Fronius Primo GEN24 3.0 Operating Instructions Manual
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Fronius Primo GEN24 3.0 Operating Instructions Manual

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Operating
Instructions
Fronius Primo GEN24
3.0 / 3.0 Plus / 3.6 / 3.6 Plus
4.0 / 4.0 Plus / 4.6 / 4.6 Plus
5.0 / 5.0 Plus / 6.0 / 6.0 Plus
EN
Operating Instructions
42,0426,0302,EN
001-03062022

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  • Page 1 Operating Instructions Fronius Primo GEN24 3.0 / 3.0 Plus / 3.6 / 3.6 Plus 4.0 / 4.0 Plus / 4.6 / 4.6 Plus 5.0 / 5.0 Plus / 6.0 / 6.0 Plus Operating Instructions 42,0426,0302,EN 001-03062022...

  • Page 3: Table Of Contents

    Environmental conditions Qualified personnel Noise emission values EMC measures Backup power Data protection Copyright Protective earthing (PE) General information Fronius Primo GEN24 Device concept Function overview Fronius UP Scope of supply Intended use Thermal concept Fronius Solar.web The various operating modes Operating modes –...
  • Page 4 Explanation - PV Point (OP) Backup power variant - Full Backup General Prerequisites for backup power mode Transitioning from feeding energy into the grid to backup power mode Transitioning from backup power mode to feeding energy into the grid Backup power and energy saving mode Cabling variants including backup power circuits with 1-pin separation e.g.
  • Page 5 Event Log Information Licence manager Support Communication Network Modbus Fronius Solar API Safety and grid requirements Country setup Feed-in limitation Dynamic power regulation with several inverters I/O power management Connection diagram - 4 relay I/O power management settings - 4 relays...
  • Page 6 Circuit Diagram Fronius Primo GEN24 and BYD Battery-Box Premium HV Circuit Diagram Fronius Primo GEN24 with two BYD Battery-Box Premium HV connected in parallel Circuit Diagram Fronius Primo GEN24 with three BYD Battery-Box Premium HV connected in parallel Circuit Diagram Automatic switch to backup power 1-pin double separation - e.g.
  • Page 7 Dimensions of the inverter Fronius Primo GEN24 3 - 6 kW Fronius Primo GEN24 3 - 6 kW...

  • Page 8: Safety Rules

    Safety rules Explanation of WARNING! safety notices Indicates a potentially hazardous situation. ▶ If not avoided, death or serious injury may result. CAUTION! Indicates a situation where damage could occur. ▶ If not avoided, minor injury and/or damage to property may result. NOTE! Indicates a risk of flawed results and possible damage to the equipment.

  • Page 9: Environmental Conditions

    All safety and danger notices on the device: Must be kept in a legible state Must not be damaged Must not be removed Must not be covered, pasted, or painted over Only operate the device when all protection devices are fully functional. If the protection devices are not fully functional, there is a danger of Injury or death to the operator or a third party Damage to the device and other material assets belonging to the operating...

  • Page 10: Emc Measures

    Where an automatic backup power supply is installed, a backup power warning notice (https://www.fronius.com/en/search-page, item number: 42,0409,0275) must be fitted on the electrical distributor. Maintenance and installation work in the home network requires both disconnec- tion on the utility side and deactivation of the replacement power mode by open- ing the integrated DC disconnector on the inverter.

  • Page 11: Data Protection

    voltage. The simultaneous operation of electronic devices in the same backup power supply system should be avoided. IMPORTANT! The inverter may only be operated within the limits of its technical capabilities. Operation outside of its technical capabilities can cause the inverter to shut down.

  • Page 13: General Information

    General information...

  • Page 15: Fronius Primo Gen24

    Backup power variant - PV Point (OP) Available as an op- Battery connection* tion** Available as an op- Backup power variant - Full Backup tion** For suitable batteries, see chapter Suitable batteries. The functions are optionally available via Fronius UP (see chapter Fronius UP).

  • Page 16: Fronius Up

    Fronius UP With Fronius UP*, the inverter can be expanded by the authorised specialist to Function overview). include optionally available functions (see chapter The availability of Fronius UP varies from country to country. For more in- formation on Fronius UP and availability, see Installation guide: Fronius GEN24 &...

