HNC Electric HV480 Series, Руководство пользователя

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6
2.2 Electrical Installation
Danger

Before wiring, please make sure that the input power supply is cut OFF to avoid electric
shock and fire.

To ensure safety, grounding terminals must be reliably grounded according to the
specification requirements.

Do not connect the input power supply to the U, V, and W terminals of the output by
mistake.
Caution

Please confirm whether the AC power supply is consistent with the rated input voltage of
the frequency inverter

Do not connect the electromagnetic switch and contactor to the frequency inverter input
circuit.

Before peripheral equipment is connected to the frequency inverter, it must be confirmed
that its insulation to ground is in good condition.

Do not conduct insulation withstand voltage test on the frequency inverter so as not to
damage the devices inside the machine.
2.2.1 Frequency inverter main circuit terminal description
1) Main loop terminals below 22kw:
2) 30kw / 37kw frequency inverter main circuit terminal: