Fronius Primo GEN24 8.0 Plus - Circuit Diagrams

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Circuit diagrams

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Main Page

Table of Contents3
Safety Rules8
Explanation of Safety Notices8
Safety8
General8
Environmental Conditions9
Qualified Personnel9
Noise Emission Values9
EMC Measures10
Backup Power10
Data Protection11
Copyright11
Protective Earthing (PE)11
General Information13
Fronius Primo GEN2415
Device Concept15
Function Overview15
Fronius up16
Scope of Supply16
Intended Use16
Thermal Concept17
Fronius Solar.web17
Local Communication18
The Various Operating Modes19
Operating Modes - Explanation of Symbols19
Operating Mode - Inverter with Battery20
Operating Mode - Inverter with Battery and Several Smart Meters20
Operating Mode - Inverter with Battery, AC-Coupled to Another Inverter20
Operating Mode - Inverter with Battery and Backup Power Function21
Operating Mode - Inverter with Battery, Ohmpilot and Backup Power Function21
Operating Mode - Inverter with Battery, Further Inverter and Backup Power Function21
Energy Flow Direction of the Inverter22
Operating States (Only for Systems with a Battery)22
Energy Saving Mode24
General24
Switch-Off Conditions24
Switch-On Conditions24
Special Case24
Indication of Energy Saving Mode25
Suitable Batteries26
General26
Limitations in Operation26
BYD Battery-Box Premium26
Lg Resu Flex27
Manual System Start29
Requirements29
Notification of System Shutdown29
Manual Battery Start after System Shutdown29
Starting Backup Power Operation after a System Shutdown29
Protection of People and Equipment30
Central Grid and System Protection30
WSD (Wired Shutdown)30
Rcmu30
Safe State30
Surge Protective Device30
Control Elements and Connections31
Connection Area31
Connection Area Divider32
Ground Electrode Terminal32
DC Disconnector33
Data Communication Area33
Button Functions and LED Status Indicator35
Internal Schematic Connection Diagram of the Ios36
Backup Power Variant - PV Point (OP)39
General41
PV Point (OP)41
Explanation - PV Point (OP)41
Backup Power Variant - Full Backup43
General45
Prerequisites for Backup Power Mode45
Transitioning from Feeding Energy into the Grid to Backup Power Mode45
Transitioning from Backup Power Mode to Feeding Energy into the Grid45
Backup Power and Energy Saving Mode46
Cabling Variants Including Backup Power Circuits with 1-Pin Separation E.g. Austria or aus47
Functions47
Transitioning from Feeding Energy into the Grid to Backup Power Mode47
Transitioning from Backup Power Mode to Feeding Energy into the Grid47
All-Pin Separation Cabling Variant E.g. Germany, France, Spain, UK48
Functions48
Transitioning from Feeding Energy into the Grid to Backup Power Mode48
Transitioning from Backup Power Mode to Feeding Energy into the Grid49
All-Pin Separation Cabling Variant, Italy50
Functions50
Transitioning from Feeding Energy into the Grid to Backup Power Mode50
Transitioning from Backup Power Mode to Feeding Energy into the Grid51
Installation53
General55
Quick-Lock System55
Warning Notices on the Device55
System Component Compatibility57
Installation Location and Position58
Choosing the Location of the Inverter58
Choosing the Location of Third-Party Batteries59
Installation Position of Inverter60
Install the Mounting Bracket and Hang up the Inverter62
Selecting the Fixing Material62
Properties of the Mounting Bracket62
Do Not Deform the Mounting Bracket62
Fitting the Mounting Bracket to a Wall62
Installing the Mounting Bracket on a Mast or Beam63
Attaching the Mounting Bracket to Mounting Rails64
Attaching the Inverter to the Mounting Bracket64
Prerequisites for Connecting the Inverter65
Permissible Cables for the Electrical Connection65
Permitted Cables for the Data Communication Connection66
Cross Section of the AC Cable66
Cross Section of the DC Cable67
Maximum Alternating Current Fuse Protection67
Connecting the Inverter to the Public Grid (AC Side)69
Safety69
Connecting Solar Module Strings to the Inverter72
General Comments Regarding PV Modules72
Safety72
Module Array - General Information73
Connecting the Solar Module Strings to the Inverter74
