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IG 4500-LV

Fronius IG 2000, IG 3000, IG 2500-LV, IG 4000, IG 4500-LV Operating Instructions Manual

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/ Perfect Charging / Perfect Welding / Solar Energy
Fronius IG 2000 / 3000 / 2500-LV Fronius IG 4000 / 5100 / 4500-LV
Operating Instructions
Inverter for grid-connected photo-
EN-US
voltaic systems
42,0410,1089 005-10082015
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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 that must be followed during in-
stallation and maintenance of the inverter.
The inverter 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 inverter. To reduce the risk of personal injury and to ensure the safe installation and operation of the inverter, you must carefully read and follow all instructions and safety instructions in these operating instructions.
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Safety instruc­tions
Electrical installa­tions
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.
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 inverter and/or other equipment connected to the inverter or personal injury.
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 ................................................................................................................................................ 9
General Information 13
Protection of Persons and Equipment ....................................................................................................... 15
Safety.................................................................................................................................................... 15
Protection of Persons and Equipment .................................................................................................. 15
Galvanic isolation.................................................................................................................................. 15
Monitoring the Grid ............................................................................................................................... 15
Information on "field adjustable trip points"........................................................................................... 15
FCC compliance ................................................................................................................................... 15
Ground fault detector / interrupter......................................................................................................... 16
Standards and regulations .................................................................................................................... 16
Declaration of conformity ...................................................................................................................... 16
The Fronius IG Unit in the PV System ....................................................................................................... 17
General ................................................................................................................................................. 17
Tasks .................................................................................................................................................... 17
Converting DC to AC Current ............................................................................................................... 17
Fully automatic operation management................................................................................................ 17
Display function and data communication ............................................................................................ 18
Data Communications Components ..................................................................................................... 18
Forced Ventilation ................................................................................................................................. 18
Power derating...................................................................................................................................... 18
Installation and Startup 19
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Fronius IG Installation and Connection...................................................................................................... 21
Safety.................................................................................................................................................... 21
Connection diagram.............................................................................................................................. 21
Overview ............................................................................................................................................... 22
Connection Options and Knockouts........................................................................................................... 23
Connection Options and Knockouts...................................................................................................... 23
Choosing the Location ............................................................................................................................... 25
Choosing the location in general........................................................................................................... 25
Choosing a Location for Inside Installation ........................................................................................... 25
Choosing a location for outdoor installation .......................................................................................... 26
Fronius IG Installation ................................................................................................................................ 27
General ................................................................................................................................................ 27
Recommended screws for mounting plate assembly ........................................................................... 27
Attaching the mounting plate - mounting height.................................................................................... 27
Inverter Installation................................................................................................................................ 28
Connecting the Fronius IG to the Public Grid (AC) .................................................................................... 29
General ................................................................................................................................................ 29
Inverter configuration for connection to grids without neutral ............................................................... 29
Overview of available grids ................................................................................................................... 30
Monitoring the Grid ............................................................................................................................... 31
Systems with more than one inverter.................................................................................................... 31
AC-side terminals and grounding terminals .......................................................................................... 32
Cross section of AC wires..................................................................................................................... 33
Safety.................................................................................................................................................... 33
Removing knockouts and mounting conduits ....................................................................................... 34
Connecting the inverter to the public grid (AC) ..................................................................................... 35
Recommendation for the AC-side overcurrent protection..................................................................... 35
Additional external AC and/or DC disconnect....................................................................................... 36
Connecting Solar Module Strings to the Fronius IG (DC) ..........................................................................37
General information about solar modules ............................................................................................. 37
Safety.................................................................................................................................................... 37
DC terminals ......................................................................................................................................... 38
Solar module ground............................................................................................................................. 38
Wire cross section of solar module strings ........................................................................................... 39
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Connecting solar module strings........................................................................................................... 39
Commissioning .......................................................................................................................................... 41
Factory pre-set configuration ................................................................................................................ 41
Commissioning ..................................................................................................................................... 41
Inserting Option Cards ............................................................................................................................... 43
Suitable option cards ............................................................................................................................ 43
Safety.................................................................................................................................................... 43
Inserting and connecting option cards .................................................................................................. 44
Data Communication and Solar Net .......................................................................................................... 46
Solar Net and data interface ................................................................................................................. 46
Example ................................................................................................................................................ 46
Operation 49
Product description .................................................................................................................................... 51
Controls and Indicators ......................................................................................................................... 51
Display .................................................................................................................................................. 52
Operating Status LED and GFDI Status LED ....................................................................................... 53
Startup Phase and Grid Feed-in Mode ...................................................................................................... 55
Startup phase........................................................................................................................................ 55
Test procedure...................................................................................................................................... 55
Operation of Feeding Energy into the Grid ........................................................................................... 56
Navigation in the Menu Level..................................................................................................................... 57
Activating display illumination ............................................................................................................... 57
Accessing the Menu Level .................................................................................................................... 57
The Display Modes .................................................................................................................................... 58
The Display Modes ............................................................................................................................... 58
Selecting a Display Mode ..................................................................................................................... 58
Overview of Display Values .................................................................................................................. 59
Display Values in "Now" Display Mode...................................................................................................... 60
Selecting the "Now" Display Mode........................................................................................................ 60
Display values in the ‘Now’ display mode ............................................................................................. 60
Options.................................................................................................................................................. 61
Display Values in "Day / Year / Total" Display Modes ............................................................................... 62
General ................................................................................................................................................. 62
Selecting "Day / Year / Total" Display Mode......................................................................................... 62
Display values in the ‘Day / Year / Total’ display modes ...................................................................... 63
Options.................................................................................................................................................. 64
The Setup Menu ........................................................................................................................................ 65
