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06 Electrical Connection

User Manual V1.6-2024-03-20

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 ocial 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 6.7.3 Connecting the BMS

or Meter Communication Cable.

• The batteries and inverters should be connected in dierent ways when the inverter

models dier or the number of batteries dier, as explained below:

Goodwe GW15K-ET User Manual

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