4
• Check the positive and negative polarity of the PV strings, and connect the PV
connectors to corresponding terminals only after ensuring polarity correctness.
• During the installation and operation of the inverter, please ensure that the posi-
tive or negative poles of PV strings do not short-circuit to the ground. Other-
wise, an AC or DC short-circuit may occur, resulting in equipment damage. The
damage caused by this is not covered by the warranty.
Comply with the safety instructions related to PV strings and the regulations re-
lated to the local grid.
1.4 Operation Safety
When routing cables, ensure a distance of at least 30 mm between the cables and
heat-generating components or areas to protect the insulation layer of cables from
aging and damage.
When the product is working:
• Do not touch the product enclosure.
• It is strictly forbidden to plug and unplug any connector on the inverter.
• Do not touch any wiring terminal of the inverter. Otherwise, electric shock may
occur.
• Do not disassemble any parts of the inverter. Otherwise, electric shock may
occur.
• It is strictly forbidden to touch any hot parts of the inverter (such as the heat
sink). Otherwise, it may cause burns.
• Do not connect or remove any battery. Otherwise, electric shock may occur.
• Do not connect or remove any PV string or any PV module in a string. Other-
wise, electric shock may occur.
• If the inverter is equipped with a DC switch, do not operate it. Otherwise, it may
cause device damage or personal injury.
1 Safety Instructions User Manual
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