Presetting.............................................................................................................................................. 65
Accessing the Setup Menu ................................................................................................................... 65
Scrolling through Menu Items ............................................................................................................... 66
Menu Items in the Setup Menu .................................................................................................................. 67
STANDBY ............................................................................................................................................. 67
CONTRAST .......................................................................................................................................... 67
MENU MODE........................................................................................................................................ 68
LIGHT MODE........................................................................................................................................ 68
CASH .................................................................................................................................................... 68
IG no. .................................................................................................................................................... 68
DAT COM ............................................................................................................................................. 69
TIME ..................................................................................................................................................... 69
STATE PS............................................................................................................................................. 69
VERSION.............................................................................................................................................. 70
Setting and Displaying Menu Items ........................................................................................................... 71
Setting Menu Items - General ............................................................................................................... 71
Examples of Setting and Displaying Menu Items.................................................................................. 71
Setting the currency and rate................................................................................................................ 72
Displaying and Setting Parameters in the "DATCOM" Menu Item........................................................ 74
Setting Time and Date ......................................................................................................................... 75
Troubleshooting and Maintenance 79
Status Diagnosis and Troubleshooting ...................................................................................................... 81
Displaying Status Codes....................................................................................................................... 81
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Normal Operation Status Codes ........................................................................................................... 81
Total Failure .......................................................................................................................................... 81
Ground fault indication .......................................................................................................................... 82
Status Codes on Fronius IG with Several Power Stage Sets ............................................................... 82
Class 1 Status Codes ........................................................................................................................... 83
Class 2 Status Codes ........................................................................................................................... 84
Class 3 status codes............................................................................................................................. 85
Class 4 status codes............................................................................................................................. 87
Class 5 status codes............................................................................................................................. 90
Customer Service ................................................................................................................................. 92
Appendix 93
Technical Data ........................................................................................................................................... 95
Fronius IG 2000 .................................................................................................................................... 95
Fronius IG 3000 .................................................................................................................................... 97
Fronius IG 2500-LV............................................................................................................................... 99
Fronius IG 4000 .................................................................................................................................... 101
Fronius IG 5100 .................................................................................................................................... 103
Fronius IG 4500-LV............................................................................................................................... 105
Field adjustable trip points .................................................................................................................... 107
Relevant standards and directives........................................................................................................ 107
Warranty and Disposal............................................................................................................................... 108
Fronius Manufacturer's Warranty.......................................................................................................... 108
Disposal ................................................................................................................................................ 108
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Safety rules
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Explanation of Safety Instruc­tions
General
DANGER! Indicates an immediate danger. Death or serious injury may result if
appropriate precautions are not taken.
WARNING! Indicates a possibly dangerous situation. Death or serious injury may result if appropriate precautions are not taken.
CAUTION! Indicates a situation where damage or injury could occur. Minor injury or damage to property may result if appropriate precautions are not taken.
NOTE! Indicates the possibility of flawed results and 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.
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.
Before switching on the device, remove any faults that could compromise safety.
Your personal safety is at stake!
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Utilization in Ac­cordance with "Intended Pur­pose"
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
Environmental Conditions
Qualified Service Engineers
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).
Do not carry out any modifications, alterations, etc. without the manufacturer's consent.
Components that are not in perfect condition must be changed immediately.
Safety Measures at the Installation Location
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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.
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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 62109-1:2010.
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.
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EMC Device Clas­sifications
EMC Measures
Grid Connection
Devices in emission class A:
- Are only designed for use in industrial settings
- Can cause line-bound and radiated interference in other areas
Devices in 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.
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.
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 *)
Electrical Installa­tions
*) 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.
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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
Disposal
Only operate the device when all safety devices are fully functional. If the safe­ty 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 operat­ing company
- inefficient operation of the device
Safety equipment that is not fully functional must be repaired by an authorized specialist before the device is turned on.
Never bypass or disable safety 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.
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!
Backup
Copyright
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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
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Protection of Persons and Equipment
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Safety
Protection of Per­sons and Equip­ment
WARNING! An electric shock can be fatal. Danger from grid voltage and DC volt-
age 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.
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
Information on "field adjustable trip points"
FCC compliance
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
The inverter is equipped with field adjustable trip points. For further information, please contact Fronius technical support at the following e-mail address: pv-us-support@fro­nius.com.
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.
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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
Declaration of conformity
Your inverter complies with the requirements for the following standards "Inverters, con­verters and controllers for use in independent power systems":
- UL1741
- IEEE 1547
The ground-fault detection and interruption is in compliance with NEC 690 building code requirements.
Relevant declarations of conformity can be found in the appendix to these operating in­structions.
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The Fronius IG Unit in the PV System
General The solar inverter is the highly complex link between the solar modules and the public grid.
Inverter
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PV array
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.
Main AC Load Center
Energy­meter
Fully automatic operation man­agement
IMPORTANT! The inverter has been designed exclusively for use in grid-connected pho-
tovoltaic systems. It cannot generate electric power independently of the grid.
The inverter is fully automatic. Starting at sunrise, as soon as the solar modules generate enough energy, the automatic control unit starts monitoring grid voltage and frequency. As soon as there is a sufficient level of irradiance, your solar inverter starts feeding energy into the grid.
The control system of the inverter 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 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
Forced Ventila­tion
Power derating Should there be insufficient heat dissipation in spite of the fan operating at maximum speed
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.
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
(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.
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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
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Fronius IG Installation and Connection
EN-US
Safety
Connection dia­gram
WARNING! An electric shock can be fatal. Danger from grid voltage and DC volt-
age 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.
DC +
Inverter
DC terminal block String fuses
L3***
L2
L1 N**
DC disconnect
Grounding terminal
DC -
PV frame ground
N L1 L2
L3
* may be required by local authorities ** may be required depending on grid configuration *** depending on inverter type
Grounding electrode terminal *
Energy­meter
AC distribution panel
Main grounding system
Lockable AC disconnect switch
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Overview ‘Fronius IG installation and connection’ contains the following sections:
- Connection options and Knockouts
- Choosing the location
- Inverter installation
- Connecting the inverter to the public grid (AC)
- Connecting solar module strings
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Connection Options and Knockouts
Connection Op­tions and Knock­outs
(1)
(2)
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(13)
(3) (4) (6) (7) (8) (9)
Item Description
(1) Knockout for 1/2 in. / 3/4 in. conduit fitting (DC-cables)
(2) Knockout for 1/2 in. / 3/4 in. conduit fitting (DC-cables)
(3) Knockout for 1/2 in. / 3/4 in. conduit fitting (AC-cables)
(4) Knockout for 1/2 in. / 3/4 in. conduit fitting (AC-cables)
(5) Knockout for grounding electrode
(may be required by local authorities)
(6) Knockout for 1/2 in. / 3/4 in. conduit fitting (data communication cables)
(7) Display
(8) LED for operating status
(9) LED for GFDI status
(10) Knockout for 1/2 in. / 3/4 in. conduit fitting (data communication cables)
(11) Knockout for 1/2 in. / 3/4 in. conduit fitting (data communication cables)
(12) Air vents - Intake
(13) Air vents - Exhaust
(5) (10) (11)
(12)
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Connection area opened:
(14)
(15)
(16) (18)(17) (19) (20)
Item Description
(14) Connection area
(to be opened only by qualified electrical professionals)
(15) AC-disconnect
(16) DC-disconnect
(17) GFDI fuse
(18) Menu keysn
(19) LED for operating status
(20) LED for GFDI status
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Choosing the Location
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Choosing the lo­cation in general
Please note the following criteria when choosing a location for the inverter:
Installation only on a solid vertical wall:
- min. 3 ft. (0.9 m) above the ground
- max. 6.5 ft. (2 m) above the ground
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..
