Fronius Symo GEN24 10.0, Operating Instructions Manual, Page: 3 / 120

Contents
Safety rules 6
Explanation of safety notices 6
Safety 6
General 6
Environmental conditions 7
Qualified personnel 7
Noise emission values 7
EMC measures 7
Backup power 8
Data protection 8
Copyright 8
General information 11
Fronius Symo GEN24 13
Device concept 13
Scope of supply 13
Intended use 14
Thermal concept 14
The various operating modes 15
Operating modes – Explanation of symbols 15
Operating mode – Inverter with battery 16
Operating mode – Inverter with battery and several Smart Meters 16
Operating mode – Inverter with battery and backup power function 16
Operating mode – Inverter with battery, Ohmpilot and backup power function 17
Operating mode – Inverter with battery, further inverter and backup power function 17
Energy flow direction of the inverter 18
Operating states (only for systems with a battery) 18
Energy saving mode 19
General 19
Switch-off conditions 19
Switch-on conditions 19
Special case 19
Indication of energy saving mode 20
Suitable battery 21
BYD Battery-Box Premium 21
Protection of people and equipment 22
WSD (wired shutdown) 22
RCMU 22
Control elements and connections 23
Connection area 23
Connection area divider 24
Ground electrode terminal 24
DC disconnector 25
Data communication area 25
Internal schematic connection diagram of the IOs 26
Backup power variant - PV Point (OP) 29
General 31
PV Point (OP) 31
Explanation - PV Point (OP) 31
Backup power variant - Full Backup 33
General 35
Prerequisites for backup power mode 35
Transitioning from feeding energy into the grid to backup power mode 35
Transitioning from backup power mode to feeding energy into the grid 35
Backup power and energy saving mode 35
Cabling variants including emergency power circuits and 3-pin separation e.g. Austria or Australia 36
3
EN