B3 ESS Unit User Manual
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Step1 Installation preparation
Confirm that the ON/OFF switch on the front panel of B3 unit is in the “OFF” state to
ensure no live operation.
Step 2 Mechanical installation
1. Battery placement position determination
2. Battery module installation
Step 3 Electrical installation
1. Ground cable installation
2. Battery module parallel cable installation
3. Parallel communication cable connection
Step 4 Battery system self-test
1. Turn the ON/OFF switch to the "ON" state
2. Press SW button 3S to wake up battery
3. Check the system output voltage and led status
4. Shut down the system
Step 5 Connecting inverter
1. Connect total positive & total negative cable of the battery system to the inverter
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