The air flow direction within the inverter is from left to right (cold air intake on left, hot air exit on right). No objects are to be located within a distance of 6 in. around the air vents on both sides of the inverter.
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..
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
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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 Installation
EN-US
General
Recommended screws for mounting plate assembly
Attaching the mounting plate ­mounting height
IMPORTANT! Depending on the surface, different wall anchors and screws may be re-
quired 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.
In most cases, you should use 1/4 in. or 5/16 in. stainless steel or aluminum screws capa­ble of supporting:
- 26 lbs. for Fronius IG 2000 / 3000 / 2500-LV
- 42 lbs. for Fronius IG 4000 / 5000 / 4500-LV
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. When choosing the inverter mounting height, ensure a height that keeps the display slightly below eye level for best possible readability of the display.
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Inverter Installa­tion
As your inverter is delivered, the mounting plate is fixed to the inverter by two screws on the bottom of the inverter.
CAUTION! Danger of injury by falling equipment. The inverter may become dis­lodged and fall from the mounting plate if the unit is not fixed to the mounting plate. Fix the inverter to the mounting plate using the two screws that were removed in step 1.
Loosen the screws (1) on the bottom of
1
the inverter and remove the mounting plate (2)
Triangulate the positions of the srews
2
on the mounting plate using the pre­drilled holes when possible
The three vertically aligned holes for single stud mounting will suit most ins­tallations.
Fix the mounting plate (2) to the wall
3
using four suitable wall anchors (3) and screws (4)
Attach the inverter to the bottom of the
4
mounting plate (2) by using the screws (1), that were removed in step 1
(4) (3)
(4)
(4) (3)
(4)
(3)
(2)
(3)
(1)
NOTE! If you modify the inverter enclosure with custom openings you will be re­quired to return the unit for repair in the event of a warranty-related issue rather than doing an inverter exchange. Knockouts for grounding electrode may be required by local authorities.
28
Page 31
Connecting the Fronius IG to the Public Grid (AC)
General Your inverter needs to be connected to the AC disconnect, to the DC disconnect and to the
equipment grounding according to the following steps. AC and DC are switched separately.
EN-US
Inverter configu­ration for connec­tion to grids without neutral
The inverter comes from the factory pre-configured for grid connection with neutral. For a connection to grids without neutral the inverter must be reconfigured by setting a jumper in the connection area.
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.
Make sure, that the inverter is fixed
(2)
(2) (3)
(1) (2)
1
properly to the mounting plate
Open the connection area as shown in
2
the figure
Set the internal AC- and DC dis-
3
connects (1) to the "OFF" position
Remove the four screws (2) on the in-
4
verters faceplate (3)
NOTE! When removing the dis­play faceplate covering the con­nection area do not pinch, bend or strain the ribbon cable for the dis­play.
Remove the display faceplate (3) co-
5
vering the connection area
29
Page 32
Jumper positions for neutral conductor in the grid:
(1) public grid with neutral conductor - factory setting
(Enable)
(2) public grid without neutral conductor
(Disable)
Set the jumper to the refered position
6
(2)
(1)
Overview of avail­able grids
Inverters can be connected to the following grids:
208 V Delta : 120 V WYE 240 V : 120 V Split Phase
021
208 V
(1)
208 V
120 V
V
120 V
(1)
120 V 120 V
240 V
208 V
(1)
(1)
30
Page 33
240 V Delta : 120 V Stinger 240 V Delta
(1)
240 V
120 V 120 V
240 V
240 V
240 V
(2)
(2)
(2)
208 V Delta Jumper positions:
(1)
(2)
208 V
(2)
240 V
EN-US
240 V
(2)
(2)
Monitoring the Grid
Systems with more than one in­verter
208 V
208 V
(2)
(2)
IMPORTANT! The resistance in the leads to the AC-side connection terminals must be as low as possible for optimal functioning of grid monitoring.
For larger photovoltaic systems, it is possible to connect several inverters in parallel with­out any problems.
NOTE! The inverters Fronius IG 2500-LV and Fronius IG 4500-LV are 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. Try to bal­ance the installation.
The connection to the grid should be done in the following way:
- Connect Fronius IG No. 1, No. 4, No. 7, ... to L1 and L2
- Connect Fronius IG No. 2, No. 5, No. 8, ... to L2 and L3
- Connect Fronius IG No. 3, No. 6, No. 9, ... to L1 and L3
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AC-side terminals and grounding terminals
(6)
(7)
N
(4)
(5)(1)(2) (3)
The white plastic divider that separates the AC from the DC connection area is not shown in the figure.
(1) 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.
(2) = Neutral conductor N
NOTE! The neutral conductor is not bonded to ground internally.
(3) AC disconnect
(4) 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.
(5) Grounding Electrode Terminal (GET)
A grounding electrode terminal may be required depending on local regulations
32
Page 35
(6) = Phase conductor L1
(7) = Phase conductor L2
EN-US
Cross section of AC wires
Safety Only an authorized electrician is permitted to connect this inverter to the public grid.
WARNING! An electric shock can be fatal. Inadequately sized electrical compo-
nents 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 12, min. 167 °F (75 °C), copper wire for the AC connec­tion of the FRONIUS IG 2000, 3000 and 2500-LV.
- Use minimum AWG 10, min. 167 °F (75 °C), copper wire for the AC connec­tion of the FRONIUS IG 4000, 5100 and 4500-LV.
- Use minimum AWG 14, min. 167 °F (75 °C), copper wire for all grounding wires (see NEC table 250.122).
- Voltage drop and other considerations may dictate larger size wires be used.
- Use only solid or stranded wire. Do not use fine stranded wire.
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.
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.
