Chapter 4 Wiring of Inverter
Shanghai Sigriner STEP Electric Co., Ltd.
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Chapter 4 Wiring of the inverter
This section describes in detail the connection between the inverter and peripheral devices, overview
of inverter terminal wiring, wiring of main circuit terminals and control circuit terminals.
◎ Before wiring, please make sure that the input power is completely disconnected.
Otherwise, there is a risk of electric shock.
◎ Please ask electrical engineering personnel to perform wiring.
Otherwise, there is a risk of electric shock.
◎ Make sure the grounding terminal PE is reliably grounded.
Otherwise, there is a risk of electric shock.
◎ Do not touch the terminals directly with your hands. Do not touch the output wires of the inverter with
the shell.
Otherwise, there is a risk of electric shock.
◎
Do not connect the power supply to the output terminals U/T1, V/T2, or W/T3.
Otherwise there is a risk of damaging the inverter.
◎
Do not short circuit terminal B1/DC+ to terminal DC -.
Otherwise there is a risk of explosion.
◎
Make sure that the voltage of the AC main circuit power supply is the same as the rated voltage of the
inverter.
Otherwise, there is a risk of fire and injury.
◎
Please connect the braking resistor correctly according to the wiring diagram.
Otherwise, there is a risk of fire.
◎
The main circuit terminal and the wire or wire crimp terminal must be firmly connected.
Otherwise there is a risk of damaging the inverter.
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