  • Page 17: Thermal Concept

    The Fronius GEN24 inverter is a grid-connected inverter with a backup power function – it is not a stand-alone inverter. The following restrictions must there- fore be observed in backup power mode: Backup power mode may be in operation for at least 2000 hours...
  • Page 18 Fronius recommends testing the Internet connection on site according to the minimum requirements.

  • Page 19: The Various Operating Modes

    Fronius GEN24 inverter converts direct current into alternating current and charges the battery (battery charging is only possible with Fronius GEN24 Plus inverters). The integrated system monitoring enables the inverter to be integrated into a network by means of WLAN.

  • Page 20: Operating Mode - Inverter With Battery

    Grid supplies the loads in the system if insufficient power is being gen- erated by the PV modules or supplied by the battery. Operating mode In order to be able to obtain the highest rate of self-consumption with your PV –...

  • Page 21: Operating Mode - Inverter With Battery, Ac-Coupled To Another Inverter

    0 0 1 Operating mode IMPORTANT! – Inverter with In the fully equipped hybrid PV system with a Fronius Ohmpilot, the Ohmpilot battery, Ohmpi- cannot be operated in the event of a power failure for regulatory reasons. It is lot and backup therefore sensible to install the Ohmpilot outside of the backup power branch.

  • Page 22: Operating Mode - Inverter With Battery, Further Inverter And Backup Power Function

    0 0 1 Operating mode In the hybrid photovoltaic system, batteries must only be connected to one in- – Inverter with verter with battery support. Batteries cannot be split between multiple inverters battery, further with battery support. However, depending on the battery manufacturer, several inverter and batteries can be combined on one inverter.

  • Page 23: Operating States (Only For Systems With A Battery)

    PV module – inverter – load/grid PV module – inverter – battery* Battery – inverter – load/grid* Grid – inverter – battery* * depending on the settings and local standards and regulations. Operating states Battery systems distinguish different operating states. In this case, the relevant (only for systems current operating state is displayed on the user interface of the inverter or in with a battery)

  • Page 24: Energy Saving Mode

    Both the inverter and the battery automatically switch to energy sav- ing mode under certain conditions. The inverter switches to energy saving mode if the battery is flat and no PV power is available. Only the inverter's communication with the Fronius Smart Meter and Fronius Solar.web is maintained. Switch-off con-...

  • Page 25: Indication Of Energy Saving Mode

    Indication of en- During energy saving mode: ergy saving Operating LED for the inverter lights up orange (see Button functions and mode LED status indicator on page 96). The user interface of the inverter can be reached. All the available data is saved and transmitted to Solar.web. The real-time data can be seen on Solar.web.

  • Page 26: Suitable Batteries

    Fronius explicitly points out that the third-party batteries are not Fronius products. Fronius is not the manufacturer, distributor or retailer of these batter- ies. Fronius accepts no liability and offers no service or guarantees for these bat- teries. Obsolete firmware/software states may lead to incompatibilities between the in- verter and the battery.
  • Page 27 BYD Battery-Box Premium HVM 11.0 13.8 16.6 19.3 22.1 Fronius Primo GEN24 3.0 - 6.0 Plus Number of battery modules Battery parallel operation** Battery support optionally available. Max. 3 batteries with the same capacity can be combined. IMPORTANT! According to the manufacturer's specifications, the max. DC cable length is 20 m.

  • Page 28: Protection Of People And Equipment

    Protection of people and equipment Central grid and The inverter offers the option to use the integrated AC relays as coupling system protec- switches in conjunction with a central grid and system protection unit (in accord- tion ance with VDE-AR-N 4105:2018:11 §6.4.1). For this purpose, the central trigger device (switch) must be integrated into the WSD chain as described in the chapter "WSD (Wired Shut Down)".

  • Page 29: Control Elements And Connections

    Control elements and connections Connection area 2 x 5-pin DC push-in terminal Push-in WSD (wired shutdown) terminal Push-in terminals in the data communication area (Modbus, digital inputs and outputs) 3-pin push-in terminal for PV Point (OP) 3-pin AC push-in terminal Cable gland/strain-relief device AC 6-pin ground electrode terminal Cable gland/strain-relief device in the data communication area...