33
Page 36
Removing knock-
(3) (2) (1)(4)
outs and mount­ing conduits
Available knockouts:
(1) Connecting plate (2) Knockout 1/2 in. / 3/4 in. for DC cables (3) Knockout 1/2 in. / 3/4 in. for AC cables (4) Knockouts on inverter side 1/2 in. / 3/4 in. for AC or DC cables
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.
1/2 in.
2
1
1/2 in.
1
Removing knockouts
Remove knockouts for AC and DC cables on the inverter side or on the inverter un-
1
1
2
3/4 in.
1
3/4 in.
derside according to the figure
34
NOTE! Procedure for removing knockouts for conduit fittings with a diameter ex­ceeding 3/4 in.:
- Remove connecting plate (2)
- Remove knockouts
- Fix the connecting plate (2) again
NOTE! Use only water tight conduit fittings and conduits. Conduit fittings and con­duits are not part of the scope of supply for the inverter.
Page 37
Connecting the inverter to the public grid (AC)
Insert a 1/2 or 3/4 in. conduit fitting in the knockouts labeled "AC" and fasten it
2
Insert a 1/2 or 3/4 in. conduit fitting in the knockout labeled "DC" and fasten it
3
(5)(1)(2) (3)
(4)
N
(6)
EN-US
(7)
Insert the AC cables and the grounding cables through the AC conduits into the invert-
1
er
Connect AC cables to the AC terminals L1 (6), L2 (7) and N (2)
2
Connect grounding cables to the ground terminal (4)
3
Tightening torque = 1.7 ft. lb.
NOTE! Form a min. 4 in. wire loop using all wires
Recommenda­tion for the AC­side overcurrent protection
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:
- 20A ... IG 2000 / 3000 / 2500-LV (15 A is permissible)
- 30A ... IG 4000 / 5100 / 4500-LV (25 A is permissible with the IG 4000)
35
Page 38
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.
36
Page 39
Connecting Solar Module Strings to the Fronius IG (DC)
EN-US
General informa­tion about solar modules
Safety
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.
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.
- 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 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.
37
Page 40
DC terminals
(1)
(2)
+++ -- -
Solar module ground
DC+
The white plastic divider that separates the AC from the DC connection area is not shown in the figure.
(1) DC disconnect
(2) DC terminal block
(3) GFDI fuse
The inverter is equipped with a ground-fault detection and interruption (GFDI) circuit as re­quired by UL 1741 and the National Electrical code. The array’s negative conductor is connected to the grounding system in the inverter.
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.
DC-
(3)
38
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.
Page 41
Wire cross sec­tion of solar mod­ule strings
WARNING! An electric shock can be fatal. Inadequately sized electrical compo-
nents 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, min. 167 °F (75 °C), copper wire for the DC connec­tion of the FRONIUS IG 2000, 3000 and 2500-LV.
- Use minimum AWG 14, min. 167 °F (75 °C), copper wire for the DC connec­tion of the FRONIUS IG 4000, 5100 and 4500-LV
- 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.
EN-US
Connecting solar module strings
NOTE! Use only water tight conduit fittings and conduits. Conduit fittings and con-
duits are not part of the scope of supply for the inverter.
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.
39
Page 42
(1)
(2)
+++ -- -
DC+
To access the DC terminals, bend upward the white plastic divider.
It is possible to connect up to 3 PV-strings in parallel within the Fronius IG inverter.
Insert the DC cables and the grounding cables through the DC conduit into the inverter
1
Connect the DC cables to the DC terminal block:
2
- connect the positive (+) cables to the "DC+" terminals
- connect the negative (-) cables to the "DC-" terminals
Connect grounding cables to free grounding terminals
3
Tigtening torque = 1.7 ft. lb.
NOTE! Form a min. 4 in. wire loop using all wires.
DC-
(3)
40
Page 43
Commissioning
EN-US
Factory pre-set configuration
Commissioning Close the connection area
The inverter has been pre-configured in the factory and is ready for operation.
To change your inverter settings, please see section ‘The setup menu’ in the chapter ‘Op­eration.’
1
If available, turn on an external AC disconnect
2
Switch AC disconnect on the inverter to the "ON" position
3
Switch DC disconnect on the inverter to the "ON" position
4
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.
The screen displays the startup phase.
- Segmenttest All display elements light up for about one second.
- 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.
41
Page 44
- 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.
- 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' (Startup Phase, Test Procedure).
42
Page 45
Inserting Option Cards
EN-US
Suitable option cards
Safety
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)
- Fronius Interface Card Easy (sends all relevant working parameters in a well defined RS-232 protocol)
- Fronius Personal Display
- Various large displays (Fronius Public Display)
- Sensors (temperature sensors / irradiation sensors / ...)
System upgrades are available as plug-in cards and as external boxes.
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.
43
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Inserting and connecting op­tion cards
When adding option cards to the inverter, please follow all inverter safety instructions and information before opening the inverter.
Switch the AC and DC disconnect on the inverter to the OFF position
1
Open connection area
2
*
* Insert the Com Card in the left-most slot named "ENS" ** Insert any of the following cards in option slot 1 or 2:
Datalogger Card, Personal Display Card, Interface Card easy, Sensor Card
Insert option card (2) into a free slot
3
Tighten option card (2) with fastening screw (1)
4
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.
(3)
**
(2)
(1)
(3)
44
Remove knockouts (3) for data communication cables
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.
Insert a 1/2 or 3/4 in. conduit fitting in the knockout (3) labeled "DatCom" and fasten it
6
Page 47
Insert data communication cables through the DatCom conduit and connect them to
7
the sockets "IN" and "OUT"
IMPORTANT! When networking several DATCOM components, a termination plug must be placed on each free IN and/or OUT connection of a DATCOM component.
Close the connection area
8
Switch the AC and DC disconnects on the inverter to the "ON" position
9
EN-US
45
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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
IN
Com Card
OUT
12 3
Fronius IG
PC
Com Card
Datalogger C.
OUT
RS 232
°C
Sensor Box
IN OUT
m/s
W/m²
Fronius IG
IN
Com Card
OUT
IN
= Terminating plug
46
Page 49
Illustration explanation: Data network with 3 Fronius IG units and one Fronius Sensor Box:
- all Fronius IG units have one 'Fronius COM Card'
- one Fronius IG 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 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.
