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Fronius IG-TL 3.0 Operating Instructions Manual

Inverter for grid-connected photovoltaic systems.
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Fronius IG-TL 3.0 / 3.6 / 4.0 / 4.6 / 5.0
42,0426,0074,EA
03/2011
Operating Instructions
g
Inverter for grid-connected photo-
voltaic systems

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Table of Contents

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   Summary of Contents for Fronius IG-TL 3.0

  • Page 1 Fronius IG-TL 3.0 / 3.6 / 4.0 / 4.6 / 5.0 Operating Instructions Inverter for grid-connected photo- voltaic systems 42,0426,0074,EA 03/2011...
  • Page 3 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.
  • Page 5: Table Of Contents

    Separating the wall bracket and power stage set ................. Installation position ..........................Attaching the wall bracket - Wall installation..................Attaching the wall bracket - Column installation ................... Connecting the Fronius IG TL to the public grid (AC) ................Monitoring the Grid ..........................AC terminals ............................Connecting aluminum cables........................
  • Page 6 Connecting Solar Module Strings to the Fronius IG TL (DC)..............Inserting String Fuses into the Fronius IG TL .................... General ..............................Selecting string fuses..........................Safety..............................Inserting string fuses into the Fronius IG TL ..................Criteria for the Proper Selection of String Fuses ..................
  • Page 7 Class 10 - 12 status codes........................114 Customer Service ..........................114 Maintenance .............................. 115 Safety..............................115 General ..............................115 Opening Fronius IG TL for service/maintenance .................. 115 Operation in dusty environments ......................116 Replacing String Fuses..........................118 Safety..............................118 Preparation ............................118 Replacing fuses ............................
  • Page 8 Transportation............................132 Fronius subsidiaries ..........................133 Rules to be observed in connection with warranty claims ..............133 Scope and Validity of Manufacturer's Warranty ..................133 Exceptions to the Fronius manufacturer's warranty ................133 Other Legal Information ........................134 Disposal ..............................134...
  • Page 9: Safety Rules

    Safety rules Safety Rules Ex- DANGER! Indicates an imminently hazardous situation which, if not avoided, will planation result in death or serious injury. WARNING! Indicates a potentially hazardous situation which, if not avoided, will result in death or serious injury. CAUTION! Indicates a potentially harmful situation which, if not avoided, may re- sult in minor and moderate injury or property damage.
  • Page 10 Utilization in Ac- The device is to be used exclusively for its intended purpose. cordance with "Intended Pur- Utilization for any other purpose, or in any other manner, shall be deemed to pose" be "not in accordance with the intended purpose." The manufacturer shall not be liable for any damage resulting from such improper use.
  • Page 11 Data Regarding The inverter generates a maximum sound power level of < 80 dB(A) (ref. 1 Noise Emission pW) when operating under full load in accordance with IEC 62109-1. Values The device is cooled as quietly as possible with the aid of an electronic tem- perature control system, and depends on the amount of converted power, the ambient temperature, the level of soiling of the device, etc.
  • Page 12 Electrical Installa- Electrical installations must only be carried out according to relevant national tions and local standards and regulations. Protective Mea- Danger of damage to electrical components from electrical discharge. Suitable sures against measures should be taken to protect against ESD when replacing and install- ing components.
  • Page 13 Copyright 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 instruc- tions shall not provide the basis for any claims whatsoever on the part of the purchaser.
  • Page 15: General Information

    General Information...
  • Page 17: Protection Of Persons And Equipment

    Protection of Persons and Equipment Safety 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"...
  • Page 18: Warning Notices Affixed To The Device

    Warning notices The inverter wall bracket contains warning notices and safety symbols. These warning no- affixed to the de- tices and safety symbols must NOT be removed or painted over. The notices and symbols vice warn against operating the equipment incorrectly, as this may result in serious injury and damage.
  • Page 19 Safety Symbols: Risk of serious injury or damage due to incorrect operation Do not use the functions described until you have thoroughly read and under- stood the following documents: These operating instructions All operating instructions for the system components of the photovoltaic system, especially the safety rules Dangerous electrical voltages Warning Notice Texts:...
  • Page 20: Utilization In Accordance With "intended Purpose

    Utilization in accordance with "intended purpose" Utilization in Con- The Fronius IG TL solar inverter is designed exclusively to convert direct current from solar formity with "In- modules into alternating current and feed this power into the pubic grid. tended Purpose"...
  • Page 21: The Fronius Ig Tl Unit In The Pv System

    Data logger (when using a PC to record and manage data from your photovoltaic sys- tem), includes a data logger and a modem interface. Various large-format displays Actuators (e.g.: relays, alarms) Fronius Sensor Box (sensors for temperature, irradiance, energy measurement, etc.) Fronius DC Box 60/12 (general mailbox)
  • Page 22: Active Inverter Cooling

