Related Manuals for Fronius 3.1-1
Summarization of Contents
Safety Guidelines
Safety Level Definitions
Defines danger levels (DANGER, WARNING, CAUTION, NOTE) and their meanings.
General Safety and Electrical Compliance
Covers general manual instructions and electrical installation code compliance.
Critical Safety Warnings
Operational, Ground Fault, and DC Voltage Dangers
Covers dangers from improper work, ground faults, and DC voltage.
Fire Prevention Safety Measures
Warns of fire risk from faulty installations causing overheating or arcs.
Intended Use and Safety Notes
Definition of Proper Use
Defines the inverter's purpose and non-conforming uses.
Liability and System Check Notes
Covers liability, arc fault notes, and system check requirements after faults.
Installation Location Selection
Location Criteria and Altitude Limits
Criteria for choosing location, including indoor/outdoor, altitude, and temperature.
Installation Position Requirements
Permitted Installation Positions
Describes suitable and unsuitable installation positions (vertical, horizontal, sloping).
General Installation Location Selection
Surface Requirements
Specifies installing only on a solid, non-flammable surface.
Multi-Inverter Installation Example
Example Installation Layout
Provides an illustration and notes on installing multiple inverters with clearances.
Mounting Bracket Installation
Bracket Safety, Material, and Screw Selection
Covers bracket safety, material choice, and recommended screw types.
Mounting Bracket Installation Steps
Opening Inverter and Brick/Concrete Wall Mounting
Details opening the inverter and mounting the bracket on brick or concrete.
Mounting Bracket Installation Steps
Timber Wall Mounting and Bracket Integrity
Covers timber wall mounting and preventing bracket warping or deformation.
Mounting Bracket Installation Variants
Metal Carrier and Mast Mounting
Explains attachment to metal carriers and masts using kits.
Knockout Procedures
Knockout Safety and Identification
Warns of knockout safety risks and identifies knockout sizes/uses.
Knockout Procedures
Knockout Removal Methods
Details methods for removing knockouts, including safety and tool recommendations.
AC Connection - Grid Compatibility
Grid Connection Diagrams and Types
Lists compatible grid types and shows wiring diagrams for different setups.
AC Connection Safety
General AC Connection Safety Warnings
Warns about dangers from grid/DC voltage and improper work.
AC Connection Safety and Cable Specs
Terminal, Fuse, and Cable Safety/Specs
Covers terminal connection safety, AC fuse safety, and permitted cable types.
AC Connection Cable Preparation
Aluminum Cable Prep and Grid Monitoring
Details aluminum cable prep and requirements for grid monitoring.
Grid Connection Details
Ground Connection and Cable Loop Requirements
Emphasizes proper ground connection torque and creating cable loops.
AC Overcurrent Protection
Maximum Protection Limits and Models
Specifies max protection (20 A) and lists inverter models with output.
External Disconnect Requirements
Additional Disconnect Needs
Notes that external disconnects may be required depending on installation location.
Solar Module Grounding
Grounding Procedures in Inverter
Explains GFDI fuse for negative grounding and procedures for ungrounded/positive-grounded modules.
DC Connection Safety
DC Connection Safety Warnings
Warns about dangers from grid/DC voltage, improper work, and component sizing.
DC Connection Specifics
Module Grounding Risks and DC Terminal Safety
Details grounding risks, terminal safety, and overload prevention.
DC Connection and Solar Module Info
Solar Module Voltage Limits and DC Connection
Explains voltage limits, temperature effects, and DC connection procedure.
Data Communication Cables
Laying Data Cables
Provides instructions on routing data communication cables, including conduits and protection.
Inverter Mounting to Bracket
Clipping Inverter to Wall Bracket
Details the safety mechanism and procedure for attaching the inverter to the wall bracket.
Anti-Theft Device
Installing Anti-Theft Device
Describes the optional anti-theft device and its installation process.
Software Updates
Performing Software Updates via USB
Explains how to update inverter software using a USB stick.
USB Stick Functionality
USB Drive as Data Logger
Describes using a USB flash drive for data logging and viewing data in CSV format.
USB Data File Structure
Details the files created by the datalogger and their purpose.
USB Stick Data Management
USB Data Capacity and Limits
Explains CSV file row limits and storage duration for logging intervals.
USB Stick Data Management
Inverter Buffer Memory
Describes the inverter's buffer memory for logging data when the USB is removed.
Recommended USB Drives
Recommends certified industrial USB drives and supported file systems.
USB Stick Operations
Updating Inverter Software via USB
Details using the USB stick to update inverter software.
Safe USB Stick Removal
Provides safety information for safely removing the USB stick to prevent data loss.
Maintenance and Cleaning
Regular Maintenance Checks
Advises annual checks for screw connections and technician-only maintenance.
Inverter Cleaning Instructions
Instructs to wipe the inverter with a damp cloth and avoid harsh cleaning agents.
Serial Number Information
Using Serial Number Stickers
Explains where to find the serial number and how to use the included stickers.
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