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02 Safety Precaution
User Manual V1.0-2023-10-30
DANGER
• All labels and warning marks should be visible after the installation. Do not cover, scrawl, or
damage any label on the equipment.
• Warning labels on the inverter are as follows:
DANGER High voltage hazard.
Disconnect all incoming power
and turn o the product before
working on it.
Delayed discharge. Wait 5
minutes after power o until
the components are completely
discharged.
Read through the user manual
before any operations.
Potential risks exist. Wear proper
PPE before any operations.
High-temperature hazard. Do
not touch the product under
operation to avoid being burnt.
Grounding point.
CE certication mark. Do not dispose of the inverter as
household waste. Discard the
product in compliance with local
laws and regulations, or send it
back to the manufacturer.
2�3 Inverter Safety
WARNING
• The voltage and frequency at the connecting point should meet the on-grid requirements.
• Additional protective devices like circuit breakers or fuses are recommended on the AC side.
Specication of the protective device should be at least 1.25 times the maximum AC output
current.
• Make sure that all the groundings are tightly connected. When there are multiple inverters, make
sure that all the grounding points on the enclosures are equipotential bonding.
• The alarm can be cleared automatically if the inverter triggers a fault for less than 5 times within
24 hours. The inverter will shutdown for protection after the 5th electric arc fault. The inverter can
operate normally after the fault is solved.
• BACK-UP is not recommended if the PV system is not congured with batteries. Otherwise, the
risk in system power usage is beyond the equipment manufacturer's warranty scope.
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