Fronius IG Plus A 10.0-1 UNI Operating Instructions Manual

Category
Power adapters & inverters
Type
Operating Instructions Manual
Fronius IG Plus
3.0-1 / 3.8-1 / 5.0-1 / 6.0-1 / 7.5-1
10.0-1 / 11.4-1 / 11.4-3 / 12.0-3
42,0426,0071,EA 042008
Operating Instructions
USA
Inverter for grid-connected photo-
voltaic systems
ud_fr_st_et_01382 012008
Dear Fronius Customer,
Thank you for choosing Fronius - and congratulations on your new, high-quality, high-
tech Fronius product. This introduction should provide you with general information
about the equipment. Please read it carefully to learn about the many great features of
your new Fronius product. This is the best way to get the most out of all the advantages
that it has to offer.
Please also note the safety information and the safety precautions for the product
installation location. Following all product instructions will ensure long-lasting quality and
reliability. And these are the essential ingredients for outstanding results.
Introduction
ud_fr_st_et_01382 012008
IMPORTANT SAFETY
INSTRUCTIONS
SAVE THESE INSTRUCTIONS
General This manual contains important instructions for the Fronius IG Plus, that
must be followed during installation and maintenance of the inverter.
The Fronius IG Plus is designed and tested according to international
safety requirements, but as with all electrical and electronic equipment,
certain precautions must be observed when installing and/or operating the
Fronius IG Plus.
To reduce the risk of personal injury and to ensure the safe installation
and operation of the Fronius IG Plus, you must carefully read and follow
all instructions and safety instructions in this manual.
Safety Instruc-
tions
The following section “Safety Instructions“ contains different Warnings. A
Warning describes a hazard to equipment or personnel. It calls attention
to a procedure or practice, which, if not correctly performed or adhered to,
could result in damage to or destruction of part or all of the Fronius inver-
ter and/or other equipment connected to the Fronius inverter or personal
injury.
All electrical installations must be made in accordance with the National
Electrical Code, ANSI/NFPA 70, and any other codes and regulations
applicable to the installation site.
For installations in Canada the installations must be done in accordance
with applicable Canadian standards.
Electrical
installations
ud_fr_se_sv_01381 012008
I
Safety Instructions
DANGER!
WARNING!
CAUTION!
“NOTE“ indicates a situation which could adversely affect work results and
may cause damage to equipment.
NOTE
This equipment has been manufactured using state-of-the-art technology
and in accordance with general safety regulations. However, incorrect
operation or misuse may endanger:
- the life and well-being of the operator or third parties
- the equipment and other property of the owner/operator
- the efficient operation of the equipment.
All persons involved with equipment startup, service and maintenance must:
- be suitably qualified
- be familiar with electrical installations
- have completely read and followed these operating instructions
The operating instructions must be available at the equipment location at all
times. In addition to the operating instructions, all applicable local rules and
regulations regarding accident prevention and environmental protection must
also be followed.
General
Important
“DANGER!“ indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
“WARNING!“ indicates a potentially hazardous situation which, if not
avoided, will result in death or serious injury.
“CAUTION!“ indicates a potentially harmful situation which, if not avoided,
may result in minor and moderate injury or property damage.
“Important“ indicates practical tips and other useful information. It is not a
signal word for a harmful or dangerous situation.
Please pay special attention when one of the above symbols appears in the
manual.
ud_fr_se_sv_01381 012008 II
The equipment may only be operated in compliance with its intended use.
Any other purpose does not constitute intended use. The manufacturer is not
responsible for any damages resulting from unintended use.
Intended use also includes:
- reading and complying with all general information as well as safety
information and warnings from the operating instructions
- compliance with all inspection and maintenance requirements
- installation as per operating instructions
Where appropriate, the following guidelines should also be applied:
- Utility company regulations regarding grid feed-in
- Information from solar module manufacturer
Intended Use
All safety instructions and warning signs on the equipment itself:
- must be maintained in legible condition
- must not be damaged
- must not be removed
- must not be covered or painted over
For information about where the safety instructions and warning signs are
located on the equipment, please refer to the “General“ section of your
equipment’s operating instructions.
Any equipment malfunctions which might impair safety must be remedied
immediately before the device is turned on.
Your safety is at stake.
General
(continued)
Operation and/or storage of the device outside of the stipulated range does
not constitute intended use. The manufacturer is not responsible for any
damages resulting from unintended use.
