ABB PVS300 Product Manual page 67

String type solar inverters
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Note: Grounding the cable shield:
• Do not connect the cable shield to the isolated functional ground of terminals X2,
X3 or X4.
• Connect the cable shield with the provided clamp connectors to the grounded nut
insert [item 9].
• Ground only one end of the cable shield to avoid forming ground loops. Ground
loops can cause interference to the inverter's operation.
Electrical installation 67
9

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