Tigo EI Inverter Manual

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

Rapid Shutdown Initiator

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Rapid Shutdown is required for any rooftop PV system governed by the National Electric Code since 2014. The EI Inverters paired with the TS4-A-F and TS4-A-O are UL PVRSS (PV Rapid Shutdown System) certified.

The initiation of rapid shutdown, per Code, may be either manual (e-stop button) or automatic (loss of grid). The type of PV system being installed will dictate the initiation options available.

Only one method may be labeled as the RSD Initiator.

Apply the yellow label (C) at the service entrance of which the system is connected.

Figure 47 Rapid Shutdown label