AC power source is 220 V exclusively. Check the input voltage before use of the equipment. Use of other voltage will cause breakdown.Be sure to return a protection cover to its place on the electrical part of the equipment. Or there is a danger of an electric shock to the personnel.Be sure to have a grounding for the equipment. Otherwise, there would be a danger of a short circuit or even electric shook to the personnel.Do not leave dust or wastes from the installation work inside the equipment. It will cause short circuit ir breakdown.Use attached 10 k ohm 1W Resistor as the end of line resistor for detection line
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