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Fronius IG Plus V
3.0-1 / 3.8-1 / 5.0-1 / 6.0-1 / 7.5-1
10.0-1 / 10.0-3 / 11.4-1 / 11.4-3 / 12.0-3 u Operating Instructions
Inverter for grid-connected photovoltaic systems
42,0426,0099,EA 02/2011
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Dear reader,
Introduction Thank you for the trust you have placed in our company and congratulations on buying this high-quality Fronius product. These instructions will help you familiarize yourself with the product. Reading the instructions carefully will enable you to learn about the many different features it has to offer. This will allow you to make full use of its advantages.
Please also note the safety rules to ensure greater safety when using the product. Careful handling of the product will repay you with years of safe and reliable operation. These are essential prerequisites for excellent results.
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IMPORTANT SAFETY
INSTRUCTIONS
SAVE THESE INSTRUCTIONS
General These operating instructions contain 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 these operating instructions.
Failure to follow these instructions and other relevant safety procedures may result in voiding of the warranty and/or damage to the inverter or other property.
Safety instructions
The following section "Safety instructions" contains various 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 inverter and/or other equipment connected to the Fronius inverter or personal injury.
Electrical installations
All electrical installations must be carried out 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.
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Contents
Safety rules ................................................................................................................................................
General Information
Protection of Persons and Equipment .......................................................................................................
Safety....................................................................................................................................................
Protection of Persons and Equipment ..................................................................................................
Galvanic isolation..................................................................................................................................
Monitoring the Grid ...............................................................................................................................
Information on "field adjustable trip points"...........................................................................................
FCC compliance ...................................................................................................................................
Ground fault detector / interrupter.........................................................................................................
Standards and regulations ....................................................................................................................
Declaration of conformity ......................................................................................................................
Warning notice on the wall bracket .......................................................................................................
Warning notices affixed to the device ...................................................................................................
The Fronius IG Plus Unit in the PV System ...............................................................................................
General .................................................................................................................................................
Tasks ....................................................................................................................................................
Converting DC to AC Current ...............................................................................................................
Fully Automatic Operational Management............................................................................................
Display function and data communication ............................................................................................
Data Communications Components .....................................................................................................
Forced Ventilation .................................................................................................................................
Power derating......................................................................................................................................
Installation and Startup
Fronius IG Plus Installation and Connection..............................................................................................
Safety....................................................................................................................................................
Fronius IG Plus Construction ................................................................................................................
Connection diagram..............................................................................................................................
Overview ...............................................................................................................................................
Connection options ....................................................................................................................................
Fronius IG Plus V connection options...................................................................................................
Knockouts ..................................................................................................................................................
General .................................................................................................................................................
Knockouts for wire inputs......................................................................................................................
Choosing the Location ...............................................................................................................................
Choosing the location in general...........................................................................................................
Choosing a Location for Inside Installation ...........................................................................................
Choosing a location for outdoor installation ..........................................................................................
Fronius IG Plus Installation ........................................................................................................................
General .................................................................................................................................................
Assembling the wall bracket .................................................................................................................
Recommended screws for wall bracket assembly ................................................................................
Attaching the wall bracket - mounting height ........................................................................................
Attaching the wall bracket to a concrete or brick wall ...........................................................................
Attaching the wall bracket to a wooden wall .........................................................................................
Attaching the wall bracket to a metal carrier .........................................................................................
Lifting the Fronius IG Plus.....................................................................................................................
Fronius IG Plus V installation................................................................................................................
Installation of several inverters .............................................................................................................
Connecting the Fronius IG Plus to the Public Grid (AC) ............................................................................
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Overview of available grids ...................................................................................................................
Monitoring the Grid ...............................................................................................................................
Systems with more than one inverter....................................................................................................
AC-side terminals and grounding terminals ..........................................................................................
Cross section of AC wires.....................................................................................................................
Safety....................................................................................................................................................
Connecting the Fronius IG Plus to the public grid (AC) ........................................................................
Connecting grounding electrode wire ...................................................................................................
Recommendation for the AC-side overcurrent protection.....................................................................
Additional external AC and/or DC disconnect.......................................................................................
Connecting Solar Module Strings to the Fronius IG Plus (DC) ..................................................................
General information about solar modules .............................................................................................
Safety....................................................................................................................................................
DC terminals .........................................................................................................................................
Polarity Reversal of Solar Module Strings ............................................................................................
Overview ...............................................................................................................................................
Connecting solar module strings................................................................................................................
Solar module ground.............................................................................................................................
Wire cross section of solar module strings ...........................................................................................
Connecting solar module strings...........................................................................................................
Inserting string fuses.............................................................................................................................
Criteria for the Proper Selection of String Fuses .......................................................................................
DC disconnect requirements.................................................................................................................
General .................................................................................................................................................
Criteria for the proper selection of string fuses .....................................................................................
Effects of Using Underrated Fuses .......................................................................................................
Fuse Recommendations .......................................................................................................................
Application example..............................................................................................................................
Fuses ....................................................................................................................................................
Connecting combined solar module strings using connecting distributors ................................................
General .................................................................................................................................................
Additional components required ...........................................................................................................
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Solar module ground.............................................................................................................................
Safety....................................................................................................................................................
Connecting combined solar module strings using connecting distributors ...........................................
Solar Module Ground at Positive Pole: Connecting Solar Module Strings ................................................
General .................................................................................................................................................
Solar module ground at positive pole....................................................................................................
Wire cross section of solar module strings ...........................................................................................
Solar module ground at positive pole: Connecting solar module strings ..............................................
Inserting string fuses.............................................................................................................................
Criteria for the Proper Selection of String Fuses .......................................................................................
DC disconnect requirements.................................................................................................................
General .................................................................................................................................................
Criteria for the proper selection of string fuses .....................................................................................
Effects of Using Underrated Fuses .......................................................................................................
Fuse Recommendations .......................................................................................................................
Application example..............................................................................................................................
Fuses ....................................................................................................................................................
Solar module ground at positive pole: Connecting combined solar module strings using connecting distributors ......................................................................................................................................................
General .................................................................................................................................................
Additional components required ...........................................................................................................
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Solar module ground at positive pole....................................................................................................
Safety....................................................................................................................................................
Solar module ground at positive pole: Connecting combined solar module strings using connecting distributors ............................................................................................................................................
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Attaching power stage sets and closing the Fronius IG Plus.....................................................................
Preparation ...........................................................................................................................................
Attaching power stage sets and closing the Fronius IG Plus................................................................
Commissioning ..........................................................................................................................................
Factory pre-set configuration ................................................................................................................
Requirements for start-up operation .....................................................................................................
Commissioning .....................................................................................................................................
Selecting the grid ..................................................................................................................................
Startup phase during startup operation.................................................................................................
Setting inverter for solar module ground at the positive pole................................................................
Inserting Option Cards ...............................................................................................................................
Suitable option cards ............................................................................................................................
Safety....................................................................................................................................................
Opening the inverter .............................................................................................................................
Inserting option cards into the Fronius IG Plus V..................................................................................
Termination plug when networking several DATCOM components .....................................................
Connecting option cards, laying data communication wires .................................................................
Closing the inverter ...............................................................................................................................
Data Communication and Solar Net ..........................................................................................................
Solar Net and data interface .................................................................................................................
Example ................................................................................................................................................
Selecting the interface protocol and setting the inverter baud rate............................................................
General .................................................................................................................................................
Entering the access code......................................................................................................................
Selecting the interface protocol for communication with other data communication components........
Setting the inverter baud rate................................................................................................................
Operation
Product Description Fronius IG Plus..........................................................................................................
Controls and Indicators .........................................................................................................................
Display ..................................................................................................................................................
Operating Status LED ...........................................................................................................................
Startup Phase and Grid Feed-in Mode ......................................................................................................
Startup phase........................................................................................................................................
Test procedure......................................................................................................................................
Operation of Feeding Energy into the Grid ...........................................................................................
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Troubleshooting and Maintenance
Appendix
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Safety rules
Safety Rules Explanation
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.
NOTE! Indicates a risk of flawed results and possible damage to the equipment.
IMPORTANT! Indicates tips for correct operation and other particularly useful information.
It does not indicate a potentially damaging or dangerous situation.
If you see any of the symbols depicted in the "Safety rules," special care is required.
General
The device is manufactured using state-of-the-art technology and according to recognized safety standards. If used incorrectly or misused, however, it can cause
injury or death to the operator or a third party,
damage to the device and other material assets belonging to the operator,
inefficient operation of the device
All persons involved in commissioning, maintaining and servicing the device must
be suitably qualified,
have knowledge of and experience in dealing with electrical installations and
read and follow these operating instructions carefully
The operating instructions must always be at hand wherever the device is being used. In addition to the operating instructions, attention must also be paid to any generally applicable and local regulations regarding accident prevention and environmental protection.
All safety and danger notices on the device
must be kept in a legible state
must not be damaged/marked
must not be removed
must not be covered, pasted or painted over
For the location of the safety and danger notices on the device, refer to the section headed "General" in the operating instructions for the device.
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Utilization in Accordance with
"Intended Purpose"
Environmental
Conditions
Qualified Service
Engineers
Before switching on the device, remove any faults that could compromise safety.
Your personal safety is at stake!
The device is to be used exclusively for its intended purpose.
Utilization for any other purpose, or in any other manner, shall be deemed to be "not in accordance with the intended purpose." The manufacturer shall not be liable for any damage resulting from such improper use.
Utilization in accordance with the "intended purpose" also includes
carefully reading and obeying all the instructions and all the safety and danger notices in the operating instructions
performing all stipulated inspection and servicing work
installation as specified in the operating instructions
The following guidelines should also be applied where relevant:
Regulations of the utility regarding energy fed into the grid
Instructions from the solar module manufacturer
Operation or storage of the device outside the stipulated area will be deemed as "not in accordance with the intended purpose." The manufacturer is not responsible for any damages resulting from unintended use.
For exact information on permitted environmental conditions, please refer to the "Technical data" in the operating instructions.
The servicing information contained in these operating instructions is intended only for the use of qualified service engineers. An electric shock can be fatal.
Do not perform any actions other than those described in the documentation.
This also applies to those who may be qualified.
All cables and leads must be secured, undamaged, insulated and adequately dimensioned. Loose connections, scorched, damaged or inadequately dimensioned cables and leads must be immediately repaired by authorized personnel.
Maintenance and repair work must only be carried out by authorized personnel.
It is impossible to guarantee that externally procured parts are designed and manufactured to meet the demands made on them, or that they satisfy safety requirements. Use only original replacement parts (also applies to standard parts).
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Safety Measures at the Installation
Location
When installing devices with openings for cooling air, ensure that the cooling air can enter and exit unhindered through the vents. Only operate the device in accordance with the degree of protection shown on the rating plate.
Data Regarding
Noise Emission
Values
The inverter generates a maximum sound power level of < 80 dB(A) (ref. 1 pW) when operating under full load in accordance with IEC 62109-1.
The device is cooled as quietly as possible with the aid of an electronic temperature control system, and depends on the amount of converted power, the ambient temperature, the level of soiling of the device, etc.
It is not possible to provide a workplace-related emission value for this device, because the actual sound pressure level is heavily influenced by the installation situation, the power quality, the surrounding walls and the properties of the room in general.
EMC device classifications
Devices with emission class A:
are only designed for use in an industrial setting
can cause line-bound and radiated interference in other areas
Devices with emission class B:
satisfy the emissions criteria for residential and industrial areas. This is also true for residential areas in which the energy is supplied from the public low voltage grid.
EMC device classification as per the rating plate or technical data.
EMC Measures
Do not carry out any modifications, alterations, etc. without the manufacturer's consent.
Components that are not in perfect condition must be changed immediately.
In certain cases, even though a device complies with the standard limit values for emissions, it may affect the application area for which it was designed (e.g., when there is sensitive equipment at the same location, or if the site where the device is installed is close to either radio or television receivers). If this is the case, then the operator is obliged to take appropriate action to rectify the situation.
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Grid Connection
Electrical Installations
High-performance devices (> 16 A) can affect the voltage quality of the grid because of a high output current in the main supply.
This may affect a number of types of device in terms of:
connection restrictions
criteria with regard to maximum permissible mains impedance *)
criteria with regard to minimum short-circuit power requirement *)
*) at the interface with the public grid see Technical Data
In this case, the operator or the person using the device should check whether or not the device is allowed to be connected, where appropriate through discussion with the power supply company.
Electrical installations must only be carried out according to relevant national and local standards and regulations.
Protective Measures against
ESD
Danger of damage to electrical components from electrical discharge. Suitable measures should be taken to protect against ESD when replacing and installing components.
Safety Measures in Normal Operation
Safety Symbols
Only operate the device when all protection devices are fully functional. If the protection devices are not fully functional, there is a risk of
injury or death to the operator or a third party,
damage to the device and other material assets belonging to the operator,
inefficient operation of the device
Any safety devices that are not functioning properly must be repaired by authorized personnel before the device is switched on.
Never bypass or disable protection devices.
Devices with the CE marking satisfy the essential requirements of the low-voltage and electromagnetic compatibility directives. (Further details can be found in the appendix or the chapter entitled "Technical data" in your documentation.)
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Disposal
Backup
Copyright
Do not dispose of this device with normal domestic waste! To comply with the
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 locate the approved collection and recycling facilities in your area. Ignoring this European Directive may have potentially adverse affects on the environment and your health!
The user is responsible for backing up any changes made to the factory settings. The manufacturer accepts no liability for any deleted personal settings.
Copyright of these operating instructions remains with the manufacturer.
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 instructions shall not provide the basis for any claims whatsoever on the part of the purchaser. If you have any suggestions for improvement, or can point out any mistakes that you have found in the operating instructions, we will be most grateful for your comments.
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General Information
Protection of Persons and Equipment
Safety
WARNING! An electric 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 disconnected from the connection area after first being disconnected 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.
WARNING! If the equipment is used or tasks are carried out incorrectly, serious injury or damage may result. Only qualified personnel are authorized to install your inverter and only within the scope of the respective technical regulations. It is essential that you read the "Safety regulations" chapter before commissioning the equipment or carrying out maintenance work.
Protection of Persons and Equipment
The design and function of the inverter offer a maximum level of safety, both during installation as well as operation.
The inverter provides operator and equipment protection through: a) galvanic isolation b) monitoring the grid
Galvanic isolation The inverter is equipped with a high frequency transformer that ensures galvanic isolation between the DC side and the grid, thus ensuring the highest possible safety.
Monitoring the
Grid
Whenever conditions in the electric grid are inconsistent with standard conditions (for example, grid switch-off, interruption), the inverter will immediately stop operating and interrupt the supply of power into the grid.
Grid monitoring is carried out using:
Voltage monitoring
Frequency monitoring
Monitoring islanding conditions
Information on
"field adjustable trip points"
The inverter is equipped with field adjustable trip points. For further information, please contact Fronius technical support at the following e-mail address: [email protected].
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FCC compliance
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 / interrupter
The inverter is equipped with a ground fault detection and interruption (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.
Standards and regulations
Your inverter 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.
Declaration of conformity
Relevant declarations of conformity can be found in the appendix to these operating instructions.
Warning notice on the wall bracket
The wall bracket contains a warning notice regarding the installation of several inverters next to each other. This warning notice must not be removed or painted over. It warns against incorrect installation, which could result in property damage.
The spacing information listed in the warning notice from the wall/ceiling to the inverter and from inverter to inverter must be observed when installing several inverters next to each other.
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Warning notices affixed to the device
The inverter contains warning notices and safety symbols. These warning notices and safety symbols must NOT be removed, painted over or covered. The notices and symbols warn against operating the equipment incorrectly, as this may result in serious injury and damage.
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The Fronius IG Plus Unit in the PV System
General The solar inverter is the highly complex link between the solar modules and the public grid.
PV array
Inverter
Main AC
Load
Center
Energymeter
Tasks The main tasks of the inverter include:
Converting DC to AC current
Fully automatic operational management
Display function and data communication
Converting DC to
AC Current
The inverter transforms the direct current generated by the solar modules into alternating current. This alternating current is fed into your home system or into the public grid and synchronized with the voltage that is used there.
IMPORTANT! The inverter has been designed exclusively for use in grid-connected photovoltaic systems. It cannot generate electric power independently of the grid.
Fully Automatic
Operational Management
The inverter is fully automatic. Starting at sunrise, as soon as the solar modules generate enough power, the automatic control unit starts monitoring voltage and frequency. After five minutes, if there is a sufficient level of irradiance, your solar inverter starts feeding energy to the grid.
The inverter control system ensures that the maximum possible power output is drawn from the solar modules at all times.
This function is called MPPT (Maximum Power Point Tracking).
As dusk starts and there is no longer sufficient energy available to feed power into the grid, the inverter unit shuts down the grid connection completely and stops operating. All settings and recorded data are saved.
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Display function and data communication
The display on the inverter is the interface between the inverter and the operator. The design of the display is geared towards simple operation and making system data available as long as the inverter operates.
The inverter is equipped with a basic logging function to monitor minimum and maximum data on a daily and a cumulative basis. These values are shown on the display.
A wide range of data communication products allows for many possibilities of recording and viewing data.
Data Communications Components
The inverter is designed for various data communications components, e.g.:
Data communications components that enable the inverter to communicate with external components as well as other inverters
Datalogger and modem interface as well as an Ethernet/Internet connection (for using a PC to record and manage data from your photovoltaic system)
Various large-format displays
Fronius Personal Display
Actuators (e.g.: relays, alarms)
Interface cards
Data communications components are available as plug-in cards.
Forced Ventilation
The inverter's temperature-controlled, variable-speed fan with ball-bearing support provides:
optimal inverter cooling
efficiency increases
cooler components, thus improving service life
least possible energy consumption and lowest possible noise level
weight reduction due to a reduction of the cooling element surface
Power derating Should there be insufficient heat dissipation in spite of the fan operating at maximum speed
(for example, inadequate heat transfer away from the heat sinks), the power will be derated to protect the inverter when the ambient temperature reaches approx. 40 °C and above.
Derating the power reduces the output of the inverter for a short period sufficient to ensure that the temperature will not exceed the permissible limit.
Your inverter will remain ready for operation as long as possible without any interruption.
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Installation and Startup
Fronius IG Plus Installation and Connection
Safety
WARNING! An electric 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 disconnected from the connection area after first being disconnected 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.
WARNING! If the equipment is used or tasks are carried out incorrectly, serious injury or damage may result. Only qualified personnel are authorized to install your inverter and only within the scope of the respective technical regulations. It is essential that you read the "Safety regulations" chapter before commissioning the equipment or carrying out maintenance work.
Fronius IG Plus
Construction
(1)
The power stage set and the connection area are separated from each other for delivery.
(1)
(2)
Power stage set(s)
Connection area
(2)
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Connection diagram
Overview
DC +
Fronius IG Plus
DC terminal block
String fuses
L3***
L2
L1
N**
DC disconnect
*
**
***
Grounding terminal
Grounding electrode terminal *
DC -
PV frame ground
N
L1
L2
L3
Energymeter
AC distribution panel
Lockable AC disconnect switch
Main grounding system may be required by local authorities may be required depending on grid configuration depending on inverter type
‘Fronius IG Plus installation and connection’ contains the following sections:
Fronius IG Plus connection options
Knockouts on the Fronius IG Plus
Choosing the location
Fronius IG Plus installation
Connecting the Fronius IG Plus to the public grid (AC)
Connecting solar module strings to the Fronius IG Plus (DC)
Attaching power stage sets and closing the Fronius IG Plus
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Connection options
Fronius IG Plus V connection options
(4)
(5)
(6)
(7)
(8)
Item Description
(1) Jumper slot SMON
(2)
(3)
DC+ main switch wire
6 x fuse holder with fuse cover, for stringfuses
Jumper slot SMOFF
Plug-in card (IG Brain)
Open card slot for an option card
Open card slot for an option card
Plug-in card NL-MON
Only at Fronius IG Plus 12.0-3 V WYE 277: Open card slot for an option card
(9) DC- main switch wire
(10) 6 DC- terminals
(11) Fuse holder with fuse cover, for GFDI-fuse
(12) AC-side terminals
(13) 3 x grounding terminals
(14) Strain relief for solar module strings
(15) 6 DC+ terminals
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Item Description
(16) DC main switch
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Knockouts
General The inverter contains several knockouts of different sizes. When knocked out, the openings are used for the inputs of various wires.
