Contents
Safety rules 7
Explanation of safety notices 7
Safety 7
General 7
Environmental conditions 8
Qualified personnel 8
Noise emission values 8
EMC measures 8
Backup power 9
Data protection 9
Copyright 9
Protective earthing (PE) 10
General information 11
Fronius Primo GEN24 13
Device concept 13
Scope of supply 13
Intended use 14
Thermal concept 14
The various operating modes 16
Operating modes – Explanation of symbols 16
Operating mode – Inverter with battery 17
Operating mode – Inverter with battery and several Smart Meters 17
Operating mode - inverter with battery, AC-coupled to another inverter 18
Operating mode – Inverter with battery and backup power function 18
Operating mode – Inverter with battery, Ohmpilot and backup power function 18
Operating mode – Inverter with battery, further inverter and backup power function 19
Energy flow direction of the inverter 19
Operating states (only for systems with a battery) 20
Energy saving mode 21
General 21
Switch-off conditions 21
Switch-on conditions 21
Special case 21
Indication of energy saving mode 22
Suitable battery 23
BYD Battery-Box Premium 23
Protection of people and equipment 25
WSD (wired shutdown) 25
RCMU 25
Control elements and connections 26
Connection area 26
Connection area divider 27
Ground electrode terminal 27
DC disconnector 28
Data communication area 28
Internal schematic connection diagram of the IOs 29
Backup power variant - PV Point (OP) 31
General 33
PV Point (OP) 33
Explanation - PV Point (OP) 33
Backup power variant - Full Backup 35
General 37
Prerequisites for backup power mode 37
Transitioning from feeding energy into the grid to backup power mode 37
Transitioning from backup power mode to feeding energy into the grid 37
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