    Active inverter The inverter's temperature-controlled, variable-speed fan with ball-bearing support pro- cooling vides: Optimal inverter cooling Higher efficiency Cooler parts, thus extending the service life The least possible energy consumption and lowest possible noise level Weight reduction due to the reduction of the cooling element surface Power derating Should there be insufficient heat dissipation in spite of the fan operating at maximum speed (for example, inadequate heat transfer away from the heat sinks), the power will be derated...
  • Page 23: Installation And Startup

    Installation and Startup...
  • Page 25: Fronius Ig Tl Installation And Connection

    The inverter is delivered with these compo- nents assembled. Fronius IG TL main components Overview ‘Fronius IG TL Installation and Connection’ contains the following sections: Choosing the Location Connection Options and Knockouts on the Fronius IG TL Attaching the Wall Bracket...
  • Page 26: Choosing The Location

    When installing more than one unit, keep a distance of 300 mm between individual Fronius IG TL units. The air flow direction within the inverter is from left to right (cold air intake on the left, hot air outflow on the right).
  • Page 27: Choosing A Location For Inside Installation

    Choosing a Loca- During certain operation phases the inverter may produce a slight noise. For this reason tion for Inside In- it should not be installed in an occupied living area. stallation 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,...
  • Page 28: Connection Options And Knockouts On The Fronius Ig Tl

    Connection Options and Knockouts on the Fronius IG TL Connection op- tions on the Fro- nius IG TL Connection options on the wall bracket of the Fronius IG TL Item Description DC+ terminals Strain relief device DC- terminals Metric screw joint M32 or M40 (AC connection)
  • Page 29 Item Description 5 inputs for DC+ cables, cable diameter min. 4 - max. 9 mm 1 input for DC+ cable, cable diameter min. 4 - max. 11 mm 5 inputs for DC- cables, cable diameter min. 4 - max. 9 mm 1 input for DC- cable, cable diameter min.
  • Page 30: Attaching The Wall Bracket

    Attaching the Wall Bracket Selecting dowels IMPORTANT! Depending on the surface, different dowels and screws may be required for and screws installing the wall bracket. Therefore, these dowels and screws are not part of the scope of supply for the inverter. The system installer is responsible for selecting the proper dowels and screws.
  • Page 31: Attaching The Wall Bracket - Wall Installation

    Attaching the wall CAUTION! The inverter can be damaged by soiling or water on the terminals and bracket - Wall in- contacts of the connection area. stallation When drilling, make sure that terminals and contacts in the connection area do not become soiled or wet. Leave the dust cover in position. The wall bracket apart from the power stage set does not possess the degree of protection of the complete inverter and, therefore, should not be attached without a power stage set.
  • Page 32: Attaching The Wall Bracket - Column Installation

    Attaching the wall CAUTION! The inverter can be damaged by soiling or water on the terminals and bracket - Column contacts of the connection area. installation When drilling, make sure that terminals and contacts in the connection area do not become soiled or wet. Leave the dust cover in position. The wall bracket without the power stage set does not possess the same de- gree of protection as the complete inverter and, therefore, should not be at- tached without a power stage set.
  • Page 33: Connecting The Fronius Ig Tl To The Public Grid (ac)

    Connecting the Fronius IG TL to the public grid (AC) Monitoring the IMPORTANT! The resistance in the leads to the AC-side connection terminals must be as Grid low as possible for optimal functioning of grid monitoring. AC terminals Legend: Phase conductor...
  • Page 34: Ac Cable Cross Section

    When connecting the AC and DC cables, make sure that all terminals are tightened securely using the proper torque. Connecting the NOTE! Finely stranded cables up to conductor class 5 can be connected to the Fronius IG TL to AC-side terminals without wire end ferrules. the public grid (AC)
  • Page 35: Recommendation For The Ac-side Overcurrent Protection

    Inverter Number of Max. output Fuse protection tion for the AC- phases side overcurrent Fronius IG TL 3.0 3130 W 1 x C 25 A protection Fronius IG TL 3.6 3760 W 1 x C 25 A Fronius IG TL 4.0...
  • Page 36: Connecting Solar Module Strings To The Fronius Ig Tl (dc)

    Note the temperature coefficients in the solar module data sheet More exact data for sizing the solar array for the particular location can be obtained using calculations tools such as the Fronius Solar.configurator (available at http:// www.fronius.com). NOTE! Before connecting solar modules, make sure that the voltage specified by the manufacturer corresponds to the actual measured voltage.
  • Page 37: Dc Terminals

