Safety Warning Signs; Daily Operation And Maintenance - Sungrow SG4950HV-MV System Manual

System Manual
Do not damage or tear the symbols.
All symbols on the device body must be clearly visible.
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Replace the symbols once any damaged or unclearness is detected.
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2.2.13 Safety Warning Signs

During transport, installation, maintenance and troubleshooting of the MV Station, keep
non-related persons away.
Post warning signs near the MV Station upstream and downstream switches to
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prevent accidental connection.
Place necessary warning signs or barriers near the on-site operation areas.
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2.2.14 Daily Operation and Maintenance

Make sure the MV Station doors are closed and locked during daily operation to prevent
internal devices from damages by rain or rodents.
Routine check and maintain the MV Station and internal devices to ensure long and
reliable operation of the MV Station.
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.
The pressure relief valve of the transformer must be open before the running of
switchgear.
Take the followings into consideration during daily operation and maintenance:
The nameplate is pasted on the MV Station body. It contains very important
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parameter information about the devices. Protect the nameplate during all
operations.
Heating components may exist inside the MV Station. When the device stops, the
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heating components may still be hot. Wear proper glove when working on them.
Wear proper PPE, such safety glasses, safety footwear and safety gloves if
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necessary.
Necessary auxiliary measures are recommended to ensure personal and device
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safety.
2 Safety Instructions
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