Knockouts for wire inputs
Knockouts on the left-hand side Knockouts on the right-hand side
(1)
(3) (2)
Knockouts on the underside and on the backside
(1) (5) (3) (4)
(2) (3)
(1)
(3)
(5) (6) (1) (4) (7)
Item
(1)
(2)
(3)
(4)
Description
Knockout, diameter 3/4 in. / 1 in.
e.g., for DC wire, surge arrester
Knockout, diameter 1/2 in. / 3/4 in.
only for data wires
Knockout, diameter 3/4 in. / 1 in.
e.g., for AC wire, surge arrester
Knockout, diameter 1/2 in. / 3/4 in.
e.g., for AC wire, surge arrester
(2)
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Item
(5)
(6)
(7)
Description
Knockout, diameter 1/2 in. / 3/4 in.
e.g., for DC wire, surge arrester
FTX 25 fixing screw
FTX 25 fixing screw
NOTE! When using back wire inputs:
seal enclosure as per NEMA 3R before outside operationn
NOTE!
The larger knockouts should only be removed from the outside in.
The smaller knockouts should be removed from the inside out.
Only remove the number of knockouts required for the available wire inputs.
CAUTION! Danger of damaging the plastic base when removing the knockouts on the bottom.
Before removing, remove the 3 fixing screws (6) and (7)
Remove the metal insert from the plastic base
Remove the required knockouts
Replace the metal insert into the plastic base
Secure the metal insert using the 3 fixing screws (6) and (7)
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Choosing the Location
Choosing the location in general
Please note the following criteria when choosing a location for the inverter:
Only vertical installation
Max. ambient temperatures: -13 °F / +122 °F (-25 °C / +50 °C)
Relative humidity: 0 - 95 %
For use at altitudes above sea level: up to 6561 ft. (2000 m)
Keep a minimum distance of 8 in. (20 cm) between each inverter or anything to the right or left of the inverters such as walls or DC and AC disconnects.
For optimal airflow and cooling efficiency in locations with temperatures exceeding
104 °F (40 °C), the manufacturer recommends a distance of 10 - 12 in. (25 - 30 cm).
When installing more than one inverter, keep a distance of 12 in. (30 cm) between each inverter. In locations with temperatures exceeding 104 °F (40 °C), more than
12 inches is desirable.
8 in.
20 cm
12 in.
30 cm
2 in.
5 cm
Keep a minimum distance under the inverter corresponding to the ‘NEC 110.26 for code compliant disconnect location‘. If the DC disconnect is to be code compliant, it must be readily accessible (NEC 690.14 (B) (1)).
The air flow direction within the inverter is from right to left (cold air intake on right, hot air exit on left).
When installing the inverter in a switch panel cabinet (or similar closed environment), it is necessary to make sure that the hot air that develops will be discharged by forced ventilation.
The inverter is designed for installation both indoors and outdoors.
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Choosing a Location for Inside Installation
During certain operation phases the inverter may produce a slight noise. For this reason it should not be installed in an occupied living area.
Do not install the inverter in:
areas with large amounts of dust
areas with large amounts of conducting dust particles (e.g., iron filings)
areas with corrosive gases, acids or salts
areas where there is an increased risk of accidents, e.g., from farm animals (horses, cattle, sheep, pigs, etc.)
stables or adjoining areas
storage areas for hay, straw, chaff, animal feed, fertilizers, etc.
storage or processing areas for fruit, vegetables or winegrowing products
areas used in the preparation of grain, green fodder or animal feeds
greenhouses
Choosing a location for outdoor installation
NEMA 3R protection means that the inverter is not susceptible to water spray from any direction.
However, the manufacturer recommends, if possible, that the inverter not be exposed to direct moisture or to a direct water jet (e.g., from sprinklers).
In order to protect the display, the inverter should not be exposed to direct sunlight. Ideally, the inverter should be installed in a protected location, e.g., near the solar modules or under a roof overhang.
Do not install the inverter:
where it can be exposed to ammonia, corrosive gasses, acids or salts (e.g., fertilizer storage areas, vent openings of livestock stables, chemical plants, tanneries)
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Fronius IG Plus Installation
General
IMPORTANT! Depending on the surface, different wall anchors and screws may be required for installing the wall bracket. These wall anchors and screws are not part of the scope of delivery for the inverter. The installer is responsible for selecting the proper wall anchors and screws.
NOTE! The inverter is designed only for a vertical installation position.
Assembling the wall bracket
1
1
1
Recommended screws for wall bracket assembly
In most cases, you should use 1/4 in. or 5/16 in. stainless steel or aluminum screws capable of supporting:
31 lbs. for Fronius IG Plus V 3.0-1 / V 3.8-1
57 lbs. for Fronius IG Plus V 5.0-1 / V 6.0-1 / V 7.5-1
82 lbs. for Fronius IG Plus V 10.0-1 / V 10.0-3 / V 11.4-1 / V 11.4-3 / V 12.0-3
Attaching the wall bracket - mounting height
IMPORTANT! Keep a minimum distance under the inverter corresponding to the ‘NEC
110.26 for code compliant disconnect location. If the DC disconnect is to be code compliant, it must be readily accessible (NEC 690.14 (B) (1)).
The DC disconnect is in the lower left part of the inverter. Also, the cut out segment marked
(*) in the following drawings represents the placement of the inverter display. Use this to ensure a comfortable display height for easy reading.
35
Attaching the wall bracket to a concrete or brick wall
IMPORTANT! The cut out segment marked (*) represents the placement of the inverter display. Use this to ensure a comfortable display height for easy reading.
1 2 min. 50 mm min. 2 in.
1
1
1
2
3
22
4
6
5
7
(*)
3
5
4
6
3
6 x 1
2
23
4
6
5
7
Attaching the wall bracket to a wooden wall
IMPORTANT! The cut out segment marked (*) represents the placement of the inverter display. Use this to ensure a comfortable display height for easy reading.
1 2
1
1
1
2
9
3
4
(*)
9
2
5
36
Attaching the wall bracket to a metal carrier
IMPORTANT! The cut out segment marked (*) represents the placement of the inverter display. Use this to ensure a comfortable display height for easy reading.
1
1
4 x
NOTE! When installing using a metal carrier, the inverter should not be exposed to rainwater or water spray at the back. Ensure proper rainwater or spray water protection.
22
3
4
(*)
Lifting the Fronius IG Plus
Fronius recommends using a commercially-available vacuum lifting pad for flat surfaces to lift the connection area and power stage set.
IMPORTANT!
The vacuum lifting pads must be designed for the weight of the connection area and power stage set.
Follow all safety instructions from the vacuum lifting pad manufacturer.
Vacuum lifting pads are not part of the scope of delivery for the inverter.
Weight information for the connection area and power stage set:
Inverter
Fronius IG Plus V 3.0-1 UNI
Fronius IG Plus V 3.8-1 UNI
Fronius IG Plus V 5.0-1 UNI
Fronius IG Plus V 6.0-1 UNI
Fronius IG Plus V 7.5-1 UNI
Fronius IG Plus V 10.0-1 UNI
Fronius IG Plus V 10.0-3 Delta
Fronius IG Plus V 11.4-1 UNI
Fronius IG Plus V 11.4-3 Delta
26 lbs.
26 lbs.
Fronius IG Plus V 12.0-3 WYE277 26 lbs.
Connection area
24 lbs.
24 lbs.
26 lbs.
26 lbs.
26 lbs.
26 lbs.
26 lbs.
Power stage set
31 lbs.
31 lbs.
57 lbs.
57 lbs.
57 lbs.
82 lbs.
82 lbs.
82 lbs.
82 lbs.
82 lbs.
37
Fronius IG Plus V installation
1 2
3
3
2
1
A
B
4
1
2
5
4
2
1
1
3
3
1
2
CAUTION! Danger of injury by falling equipment. Attach the connection area of the inverter to the wall bracket using the 2 screws removed from the wall bracket in step 1.
38
5
Installation of several inverters
Several inverters can be easily installed and connected next to each other using the side knockouts on the inverter, e.g.:
D C DATCOM D C DATCOM D C
AC AC
DATCOM = data communication
NOTE! All electrical installations must be carried out 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.
39
Connecting the Fronius IG Plus to the Public Grid
(AC)
Overview of available grids
Inverters can be connected to the following grids:
Grid
208 V Delta
=
~
12
0 °
20
8 V
L1
20
8 V
12
0 °
=
~
Inverter
Fronius IG Plus V 3.0-1
Fronius IG Plus V 3.8-1
Fronius IG Plus V 5.0-1
Fronius IG Plus V 6.0-1
Fronius IG Plus V 7.5-1
Fronius IG Plus V 10.0-1
Fronius IG Plus V 10.0-3
Fronius IG Plus V 11.4-1
Fronius IG Plus V 11.4-3
L3 208 V L2
=
120 °
~
208 V Delta: 120 V WYE
=
~
L1
12
0 °
L3
208 V
208 V
120 V
208 V
N
120 V
12
0
°
L2
=
~
=
120 °
~
240 V Delta
Fronius IG Plus V 3.0-1
Fronius IG Plus V 3.8-1
Fronius IG Plus V 5.0-1
Fronius IG Plus V 6.0-1
Fronius IG Plus V 7.5-1
Fronius IG Plus V 10.0-1
Gronius IG Plus V 10.0-3
Fronius IG Plus V 11.4-1
Fronius IG Plus V 11.4-3
=
~
12
0
°
24
0 V
L1
24
0 V
12
0 °
=
~
Fronius IG Plus V 3.0-1
Fronius IG Plus V 3.8-1
Fronius IG Plus V 5.0-1
Fronius IG Plus V 6.0-1
Fronius IG Plus V 7.5-1
Fronius IG Plus V 10.0-1
Fronius IG Plus V 10.0-3
Fronius IG Plus V 11.4-1
Fronius IG Plus V 11.4-3
L3 240 V L2
=
120 °
~
40
Grid
240 V: 120 V Stinger
L3
=
12
0 °
24
0 V
24
0 V
12
0 °
~
L2 120 V
N
120 V L1
120 °
=
~
240 V: 120 V Split phase
180 °
=
~
L 1
120 V
N
120 V
L 2
Inverter
Fronius IG Plus V 3.0-1
Fronius IG Plus V 3.8-1
Fronius IG Plus V 5.0-1
Fronius IG Plus V 6.0-1
Fronius IG Plus V 7.5-1
Fronius IG Plus V 10.0-1
Fronius IG Plus V 11.4-1
Fronius IG Plus V 3.0-1
Fronius IG Plus V 3.8-1
Fronius IG Plus V5.0-1
Fronius IG Plus V 6.0-1
Fronius IG Plus V 7.5-1
Fronius IG Plus V 10.0-1
Fronius IG Plus V 11.4-1
240 V
=
480 V Delta: 277 V WYE
~
=
~
L1
12
0 °
L3
48
0 V
27
7 V
480 V
48
0V
N
27
7 V
12
0
°
L2
=
~
=
120 °
~
Fronius IG Plus V 3.0-1
Fronius IG Plus V 3.8-1
Fronius IG Plus V 5.0-1
Fronius IG Plus V 6.0-1
Fronius IG Plus V 7.5-1
Fronius IG Plus V 10.0-1
Fronius IG Plus V 11.4-1
Fronius IG Plus V 12.0-3
41
Grid
480 V Delta
L1
=
~
12
0
°
48
0 V
L3 480 V
=
120 °
~
48
0 V
12
0 °
=
~
L2
Inverter
NOTE! Do not connect Fronius IG Plus V inverters to the 480 V Delta grid.
Monitoring the
Grid
IMPORTANT! The resistance in the leads to the AC-side connection terminals must be as low as possible for optimal functioning of grid monitoring.
Systems with more than one inverter
For larger photovoltaic systems, it is possible to connect several inverters in parallel without any problems. To ensure symmetrical feeding, connect the inverters uniformly to all 3 phases.
NOTE! The inverter is designed to be connected to three-phase systems. Utilities generally allow up to 6 kVA of unbalance, but check with your utility and try to balance the installation.
The connection to the grid should be done in the following way:
208 V / 240 V:
Connect Fronius IG Plus No. 1, No. 4, No. 7, ... to L1 and L2
Connect Fronius IG Plus No. 2, No. 5, No. 8, ... to L2 and L3
Connect Fronius IG Plus No. 3, No. 6, No. 9, ... to L1 and L3
277 V:
Connect Fronius IG Plus No. 1, No. 4, No. 7, ... to L1 and N
Connect Fronius IG Plus No. 2, No. 5, No. 8, ... to L2 and N
Connect Fronius IG Plus No. 3, No. 6, No. 9, ... to L3 and N
42
AC-side terminals and grounding terminals
1-phase inverters 208 V / 240 V
GET
L1 L2
1-phase inverters 277 V
N
GET
L1 N N.C.
3-phase inverters 208 V / 240 V / 277 V
GET
(1) (2) (3)
L1 L2
The terminals are designed for the following terminal connections:
L3 N
Grounding terminals:
(1) Grounding Electrode Terminal (GET)
A grounding electrode terminal may be required depending on local regulations.
(2) Grounding of photovoltaic components (e.g., solar module frames)
The ground for photovoltaic components such as solar module frames must be connected at the grounding terminals. The size of the wire usually corresponds to the largest wire in the DC system.
(3) Grid grounding / Grounding conductor
The inverter must be connected via the grounding terminal to the AC grid grounding.
NOTE!
Use copper wires for all grounding cables
Use only solid or stranded wire. Do not use fine stranded wire.
See NEC section 250 for correct grounding.
AC-side terminals:
L1 = Phase conductor L1
L2 = Phase conductor L2
L3 = Phase conductor L3
N = Neutral conductor N
NOTE! The neutral conductor is not bonded to ground internally.
NC = Not connected
Max. wire cross section AWG 4
43
Cross section of
AC wires
WARNING! An electric shock can be fatal. Inadequately sized electrical components can cause serious injuries to persons and damage to (or loss of) property.
All electrical installations must be carried out 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.
Use minimum AWG 14 to maximum AWG 4, min. 167°F (75°C), copper wire for all AC wiring connections to the Fronius IG Plus. Voltage drop and other considerations may dictate larger size wires be used.
Use only solid or stranded wire. Do not use fine stranded wire.
Minimum cross section of AC wires (for an ambient temperature of 122 °F / 50 °C):
Fronius IG Plus
V 3.0-1
V 3.8-1
V 5.0-1
V 6.0-1
V 7.5-1
V 10.0-1
V 10.0-3
V 11.4-1
V 11.4-3
V 12.0-3
AC wire
208 V
AWG 12
AWG 12
AWG 8
AWG 8
AWG 6
AWG 4
AWG 8
AWG 4
-
AWG 8
AC wire
240 V
AWG 14
AWG 12
AWG 10
AWG 8
AWG 6
AWG 4
AWG 8
AWG 4
-
AWG 8
AC wire
277 V
AWG 14
AWG 12
AWG 12
AWG 10
AWG 8
AWG 6
-
AWG 4
-
AWG 12
Safety Only an authorized electrician is permitted to connect this inverter to the public grid.
WARNING! An electric 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 disconnected from the connection area after first being disconnected from the grid power.
Never work with live wires! Prior to all connection work, make sure that the AC and DC wires are not charged.
CAUTION! Danger of damaging the inverter due to an overload of the grid neutral conductor.
Do not connect 2-phase and 3-phase devices to one phase
Never operate multiphase devices in one phase
CAUTION! Danger of damaging the inverter from improperly connected terminals. Improperly connected terminals can cause thermal damage to the inverter and may cause a fire. When connecting the AC and DC cables, make sure that all terminals are tightened securely using the proper torque.
44
Connecting the
Fronius IG Plus to the public grid
(AC)
1 2
1
3
Conduit
NOTE! Use only water tight conduit fittings and conduits. Conduit fittings and conduits are not part of the scope of supply for the inverter.
4
2 **
1
1
*
**
1/2 in.
*
Connect grid grounding / grounding conductor to the right grounding terminal
Tightening torque:
Stranded wires 1.25 ft. lb.
Solid wires 0.81 ft. lb.
Connect the AC wires to the AC-side terminals depending on the grid and phase quantity of the inverter:
1 phase - 208 V / 240 V 1 phase - 277 V
GET
L1
3 phases - 208 V / 240 V / 277 V
L1
L2
L2
N
L3 N
GET
L1 N N.C.
GET:
Grounding electrode terminal
N.C.:
Not used
NOTE! Form a min. 4 in. wire loop using all wires.
45
Connecting grounding electrode wire
If the photovoltaic system requires a grounding electrode, it should be connected as follows:
1 2
1
2
3
4
2
1/2 in.
1
Tightening torque:
Stranded wires 1.25 ft. lb.
Solid wires 0.81 ft. lb.
NOTE! Form a min. 4 in. wire loop using all wires.
Recommendation for the ACside overcurrent protection
Fronius IG Plus
V 3.0-1
V 3.8-1
V 5.0-1
V 6.0-1
V 7.5-1
V 10.0-1
V 10.0-3
V 11.4-1
V 11.4-3
V 12.0-3
NOTE! To reduce the risk of fire, connect only to a circuit provided with branch circuit overcurrent protection in accordance with the National Electrical Code,
ANSI / NFPA 70, at a MAXIMUM of:
-
208 V
20 A
25 A
30 A
40 A
45 A
60 A
40 A
70 A
40 A
Overcurrent protection
240 V 277 V
20 A
20 A
15 A
20 A
30 A
35 A
40 A
60 A
25 A
30 A
35 A
45 A
35 A
60 A
-
35 A
-
60 A
-
20 A
Additional external AC and/or DC disconnect
Depending on the installation, an additional external AC and/or DC disconnect may be required if the inverter is installed in a location not easily accessible to utility or fire personnel.
Contact your local authorities for additional information.
46
Connecting Solar Module Strings to the Fronius IG
Plus (DC)
General information about solar modules
In order to select suitable solar modules and get the most efficient use out of the inverter, please note the following points:
The open circuit voltage of the solar modules increases as the temperature decreases
(assuming constant irradiance). The open circuit voltage should never rise above 600
V regardless of temperature and an irradiance of 1000 W/m².
If the open circuit voltage exceeds 600 volts, the inverter may be damaged, and all warranty rights will become null and void.
More exact data for sizing the solar array for the particular location can be obtained using calculation tools such as the Fronius Configuration Tool (available at http:// www.fronius-usa.com).
See NEC table 690.7 for the appropriate code-related voltage adjustment factor for crystalline silicon modules, or use the manufacturer’s specified voltage coefficient.
Safety
WARNING! An electric shock can be fatal. Danger due to 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 disconnected from the connection area after first being disconnected 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.
The DC main switch is only used to switch off power to the power stage set. When the DC main switch is turned off, the connection area is still energized.
CAUTION! Danger of damaging the inverter from improperly connected terminals. Improperly connected terminals can cause thermal damage to the inverter and may cause a fire. When connecting the AC and DC cables, make sure that all terminals are tightened securely using the proper torque.