    DC terminals DC+ and DC- terminals on the Fronius IG TL Connecting alu- The DC-side terminals are designed for connecting single-wire, round aluminum cables. minum cables The following points must be taken into account when connecting aluminum cables due to...
  • Page 38: Connecting Solar Module Strings To The Fronius Ig Tl (dc)

    NOTE! You should only remove the number of knockouts required for the avail- Module Strings to able cables (e.g., 3 openings for 3 DC cables). the Fronius IG TL (DC) NOTE! Finely stranded cables up to conductor class 5 can be connected to the DC-side terminals without wire end ferrules.
  • Page 39 Tightening torque: min. 1.5 Nm max. 1.7 Nm 12 mm NOTE! When attaching the DC cables using a strain-relief device, make sure that no kinks form in the connected DC cables. Otherwise, you may no longer be able to close the inverter.
  • Page 40 Tightening torque: Tightening torque: min. 1.5 Nm min. 1.5 Nm max. 1.7 Nm max. 1.9 Nm IMPORTANT Check the polarity and volt- age of the solar module strings: the volt- age should be a max. of 850 V; the difference between the individual solar module strings should be a max.
  • Page 41: Inserting String Fuses Into The Fronius Ig Tl

    Inserting String Fuses into the Fronius IG TL General The steps described in the ‘Inserting String Fuses into the Fronius IG TL’ section should only be carried out if the solar module manufacturer requires the use of string fuses for op- eration.
  • Page 42: Inserting String Fuses Into The Fronius Ig Tl

    IMPORTANT! If you add string fuses at a later date, follow all safety information. fuses into the Fronius IG TL CAUTION! If screws are not tightened correctly, there is a danger of damage re- sulting from water getting into the device. The housing cover screws help to seal the power stage set and must not be replaced by different screws.
  • Page 43 NOTE! Use pliers to insert fuses with a fuse cover into their respective fuse holder To prevent the fuse from falling out, only insert the fuse cover into the fuse holder with the opening upright. Do not operate the inverter without fuse covers Place the housing cover at an angle on the power stage set so that there is an opening at the bottom of the power...
  • Page 44: Criteria For The Proper Selection Of String Fuses

    You should only use the following fuses, which have been tested by Fronius, to ensure problem-free fuse protection: Cooper Bussmann PV fuses Fronius shall not be liable for any damage or other incidents resulting from the use of other fuses. Moreover, all warranty claims are voided. Application ex- Example: Maximum short circuit current (I ) for the solar module = 5.75 A...
  • Page 45: Fuses

    Fuses Nominal current Fuse Nominal current Fuse value value 1.0 A PV-1A10F 6.0 A PV-6A10F 2.0 A PV-2A10F 8.0 A PV-8A10F 3.0 A PV-3A10F 10.0 A PV-10A10F 4.0 A PV-4A10F 12.0 A PV-12A10F 5.0 A PV-5A10F 15.0 A PV-15A10F ‘Fuses’ Table: Selection of suitable fuses, e.g., Cooper Bussmann fuses...
  • Page 46: Clipping Power Stage Sets Onto The Wall Bracket

    Clipping Power Stage Sets onto the Wall Bracket Clipping power The side areas of the housing cover are designed to function as carrying grips and/or han- stage sets onto dles. the wall bracket CAUTION! An inadequate grounding conductor connection can cause serious in- juries to persons and damage to (or loss of) property.
  • Page 47: Data Communication And Solar Net

    The overcurrent and under-voltage shutdown function does not depend on the direction of the current flow. When a current flow of > 3 A or a voltage of < 6.5 V is measured in Fronius Solar Net, the energy supply is interrupted to Fronius Solar Net.
  • Page 48: Data Communication Connections

    12 V signaling systems such as alarm horns, indicator lamps or installation relays; 12 V (+ 0 V / - 2 V / 300 mA) (10) 'Solar Net' LED Indicates the current status of Fronius Solar Net and the 12 V signaling output...
  • Page 49: Solar Net' Led Description

    The 'Solar Net' flashes briefly every 5 seconds: After a shutdown due to over-current or under-voltage, the inverter tries to restore the en- ergy supply in the Fronius Solar Net every 5 seconds so long as there is an error, for ex- ample.
  • Page 50: Maximum Output Current For Data Communication And The 12 V Signaling Output

    External communication (Solar Net) takes place in the inverter via the data communication rack. The data communication rack is equipped with two RS 422 interfaces - an input and an output. RJ45 plug connectors are used to establish the connection. Maximum output The maximum total output current for data communication and the 12 V signaling output is current for data...
  • Page 51: Usb Stick As A Data Logger And For Updating Inverter Software

