Fronius IG Plus 120 V-3 - User Manual

42,0426,0062,EA 02/2011
Fronius IG Plus
30 V / 35 V / 50 V / 70 V
100 V / 120 V / 150 V
g
Operating Instructions
Inverter for grid-connected photo-
voltaic systems

Fronius IG Plus 120 V-3 Specifications

General

Number of MPP Trackers	3
Dimensions	700 x 540 x 230 mm
Weight	50 kg
AC voltage range	180 - 277 V
Rated Output Power	12000 W
AC Power Output	12000 W

Summary

Safety Rules

General Safety Guidelines

Covers device safety standards, personnel qualifications, and notices.

Installation, EMC, and Grid Connection Safety

Safety for installation location, noise, EMC, and grid connection.

Electrical, ESD, and Operation Safety

General Information

Protection of Persons and Equipment

Inverter's safety features like galvanic isolation and grid monitoring.

Fronius IG Plus Unit in PV System Overview

Installation and Startup

Installation and Connection Overview

Connection Options and Wire Inputs

Physical Installation Steps

Covers attaching the wall bracket and mounting the inverter unit.

Connecting to the Public Grid (AC)

Instructions for safely connecting the inverter to the AC power grid.

Connecting Solar Module Strings (DC)

Guides on connecting solar DC strings, including safety and fuse selection.

Troubleshooting and Maintenance

Status Diagnosis and Troubleshooting

Overview of the inverter's self-diagnostic system and status codes.

Class 1 Status Codes (Grid-Related)

Class 3 Status Codes (Feed-in Interruption)

Class 4 Status Codes (Service Intervention Required)

Codes requiring intervention from a trained service technician.

Maintenance Procedures

Replacing String Fuses

Appendix

Technical Data

Detailed specifications for various Fronius IG Plus models.

Warranty and Disposal Information