47
DC terminals
DC+ DC-
Polarity Reversal of Solar Module
Strings
The inverter comes standard with 6 metal slugs in fuse holders in the connection area. The inverter is designed so that a reverse polarity of all solar module strings will not cause any damage to the inverter when these metal slugs are used.
CAUTION! However, there is a risk of damage and fire to the inverter due to reverse polarity of a solar module string when the metal slugs are used.
The reverse polarity of a solar module string can cause an unacceptable thermal load, which can lead to an inverter fire.
When using metal slugs, always make sure that the polarity is correct before connecting the individual solar module strings.
If string fuses are used instead of the metal slugs, the reverse polarity of an individual solar module string can cause damage to the inverter and cause an inverter fire.
CAUTION! Risk of damage and fire to inverter due to reverse polarity of solar module strings when using string fuses.
Reverse polarity of solar module strings can lead to an unacceptable overload to a string fuse being used. This can cause a strong arc, which can lead to an inverter fire.
When using string fuses, always make sure that the polarity is correct before connecting the individual solar module strings.
Overview ‘Connecting solar module strings to the Fronius IG Plus (DC)’ includes the following sections:
Connecting solar module strings
Criteria for the proper selection of string fuses
Connecting combined solar module strings using connecting distributors
Solar module ground at positive pole: Connecting solar module strings
Criteria for the proper selection of string fuses
48
Solar module ground at positive pole: Connecting combined solar module strings using connecting distributors
49
Connecting solar module strings
Solar module ground
The inverter is designed for a solar module ground at the negative pole. The solar module ground is carried out via a fuse in the inverter.
Solar module ground at negative pole with fuse:
Solar module
DC+
Inverter
String fuse
DC main switch
=
GFDI fuse
~
DC-
N
L1
L2
L3
GND
WARNING! An electric shock can be fatal. Normally grounded conductors may be ungrounded and energized when a ground fault is indicated. The ground fault has to be repaired before operation is resumed.
NOTE! Do not connect the ground to the negative DC line at any point! This is already done within the inverter. If negative DC lines are connected to the DC terminals or prior to this to the ground, this will circumvent the GFDI protection system, preventing your inverter from properly detecting a fault current.
In addition, turning the DC disconnect to the OFF/open circuit condition will not disconnect the array from ground, as it only disconnects the DC positive.
Wire cross section of solar module strings
WARNING! An electric shock can be fatal. Inadequately sized electrical components can cause serious injuries to persons and damage to (or loss of) property.
All electrical installations must be carried out 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.
Use minimum AWG 14, min. 167 °F (75 °C), copper wire for all grounding wires (see NEC table 250.122).
Use minimum AWG 14 to maximum AWG 6, min. 167°F (75°C), copper wire for all DC wiring connections to the inverter. Voltage drop and other considerations may dictate larger size wires be used.
Use only solid or stranded wire. Do not use fine stranded wire.
NOTE! To ensure an effective strain relief device for solar module strings, only use cable cross sections of the same size.
50
Connecting solar module strings
1
1
2
Conduit
1
3
1
5
NOTE! Use only water tight conduit fittings and conduits. Conduit fittings and conduits are not part of the scope of supply for the inverter.
CAUTION! Danger of damaging the inverter by overload.
Only connect a maximum of 20 A to an individual DC terminal.
Connect the DC+ and DC- cables to the correct DC+ and DC- terminals on the inverter.
4
2
1/2 in.
2
4
4
3
6
1
* Wire for solar module grounding
Tightening torque:
Stranded wires 1.25 ft. lb.
Solid wires 0.81 ft. lb.
51
NOTE! Connecting the DC wiring with the wrong polarity may cause damage to the inverter. Check both the polarity and the open circuit voltage.
The DC Voltage must not exceed 600 V, regardless of temperature.
5 6
7
DC DC +
1
DC-
2
1.33 ft. lb.
3
DC -
1
DC+
2
DC +
DC-
1.33 ft. lb.
Tightening torque for solid and stranded wires
Tightening torque for solid and stranded wires
NOTE! Form a min. 4 in. wire loop using all wires.
2 2
3
2
1
4
8
SM
ON
1
2
3
SM
OFF
IMPORTANT!
Set the jumper from the 'SMON' position to the 'SMOFF' position for correct measurement results
Check the polarity and voltage of the solar module strings: the voltage should be a max. of 600 V, the difference between the individual solar module strings should be a max. of 10 V.
52
9 10
SM
ON
3
2
1
SM
OFF
DC+ DC-
Inserting string fuses
IMPORTANT The inverter is shipped with conductive slugs in the fuse holders. Series fusing may be required depending on the type of solar module used in the system.
See NEC 690.9.
1 Select string fuses according to the information from the solar module manufacturer or as per ‘Criteria for the proper selection of string fuses’ (max. 20 A per individual DC terminal)
IMPORTANT!
Follow all solar module safety instructions
Follow all solar module manufacturer requirements
2
WARNING! An electric shock can be fatal. Danger from DC voltage from solar modules. Fuse covers are for installation purposes only. They offer no protection against contact.
1
DC-
2
NOTE!
Insert fuses only with a fuse cover in the respective fuse holder
Do not operate the inverter without fuse covers
3
4
DC-
53
Criteria for the Proper Selection of String Fuses
DC disconnect requirements
NEC 690.15-18 allows the use of fuse holders as a suitable means of disconnecting PV arrays for servicing.
Additional DC disconnects external to the inverter may be required by the local authority having jurisdiction.
General The use of string fuses in the inverter also adds fuse protection to the solar modules.
A crucial factor for the fuse protection of solar modules is the maximum short circuit current
I sc
of the respective solar module.
Criteria for the proper selection of string fuses
I
N
I
SC
V
N
The following criteria must be fulfilled for each solar module string when using fuse protection:
I
N
> 1.56 x I
SC
I
N
< 2.00 x I
SC
V
N
≥ 600 V DC
Fuse dimensions: Diameter 0.41 x 1.38 - 1.50 in. (10.3 x 35 -38 mm)
Nominal current rating of fuse
Short circuit current for standard test conditions (STC) according to solar module data sheet
Nominal voltage rating of fuse
NOTE! The string fuse size must not be greater than the maximum fuse size rating of the PV module as provided on the PV module manufacturers data sheet. If no maximum fuse size is indicated, please contact the PV module manufacturer.
Effects of Using
Underrated Fuses
In underrated fuses, the nominal current value is less than the short circuit current of the solar module.
Effect:
The fuse may trip in intensive lighting conditions.
Fuse Recommendations
NOTE! Only select fuses suitable for a voltage of 600 V DC.
You should only use the following fuses, which have been tested by Fronius, to ensure problem-free fuse protection:
Littelfuse KLKD fuses
Cooper Bussmann PV fuses
Fronius shall not be liable for any damage or other incidents resulting from the use of other fuses. In addition, all warranty claims are forfeited.
54
Application example
Example: Maximum short circuit current (I
SC
) of the solar module = 5.75 A
According to the criteria for selecting the correct fuse, the fuse must have a nominal current greater than 1.56 times the short circuit current:
5.75 A x 1.56 = 8.97 A
The fuse that should be selected according to the ‘Fuses’ table:
KLK D 9 with 9.0 A and 600 V AC / DC
Fuses
Nominal current value
1.0 A
1.5 A
2.0 A
2.5 A
3.0 A
3.5 A
4.0 A
5.0 A
Fuse
KLK D 1
KLK D 1 1/2
KLK D 2
KLK D 2 1/2
KLK D 3
KLK D 3 1/2
KLK D 4
KLK D 5
Nominal current value
6.0 A
7.0 A
8.0 A
9.0 A
10.0 A
12.0 A
15.0 A
20.0 A
"Fuses" Table: Excerpt of Suitable Fuses, e.g., Littelfuse Fuses
Fuse
KLK D 6
KLK D 7
KLK D 8
KLK D 9
KLK D 10
KLK D 12
KLK D 15
KLK D 20
55
Connecting combined solar module strings using connecting distributors
General If several solar module strings are combined outside of the inverter into one solar module string, the current of the solar module string can be higher than the current permitted for a
DC terminal (20 A).
In this case, you have the option of connecting the DC cables to the inverter using a connecting distributor.
Additional components required
The following components are required for connecting DC cables via a connecting distributor:
2 connecting distributors (available from Fronius as an option)
Cable lugs
Select the cable lugs according to the available DC cables
Hexagon screws
Hexagon nuts that fit the cable lugs
Option
Solar module ground
The inverter is designed for a solar module ground at the negative pole. The solar module ground is carried out via a fuse in the inverter.
Solar module ground at negative pole with fuse:
Solar module
DC+
Inverter
String fuse
DC main switch
=
GFDI fuse
~
DC-
N
L1
L2
L3
GND
56
WARNING! An electric shock can be fatal. Normally grounded conductors may be ungrounded and energized when a ground fault is indicated. The ground fault has to be repaired before operation is resumed.
NOTE! Do not connect the ground to the negative DC line at any point! This is already done within the inverter. If negative DC lines are connected to the DC terminals or prior to this to the ground, this will circumvent the GFDI protection system, preventing your inverter from properly detecting a fault current.
In addition, turning the DC disconnect to the OFF/open circuit condition will not disconnect the array from ground, as it only disconnects the DC positive.
Safety
Connecting combined solar module strings using connecting distributors
1
WARNING! An electric shock can be fatal. Inadequately sized electrical components can cause serious injuries to persons and damage to (or loss of) property.
All electrical installations must be carried out 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.
Use copper wires for all grounding cables.
See NEC section 250 for correct grounding.
Use only solid or stranded wire. Do not use fine stranded wire.
2
Conduit
1
1
NOTE! Use only water tight conduit fittings and conduits. Conduit fittings and conduits are not part of the scope of supply for the inverter.
57
3
DC+
1
4 3
2
5
4
4
1/2 in.
2
1
3
* Wire for solar module grounding
Tightening torque:
Stranded wires 1.25 ft. lb.
Solid wires 0.81 ft. lb.
NOTE! Connecting the DC wiring with the wrong polarity may cause damage to the inverter. Check both the polarity and the open circuit voltage.
The DC Voltage must not exceed 600 V, regardless of temperature.
58
5
7
DC+
1
1/2 in.
2
6
8
DC+
3
1
3
4
6x
2
1.33 ft. lb.
1
3
DC-
3
2
1/2 in.
DC-
3
1
4
6x
2
1.33 ft. lb.
NOTE! Form a min. 4 in. wire loop using all wires.
CAUTION! Danger of damaging the inverter by overload. Before start-up operation make sure that there is a conductive slug in each fuse holder for string fuses.
Insert conductive slugs only with a fuse cover in the respective fuse holder
Do not operate the inverter without fuse covers
59
Solar Module Ground at Positive Pole: Connecting
Solar Module Strings
General The following steps are necessary when the solar module manufacturer requires a solar module ground at the positive pole.
Solar module ground at positive pole
Solar module ground at positive pole with fuse:
Inverter Solar module
DC+
DC-
String fuse
DC main switch
=
GFDI fuse
~
N
L1
L2
L3
GND
WARNING! An electric shock can be fatal. Normally grounded conductors may be ungrounded and energized when a ground fault is indicated. The ground fault has to be repaired before operation is resumed.
NOTE! Do not connect the ground to the positive DC line at any point! This is already done within the inverter. If positive DC lines are connected to the DC terminals or prior to this to the ground, this will circumvent the GFDI protection system, preventing your inverter from properly detecting a fault current.
In addition, turning the DC disconnect to the OFF/open circuit condition will not disconnect the array from ground, as it only disconnects the DC negative.
Wire cross section of solar module strings
WARNING! An electric shock can be fatal. Inadequately sized electrical components can cause serious injuries to persons and damage to (or loss of) property.
All electrical installations must be carried out 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.
Use minimum AWG 14, min. 167 °F (75 °C), copper wire for all grounding wires (see NEC table 250.122).
Use minimum AWG 14 to maximum AWG 6, min. 167°F (75°C), copper wire for all DC wiring connections to the inverter. Voltage drop and other considerations may dictate larger size wires be used.
Use only solid or stranded wire. Do not use fine stranded wire.
60
Solar module ground at positive pole: Connecting solar module strings
1
NOTE! To ensure an effective strain relief device for solar module strings, only use cable cross sections of the same size.
2
Conduit
1
1
3
1
5
NOTE! Use only water tight conduit fittings and conduits. Conduit fittings and conduits are not part of the scope of supply for the inverter.
4
2
1/2 in.
2
4
4
3
6
1
* Wire for solar module grounding
Tightening torque:
Stranded wires 1.25 ft. lb.
Solid wires 0.81 ft. lb.
61
5
DC +
2
1
DC -
4
3
After disconnecting the DC main switch wires:
Connect the DC+ wire to the DC- connection as per step 6
Connect the DC- wire to the DC+ connection as per step 6
Identify the reversed polarity with (+) and (-) according to steps 7 and 8
6
DC +
1
2
3
DC -
1
4
5
7
DC
+
1
DC
-
2
8
DC -
1
DC +
2
62
NOTE! Connecting the DC wiring with the wrong polarity may cause damage to the inverter. Check both the polarity and the open circuit voltage.
The DC Voltage must not exceed 600 V, regardless of temperature.
9
CAUTION! Danger of damaging the inverter by overload.
Only connect a maximum of 20 A to an individual DC terminal.
Connect the DC+ wire to the right connection of the inverter's DC terminals.
Connect the DC- wire to the left connection of the inverter's DC terminals.
Identify the reversed polarity with (+) and (-) according to step 11
10
1.33 ft. lb.
1.33 ft. lb.
Tightening torque for solid and stranded wires
11
DC
+
1
DC
-
2
Tightening torque for solid and stranded wires
NOTE! Form a min. 4 in. wire loop using all wires.
DC +
DC-
DC -
3
DC -
DC+
DC +
4
DC -
DC-
DC +
DC+
63
12
2 2
3
2
1
4
13
SM
ON
1
2
3
SM
OFF
IMPORTANT!
Set the jumper from the 'SM
ON ment results
' position to the 'SM
OFF
' position for correct measure-
Check the polarity and voltage of the solar module strings: the voltage should be a max. of 600 V, the difference between the individual solar module strings should be a max. of 10 V.
14 15
SM
ON
3
2
1
SM
OFF
Inserting string fuses
IMPORTANT The inverter is shipped with conductive slugs in the fuse holders. Series fusing may be required depending on the type of solar module used in the system.
See NEC 690.9.
1 Select string fuses according to the information from the solar module manufacturer or as per ‘Criteria for the proper selection of string fuses’ (max. 20 A per individual DC terminal)
IMPORTANT!
Follow all solar module safety instructions
Follow all solar module manufacturer requirements
WARNING! An electric shock can be fatal. Danger from DC voltage from solar modules. Fuse covers are for installation purposes only. They offer no protection against contact.
64
2
1
3
DC-
2
4
DC-
NOTE!
Insert fuses only with a fuse cover in the respective fuse holder
Do not operate the inverter without fuse covers
65
Criteria for the Proper Selection of String Fuses
DC disconnect requirements
NEC 690.15-18 allows the use of fuse holders as a suitable means of disconnecting PV arrays for servicing.
Additional DC disconnects external to the inverter may be required by the local authority having jurisdiction.
General The use of string fuses in the inverter also adds fuse protection to the solar modules.
A crucial factor for the fuse protection of solar modules is the maximum short circuit current
I sc
of the respective solar module.
Criteria for the proper selection of string fuses
I
N
I
SC
V
N
The following criteria must be fulfilled for each solar module string when using fuse protection:
I
N
> 1.56 x I
SC
I
N
< 2.00 x I
SC
V
N
≥ 600 V DC
Fuse dimensions: Diameter 0.41 x 1.38 - 1.50 in. (10.3 x 35 -38 mm)
Nominal current rating of fuse
Short circuit current for standard test conditions (STC) according to solar module data sheet
Nominal voltage rating of fuse
NOTE! The string fuse size must not be greater than the maximum fuse size rating of the PV module as provided on the PV module manufacturers data sheet. If no maximum fuse size is indicated, please contact the PV module manufacturer.
Effects of Using
Underrated Fuses
In underrated fuses, the nominal current value is less than the short circuit current of the solar module.
Effect:
The fuse may trip in intensive lighting conditions.
Fuse Recommendations
NOTE! Only select fuses suitable for a voltage of 600 V DC.
You should only use the following fuses, which have been tested by Fronius, to ensure problem-free fuse protection:
Littelfuse KLKD fuses
Cooper Bussmann PV fuses
Fronius shall not be liable for any damage or other incidents resulting from the use of other fuses. In addition, all warranty claims are forfeited.
66
Application example
Example: Maximum short circuit current (I
SC
) of the solar module = 5.75 A
According to the criteria for selecting the correct fuse, the fuse must have a nominal current greater than 1.56 times the short circuit current:
5.75 A x 1.56 = 8.97 A
The fuse that should be selected according to the ‘Fuses’ table:
KLK D 9 with 9.0 A and 600 V AC / DC
Fuses
Nominal current value
1.0 A
1.5 A
2.0 A
2.5 A
3.0 A
3.5 A
4.0 A
5.0 A
Fuse
KLK D 1
KLK D 1 1/2
KLK D 2
KLK D 2 1/2
KLK D 3
KLK D 3 1/2
KLK D 4
KLK D 5
Nominal current value
6.0 A
7.0 A
8.0 A
9.0 A
10.0 A
12.0 A
15.0 A
20.0 A
"Fuses" Table: Excerpt of Suitable Fuses, e.g., Littelfuse Fuses
Fuse
KLK D 6
KLK D 7
KLK D 8
KLK D 9
KLK D 10
KLK D 12
KLK D 15
KLK D 20
67
Solar module ground at positive pole: Connecting combined solar module strings using connecting distributors
General The following steps are necessary when the solar module manufacturer requires a solar module ground at the positive pole.
If several solar module strings are combined outside of the inverter into one solar module string, the current of the solar module string can be higher than the current permitted for a
DC terminal (20 A).
In this case, you have the option of connecting the DC cables to the inverter using a connecting distributor.
Additional components required
The following components are required for connecting DC cables via a connecting distributor:
2 connecting distributors (available from Fronius as an option)
Cable lugs
Select the cable lugs according to the available DC cables
Hexagon screws
Hexagon nuts that fit the cable lugs
Option
68
Solar module ground at positive pole
Solar module ground at positive pole with fuse:
Inverter Solar module
DC+
DC-
String fuse
DC main switch
=
GFDI fuse
~
N
L1
L2
L3
GND
WARNING! An electric shock can be fatal. Normally grounded conductors may be ungrounded and energized when a ground fault is indicated. The ground fault has to be repaired before operation is resumed.
NOTE! Do not connect the ground to the positive DC line at any point! This is already done within the inverter. If positive DC lines are connected to the DC terminals or prior to this to the ground, this will circumvent the GFDI protection system, preventing your inverter from properly detecting a fault current.
In addition, turning the DC disconnect to the OFF/open circuit condition will not disconnect the array from ground, as it only disconnects the DC negative.
Safety
WARNING! An electric shock can be fatal. Inadequately sized electrical components can cause serious injuries to persons and damage to (or loss of) property.
All electrical installations must be carried out 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.
Use copper wires for all grounding cables.
See NEC section 250 for correct grounding.
Use only solid or stranded wire. Do not use fine stranded wire.
69
Solar module ground at positive pole: Connecting combined solar module strings using connecting distributors
1
1
2
Conduit
1
3
NOTE! Use only water tight conduit fittings and conduits. Conduit fittings and conduits are not part of the scope of supply for the inverter.
4
5
DC-
1
4 3
2
5
DC +
2
1
DC -
4
3
2
1
* Wire for solar module grounding
Tightening torque:
Stranded wires 1.25 ft. lb.
Solid wires 0.81 ft. lb.
