2
• Equipped with certain electrical wiring and mechanical knowledge and familiar with
electrical and mechanical principle diagram
• Familiar with the construction and working principle of the PV grid-connected power
generation system
• Familiar with the construction and working principle of the inverter upstream and
downstream equipment
• Trained especially in the installation and commissioning of electrical devices
• Capable of coping with the dangerous and emergency situations during the installation
and commissioning
• Familiar with the country/regional standards and specifications
• Familiar with this manual
1.4 Symbols Explanation
This manual contains important safety and operational instructions that must be accurately
understood and respected during the installation and maintenance of the equipment.
To ensure the optimum use of this manual, note the following explanations of the symbols
used.
DANGER indicates a hazard with a high level of risk which, if not avoided, will
result in death or serious injury.
WARNING indicates a hazard with a medium level of risk which, if not avoided,
could result in death or serious injury.
CAUTION indicates a hazard with a low level of risk which, if not avoided, could
result in minor or moderate injury.
NOTICE indicates a situation which, if not avoided, could result in equipment or
property damage.
NOTE indicates additional information, emphasized contents or tips to help you
solve problems or save time.
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