    Log file TLxxx_yy.fld (xxx = IG number, yy = a serial 2-digit number): Log file for reading out data in Fronius Solar.access. You can find additional information on the Fronius Solar.access Software in the "DAT- COM Detail" operating instructions at http://www.fronius.com Log file TLxxx_yy.csv (xxx = IG number, yy = a serial 2-digit number):...
  • Page 52: Data Amount And Memory Capacity

    Structure of the CSV file: Inverter no. Inverter type (DATCOM code) Logging interval in seconds Energy in watt-seconds with reference to the logging interval Averages over the logging interval Additional information Data amount and One USB stick with a memory capacity of 128 MB, for example, can record logging data at memory capacity a logging interval of 5 minutes for approx.
  • Page 53: Buffer Memory

    The inverter supports USB sticks using the following file systems: FAT12 FAT16 FAT32 Fronius recommends that the USB stick only be used for recording logging data or for up- dating the inverter software. USB sticks should not contain any other data.
  • Page 54: Usb Stick For Updating Inverter Software

    For more information about updating inverter software using a USB stick, please see the section ‘Setting and Displaying Menu Items’ in the chapter ‘Operation.’ The inverter software can be updated through a data logger or a Fronius SmartConverter (= through a PC/ laptop connection) in conjunction with the Fronius solar.update Software (see ‘Fronius Solar.update’...
  • Page 55: First Startup

    First startup Factory pre-set The inverter has been pre-configured at the factory. The language and time must be set configuration during the first startup. To change your inverter settings, please see ‘The Setup Menu’ section in these instruc- tions. First startup Once the inverter has been connected to the solar modules (DC) and the public grid (AC), turn the main switch to position - 1 -.
  • Page 56 The time is shown as (HH:MM:SS, 24 h display), the digits for the hour flash. Use the ‘Up’ and ‘Down’ keys to se- lect a value for the hour. Press the "Enter" key. The digits for the minutes flash. Repeat steps 5 and 6 for the minutes and seconds until...
  • Page 57 the set date flashes. Press the ‘Enter’ key If the language and time settings are skipped with the Back key and no settings are made in the Setup, these two queries will appear again the next time the inverter starts.
  • Page 59: Operation

    Operation...
  • Page 61: Keys And Symbols

    Keys and symbols Keys and Sym- bols Item Description Display for displaying values, settings and menus Function keys - each has a different function depending on the selection: ‘Left/Up’ key for navigating left and up ‘Down/Right’ key for navigating down and right 'Menu/Esc' key for switching to the menu level to exit the Setup menu...
  • Page 62: Display

    Display Power for the display comes from the AC grid voltage. The display can be available all day long depending on the setting in the Setup menu. IMPORTANT! The inverter display is not a calibrated measuring instrument. Slight devia- tion of a few percentage points from the utility company meter is intrinsic to the system. A calibrated meter is required to make calculations for the utility company.
  • Page 63: Control And Status Leds

    Control and Sta- General Status LED (red) tus LEDs Startup LED (orange) Operating Status LED (green) Color Action Explanation lights up General status: the appropriate status code is shown on the screen Interruption of feed operation During troubleshooting (the inverter is waiting to be reset or for an error to be corrected) orange lights up...
  • Page 64: Startup Phase And Grid Feed-in Mode

    Startup Phase and Grid Feed-in Mode Startup phase The inverter automatically carries out the following tests and checks after it is turned on: Self-test of essential inverter components - the inverter goes through a virtual checklist Synchronization with the grid Startup test Before the inverter starts feeding energy into the grid, the conditions of the grid are tested in accordance with local regulations.
  • Page 65: Navigation In The Menu Level

    Navigation in the Menu Level Activating display Press any key. illumination The display illumination is activated. The Setup menu also offers a choice between a permanently lit or permanently dark display. Automatic deacti- If no key is pressed for 2 minutes, vation of display the display illumination turns off automatically and the inverter switches to the ‘NOW’...
  • Page 66: The Display Modes

    The Display Modes Display modes The following display modes are available for the inverter: The ‘NOW’ display mode ..Displays real-time values The ‘TODAY’ display mode ..Displays values for power fed into the grid during that day The ‘YEAR‘ display mode ..
  • Page 67: Overview Of Display Values

    Overview of dis- Display mode Unit Display value play values ‘NOW’ Output Power Daily Characteristic Curve AC Grid Voltage Output Current AC Grid Frequency PV Array Voltage Solar Power String Control Status HH:MM Clock DD.MM Date ‘TODAY’ kWh / MWh Fed-In Energy ‘YEAR’...
  • Page 68: Display Values In The 'now' Display Mode

