This article explains installing the Tigo Rapid Shutdown (RSD) push button included with the EI Inverter.
Video: How to Install the Tigo Rapid Shutdown Button
Note:
This button must be used with t...
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Applications
There are two applications for the Tigo Energy Meter:
Application 1
Installation with the EI Inverter but without a Tigo EI ATS
Application 2
Installation with the EI Inverter...
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This short process outlines the testing method for the EI Inverter, Battery, and ATS. It verifies the system successfully enters Backup during a grid outage, and returns to normal operating behavio...
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Use this document to activate the GO Cellular kit after it has been installed in the Tigo Inverter. Click here for the installation procedure.
For installation assistance, refer to the Tigo Inverte...
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All Tigo EI Inverter models (3.8, 7.6, 11.4 kW) are 208V and 240V compatible. Although the EI Inverters are single-phase, they can be used on a three-phase 208V AC panel. Pick two phases for the in...
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"Can I add a Tigo energy storage solution to my existing solar system?"
The answer is YES!
AC Coupled System
In an AC coupled system, the solar from an existing third-party (non-Tigo) inverter i...
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"Can I use a Tigo Inverter with a different brand of battery?"
Tigo strongly advises our customers to install only Tigo Batteries with the Tigo EI and Go Inverters. This product pairing, pro...
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The GO Cellular Kit adapter allows the Tigo EI Inverters to connect to cellular networks. The kit includes a 5-year prepaid plan.
The Tigo EI System's communication priority is always WiFi, but if ...
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The Tigo EI Battery (US) Sizing Tool is for grid-tied residential systems and is divided into two sections:
Load Entry fields
Load Analysis
Click HERE to download the tool.
Click HERE to watc...
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The Tigo Solar Sizing Tool is designed to help you determine the number of modules per string and the number of strings the Tigo EI Inverter (US) will need to operate correctly.
IMPORTANT
The Ti...
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Once a Tigo Inverter has been commissioned, the Installer can confirm success by temporarily accessing the Inverter's real-time production data, warnings, and notifications via Bluetooth.
This ena...
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One E-Stop switch can shut down multiple PV strings feeding multiple EI Inverters.
To enable this, daisy-chain two 20 – 18 AWG wires to connect EI Inverter E-Stop switch terminals to the E-Stop swi...
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The article explains how to connect the Tigo EI Inverter to the customer's Internet during the commissioning process.
Create or Add an EI Residential System (Inverter, Battery and ATS)
Create an...
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Symptoms:
The EI Inverter log reports the following message: Warning Code 210 - PV Polarity Reversed.
Cause:
PV source circuits have been reversed, i.e. the positive homerun was landed in the...
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Symptoms:
The following error message is reported: Error Code 203 - PV Isolation Low.
Cause:
The inverter has detected a low resistance reading to ground.
There is an issue with DC wiring or mo...
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This article contains background information to supplement these articles:
EI Inverter Error Code 200 - AFCI Fault
EI Inverter Error Code 201 - Residual Current High
EI Inverter Error Code 203 - PV...
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Symptoms:
The EI Inverter reports the following message: Error Code 200 - AFCI Fault.
The EI Inverter LED Indicator shows a continuous red fault light accompanied by a loud buzzer.
Cause:
Th...
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