Installation – Connect Batteries
EI Residential Solar Solution Installation Manual |
27
Connect Batteries
To connect the BMS to a single battery:
1.
Connect the COMM cable to the BMS COMM port and the battery COM1 port. Ensure it
clicks into place.
2.
Connect the power cables from the BMS B+ and B– ports to their respective battery B+
and B- ports. Note their different lengths and connect them as shown. Ensure all click
into place.
3.
Connect the earthing cable from the BMS to the battery. Torque to 2.5 NM.
To connect up to four batteries:
1.
Connect an earthing cable between all enclosures.
2.
Connect the shortest power cable between the BMS B+ port and the first battery B+
port.
The BMS B+ and B– ports are in opposite positions than the battery B+ and B–
ports.
3.
Connect the longest power cable between the BMS B– port and the last battery B– port.
4.
Connect a power cable between the first battery B– and the next battery B+ port.
Repeat for each subsequent battery.
5.
Connect a COM cable between the BMS COMM port and the first battery COM1 port.
6.
Connect a COM cable between the first battery COM2 port and the next battery COM1
port. Repeat for each subsequent battery.
