Frequency Inverter ST600 Series High-Performance Multifunction VFD Installation Guide
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4.3.3 Wiring process of the main circuit terminals
1. Connect the grounding line of the input power cable to the grounding terminal (PE) of the VFD, and
connect the 3PH input cable to R, S and T terminals and tighten up.
2. Connect the grounding line of the motor cable to the grounding terminal of the VFD, and connect
3PH motor cable to U, V and W terminals and tighten up.
3. Connect the brake resistor which carries cables to the designated position.
4. Fix all the cables outside the VFD mechanically if allowed.
Figure 4-27 Screw installation diagram