EN-US
47
Page 50
48
Page 51
Operation
Page 52
Page 53
Product description
Controls and Indi­cators
EN-US
(1)
(6)
Item Function
(1) Display
for displaying values, settings and menus
(2) Operating Status LED
for displaying the operating status
(3) LED GFDI-Status
for displaying the GFDI status
(4) "Enter" key
for confirming a selection
(5) "Menu / Esc" key
for scrolling through menu options for exiting the Setup menu
(5)
(2)
(4) (3)
(6) "Down/Right" key
depending on the selection: for navigating down for navigating right
(7) "Left/Up" key
depending on the selection: for navigating left for navigating up
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Display 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.
(1) (2)
(13)
(12)
(11) (10)
Item Function
(1) Icons for the "Now" display mode
(2) Icons for the "Day" display mode
(3) Icons for the "Year" display mode
(4) Icons for the "Total" display mode
(5) Icons for the "Setup" display mode
(6) Icons for operating conditions
(3) (4) (5)
(6)
(7)
(9) (8)
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
... appears with data readings that are related to environmental con­ditions, like sunlight insolation and temperature (optional)
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Item Function
Operating Status LED and GFDI Status LED
... appears with data readings that are transmitted by the consumption sensor (optional)
(7) Range for display unit
for displaying the applicable measuring unit
(8) Icon for the "Enter" key
(9) Icons for the "Menu/Esc" key
(10) Icons for the "Down/Right" key
(11) Icons for the "Left/Up" key
(12) Range for display value
for displaying the value
(13) 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
EN-US
Position of Operating Status LED (A) and the GFDI Ststus LED (B) on the inverter
Depending on the operating status, the Operating Status LED assumes different colors:
(A)
(B)
Operating Status LED (A)
Steady green The LED stays lit after the automatic startup phase of the invert-
Flashing green The photovoltaic system is working correctly, a status code is on
Steady orange The inverter enters an automatic startup phase as soon as the
Explanation
er as long as power is being fed into the grid. It indicates problem-free operation of the photovoltaic system.
the display.
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.
solar modules are delivering sufficient power after sunrise.
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Operating Status LED (A)
Flashes orange A warning is shown on the display
Steady red General status: the respective status code is shown on the
Remains dark There is no connection to the solar modules,
Explanation
or the inverter has been set to standby operation in the Setup menu (= manual shutoff of operation).
The next day, operation will resume automatically.
During the time the LED flashes orange, operation can be re­sumed manually at any time (see section "The Setup Menu")
screen
no solar module power due to darkness.
GFDI Status LED (B)
remains dark there is no ground fault in the PV system;
lights up red - a ground fault is detected and the GFDI fuse is blown
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."
Explanation
the system is working properly
- the inverter does not feed energy to the grid
- the ground fault needs to be removed and the GFDI fuse needs to be changed (see section "Ground fault indication" in the chapter "Status Diagnosis and Troubleshooting")
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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’)
EN-US
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.’
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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.
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Navigation in the Menu Level
EN-US
Activating display illumination
Accessing the Menu Level
Press any key
1
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.
Press the "Menu" key (1)
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
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The Display Modes
The Display Modes
Selecting a Dis­play Mode
"Now" display mode ...... Displays real-time values
"Day" display mode ...... Displays values for power fed into the grid during that day
"Year" display mode ...... Displays values for the present calendar year - only avail-
able in combination with optional Fronius Datalogger
"Total" display mode ...... Displays values for power fed into the grid since the in-
verter was started for the first time
Accessing the menu level
1
Use the "left" (7) or "right" (6) keys to
(1) (2) (3) (4)
2
select your preferred display mode (1)
- (4)
Press "Enter" (5)
3
(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.
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Page 61
Overview of Dis­play Values
Display mode
"Now" W - Output power
"Day" kWh / MWh - Energy fed into the grid
Symbol Unit Optional Display value
V - Grid voltage
A - Output current
Hz - Grid frequency
V - Solar module voltage
A - Solar module current
°F x solar module temperature
- - GFDI status
W x energy as read by consumption me-
ter
°F x ambient temperature
W/m² x irradiance
HH:MM x Time
EN-US
"Year" Currency - Return
"Total" kg / T - CO2 reduction
W - Max. output power
V - Maximum grid voltage
V - Minimum grid voltage
V - Maximum array voltage
kWh / MWh x output reading of consumption me-
ter
°F x max. solar module temperature
°F x min. solar module temperature
°F x max. ambient temperature
°F x min. ambient temperature
W/m² x max. irradiance
HH:MM - Service hours completed by the in-
verter
x Optional
If the DatCom component for the required options is not available, the message "N.A." (not available) is shown.
59
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Display Values in "Now" Display Mode
Selecting the "Now" Display Mode
Display values in the ‘Now’ display mode
(1) (2)
Select the "Now" display mode
1
The first display value in the "Now" display mode appears
Use the "Down" (2) key to scroll to the
2
next display value
Scroll back using the "Up" key (1)
Output power
power supplied to grid at the particular moment (Watts)
*) only for multi-phase inverters
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)
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Solar module current
current supplied by solar array at the par­ticular moment (Amperes)
Solar modul temperatur (optional Sen­sor Card/Box)
temperature at solar modules, tempera­ture sensor No.1 (°F)
GFDI status
if there is no ground fault in the system "GFDI OK" is displayed
Output reading of consumption meter (optional Sensor Card/Box)
present power drawn from the grid (Watts)
Ambient temperature (optional Sensor Card/Box)
Temperatur-Sensor No. 2 (°F)
EN-US
Irradiance (optional Sensor Card/Box)
the sunlight’s power per square meter (W/m²)
GFDI status
If there is no ground fault in the system, ‘GFDI 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.
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Display Values in "Day / Year / Total" Display Modes
General For the inverter 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)
-CO2 reduction (lbs.)
- maximum power supplied (Watts)
- maximum grid voltage (Volts)
- minimum grid voltage (Volts)
- energy as read by consumption meter
- 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:
(1) (2) (1) (2)
First Display Value in the "Total" Display Mode:
First Display Value in the "Year" Display Mode:
62
(1) (2)
Select the "Day" or
1
"Year" or "Total" display mode
The first display value in the selected dis­play mode appears.
Use the "Down" (2) key to scroll to the
2
next display value
Scroll back using the "Up" key (1)
Page 65
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.