After disconnecting the DC main switch wires:
Connect the DC+ wire to the DC- connection as per step 6
Connect the DC- wire to the DC+ connection as per step 6
Identify the reversed polarity with (+) and (-) according to steps 7 and 8.
70
6
DC +
1
2
3
DC -
1
4
5
7
DC
+
1
DC
-
2
8
DC -
1
DC +
2
NOTE! Connecting the DC wiring with the wrong polarity may cause damage to the inverter. Check both the polarity and the open circuit voltage.
The DC Voltage must not exceed 600 V, regardless of temperature.
CAUTION! Danger of damaging the inverter by overload.
Connect the DC+ wire to the right connection of the inverter's DC terminals.
Connect the DC- wire to the left connection of the inverter's DC terminals.
Identify the reversed polarity with (+) and (-) according to step 14.
71
7
9
DC-
1
1/2 in.
2
8
10
DC-
3
1
3
4
6x
2
1.33 ft. lb.
1
DC+
3
2
1/2 in.
DC+
3
3
1
4
6x
2
1.33 ft. lb.
NOTE! Form a min. 4 in. wire loop using all wires.
CAUTION! Danger of damaging the inverter by overload. Before start-up operation make sure that there is a conductive slug in each fuse holder for string fuses.
Insert conductive slugs only with a fuse cover in the respective fuse holder
Do not operate the inverter without fuse covers
72
Attaching power stage sets and closing the Fronius
IG Plus
Preparation
1
1
1
2
3
Attaching power stage sets and closing the Fronius IG Plus
1
1
2
2
1 1
2
3
The inverter is now operational.
73
Commissioning
Factory pre-set configuration
The inverter has been pre-configured in the factory and is ready for operation. You only have to set the available power grid for startup.
To change your inverter settings, please see section ‘The setup menu’ in the chapter ‘Operation.’
Requirements for start-up operation
Inverter connected to the public grid (AC)
Inverter connected to solar modules (DC)
3 plastic dividers inserted
2 metal covers mounted
Power stage set mounted
NOTE! Do not operate the inverter without fuse covers.
Commissioning
ON
1 on off
AC
1
2
Turn on AC disconnect
Flip DC main switch to position - 1 -
As soon as the photovoltaic modules produce sufficient power, the Operating Status
LED lights up orange.
The orange LED indicates that the feed-in mode of the inverter will begin shortly.
2
The screen displays the startup phase.
Segment test
All display elements light up for about one second.
74
The inverter goes through a master check list for several seconds.
The display shows ‘TEST’ and indicates the respective component that is being tested (for example, ‘LED’).
The grid selection phase begins: 'SE-
TUP SEL' is shown.
3
Press the ‘Enter’ key
The first grid selection option is shown
(e.g., 208 V).
4
Select the grid
Selecting the grid Several grid selection options are displayed depending on the product type (see also section 'Connecting the Fronius IG Plus to the public grid’).
1
Use the ‘Up’ and ‘Down’ keys to select the desired grid:
Grid voltage 208 V Delta
No neutral conductor in the system
Neutral conductor monitoring is deactivated
L1
=
~
12
0 °
20
8 V
L3 208 V
=
120 °
~
20
8 V
12
0 °
=
~
L2
75
Grid voltage 208 V Delta: 120 V WYE
Neutral conductor available in the system
Neutral conductor monitoring is activated
Grid voltage 240 V Delta
No neutral conductor in the system
Neutral conductor monitoring is deactivated
=
~
L1
12
0 °
L3
208 V
208 V
120 V
208 V
N
120 V
12
0
°
L2
=
~
=
120 °
~
L1
= 12
0
°
24
0 V
24
0 V
12
0 °
=
~ ~
L3 240 V
=
120 °
~
L2
L3
=
~
12
0 °
24
0 V
240
V
12
0 °
L2 120 V
N
120 V L1
=
120 °
~
=
~
76
Grid voltage 240 V: 120 V Stinger
Neutral conductor available in the system
Neutral conductor monitoring is activated
Grid voltage 240 V: 120 V Split Phase
Neutral conductor available in the system
Neutral conductor monitoring is activated
L3
=
~
12
0 °
24
0 V
24
0 V
12
0 °
L2 120 V
N
120 V L1
=
120 °
~
180 °
=
~
L 1
120 V
N
120 V
L 2
Startup phase during startup operation
240 V
Grid voltage 480 V Delta: 277 V WYE
Neutral conductor available in the system
Neutral conductor monitoring is activated
=
~
=
~
L1
12
0 °
L3
48
0 V
27
7 V
480 V
48
0V
N
27
7 V
12
0
°
L2
=
~
=
120 °
~
2
Press the 'Enter' key 2x to confirm your grid selection (or use the 'Esc' key to return to grid selection)
The startup phase restarts with the segment test.
Segment test
All display elements light up for about one second.
77
The inverter goes through a master check list for several seconds.
The display shows ‘TEST’ and indicates the respective component that is being tested (for example, ‘LED’)
‘TEST COM’ is shown.
Synchronization with grid:
‘WAIT PS’ is displayed, the inverter icon flashes: the inverter is waiting for all power stage sets in the network to be on stand-by. This procedure takes place dependent on the DC voltage.
Next, the display shows ‘SYNC AC,’ the grid icon flashes.
78
Startup test:
Before the inverter starts feeding energy into the grid, the conditions of the grid are tested in detail in accordance with local regulations. The display shows ‘START UP.’
Operation of feeding energy into the grid:
After selecting the grid and when the tests are concluded, the inverter starts feeding energy into the grid.
The display shows the present power feeding into the grid.
The Operating Status LED lights up green, and the inverter starts operating.
IMPORTANT! For more information about the startup phase, please see the chapter 'Operation', section 'Product description Fronius IG Plus' (Startup Phase, Test Procedure).
Setting inverter for solar module ground at the positive pole
If the inverter will be operated with solar modules that require a solar module ground at the positive pole, the corresponding grounding method must be set in the ‘Basic Service’ menu.
A 5-digit code is required for accessing the ‘Basic Service’ menu. This access code will be provided by Fronius upon request.
If solar modules are connected to the inverter that require a solar module ground at the positive pole, the status message 472 "Ground fault detected" will be displayed after the inverter is turned on and the startup phase is completed.
1 Press the unoccupied ‘Esc’ key 5 x
‘CODE’ is displayed, the first digit flashes.
2
Use the ‘Up’ and ‘Down’ keys to select a value for the first digit of the access code
3
Press the ‘Enter’ key
The second digit flashes.
4 Use the ‘Up’ and ‘Down’ keys to select a value for the second digit of the access code
5 Press the ‘Enter’ key
The third digit flashes.
6 Use the ‘Up’ and ‘Down’ keys to select a value for the third digit of the access code
7
Press the ‘Enter’ key
79
*)
The fourth digit flashes.
8 Use the ‘Up’ and ‘Down’ keys to select a value for the fourth digit of the access code
9
Press the ‘Enter’ key
The fifth digit flashes.
10
Use the ‘Up’ and ‘Down’ keys to select a value for the fifth digit of the access code
11
Press the ‘Enter’ key
The access code flashes.
*) ... Code example
12
Press the ‘Enter’ key
The inverter is now in the ‘Basic Service’ menu, the first parameter is displayed:
‘MIX MODE’ for multiphase inverters
‘DC MODE’ for single-phase inverters
13
Use the ‘Up’ and ‘Down’ keys to select the ‘GND MODE’ parameter
14
Press the ‘Enter’ key
The set grounding method is displayed.
15
Use the ‘Up’ and ‘Down’ keys to select the corresponding ‘POS GND’ grounding method:
POS = solar module ground at the positive pole
16
17
Press the ‘Enter’ key to apply the required grounding method
Press the ‘Esc’ key to exit the ‘Basic
Service’ menu
80
Inserting Option Cards
Suitable option cards
There are several options and system upgrades available for the inverter, e.g.:
Datalogger and modem interface, Ethernet/Internet connection (for using a PC to record and manage data from your photovoltaic system)
Various large displays (Fronius Public Display)
Fronius Personal Display
System upgrades are available as plug-in cards and as external boxes. The Fronius IG
Plus 12.0-3 WYE 277 is designed for three option cards, all other Fronius IG Plus products are designed for two option cards.
Safety
WARNING! An electric 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.
Never work with live wires! Prior to all connection work, make sure that the
AC and DC wires are not charged.
All electrical installations must be carried out 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.
WARNING! An electric shock can be fatal. Danger from residual voltage from capacitors.
You must wait until the capacitors have discharged. Discharge takes 5 minutes.
NOTE! Follow general ESD precautions when handling option cards.
Opening the inverter
When adding option cards to the inverter, please follow all inverter safety instructions and information before opening the inverter.
1 2
1 on off
OFF
AC
3
4
1
2
2
81
3
1
Inserting option cards into the
Fronius IG Plus V
1
IMPORTANT! The plastic dividers are used to separate the data communication wires from the AC and DC wires:
Data communication wires must be laid above the plastic dividers
AC and DC wires are laid under the plastic dividers
Make sure that the plastic dividers are present.
4
3
1
2
2
1
2
3
4
Termination plug when networking several DATCOM components
IMPORTANT! When networking several DATCOM components, a termination plug must be placed on each free IN and/or OUT connection of a DATCOM component.
82
Connecting option cards, laying data communication wires
1
CAUTION! Danger of short circuit by loose metal parts from knockouts. Loose metal parts in the inverter may cause short circuits when the inverter is powered up. When removing knockouts, make sure that
no loose metal parts fall into the inverter
any metal pieces that do fall into the inverter are removed immediately
NOTE! The knockout for the data communication wires must be above the plastic dividers so that the plastic dividers are always under the data communication wires.
2
*
1
3
Conduit
1
* Position of plastic dividers
NOTE! Use only water tight conduit fittings and conduits. Conduit fittings and conduits are not part of the scope of supply for the inverter.
4
2
1
1
2
1
2 2
3 =
4 = one wire input for both data communication wires separated wire inputs on opposite sides (e.g., when several inverters are installed next to each other)
83
Closing the inverter
1
3
ON
1 on off
AC
2
2
3
1
4
1
2
84
Data Communication and Solar Net
Solar Net and data interface
Fronius developed Solar Net to make these add-on system components flexible and capable of being used in a wide variety of different applications. Solar Net is a data network that enables several inverters to be linked with the data communications components.
Solar Net is a bus system. A single cable is all that is required for one or more inverters to communicate with all system upgrade components.
The core of the Solar Net is the Fronius Datalogger. It coordinates data transmissions and ensures that even large volumes of data are distributed quickly and securely.
The ‘Fronius Com Card’ is used to integrate the inverter into Solar Net.
Important Every inverter that is to be monitored using a Datalogger requires a ‘Fronius
Com Card.’ In this case, the ‘Fronius Com Card’ serves as a link between the internal network of the inverter and the Solar Net interface of the Datalogger.
Important Each inverter can have only one ‘Fronius Com Card.’ A network may only contain one Fronius Datalogger.
The first inverter with a ‘Fronius Com Card’ can be positioned up to 3280 ft. (1000 m) away from the last inverter with a ‘Fronius Com Card.’
Different system upgrades are detected automatically by Solar Net.
In order to distinguish among several identical system upgrades, each one must be assigned a unique number.
In order to uniquely identify each inverter in Solar Net, each inverter must also be assigned an individual number.
You can assign individual numbers as per ‘The setup menu’ section in this manual.
More detailed information on the individual data communications components can be found in the relevant operating instructions or on the Internet at http:\\www.froniususa.com.
Example Logging and archiving inverter and sensor data using a Fronius Datalogger and Fronius
Sensor Box:
Fronius
IG Plus
1
IN OUT
Fronius
IG Plus
2
PC
OUT
°C
Sensor Box
W/m²
IN OUT m/s
IN
Fronius
IG Plus
3
IN OUT
= Terminating plug
85
Illustration explanation: Data network with 3 Fronius IG Plus units and one Fronius Sensor
Box:
all Fronius IG Plus units have one 'Fronius COM Card'
one Fronius IG Plus has a 'Fronius Datalogger Card' (no. 2)
Fronius Datalogger has two RS-232 interfaces for connecting to a PC and a modem
Option cards communicate within the Fronius IG Plus via its internal network. External communication (Solar Net) takes place via the 'Fronius Com Cards.' Each 'Fronius Com
Card' is equipped with two RS485 interfaces - an input and an output. RJ45 plug connectors are used to connect to these cards.
86
Selecting the interface protocol and setting the inverter baud rate
General If a data communication connection is required between the inverter and other Fronius data communication components, the ‘Interface protocol’ must be set in the ‘Basic Service’ menu.
The following 5-digit access code must be entered to access the ‘Basic Service’ menu:
22742
Entering the access code
1 Press the ‘Menu’ key
‘Menu’ is shown.
2 Select the ‘Setup’ mode using the ‘Left’ or ‘Right’ keys
3 Press the unoccupied ‘Menu/Esc’ key
5 x
‘CODE’ is displayed, the first digit flashes.
4
Enter the access code 22742:
Use the ‘Up’ and ‘Down’ keys to select a value for the first digit of the access code
5 Press the ‘Enter’ key
The second digit flashes.
6
Repeat steps 4 and 5 for the second, third, fourth and fifth digit of the access code until ...
87
Selecting the interface protocol for communication with other data communication components
... the access code flashes.
14
Press the ‘Enter’ key
The inverter is now in the ‘Basic Service’ menu, the first parameter is displayed:
‘MIX MODE’ for multiphase inverters
‘DC MODE’ for single-phase inverters
The inverter is in the ‘Basic Service’ menu, the first parameter is displayed:
‘MIX MODE’ for multiphase inverters
‘DC MODE’ for single-phase inverters
88
89
1
Use the ‘Up’ and ‘Down’ keys to select the ‘COMM’ parameter
2
Press the ‘Enter’ key
‘MODE’ is shown.
3
Press the ‘Enter’ key
The set protocol type is displayed.
4 Use the ‘Up’ and ‘Down’ keys to select the ‘IFP’ protocol type (interface protocol):
5 Press the ‘Enter’ key to apply the ‘IFP’ protocol type.
The ‘IFP’ protocol type is applied, ‘MODE’ is displayed.
For setting the inverter baud rate without exiting the ‘Basic Service’ menu follow the steps in the enclosed section ‘Setting the
Inverter baud rate’, starting from step 3.
6 Press the ‘Esc’ key 2 x to exit the ‘Basic
Service’ menu
Setting the inverter baud rate
90
The inverter is in the ‘Basic Service’ menu, the first parameter is displayed:
‘MIX MODE’ for multiphase inverters
‘DC MODE’ for single-phase inverters
1
Use the ‘Up’ and ‘Down’ keys to select the ‘COMM’ parameter
2
Press the ‘Enter’ key
‘MODE’ is shown.
3 Use the ‘Up’ and ‘Down’ keys to select the ‘IFP’ parameter
4 Press the ‘Enter’ key
‘BAUD’ is displayed
5 Press the ‘Enter’ key
The set baud rate is displayed.
6
Use the ‘Up’ and ‘Down’ keys to select the desired baud rate:
2400 / 4800 / 9600 / 14400 / 19200
7
Press the ‘Enter’ key
The selected baud rate is applied, ‘BAUD’ is displayed.
8
Press the ‘Esc’ key 3 x to exit the ‘Basic
Service’ menu
The inverter begins the startup phase after exiting the ‘Basic Service’ menu.
91
92
Operation
Product Description Fronius IG Plus
Controls and Indicators
(1)
(2)
Display
(6) (5)
Item Function
(1)
(2)
(3)
(4)
Display for displaying values, settings and menus
Operating Status LED for displaying the operating status
"Enter" key for confirming a selection
"Menu / Esc" key for scrolling through menu options for exiting the Setup menu
(5)
(6)
"Down/Right" key depending on the selection: for navigating down for navigating right
"Left/Up" key depending on the selection: for navigating left for navigating up
(4) (3)
The display unit's power is supplied via the safety-low voltage of the solar modules, which means that the display unit can be used only in the daytime.
IMPORTANT! The inverter display is not a calibrated measuring instrument. A slight inaccuracy of a few percent is intrinsic to the system. A calibrated meter will be needed to make calculations for the power supply company.
95
(1) (2) (3) (4) (5)
(13)
(12)
(6)
(7)
(11) (10) (9) (8)
(7)
(8)
(9)
(10)
(11)
(12)
(4)
(5)
(6)
Item
(1)
(2)
(3)
Function
Icons for the "Now" display mode
Icons for the "Day" display mode
Icons for the "Year" display mode
Icons for the "Total" display mode
Icons for the "Setup" display mode
Icons for operating conditions
The value shown represents the maximum value within the period of observation (depending on which display mode is selected).
The value shown represents the minimum value within the period of observation (depending on which display mode is selected).
Important The minimum and maximum values displayed do not represent the absolute extreme values, because data are recorded only at two-second intervals.
... appears when values are displayed which are directly associated with the solar modules
... appears when values are displayed which are directly associated with the public grid
... appears with data readings that are directly related to the inverter
Range for display unit for displaying the applicable measuring unit
Icon for the "Enter" key
Icons for the "Menu/Esc" key
Icons for the "Down/Right" key
Icons for the "Left/Up" key
Range for display value for displaying the value
96
Operating Status
LED
Item
(13)
Function
Output bar (not active during setup) indicates the output power fed into the grid at a given moment - regardless of the display mode chosen. The screen displays % of the maximum possible output power of your solar inverter
Position of Operating Status LED on the inverter
Depending on the operating status, the
Operating Status LED assumes different colors:
Operating Status LED Explanation
Steady green The LED stays lit after the automatic startup phase of the inverter as long as power is being fed into the grid.
It indicates problem-free operation of the photovoltaic system.
Flashing green The photovoltaic system is working correctly, a status code is on the display.
Steady orange
Flashes orange
When a status code is shown, rectify the relevant condition by going to the "Maintenance and Service" chapter, "Status Diagnosis and Troubleshooting" section. The status code can be acknowledged by pressing the "Enter" key.
The inverter enters an automatic startup phase as soon as the solar modules are delivering sufficient power after sunrise.
A warning is shown on the display or
the inverter has been set to standby operation in the Setup menu (= manual shutoff of operation).
The next day, operation will resume automatically.
Steady red
Remains dark
During the time the LED flashes orange, operation can be resumed manually at any time (see section "The Setup Menu")
General status: the respective status code is shown on the screen
There is no connection to the solar modules, no solar module power due to darkness.
A list of most status codes, the corresponding status information, their status causes and repair measures can be found in the chapter "Troubleshooting and Maintenance," section
"Status Diagnosis and Troubleshooting."
97
Startup Phase and Grid Feed-in Mode
Startup phase The inverter carries out a self test after being turned on automatically. Then a test of the public grid is carried out. This test takes five minutes. During the startup sequence the illumination of the Operating Status LED is yellow.
Test procedure 1.
Segment test
All display elements light up for about one second
2.
Self test of essential inverter components
The inverter goes through a master check list for several seconds
The display shows ‘TEST’ and indicates the respective component that is being tested (for example, ‘LED’)
3.
Synchronization with grid:
‘WAIT PS’ is displayed, the inverter icon flashes: The inverter is waiting for all power stage sets in the network to be on stand-by. This procedure takes place dependent on the DC voltage
Next, the display shows ‘SYNC AC,’ the grid icon flashes.
4.
Startup test
Before the inverter starts feeding energy into the grid, the conditions of the grid are tested in accordance with local regulations.
The display shows ‘START UP.’
98
The startup test takes five minutes. The time elapsed is indicated by a bar shrinking from the top down.
Whenever two scale divisions stop flashing and disappear, 1/10 of the total duration of the test is over.
Operation of
Feeding Energy into the Grid
Once the tests have been completed, the inverter starts feeding power into the grid.
