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06 Electrical Connection
User Manual
V1.0-2023-10-30
GEH15-3U-10 or GEH20-3U-10 can be connected to only one battery system� The battery
cable must be connected to the BAT1+/- ports, as shown below�
GEH25-3U-10, GEH29�9-3U-10, and GEH30-3U-10 can be connected to one or two battery
systems, as shown below�
BAT+
COM1
COM3
COM2
BAT-
BMS1
BAT1+ BAT1-
BAT+
COM1
COM3
COM2
BAT-
BMS1
BAT1+ BAT1-
Battery system
Battery system
When connecting a single battery system to BAT1+/- ports of the inverter, the BMS
communication cable should be connected to the BMS1 port as below