EN-US
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
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Maximum solar module voltage
Highest reading of solar module voltage (V) during the observation period
Energy consumption meter reading (optional Sensor Card/Box and con­sumption sensor )
energy consumed during observation pe­riod (kWh / MWh)
Maximum solar module temperature (optional Sensor Card/Box)
highest temperature reading at solar mod­ules during observation period (°F) temperature sensor No. 1
Minimum solar module temperature (optional Sensor Card/Box)
lowest temperature reading at solar mod­ules during observation period (°F) temperature sensor No. 1
Maximum ambient temperature (op­tional Sensor Card/Box)
highest ambient temperature reading during observation period (°F) temperature sensor No. 2
Minimum ambient temperature (option­al Sensor Card/Box)
lowest ambient temperature reading during observation period (°F) temperature sensor No. 2
Maximum irradiance (optional Sensor Card/Box)
highest irradiance during observation peri­od (W/m²)
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.
Options If the DatCom component for the required options is not available, the message "N.A." (not
available) is shown.
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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.
EN-US
Accessing the Setup Menu
(1)
(4) (3) (2)
Switch to the menu level (press the
1
"Menu" key)
Select the "Setup" (1) mode using the
2
"Left" (4) or "Right" (3) keys
Press "Enter" (2)
3
The Setup Menu’s first menu item "STAND­BY" is shown.
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Scrolling through Menu Items
Example: "STANDBY" menu item Example: "CONTRAST" menu item
(1) (2) (1) (2)
Access the Setup menu
1
Scroll through the available menu items using the "Up" (1) and "Down" (2) keys
2
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Menu Items in the Setup Menu
EN-US
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:"
CONTRAST
To maintain Standby operation:
- Press the "Esc" key
To end Standby operation:
- Press the "Enter" key
Contrast setting on LCD display
Unit -
Setting range 0 - 7
Factory setting 7
Since contrast depends on temperature, it may be necessary to adjust the "CONTRAST" menu item when ambient conditions change.
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MENU MODE
‘MENU MODE‘ cannot be selected.
LIGHT MODE
Initial setting for display illumination.
Unit -
Setting range AUTO / ON / OFF
Factory setting AUTO
AUTO: The display illumination will stop 30 seconds after the last time
a key has been pressed.
ON: The display will remain illuminated whenever power is supplied
to the grid.
OFF: The display illumination will be permanently 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).
CASH
IG no.
Setting of currency and rate for invoicing the energy supplied
Unit -
Display area Currency / Charge rate/kWh
Factory setting USD
Number setting (address) of the inverter in a setup comprising multiple solar inverters linked together
Unit -
Setting range 01 - 99 (100th inverter = 00)
Factory setting 1
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IMPORTANT! Each inverter must be assigned its own address when connecting several inverters in a data communications system.
EN-US
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 DDMMYYYY, HH:MM
Setting range Date / Time
Factory setting -
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.
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VERSION
displays the version number and serial number of the electronic components (e.g. IG control unit and the power stage sets)
Unit -
Display area MAIN CTRL / PS (PS00, PS01)
Factory setting -
MAINCTRL Version information of the IG control unit (inverter controller)
PS Version information of the power stage sets (PS00 - PS01)
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Setting and Displaying Menu Items
EN-US
Setting Menu Items - General
Access the Setup menu
1
Use the "Up" or "Down" keys to select the desired menu item
2
Press the "Enter" key
3
The first digit of a value to be set flash­es:
Use the "Up" and "Down" keys to se-
4
lect a value for the first digit
Press the "Enter" key
5
The second digit of the value flashes.
Repeat steps 4 and 5 until ...
6
the entire value flashes.
Press the "Enter" key
7
Repeat steps 4 - 6 for units or other
8
values to be set until the unit or value flashes.
Press the "Enter" key to save and ap-
9
ply the changes.
The available settings are displayed:
Use the "Up" and "Down" keys to se-
4
lect the desired setting
Press the "Enter" key to save and ap-
5
ply the selection.
Press the "Esc" key to not save the selection.
Examples of Set­ting and Display­ing Menu Items
Press the "Esc" key to not save the changes.
The currently selected menu item is dis­played.
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
The currently selected menu item is dis­played.
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Setting the cur­rency and rate
Select the ‘CASH’ menu item
1
Press the ‘Enter’ key
2
The currency is display, factory setting = ‘USD’; The first character flashes.
Use the ‘Up’ and ‘Down’ keys to select
3
a letter for the first character
Press the ‘Enter’ key
4
The second character flashes.
Use the ‘Up’ and ‘Down’ keys to select
5
a letter for the second character
Press the ‘Enter’ key
6
The third character flashes.
Use the ‘Up’ and ‘Down’ keys to select
7
a letter for the third character
Press the ‘Enter’ key
8
The set currency flashes.
Press the ‘Enter’ key
9
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The rate for energy supplied is now display­ed in kWh / currency, factory setting = 0.14 USD / kWh; The first digit flashes.
Use the ‘Up’ and ‘Down’ keys to select
10
a value for the first digit (e.g., 0)
Press the ‘Enter’ key
11
The second digit flashes.
Use the ‘Up’ and ‘Down’ keys to select
12
a value for the second digit (e.g., 0)
Press the ‘Enter’ key
13
EN-US
The first digit after the decimal point flas­hes.
Use the ‘Up’ and ‘Down’ keys to select
14
a value for the first digit after the deci­mal point (e.g., 4)
Press the ‘Enter’ key
15
The second digit after the decimal point flashes.
Use the ‘Up’ and ‘Down’ keys to select
16
a value for the second digit after the decimal point (e.g., 8)
The values that can be set range from
00.01 to 99.99.
Press the ‘Enter’ key
17
The set rate for energy supplied flashes.
Press the ‘Enter’ key
18
The currency and the rate for supplied energy are now accepted.
Press the ‘Esc’ key to exit the ‘CASH’
19
menu item
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Displaying and Setting Parame­ters in the "DAT­COM" Menu Item
Available data connection
Select menu item ‘DATCOM’
1
Press the ‘Enter’ key
2
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, ‘OK­COM’ is shown.
Use the ‘Down’ key to select available
3
data:
e.g. Reset Personal Display Card (‘PD­CDRST’) ...
... or Reset Interface Card (‘IFCDRST’)
Press the ‘Enter’ key
4
‘PDCD DONE‘...
...or...