    Display Values in the ‘NOW’ Display Mode Selecting a dis- Selecting the ‘NOW’ display mode play mode The first display value appears in the ‘NOW’ display mode. Use the ‘Down’ key to scroll to the next display value. Use the ‘Up’ key to scroll back. First display value in the ‘NOW’...
  • Page 69 Array Voltage voltage of the solar array at the moment of data display (Volts) Solar Power current supplied by solar array at the moment of data display (Amperes) Press the ‘Enter’ key to arrive at the ‘String Con- trol Status’ menu String Control Status displays the PV array current produced during the day on channel 1 and channel 2, respectively, and...
  • Page 70: Display Values In The 'today' / 'year' / 'total' Display Modes

    Display Values in the ‘TODAY’ / ‘YEAR’ / ‘TOTAL’ Display Modes Selecting the ‘TO- Selecting the ‘TODAY,’ DAY’ / ‘YEAR’ / ‘YEAR,’ or ‘TOTAL’ display ‘TOTAL’ display mode mode The first display value appears in the se- lected display mode. Use the ‘Down’...
  • Page 71: Display Values In The 'today' / 'year' / 'total' Display Modes

    Display values in Output Energy the ‘TODAY’ / energy fed into the grid over a given period of time ‘YEAR’ / ‘TOTAL’ (kWh / MWh) display modes Press the ‘Enter’ key to display the daily charac- teristic curve (only in the ‘Today’ display mode). Daily Characteristic Curve graphically represents the course of the output power during the day.
  • Page 72 Maximum grid voltage Highest reading of grid voltage (V) during obser- vation period maximum PV Array Voltage highest reading of solar module voltage (V) during observation period Operating Hours indicates how long the inverter has been operat- ing (HH:MM). Although the inverter does not operate during the night, all sensor data are recorded around the clock for the Sensor Box option.
  • Page 73: The Setup Menu

    The Setup Menu Presetting The inverter is pre-configured and ready to use. No manual control is necessary for feeding the power it generates into the grid. The setup menu allows easy readjustment of the inverter's preset parameters to your needs. Accessing the Switch to the menu level Setup menu...
  • Page 74: Menu Items In The Setup Menu

    Menu Items in the Setup Menu Standby Manual activation/deactivation of the standby mode Unit Setting range Enter Factory setting ‘Standby’ deactivated The power electronics are switched off in standby mode. No power is fed into the grid. The Startup LED lights up orange. In standby mode, no other menu item can be accessed or set in the Setup menu.
  • Page 75: Backlight

    Backlight Initial setting for display illumination. Unit Setting range AUTO / ON / OFF Factory setting AUTO AUTO: The display illumination is activated by pressing any key. If no key is pressed for 2 minutes, the display backlight goes out. The display illumination will be permanently on when the invert- er is active.
  • Page 76: Yield

    Yield Setting an OFFSET value for the Total energy display a measurement correction value for the day, year and total energy display Setting range Energy Meter Offset / Energy Meter Unit / Meter Calibration Energy Meter Offset Specification of a value for the energy supplied that is added to the currently supplied en- ergy (e.g., the transfer value when an inverter is replaced) Unit Setting range...
  • Page 77: Datcom

    DATCOM Data communication control, signal activation, signal settings, signal test, DATCOM night mode, protocol settings Setting range STATUS / Signal Mode / Signal Test / Night Mode / Protocol Type STATUS Displays data communication available via Solar Net or an error that occurred in data com- munication Signal Mode Controls the switching of the 12 V message output on the data communications rack...
  • Page 78: Usb

    OFF: No DATCOM operation at night, the inverter requires no AC power to supply Solar Net. The display is deactivated at night. Protocol Type Defines the communication protocol used to transmit data: Unit Setting range Solar Net / Interface Factory setting Solar Net Value settings when using a USB stick Setting range...
  • Page 79: String Control

    String Control For monitoring incoming solar modules strings Functional principle: The incoming solar module strings are combined at 2 measuring channels. The 2 measuring channels record the total current of the respective connected solar module strings over the entire charging day. The average solar module string current is used for an effective comparison of the two measuring channel values.
  • Page 80: Device Info

    Max. deviation Used to enter a % value for how large the difference between the two average values can Unit Setting range 5 - 99 Factory setting Threshold Used to enter a value in Ah for the average solar module string currents for the measuring channels that will trigger a warning on the display if it is exceeded Unit Setting range...
  • Page 81: Clock

    FOL min Lower outer grid frequency limit value in Hz Max. P AC Manual power reduction GPIS Soft start function GFDPRv Power reduction depending on grid frequency in %/Hz GFDPRr Back to nominal power in %/s (after a power reduction caused by the grid frequency) Clock Date and time setting...
  • Page 82: Setting And Displaying Menu Items

