Fronius Symo 12.5-3-M User Manual

/ Perfect Charging / Perfect Welding / Solar Energy
42,0410,2028 018-08082017
Fronius Symo
3.0-3-S / 3.7-3-S / 4.5-3-S
3.0-3-M / 3.7-3-M / 4.5-3-M
5.0-3-M / 6.0-3-M / 7.0-3-M
8.2-3-M
10.0-3-M / 12.5-3-M / 15.0-3-M
17.5-3-M / 20.0-3-M
Fronius Eco
25.0-3-S / 27.0-3-S
Operating Instructions
Grid-connected inverter
Istruzioni per l'uso
Inverter per impianti fotovoltaici col-
legati alla rete
Manual de instruções
Retificador alternado acoplado à
rede
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Fronius Symo 12.5-3-M Specifications

General

Dimensions	725 x 510 x 225 mm
Protection class	IP 66
Topology	Transformerless
Operating temperature range	-25°C to +60°C
Max. output current	18.1 A
THD	< 3%
Number of MPP trackers	2
Maximum Input Voltage	1000 V
Warranty	5 years
AC nominal output	12500 W
Max. apparent AC power	12500 VA
DC input voltage range	200 V - 1000 V
MPP voltage range	200 V - 800 V
AC nominal voltage	3 x 230 / 400 V

Summary

Safety Rules and Precautions

General Device Safety

Covers essential safety practices, warnings, and handling guidelines for the device.

Environmental and Service Engineer Requirements

Specifies operating conditions, and requirements for qualified service personnel.

General Inverter Information

Device Concept and Core Functionality

Explains the inverter's design, its role in solar systems, and safety aspects.

Proper Usage and Device Warnings

Defines correct application, prohibited uses, and the importance of on-device warnings.

Solar Module String Fuse Selection

Data Communication and Solar Net

Fronius Solar Net System Overview

Describes the Solar Net data network, its topology, and system add-ons.

Fronius Datamanager 2.0 Interface

Datamanager Controls and IP Configuration

Details on the Datamanager's physical controls, switches, and IP settings.

Initial Datamanager Setup Procedure

Step-by-step guide for the first-time installation and network connection.

Datamanager Setup via Mobile App or Web Browser

Inverter Controls and Indicators

Display Screen and Status LEDs

Menu Navigation and Real-time Data Viewing

SETUP Menu Configuration

Initial Settings and Software Update Notes

Navigating and Using the SETUP Menu

Example: Setting the Device Time

Inverter Key Lock Security

Securing the Setup Menu with Key Lock

Procedures for activating and deactivating the key lock function using a code.

USB Stick for Data Logging and Software Updates

Using USB Drives for Data Logging

Software Update Process via USB

Status Diagnostics and Troubleshooting Guide

Understanding Inverter Status Codes

How the inverter self-diagnoses and displays fault and status information.

Class 1 Status Codes: Grid Interferences

Common error codes caused by grid disturbances and their remedies.

Class 3 Status Codes: Minor Operational Issues

Class 4 Status Codes: Requiring Service Intervention

Faults that require intervention from a qualified service technician.

Class 5 Status Codes: Operational Restrictions and Warnings

Codes indicating operational limitations or warnings, with steps for acknowledgment.

Class 6 Status Codes: Needing Technical Support

Errors that require intervention by a trained service engineer.

Class 7 Status Codes: Control System and Data Errors

Faults related to the control system, configuration, and data recording processes.

Technical Data - Fronius Symo Series

Specifications for Symo 3.0-3-S to 4.5-3-S Models

Comprehensive technical specifications for the specified Fronius Symo inverters.

Specifications for Symo 3.0-3-M to 4.5-3-M Models

Comprehensive technical specifications for the specified Fronius Symo inverters.

Specifications for Symo 5.0-3-M to 7.0-3-M Models

Comprehensive technical specifications for the specified Fronius Symo inverters.

Specifications for Symo 8.2-3-M Model

Comprehensive technical specifications for the specified Fronius Symo inverter.

Specifications for Symo 10.0-3-M and 12.5-3-M Models

Comprehensive technical specifications for the specified Fronius Symo inverters.

Specifications for Symo 15.0-3-M to 20.0-3-M Models

Comprehensive technical specifications for the specified Fronius Symo inverters.

Specifications for Fronius Eco 25.0-3-S and 27.0-3-S Models

Comprehensive technical specifications for the specified Fronius Eco inverters.