ABB UNO-2.0-I-OUTD, Product Manual

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1- Introduction and general information
Residual risks .......................................................................................................................................35
Table of residual risks ...........................................................................................................35
L
ifting and transport ........................................................................................................................36
General conditions ...............................................................................................................................36
Transport and handling .......................................................................................................36
Lifting .....................................................................................................................................36
Unpacking and checking ......................................................................................................36
List of supplied components .................................................................................................37
Equipment weight .................................................................................................................38
I
nstallation .........................................................................................................................................39
General conditions ..............................................................................................................................39
Environmental checks ...........................................................................................................40
Installations above 2000 metres ...........................................................................................40
Installation position ................................................................................................................41
Wall/Pole mounting ..............................................................................................................................42
Operations preparatory to PV generator connection .......................................................................43
Checking the correct polarity of the strings ..........................................................................43
Checking of leakage to ground of the photovoltaic generator ..............................................43
Requirements of the PV generator .......................................................................................43
Choice of differential protection downstream of the inverter ................................................43
Grounding configuration of the DC inputs ........................................................................................45
Input connection to the PV generator (DC side) ...............................................................................45
Installation procedure for quick fit connectors ......................................................................46
Grid output connection (AC side) .......................................................................................................48
Characteristics and sizing of the line cable ..........................................................................48
Load protection switch (AC disconnect switch) ....................................................................49
Connection to the AC side terminal board ............................................................................49
Main board .............................................................................................................................................50
Connections of the signals to the main board ..................................................................................51
Serial Connection Communication (RS485) .........................................................................51
Procedure for connection to a monitoring system ................................................................52
Configurable relay connection ..............................................................................................53
Remote control connection ...................................................................................................54
I
nstruments ........................................................................................................................................55
General conditions ..............................................................................................................................55
Display and keyboard ..........................................................................................................................56
Display fields and symbols description .................................................................................56
Description of keyboard and LED Panel...............................................................................57
O
peration ..........................................................................................................................................58
General conditions ..............................................................................................................................58
Monitoring and data transmission .....................................................................................................59
User interface mode ..............................................................................................................59
Types of data available .........................................................................................................59
Measurement tolerance ........................................................................................................59
Standard grid setting of the country and language display ............................................................60
Grid standard of the country and display language saving ..................................................61
Commissioning .....................................................................................................................................62
Display access and settings .................................................................................................64