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Installation and Operation Manual for Inverter RPI M50A_12s V1 EU EN 2017-03-09
6 Installation
6.4 Grounding the inverter housing
DANGER
Electrical shock
► Always observe the local regulations relating
to grounding cable requirements.
► To increase the safety of the system, always
ground the inverter housing even when this is
not required by the local regulations.
► Always ground the inverter housing before
connecting the inverter to the grid and solar
modules.
1. Screw the grounding cable onto the inverter. M4 screw,
spring washer, washer, and lock washer are already
mounted on the inverter.
2. Perform a continuity check of the grounding connection. If
there is insufficient conductive connection, scratch away
the paint from the inverter housing under the toothed lock
washer to achieve a better electrical contact.
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