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Fronius Primo 208-240 User Manual

Fronius Primo 208-240
36 pages
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/ Perfect Charging / Perfect Welding / Solar Energy
42,0426,0197,EA 014-29052017
Fronius Primo 208-240:
Symbol Explanations and
Choosing the Location
Notes on Installation and
Connection
Operating Instructions
Inverter for grid-connected photo-
voltaic systems
EN-US

Table of Contents

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Fronius Primo 208-240 Specifications

General IconGeneral
Output Power3.8 kW
Protection ClassIP65
THD< 3 %
AC grid frequency60 Hz
AC nominal voltage208/240 V
AC voltage range183-264 V
Operating Temperature Range-25°C to +60°C
Warranty10 years
Max. output current16 A

Summary

Symbol Explanations

Explanation of Safety Instructions

Explains DANGER, WARNING, CAUTION, NOTE, and IMPORTANT symbols for safety.

Location Suitability Symbols

Explains symbols for indoor, outdoor, and direct sunlight installation suitability.

Installation Position Symbols

Suitable Installation Orientations

Illustrates and describes acceptable vertical, horizontal, and inclined mounting positions.

Prohibited Installation Positions

Shows and explains incorrect mounting orientations, like upside down or with sockets facing up.

More Prohibited Installation Orientations

Details further incorrect orientations like overhanging or ceiling mounting.

Choosing the Location

Intended Use and Proper Operation

Defines the purpose of the inverter and emphasizes proper usage guidelines.

Location Criteria - Fronius Primo 3.8-8.2

Specifies environmental conditions, clearances, and surface requirements for installation.

Location Criteria - Fronius Primo 10.0-15.0

Details environmental and clearance requirements for larger inverter models.

Installation Information

Mounting Hardware and Screws

Explains selection of mounting hardware and recommends specific screw types.

Attaching the Wall Bracket

Provides instructions and diagrams for attaching the wall bracket to the mounting surface.

Mounting the Inverter on a Mast

Details mounting the inverter on a mast using a specific kit and compatible mast diameters.

Notes on the Knockouts

Knockout Identification and Purpose

Describes the purpose and sizes of knockouts for various wiring entries.

Knockout Removal Procedures

Provides instructions and safety precautions for removing knockouts using tools.

Rear Knockout Removal and Conduit Attachment

Details methods for removing rear knockouts and attaching appropriate conduits.

Suitable Grids

Supported Electrical Grid Types

Lists the compatible electrical grid configurations (voltage, frequency, phases) for the inverter.

Notes on Connection Area

Permitted Cables and Cross-Sections

Specifies allowed cable types, materials, and sizes for AC and DC connections.

Connecting Aluminum Cables

Details special procedures for connecting aluminum cables due to their non-conducting oxide layer.

Aluminum Cable Connection Preparation

Outlines steps for cleaning and greasing aluminum cable ends for secure connection.

Notes on Grid Connection

Grid Monitoring Requirements

Emphasizes the importance of low resistance in leads for optimal grid monitoring.

AC Connection and Grounding

Provides instructions for grounding, cable looping, and ground conductor routing for AC connection.

Maximum AC Fuse Protection Ratings

Lists maximum AC fuse ratings for different inverter models to ensure safety.

External AC/DC Disconnect Requirements

Advises on the need for external disconnects in accessible installations for safety personnel.

Notes on DC Connection

Solar Module Selection and Voltage

Advises on selecting modules, checking open circuit voltage, and module grounding.

DC Connection Safety Precautions

Warns against grounding solar modules and improper DC cable routing to prevent damage.

Multi-MPPT Tracker String Connection

Details connecting multiple solar strings to the inverter's independent MPP trackers.

Single MPP Tracker Mode Configuration

Explains how to configure the inverter for single MPP tracker operation, including bridging.

Single String Connection Procedure

Describes connecting a single string to the inverter, including necessary bridging of inputs.

Multi-MPPT Connection for Larger Models

Details connecting multiple strings to the larger Fronius Primo 10.0-15.0 models.

Notes on Laying Data Communication Cables

Data Cable Installation Best Practices

Specifies rules for installing data communication cables, including conduits, openings, and routing.

Clipping the Inverter into the Wall Bracket

Inverter Mounting and Safety Lock

Details how to securely clip and lock the inverter onto the wall bracket, including the safety lock function.

Notes on Anti-Theft Device

Optional Anti-Theft Device Installation

Explains the installation procedure for the optional anti-theft device before mounting.

Securing the Anti-Theft Device with a Padlock

Describes fitting a padlock to the installed anti-theft device for security.

Notes on Software Updates

Procedure for Updating Inverter Software

Outlines the steps for updating the inverter software using a USB stick via the setup menu.

USB Stick as Data Logger and Software Updater

USB Stick Data Logging Functionality

Explains how the USB stick logs data and how it can be accessed in various file formats.

Data Files Created by the Data Logger

Lists the system, log, and CSV files generated by the data logger on the USB stick.

USB Stick Data Storage Capacity and Limits

Details storage capacity, file limits, and backup recommendations for USB sticks.

Inverter Buffer Memory for Data Logging

Explains the inverter's buffer memory for temporary data storage when the USB stick is removed.

Compatible USB Sticks and File Systems

Recommends compatible USB sticks and supported file systems for reliable operation.

Using USB Stick for Software Updates

Explains using the USB stick to transfer software updates to the inverter via the setup menu.

Removing the USB Stick

Safe USB Stick Removal Procedure

Details the correct procedure to remove the USB stick to prevent data loss or corruption.

Notes on Maintenance

General Maintenance and Screw Checks

Advises on checking screws for tightness annually for certain installation types.

Cleaning the Inverter and Display

Provides instructions for cleaning the inverter and display using a damp cloth.

Serial Number Sticker for Customer Use

Locating the Inverter Serial Number

Explains where to find the inverter's serial number on the rating plate.

Applying Serial Number Stickers

Describes how to use and apply the provided serial number stickers for easy identification.

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