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02 Safety Precaution User Manual V1.4-2022-08-30
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.
WARNING
• The voltage and frequency at the connection point meet the inverter grid connection
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 rated AC output
rated 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.
• 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.
• Inverters should not be installed in multiple phase combination.
2.3 Inverter Safety