Connecting the Battery to the Inverter78
Safety78
Connecting the Battery on the DC Side78
Connecting the LG RESU FLEX Ground Conductor82
Connecting Backup Power - PV Point (OP)83
Safety83
Installation83
Connecting Backup Power - Full Backup88
Safety88
All-Pin Separation Cabling Variant E.g. Germany, France, Spain89
All-Pin Separation Cabling Variant, E.g. UK90
All-Pin Separation Cabling Variant, E.g. Italy91
Testing Backup Power Mode92
Connecting the Data Communication Cable93
Modbus Participants93
Routing Data Communication Cables94
Connecting the Battery Communication Cable96
Terminating Resistors96
Installing the WSD (Wired Shutdown)98
Closing and Commissioning the Inverter99
Closing the Inverter's Connection Area/Housing Cover, and Commissioning99
Starting the Inverter for the First Time99
Installation with the App100
Installation Using the Web Browser100
Switching off Current Supply and Restarting the Inverter102
Energising the Inverter and Switching It on Again102
Settings - User Interface of the Inverter103
User Settings105
User Login105
Selecting the Language105
Device Configuration106
Components106
Functions Andi/Os107
Demand Response Modes (DRM)108
Inverter108
Energy Management111
Examples - Time-Dependent Battery Control112
Allowed Battery Control Rules114
PV Power Reduction116
Load Management116
System118
General118
Update118
Setup Wizard118
Restoring the Factory Settings118
Event Log118
Information118
Licence Manager119
Support120
Communication121
Network121
Modbus122
Remote Control123
Fronius Solar API123
Safety and Grid Requirements125
Country Setup125
Feed-In Limitation125
Dynamic Power Regulation with Several Inverters127
Connection Diagram - 4 Relay130
I/O Power Management131
I/O Power Management Settings - 4 Relays131
Connection Diagram - 3 Relay132
I/O Power Management Settings - 3 Relays133
Connection Diagram - 2 Relay134
I/O Power Management Settings - 2 Relays135
Connection Diagram - 1 Relay136
Autotest(Cei 0-21)138
Options139
Surge Protective Device (SPD)141
General141
Safety141
Scope of Supply141
Energising the Inverter142
Installation143
Commissioning the Inverter148
DC Connector Kit GEN24150
General150
General Comments Regarding PV Modules150
Safety150
Scope of Supply151
Energising the Inverter151
Installation152
Commissioning the Inverter156
Appendix157
Care, Maintenance and Disposal159
General159
Cleaning159
Maintenance159
Safety159
Operation in Dusty Environments159
Disposal160
Guarantee Provisions162
Fronius Manufacturer's Warranty162
Components for Automatic Full Backup Backup Power Changeover163
Status Codes and Remedy165
Display165
Status Codes165
Technical Data166
Fronius Primo GEN24 8.0 / 8.0 Plus166
Wlan172
Explanation of Footnotes173
Integrated DC Disconnector174
Circuit Diagrams175
Circuit Diagram - PV Point (OP)177
Circuit Diagram177
Circuit Diagram - PV Point (OP) Australia178
Circuit Diagram178
Fronius Primo GEN24 and BYD Battery-Box Premium HV179
Circuit Diagram179
Fronius Primo GEN24 with Two BYD Battery-Box Premium HV Connected in Parallel180
Circuit Diagram180
Fronius Primo GEN24 with Three BYD Battery-Box Premium HV Connected in Parallel181
Circuit Diagram181
Fronius Primo GEN24 and LG RESU FLEX182
Circuit Diagram182
Automatic Switch to Backup Power 1-Pin Double Separation - E.g. Austria183
Circuit Diagram183
Automatic Switch to Backup Power 1-Pin Single Separation - E.g. Australia184
Circuit Diagram184
Automatic Switch to Backup Power 2-Pin Double Separation - E.g. Germany185
Circuit Diagram185
Automatic Switch to Backup Power 2-Pin Single Separation - E.g. France, Spain186
Circuit Diagram186
Automatic Switch to Backup Power 2-Pin Double Separation - E.g. UK187
Circuit Diagram187
Automatic Switch to Backup Power 2-Pin Double Separation with Ext. Grid and System Protec188
Circuit Diagram188
Fronius Primo GEN24 with Enwitec Box189
Circuit Diagram189
Wiring Diagram - Surge Protective Device SPD190
Circuit Diagram190
Dimensions of the Inverter191
Fronius Primo GEN24 8 - 10 Kw193

Fronius Primo GEN24 8.0 Plus - Circuit Diagrams

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