Fronius Primo GEN24 Series User Manual

Cable diameter of the DC cable 69
Maximum alternating current fuse protection 69
Connecting the inverter to the public grid (AC side) 71
Safety 71
Connecting the inverter to the public grid (AC side) 71
Connecting solar module strings to the inverter 74
General comments regarding PV modules 74
Safety 74
Module array - general information 75
Module array configuration 3 ‑ 6 kW 75
Connecting the solar module strings to the inverter 76
Connecting the battery to the inverter 80
Safety 80
Connecting the battery on the DC side 80
Connecting the LG FLEX ground conductor 84
Connecting backup power - PV Point (OP) 85
Safety 85
Installation 85
Testing backup power mode 89
Connecting backup power - Full Backup 90
Safety 90
Automatic switch to backup power 1-pin separation, e.g. Austria or Australia 90
Automatic switch to backup power 2-pin separation, e.g. Germany, France, UK, Spain 91
Automatic switch to backup power 2-pin double separation with ext. grid and system pro-
tection - e.g. Italy
92
Manual switch to backup power 1-pin separation, e.g. Australia / 2-pin separation, e.g. Ger-
many
92
Testing backup power mode 94
Connecting the data communication cable 95
Modbus participants 95
Routing data communication cables 96
Connecting the battery communication cable 98
Terminating resistors 98
Installing the WSD (wired shutdown) 100
Closing and commissioning the inverter 101
Closing the inverter's connection area/housing cover, and commissioning 101
Starting the inverter for the first time 101
Installation with the app 102
Installation using the web browser 102
Switching off current supply and restarting the inverter 104
De-energising the inverter and switching it on again 104
Settings - user interface of the inverter 105
User settings 107
User login 107
Selecting the language 107
Device configuration 108
Components 108
Functions andI/Os 109
Demand Response Modes (DRM) 110
Inverter 110
Energy management 113
Maximum permitted battery charging from the public grid 113
Energy management 113
Examples - Time-dependent battery control 114
Allowed battery control rules 116
PV power reduction 118
Load management 118
System 120
General 120
Update 120
5

Fronius Primo GEN24 Series Specifications

General

Type	Hybrid Inverter
THD	< 3 %
Number of MPP trackers	2
Max. efficiency	98.1 %
Protection class	IP66
DC isolation	Yes
AC Output Power	3.0 kW to 10.0 kW
Max. apparent AC power	3.0 kVA to 10.0 kVA
Max. output current (at grid voltage)	13.0 A to 43.5 A
AC nominal voltage	230 V
Number of DC connections	2
Operating Temperature Range	-25°C to +60°C