Tigo EI Inverter Manual

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

AC Backup Connections - Battery systems only

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

This section refers to the wiring between the inverter and the EI Automatic Transfer Switch(ATS). The ATS must be securely mounted before wiring is to take place. Refer to the ATS manual for instructions on mounting prior to completing the wiring described in this section. The TSS-50-US manual can be found by scanning the QR code to the right or at the following link: https://www.tigoenergy.com/product/ats

Figure 25 AC Backup connections
Figure 26 EGC Ground bus connection

Figure 27 AC Backup conductor connect

1)   Insert the EGC into the Grounding terminal and torque the set screw to 1Nm.

2)   Insert the 1/8” standard 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 conductor.

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