Please refer to the technical data in your operating instructions for informati-
on about permitted ambient conditions.
Ambient Conditi-
ons
Qualified Person-
nel
The service information in these operating instructions is only intended for
qualified personnel. An electrical shock can be fatal. Please do not carry out
any activities other than those referred to in the documentation even if you
are suitably qualified.
All cables and wires must be secured, undamaged, insulated and adequately
dimensioned. Loose connections, scorched, damaged or under-dimensioned
cables and wires must be repaired immediately by an authorized specialist.
ud_fr_se_sv_01381 012008
III
Maintenance and repair may only be carried out by an authorized specialist.
The use of third-party parts does not guarantee that they were designed and
manufactured according to operational demands and safety requirements.
Use only original spare parts (also applies to standard parts).
Do not carry out any alterations, installations or modifications to the device
without first obtaining the manufacturer’s permission.
Immediately replace any components that are not in perfect condition.
Qualified Person-
nel
(continued)
Safety Precauti-
ons at Equipment
Location
When installing devices with air vents, make sure that cool air can flow freely through the
vents unobstructed. The device should only be operated in accordance with the protec-
tion class listed on the rating plate.
Care must be taken during installation to ensure that there is no electromag-
netic interference with electrical and electronic equipment.
EMC Precautions
Danger of damage to electronic components due to electrostatic discharge.
Take appropriate ESD precautions when replacing and installing compon-
ents.
ESD Precautions
Electrical Installa-
tions
Electrical installations may only be carried out in accordance with relevant
national and local standards and regulations.
The device should only be operated when all safety equipment is fully func-
tional. If safety equipment is not fully functional, there is a danger to:
- the life and well-being of the operator or third parties
- the equipment and other property of the owner/operator
- the efficient operation of the equipment
Safety equipment that is not fully functional must be repaired by an authori-
zed specialist before the device is turned on.
Never bypass or disable safety equipment.
Safety Precauti-
ons in Normal-
Operation
ud_fr_se_sv_01381 012008 IV
Equipment with the CE marking fulfils the basic requirements of the Guideli-
ne Governing Low-Voltage and Electromagnetic Compatibility. (For more
information, please see the attachment and/or the “Technical Data“ section in
your documentation).
Safety Markings
The user is responsible for backing up data relating to changes made to
factory settings. The manufacturer will not accept liability if personal settings
are deleted.
Data Security
The manufacturer maintains the copyright to these operating instructions.
Text and illustrations are technically correct at the time of going to print. The
right to make modifications is reserved. The contents of the operating in-
structions shall not provide the basis for any claims whatsoever on the part
of the purchaser. We would be grateful for any comments or suggestions
regarding improvements and/or error corrections for the operating instruc-
tions.
Copyright
This device should not be disposed of in residential waste.
To comply with European Directive 2002/96/EC on Waste Electrical and
Electronic Equipment and its implementation as national law, electrical
equipment that has reached the end of its life must be collected separately
and returned to an approved recycling facility. Any device that you no longer
require must be returned to your dealer or you must find an approved collec-
tion and recycling facility in your area.
Ignoring this EU Directive may have adverse affects on the environment and
your health.
