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Fronius Manuals
Inverter
CL 48.0
Operating instructions manual
Fronius CL 48.0 Operating Instructions Manual
Inverter for grid-connected photovoltaic systems
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Safety Instructions
Electrical Installations
Safety Precautions in Normal-Operation
Table of Contents
Protection of Persons and Equipment
Safety
Galvanic Isolation
Monitoring the Grid
Information about Field Adjustable Trip Points
FCC Compliance
Ground Fault Detector / Interrupter
Standards and Regulations
Product Listings and Compliance
Warning Notices Affixed to the Device
Use in Accordance with "Intended Purpose
Field of Application
Photovoltaic System Stipulations
Operating Principle
Fully Automatic Operational Management
The MIXTM Concept
Reliability
Power Derating
Forced Ventilation
The Fronius CL Unit in the PV System
General
Tasks
Converting DC into AC Current
Display Function and Data Communication
Data Communications Components
Fronius Com Card
Fronius Modbus Card
Fronius Datalogger
Fronius Sensor Card / Box
Fronius Interface Card and Fronius Interface Card Easy
Fronius String Control 250/25
Inverter Product Description
Inverter Product Description (Doors Closed)
Item Description
Inverter Product Description (Doors Opened)
Connection Area Product Description
Terminals in the Area of the Isolated Relay Contact
Installation and Connection Accessories
Choosing the Location
Choosing the Location in General
Criteria for Location Selection
Unsuitable Locations
Transport
Crane Transport Using Forks
Transport Using a Forklift or Lift Truck
Manual Transport
Removing Power Stage Sets
Opening the Fronius CL
Requirements for Installing the Fronius CL
Additional External AC And/Or DC Disconnect
Using the Mounting Base
Use of Aluminum Wires
Inverter Cabling
Side Cabling
Bottom Cabling
Fronius CL Installation
Safety
Preparing AC and DC Wires
Positioning the Mounting Base
Installation of Several Inverters
Installing the Mounting Base
Preparing the Fronius CL
Positioning the Fronius CL on the Mounting Base
Positioning the Fronius CL on the Mounting Base Using a Crane
Positioning the Fronius CL on the Mounting Base Using a Crane and Forks, a Forklift or a Lift Truck
Manually Positioning the Fronius CL on the Mounting Base
Securing the Fronius CL to the Mounting Base
Cross Section of AC and DC Wires
Maximum Wire Cross Section
Minimum Cross Section of AC Wires
Minimum Cross Section of DC Wires
Cable Lugs for AC and DC Wires
Connecting the Fronius CL to the Public Grid (AC)
Overview of Available Power Grids
Monitoring the Grid
AC Terminals
Possible Connections to the Ground Terminal
Safety
Connecting Aluminium Wires
Connecting the Fronius CL to the Public Grid (AC)
Connection Requirements
AC Connection Examples
Recommendation for the AC-Side Overcurrent Protection
Connecting DC Wires to the Fronius CL
General Information about Solar Modules
Safety
DC Terminals
Connecting Aluminium Wires
Connecting DC Wires
DC Connection Examples
Fronius CL Solar Module Ground
General
Solar Module Ground Via Fuse
Safety
Solar Module Ground at Negative Pole
Solar Module Ground at Positive Pole - Inserting Fuse
Inserting Power Stage Sets
Overview
General
Slot Arrangement
Dip Switches for Identifying Power Stage Set Racks
Dip Switch Settings for each Slot
Inserting Power Stage Sets
Application Example
Closing the Fronius CL
Start-Up Operation
Requirements for Start-Up Operation
Factory Pre-Set Configuration
Selecting the Public Grid
Startup Phase During Startup Operation
Setting Inverter for Solar Module Ground at the Positive Pole
Selecting the Interface Protocol and Setting the Inverter Baud Rate
General
Entering the Access Code
Selecting the Interface Protocol for Communication with Other Data Communication Components
Setting the Inverter Baud Rate
Setting the Relay Contact Functions
General
Possible Functions of Relay Contacts
Entering the Access Code
Setting the Relay Contact Functions
Inserting Option Cards
Safety
Opening the Fronius CL
Connecting Option Cards, Laying Data Communication Wires
Inserting Option Cards
Closing the Fronius CL
Solar Net and Data Communication
Solar Net
Data Communication
Application Example
Keys and Symbols
Display
Operating Status LED
Startup Phase and Grid Feed-In Mode
Startup Phase
Test Procedure
Operation of Feeding Energy into the Grid
Activating Display Backlight
Automatic Deactivation of Display Illumination / Switching to the 'Now' Display Mode
Navigation in the Menu Level
Accessing Menu Levels
Selecting a Display Mode
Display Modes
Overview of Display Values
Display Values in the 'Now' Display Mode
Selecting the 'Now' Display Mode
Options
Display Values in the 'Day / Year / Total' Display Modes
General
Selecting 'Day / Year / Total' Display Modes
Display Values in the 'Day / Year / Total' Display Modes
Options
The Setup Menu
Default Settings
Accessing the Setup Menu
Scrolling through Menu Items
Menu Items in the Setup Menu
Setting and Displaying Menu Items
