The EI Inverter – Power Connections
EI Residential Solar Solution US Installation Manual | www.tigoenergy.com | Help Center 17
To connect PV strings:
1. Ensure TS4s are properly connected to their PV strings.
The voltage of each PV string must be less than 600V
DC
.
Neither positive nor negative conductors can be grounded.
2. Connect conductors to the inverter:
• 3.8kW (2 MPPT) EI Inverter: up to two strings
• 7.6kW (3 MPPT) EI Inverter: up to three strings
• 11.4kW (4 MPPT) EI Inverter: up to four strings
3. Connect the PV array rack EGC to the inverter EGC busbar.
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