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Installation and Operation Manual for RPI M6A M8A M10A inverters V1.0 2016-02-03
6 Installation
6.7 Grounding the inverter housing
Typically yellow/green copper cable with minimum wire size
6 mm
2
has to be used.
Always consider local regulation regarding the cable require-
ments.
In the absence of such regulations, it is nonetheless recom-
mended to ground the inverter housing for safety reasons before
setting up the electrical connections. External grounding is rec-
ommended in addition to PE connection within the AC connec-
tion.
1. On the left side, ground the inverter housing. The ground-
ing screw is delivered with the inverter and mounted to the
inverter.
Toothed lock ring
Grounding cable
Washer
Spring washer
M6 screw
Perform a continuity check for the grounding con-
nection. If the test fails, scratch the paint off the
inverter housing below the tooth lock washer to get
a better electrical connection.
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