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EI Inverter (US)

  • Application note: EI Inverter (US) power output control (IPOC)
  • Summary:Inverter Power Output Control (IPOC) allows installers to reduce or derate an inverter's maximum output power to meet specific project or regulatory requirements. This is especially useful ... See more
  • Checklist: Repowering a PV System with a Tigo EI Inverter
  • This checklist is a companion article to the more detailed information found here: Repowering a PV System with a Tigo Inverter: The Definitive Guide 1. Assessment of Existing System Inspect the co... See more
  • Repowering a PV System with a Tigo Inverter: The Definitive Guide
  • Shortcuts:1. Assessment of Existing System2. Voltage and Current Checks3. Inverter Compatibility4. Regularitory and Code Compliance5. System Efficiency and Performance Gains6. Installation Best Pra... See more
  • EI System Power and Capacity Chart
  • The EI battery capacity and EI Inverter continuous and max power (also called a surge or start-up power) varies depending on the inverter size, and the number of batteries. This chart parses these ... See more
  • How to install the Tigo Rapid Shutdown Button
  • 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... See more
  • Tigo Energy Meter Installation
  • 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... See more
  • EI Residential Solution: How to test Backup Mode after commissioning
  • 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... See more
  • How to activate the GO Cellular Kit
  • 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... See more
  • Tigo EI Inverters on 208V Three Phase Service
  • All Tigo EI Inverter models (3.8, 7.6, and 11.4 kW) are compatible with 208V and 240V systems. Although the EI Inverters are single-phase (split-phase, 120/240V), they can be used on a three-phase ... See more
  • How to AC couple a third party inverter with the Tigo Energy Storage System
  • "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 ... See more
  • Tigo Inverter compatibility with third-party batteries
  •   "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... See more
  • How to Install and Commission the GO Cellular Kit (US version)
  • 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 ... See more
  • Tigo Battery Sizing Tool
  •   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... See more
  • Tigo String Sizing Tool
  •   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... See more
  • Viewing Real Time Data on the EI Inverter
  • 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... See more
  • How to Connect Multiple EI Inverters to an E-Stop Rapid Shutdown Switch
  • 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... See more
  • Commissioning: Connecting EI Inverter to customer's Wi-Fi
  • 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... See more
  • EI Inverter Warning Code 210 - PV Polarity Reversed
  • 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... See more
  • EI Inverter Error Code 203 - PV Isolation Low
  • 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... See more
  • EI Inverter Error Code 201 - Residual Current High
  • Contents:  Issue Possible Causes Troubleshooting Step 1. Completely de-energize system Step 2. Check inverter grounding conductor screw tightness Step 3. Check PV grounding conductor integrity. ... See more
  • Tigo EI Inverter - PV Array Ground Fault Troubleshooting
  • 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... See more
  • EI Inverter Error Code 200 - AFCI Fault
  • 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... See more

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