‘IFCDDONE’ is shown
Press the ‘Esc’ key 2x to exit menu
5
item ‘DATCOM’
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Data connection faulty or an option is not installed
If there is a faulty data connection or op­tions are not installed ‘ERRORCOM’ is shown.
Press the ‘Esc’ key to exit menu item
3
‘DATCOM’
EN-US
Setting Time and Date
Select the "TIME" menu item
1
Press the "Enter" key
2
The date is displayed (DD.MM.YYYY), the first digit for the day flashes.
Use the "Up" and "Down" keys to
3
select a value for the first day digit
Press the "Enter" key
4
The second digit for the day flashes.
Use the "Up" and "Down" keys to
5
select a value for the second day digit
Press the "Enter" key
6
The first digit for the month flashes.
Use the "Up" and "Down" keys to
7
select a value for the first month digit
Press the "Enter" key
8
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The second digit for the month flashes.
Use the "Up" and "Down" keys to
9
select a value for the second month di­git
Press the "Enter" key
10
The first digit for the year flashes.
Use the "Up" and "Down" keys to
11
select a value for the first year digit
Press the "Enter" key
12
The second digit for the year flashes.
Use the "Up" and "Down" keys to
13
select a value for the second year digit
Press the "Enter" key
14
The third digit for the year flashes.
Use the "Up" and "Down" keys to
15
select a value for the third year digit
Press the "Enter" key
16
The fourth digit for the year flashes.
Use the "Up" and "Down" keys to
17
select a value for the fourth year digit
Press the "Enter" key
18
76
The set date then flashes.
Press the "Enter" key
19
Page 79
The time is displayed (HH:MM), the first di­git for the hour flashes.
Use the "Up" and "Down" keys to
20
select a value for the first hour digit
Press the "Enter" key
21
The second digit for the hour flashes.
Use the "Up" and "Down" keys to
22
select a value for the second hour digit
Press the "Enter" key
23
The first digit for the minutes flashes.
Use the "Up" and "Down" keys to
24
select a value for the first minutes digit
Press the "Enter" key
25
EN-US
The second digit for the minutes flashes.
Use the "Up" and "Down" keys to
26
select a value for the second minutes digit
Press the "Enter" key
27
The set time flashes.
Press the "Enter" key to apply the time
28
Press the "Esc" key to exit the "TIME"
29
menu item
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Troubleshooting and Maintenance
Page 82
Page 83
Status Diagnosis and Troubleshooting
EN-US
Displaying Sta­tus Codes
Normal Operation 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.
The open circuit voltage of the solar mod­ules is too low.
As soon as the open circuit voltage exceeds 150 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 < 170 V ... error in the photovoltaic system
Open circuit voltage > 170 V ... may indicate a basic fault in the inverter. In this case, notify a Fronius-trained service engineer.
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Ground fault indi­cation
If a ground fault occurs in the DC cabling, the inverter disconnects from the grid. The fault is indicated by the red ground-fault LED and the service code "434" is shown on the display. In this situation, the inverter is blocked from reconnection to the grid until the following ac­tions are taken:
- Switch the AC and DC disconnect to position “OFF“ (open-circuit)
- Remove the ground fault in your photovoltaic system
- Test the GFDI fuse and replace if necessary
NOTE! When a defective fuse is changed, only replace it with a "Littlefuse KLKD 1 AMP 600V" fuse.
- Switch the AC and DC disconnect to position “ON“ (closed circuit)
Status Codes on Fronius IG 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."
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
82
"ENTER"
- Press the "Enter" key twice
Page 85
- The status display of the power stage sets "STATE PS" appears
- Press the "Enter" key
EN-US
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.
101
Grid voltage not within admissible range
Behavior Grid voltage is thoroughly tested and as soon as it is again with-
in the permissible range, the inverter will resume feeding power into the grid.
Remedy Check grid connections and fuses
Should the status code persist, you should contact your system installer
104
Grid frequency not within admissible range
Behavior Grid frequency is thoroughly tested and as soon as it is again
within the permissible range, the inverter will resume feeding power into the grid.
Remedy Check grid connections, breakers and disconnect
Should the status code persist, you should contact your system installer
107
No AC grid detected
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 Check grid connections and fuses
Should the status code persist, you should contact your system installer
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108
Islanding detected
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 Should the status code persist, you should contact your system
installer
Class 2 Status Codes
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.
221
Grid voltage (L1/N) 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 con-
tact your electrical contractor
222
Grid voltage (L1/N) below 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 con-
tact your electrical contractor
223
Grid voltage (L2/N) 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 con-
tact your electrical contractor
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224
Grid voltage (L2/N) below admissible limits
Class 3 status codes
Behavior As soon as the grid voltage has returned to admissible range,
EN-US
the inverter resumes feeding power into the grid.
Remedy Check grid voltage; if the status code persists you should con-
tact your electrical contractor
225
No grid voltage detected
Behavior As soon as the grid conditions have returned to admissible
range, the inverter resumes feeding power into the grid.
Remedy Check grid connections and fuses; if the status code does not
disappear you should contact your electrical contractor
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 Short interruption of power feeding into the grid due to overcur-
rent. The inverter returns to the startup phase.
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer
302
Overcurrent (DC)
Description Short interruption of power feeding into the grid due to overcur-
rent. The inverter returns to the startup phase.
Remedy Fault is rectified automatically
If this status code keeps recurring, contact your system installer
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303 *
Over-temperature AC side
Description Short interruption of power feeding into the grid due to over-
temperature. 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 DC side
Description Short interruption of power feeding into the grid due to over-
temperature. The inverter returns to the startup phase.
Remedy Fault is rectified automatically
If this status code keeps recurring, 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 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
* Service code 303 and 304 are shown briefly under certain circumstances. A brief
display of the service codes 303 and 304 does not mean there is a fault.
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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
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
402
Communication with EEPROM not possible
Description The inverter will automatically attempt to connect again and, if
possible, resume feeding power into the grid.
EN-US
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
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 tech-
nician
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 tech-
nician
407
Temperature sensor at cooling element defective
Description The inverter disconnects from the grid for safety reasons.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
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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 tech-
nician
409
No +15V supply available for the control electronics
Description The inverter does not connect to the grid.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
410
Service plug was not inserted in its original position
Description 2-pole plug inserted in the wrong socket.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
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.
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 The inverter briefly disconnects from the grid, if AC voltage or
frequency are out of range.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
414
EEPROM faulty
Description Memory deleted
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
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416
Communication with IG Brain not possible.
