Fronius IG 3000 User Manual

5
EN-US
Contents
Safety rules ................................................................................................................................................ 9
General Information 13
Protection of Persons and Equipment ....................................................................................................... 15
Safety.................................................................................................................................................... 15
Protection of Persons and Equipment .................................................................................................. 15
Galvanic isolation.................................................................................................................................. 15
Monitoring the Grid ............................................................................................................................... 15
Information on "field adjustable trip points"........................................................................................... 15
FCC compliance ................................................................................................................................... 15
Ground fault detector / interrupter......................................................................................................... 16
Standards and regulations .................................................................................................................... 16
Declaration of conformity ...................................................................................................................... 16
The Fronius IG Unit in the PV System ....................................................................................................... 17
General ................................................................................................................................................. 17
Tasks .................................................................................................................................................... 17
Converting DC to AC Current ............................................................................................................... 17
Fully automatic operation management................................................................................................ 17
Display function and data communication ............................................................................................ 18
Data Communications Components ..................................................................................................... 18
Forced Ventilation ................................................................................................................................. 18
Power derating...................................................................................................................................... 18
Installation and Startup 19
Fronius IG Installation and Connection...................................................................................................... 21
Safety.................................................................................................................................................... 21
Connection diagram.............................................................................................................................. 21
Overview ............................................................................................................................................... 22
Connection Options and Knockouts........................................................................................................... 23
Connection Options and Knockouts...................................................................................................... 23
Choosing the Location ............................................................................................................................... 25
Choosing the location in general........................................................................................................... 25
Choosing a Location for Inside Installation ........................................................................................... 25
Choosing a location for outdoor installation .......................................................................................... 26
Fronius IG Installation ................................................................................................................................ 27
General ................................................................................................................................................ 27
Recommended screws for mounting plate assembly ........................................................................... 27
Attaching the mounting plate - mounting height.................................................................................... 27
Inverter Installation................................................................................................................................ 28
Connecting the Fronius IG to the Public Grid (AC) .................................................................................... 29
General ................................................................................................................................................ 29
Inverter configuration for connection to grids without neutral ............................................................... 29
Overview of available grids ................................................................................................................... 30
Monitoring the Grid ............................................................................................................................... 31
Systems with more than one inverter.................................................................................................... 31
AC-side terminals and grounding terminals .......................................................................................... 32
Cross section of AC wires..................................................................................................................... 33
Safety.................................................................................................................................................... 33
Removing knockouts and mounting conduits ....................................................................................... 34
Connecting the inverter to the public grid (AC) ..................................................................................... 35
Recommendation for the AC-side overcurrent protection..................................................................... 35
Additional external AC and/or DC disconnect....................................................................................... 36
Connecting Solar Module Strings to the Fronius IG (DC) ..........................................................................37
General information about solar modules ............................................................................................. 37
Safety.................................................................................................................................................... 37
DC terminals ......................................................................................................................................... 38
Solar module ground............................................................................................................................. 38
Wire cross section of solar module strings ........................................................................................... 39

Fronius IG 3000 Specifications

General

Brand	Fronius
Model	IG 3000
Category	Inverter
Language	English