- 6 -
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
L
ifting 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
I
nstallation .........................................................................................................................................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
