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User Manual V1.5-2021-01-21 02 Installation Instructions
• Please be careful against any electric shock or chemical hazard
• Make sure there is an external DC breaker (≥125A) connected for batteries without build-in DC
breaker.
• +: Positive polarity; -: Negative polarity
Make sure battery switch is o and battery nominal voltage meet S-BP specication
before connecting battery to inverter and make sure invereter is totally isolated from PV
and AC power.[4]
Battery wiring connection process
Prepare battery cables and accessories
and put battery power cable through
battery cover.
Note:
1.Please use delivered accessories.
2. Battery power cable should be 25-35mm
2
.
Use Special Tool to Crimp
Make battery terminals:
• Strip cable coat, revealing 10mm length of metal core.
• Use special crimper to compress battery terminal
tightly.
Connect battery terminal onto inverter.
Note: Please make sure polarity (+/-) of
battery are not reversed.
1
Battery Terminal
Waterproof Ring
Cable
Insulator
Screw Cap
2
* For the compatible lithium batteries (LG / PYLON / BYD / GCL / DYNESS / ALPHA) connection,
please visit www.goodwe.com.
Battery Protection Description
Battery will act as protective charge/discharge current limitation under any condition as below:
• Battery SOC is lower than I-DOD
• Battery voltage lower than discharge voltage
• Battery over temperature protection
• Battery communication abnormal for lithium battery
• BMS limitation for lithium battery
When charge/discharge current limitation protection happens:
• Under on-grid mode, battery charge/discharge operation could be abnormal
• Under o-grid mode, Back-Up supply will shut down
6~8N·m
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