
• a blower fan to send air cooled by the evaporator to the freezer compartment,
• wherein when the freezer compartment temperature is not satisfactory, the compressor is started first and then the refrigerant control valve is opened and the blower fan is started, and
• when freezer compartment temperature becomes satisfactory after the refrigerant control valve is opened, the refrigerant control valve is closed first and then the compressor and the blower fan are stopped.

A method of operating a refrigerator, comprising:

• starting a compressor compressing a refrigerant and starting a condenser fan sending air to a condenser, when the freezer compartment temperature is not satisfactory;
• opening a refrigerant control vale disposed between the condenser and the evaporator, when a first predetermined time passes after the compressor, the condenser fan, and the blower fan are started;
• stopping the condenser fan and closing the refrigerant control valve, when the freezer compartment temperature becomes satisfactory;
• and
• stopping the compressor and the blower fan when a second predetermined time passes after the condenser fan is stopped.