General Menu Item Settings
Exiting a Menu Item
Setting Standby Mode - Manual Shutoff of Feeding Energy into the Grid
Restoring the Grid Feed
Setting the Display Contrast
Setting the Display Illumination
Setting the Currency and Rate
Setting the CO2 Reduction Factor
Setting the Offset Value for Total Energy Display and Measurement Correction Value
Setting the Inverter Number
Displaying and Setting Parameters in the 'Datcom' Menu Item
Setting the Time and Date
Displaying the Status of the Fans
Displaying the Status of the Power Stage Sets
Displaying the Version
Setup Lock Function
General
Activating/Deactivating the "Setup Lock" Function
Status Diagnosis and Troubleshooting
Displaying Status Codes
Normal Operation Status Codes
Total Failure
Power Stage Set Error Status Codes
Class 1 Status Codes
Class 2 Status Codes
Class 3 Status Codes
Class 4 Status Codes
Class 5 Status Codes
Customer Service
Maintenance
Safety
General
Opening the Fronius CL for Service/Maintenance
Operation in Dusty Environments
Replacing Solar Module Ground Fuses
Safety
Opening the Fronius CL
Replacing Solar Module Ground Fuses at the Positive Pole
Replacing Solar Module Ground Fuses at the Negative Pole
Closing the Fronius CL
Replacing Power Stage Sets
Safety
Opening the Fronius CL
Removing Defective Power Stage Sets
Sticker for Replacing Power Stage Sets
Inserting Replacement Power Stage Sets
Closing the Fronius CL
Technical Data
Fronius CL 33.3 Delta
Fronius CL 36.0 Wye277
Fronius CL 44.4 Delta
Fronius CL 48.0 Wye277
Fronius CL 55.5 Delta
Fronius CL 60.0 Wye277
Explanation of Footnotes
Field Adjustable Trip Points
Relevant Standards and Directives
Grid Failure
Warranty and Disposal
FRONIUS USA Limited 5-Year Warranty
Policy and Procedure for Warranty Returns and Repairs
Disposal of Obsolete Equipment - Recycling
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/ Battery Charging Systems / Welding Technology / Solar Electronics
Fronius CL 36.0 / 48.0 / 60.0
Fronius CL 33.3 / 44.4 / 55.5
42,0426,0083,EA 008-11022014
WYE 277
DELTA
Operating Instructions
Inverter for grid-connected
photovoltaic systems
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Summarization of Contents
Safety and Warnings
General Safety Instructions
General safety guidelines for inverter operation and maintenance.
Explanation of Safety Warnings
Definitions of danger, warning, caution, and important notes for safe operation.
Electrical Installations Safety
Safety regulations for electrical installations according to national codes.
Product Description and Usage Guidelines
Protection of Persons and Equipment
How the inverter design ensures operator and equipment safety.
Use in accordance with "intended purpose"
Defines proper and improper uses of the inverter.
Operating Principle
Explains the core functionality and operational logic of the inverter.
Installation and Connection
Inverter Product Description (doors closed)
Identification of external parts when the inverter doors are closed.
Connection Area Product Description
Detailed labeling of terminals and connection points.
Choosing the Location
General guidance on selecting an appropriate installation site for the inverter.
Requirements for Installing the Fronius CL
Essential prerequisites and guidelines before inverter installation.
Fronius CL Installation
Comprehensive guide to installing the inverter.
Connecting the Fronius CL to the Public Grid (AC)
Detailed procedures for connecting the inverter to the AC power grid.
Connecting DC Wires to the Fronius CL
Procedures for connecting DC wiring from solar modules.
Operation and Configuration
Start-up Operation
Guide to the initial startup sequence and grid feed-in.
Selecting the Public Grid
Process for configuring the inverter to the specific public grid.
The Setup Menu
Overview of customizable parameters and settings.
Setup Lock function
Security feature to prevent unauthorized configuration changes.
Troubleshooting
Status Diagnosis and Troubleshooting
Comprehensive guide to diagnosing and resolving inverter issues.
Class 1 Status Codes
Troubleshooting codes related to grid disturbances.
Class 3 Status Codes
Troubleshooting codes indicating temporary operational interruptions.
Class 4 Status Codes
Troubleshooting codes indicating internal hardware or communication errors.
Class 5 Status Codes
Troubleshooting codes for less critical issues or configuration errors.
Maintenance
Opening the Fronius CL for Service/Maintenance
Procedure for safely opening the inverter for servicing.
Replacing Power Stage Sets
Detailed instructions for replacing faulty power stage modules.
Operation in Dusty Environments
Procedures for cleaning and maintaining the inverter in dusty conditions.
Technical Data and Compliance
Technical Data
Comprehensive specifications for Fronius CL inverters.
Relevant Standards and Directives
Compliance information with industry standards.
Warranty and Disposal
Details on product warranty and responsible disposal methods.
Table of Contents
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