Description The Operating Status LED lights up orange, then the inverter at-
tempts a restart.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
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 tech-
nician
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 tech-
nician
421
PCB number has been set incorrectly
EN-US
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 tech-
nician
425
Communication with the power stage set is not possible
Description The Operating Status LED lights up orange, then the inverter at-
tempts a restart.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
434
Ground fault detected
Description Inverter is blocked from feeding energy into the grid.
Remedy Remove the ground fault in your photovoltaic system
Change GFDI fuse
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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
GFDI stopped grid monitoring
Description If it is possible, your inverter will resume the power feeding op-
eration after successfully completing another attempt to con­nect
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
448
The neutral conductor N is not connected
Class 5 status codes
Description The inverter disconnects from the grid for safety reasons.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
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.
90
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
504
No Solar Net communication possible
Description Inverter address issued twice.
Remedy Change inverter address (section: ‘The setup menu’)
Page 93
Description The Solar Net components required are in the inverter: Howev-
er, communication is still not currently possible.
Remedy Status code will disappear after changing the inverter address
505
EEPROM faulty
Description Data from the Setup menu are lost.
Remedy Remedied automatically
506
EEPROM faulty
Description Data from the ‘Total’ menu are lost.
Remedy Remedied automatically
507
EEPROM faulty
Description Data from the ‘Day’ / ‘Year’ menu are lost.
Remedy Remedied automatically
508
Inverter address incorrect
EN-US
Description Address for data communication is no longer saved.
Remedy Set address again
509
24h no feed in
Description Example: solar modules covered with snow
Remedy Example: remove snow from solar modules
510
EEPROM faulty
Description SMS settings were restored to default.
Remedy If necessary, reconfigure SMS
511
EEPROM faulty
Description Sensor card settings were restored to default
Remedy If necessary, reconfigure metering channels
91
Page 94
512
Too many power stage sets in the system
Description Too many power stage sets have been detected in the system.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
514
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 If status code persists: Contact a Fronius-trained service tech-
nician
515
Faulty plug connections
Description Temperature sensor on cooling element faulty or not connected
properly.
Remedy If status code persists: Contact a Fronius-trained service tech-
nician
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
Remedy Check possible errors referred to in ‘Description.’ If status code
persists: Contact a Fronius-trained service technician
Customer Service
92
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
Page 95
Appendix
Page 96
Page 97
Technical Data
Fronius IG 2000 Input data
Recommended PV power 1500 -2500 Wp
MPP voltage range 150 - 400 V DC
Max. input voltage (at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage 280 V
Nominal input current 7.2 A
Max. input current 13.6 A
Max. array short circuit current 25 A
Output data
EN-US
500 V DC
Nominal output power (P
P
at +122 °F (50 °C) 1800 W
nom
Max. output power 2000 W
Nominal AC output voltage 240 V
Grid voltage tolerance +10 / -12 %
Operating AC voltage range default, 212 - 264 V
Adjustment range for voltage, 180 - 270 V
Voltage trip limit accuracy ± 1.5 % of nominal value
Nominal output current 7.5 A AC
Number of phases 1
Maximum continuous utility backfeed current * 0 A
Synchronization in-rush current * 0 A
Maximum output fault current / duration 8.35 A / 60 ms
Nominal output frequency 20 A
Operating frequency range 60 Hz
Adjustment range for frequency 59.3 - 60.5 Hz
Frequency trip limit accuracy 57.0 - 60.5 Hz
Frequency clearing times ± 0.02 Hz
Harmonic distortion < 5 %
Power factor (at nominal output power)
* assured by electrical design of the inverter
) 1800 W
nom
1
95
Page 98
General data
Maximum efficiency 95.2 %
Night consumption < 0.15 W
Consumption during operation 7 W
Cooling Controlled forced ventilation
Degree of protection NEMA 3R
Unit dimensions w x h x d 18.5 x 16.33 x 8.71 in.
470 x 418 x 223 mm
Weight 26 lbs.
11.8 kg
Permissible ambient temperature (with 95% rel. humidity)
Safety equipment
Ground fault protection internal GFDI
(Ground Fault Detector/Interrupter)
Islanding protection integrated
Protection against reverse polarity integrated
Over temperature output power derating /
-13 °F - +122 °F
- 25 °C - +50 °C
active cooling
96
Page 99
Fronius IG 3000 Input data
Recommended PV power 2000 -3300 Wp
MPP voltage range 150 - 400 V DC
Max. input voltage (at 1000 W/m² / 14 °C in an open circuit)
Nominal input voltage 280 V
Nominal input current 10.0 A
Max. input current 18 A
Max. array short circuit current 25 A
Output data
EN-US
500 V DC
Nominal output power (P
P
at +122 °F (50 °C) 2000 W
nom
) 2500 W *
nom
Max. output power 2700 W
Nominal AC output voltage 240 V
Grid voltage tolerance +10 / -12 %
Operating AC voltage range default, 212 - 264 V
Adjustment range for voltage, 180 - 270 V
Voltage trip limit accuracy ± 1.5 % of nominal value
Nominal output current 10.4 A AC
Number of phases 1
Maximum continuous utility backfeed current ** 0 A
Synchronization in-rush current ** 0 A
Maximum output fault current / duration 11.25 A / 60 ms
Nominal output frequency 20 A
Operating frequency range 60 Hz
Adjustment range for frequency 59.3 - 60.5 Hz
Frequency trip limit accuracy 57.0 - 60.5 Hz
Frequency clearing times ± 0.02 Hz
Harmonic distortion < 5 %
Power factor (at nominal output power)
* Valid to 104 °F (40 °C) when DC operating voltage is above 200 V ** assured by electrical design of the inverter
1
97
Page 100
General data
Maximum efficiency 95.2 %
Night consumption < 0.15 W
Consumption during operation 7 W
Cooling Controlled forced ventilation
Degree of protection NEMA 3R
Unit dimensions w x h x d 18.5 x 16.33 x 8.71 in.
470 x 418 x 223 mm
Weight 26 lbs.
11.8 kg
Permissible ambient temperature (with 95% rel. humidity)
Safety equipment
Ground fault protection internal GFDI
(Ground Fault Detector/Interrupter)
Islanding protection integrated
Protection against reverse polarity integrated
Over temperature output power derating /
-13 °F - +122 °F
- 25 °C - +50 °C
active cooling
98
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