A-TS
12
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Only qualified personnel can repair and maintain the inverter,
otherwise it will cause personal injury or device damage!
！
Set and check the parameters again after the inverter is replaced.
Only after power-off, the pluggable components can be plugged or
removed.
Generally, the rotating motor feeds back power to the inverter.
Ensure the inverter is disconnected from the motor before starting repair
or maintenance.
3.3 Precautions
Insulation of the motor
Before using the inverter, the insulation of motor must be checked,
especially, when it is used for the first time or it has been stored for a long
time. The poor insulation of the motor winding may cause damage to the
inverter. The motor must be disconnected from the inverter during the
insulation test. Please use 500V insulation tester to measure the
insulation resistance. It should not be less than 5MΩ.
Thermal protection of the motor
In model selection, if the rated capacity of motor and inverter does not
match, especially when the rated power of inverter is greater than the
motor, make sure to adjust the motor protection-related parameters in the
inverter or the pre-installed thermal relay in the motor for motor thermal
protection.
Working above power frequency
The inverter can provide 0Hz-60Hz output frequency, if the customer
needs to run at 50Hz or above, please consider the affordability of
mechanical devices.
Vibration of mechanical devices
When the inverter output frequency reaches a certain value, you may
encounter a mechanical resonance point of the load devices. It can be
avoided by setting parameters about the hopping frequency in the
inverter.
Regarding motor heat and noise
