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001037AG
Characteristics of a photovoltaic generator......................................................................................37
Strings and arrays.................................................................................................................37
Description of the equipment..............................................................................................................38
Operating diagram (example) ...............................................................................................38
Mutual connection of multiple inverters ................................................................................39
Notes on the system sizing...................................................................................................39
Functionality and components of the equipment.............................................................................40
Communication connection diagrams...............................................................................................43
Communication interface ......................................................................................................43
Ethernet bus connection .......................................................................................................43
Topographic diagram of the equipment ................................................................................45
Safety devices.......................................................................................................................................47
Anti-Islanding ........................................................................................................................47
Ground fault of the photovoltaic panels ................................................................................47
String fuses ...........................................................................................................................47
Overvoltage surge arresters ................................................................................................47
Other safeguards ..................................................................................................................47
Lifting and transport........................................................................................................................ 48
General conditions ...............................................................................................................................48
Transport and handling .......................................................................................................48
Lifting.....................................................................................................................................48
Unpacking and checking ......................................................................................................48
Storage..................................................................................................................................49
Weight of the modules of the equipment..............................................................................49
Types of lifting .......................................................................................................................49
List of components supplied .................................................................................................50
Installation ......................................................................................................................................... 51
Installation warnings ...........................................................................................................................51
Installation planning.............................................................................................................................52
Sizing the ground cable(s) ....................................................................................................52
Choice of grid output connection type (AC side) ..................................................................53
Sizing the AC cable...............................................................................................................53
AC overcurrent protection ....................................................................................................54
sizing the configurable relay (ALARM and AUX)..................................................................54
String Fuse sizing (-S / -SC models) ....................................................................................55
Installation procedure for quick-fit connectors ......................................................................57
Installation site and position..................................................................................................59
Wireless signal environmental checks..................................................................................61
Installations above 2000 meters...........................................................................................62
Installations with a high level of humidity .............................................................................62
Mounting of the inverter on the bracket ............................................................................................63
Installing the ground cable(s) .............................................................................................................66
Grid output connection (AC side).......................................................................................................67
Connection to the AC terminal block ....................................................................................67