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N700E INSTRUCTION MANUAL
XII
!
CAUTION
Failure to comply with the following could result in electrical shock, fire, or other harm to
personnel or machinery.
The heat sink fins will have a high temperature. Be sure not to touch them.
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.
Install an external breaking system if needed.
If the motor needs to operate at a frequency higher than standard Max Frequency setting
(50Hz/60Hz), be sure to check with the manufacturers of both the motor and the machine for
their approval.
Check the following before and during the test run.
Was the direction of the motor correct?
Did the inverter trip for on acceleration or deceleration?
Were the RPM and frequency motor correct?
Were there any abnormal motor vibrations or noises?
The AC reactor must be installed when the power is not stable in order to avoid damage to
the VFD.
4. Maintenance, Inspection and Part Replacement
!
CAUTION
Failure to comply with the following could result in electrical shock, fire, or other harm to
personnel or machinery.
After turning off the input power supply, do not perform the maintenance and inspection for at
least 5 minutes.
Make sure that only qualified persons will perform maintenance, inspection and/or part
replacement.
(Before starting the work, remove metallic objects(wristwatch, bracelet, etc.)
(Be sure to use insulated tools.)
General Safety Information