Mitsubishi Electric Freqrol Z024-UL Instruction Manual page 39

Vvvf transistor inverter
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Notes:
1.
2.
3.
4.
The inverter will not start if both forward and reverse rotation switches are turned on. If both
switches are turned on during operation, the inverter will decelerate and stop the motor.
If the start switch is turned off with the variable resistor turned clockwise to the maximum
position, the inverter will decelerate and stop the motor.
A high pitch sound is generated just before the motor stops, this is normal. The sound is
generated because the DC dynamic brake is in operation.
If
the parameter unit
is
removed from the inverter during operation, normal operation wiii
continue, however, the motor cannot stop, therefore, do not remove the parameter unit
during operation.
, -
F
-33-

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