| 摘要 |
PROBLEM TO BE SOLVED: To save energy and costs by controlling a current to flow in a heating device without using an outside temperature detecting device and to actualize a equalized room temperature by suppressing a sharp temperature change depending on whether the current flows or not in the heating device. SOLUTION: A control board microcomputer 15 recognizes a stop time for a compressor 10 which repeats operation/stop to control the room temperature. A current flows in the temperature compensation heating device 12 at a time when it exceeds a set time, whereby the current is optimally controlled to flow in the temperature compensation heating device 12 without using the outside temperature detecting device. This saves energy and costs and suppresses the sharp temperature change depending on whether the current flows or not in the heating device, to keep the room temperature constant. COPYRIGHT: (C)2005,JPO&NCIPI
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