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Symo 12.0-3
Installation instructions manual
Fronius Symo 12.0-3 Installation Instructions Manual
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Contents
Table of Contents
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Table of Contents
Table of Contents
Safety
General
Electrical Installations
Installation Location and Position
Explanation of Safety Instructions
Safety
Intended Use
Location Selection
Installation Position of the Inverter
General Location Selection
Example: Installation of Several Inverters
Do Not Ground the Solar Modules
Preparation
Attaching the Mounting Bracket
Safety
Selecting Dowels and Screws
Screw Recommendation
Opening the Inverter
Installing the Mounting Bracket on a Wall
Installing the Mounting Bracket on a Mast or Beam
Attaching the Mounting Bracket to a Metal Carrier
Do Not Warp or Deform the Mounting Bracket
Knockouts
Safety
General
Knocking or Drilling out Knockouts
Suitable Grids
Connecting the Inverter to the Public Grid (AC Side)
Safety
Permitted Cables
Preparing Aluminum Cables for Connection
Monitoring the Grid
Fronius Symo 15.0-3 208 - Ferrite Ring
Connecting the Inverter to the Public Grid (AC)
Maximum AC Fuse Protection
Additional External AC And/Or DC Disconnect
Notes on the Multi-MPP Tracker Inverter
Multi MPP Tracker - Inverter
Connecting Solar Module Strings to the Inverter
Safety
String Fuses
Permitted Cables
General Information about Solar Modules
Connecting Aluminum Cables
Connecting Solar Module Strings to the Inverter
Laying Solar.net Cables
Data Communication
Lay Data Communication Cables
Installing Datamanager in the Inverter
Finally
Seal Conduits
Clipping the Inverter Onto the Mounting Bracket
Using for the First Time
Using the Inverter for the First Time
Options
USB Stick as a Data Logger and for Updating Inverter Software
USB Flash Drive as a Data Logger
Data on the USB Stick
Data Amount and Memory Capacity
Buffer Memory
Suitable USB Thumb Drives
USB Stick for Updating Inverter Software
Removing the USB Stick
Options
OPTION 'Shadecover
Care and Maintenance
Notes on Maintenance
Maintenance
Cleaning
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Installation
Instructions
Fronius Symo - Installation
10.0-3 208-240
12.0-3 208-240
10.0-3 480
12.5-3 480
15.0-3 480
15.0-3 208
17.5-3 480
20.0-3 480
22.7-3 480
24.0-3 480
EN-US
Installation instructions
42,0426,0202,EA
018-16052022
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Summarization of Contents
Safety Information
General Safety Guidelines
Manual contains important instructions for inverter installation and maintenance.
Electrical Installation Safety
Electrical installations must comply with national and local codes and regulations.
Installation Location and Position
Safety Instructions and Symbols
Explains safety symbols and highlights dangers from incorrect operation or work.
Fire Prevention and Intended Use
Details precautions against fire risks and defines the inverter's intended purpose.
Location Selection Criteria
Provides criteria and guidelines for selecting a suitable location for inverter installation.
Inverter Installation Positions
Details suitable and unsuitable installation positions for the inverter, including orientations.
General Location Considerations
Outlines criteria for choosing an inverter location, including clearances and environmental conditions.
Solar Module Grounding Requirements
Explains that solar modules must not be grounded at either the positive or negative pole.
Preparation and Mounting
Attaching the Mounting Bracket
Provides steps and safety warnings for securely attaching the mounting bracket.
Knockout Procedures
Details safety precautions and methods for removing knockouts for cable entries.
AC Connection Procedures
Suitable Grid Types
Details different grid types and their compatibility with specific inverter models.
Connecting to the Public Grid
Provides safety instructions and requirements for connecting the inverter to the public AC grid.
Permitted AC Cables
Specifies cable types, AWG sizes, and connection requirements for the AC side.
Aluminum Cable Preparation
Provides connection requirements for aluminum cables, including oxide layer treatment.
Grid Monitoring and Ferrite Rings
Explains grid monitoring resistance and the use of ferrite rings for specific models.
Maximum AC Fuse Protection
Specifies power circuit breaker requirements and limitations for AC connections.
External AC/DC Disconnects
Discusses the need for external disconnects in inaccessible locations for safety personnel.
DC Connection Procedures
Multi-MPP Tracker Operation
Explains dual DC inputs and connection options for module fields on Multi-MPP Trackers.
Connecting Solar Module Strings
Provides safety instructions and procedures for connecting solar module strings to the inverter.
String Fuse Protection
Details the application and specifications of string fuses for additional protection of solar modules.
Permitted DC Cables
Specifies allowed cable types for DC connections, including copper and aluminum options.
Solar Module Selection Guidelines
Provides guidance on selecting suitable solar modules, considering open circuit voltage and altitude.
DC Aluminum Cable Connections
Details connection requirements for aluminum cables on the DC side, including oxide layer treatment.
Data Communication and Solar.Net
Laying Data Communication Cables
Provides step-by-step instructions for routing and installing data communication cables.
Installing the Datamanager
Details the process for installing the Fronius Datamanager, including safety precautions.
Physical Installation and Initial Setup
Sealing Conduits
Provides instructions on sealing conduits to prevent condensation and air circulation issues.
Clipping Inverter to Mounting Bracket
Details the process and safety precautions for attaching the inverter to its mounting bracket.
Initial Inverter Startup
Guides users through the initial setup process, including country selection and language.
Options and Maintenance
USB Stick Functionality
Explains how USB sticks function as data loggers and for software updates.
Data Management and Buffer Memory
Covers data storage, memory capacity, and buffer memory usage.
USB Stick Handling and Removal
Provides safety instructions for removing USB sticks and updating software.
Optional Accessories
Details options like the Shade Cover and guidelines for mounting other accessories.
Maintenance Procedures
Advises on performing annual checks for horizontal/outdoor installations and service by trained technicians.
Cleaning the Inverter
Provides instructions on cleaning the inverter using a damp cloth and avoiding harsh agents.
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