    Setting and Displaying Menu Items General menu Accessing the Setup menu item settings Use the ‘Up’ and ‘Down’ keys to select the desired menu item. Press the ‘Enter’ key. The first digit of a value to be set flash- The available settings are displayed: Use the ‘Up’...
  • Page 83: Exiting A Menu Item

    Exiting a menu To exit a menu item, press the ‘Back’ key. item The menu level is displayed: If no key is pressed for 2 minutes, the inverter switches to the ‘Now’ display mode from anywhere within the Setup menu (exception: ‘Standby’...
  • Page 84: Setting The Currency And Feed-in Tariff

    The display illumination setting is applied. The ‘Backlight’ menu item is displayed. Setting the cur- Select the ‘Currency’ menu item. rency and feed-in tariff Press the ‘Enter’ key to apply the lan- guage. The currency is displayed, factory setting = ‘EUR’; the first of 3 characters flashes.
  • Page 85 The currency is applied. The currently set feed-in tariff is displayed in currency/kWh; factory setting = 0,43 EUR / kWh; the first digit flashes. Use the ‘Up’ and ‘Down’ keys to se- lect a value for the first digit (e.g., 0). Press the ‘Enter’...
  • Page 86: Updating Inverter Software Using A Usb Stick

    Updating inverter Obtain the ‘updatexx.tl’ update file software using a (e.g., at http://www.fronius.com, xx stands for the respective version number) USB stick NOTE! To ensure problem-free updates of inverter software, the USB stick should have no hidden partitions and no encryption.
  • Page 87 ... a comparison of the current software version on the inverter and the new soft- ware version is displayed. Press the ‘Enter’ key. The inverter begins copying the data. ‘UPDATE’ and the save progress (%) are displayed until the data for all electronic components have been copied.
  • Page 88: Safely Removing Usb Sticks

    Following the Startup phase, the inverter begins to feed power into the grid. The present output power is displayed and the Operating Status LED lights up green. The connected USB stick can then also be used to record logging data. Re-insert the data communication rack.
  • Page 89 ‘Ok’ is displayed. Make sure that the ‘Data Transfer’ LED on the data communication rack is no longer flashing or lit. Remove the USB stick. NOTE! If a logging interval for recording data has been set, then the inverter be- gins recording data again after the ‘Ok mode’...
  • Page 90: Activating Solar Module String Monitoring

    Activating solar IMPORTANTA value > 0 must be entered for both measuring channels in order to activate module string solar module string monitoring. For string monitoring, this value should correspond to the monitoring number of solar modules connected per string. The following steps describe how to set the number of solar module strings connected to measuring channels 1 and 2.
  • Page 91 The second digit flashes. Use the ‘Up’ and ‘Down’ keys to se- lect a value for the second digit. Press the ‘Enter’ key. The number of solar modules strings con- nected to measuring channel 1 flashes. Press the ‘Enter’ key. The ‘Config.
  • Page 92 The second digit flashes. Use the ‘Up’ and ‘Down’ keys to se- lect a value for the second digit. Press the ‘Enter’ key. The number of solar modules strings con- nected to measuring channel 2 flashes. Press the ‘Enter’ key. The ‘Config.
  • Page 93: Setting The Time And Date

    Setting the time Select the ‘Clock’ menu item. and date Press the ‘Enter’ key. The time is shown (HH:MM:SS, 24 h display), the digits for the hour flash. Use the ‘Up’ and ‘Down’ keys to se- lect a value for the hour. Press the ‘Enter’...
  • Page 94 The digits for the month flash. Repeat steps 7 and 8 for the month and the last 2 digits of the year until... the set date flashes. Press the ‘Enter’ key. The date is applied; the ‘Time’ menu item is displayed.
  • Page 95: Switching The Key Lock On And Off

    Switching the key lock on and off General The inverter comes equipped with a ‘Key lock’ function. When the ‘Keylock’ function is active, the Setup menu cannot be accessed, e.g., to protect against setup data being changed by accident. You must enter code 12321 to activate / deactivate the ‘Key lock’ function. Switching the Key Press the ‘Menu’...
  • Page 96 In the ‘LOCK’ menu, the ‘Key lock‘ func- tion is displayed. Use the ‘Up’ and ‘Down’ keys to switch the key lock on or off: ON = the key lock function is activat- ed (the Setup menu cannot be ac- cessed) OFF = the key lock function is deacti- vated (the Setup menu can be ac-...
  • Page 97: Troubleshooting And Maintenance

    Troubleshooting and Maintenance...
  • Page 99: Status Diagnosis And Troubleshooting

