Tigo EI Inverter Manual

Installation manual for the Tigo EI Inverter, including instructions for the EI Battery, ATS, and Energy Meter

AC Grid Connections

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Tools required: 1/8” flat screwdriver, #2 philips screwdriver, cable ties, multimeter

Figure 22 AC Grid connections

Figure 23 EGC ground bus connection

1)  Insert the EGC to the Grounding busbar. Using the #2 philips screwdriver, torque the set screw to 1Nm.

2)   Insert the 1/8” flat blade screwdriver into the square hole above the L1 wire terminal, pressing to open the clamp.

3)   Insert the L1 conductor into the appropriate wire terminal according to the labels and remove screwdriver to clamp the conductor.

4)   Gently tug the conductor to ensure it is securely terminated.

5)   Repeat above steps 2-4 for L2 and N conductors.

6)   Dress conductors with cable ties, ensuring even bends and sufficient strain relief.  

The opposite end of these conductors are terminated at an over current protection device in the main distribution panel. The table below contains the recommended over current protection rating.

Figure 24 AC grid conductor connections

Table 6 OCPD recommendations