User Manual 1 Safety Instructions
1.3 Electrical Connection Safety
DANGER
• Before electrical connections, please make sure that the inverter is not damaged,
otherwise it may cause danger!
• Before electrical connections, please make sure that the inverter switch and all
switches connected to the inverter are set to "OFF", otherwise electric shock may
occur!
DANGER
The PV string will generate lethal high voltage when exposed to sunlight.
• Operators must wear proper personal protective equipment during electrical con
nections.
• Must ensure that cables are voltage-free with a measuring instrument before
touching DC cables.
• Respect all safety instructions listed in relevant documents about PV strings.
• The inverter must not be connected to a PV string that requires positive or negative
grounding.
DANGER
Danger to life due to a high voltage inside the inverter!
• Be sure to use special insulation tools during cable connections.
• Note and observe the warning labels on the product, and perform operations strict
ly following the safety instructions.
• Respect all safety instructions listed in this manual and other pertinent docu
ments.
WARNING
Damage to the product caused by incorrect wiring is not covered by the warranty.
• Electrical connection must be performed by professionals.
• All cables used in the PV generation system must be firmly attached, properly
insulated, and adequately dimensioned.
3
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