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5. Measure that the installation is de-energized.
•
Use a multimeter with an impedance greater than 1 Mohm.
•
Make sure that the voltage between the drive input power
terminals (L1, L2, L3) and the grounding (PE) busbar is
close to 0 V.
•
Make sure that the voltage between the drive output
terminals (T1/U, T2/V, T3/W) and the grounding (PE)
busbar is close to 0 V.
6. Install temporary grounding as required by the local
regulations.
7. Ask the person in control of the electrical installation work for a
permit to work.
Safety instructions 9
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