The display shows the present power feeding into the grid.
The Operating Status LED lights up green, and the inverter starts operating.
99
Navigation in the Menu Level
Activating display illumination
1
Press any key
The display illumination is activated.
If no key is pressed for 30 seconds, the display backlight goes out (provided that the display illumination is set to automatic in the Setup menu).
The Setup menu also offers a choice between a permanently lit or permanently dark display.
Accessing the
Menu Level
1
Press the "Menu" key (1)
(1)
"Menu" will appear on the display
The inverter is now in the menu level.
From the menu level you can
set the desired display mode
access the Setup menu
100
The Display Modes
The Display
Modes
"Now" display mode
"Day" display mode
"Year" display mode
"Total" display mode
...... Displays real-time values
...... Displays values for power fed into the grid during that day
...... Displays values for the present calendar year - only available in combination with optional Fronius Datalogger
...... Displays values for power fed into the grid since the inverter was started for the first time
Selecting a Display Mode
(1) (2) (3) (4)
1
2
Accessing the menu level
Use the "left" (7) or "right" (6) keys to select your preferred display mode (1)
- (4)
3 Press "Enter" (5)
(7) (6) (5)
The selected display mode is shown, e.g.,
"Day" display mode.
IMPORTANT! The "Year" menu option is supported only when the optional Fronius
Datalogger is connected. This system upgrade includes a real-time clock.
101
Overview of Display Values x
Display mode
"Now"
"Day"
"Year"
"Total"
Symbol Unit
W
V
A
Hz
V
A
Mohm
HH:MM kWh / MWh
Currency kg / T
W
Optional
-
-
-
-
-
-
x
-
-
-
-
Display value
Output power
Grid voltage
Output current
Grid frequency
Solar module voltage
Solar module current
Insulation resistance
Time
Energy fed into the grid
Return
CO
2
reduction
Max. output power
V
V -
Maximum grid voltage
Minimum grid voltage
V Maximum array voltage
HH:MM Service hours completed by the inverter
Optional
If the DatCom component for the required options is not available, the message
"N.A." (not available) is shown.
102
Display Values in "Now" Display Mode
Selecting the
"Now" Display
Mode
1
Select the "Now" display mode
The first display value in the "Now" display mode appears
2
Use the "Down" (2) key to scroll to the next display value
Scroll back using the "Up" key (1)
(1) (2)
Display values in the ‘Now’ display mode
*) only for multi-phase inverters
Output power power supplied to grid at the particular moment (Watts)
AC grid voltage
(Volts)
*)
Output current current supplied to the grid at the particular moment (Amperes)
*)
Grid frequency
(Hertz)
Solar module voltage voltage of the solar array at the particular moment (Volts)
103
Solar module current current supplied by solar array at the particular moment (Amperes)
GFDI status
If there is no ground fault in the system,
‘GFDI OK’ is displayed
NL-MON communication
When there is communication with the
‘NL-MON’ plug-in card, ‘NLMON OK’ is displayed
Time (optional datalogger)
When the time on the inverter or on a datalogger is changed, this changes the time on all devices connected via Solar Net.
Options If the DatCom component for the required options is not available, the message "N.A." (not available) is shown.
104
Display Values in "Day / Year / Total" Display Modes
General For the Fronius IG Plus unit, the day begins when it switches on. If the DC supply line is disconnected and no Fronius Datalogger is connected, the following parameters within the display mode ‘Day’ will be reset after repeating the start-up:
yield (currency can be selected)
CO
2
reduction (lbs.)
maximum power supplied (Watts)
maximum grid voltage (Volts)
minimum grid voltage (Volts)
operating hours for Fronius IG Plus unit
If an optional datalogger is available, the display values listed always apply for the whole day.
Selecting "Day /
Year / Total" Display Mode
First Display Value in the "Day" Display
Mode:
First Display Value in the "Year" Display
Mode:
(1) (2) (1) (2)
105
First Display Value in the "Total" Display
Mode:
1
Select the "Day" or
"Year" or
"Total" display mode
The first display value in the selected display mode appears.
2
Use the "Down" (2) key to scroll to the next display value
Scroll back using the "Up" key (1)
(1) (2)
Display values in the ‘Day / Year /
Total’ display modes
Output energy
Energy supplied during the monitored period (kWh / MWh)
Due to the variety of different monitoring systems, there can be deviations between the readings of other metering instruments as compared to the readings from the inverter. For determining the energy supplied to the grid, only the readings of the calibrated meter supplied by the electric utility company are relevant.
Yield
Money earned during the monitored period (set currency and price per kWh in setup menu)
As was the case for the output energy, readings may differ from those of other instruments.
‘The Setup Menu’ section describes how to set the currency and rate for the energy supplied. The factory setting depends on the respective country-specific setting.
106
Options
CO2 reduction
CO2 emissions saved during the monitored period
(lb or T; pounds or tons)
The area for unit display switches between ‘lb’ or ‘T’ and ‘CO2.’
The CO2 meter gives an indication of CO2 emissions that would be released during the generation of the same amount of electricity in a combustion power plant.
This factory setting for this is 1.3 lb/kWh.
Maximum output power
Highest output power during the observation period (watts)
Maximum grid voltage
Highest reading of grid voltage (V) during the observation period
Minimum grid voltage
Lowest reading of grid voltage (V) during the observation period
Maximum solar module voltage
Highest reading of solar module voltage
(V) during the observation period
Operating hours
Indicates how long the inverter has been operating
(HH:MM)
Duration of operation is shown in hours and minutes up to 999 h and 59 min (display:
‘999:59’). After that only full hours are displayed.
Although the inverter does not operate during the night, all sensor data are recorded around the clock.
If the DatCom component for the required options is not available, the message "N.A." (not available) is shown.
107
The Setup Menu
Presetting The inverter is pre-configured and ready to use. No manual control is necessary for feeding the power it generates into the grid.
The setup menu allows easy readjustment of the inverter's preset parameters to your needs.
Accessing the
Setup Menu
(1)
1
2
3
Switch to the menu level (press the
"Menu" key)
Select the "Setup" (1) mode using the
"Left" (4) or "Right" (3) keys
Press "Enter" (2)
(4) (3) (2)
The Setup Menu’s first menu item "STAND-
BY" is shown.
108
Scrolling through
Menu Items
Example: "STANDBY" menu item Example: "CONTRAST" menu item
(1) (2) (1) (2)
1
2
Access the Setup menu
Scroll through the available menu items using the "Up" (1) and "Down" (2) keys
109
Menu Items in the Setup Menu
STANDBY Manual activation / deactivation of Standby operation using the "Enter" key
Unit
Setting range
-
Enter
Factory setting Automatic operation of feeding energy into the grid (Standby deactivated)
The power electronics are switched off in standby mode. No power is fed into the grid.
The Operating Status LED flashes orange.
The orange flashing Operating Status LED stops at dusk.
After the subsequent sunrise, the power supply operation into the grid is resumed automatically (after completion of the startup phase the LED is illuminated green).
Grid supply operation can be resumed at any time whenever the LED is flashing orange (deactivate "STANDBY").
If the Standby mode is activated by pressing the "Enter" key, the display alternates between "STANDBY" and "Enter:"
To maintain Standby operation:
Press the "Esc" key
To end Standby operation:
Press the "Enter" key
CONTRAST Contrast setting on LCD display
Unit
Setting range
Factory setting
-
0 - 7
7
Since contrast depends on temperature, it may be necessary to adjust the "CONTRAST" menu item when ambient conditions change.
110
LIGHT MODE
CASH
CO2
Initial setting for display illumination.
Unit
Setting range
Factory setting
-
AUTO / ON / OFF
AUTO
AUTO:
ON:
The display illumination will stop 30 seconds after the last time a key has been pressed.
The display will remain illuminated whenever power is supplied to the grid.
The display illumination will be permanently off.
OFF:
IMPORTANT! The "LIGHT MODE" setting only relates to the display's background illumination. The LCD display will still remain on during operation. Its energy consumption is less than one mW (1/1000 W).
Setting of currency and rate for invoicing the energy supplied
Unit
Display area
Factory setting
-
Currency / Charge rate/kWh
USD
Setting of CO2 reduction factor
Unit
Setting range
Factory setting lb/kWh, T/kWh
00.01 - 99.99
1.3
111
YIELD
IG no.
Setting
an OFFSET value for the total energy display
a measurement correction value for the Day, Year and Total energy display
Setting range OFF SET / CALI.
OFF SET
Offset is an amount of energy (in Wh, kWh, or MWh) that can be added to the lifetime total energy output of the inverter to give it a ‘head start.’
Unit
Setting range
Wh / kWh / MWh
5-digit + k... / M...
1 kWh = 1000 Wh
1 MWh = 1000000 Wh
0 Factory setting
CALI.
Preset correction value, so that the data shown on the inverter display corresponds to the calibrated data shown on the electric meter
Unit
Setting range
Factory setting
%
-5.0 - +5.0 in increments of 0.1
0
Number setting (address) of the inverter in a setup comprising multiple solar inverters linked together
Unit
Setting range
Factory setting
-
01 - 99 (100th inverter = 00)
1
IMPORTANT! Each inverter must be assigned its own address when connecting several inverters in a data communications system.
112
DAT COM
TIME
Indicates status of data transmission, resets the Personal Display Card and Interface Card
Setting range Displays OK COM or ERROR COM;
PDCD RST / IFCD RST
OK COM / ERROR COM
Displays data communication available via Solar Net or an error that occurred in data communication
PDCD RST
Resets the Fronius Personal Display Card option
IFCD RST
Resets the Fronius Interface Card option
Date and time setting
STATE PS
Unit
Setting range
Factory setting -
DDMMYYYY, HH:MM
Date / Time
IMPORTANT! The "TIME" menu item is only supported when the Fronius Datalogger option is installed.
Status display of power stage sets; the last error that has occurred can be displayed
IMPORTANT! Due to the low level of irradiance early in the morning and in the evening, the status codes 306 (power low) and 307 (DC low) are displayed routinely at these times of day. These status messages do not indicate any kind of fault.
113
VERSION
Unit
Display area
Factory setting
MAINCTRL
LCD
PS
SETUP displays the version number and serial number of the electronic components (e.g.,
IG Brain, power stage sets, display, country setup)
-
-
MAIN CTRL / LCD / PS (PS00, PS01, PS02) / SETUP
Version information of the IG Brain unit (inverter controller)
Version information of the display
Version information of the power stage sets (PS00 - max. PS02)
Display of the currently set country setup
You can display the current country setup (2 - 3 letters) by pressing the ‘Enter’ key, e.g., ‘US’ for USA country setup;
You can exit the country setup display by pressing ‘Esc’
114
Setting and Displaying Menu Items
Setting Menu
Items - General
1
2
Access the Setup menu
Use the "Up" or "Down" keys to select the desired menu item
3 Press the "Enter" key
The first digit of a value to be set flashes:
The available settings are displayed:
4 Use the "Up" and "Down" keys to select a value for the first digit
5 Press the "Enter" key
The second digit of the value flashes.
6 Repeat steps 4 and 5 until ...
the entire value flashes.
7
8
Press the "Enter" key
Repeat steps 4 - 6 for units or other values to be set until the unit or value flashes.
9 Press the "Enter" key to save and apply the changes.
Press the "Esc" key to not save the changes.
The currently selected menu item is displayed.
4 Use the "Up" and "Down" keys to select the desired setting
5 Press the "Enter" key to save and apply the selection.
Press the "Esc" key to not save the selection.
The currently selected menu item is displayed.
Examples of Setting and Displaying Menu Items
The following examples describe how to set and display menu items:
Setting the Currency and Charge Rate
Displaying and Setting Parameters in the "DATCOM" Menu Item
Setting Time and Date
115
Setting the currency and rate
1
2
Select the ‘CASH’ menu item
Press the ‘Enter’ key
The currency is display, factory setting =
‘USD’;
The first character flashes.
3
Use the ‘Up’ and ‘Down’ keys to select a letter for the first character
4
Press the ‘Enter’ key
The second character flashes.
5 Use the ‘Up’ and ‘Down’ keys to select
6 a letter for the second character
Press the ‘Enter’ key
The third character flashes.
7 Use the ‘Up’ and ‘Down’ keys to select a letter for the third character
8 Press the ‘Enter’ key
The set currency flashes.
9 Press the ‘Enter’ key
116
117
The rate for energy supplied is now displayed in kWh / currency, factory setting = 0.14
USD / kWh;
The first digit flashes.
10
Use the ‘Up’ and ‘Down’ keys to select a value for the first digit (e.g., 0)
11
Press the ‘Enter’ key
The second digit flashes.
12
Use the ‘Up’ and ‘Down’ keys to select a value for the second digit (e.g., 0)
13
Press the ‘Enter’ key
The first digit after the decimal point flashes.
14
Use the ‘Up’ and ‘Down’ keys to select a value for the first digit after the decimal point (e.g., 4)
15
Press the ‘Enter’ key
The second digit after the decimal point flashes.
16
Use the ‘Up’ and ‘Down’ keys to select a value for the second digit after the decimal point (e.g., 8)
17
The values that can be set range from
00.01 to 99.99.
Press the ‘Enter’ key
The set rate for energy supplied flashes.
18
Press the ‘Enter’ key
The currency and the rate for supplied energy are now accepted.
19
Press the ‘Esc’ key to exit the ‘CASH’ menu item
Displaying and
Setting Parameters in the "DAT-
COM" Menu Item
Available data connection
1
2
Select menu item ‘DATCOM’
Press the ‘Enter’ key
The following displays depend on whether
a data connection is available
a data connection is faulty or an option is not installed
If there is a data connection available, ‘OK-
COM’ is shown.
3 Use the ‘Down’ key to select available data: e.g. Reset Personal Display Card (‘PD-
CDRST’) ...
... or Reset Interface Card (‘IFCDRST’)
4
Press the ‘Enter’ key
‘PDCD DONE‘...
...or...
‘IFCDDONE’ is shown
5 Press the ‘Esc’ key 2x to exit menu item ‘DATCOM’
118
Setting Time and
Date
Data connection faulty or an option is not installed
If there is a faulty data connection or options are not installed ‘ERRORCOM’ is shown.
3
Press the ‘Esc’ key to exit menu item
‘DATCOM’
1
2
Select the "TIME" menu item
Press the "Enter" key
The date is displayed (DD.MM.YYYY), the first digit for the day flashes.
3
Use the "Up" and "Down" keys to select a value for the first day digit
4 Press the "Enter" key
The second digit for the day flashes.
5 Use the "Up" and "Down" keys to select a value for the second day digit
6 Press the "Enter" key
The first digit for the month flashes.
7
Use the "Up" and "Down" keys to select a value for the first month digit
8
Press the "Enter" key
119
120
The second digit for the month flashes.
9
Use the "Up" and "Down" keys to select a value for the second month digit
10
Press the "Enter" key
The first digit for the year flashes.
11
Use the "Up" and "Down" keys to select a value for the first year digit
12
Press the "Enter" key
The second digit for the year flashes.
13
Use the "Up" and "Down" keys to select a value for the second year digit
14
Press the "Enter" key
The third digit for the year flashes.
15
Use the "Up" and "Down" keys to select a value for the third year digit
16
Press the "Enter" key
The fourth digit for the year flashes.
17
Use the "Up" and "Down" keys to select a value for the fourth year digit
18
Press the "Enter" key
The set date then flashes.
19
Press the "Enter" key
121
The time is displayed (HH:MM), the first digit for the hour flashes.
20
Use the "Up" and "Down" keys to select a value for the first hour digit
21
Press the "Enter" key
The second digit for the hour flashes.
22
Use the "Up" and "Down" keys to select a value for the second hour digit
23
Press the "Enter" key
The first digit for the minutes flashes.
24
Use the "Up" and "Down" keys to select a value for the first minutes digit
25
Press the "Enter" key
The second digit for the minutes flashes.
26
Use the "Up" and "Down" keys to select a value for the second minutes digit
27
Press the "Enter" key
The set time flashes.
28
29
Press the "Enter" key to apply the time
Press the "Esc" key to exit the "TIME" menu item
Setup Lock function
General The inverter comes equipped with the "Setup Lock" function.
When the "Setup Lock" function is active, the Setup menu cannot be accessed, e.g., to protect against setup data being changed by accident.
You must enter code 12321 to activate / deactivate the "Setup Lock" function.
Activating/deactivating the "Setup
Lock" function
1
Press the "Menu" key
"Menu" is shown.
2
Select the "Setup" mode using the
"Left" or "Right" keys
3 Press the unoccupied "Menu/Esc" key
5 x
"CODE" is displayed, the first digit flashes.
4 Enter the access code 12321: Use the
"Up" and "Down" keys to select a value for the first digit of the access code
5 Press the "Enter" key
The second digit flashes.
6 Repeat steps 4 and 5 for the second, third, fourth and fifth digit of the access code until ...
... the access code flashes.
7 Press the "Enter" key
122
123
"SETUP LOCK" is displayed.
8 Press the "Enter" key
"ON LOCK" is displayed.
7
Use the "Up" and "Down" keys to select the desired function
ON LOCK = "Setup Lock" function is activated (the Setup menu cannot be accessed)
OFF LOCK = "Setup Lock" function is deactivated (the Setup menu can be accessed)
8 Press the "Enter" key to apply the function
124
Troubleshooting and Maintenance
Status Diagnosis and Troubleshooting
Displaying Status Codes
Your inverter is equipped with a self diagnostic system that automatically identifies a large number of possible operation issues by itself and displays them on the screen. This enables you to know immediately if there are any malfunctions in the inverter, the photovoltaic system or any installation or operating errors.
Whenever the self diagnostic system has identified a particular issue, the respective status code is shown on the screen.
IMPORTANT! Status codes may sometimes appear briefly as a result of the control response from the inverter. If it subsequently continues to operate normally, there has not been a system error.
Normal Operation
Status Codes
The open circuit voltage of the solar modules is too low.
As soon as the open circuit voltage exceeds 265 V, the inverter starts synchronizing with the grid (display shows "SYNC AC").
The total power output of the solar modules is insufficient.
After a short time the inverter resumes grid synchronization (display shows "SYNC AC").
Total Failure If the display remains dark for a long time after sunrise:
Check the open circuit voltage of the solar modules at the connections of the inverter:
Open circuit voltage < 265 V ... error in the photovoltaic system
Open circuit voltage > 265 V ... may indicate a basic fault in the inverter. In this case, notify a Fronius-trained service engineer.
Status Codes on
Fronius IG Plus with Several Power Stage Sets
A special status diagnostic is run if an error occurs in an inverter with several power stage sets.
It is also possible to call up status codes even if there is no actual error in existence. This form of status polling may be found in the section "The Setup Menu."
127
Display during normal operation
When there is an error in one of the power stage sets, the display flashes between
"STATE" and the corresponding status code
(e.g., "STATE 515") and
"ENTER"
Press the "Enter" key twice
The status display of the power stage sets "STATE PS" appears
Press the "Enter" key
Class 1 Status
Codes
Class 1 status codes are typically temporary. Their cause lies in the public grid.
The initial response of the inverter is to disconnect itself from the grid. The grid is subsequently checked for the stipulated monitoring period. If after the end of this period no further defect is identified, your inverter resumes operating and feeding power into the grid.
IMPORTANT! The 2nd position x defines the exact network point for the following status codes:
0 = several / all 3 phases
1 = L1
2 = L2
3 = L3
128
1x2
AC voltage too high
Behavior
Remedy
Grid conditions are thoroughly tested and as soon as they are again within the permissible range, the inverter will resume feeding power into the grid.
Check grid connections and fuses
Should the status code persist, you should contact your system installer
1x3
AC voltage too low
Behavior
Remedy
1x5
AC frequency too high
Behavior
Remedy
Grid conditions are thoroughly tested and as soon as they are again within the permissible range, the inverter will resume feeding power into the grid.
