| 摘要 |
<P>PROBLEM TO BE SOLVED: To display contents of abnormality by clearing factors in an abnormal operation. <P>SOLUTION: This control device has a first switch means 12 disposed at one side of an AC line for switching on/off the AC line, a current limiting element 23 and a pressure switch 41 switching on/off according to a condition of refrigerant pressure, respectively connected in parallel with the first switch means 12, and a second switch means 13 inputting a signal of the pressure switch 41 to a control portion 20 and connected to cut off the first switch means 12 by a circuit not through a control portion 20. As DC peak abnormality generated by the operation of the pressure switch 41 is not judged as abnormality but is judged as high voltage abnormality of a compressor, the factors of abnormality can be cleared, a repair time can be shortened, and the replacement of components can be reduced. <P>COPYRIGHT: (C)2007,JPO&INPIT |
