Fronius Primo GEN24 3.0 - Backup Power Switching Circuit Diagrams

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Automatic switch to backup power 1-pin double

separation - e.g. Austria

Circuit Diagram

179

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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
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 Inverter21
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 Function22
Energy Flow Direction of the Inverter22
Operating States (Only for Systems with a Battery)23
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
Protection of People and Equipment28
Central Grid and System Protection28
WSD (Wired Shutdown)28
Rcmu28
Surge Protective Device28
Control Elements and Connections29
Connection Area29
Connection Area Divider30
Ground Electrode Terminal30
DC Disconnector31
Data Communication Area31
Internal Schematic Connection Diagram of the Ios32
Backup Power Variant - PV Point (OP)35
General37
PV Point (OP)37
Explanation - PV Point (OP)37
Backup Power Variant - Full Backup39
General41
Prerequisites for Backup Power Mode41
Transitioning from Feeding Energy into the Grid to Backup Power Mode41
Transitioning from Backup Power Mode to Feeding Energy into the Grid41
Backup Power and Energy Saving Mode42
Cabling Variants Including Backup Power Circuits with 1-Pin Separation E.g. Austria or aus43
Functions43
Transitioning from Feeding Energy into the Grid to Backup Power Mode43
Transitioning from Backup Power Mode to Feeding Energy into the Grid43
All-Pin Separation Cabling Variant, E.g. Germany, France, Spain, UK44
Functions44
Transitioning from Feeding Energy into the Grid to Backup Power Mode44
Transitioning from Backup Power Mode to Feeding Energy into the Grid45
All-Pin Split Separation Cabling Variant (Italy)46
Functions46
Transitioning from Feeding Energy into the Grid to Backup Power Mode46
Transitioning from Backup Power Mode to Feeding Energy into the Grid47
Installation49
General51
Quick-Lock System51
Warning Notices on the Device51
Installation Location and Position54
Choosing the Location of the Inverter54
Choosing the Location of Third-Party Batteries55
Explanation of Symbols for the Installation Position56
Install the Mounting Bracket and Hang up the Inverter58
Selecting the Fixing Material58
Properties of the Mounting Bracket58
Do Not Deform the Mounting Bracket58
Fitting the Mounting Bracket to a Wall58
Installing the Mounting Bracket on a Mast or Beam59
Attaching the Mounting Bracket to Mounting Rails60
Attaching the Inverter to the Mounting Bracket60
Prerequisites for Connecting the Inverter61
Permitted Cables61
Permitted Cables for the Data Communication Area62
Cross Section of the AC Cable62
Cross Section of the DC Cable63
Maximum Alternating Current Fuse Protection63
Connecting the Inverter to the Public Grid (AC Side)65
Safety65
Connecting Solar Module Strings to the Inverter68
General Comments Regarding Solar Modules68
Safety68
PV Generator - General Information69
PV Generator Configuration 3 - 6 Kw69
Connecting the Solar Module Strings to the Inverter70
Connecting the Battery to the Inverter74
Safety74
Connecting the Battery on the DC Side74
Connecting Backup Power - PV Point (OP)79
Safety79
Installation79
Connecting Backup Power - Full Backup84
Safety84
All-Pin Separation Cabling Variant E.g. Germany, France, Spain85
All-Pin Separation Cabling Variant, E.g. UK86
All-Pin Separation Cabling Variant, E.g. Italy87
Testing Backup Power Mode88
Connecting the Data Communication Cable89
Modbus Participants89
Routing Data Communication Cables90
Connecting the Battery Communication Cables92
Terminating Resistors92
Installing the WSD (Wired Shutdown)94
Closing and Commissioning the Inverter95
Closing the Inverter's Connection Area/Housing Cover, and Commissioning95
Starting the Inverter for the First Time95
Button Functions and LED Status Indicator96
Installation with the App97
Installation Using the Web Browser98
Switching off Current Supply and Restarting the Inverter100
Energising the Inverter and Switching It on Again100
Settings - User Interface of the Inverter101
User Settings103
User Login103
Selecting the Language103
Device Configuration104
Components104
Functions Andi/Os105
Demand Response Modes (DRM)106
Inverter106
Energy Management110
PV Power Reduction110
Load Management111
System112
General112
Update112
Setup Wizard112
Restoring the Factory Settings112
Event Log112
Information112
Licence Manager113
Support114
Communication115
Network115
Modbus116
Fronius Solar API117
Safety and Grid Requirements118
Country Setup118
Feed-In Limitation118
Dynamic Power Regulation with Several Inverters119
Connection Diagram - 4 Relay123
I/O Power Management124
I/O Power Management Settings - 4 Relays124
Connection Diagram - 3 Relay125
I/O Power Management Settings - 3 Relays126
Connection Diagram - 2 Relay127
I/O Power Management Settings - 2 Relays128
Connection Diagram - 1 Relay129
I/O Power Management Settings - 1 Relay130
Autotest(Cei 0-21)131
Options133
Surge Protective Device (SPD)135
General135
Scope of Supply135
Energising the Inverter135
Installation136
Commissioning the Inverter142
Appendix145
Care, Maintenance and Disposal147
General147
Cleaning147
Maintenance147
Safety147
Operation in Dusty Environments147
Disposal148
Guarantee Provisions150
Fronius Manufacturer's Warranty150
Components for Automatic Full Backup Backup Power Changeover151
Status Codes and Remedy153
Display153
Status Codes153
Technical Data154
Fronius Primo GEN24 3.0 / 3.0 Plus154
Fronius Primo GEN24 3.6 / 3.6 Plus156
Fronius Primo GEN24 4.0 / 4.0 Plus159
Fronius Primo GEN24 4.6 / 4.6 Plus162
Fronius Primo GEN24 5.0 / 5.0 Plus164
Fronius Primo GEN24 6.0 / 6.0 Plus167
Explanation of Footnotes170
Integrated DC Disconnector171
Circuit Diagrams173
Circuit Diagram - PV Point (OP)175
Circuit Diagram175
Fronius Primo GEN24 and BYD Battery-Box Premium HV176
Circuit Diagram176
Fronius Primo GEN24 with Two BYD Battery-Box Premium HV Connected in Parallel177
Circuit Diagram177
Fronius Primo GEN24 with Three BYD Battery-Box Premium HV Connected in Parallel178
Circuit Diagram178
Automatic Switch to Backup Power 1-Pin Double Separation - E.g. Austria179
Circuit Diagram179
Automatic Switch to Backup Power 1-Pin Single Separation - E.g. Australia180
Circuit Diagram180
Automatic Switch to Backup Power 2-Pin Double Separation - E.g. Germany181
Circuit Diagram181
Automatic Switch to Backup Power 2-Pin Single Separation - E.g. France, Spain182
Circuit Diagram182
Automatic Switch to Backup Power 2-Pin Double Separation - E.g. UK183
Circuit Diagram183
Automatic Switch to Backup Power 2-Pin Double Separation with Ext. Grid and System Protec184
Circuit Diagram184
Fronius Primo GEN24 with Enwitec Box185
Circuit Diagram185
Wiring Diagram - Surge Protective Device SPD186
Circuit Diagram186

Fronius Primo GEN24 3.0 - Backup Power Switching Circuit Diagrams

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