Check grid connections and fuses
Should the status code persist, you should contact your system installer
1x6
AC frequency too low
Grid conditions are thoroughly tested and as soon as they are again within the permissible range, the inverter will resume feeding power into the grid.
Check grid connections, breakers and disconnect
Should the status code persist, you should contact your system installer
Behavior
Remedy
Grid conditions are thoroughly tested and as soon as they are again within the permissible range, the inverter will resume feeding power into the grid.
Check grid connections and fuses
Should the status code persist, you should contact your system installer
1x7
No AC grid detected
Behavior
Remedy
Grid conditions are thoroughly tested and as soon as they are again within the permissible range, the inverter will resume feeding power into the grid.
Check grid connections and fuses
Should the status code persist, you should contact your system installer
108
Islanding detected
129
Class 2 Status
Codes
Behavior
Remedy Should the status code persist, you should contact your system installer
109
General grid error
This error is always displayed first for grid errors. After reviewing all power stage sets, the grid error is specified in more detail: 1x1 / 1x4 or the display remains at "109" (e.g., when
2 phases report "104" and one phase "101")
Behavior
Grid conditions are thoroughly tested and as soon as they are again within the permissible range, the inverter will resume feeding power into the grid.
Remedy
Grid conditions are thoroughly tested and as soon as they are again within the permissible range, the inverter will resume feeding power into the grid.
Check grid connections and fuses
Should the status code persist, you should contact your system installer
Status codes of class 2 are typically temporary. Their cause lies in the grid.
The first reaction of the inverter is to disconnect from the grid. Subsequently, the grid will be checked for the duration of the observation period stipulated. If after the end of this period no further defect is identified, the inverter resumes operating and feeding power into the grid.
IMPORTANT! The 2nd position x defines the exact network point for the following status messages:
0 = several / all 3 phases
1 = L1
2 = L2
3 = L3
2x2
Grid voltage exceeds admissible limits
Behavior As soon as the grid voltage has returned to admissible range, the inverter resumes feeding power into the grid.
Remedy Check grid voltage; if the status code persists you should contact your electrical contractor
2x3
Grid voltage below admissible limits
Behavior As soon as the grid voltage has returned to admissible range, the inverter resumes feeding power into the grid.
130
Remedy
207
No grid voltage detected
Check grid voltage, if the status code persists you should contact your electrical contractor
Behavior
Remedy
As soon as the grid conditions have returned to admissible range, the inverter resumes feeding power into the grid.
Check grid connections and fuses; if the status code does not disappear you should contact your electrical contractor
Class 3 status codes
Class 3 comprises status codes that may appear during feed-in operation and that do not cause a permanent interruption of the operation of feeding power into the grid.
After automatic disconnection from the grid and waiting for its conditions to return to those stipulated, your inverter will try to resume feed-in operation.
301
Overcurrent (AC)
Description
Remedy
302
Overcurrent (DC)
Description
Short interruption of power feeding into the grid due to overcurrent.
The inverter returns to the startup phase.
Fault is rectified automatically
If this status code keeps recurring, contact your system installer
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer
303
Over-temperature buck converter
Description
Short interruption of power feeding into the grid due to overcurrent.
The inverter returns to the startup phase.
Short interruption of power feeding into the grid due to overtemperature.
The inverter returns to the startup phase.
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer
304
Over-temperature cooling element
131
Description Short interruption of power feeding into the grid due to overtemperature.
The inverter returns to the startup phase.
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer
305
No power transfer to grid possible
Description Continual interruption of grid feed operation
Remedy Should the status code persist, you should contact your system installer
'POWER LOW' (306)
Intermediate circuit voltage has dropped below permissible threshold value for feed in.
This error is shown on the inverter in plain text.
Description Short interruption of power feeding into the grid.
The inverter returns to the startup phase.
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer
'DC LOW' (307)
DC input voltage is too low for feed in.
This error is shown on the inverter in plain text.
Description
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer
308
Intermediate circuit voltage too high.
Description
Short interruption of power feeding into the grid.
The inverter returns to the startup phase.
Remedy
Short interruption of power feeding into the grid.
The inverter returns to the startup phase.
Fault is rectified automatically
If this status code keeps recurring, contact your system installer
Class 4 status codes
Class 4 status codes may require the intervention of a trained Fronius service technician.
401
No internal communication with power stage set
132
Description
Remedy Check grid connections and fuses
If status code persists: Contact a Fronius-trained service technician
402
Communication with EEPROM not possible
Description
The inverter will automatically attempt to connect again and, if possible, resume feeding power into the grid
The inverter will automatically attempt to connect again and, if possible, resume feeding power into the grid.
If status code persists: Contact a Fronius-trained service technician
Remedy
403
EEPROM faulty
Description The inverter will automatically attempt to connect again and, if possible, resume feeding power into the grid.
Remedy If status code persists: Contact a Fronius-trained service technician
406
One or both temperature sensors are defective
Description The inverter disconnects from the grid for safety reasons.
Remedy If status code persists: Contact a Fronius-trained service technician
407
Temperature sensor at cooling element defective
Description
Remedy
The inverter disconnects from the grid for safety reasons.
If status code persists: Contact a Fronius-trained service technician
408
Direct current feed in
Description The inverter disconnects from the grid for safety reasons.
Remedy If status code persists: Contact a Fronius-trained service technician
412
The "fixed voltage" setting has been selected instead of MPP voltage operation and the voltage is set to too low a value, or DC voltage exceeds allowable limits.
Description Fixed voltage lower than the current MPP voltage.
133
Remedy If the status code persists, you should contact a Fronius-trained service technician, or remove excess solar modules so DC voltage fits within inverter limits.
If status code persists: Contact a Fronius-trained service technician
413
Control problems
Description
Remedy
414
EEPROM faulty
Description
The inverter briefly disconnects from the grid, if AC voltage or frequency are out of range.
If status code persists: Contact a Fronius-trained service technician
Memory deleted
Remedy If status code persists: Contact a Fronius-trained service technician
416
Communication with IG Brain not possible.
Description The Operating Status LED lights up orange, then the inverter attempts a restart.
Remedy If status code persists: Contact a Fronius-trained service technician
417
Two power stage sets have the same PCB number
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED
Remedy If status code persists: Contact a Fronius-trained service technician
419
Two or more power stage sets with an identical software serial number detected.
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED
Remedy If status code persists: Contact a Fronius-trained service technician
421
PCB number has been set incorrectly
Description
Remedy
The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
If status code persists: Contact a Fronius-trained service technician
134
425
Communication with the power stage set is not possible
Description The Operating Status LED lights up orange, then the inverter attempts a restart.
Remedy If status code persists: Contact a Fronius-trained service technician
431
All power stage sets are in boot mode
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy Update firmware using Bootloader or Fronius Solar.update/IG
Plus
Switches between SLAVE / DC LOW or SLAVE / POWER LOW (439)
The MPP master power stage set is switched off because of an error in a slave power stage set (in the balance mode).
Description
Remedy If status code persists: Contact a Fronius-trained service technician
Switches between SLAVE / DC LOW or SLAVE / POWER LOW (439)
The MPP master power stage set is switched off because of a fauilty GFDI fuse.
Description
The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy Check the GFDI fuse and replace it, if necessary.
If status code persists: Contact a Fronius-trained service technician
442
No phase master for a phase
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy If status code persists: Contact a Fronius-trained service technician
443
Energy transfer not possible
Description
Remedy
The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
If status code persists: Contact a Fronius-trained service technician
135
445
Invalid power stage set configuration
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy If status code persists: Contact a Fronius-trained service technician
446
Internal communication error with the NL-MON plug-in card
Description The inverter will automatically attempt to connect again and, if possible, resume feeding power into the grid
Remedy Check grid connections and fuses;
If status code persists: Contact a Fronius-trained service technician
447
The NL-MON plug-in card has interrupted grid monitoring
Description The inverter will automatically attempt to connect again and, if possible, resume feeding power into the grid
Remedy If status code persists: Contact a Fronius-trained service technician
448
The neutral conductor N is not connected
Description The inverter disconnects from the grid for safety reasons.
Remedy If status code persists: Contact a Fronius-trained service technician
450
The monitoring of the power stage set main processor ‘Guard’ is active
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy If status code persists: Contact a Fronius-trained service technician
451
The EEPROM Guard Control is defective
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy If status code persists: Contact a Fronius-trained service technician
452
Communication between ‘Guard’ and the digital signal processor (DSP) has been interrupted
136
Description
Remedy If status code persists: Contact a Fronius-trained service technician
453
Error in grid voltage recording
Description
The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy If status code persists: Contact a Fronius-trained service technician
454
Error in grid frequency recording
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy If status code persists: Contact a Fronius-trained service technician
455
Reference power source for AC measurement is operating outside of tolerances
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy If status code persists: Contact a Fronius-trained service technician
456
Error during anti-islanding test
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
If status code persists: Contact a Fronius-trained service technician
Remedy
457
Grid relay stuck
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy If status code persists: Contact a Fronius-trained service technician
460
Reference power source for the digital signal processor (DSP) is operating outside of tolerances
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
137
Remedy
461
Error in DSP data memory
If status code persists: Contact a Fronius-trained service technician
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy If status code persists: Contact a Fronius-trained service technician
464
Display error
The software and/or hardware versions of the display and IG Brain are not compatible.
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy Update firmware using Bootloader or Fronius Solar.update/IG
Plus
465
Display error
The UI command sent from the IG Brain is not recognized by the present display version.
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy If status code persists: Contact a Fronius-trained service technician
466
Display error
The display was not detected.
Description
Remedy Check the display for damage, connect display, check ribbon wire for damage, check IG Brain for damage
If status code persists: Contact a Fronius-trained service technician
467
The display has not received a start command from the IG Brain for longer than 6 s.
Description
The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
The inverter will automatically attempt to connect again and, if possible, resume feeding power into the grid.
Remedy If status code persists: Contact a Fronius-trained service technician
469
Throttle connected to wrong poles
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
138
Remedy Properly connect throttle
If status code persists: Contact a Fronius-trained service technician
470
The buck converter relay does not open at high DC voltage
Description The inverter stops feeding power into the grid, the display shows a critical error via a red Operating Status LED.
Remedy Check system configuration
If status code persists: Contact a Fronius-trained service technician
472
Ground fault detected
(ground fault = one of the current-carrying DC conductors or solar module interconnect cables touches the ground wire or a grounded component)
Description
Remedy
Inverter is blocked from feeding energy into the grid.
Check GFDI fuse for continuity. Replace if necessary.
Class 5 status codes
Class 5 status codes generally do not impair the operation of feeding power into the grid. They will be displayed until the service code is acknowledged by pressing a key
(the inverter, however, continues working normally in the background).
press any key
error message disappears
501
One of the two fans is defective
Description Low power generation because the temperature in the unit is too high.
Remedy If status code persists: Contact a Fronius-trained service technician
504
No Solar Net communication possible
Description
Remedy
Description
Inverter address issued twice.
Change inverter address (section: ‘The setup menu’)
Remedy
The Solar Net components required are in the inverter: However, communication is still not currently possible.
Status code will disappear after changing the inverter address
139
505
EEPROM faulty
Description Data from the Setup menu are lost.
Remedied automatically Remedy
506
EEPROM faulty
Description
Remedy
507
EEPROM faulty
Description Data from the ‘Day’ / ‘Year’ menu are lost.
Remedy
508
Inverter address incorrect
Remedied automatically
Description Address for data communication is no longer saved.
Set address again Remedy
509
24h no feed in
Data from the ‘Total’ menu are lost.
Remedied automatically
Description
Remedy
510
EEPROM faulty
Description
Example: solar modules covered with snow
Example: remove snow from solar modules
SMS settings were restored to default.
If necessary, reconfigure SMS Remedy
511
EEPROM faulty
Description Sensor card settings were restored to default
Remedy
512
If necessary, reconfigure metering channels
Too many power stage sets in the system
Description
Remedy
Too many power stage sets have been detected in the system.
If status code persists: Contact a Fronius-trained service technician
140
513
Power stage set in boot mode
Description One or more power stage sets cannot be activated, because they are in boot mode.
Remedy
514
Update power stage set firmware
No communication with one of the power stage sets
Description Warning message from one of the power stage sets, second power stage set working normally
Remedy
515
Faulty plug connections
If status code persists: Contact a Fronius-trained service technician
Description Temperature sensor on cooling element faulty or not connected properly.
Remedy If status code persists: Contact a Fronius-trained service technician
516
Status codes present for one of the power stage sets.
Description It is not possible to activate all power stage sets
Remedy Carry out analysis. For more information, see the ‘The setup menu’ section. If status code persists: Contact a Fronius-trained service technician
517
Change of master has taken place.
Description Transformer not connected / not plugged in
Bridge short-circuit
Detection of intermediate circuit voltage damaged
Check possible errors referred to in ‘Description.’ If status code persists: Contact a Fronius-trained service technician
Remedy
550
String fuse defective.
Description One or more string fuses are defective.
Remedy
550
Jumper set incorrectly
Measure string fuses and replace any that are defective
Description The jumper on the C-Box PC board was not reset to the ‘SMon’ position after the solar module strings were checked
141
Remedy
553
Set the jumper on the C-Box PC board to the ‘SMon’ position
Phase master deactivated due to frequently occurring errors
Description A reintegration of the power stage set into the Mix network will be attempted at a later time.
Remedy
554
NL-Mon EEPROM error
If status code persists: Contact a Fronius-trained service technician
Description Default set switch off limits were restored automatically.
Remedy System-specific changes in the ‘Advanced’ service menu have to be redone;
If status code persists: Contact a Fronius-trained service technician
558
Feature deactivated (e.g., inverter control via the Fronius Power Control Box option)
Description
Remedy
A feature had to be deactivated (e.g., after component replacement).
The status message is no longer displayed after the next DC disconnect.
Confirm error, update firmware using Bootloader or Fronius Solar.update/IG Plus, if required
(The inverter will also operate problem-free without updating the firmware)
Customer Service
IMPORTANT! Please contact your Fronius dealer or a Fronius-trained service technician if
an error appears frequently or for a long period of time
an error appears that is not listed in the tables
Fronius Technical Support can be reached 9 am to 9 pm eastern time at
(810) 220-4414 or (877) 376-6487.
142
Maintenance
Safety
WARNING! An electric 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 disconnected from the connection area after first being disconnected 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.
The DC main switch is only used to switch off power to the power stage set. When the DC main switch is turned off, the connection area is still energized.
These servicing instructions are for use by qualified personnel only. To reduce the risk of electric shock, do not perform any servicing other than that specified in the operating instructions.
WARNING! An electric shock can be fatal. Danger from residual voltage from capacitors.
You must wait until the capacitors have discharged. Discharge takes 5 minutes.
General
Operation in
Dusty Environments
The inverter is designed so that it does not require additional maintenance. However, there are a few points to keep in mind during operation to ensure that the inverter functions optimally.
When operating the inverter in extremely dusty environments:
Remove the fan cover and clean the integrated fly screen as required
3
1
2
143
Opening Fronius
IG Plus for service/maintenance
NOTE! For troubleshooting, it is useful to measure operating DC and AC voltages and retrieve any stored error codes from each power stage prior to turning off the inverter.
If the inverter is showing an error code:
press 'enter' to enter the 'setup' menu
If the inverter is running:
press 'menu'
then use left-right arrows to go over to 'setup'
Enter 'setup'
then go down to 'state PS'
Enter 'state PS' & note the status of power stage 00 (e. g. run, standby, or not installed)
Then enter PS 00 & note the last error code
If no error code is stored, three blank lines will be shown.
A single stage inverter (IG Plus 3.0 or 3.8) may now be turned of as below.
For two & three stage inverters, press 'esc' then up arrow and repeat for PS 02 and 01. These error codes may be useful in troubleshooting and will be erased when the inverter is turned off.
Procedure for opening the inverter for service or maintenance:
6
7
8
9
3
4
5
1
2
Disconnect AC and DC supply from the inverter
Open the connection area
Turn off DC main switch
Allow the capacitors to discharge (5 minutes)
Remove metal covers
Remove the plastic dividers
Remove string fuses
Disconnect DC wires
Disconnect AC wires
144
Replacing String Fuses
Safety
WARNING! An electric 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.
Never work with live wires! Prior to all connection work, make sure that the
AC and DC wires are not charged.
The DC main switch is used only to switch off power to the power stage set.
When the DC main switch is turned off, the connection area is still energized.
These servicing instructions are for use by qualified personnel only. To reduce the risk of electric shock, do not perform any servicing other than that specified in the operating instructions.
WARNING! An electric shock can be fatal. Danger from residual voltage from capacitors.
You must wait until the capacitors have discharged. Discharge takes 5 minutes.
Preparation
1
3
NOTE! Disconnect AC and DC supply from the inverter.
2
4
1
1
2
145
3
1
Lift up plastic dividers in the area of the string fuses
Replacing string fuses
WARNING! An electric shock can be fatal. Danger from DC voltage from solar modules.
Never remove a fuse while it is under load.
Fuse covers are for installation purposes only. They offer no protection against contact.
1 Test the fuse holder at the terminal for continuity
NOTE! Only use fuses for solar modules that meet the criteria for the proper selection of string fuses.
Fuse data: Diameter 0.406 x 1.378 - 1.496 in. (10.3 x 35 - 38 mm), 600 V DC
2
1
2
3
4
DC+
3 After replacing the fuse:
Find out and correct the cause for the defective fuse
146
Closing Fronius
IG Plus
1
1
2
Return plastic dividers to their proper position
IMPORTANT Make sure that the plastic dividers are underneath any data communication wires that are present.
3
3
1
4
1
2
147
Replacing GFDI fuse
Safety
WARNING! An electric 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.
Never work with live wires! Prior to all connection work, make sure that the
AC and DC wires are not charged.
The DC main switch is used only to switch off power to the power stage set.
When the DC main switch is turned off, the connection area is still energized.
These servicing instructions are for use by qualified personnel only. To reduce the risk of electric shock, do not perform any servicing other than that specified in the operating instructions.
WARNING! An electric shock can be fatal. Danger from residual voltage from capacitors.
You must wait until the capacitors have discharged. Discharge takes 5 minutes.
WARNING! An electric shock can be fatal. Normally grounded conductors may be ungrounded and energized when a ground fault is indicated. The ground fault has to be repaired before operation is resumed.
Preparation
1
2
NOTE! Disconnect AC and DC supply from the inverter.
2
1 on off
OFF
AC
3
4
1
2
148
3
1
4 3
2
4 If present, disconnect data communication wire from the option cards.
Replacing GFDI fuse
WARNING! An electric shock can be fatal. Danger from DC voltage from solar modules.
Never remove a fuse while it is under load.
Fuse covers are for installation purposes only. They offer no protection against contact.
1 Test the fuse holder at the terminal for continuity
NOTE! Only use fuses that comply with the following data for the GFDI fuse:
Diameter 0.406 x 1.378 - 1.496 in. (10.3 x 35 - 38 mm), 1 A, 600 V DC
2
1
2
3
1
4
4
3 After replacing the fuse:
Find out and correct the cause for the defective fuse
149
Closing Fronius
IG Plus
1
Connect available data communication wire to the option cards.
IMPORTANT! Make sure that the plastic dividers are underneath any data communication wires that are present.
