| 摘要 |
PROBLEM TO BE SOLVED: To provide an air conditioner putting a priority to the comfortableness of the foot by employing an energy-saving cooling, in which over-cooling is eliminated, a warm floor surface heating or the like. SOLUTION: A radiation temperature detecting means for detecting the radiation temperature of a floor surface, a feet preferential operation commanding means, a floor surface temperature computing means, a temperature difference judging means for judging the difference in value between the difference [Tf-Ts] and a plurality of predetermined temperature differences, and a correcting means for correcting the set number of rotation of an indoor fan, a set room temperature Ts and the set angle of a louver for outlet air flow direction of the indoor fan in accordance with the result of judging. An infrared ray sensor is used as the radiation temperature detecting means while the radiation temperature detecting means is provided with a lens for shutting off an incident external turbulence infrared ray and a guide for limiting the angle of incidence of the infrared ray incident on the sensor.
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