Contents
Safety rules 8
Explanation of safety notices 8
Safety 8
General 8
Environmental conditions 9
Qualified personnel 9
Noise emission values 9
EMC measures 10
Backup power 10
Data protection 11
Copyright 11
Protective earthing (PE) 11
General information 13
Fronius Primo GEN24 15
Device concept 15
Function overview 15
Fronius UP 16
Scope of supply 16
Intended use 16
Thermal concept 17
Fronius Solar.web 17
The various operating modes 19
Operating modes – Explanation of symbols 19
Operating mode – Inverter with battery 20
Operating mode – Inverter with battery and several Smart Meters 20
Operating mode - inverter with battery, AC-coupled to another inverter 21
Operating mode – Inverter with battery and backup power function 21
Operating mode – Inverter with battery, Ohmpilot and backup power function 21
Operating mode – Inverter with battery, further inverter and backup power function 22
Energy flow direction of the inverter 22
Operating states (only for systems with a battery) 23
Energy saving mode 24
General 24
Switch-off conditions 24
Switch-on conditions 24
Special case 24
Indication of energy saving mode 25
Suitable batteries 26
General 26
Limitations in operation 26
BYD Battery-Box Premium 26
Protection of people and equipment 28
Central grid and system protection 28
WSD (wired shutdown) 28
RCMU 28
Surge protective device 28
Control elements and connections 29
Connection area 29
Connection area divider 30
Ground electrode terminal 30
DC disconnector 31
Data communication area 31
Internal schematic connection diagram of the IOs 32
Backup power variant - PV Point (OP) 35
General 37
PV Point (OP) 37
3
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