Mitsubishi Electric FR-D720S SC EC Instruction Manual page 64

Control circuit specifications
NOTES Turn off the inverter power before switching a jumper connector.
The sink-source logic change-over jumper connector must be fitted in only one of those
positions. If it is fitted in both positions at the same time, the inverter may be damaged.
The capacity plate is placed on the front cover and the rating plate is on the inverter. Since
these plates have the same serial numbers, always reinstall the removed cover onto the
original inverter.
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Wiring