Disposal
1
Table of Contents
General Information 7
Protection of persons and equipment ................................................................................ 9
Safety............................................................................................................................. 9
Protection of persons and equipment ............................................................................ 9
Galvanic isolation ........................................................................................................... 9
Monitoring the grid ......................................................................................................... 9
Information for Field adjustable trip points ................................................................... 10
FCC Compliance ......................................................................................................... 10
Ground Fault Detector / Interruptor .............................................................................. 10
Standards and Regulations.......................................................................................... 10
Product listings and compliance .................................................................................. 10
The Fronius IG Plus Unit in the PV System ...................................................................... 11
General information ...................................................................................................... 11
Tasks............................................................................................................................. 11
Converting DC into AC current...................................................................................... 11
Fully automatic operation management ........................................................................ 11
Display function and data communication ................................................................... 12
System Upgrades ........................................................................................................ 12
Forced ventilation ........................................................................................................ 12
Power Derating ............................................................................................................ 13
Installation and Startup 15
Fronius IG Plus Installation and Connection .................................................................... 17
Safety........................................................................................................................... 17
Fronius IG Plus Construction ....................................................................................... 17
Connection Diagramm ................................................................................................. 18
Overview ...................................................................................................................... 18
Fronius IG Plus Connection Options ................................................................................ 19
Fronius IG Plus Connection Options ........................................................................... 19
Knockouts on the Fronius IG Plus.................................................................................... 21
General ........................................................................................................................ 21
Knockouts for Wire Inputs............................................................................................ 21
Choosing the Location ..................................................................................................... 23
Choosing the location general ..................................................................................... 23
Choosing a Location for Inside Installation .................................................................. 23
Choosing a Location for Outside Installation ............................................................... 24
Fronius IG Plus Installation .............................................................................................. 25
General ........................................................................................................................ 25
Assembling the Wall Bracket ....................................................................................... 25
Recommended Screws for Wall Bracket Assembly ..................................................... 25
Attaching the Wall Bracket - Mounting height .............................................................. 25
Attaching the Wall Bracket to a Concrete or Brick Wall ............................................... 26
Attaching the Wall Bracket to a Wooden Wall ............................................................. 26
Attaching the Wall Bracket to a Metal Carrier .............................................................. 27
Fronius IG Plus Installation .......................................................................................... 27
Installation of Several Inverters.................................................................................... 28
2
Connecting the Fronius IG Plus to the Public Grid (AC) .................................................. 29
Overview of Available Power Grids .............................................................................. 29
Monitoring the Grid ...................................................................................................... 31
Schemes with more than one inverter ......................................................................... 31
AC-side and Grounding Terminals ............................................................................... 32
Cross Section of AC Wires .......................................................................................... 33
Safety........................................................................................................................... 33
Connecting the Fronius IG Plus to the Public Grid (AC) .............................................. 34
Connecting Grounding Electrode Wire ........................................................................ 35
Recommendation for the AC-side over current protection ........................................... 35
Additional External AC and/or DC Disconnect ............................................................. 35
Connecting Solar Module Strings to the Fronius IG Plus (DC) ........................................ 36
General Information About Solar Modules ................................................................... 36
Safety........................................................................................................................... 36
DC-Terminals ............................................................................................................... 37
Overview ...................................................................................................................... 37
Connecting Solar Module Strings ..................................................................................... 38
Solar Module Ground ................................................................................................... 38
Wire Cross Section of Solar Module Strings ................................................................ 38
Connecting Solar Module Strings ................................................................................ 39
Inserting String fuses into the Fronius IG Plus ............................................................. 41
Criteria for the Proper Selection of String Fuses .............................................................. 42
DC disconnect requirements........................................................................................ 42
General ........................................................................................................................ 42
Criteria for the Proper Selection of String Fuses ......................................................... 42
Effects of using underrated fuses ................................................................................ 42
Fuse Recommendations - Application Example .......................................................... 43
Fuses ...........................................................................................................................43
Additional Required Components ................................................................................ 44
Solar Module Ground ................................................................................................... 44
Connecting combined Solar Module Strings using a DC String Input Combiner .............. 44
General ........................................................................................................................ 44
Connecting combined Solar Module Strings using a DC String Input Combiner ......... 45
Safety........................................................................................................................... 45
Solar Module Ground at Positive Pole: Connecting Solar Module Strings ....................... 48