    Open circuit voltage < 350 V... Error in the photovoltaic system Open circuit voltage > 350 V... may indicate a basic fault in the inverter. In this case, notify a Fronius-trained service technician. Check the AC voltage at the inverter's connections: the AC voltage must be 230 V (+ 10 % / - 15 %)*.
  • Page 100 Description 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. If this status code keeps recurring, contact your system install- AC frequency too high Description Grid conditions are thoroughly tested, and as soon as they are...
  • Page 101: Class 3 Status Codes

    Description 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 or fuses. If this status code keeps recurring, contact your system install- Class 3 status Class 3 comprises status codes that may appear during feed-in operation and that do not codes...
  • Page 102 Remedy If required, clean cool air vents and cooling elements with com- pressed air. The fault is rectified automatically. If this status code keeps recurring, contact your system install- No power transfer to grid possible Description Continual interruption of grid feed operation Remedy Should the status code persist, you should contact your system installer.
  • Page 103: Class 4 Status Codes

    Class 4 status Class 4 status codes may require the intervention of a trained Fronius service technician. codes 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...
  • Page 104 Description The inverter disconnects from the grid for safety reasons and then attempts a restart. Remedy If status code persists: Contact a Fronius-trained service tech- nician. The intermediate circuit charging takes too long Description Short interruption of grid feed-in mode.
  • Page 105 Remedy If status code persists: Contact a Fronius-trained service tech- nician. No dynamic identification can be assigned to the power stage set. Internal database error during power stage set allocation. Description The inverter disconnects from the grid for safety reasons and then attempts a restart.
  • Page 106 Description Inverter does not feed energy into the grid. Remedy Update the inverter firmware. If status code persists: Contact a Fronius-trained service tech- nician. Solar module ground, insulation error (connection between solar module and ground) Description The inverter disconnects from the grid for safety reasons.
  • Page 107 Remedy If status code persists: Contact a Fronius-trained service tech- nician. Error in islanding check of Guard Control 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.
  • Page 108: Class 5 Status Codes

    Description Inverter does not feed energy into the grid. Remedy If status code persists: Contact a Fronius-trained service tech- nician. AC polarity inverted (L/N) Description Inverter does not feed energy into the grid. Remedy Check AC polarity (L/N) If status code persists: Contact a Fronius-trained service tech- nician.
  • Page 109: Class 7 Status Codes

    PC board replacement) Description Possible error displays or malfunctions in the inverter Remedy Update the inverter firmware via a USB stick or Fronius So- lar.update software. The current inverter firmware is available at http://www.fronius.com. If status code persists: Contact a Fronius-trained service tech- nician.
  • Page 110 This is of no concern if the inverter is functioning without prob- lems and it appears only in the ‘PS Status’ Setup parameter. In the event of an actual fault, this status code supports Fronius TechSupport in the failure analysis.
  • Page 111 Check the USB stick and the files on the USB stick or replace the USB stick. Remove the USB stick only when the ‘Data Transfer’ LED is no longer flashing or lit. If status code persists: Contact a Fronius-trained service tech- nician File could not be opened Description A warning message is shown on the display.
  • Page 112 This is of no concern if the inverter is functioning without prob- lems and it appears only in the ‘PS Status’ Setup parameter. In the event of an actual fault, this status code supports Fronius TechSupport in the failure analysis.
  • Page 113 Remedy Check the USB stick and the files on the USB stick, or replace the USB stick. If status code persists: Contact a Fronius-trained service tech- nician File could not be opened during the update process Description A warning message is shown on the display;...
  • Page 114 This is of no concern if the inverter is functioning without prob- lems and it appears only in the ‘PS Status’ Setup parameter. In the event of an actual fault, this status code supports Fronius TechSupport in the failure analysis.
  • Page 115 Memory unit unavailable Description A warning message is shown on the display. Remedy If status code persists: Contact a Fronius-trained service tech- nician Software update group 0 (invalid country setup) Description A warning message is shown on the display.
  • Page 116: Class 10 - 12 Status Codes

    TechSupport in the failure analysis. Customer Service IMPORTANT! Please contact your Fronius dealer or a Fronius-trained service technician if an error appears frequently or for a long period of time an error appears that is not listed in the tables...
  • Page 117: Maintenance

    Maintenance and service work on the inverter power stage set should only be carried out by Fronius-trained personnel. WARNING! An electric shock can be fatal. Danger from residual voltage from ca- pacitors.
  • Page 118: Operation In Dusty Environments

    Operation in When operating the inverter in extremely dusty environments: dusty environ- when necessary, clean the cooling elements and fan on the back of the power stage set ments using clean compressed air. Procedure: The side areas of the housing cover are designed to function as carrying grips and/or han- dles.
  • Page 119 Tightening torque: 2 Nm...
  • Page 120: Replacing String Fuses

