ABB UNO-DM-3.3-TL-PLUS Product Manual page 6

3
. Safety and accident prevention .................................................................................................. 45
Safety instructions and general information ....................................................................................45
Hazardous areas and operations .......................................................................................................46
Environmental conditions and risks ......................................................................................46
Signs and labels ....................................................................................................................46
Thermal and electrical hazard ..............................................................................................47
Clothing and protection of personnel ....................................................................................47
Residual risks .......................................................................................................................................48
Table: residual risks...............................................................................................................48
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. Lifting and transport .................................................................................................................... 49
General conditions ..............................................................................................................................49
Transport and handling ........................................................................................................49
Lifting .....................................................................................................................................49
Unpacking and checking ......................................................................................................49
List of components supplied .................................................................................................50
Weight of the modules of the equipment ..............................................................................51
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. Installation..................................................................................................................................... 52
General conditions ..............................................................................................................................52
Environmental checks ...........................................................................................................53
Installations above 2000 metres ...........................................................................................53
Wireless signal environmental checks ..................................................................................54
Recommendations for the wireless signal power .................................................................56
Installation position ................................................................................................................57
Wall mounting .......................................................................................................................................58
Wireless antenna mounting ................................................................................................................59
Opening the front cover .......................................................................................................................60
Preliminary operations for connection of the PV generator ...........................................................61
Checking the correct polarity of the strings ..........................................................................61
Checking of leakage to ground of the photovoltaic generator ..............................................61
Selection of differential protection downstream of the inverter ............................................62
Independent or parallel input channels configuration .....................................................................63
Channel configuration examples ..........................................................................................64
Independent channel configuration (default configuration) ..................................................65
Parallel channel configuration ..............................................................................................65
Input connection to PV generator (DC side) .....................................................................................66
Installation procedure for quick-fit connectors ......................................................................68
Distribution grid output connection (AC side) ..................................................................................72
Characteristics and sizing of the line cable ..........................................................................72
Load protection switch (AC disconnect switch) ....................................................................73
Installation of the cable on the AC output connector ............................................................74
Connection for the AC output connector to the inverter .......................................................76
Installation of the external protective grounding cable .........................................................77
Communication and control signal connections to the UNO-DM-COM KIT board (only for -X / -E version) ....78
Description of terminal blocks on the UNO-DM-COM KIT board (only for -X version) ......................79
Description of terminal blocks on the UNO-DM-PLUS-COM Ethernet KIT board (only for -E version) .. 80
Connection of the RS485 line ...........................................................................................81
Remote control connection ...............................................................................................83
Demand Responce Mode 0 (Request by AS/NZS 4777) .................................................83
Configurable Relay connection (ALARM / LOAD MANAGER) ................................................84
1- Introduction and general information
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