Hitachi L300P-1100H, Инструкция по эксплуатации

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xi
SAFETY PRECAUTIONS
• Cooling fin will have high temperature. Be sure not to touch them.
Otherwise, there is a danger of getting burned.
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• Low to high speed operation of the inverter can be easily set. Be sure to
operate it after checking the tolerance of the motor and machine.
Otherwise, there is a danger of injury.
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• Install external break system if needed.
Otherwise, there is a danger of injury.
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• If a motor is operated at a frequency higher than standard setting
value(50Hz/60Hz),be sure to check the speeds of the motor and the
machine with each manufacturer, and after getting their consent, operate
them.
Otherwise, there is a danger of machine breakage.
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• Check the following before and during the test run.
Otherwise, there is a danger of machine breakage.
Was the direction of the motor correct?
Was the inverter tripped during acceleration or deceleration?
Were the rpm and frequency meter correct?
Were there any abnormal motor vibrations or noise?
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4.Maintenance, inspection and part replacement
• After a lapse of more than 10 minutes after turning off the input power
supply, perform the maintenance and inspection.
Otherwise, there is a danger of electric shock.
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• Make sure that only qualified persons will perform maintenance, inspection
and part replacement. (Before starting the work, remove metallic objects
from your person (wristwatch, bracelet, etc.)
(Be sure to use tools protected with insulation.)
Otherwise, there is a danger of electric shock and/or injury.
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5.Others
• Never modify the unit.
Otherwise, there is a danger of electric shock and/or injury.
CAUTION
WARNING
WARNING