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

S
afety and accident prevention ..................................................................................................... 37
Safety information and instructions ..................................................................................................37
Signs and labels ....................................................................................................................37
Environmental conditions and risks ......................................................................................38
Thermal and electrical hazards .............................................................................................38
Clothing and protection of personnel ....................................................................................38
Residual risks .......................................................................................................................................40
Table of residual risks ...........................................................................................................40
L
ifting and transport ........................................................................................................................ 41
Transport and handling .........................................................................................................41
Lifting .....................................................................................................................................41
Unpacking and incoming inspection .....................................................................................41
Storage ..................................................................................................................................42
Weights .................................................................................................................................42
Lifting .....................................................................................................................................42
Packing list ............................................................................................................................43
I
nstallation ......................................................................................................................................... 44
Installation warnings ...........................................................................................................................44
Installation site and position ..................................................................................................45
Installation sites with high humidity ......................................................................................46
Wireless signal environmental checks ..................................................................................47
Recommendations for the wireless signal power .................................................................49
Wall mounting .......................................................................................................................................50
Opening the front cover .......................................................................................................................51
Installation planning .............................................................................................................................52
AC overcurrent protection .....................................................................................................52
Choice of grid output connection type (AC side) ..................................................................52
Sizing the ground cable(s) ....................................................................................................53
Sizing the AC cable ...............................................................................................................53
Clamps terminal use .............................................................................................................54
Preliminary operations for connection of the PV generator ...........................................................55
Independent or parallel input channels configuration ...........................................................55
Channel configuration examples ..........................................................................................56
Independent channel configuration (default configuration) ..................................................57
Parallel channel configuration ..............................................................................................57
Checking the correct polarity of the strings ..........................................................................58
Checking of leakage to ground of the photovoltaic generator ..............................................58
Electrical connection to the PV field - DC side .................................................................................59
Grid output connection (AC side) .......................................................................................................61
Connection to AC terminal block ...........................................................................................61
Grid standard setting of the country ......................................................................................62
Rapid Shutdown (RSD) connection....................................................................................................63
Communication and control signal connections to the accessory UNO-DM-COM KIT board ...64
Description of terminal blocks on the UNO-DM-COM KIT board ........................................65
Description of terminal blocks on the UNO-DM-PLUS-COM Ethernet KIT board ...............66
Connection of the RS485 line ...............................................................................................................67
Remote control connection ...................................................................................................69
Demand Responce Mode 0 (Request by AS/NZS 4777) .....................................................69
Configurable Relay connection (ALARM / LOAD MANAGER) ...........................................70
Closing the front cover ........................................................................................................................71
1- Introduction and general information
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