
- 7 -
000856AG
1 - Introduction and general information
Grid output connection (AC side).......................................................................................................60
Characteristics and sizing of the protective earth cable.......................................................60
Installation of the second protective earthing cable .............................................................61
Residual current protection device .......................................................................................61
Load protection switch (AC disconnect switch) ....................................................................61
Characteristics and sizing of the line cable ..........................................................................62
Connection to terminal block AC side...................................................................................63
Operations preliminary to the connection of the PV generator......................................................66
Checking of leakage to ground of the photovoltaic generator..............................................66
Checking of strings voltage...................................................................................................66
Checking the correct polarity of the strings .........................................................................66
Independent or parallel input channels configuration.....................................................................67
Channel configuration examples ..........................................................................................68
Independent channel configuration (default configuration) ..................................................69
Parallel channel configuration ..............................................................................................69
Input connection to PV generator (DC side) .....................................................................................70
Connection of inputs on the Standard and -S models..........................................................71
Connection of inputs on the -SX / -SX2 models ...................................................................72
Installation procedure for quick-fit connectors ......................................................................73
String protection fuses (-SX / -SX2 models only) .............................................................................77
Sizing of fuses.......................................................................................................................77
Communication and control board ....................................................................................................79
Connections to the communication and control board...................................................................80
Ethernet connection ..............................................................................................................81
Serial Communication connection - Slave (RS485-1, RS485-2) .........................................83
Serial Communication connection - Slave/Master (RS485-MAIN) ......................................86
Remote control connection ...................................................................................................87
Configurable Relay connection (ALARM and AUX) .............................................................87
Front cover closure ..............................................................................................................................88
Instruments........................................................................................................................................ 89
General conditions ..............................................................................................................................89
Description of the LED function .........................................................................................................90
LED isolation fault .................................................................................................................90
User interface........................................................................................................................................91
Measurement tolerance ........................................................................................................91
Operation.......................................................................................................................................... 92
General conditions ..............................................................................................................................92
Commissioning.....................................................................................................................................93
Commissioning via Installer for Solar Inverters mobile APP ................................................94
Commissioning Via Web UI - Wireless connection ..............................................................98
LED behaviour ....................................................................................................................................106
Description of the Web User Interface.............................................................................................108
Access to the Web User Interface ......................................................................................108
Web User Interface menu structure.................................................................................... 111
MAIN section.......................................................................................................................112
SETTING section ................................................................................................................ 113
Inverter Log ........................................................................................................................117