Safety and Precautions MD280/MD280N User Manual
when they are burnt.Emission of toxic gas may be generated when the
plastic parts are burnt. Please dispose the inverter as industrial wastes.
1.2.14 Adaptable Motor
1) The standard adaptable motor is four-pole squirrel-cage asynchronous
induction motor. If such motor is not available, be sure to select adaptable
motors in according to the rated current of the motor. In applications where
drive permanent magnetic synchronous motor is required, please consult
our company.
2) The cooling fan and the rotor shaft of the non-frequency-conversion
motor adopt coaxial connection. When the rotating speed is reduced, the
heat sinking effect will be poorer. Therefore, a powerful exhaust fan shall
be installed, or the motor shall be replaced with frequency conversion
motor to avoid the overheating of the motor.
3) Since the inverter has built-in standard parameters of the adaptable
motors, it is necessary to perform motor parameter identification or modify
the default values so as to comply with the actual values as much as
possible, or it may affect the running effect and protection performance;
4) The short circuit of the cable or motor may cause alarm or explosion of
the inverter. Therefore, please conduct insulation and short circuit test on
the newly installed motor and cable. Such test shall also be conducted
during routine maintenance. Please note that the inverter and the test
part shall be completely disconnected during the test.
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