    Maintenance and service work on the inverter power stage set should only be carried out by Fronius-trained personnel. WARNING! An electric shock can be fatal. Danger from residual voltage from ca- pacitors.
  • Page 121 Carefully lift up the housing cover on the bottom of the power stage set. Reach into the opening Disconnect the ribbon cable from the PC display board.
  • Page 122: Replacing Fuses

    Replacing fuses Test the fuse holder at the terminal for continuity: measure from measuring point A to measuring points B - G. NOTE! Only use fuses for solar modules that meet the criteria for the proper selec- tion of string fuses. Fuse dimensions: Diameter 10.3 x 35 - 38 mm Use pliers to insert fuses with fuse covers into the respective fuse holder.
  • Page 123: Finally

    Finally... Tightening torque: 2.5 Nm The side areas of the housing cover are designed to function as carrying grips and/or han- dles. Tightening torque: 2 Nm...
  • Page 125: Appendix

    Appendix...
  • Page 127: Technical Data

    Technical data Fronius IG TL 3.0 Input data Maximum DC power 3130 W MPP voltage range 350 - 700 V DC Max. input voltage 850 V DC (at 1000 W/m² / -10 °C in an open circuit) Max. input current 8.8 A DC...
  • Page 128: Fronius Ig Tl 3.6

    Fronius IG TL 3.6 Input data Maximum DC power 3850 W MPP voltage range 350 - 700 V DC Max. input voltage 850 V DC (at 1000 W/m² / -10 °C in an open circuit) Max. input current 10.8 A DC Max.
  • Page 129: Fronius Ig Tl 4.0

    Fronius IG TL 4.0 Input data Maximum DC power 4190 W MPP voltage range 350 - 700 V DC Max. input voltage 850 V DC (at 1000 W/m² / -10 °C in an open circuit) Max. input current 11.8 A DC Max.
  • Page 130: Fronius Ig Tl 4.6

    Fronius IG TL 4.6 Input data Maximum DC power 4820 W MPP voltage range 350 - 700 V DC Max. input voltage 850 V DC (at 1000 W/m² / -10 °C in an open circuit) Max. input current 13.5 A DC Max.
  • Page 131: Fronius Ig Tl 5.0

    Fronius IG TL 5.0 Input data Maximum DC power 5250 W MPP voltage range 350 - 700 V DC Max. input voltage 850 V DC (at 1000 W/m² / -10 °C in an open circuit) Max. input current 14.7 A DC Max.
  • Page 132: Protection Devices For All Inverters

    Protection devic- DC insulation measurement integrated es for all inverters DC over-voltage protection integrated Protection against reverse polarity integrated Manifestation of DC overload Operating point shift RCMU integrated DC disconnect integrated Explanation of Maximum continuous output power up to an ambient temperature of 40 °C guaran- footnotes teed The values provided are standard values.
  • Page 133: Relevant Standards And Directives

    Relevant Standards and Directives CE Conformity The equipment complies with all the requisite and relevant standards and directives that Marking form part of the relevant EU directive, and therefore is permitted to display the CE mark. Relevant stan- EN 50178 dards and direc- Electronic equipment for use in power installations tives...
  • Page 134: Terms And Conditions Of Warranty And Disposal

    An extended warranty can be purchased up to 6 months after the date of installation. Ap- plications for an extended warranty after this date may be rejected by Fronius. You can apply for an extended warranty of up to 10, 15, or 20 years for Fronius IG TL in- verters.
  • Page 135: Fronius Subsidiaries

    Fronius subsid- As of October 2010, there are national Fronius subsidiaries in the following countries out- iaries side of the EU, Switzerland and the USA: Australia Brazil Canada Mexico Norway Turkey Ukraine Current information about this can be found on our website at www.fronius.com.
  • Page 136: Disposal

    The manufacturer's warranty shall not cover any claims going beyond the rights specified in the Terms of Warranty unless the mandatory statutory provisions provide for a liability on the part of Fronius. In the event of any such claims, please contact the seller of your device.
  • Page 140 Fronius International GmbH Fronius USA LLC Solar Electronics Division 4600 Wels, Froniusplatz 1, Austria 10421 Citation Drive, Suite 1100, Brighton, MI 48116 E-Mail: pv@fronius.com E-Mail: pv-us@fronius.com http://www.fronius.com http://www.fronius-usa.com Under http://www.fronius.com/addresses you will find all addresses of our sales branches and partner firms!

This manual is also suitable for:

Ig-tl 4.6Ig-tl 5.0Ig-tl 3.6Ig-tl 4.0

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