Photovoltaic Grid-connected Microinverter (Built-in WIFI-G4) Installation and User Manual

Introduction to the Microinverter System

This manual details the installation, operation, and maintenance of the Deye Photovoltaic Grid-connected Microinverter, specifically the model with built-in WIFI (G4). The system enhances safety, maximizes solar energy harvest, and improves system reliability. It simplifies solar system design, installation, and management.

The microinverter system utilizes individual Maximum Peak Power Tracking (MPPT) controls for each PV module, ensuring optimal power output to the utility grid even when individual modules are affected by shade, dust, or orientation. This distributed system design eliminates single points of failure, making it more reliable than centralized or string inverters. The microinverters are designed for outdoor installation and are compliant with IP67 environmental enclosure ratings, capable of operating at ambient outdoor temperatures up to 45°C (113°F).

Key Features and Benefits

Maximizes PV energy production through individual MPPT.
Enhanced reliability with a distributed system design.
Simple and flexible installation.
Built-in WIFI module for direct communication with routers.
Suitable for residential, commercial, and light industrial environments.

Important Safety Instructions

Users must adhere to all safety instructions provided in this manual to reduce the risk of electrical shock and ensure safe installation and operation. Key safety points include:

Always disconnect the PV module from the Microinverter without disconnecting the AC power.
Only qualified professionals should perform installation and replacement.
Ensure all electrical installations comply with local electrical codes.
Be aware that the Microinverter body can reach high temperatures (up to 80°C) and maintain a safe distance of at least 20 cm when operating.
Never attempt to repair the Microinverter; contact technical support for replacement.
Ensure proper grounding and follow specific connection procedures for AC and DC inputs.

Technical Specifications

The manual includes detailed technical data for the SUN-M225G4-EU-Q0-I model, covering PV string input, AC output, efficiency, and equipment protection features. For detailed specifications, please refer to the Technical Data section.

Troubleshooting and Maintenance

Guidance is provided for troubleshooting common issues and a summary of maintenance requirements. Deye microinverters generally do not require specific regular maintenance. For any unresolved issues, contact Deye after-sales service.

Contact Information

For inquiries or support, Deye can be contacted via email at service@deye.com.cn or through their website at www.deyeinverter.com.

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Deye Photovoltaic Grid-connected Microinverter (Built-in WIFI-G4)