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06 Electrical Connection
User Manual V1.0-2023-10-30
6�5 Connecting the Battery Cable
WARNING
• Connect the battery cables to the corresponding terminals such BAT+, BAT- and grounding ports
correctly. Otherwise it will cause damage to the inverter.
• Ensure that the whole cable cores are inserted into the terminal holes. No part of the cable core
can be exposed.
• Ensure that the cables are connected securely. Otherwise it will cause damage to the inverter
due to overheat during its operation.
DANGER
• The battery used with the inverter shall be approved by the inverter manufacturer. The approved
battery list can be obtained through the ocial website.
• A short circuit in the battery may cause personal injury. The instantaneous high current caused
by a short circuit can release a large amount of energy and may cause a re.
• Before connecting the battery cable, ensure the inverter and the battery, and
downstream&upstream switches, are all disconnected.
• It is forbidden to connect and disconnect the battery cables when the inverter is running.
Otherwise it may cause electric shock.
• Do not connect one battery pack to more than one inverter at the same time. Otherwise, it may
cause damage to the inverter.
• It is forbidden to connect loads between the inverter and batteries.
• When connecting battery cables, use insulated tools to prevent accidental electric shock or short
circuit to the batteries.
• Ensure that the open circuit voltage of the battery is within the permissible range of the inverter.
• Install a DC breaker between the inverter and the battery.
NOTICE
• Delayed charge cannot be set to 100% if the PV is oversizing.
• Connecting the BMS communication cable for battery communication when conneting the
inverter to the battery. For more detailed instructions, refer to 6.7.2 Connecting the BMS or
Meter Communication Cable.
• The batteries and inverters should be connected in dierent ways when the inverter models dier
or the number of batteries dier, as explained below:
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