General ........................................................................................................................ 48
Wire Cross Section of Solar Module Strings ................................................................ 48
Solar Module Ground at Positive Pole ......................................................................... 48
Solar Module Ground at Positive Pole: Connecting Solar Module Strings ................... 49
Solar Module Ground at Positive Pole: Inserting String fuses into the
Fronius IG Plus ............................................................................................................ 51
Criteria for the Proper Selection of String Fuses .............................................................. 53
DC disconnect requirements........................................................................................ 53
General ........................................................................................................................ 53
Criteria for the Proper Selection of String Fuses ......................................................... 53
Effects of using underrated fuses ................................................................................ 53
Fuse Recommendations - Application Example .......................................................... 54
Fuses ...........................................................................................................................54
3
Solar Module Ground at Positive Pole: Connecting combined Solar Module Strings
using a DC String Input Combiner.................................................................................... 55
General ........................................................................................................................ 55
Additional Required Components ................................................................................ 55
Solar Module Ground at Positive Pole ......................................................................... 55
Solar Module Ground at Positive Pole: Connecting combined Solar Module
Strings using a DC String Input Combiner ................................................................... 56
Safety........................................................................................................................... 56
Attaching Power Stage Sets and Closing the Fronius IG Plus ......................................... 59
Preparation .................................................................................................................. 59
Opening the Fronius IG Plus for Service/Maintenance ................................................ 59
Attaching Power Stage Sets And Closing the Fronius IG Plus..................................... 59
Start up Operation ............................................................................................................ 60
Factory pre-set configuration ....................................................................................... 60
Requirements for Starting up Operation ...................................................................... 60
Start up Operation........................................................................................................ 60
Selecting the public grid ............................................................................................... 61
Startup Phase at Startup Operation ............................................................................. 63
Inserting Option Cards ..................................................................................................... 65
Suitable Option Cards .................................................................................................. 65
Safety........................................................................................................................... 65
Opening the Fronius IG Plus ....................................................................................... 65
Inserting Option Cards ................................................................................................. 66
Connecting Option Cards, Laying Data Communication Wires ................................... 66
Solar Net and Data Interface ....................................................................................... 68
Closing the Fronius IG Plus ......................................................................................... 68
Example ....................................................................................................................... 69
Operation 71
Product description Fronius IG Plus................................................................................. 73
Keys and Symbols ....................................................................................................... 73
Display .........................................................................................................................73
Test Procedure............................................................................................................. 75
Startup phase............................................................................................................... 75
Operating Status LED .................................................................................................. 77
Operating scheme - the Display ....................................................................................... 79
Activating ..................................................................................................................... 79
Display Illumination ...................................................................................................... 79
Accessing Menus ......................................................................................................... 79
Selecting a display mode ............................................................................................. 80
Scrolling Between Display functions ............................................................................ 80
Overview of Display Values ......................................................................................... 81
Display Modes ................................................................................................................. 82
Display Modes ............................................................................................................. 82
Overview ...................................................................................................................... 82
Within display mode ‘Now’ displayed data ....................................................................... 83
Selecting display mode ‘Now’ ...................................................................................... 83
Within display mode ‘Now’ displayed data ................................................................... 83
Options ........................................................................................................................ 85
4
Within display modes ‘Day / Year / Total’ displayed data ................................................. 86
General ........................................................................................................................ 86
Selecting display modes ‘Day / Year / Total’................................................................. 86
Within display modes ‘Day / Year / Total’ displayed data ............................................. 87
Options ........................................................................................................................ 89
The Setup Menu .............................................................................................................. 90
Default Settings ........................................................................................................... 90
Enter the setup menu .................................................................................................. 90
Scrolling among menu items ....................................................................................... 91
Menu Items in the Setup Menu .................................................................................... 91
Setting and Displaying Menu Items.................................................................................. 94
Menu Items Settings - General .................................................................................... 94
Setting Menu Item ‘Standby’ ........................................................................................ 94
Setting menu item ‘CONTRast’.................................................................................... 95
Setting menu item ‘LIGHTmode’.................................................................................. 95
Setting menu item ‘CASH’ ........................................................................................... 96
Setting menu item ‘CO2’ .............................................................................................. 98
Setting menu item ‘YIELD’ ........................................................................................... 99
Setting menu item ‘IG-NR’ ......................................................................................... 102
