Chapter 1 Safety Instructions/Risks
1-2-4
● Risk of injury and fire!
Do not connect AC power supply to any of the output terminals ([U/T1], [V/T2],
and [W/T3]).
Make sure that the voltage and frequency of AC power supply match the rated
voltage (AC input voltage) and frequency of your inverter.
● Risk of electric shock and injury!
Before operating the slide switch in the inverter, be sure to turn off the power
supply.
Since the inverter supports two modes of cooling-fan operation, the inverter
power is not always off, even when the cooling fan is stopped. Before operating
the switch, be sure to turn off the power supply and wait for more than 10
minutes. (Confirm that the Charge lamp on the inverter is off and the DC
voltage between terminals [P/+] and [N/-] is 45 V or less.)
Prevent the distribution cable from being compressed or getting caught to
avoid damage to the cable.
Do not input a single-phase power supply to the three-phase model.
Do not connect a resistor directly to any of the DC terminals ([PD/+1], [P/+],
and [N/-]).
Do not use the magnetic contactor installed on the primary and secondary
sides of the inverter to stop its operation.
Tighten the screws and bolts with the specified torque.
No screws and bolts must be left loose.
Connect an earth-leakage breaker to the power input circuit.
Use only the power cables, earth-leakage breaker, and magnetic contactors
that have the specified capacity (ratings).
● Risk of damage to the inverter and burnout of the motor!
Do not operate the inverter when an output phase is lost (output phase loss).
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