Patent ID: 8256689
Filing Date: 2012-09-04
Classification: F24F

Abstract:
1. An air conditioner having a regular mode and a sleep mode, the air conditioner comprising: a humidity adjustment unit being configured to humidify or dehumidify air and to supply the air into a room; a command receive unit being configured to receive operation initiation commands for the regular mode or the sleep mode; a humidity control unit controlling the humidity adjustment unit so that the indoor humidity reaches a first target humidity when the command receive unit has received a command to initiate the regular mode operation, and controlling the humidity adjustment unit so that the indoor humidity reaches a second target humidity being higher than the first target humidity when a predetermined time period has passed after the command receive unit has received a command to initiate the sleep mode operation; a temperature adjustment unit that cools or heats air to adjust the indoor temperature, and a temperature control unit that controls the temperature adjustment unit so that the indoor temperature reaches a second target temperature, which is below a first target temperature set during the regular mode, when the command receive unit has received a command to initiate the sleep mode operation, and that controls the temperature adjustment unit so that the indoor temperature reaches the first target temperature when at least the predetermined time period has passed after the command receive unit received the command to initiate the sleep mode operation, wherein the temperature control unit controls the temperature adjustment unit so that the indoor temperature continues to decrease by a first predetermined temperature for each of a plurality of first time intervals and reaches the second target temperature at a first predetermined time after the command receive unit received the command to initiate the sleep mode operation, and subsequently controls the temperature adjustment unit so that the indoor temperature continues to rise by a second predetermined temperature for each of a plurality of second time intervals and reaches the first target temperature at a second predetermined time.