Sungrow SG3425UD-MV, Системное руководство

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• Incorrect connection sequence may cause fire. Pay maximum attention to the
connection sequence.
• Ensure the firmness of the cable connection. Poor connection or oxidation of
the surface may cause over-heating or fire.
• Long bolts may affect the insulation and may cause short circuit.
• Remove the heat-shrink tubing between the cable lug and the copper bar if
necessary. Poor contact or over-heating may follow if otherwise.
step 6 Confirm that all cable connections are secure.
- - End
6.7 Communication Connection
The communication terminals are located in lower part of the intelligent PMD, as shown in
the figure below.
No. Description
A XB21 terminal blocks, RS485 communication port
B Ethernet port
On site, perform cable connection according to internal terminal markings.
6.8 External Equipment Connection
The power distribution cabinet is divided into two versions: 5KVA and 35KVA. The actual MV
Station received may be equipped with one of these versions, and the specific agreement
shall prevail.
If 5KVA is chosen, please refer to " 6.8.1 5KVA Power Distribution Cabinet " to perform the
connection.
If 35KVA is chosen, please refer to " 6.8.2 35KVA Power Distribution Cabinet " to perform the
connection.
6 Electrical Installation System Manual