2 3
3
1
4
1
2
4
ON
1 on off
AC
2
150
Appendix
Technical Data
Fronius IG Plus V
3.0-1
Input data
Recommended PV power
MPP voltage range
Max. input voltage
(at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage
Nominal input current
Max. input current
Max. array short circuit current
Output data
Nominal output power (P nom
)
P nom
at +122 °F (50 °C)
Max. output power
Nominal AC output voltage
Grid voltage tolerance
Operating AC voltage range default,
Adjustment range for voltage, at 208 V at 240 V at 277 V at 208 V at 240 V at 277 V
Voltage trip limit accuracy
Voltage clearing times
Nominal output current
Number of phases
Maximum continuous utility backfeed current * at 208 V at 240 V at 277 V
Synchronization in-rush current *
Maximum output fault current / duration
Nominal output frequency
Operating frequency range
Adjustment range for frequency
Frequency trip limit accuracy
Frequency clearing times
Harmonic distortion
*
Power factor assured by electrical design of the inverter
2500 - 3450 Wp
230 - 500 V DC
600 V DC
390 V
8.3 A
14 A
18 A
3000 W
3000 W
3000 W
208 V / 240 V / 277 V
+10 / -12 %
183 - 229 V
211 - 264 V
244 - 305 V
105 - 248 V
120 - 287 V
140 - 324 V
1 % of nominal value
0.016 - 4.25 s
14.4 A AC
12.5 A AC
10.8 A AC
1
0 A
0 A
222 A / 47 µs
60 Hz
59.3 - 60.5 Hz
57.0 - 60.48 Hz
0.05 Hz
0.016 - 300 s
< 3 %
1
153
General data
Maximum efficiency
CEC efficiency
Night consumption
Consumption during operation
Cooling
Degree of protection
Unit dimensions w x h x d
Power stage set weight
Connection area weight
Shipping dimensions w x h x d
Shipping weight
Permissible ambient temperature
(with 95% rel. humidity)
Permitted storage temperature
(with 95% rel. humidity)
Safety equipment
Ground fault protection
Islanding protection
Protection against reverse polarity
Over temperature at 208 V at 240 V at 277 V
96.2 %
95,0 %
95.5 %
95.5 %
< 1 W
8 W
Controlled forced ventilation
NEMA 3R
17.09 x 24.84 x 9.61 in.
434 x 631 x 244 mm
31 lbs.
14 kg
24 lbs.
11 kg
20.28 x 31.02 x 14.02 in.
515 x 788 x 356 mm
59 lbs.
27 kg
-13 °F - +122 °F
- 25 °C - +50 °C
-13 °F - +140 °F
- 25 °C - +60 °C internal GFDI
(Ground Fault Detector/Interrupter) integrated integrated output power derating / active cooling
154
Fronius IG Plus V
3.8-1
Input data
Recommended PV power
MPP voltage range
Max. input voltage
(at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage
Nominal input current
Max. input current
Max. array short circuit current
Output data
Nominal output power (P nom
)
P nom
at +122 °F (50 °C)
Max. output power
Nominal AC output voltage
Grid voltage tolerance
Operating AC voltage range default,
Adjustment range for voltage, at 208 V at 240 V at 277 V at 208 V at 240 V at 277 V
Voltage trip limit accuracy
Voltage clearing times
Nominal output current
Number of phases
Maximum continuous utility backfeed current * at 208 V at 240 V at 277 V
Synchronization in-rush current *
Maximum output fault current / duration
Nominal output frequency
Operating frequency range
Adjustment range for frequency
Frequency trip limit accuracy
Frequency clearing times
Harmonic distortion
*
Power factor assured by electrical design of the inverter
3200 - 4400 Wp
230 - 500 V DC
600 V DC
390 V
10.5 A
17.8 A
22 A
3800 W
3800 W
3800 W
208 V / 240 V / 277 V
+10 / -12 %
183 - 229 V
211 - 264 V
244 - 305 V
105 - 248 V
120 - 287 V
140 - 324 V
1 % of nominal value
0.016 - 4.25 s
18.3 A AC
15.8 A AC
13.7 A AC
1
0 A
0 A
222 A / 47 µs
60 Hz
59.3 - 60.5 Hz
57.0 - 60.48 Hz
0.05 Hz
0.016 - 300 s
< 3 %
1
155
General data
Maximum efficiency
CEC efficiency
Night consumption
Consumption during operation
Cooling
Degree of protection
Unit dimensions w x h x d
Power stage set weight
Connection area weight
Shipping dimensions w x h x d
Shipping weight
Permissible ambient temperature
(with 95% rel. humidity)
Permitted storage temperature
(with 95% rel. humidity)
Safety equipment
Ground fault protection
Islanding protection
Protection against reverse polarity
Over temperature at 208 V at 240 V at 277 V
96.2 %
95,0 %
95.5 %
95.5 %
< 1 W
8 W
Controlled forced ventilation
NEMA 3R
17.09 x 24.84 x 9.61 in.
434 x 631 x 244 mm
31 lbs.
14 kg
24 lbs.
11 kg
20.28 x 31.02 x 14.02 in.
515 x 788 x 356 mm
59 lbs.
27 kg
-13 °F - +122 °F
- 25 °C - +50 °C
-13 °F - +140 °F
- 25 °C - +60 °C internal GFDI
(Ground Fault Detector/Interrupter) integrated integrated output power derating / active cooling
156
Fronius IG Plus V
5.0-1
Input data
Recommended PV power
MPP voltage range
Max. input voltage
(at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage
Nominal input current
Max. input current
Max. array short circuit current
Output data
Nominal output power (P nom
)
P nom
at +122 °F (50 °C)
Max. output power
Nominal AC output voltage
Grid voltage tolerance
Operating AC voltage range default,
Adjustment range for voltage, at 208 V at 240 V at 277 V at 208 V at 240 V at 277 V
Voltage trip limit accuracy
Voltage clearing times
Nominal output current
Number of phases
Maximum continuous utility backfeed current * at 208 V at 240 V at 277 V
Synchronization in-rush current *
Maximum output fault current / duration
Nominal output frequency
Operating frequency range
Adjustment range for frequency
Frequency trip limit accuracy
Frequency clearing times
Harmonic distortion
*
Power factor assured by electrical design of the inverter
4250 - 5750 Wp
230 - 500 V DC
600 V DC
390 V
13.8 A
23.4 A
29 A
5000 W
5000 W
5000 W
208 V / 240 V / 277 V
+10 / -12 %
183 - 229 V
211 - 264 V
244 - 305 V
105 - 248 V
120 - 287 V
140 - 324 V
1 % of nominal value
0.016 - 4.25 s
24.0 A AC
20.8 A AC
18.1 A AC
1
0 A
0 A
273 A / 72 µs
60 Hz
59.3 - 60.5 Hz
57.0 - 60.48 Hz
0.05 Hz
0.016 - 300 s
< 3 %
1
157
General data
Maximum efficiency
CEC efficiency
Night consumption
Consumption during operation
Cooling
Degree of protection
Unit dimensions w x h x d
Power stage set weight
Connection area weight
Shipping dimensions w x h x d
Shipping weight
Permissible ambient temperature
(with 95% rel. humidity)
Permitted storage temperature
(with 95% rel. humidity)
Safety equipment
Ground fault protection
Islanding protection
Protection against reverse polarity
Over temperature at 208 V at 240 V at 277 V
96.2 %
95,5 %
95.5 %
96.0 %
< 1 W
15 W
Controlled forced ventilation
NEMA 3R
17.09 x 36.46 x 9.61 in.
434 x 926 x 244 mm
57 lbs.
26 kg
26 lbs.
12 kg
20.28 x 42.72 x 14.02 in.
515 x 1085 x 356 mm
90 lbs.
41 kg
-13 °F - +122 °F
- 25 °C - +50 °C
-13 °F - +140 °F
- 25 °C - +60 °C internal GFDI
(Ground Fault Detector/Interrupter) integrated integrated output power derating / active cooling
158
Fronius IG Plus V
6.0-1
Input data
Recommended PV power
MPP voltage range
Max. input voltage
(at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage
Nominal input current
Max. input current
Max. array short circuit current
Output data
Nominal output power (P nom
)
P nom
at +122 °F (50 °C)
Max. output power
Nominal AC output voltage
Grid voltage tolerance
Operating AC voltage range default,
Adjustment range for voltage, at 208 V at 240 V at 277 V at 208 V at 240 V at 277 V
Voltage trip limit accuracy
Voltage clearing times
Nominal output current
Number of phases
Maximum continuous utility backfeed current * at 208 V at 240 V at 277 V
Synchronization in-rush current *
Maximum output fault current / duration
Nominal output frequency
Operating frequency range
Adjustment range for frequency
Frequency trip limit accuracy
Frequency clearing times
Harmonic distortion
*
Power factor assured by electrical design of the inverter
5100 - 6900 Wp
230 - 500 V DC
600 V DC
390 V
16.6 A
28.1 A
35 A
6000 W
6000 W
6000 W
208 V / 240 V / 277 V
+10 / -12 %
183 - 229 V
211 - 264 V
244 - 305 V
105 - 248 V
120 - 287 V
140 - 324 V
1 % of nominal value
0.016 - 4.25 s
28.8 A AC
25.0 A AC
21.7 A AC
1
0 A
0 A
273 A / 72 µs
60 Hz
59.3 - 60.5 Hz
57.0 - 60.48 Hz
0.05 Hz
0.016 - 300 s
< 3 %
1
159
General data
Maximum efficiency
CEC efficiency
Night consumption
Consumption during operation
Cooling
Degree of protection
Unit dimensions w x h x d
Power stage set weight
Connection area weight
Shipping dimensions w x h x d
Shipping weight
Permissible ambient temperature
(with 95% rel. humidity)
Permitted storage temperature
(with 95% rel. humidity)
Safety equipment
Ground fault protection
Islanding protection
Protection against reverse polarity
Over temperature at 208 V at 240 V at 277 V
96.2 %
95,5 %
96.0 %
96.0 %
< 1 W
15 W
Controlled forced ventilation
NEMA 3R
17.09 x 36.46 x 9.61 in.
434 x 926 x 244 mm
57 lbs.
26 kg
26 lbs.
12 kg
20.28 x 42.72 x 14.02 in.
515 x 1085 x 356 mm
90 lbs.
41 kg
-13 °F - +122 °F
- 25 °C - +50 °C
-13 °F - +140 °F
- 25 °C - +60 °C internal GFDI
(Ground Fault Detector/Interrupter) integrated integrated output power derating / active cooling
160
Fronius IG Plus V
7.5-1
Input data
Recommended PV power
MPP voltage range
Max. input voltage
(at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage
Nominal input current
Max. input current
Max. array short circuit current
Output data
Nominal output power (P nom
)
P nom
at +122 °F (50 °C)
Max. output power
Nominal AC output voltage
Grid voltage tolerance
Operating AC voltage range default,
Adjustment range for voltage, at 208 V at 240 V at 277 V at 208 V at 240 V at 277 V
Voltage trip limit accuracy
Voltage clearing times
Nominal output current
Number of phases
Maximum continuous utility backfeed current * at 208 V at 240 V at 277 V
Synchronization in-rush current *
Maximum output fault current / duration
Nominal output frequency
Operating frequency range
Adjustment range for frequency
Frequency trip limit accuracy
Frequency clearing times
Harmonic distortion
*
Power factor assured by electrical design of the inverter
6350 - 8600 Wp
230 - 500 V DC
600 V DC
390 V
20.7 A
35.1 A
44 A
7500 W
7500 W
7500 W
208 V / 240 V / 277 V
+10 / -12 %
183 - 229 V
211 - 264 V
244 - 305 V
105 - 248 V
120 - 287 V
140 - 324 V
1 % of nominal value
0.016 - 4.25 s
36.1 A AC
31.3 A AC
27.1 A AC
1
0 A
0 A
273 A / 72 µs
60 Hz
59.3 - 60.5 Hz
57.0 - 60.48 Hz
0.05 Hz
0.016 - 300 s
< 3 %
1
161
General data
Maximum efficiency
CEC efficiency
Night consumption
Consumption during operation
Cooling
Degree of protection
Unit dimensions w x h x d
Power stage set weight
Connection area weight
Shipping dimensions w x h x d
Shipping weight
Permissible ambient temperature
(with 95% rel. humidity)
Permitted storage temperature
(with 95% rel. humidity)
Safety equipment
Ground fault protection
Islanding protection
Protection against reverse polarity
Over temperature at 208 V at 240 V at 277 V
96.2 %
95,0 %
95.5 %
96.0 %
< 1 W
15 W
Controlled forced ventilation
NEMA 3R
17.09 x 36.46 x 9.61 in.
434 x 926 x 244 mm
57 lbs.
26 kg
26 lbs.
12 kg
20.28 x 42.72 x 14.02 in.
515 x 1085 x 356 mm
90 lbs.
41 kg
-13 °F - +122 °F
- 25 °C - +50 °C
-13 °F - +140 °F
- 25 °C - +60 °C internal GFDI
(Ground Fault Detector/Interrupter) integrated integrated output power derating / active cooling
162
Fronius IG Plus V
10.0-1
Input data
Recommended PV power
MPP voltage range
Max. input voltage
(at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage
Nominal input current
Max. input current
Max. array short circuit current
Output data
Nominal output power (P nom
)
P nom
at +122 °F (50 °C)
Max. output power
Nominal AC output voltage
Grid voltage tolerance
Operating AC voltage range default,
Adjustment range for voltage, at 208 V at 240 V at 277 V at 208 V at 240 V at 277 V
Voltage trip limit accuracy
Voltage clearing times
Nominal output current
Number of phases
Maximum continuous utility backfeed current * at 208 V at 240 V at 277 V
Synchronization in-rush current *
Maximum output fault current / duration
Nominal output frequency
Operating frequency range
Adjustment range for frequency
Frequency trip limit accuracy
Frequency clearing times
Harmonic distortion
*
Power factor assured by electrical design of the inverter
8500 - 11500 Wp
230 - 500 V DC
600 V DC
390 V
27.6 A
46.7 A
58 A
9995 W
9995 W
99950 W
208 V / 240 V / 277 V
+10 / -12 %
183 - 229 V
211 - 264 V
244 - 305 V
105 - 248 V
120 - 287 V
140 - 324 V
1 % of nominal value
0.016 - 4.25 s
48.1 A AC
41.7 A AC
36.1 A AC
1
0 A
0 A
568 A / 104 µs
60 Hz
59.3 - 60.5 Hz
57.0 - 60.48 Hz
0.05 Hz
0.016 - 300 s
< 3 %
1
163
General data
Maximum efficiency
CEC efficiency
Night consumption
Consumption during operation
Cooling
Degree of protection
Unit dimensions w x h x d
Power stage set weight
Connection area weight
Shipping dimensions w x h x d
Shipping weight
Permissible ambient temperature
(with 95% rel. humidity)
Permitted storage temperature
(with 95% rel. humidity)
Safety equipment
Ground fault protection
Islanding protection
Protection against reverse polarity
Over temperature at 208 V at 240 V at 277 V
96.2 %
95,0 %
95.5 %
96.0 %
< 1 W
22 W
Controlled forced ventilation
NEMA 3R
17.09 x 48.07 x 9.61 in.
434 x 1221 x 244 mm
82 lbs.
37 kg
26 lbs.
12 kg
20.28 x 42.72 x 14.02 in. +
20.28 x 17.72 x 14.02 in.
515 x 1085 x 356 mm +
515 x 450 x 356 mm
114 lbs.
52 kg
-13 °F - +122 °F
- 25 °C - +50 °C
-13 °F - +140 °F
- 25 °C - +60 °C internal GFDI
(Ground Fault Detector/Interrupter) integrated integrated output power derating / active cooling
164
Fronius IG Plus V
10.0-3
Input data
Recommended PV power
MPP voltage range
Max. input voltage
(at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage
Nominal input current
Max. input current
Max. array short circuit current
Output data
Nominal output power (P nom
)
P nom
at +122 °F (50 °C)
Max. output power
Nominal AC output voltage
Grid voltage tolerance
Operating AC voltage range default,
Adjustment range for voltage, at 208 V at 240 V at 277 V at 208 V at 240 V at 277 V
Voltage trip limit accuracy
Voltage clearing times
Nominal output current
Number of phases
Maximum continuous utility backfeed current * at 208 V at 240 V at 277 V
Synchronization in-rush current *
Maximum output fault current / duration
Nominal output frequency
Operating frequency range
Adjustment range for frequency
Frequency trip limit accuracy
Frequency clearing times
Harmonic distortion
*
Power factor assured by electrical design of the inverter
8500 - 11500 Wp
230 - 500 V DC
600 V DC
390 V
27.6 A
46.7 A
58 A
9995 W
9995 W
99950 W
208 V / 240 V / 277 V
+10 / -12 %
183 - 229 V
211 - 264 V
244 - 305 V
105 - 248 V
120 - 287 V
140 - 324 V
1 % des Nominalwertes
0.016 - 4.25 s
48.1 A AC
41.7 A AC
36.1 A AC
3
0 A
0 A
568 A / 104 µs
60 Hz
59.3 - 60.5 Hz
57.0 - 60.48 Hz
0.05 Hz
0.016 - 300 s
< 3 %
1
165
General data
Maximum efficiency
CEC efficiency
Night consumption
Consumption during operation
Cooling
Degree of protection
Unit dimensions w x h x d
Power stage set weight
Connection area weight
Shipping dimensions w x h x d
Shipping weight
Permissible ambient temperature
(with 95% rel. humidity)
Permitted storage temperature
(with 95% rel. humidity)
Safety equipment
Ground fault protection
Islanding protection
Protection against reverse polarity
Over temperature at 208 V at 240 V at 277 V
96.2 %
95,0 %
95.5 %
96.0 %
< 1 W
22 W
Zwangsbelüftung
NEMA 3R
48.07 x 17.09 x 9.61 in.
1221 x 434 x 244 mm
82 lbs.
37 kg
26 lbs.
12 kg
42.72 x 20.28 x 14.02 in. +
17.72 x 20.28 x 14.02 in.
1085 x 515 x 356 mm +
450 x 515 x 356 mm
114 lbs.
52 kg
-13 °F - +122 °F
- 25 °C - +50 °C
-13 °F - +140 °F
- 25 °C - +60 °C internal GFDI
(Ground Fault Detector/Interrupter) integrated integrated output power derating / active cooling
166
Fronius IG Plus V
11.4-1
Input data
Recommended PV power
MPP voltage range
Max. input voltage
(at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage
Nominal input current
Max. input current
Max. array short circuit current
Output data
Nominal output power (P nom
)
P nom
at +122 °F (50 °C)
Max. output power
Nominal AC output voltage
Grid voltage tolerance
Operating AC voltage range default,
Adjustment range for voltage, at 208 V at 240 V at 277 V at 208 V at 240 V at 277 V
Voltage trip limit accuracy
Voltage clearing times
Nominal output current
Number of phases
Maximum continuous utility backfeed current * at 208 V at 240 V at 277 V
Synchronization in-rush current *
Maximum output fault current / duration
Nominal output frequency
Operating frequency range
Adjustment range for frequency
Frequency trip limit accuracy
Frequency clearing times
Harmonic distortion
*
Power factor assured by electrical design of the inverter
9700 - 13100 Wp
230 - 500 V DC
600 V DC
390 V
31.4 A
53.3 A
67 A
11400 W
11400 W
11400 W
208 V / 240 V / 277 V
+10 / -12 %
183 - 229 V
211 - 264 V
244 - 305 V
105 - 248 V
120 - 287 V
140 - 324 V
1 % of nominal value
0.016 - 4.25 s
54.8 A AC
47.5 A AC
41.2 A AC
1
0 A
0 A
568 A / 104 µs
60 Hz
59.3 - 60.5 Hz
57.0 - 60.48 Hz
0.05 Hz
0.016 - 300 s
< 3 %
1
167
General data
Maximum efficiency
CEC efficiency
Night consumption
Consumption during operation
Cooling
Degree of protection
Unit dimensions w x h x d
Power stage set weight
Connection area weight
Shipping dimensions w x h x d
Shipping weight
Permissible ambient temperature
(with 95% rel. humidity)
Permitted storage temperature
(with 95% rel. humidity)
Safety equipment
Ground fault protection
Islanding protection
Protection against reverse polarity
Over temperature at 208 V at 240 V at 277 V
96.2 %
95,5 %
96.0 %
96.0 %
< 1 W
22 W
Controlled forced ventilation
NEMA 3R
17.09 x 48.07 x 9.61 in.
