Sungrow SG3425UD - Safety Warning Signs; Daily Operation and Maintenance; Disposal of Waste

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Do not damage or tear the symbols.
• All symbols on the device body must be clearly legible.
• Replace the symbols once any damage or illegibility is detected.
2.2.12 Safety Warning Signs
During transport, installation, maintenance, and troubleshooting of the inverter, keep
unauthorized persons away.
• Post warning signs near the inverter upstream and downstream switches to prevent
inadvertent connection.
• Place necessary warning signs or barriers near the on-site operation areas.
2.2.13 Daily Operation and Maintenance
Make sure the doors of the inverter are closed and locked during daily operation to prevent
internal devices from damages caused by rain or rodents.
Regularly check and maintain the inverter and internal devices to ensure long-term and
reliable operation of the inverter.
Take proper insulation protection measures during live line operation. At least two
persons are required until the operation is performed.
Proper field rescue facilities are required since most PV stations are installed in
places far away from the urban areas.
Take the followings into consideration during daily operation and maintenance:
• The nameplate is found on the inverter body. It contains important parameter information
of the devices. Protect the nameplate during all operations.
• Heating components may exist inside the inverter. When the device stops, the heating
components may be still hot. Wear proper gloves when working on them.
• Maintain the cooling fans inside the inverter only when the fans stop rotating.
• Wear proper PPE, such as safety glasses, safety footwear, and safety gloves, if
necessary.
• Necessary auxiliary measures are recommended to ensure personal and device safety.
2.2.14 Disposal of Waste
When the inverter has come to the end of its service life, it cannot be disposed of together
with household wastes. Some inside components can be recycled while some components
can cause environmental pollution.
Contact the local authorized collection point.
2 Safety Instructions System Manual