EI Battery (Including EI BMS)
Quick Start Guide - EI BMS/TSB-3/EI Battery Accessories
Pg 3 of 3
Note: Previous step’s wiring not shown
1.
BMS to Battery1 connections:
•
Battery Module Power Cable from BMS B+ to Battery1 B+.
•
Comm Communication Cable from BMS COMM to Battery 1 COMM1.
•
Grounding Wire from BMS Ground to Battery1 Ground.
2.
BMS to Battery2 connections:
•
Battery Module Power Cable from BMS B- to Battery2 B-
3.
Battery1 to Battery2 connections:
•
Battery Module Power Cable from Battery1 B- to Battery2 B+.
•
Comm Communication Cable from Battery1 COMM2 to Battery2 COMM1.
•
Grounding Wire from Battery1 Ground to Battery2 Ground.
3.1.3. Battery Connections (Two Batteries)
Connect the following ports between the BMS, EI Inverter, and Battery1:
1.
Connect Battery Module Power Cable from BMS B+ to Inverter B+ port.
2.
Connect Battery Module Power Cable from BMS B- to Inverter B- port.
3.
Connect Battery COMM cable from BMS COMM to Battery1 COM1 port.
4.
Connect BMS Ground wire from BMS ground screw to Battery1 ground screw.
3.1.2 Battery Connection (One Battery)
1.
BMS to Battery1: B+ to B+; COMM to COMM1;
Ground to Ground
2.
BMS to Battery3: B- to B-
3.
Battery1 to Battery2: B- to B+; COMM2 to COMM1;
Ground to Ground
4.
Battery2 to Battery3: B- to B+; COMM2 to COMM1;
Ground to Ground
3.1.4 Three Batteries
1.
BMS to Battery1: B+ to B+; COMM to COMM1;
Ground to Ground.
2.
BMS to Battery3: B- to B-.
3.
Battery1 to Battery2: B- to B+; COMM2 to COMM1;
Ground to Ground.
4.
Battery2 to Battery3: B- to B+; COMM2 to COMM1;
Ground to Ground.
5.
Battery3 to Battery4: B- to B+; COMM2 to COMM1;
Ground to Ground.
3.1.5 Four Batteries
4. Your Customer Service Contact
Tigo Energy Italy
Srl Via Calamandrei 36 52025
Montevarchi Tuscany, Italy
Americas: +1 408 402 0802
International: 00800 2255 8446
https://support.tigoenergy.com/
BMS
Battery1
Battery2
BMS
B+
B-
COM1
COM2
B-
B+
BAT +
BAT-
BMS
COMM
B+
B-
COM1
COM2
BMS
Battery1
BAT+
BAT-
BMS
Inverter Ports:
Battery3
B+
B-
COM1
COM2
Battery2
B+
B-
COM1
COM2
B-
B+
BAT +
BAT-
BMS
COMM
B+
B-
COM1
COM2
BMS
Battery1
BAT+
BAT-
BMS
Inverter Ports:
Battery3
B+
B-
COM1
COM2
Battery2
B+
B-
COM1
COM2
Battery4
Battery1
Battery2
Battery3
Battery1
Battery2
Battery3
Battery4
PN: 002-00111-00 | REV 3.0 | Oct. 21, 2022
