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000315DG
1- Introduction and general information
Safety and accident prevention .....................................................................................................35
Safety instructions and general information ....................................................................................35
Hazardous areas and operations .......................................................................................................36
Environmental conditions and risks......................................................................................36
Signs and Labels ..................................................................................................................36
Thermal hazard ....................................................................................................................37
Clothing and protective devices for staff...............................................................................37
Residual risks .......................................................................................................................................38
Table of residual risks ...........................................................................................................38
Lifting and transport........................................................................................................................39
General conditions...............................................................................................................................39
Transport and handling .......................................................................................................39
Lifting.....................................................................................................................................39
Unpacking and checking ......................................................................................................39
List of components supplied.................................................................................................40
Weight of the groups of device.............................................................................................41
Installation .........................................................................................................................................42
General conditions ..............................................................................................................................42
Environmental checks...........................................................................................................43
Installations above 2000 metres...........................................................................................43
Installation position................................................................................................................44
Wall mounting.......................................................................................................................................45
Opening the front cover ......................................................................................................................46
Operations preparatory to PV generator connection.......................................................................47
Checking the correct polarity of the strings ..........................................................................47
Checking of leakage to ground of the photovoltaic generator..............................................47
Choice of differential protection downstream of the inverter................................................47
Independent or parallel input channels configuration.....................................................................49
Channel configuration examples..........................................................................................50
Independent channel configuration (default configuration)..................................................51
Parallel channel configuration ..............................................................................................51
Input connection to PV generator (DC side) .....................................................................................53
Connection of inputs - Standard Models ..............................................................................53
Connection of inputs - Models with disconnect switch (-S)..................................................54
Installation procedure for quick fit connectors......................................................................56
Grid output connection (AC side).......................................................................................................58
Characteristics and sizing of the protective earthing cable ..................................................58
Load protection switch (AC disconnect switch)....................................................................58
Characteristics and sizing of the line cable ..........................................................................59
Connection to terminal block AC side...................................................................................59
Installation of the second protective earthing cable .............................................................60
Communication and control board ....................................................................................................61
Connections to the communication and control board...................................................................62
Remote control connection...................................................................................................62
Configurable Relay connection (ALARM).............................................................................63
Serial Connection Communication (RS485 PC) ..................................................................64
Monitoring and control systems ........................................................................................................65
Procedure for RS485 connection to a monitoring system....................................................65
Closing the front cover........................................................................................................................66