Enphase IQ System Controller 3/3G: Quick Installation Guide

Introduction

The Enphase IQ System Controller 3 and 3G represent the third generation of Enphase's intelligent energy management solutions. These controllers are designed to manage solar power, battery storage, and generator inputs, offering flexible backup capabilities for homes. This document outlines the different system configurations and provides critical installation instructions to ensure optimal performance and safety.

Key Features and Configurations

The IQ System Controller 3 and 3G support various backup scenarios:

• Scenario 1: Full Energy Independence Configuration - Whole home backup with IQ System Controller 3.
• Scenario 1a: Full Energy Independence Configuration - Whole home backup with IQ System Controller 3G.
• Scenario 2: Home Essentials Backup Configuration - Partial home backup with IQ System Controller 3.
• Scenario 2a: Home Essentials Backup Configuration - Partial home backup with IQ System Controller 3G, with optional generator integration.
• Scenario 3: Sunlight Backup - Partial home backup using IQ8 PV with IQ System Controller 3.
• Scenario 3a: Sunlight Backup with generator - Partial home backup using IQ8 PV with IQ System Controller 3G and optional generator integration.

Important Considerations

For detailed compatibility information, including supported microinverters, combiners, and load controllers, please refer to the compatibility tables within the full document.

Safety First: Always follow the provided warnings and instructions carefully. Installation, troubleshooting, and replacement should only be performed by qualified electricians.

Compliance: Ensure all installations comply with national and local electrical codes and standards.

For further assistance and resources, visit the Enphase support page at www.enphase.com/support.