
- 5 -
000912AG
Communication connection diagrams...............................................................................................38
Communication interface ......................................................................................................38
Ethernet bus connection .......................................................................................................38
Topographic diagram of the equipment ................................................................................40
Safety devices.......................................................................................................................................42
Anti-Islanding ........................................................................................................................42
Ground fault of the photovoltaic panels ................................................................................42
Overvoltage surge arresters (-SX/SX2 models only) ...........................................................42
Other safeguards ..................................................................................................................42
Lifting and transport........................................................................................................................ 43
General conditions ...............................................................................................................................43
Transport and handling .......................................................................................................43
Lifting.....................................................................................................................................43
Unpacking and checking ......................................................................................................43
Storage..................................................................................................................................44
Weight of the modules of the equipment..............................................................................44
Types of lifting .......................................................................................................................45
List of components supplied .................................................................................................48
Kit of recommended spare parts...........................................................................................49
Installation ......................................................................................................................................... 50
General conditions ...............................................................................................................................50
Installation site and position..................................................................................................51
Wireless signal environmental checks..................................................................................54
Installations above 2000 metres...........................................................................................55
Installations with a high level of humidity..............................................................................55
Installations of IP65 protection covers for wiring box openings (long term installation).......56
Mounting with a support bracket........................................................................................................57
Routing the cable to the inverter ........................................................................................................68
Grid output connection (AC side).......................................................................................................69
Characteristics and sizing of the protective grounding cable ...............................................69
Characteristics and sizing of the AC cable ...........................................................................70
Load protection switch (AC disconnect switch) ....................................................................70
Selection of differential protection downstream of the inverter ............................................71
AC output cables connection ................................................................................................72
Operations preliminary to the connection of the PV generator......................................................75
Checking of leakage to ground of the photovoltaic generator..............................................75
Checking of string voltage.....................................................................................................75
Checking the correct polarity of the strings ..........................................................................75
Input connection to PV generator (DC side) .....................................................................................76
Installation procedure for quick-fit connectors ......................................................................78
Quick fit connector disconnection.........................................................................................80
Communication and control board ....................................................................................................81
Connections to the communication and control board .........................................................82
Ethernet connection ..............................................................................................................84
Serial communication connection (RS485 - Slave mode)....................................................86
Serial communication connection (RS485 - Master mode)..................................................90
Remote control connection ...................................................................................................91
Demand Response Mode 0 (AS/NZS 4777.2) .....................................................................91
Configurable Relay connection (ALARM and AUX) .............................................................92