Setting menu item ‘DATcom’ ...................................................................................... 103
Setting menu item ‘TIME’........................................................................................... 104
Displaying menu item ‘STATEps’ ............................................................................... 107
Displaying menu item ‘VERSIon’ ............................................................................... 108
Troubleshooting and Maintenance 113
Status Diagnosis and Troubleshooting ............................................................................ 115
Displaying Status Codes ............................................................................................ 115
Normal operation status codes ................................................................................... 115
Total failure ................................................................................................................. 115
Status Codes on Fronius IG Plus with several power stage sets ................................ 116
Class 1 Status Codes ................................................................................................. 116
Class 2 Status Codes ................................................................................................. 118
Class 3 Status Codes ................................................................................................. 119
Class 4 Status Codes ................................................................................................ 121
Class 5 Status Codes ................................................................................................ 128
Customer Service ...................................................................................................... 130
Maintenance .................................................................................................................. 131
Safety......................................................................................................................... 131
General ...................................................................................................................... 131
Operation in Dusty Environments .............................................................................. 132
Opening Fronius IG Plus for Service/Maintenance .................................................... 132
Replacing String Fuses .................................................................................................. 133
Safety......................................................................................................................... 133
Preparation ................................................................................................................ 133
Replacing String Fuses .............................................................................................. 134
Closing Fronius IG Plus ............................................................................................. 135
Replacing GFDI Fuse..................................................................................................... 136
Safety......................................................................................................................... 136
Preparation ................................................................................................................ 136
Replacing GFDI Fuse ................................................................................................ 137
Closing Fronius IG Plus ............................................................................................. 138
5
Appendix 139
Technical Data ............................................................................................................... 141
Fronius IG Plus 3.0-1 ................................................................................................. 141
Fronius IG Plus 3.8-1 ................................................................................................. 143
Fronius IG Plus 5.0-1 ................................................................................................. 145
Fronius IG Plus 6.0-1 ................................................................................................. 147
Fronius IG Plus 7.5-1 ................................................................................................. 149
Fronius IG Plus 10.0-1 ............................................................................................... 151
Fronius IG Plus 11.4-1 ............................................................................................... 153
Fronius IG Plus 11.4-3 ............................................................................................... 155
Fronius IG Plus 12.0-3 ............................................................................................... 157
Field adjustable trip points ......................................................................................... 159
Relevant Standards and Directives ................................................................................ 160
Relevant Standards and Directives ............................................................................ 160
Grid Failure ................................................................................................................ 160
Warranty and Disposal ................................................................................................... 161
FRONIUS USA limited 10-Year Warranty .................................................................. 161
Policy and procedure for warranty returns and repairs .............................................. 161
Disposal of obsolete equipment - Recycling .............................................................. 162
6
7
General Information
8
9
Safety
Protection of persons and equipment
WARNING! Incorrect operation and work performed incorrectly
can cause serious injury & damage! Only qualified staff are
authorized to install your Fronius IG Plus and only within the
scope of the respective technical regulations. Do not start
operation or carry out maintenance work before you have read
the chapter ‘Safety Instructions’!
The design and function of the Fronius IG Plus unit offers a maximum
level of safety, both during installation as well as in operation.
The Fronius IG Plus provides operator and equipment protection through:
a) galvanic isolation
b) monitoring the grid
Protection of
persons and
equipment
Galvanic isola-
tion
The Fronius IG Plus is equipped with a high frequency transformer that
ensures galvanic isolation between the DC side and the grid, thus ensu-
ring the highest possible safety.
Whenever conditions in the electric grid are inconsistent with standard
conditions (for example grid switch-off, interruption, etc.), your Fronius IG
Plus unit will immediately stop operating and interrupt the supply of power
into the grid.
Monitoring the
grid
WARNING! An electrical shock can be fatal. Danger from grid
voltage and DC voltage from solar modules.
- The connection area should only be opened by a licensed
electrician.
- The separate power stage set area should only be discon-
nected from the connection area after first being discon-
nected from the grid power.
- The separate power stage set area should only be opened
by Fronius-trained service personnel.
Never work with live wires! Prior to all connection work, make
sure that the AC and DC wires are not charged.
10
FCC Compli-
ance
This device complies with Part 15 of the FCC Rules. Operation
is subject to the following conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including
interference that may cause undesired operation.
Ground Fault
Detector /
Interruptor
Your Fronius IG Plus unit complies with the requirements for the following
standards "Inverters, converters and controllers for use in independent
power systems":
- UL1741-2005
- IEEE 1547-2003
- IEEE 1547.1
- ANSI / IEEE C62.41
- C22.2 No. 107.1-01 (Sep. 2001)
The ground-fault detection and interruption is in compliance with NEC 690
building code requirements.
The respective conformity declarations can be found in the appendix to
these operating instructions.
Standards and
Regulations
Product lis-
tings and
compliance
The Fronius IG Plus unit is provided with field adjustable trip points. For
further information please contact Fronius technical support E-Mail: pv-us-
Information
for Field adju-
stable trip
points
Monitoring the
grid
(continued)
Your Fronius IG Plus unit determines the grid’s status by:
- monitoring voltage
- monitoring frequency
- monitoring islanding conditions
The Fronius IG Plus is equipped with a ground fault detection and inter-
ruption (GFDI) circuit as required by UL 1741 and the National Electrical
code.
Depending on the system configuration either the PV array’s negative or
positive conductor is connected to the grounding system in the inverter. If
a ground fault occurs in the DC wiring, the inverter disconnects from the
grid.
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Fronius IG Plus A 10.0-1 UNI Operating Instructions Manual

Category
Power adapters & inverters
Type
Operating Instructions Manual

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