434 x 1221 x 244 mm
82 lbs.
37 kg
26 lbs.
12 kg
20.28 x 42.72 x 14.02 in. +
20.28 x 17.72 x 14.02 in.
515 x 1085 x 356 mm +
515 x 450 x 356 mm
114 lbs.
52 kg
-13 °F - +122 °F
- 25 °C - +50 °C
-13 °F - +140 °F
- 25 °C - +60 °C internal GFDI
(Ground Fault Detector/Interrupter) integrated integrated output power derating / active cooling
168
Fronius IG Plus V
11.4-3
Input data
Recommended PV power
MPP voltage range
Max. input voltage
(at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage
Nominal input current
Max. input current
Max. array short circuit current
Output data
Nominal output power (P nom
)
P nom
at +122 °F (50 °C)
Max. output power
Nominal AC output voltage
Grid voltage tolerance
Operating AC voltage range default,
Adjustment range for voltage, at 208 V at 240 V at 208 V at 240 V
Voltage trip limit accuracy
Voltage clearing times
Nominal output current
Number of phases
Maximum continuous utility backfeed current * at 208 V at 240 V
Synchronization in-rush current *
Maximum output fault current / duration
Nominal output frequency
Operating frequency range
Adjustment range for frequency
Frequency trip limit accuracy
Frequency clearing times
Harmonic distortion
*
Power factor assured by electrical design of the inverter
9700 - 13100 Wp
230 - 500 V DC
600 V DC
390 V
31.4 A
53.3 A
67 A
11400 W
11400 W
11400 W
208 V / 240 V
+10 / -12 %
183 - 229 V
211 - 264 V
105 - 248 V
120 - 287 V
1 % of nominal value
0.016 - 4.25 s
31.6 A AC
27.4 A AC
3
0 A
0 A
476 A / 623 µs
60 Hz
59.3 - 60.5 Hz
57.0 - 60.48 Hz
0.05 Hz
0.016 - 300 s
< 3 %
1
169
General data
Maximum efficiency
CEC efficiency
Night consumption
Consumption during operation
Cooling
Degree of protection
Unit dimensions w x h x d
Power stage set weight
Connection area weight
Shipping dimensions w x h x d
Shipping weight
Permissible ambient temperature
(with 95% rel. humidity)
Permitted storage temperature
(with 95% rel. humidity)
Safety equipment
Ground fault protection
Islanding protection
Protection against reverse polarity
Over temperature at 208 V at 240 V
96.2 %
95,0 %
95.5 %
< 1 W
22 W
Controlled forced ventilation
NEMA 3R
17.09 x 48.07 x 9.61 in.
434 x 1221 x 244 mm
82 lbs.
37 kg
26 lbs.
12 kg
20.28 x 42.72 x 14.02 in. +
20.28 x 17.72 x 14.02 in.
515 x 1085 x 356 mm +
515 x 450 x 356 mm
114 lbs.
52 kg
-13 °F - +122 °F
- 25 °C - +50 °C
-13 °F - +140 °F
- 25 °C - +60 °C internal GFDI
(Ground Fault Detector/Interrupter) integrated integrated output power derating / active cooling
170
Fronius IG Plus V
12.0-3
Input data
Recommended PV power
MPP voltage range
Max. input voltage
(at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage
Nominal input current
Max. input current
Max. array short circuit current
Output data
Nominal output power (P nom
)
P nom
at +122 °F (50 °C)
Max. output power
Nominal AC output voltage
Grid voltage tolerance
Operating AC voltage range default,
Adjustment range for voltage,
Voltage trip limit accuracy
Voltage clearing times at 277 V at 277 V
Nominal output current
Number of phases at 277 V
Maximum continuous utility backfeed current *
Synchronization in-rush current *
Maximum output fault current / duration
Nominal output frequency
Operating frequency range
Adjustment range for frequency
Frequency trip limit accuracy
Frequency clearing times
*
Harmonic distortion
Power factor assured by electrical design of the inverter
10200 - 13800 Wp
230 - 500 V DC
600 V DC
390 V
33.1 A
56.1 A
70 A
12000 W
12000 W
12000 W
277 V
+10 / -12 %
244 - 305 V
140 - 324 V
1 % of nominal value
0.016 - 4.25 s
14.4 A AC
3
0 A
0 A
777 A / 163 µs
60 Hz
59.3 - 60.5 Hz
57.0 - 60.48 Hz
0.05 Hz
0.016 - 300 s
< 3 %
1
171
General data
Maximum efficiency
CEC efficiency
Night consumption
Consumption during operation
Cooling
Degree of protection
Unit dimensions w x h x d
Power stage set weight
Connection area weight
Shipping dimensions w x h x d
Shipping weight
Permissible ambient temperature
(with 95% rel. humidity)
Permitted storage temperature
(with 95% rel. humidity)
Safety equipment
Ground fault protection
Islanding protection
Protection against reverse polarity
Over temperature at 277 V
96.2 %
96 %
< 1 W
22 W
Controlled forced ventilation
NEMA 3R
48.07 x 17.09 x 9.61 in.
1221 x 434 x 244 mm
82 lbs.
37 kg
26 lbs.
12 kg
42.72 x 20.28 x 14.02 in. +
17.72 x 20.28 x 14.02 in.
1085 x 515 x 356 mm +
450 x 515 x 356 mm
114 lbs.
52 kg
-13 °F - +122 °F
- 25 °C - +50 °C
-13 °F - +140 °F
- 25 °C - +60 °C internal GFDI
(Ground Fault Detector/Interrupter) integrated integrated output power derating / active cooling
172
Field adjustable trip points
Field adjustable trip points
Nominal AC output voltage,
Line-to-Line, [V]
Operating AC voltage range default,
Line-to-Line, [V]
Adjustment range for voltage,
Line-to-Line, [V]
Voltage trip limit accuracy
Line-to-Line,
[% of nominal value]
208 V
208
183-229
105-248
1
Operating AC voltage range default,
Line-to-Neutral, [V]
Adjustment range for voltage,
Line-to-Neutral, [V]
Adjustment range for voltage clearing time [s]
Voltage trip limit accuracy
Line-to-Neutral,
[% of nominal value]
Nominal output frequency [Hz]
Operating frequency range [Hz]
106-132
61-143
0.016-4.25
1
60
59.3-60.5
Adjustment range for frequency [Hz]
Adjustment range for frequency clearing time [s]
57.0-60.48
0.016-300
Frequency trip limit accuracy
[ms]
16.66
Detection time [ms]
Reconnect time default [s]
Adjustment range for reconnect time
[s]
(1)
(2)
16.66 ms are equivalent to 1 cycle
25 ms are equivalent to 1.5 cycles
25 (2)
300
5-900
(1)
240 V
240
211-264
121-287
1
106-132
61-143
0.016-4.25
1
-
-
-
277 V
277
244-305
138-324
0.016-4.25
1
60
59.3-60.5
57.0-60.48
0.016-300
16.66 (1)
25 (2)
300
5-900
60
59.3-60.5
57.0-60.48
0.016-300
16.66 (1)
25 (2)
300
5-900
173
Relevant Standards and Directives
Relevant standards and directives
UL 1741-2005
IEEE 1547-2003
IEEE 1547.1
ANSI/IEEE C62.41
FCC Part 15 A & B
NEC Article 690
C22. 2 No. 107.1-01
(September 2001)
Grid Failure The standard measurement and safety procedures integrated into the inverter ensure that the power feed is immediately interrupted in the event of a grid failure (shut-off by the utility or damage to lines).
174
Warranty and Disposal
FRONIUS USA limited 10-year warranty
At Fronius, we have been designing and manufacturing high quality power electronics equipment for over 60 years. And all our production facilities are ISO 9001 certified.
You will probably not encounter any service-related issues with your Fronius IG Plus Solar
Inverter.
However, in the unlikely event that within Ten (10) years from the original purchase you discover a problem caused by defects in either workmanship or materials, we will see that the device is either repaired or replaced.
Repair or replacement depends on Fronius’s evaluation of the issue and what we decide makes the most sense according to the situation.
The warranty is based on the inverter’s serial number, allowing the warranty to be transferred to another owner if the Fronius IG Plus solar inverter remains installed in the original installation location. Because the warranty is tied to the serial number, there is no paperwork to transfer the warranty to a new owner.
The Fronius IG Plus Solar Inverters are designed to withstand normal operating conditions and typical wear and tear when the Fronius IG Plus Solar Inverter is used for its original intent, in compliance with the Fronius IG Plus Installation and Operational Manual(s) supplied with the original equipment.
This warranty does not cover damages by improper installation or operation, misuse, abuse, manipulation, alterations or repair attempts, accidents, fire, floods, acts of God, and incidental or consequential damage caused by defects with other components of the solar system. This warranty does not extend beyond the original cost of the Fronius IG Plus Solar Inverter.
Policy and procedure for warranty returns and repairs
To obtain service you must follow this policy and procedure for warranty returns and repairs:
All returned Fronius IG Plus Solar Inverters require a Returned Merchandise Authorization Number (RMA).
A request for an RMA number requires the following information:
Proof of purchase in the form of the original invoice
Model number of the Fronius IG Plus solar inverter
Serial number of the Fronius IG Plus inverter
Description of the problem
Shipping address for the repaired or replaced equipment
All Fronius IG Plus solar inverters authorized for return by FRONIUS USA must be returned in their original shipping container or packaging providing equal protection.
Shipping costs to FRONIUS USA and back to the purchaser of repaired or replacement Fronius IG Plus Solar Inverters is the responsibility of FRONIUS USA
The warranty period of any repaired or replacement inverter is 12 months after shipment from FRONIUS USA or the original warranty period which ever is later
Labor costs related to uninstalling the defective equipment and re-installing the repaired or replacement equipment are not covered under the warranty.
Some states do not allow the exclusion or limitation of incidental or consequential damages. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state.
FRONIUS USA LLC General Terms and Conditions apply.
175
Disposal
Contact your local dealer or FRONIUS Service Partner for immediate handling of warranty issues. For service assistance to resolve a Fronius IG Plus solar inverter problem, or for product information please contact:
FRONIUS USA LLC - Solar Electronics Division
10421 Citation Drive, Suite 1100, Brighton, MI 48116
E-mail: [email protected]
http://www.fronius-usa.com
Should your inverter be replaced at some future date, Fronius will accept the obsolete equipment back and provide for its proper recycling.
176
Certificate of Compliance
Certificate: 2308317 Master Contract: 203213
Date Issued: December 17, 2010 Project:
Issued to:
2365465
Fronius International GmbH
Guenter Fronius Strasse 1
Wels-Thalheim, 4600
Austria
Attention: Mr. Christian Ing. Lehner
The products listed below are eligible to bear the CSA
Mark shown with adjacent indicators 'C' and 'US' for
Canada and US or with adjacent indicator 'US' for
US only or without either indicator for Canada only.
Rob Hempstock
Issued by: Rob Hempstock, AScT.
PRODUCTS
CLASS 5311 09 - POWER SUPPLIES - Distributed Generation Power Systems Equipment
CLASS 5311 89 - POWER SUPPLIES - Distributed Generation - Power Systems Equipment
- Certified to U.S. Standards
Utility Interactive Inverter, Models Fronius IG Plus V 3.0-1 UNI, Fronius IG Plus V 3.8-1 UNI, SPR-3301f-1
UNI, SPR-3801f-1 UNI, Fronius IG Plus V 5.0-1 UNI, Fronius IG Plus V 6.0-1 UNI, Fronius IG Plus V 7.5-1
UNI, SPR-6501f-1 UNI, SPR-7501f-1 UNI, SPR-10001f-1 UNI, Fronius IG Plus V 10.0-1 UNI, Fronius IG
Plus V 11.4-1 UNI, SPR-11401f-1 UNI, Fronius IG Plus V 12.0-3 WYE277, Fronius IG Plus V 11.4-3 Delta,
SPR-11401f-3 208/240 Delta and SPR-12001f-3-277WYE, permanently connected.
For details related to model ratings, reference should be made to the CSA Certification Record, Attachment 1
(Ratings), or the Descriptive Report.
Notes:
1. Inverter models, Fronius IG Plus V 3.0-1 UNI, Fronius IG Plus V 3.8-1 UNI, SPR-3301f-1 UNI,
SPR-3801f-1 UNI, Fronius IG Plus V 5.0-1 UNI, Fronius IG Plus V 6.0-1 UNI, Fronius IG Plus V 7.5-1
DQD 507 Rev. 2009-09-01
177
Page: 1
Certificate: 2308317
Project: 2365465
Master Contract:
Date Issued:
203213
December 17, 2010
UNI, SPR-6501f-1 UNI, SPR-7501f-1 UNI, SPR-10001f-1 UNI, Fronius IG Plus V 10.0-1 UNI, Fronius IG
Plus V 11.4-1 UNI, SPR-11401f-1 UNI, Fronius IG Plus V 12.0-3 WYE277, Fronius IG Plus V 11.4-3 Delta,
SPR-11401f-3 208/240 Delta and SPR-12001f-3-277WYE, have been evaluated for use in utility-interactive applications. Inverters using these same model numbers and identical in construction but without the CBox are approved for field replacement use only, and are not to be offered for sale by Fronius; the replacement unit will be re-assembled onto the existing CBox in the end installation so that a CBox is always present on any installed system.
2. All models meet the surge requirements of IEEE C62.41.2-2002, Location Category B (6kV). Tests were performed using ring wave and combination waveforms, both polarities, for common mode and differential mode coupling, 20 pulses each test. After surge testing the units were operational with control functionally verified by frequency and voltage disconnect tests.
APPLICABLE REQUIREMENTS
CSA C22.2 No 107.1-01 - General Use Power Supplies
*UL Std. No. 1741-Second Edition - Inverters, Converters, Controllers and Interconnection System
Equipment for Use With Distributed Energy Resources (January 28, 2010)
*Note: Conformity to UL 1741-Second Edition (January 28, 2010) includes compliance with applicable requirements of IEEE 1547 and IEEE 1547.1
DQD 507 Rev. 2009-09-01
178
Page: 2
Letter of Attestation
Document: 2361219
Project: 2361219
Issued to: Fronius International GmbH
Guenter Fronius Strasse 1
Austria
M a s t e r C o n t r a c t : 203213
D a t e I s s u e d : January 7, 2011
CSA International hereby confirms that it has completed an evaluation of Inverter Integral 5% Meter
Performance for the following Utility Interactive Photovoltaic Inverters:
Models IG 2000 NEG, IG 2000 POS, IG 3000 NEG, IG 3000 POS, IG 2500-LV NEG, and IG 2500-LV POS, IG
4000 NEG, IG 4000 POS, IG 5100 NEG, IG 5100 POS, IG 4500-LV NEG, and IG 4500-LV POS.
Models Fronius IG Plus 3.0-1 UNI, Fronius IG Plus 3.8-1 UNI, SunPower SPR-3300f, SunPower SPR-4000f,
Fronius IG Plus 5.0-1 UNI, Fronius IG Plus 6.0-1 UNI, Fronius IG Plus 7.5-1 UNI, SunPower SPR-6500f,
SunPower SPR-8000f, Fronius IG Plus 10.0-1 UNI, Fronius IG Plus 11.4-1 UNI, Fronius IG Plus 12.0-3
WYE277, Fronius IG Plus 11.4-3 Delta and SunPower SPR-12000f.
Models Fronius IG Plus V 3.0-1 UNI, Fronius IG Plus V 3.8-1 UNI, SPR-3301f-1 UNI, SPR-3801f-1 UNI,
Fronius IG Plus V 5.0-1 UNI, Fronius IG Plus V 6.0-1 UNI, Fronius IG Plus V 7.5-1 UNI, SPR-6501f-1 UNI,
SPR-7501f-1 UNI, SPR-10001f-1 UNI, Fronius IG Plus V 10.0-1 UNI, Fronius IG Plus V 11.4-1 UNI, SPR-
11401f-1 UNI, Fronius IG Plus V 12.0-3 WYE277, Fronius IG Plus V 11.4-3 Delta, SPR-11401f-3 208/240 Delta and SPR-12001f-3-277WYE.
Models Fronius CL 33.3 Delta, Fronius CL 44.4 Delta, Fronius CL 55.5 Delta, Fronius CL 36.0 WYE277,
Fronius CL 48.0 WYE277 and Fronius CL 60.0 WYE277.
CSA International hereby attests that the product identified above and described in CSA reports 1878274,
2065918, 2308317, and 2308316 complies with the following standards/tests, to the extent applicable:
DQD 507.06 Rev. 2006-02-23
179
Page 1 of 2
Project: 2361219
Master Contract: 203213
Date: January 7, 2011
The testing of the subject inverters were completed according to the following sections of the California Public
Utilities Commission California Solar Initiative Program Handbook, June 2010, entitled Appendix C: Inverter
Integral 5% Meter Performance Specification and Test Requirements.
• Test 1: No Load Test
• Test 2: Load Performance Test
• Test 3: Effect of Variation of Voltage
• Test 4: Effect of Variation of Frequency
• Test 5: Effect of Internal Heating
• Test 6: Stability of Performance (Self Certified by Client)
• Test 7: Independence of Elements
• Test 8: Insulation
• Test 9a: Voltage Interruptions from Short Circuits
• Test 9b: Voltage Interruptions from Loss of Control
• Test 10: Effect of High Voltage Line Surges
• Test 11: Effect of Variation of Ambient Temperature
• Test 12: Electrical Fast/Transient Burst
• Test 13: Effect of electrical oscillatory Surge Withstand Capabilities (SWC) Test
• Test 14: Effect of Radio Frequency Interference (N/A, meets FCC Part 15 Compliance)
• Test 15: Effect of Frequency Conducted and Radiated Emission (N/A, meets FCC Part 15
Compliance)
• Test 16: Effect of Electrostatic Discharge (ESD)
• Test 17: Effect of Operating Temperature
• Test 18: Effect of Relative Humidity
Notes:
1. For summary of test set up and test results refer to CSI Meter Attestation Report and Appendix A.
2. The above inverter models are CSA Certified to Standard UL1741 2 nd
Edition and are currently listed on the CEC Eligible Inverter Listings.
-------------------------------------------------------
Rob Hempstock, AScT
THIS LETTER OF ATTESTATION DOES NOT AUTHORIZE THE USE OF THE CSA MARK ON THE
SUBJECT PRODUCTS.
QUOTATIONS FROM THE TEST REPORT OR THE USE OF THE NAME OF THE CANADIAN
STANDARDS ASSOCIATION AND CSA INTERNATIONAL OR ITS REGISTERED TRADEMARK, IN
ANY WAY, IS NOT PERMITTED WITHOUT PRIOR WRITTEN CONSENT OF THE CANADIAN
STANDARDS ASSOCIATION OR CSA INTERNATIONAL.
DQD 507.06 Rev. 2006-02-23 Page 2 of 2
180
181
Fronius Worldwide - www.fronius.com/addresses
a Fronius International GmbH
4600 Wels-Thalheim, Günter-Fronius-Straße 1, Austria
E-Mail: [email protected]
http://www.fronius.com
u Fronius USA LLC Solar Electronics Division
10421 Citation Drive, Suite 1100, Brighton, MI 48116
E-Mail: [email protected]
http://www.fronius-usa.com
Under http://www.fronius.com/addresses you will find all addresses of our sales branches and partner firms!
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