Sungrow SG3425UD-MV, Системное руководство

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2.2.7 Volt-free Operations
Perform operations on the MV Station only when all devices inside the MV Station,
especially the MV Ststion is completely voltage-free.
• Avoid any accidental re-connections.
• Verify that no voltage or current is present with appropriate measurement instrument
• Ground and short-circuit whenever necessary.
• Cover possible live parts to avoid accidental contact.
• Ensure sufficient escape room.
• Wait at least 5 minutes to have the capacitors discharge completely before performing
operations on internal components.
2.2.8 ESD Protection
Devices may be damaged irreversibly by electrostatic discharge (ESD).
• Avoid unnecessary touching of the PCB.
• Observe all the ESD-related safety instructions. Wear proper PPE, such as
safety glasses, safety footwear, and safety gloves.
2.2.9 LCD Parameter Setting
Some settable parameters on the LCD are closely related to the operations of the MV
Station and internal devices. Therefore these parameters can only be set after reliable
evaluation of the system.
• Improper parameter setting may affect the functionality of the device.
• Only qualified personnel can set the parameters.
2.2.10 Sand and Moisture Protection
Do not open the MV Station door in sand storm, thunderstorm, strong wind or hail days or
when the ambient humidity is above 95%.
2.2.11 Symbols on the Device Body
Symbols on the devices body contain important information on the safe operation of the MV
Station and its internal devices. Do not tear or damage them!
System Manual 2 Safety Instructions