  • Page 30: Connection Area Divider

    Connection area divider (10) 10 x DC cable glands (11) Optional cable gland (M16) (12) Optional cable gland (M16 - M20) (13) Optional cable gland (M16 - M32) (14) Optional cable gland (M16 - M25) Connection area The connection area divider separates the high-voltage conductors (DC and AC) divider from the signal lines.

  • Page 31: Dc Disconnector

    DC disconnector The DC disconnector has three switch settings: Locked/off (turned to the left) IMPORTANT! In switch settings (1) and (3), a conven- tional padlock can be used to secure the inverter against being switched on/ off. The national guidelines must be complied with in this respect.

  • Page 32: Internal Schematic Connection Diagram Of The Ios

    Modbus 0 (MB0) switch Switches the terminating resistor for modbus 0 (MB0) on/off. Position 1: Terminating resistor on (factory setting) Position 0: Terminating resistor off Modbus 1 (MB1) switch Switches the terminating resistor for modbus 1 (MB1) on/off. Position 1: Terminating resistor on (factory setting) Position 0: Terminating resistor off To operate the inverter.
  • Page 33 IMPORTANT! If the total output (6 W) is exceeded, the inverter switches off the entire external power supply. 12 V DC 500 mA 12 V TYP A Power limitation...

  • Page 35: Backup Power Variant - Pv Point (Op)

    Backup power variant - PV Point (OP)

  • Page 37: General

    General PV Point (OP) IMPORTANT! If several backup power variants are available, please note that only one backup power variant may be installed and configured. With the PV Point, in the event of a failure of the public grid, electrical devices can be connected to the Op- portunity Power (OP) terminal and supplied with a maximum power of...

  • Page 39: Backup Power Variant - Full Backup

    Backup power variant - Full Backup...

  • Page 41: General

    The inverter is operating in backup power mode. from backup The public grid is functioning correctly again. power mode to The Fronius Smart Meter monitors the grid parameters on the public grid feeding energy and passes this information to the inverter. into the grid The stability of the returned public grid is determined by checking the meas- ured values of the Fronius Smart Meter.

  • Page 42: Backup Power And Energy Saving Mode

    Backup power Under the following conditions, the battery and the inverter are switched to en- and energy sav- ergy saving mode after a waiting time of 8 - 12 minutes and backup power mode ing mode is ended: The battery is discharged to the minimum state of charge and no energy is coming from the PV modules.

  • Page 43: Cabling Variants Including Backup Power Circuits With 1-Pin Separation E.g. Austria Or Aus

    Public grid available again. feeding energy The Fronius Smart Meter monitors the grid parameters on the public grid into the grid and passes this information to the inverter. The stability of the returned public grid is determined by checking the meas- ured values of the Fronius Smart Meter.

  • Page 44: All-Pin Separation Cabling Variant, E.g. Germany, France, Spain, Uk

    Transitioning The public grid is monitored by the inverter's internal grid and system pro- from feeding en- tection unit and by the Fronius Smart Meter connected to it. ergy into the grid Failure of the public grid. to backup power...

  • Page 45: Transitioning From Backup Power Mode To Feeding Energy Into The Grid

    Public grid available again. feeding energy The Fronius Smart Meter monitors the grid parameters on the public grid into the grid and passes this information to the inverter. The stability of the returned public grid is determined by checking the meas- ured values of the Fronius Smart Meter.

  • Page 46: All-Pin Split Separation Cabling Variant (Italy)

    All-pin split separation cabling variant (Italy) Functions Measuring and transferring the required parameters for energy management and Solar.web by the Fronius Smart Meter. Monitoring of the voltage and frequency grid parameters by the inverter. Disconnecting from the public grid to enable operation in backup power mode if the grid parameters are outside the country-specific standards.

  • Page 47: Transitioning From Backup Power Mode To Feeding Energy Into The Grid

    Public grid available again. feeding energy The Fronius Smart Meter monitors the grid parameters on the public grid into the grid and passes this information to the inverter. The stability of the returned public grid is determined by checking the meas- ured values of the Fronius Smart Meter.

  • Page 49: Installation

    Installation...

  • Page 51: General

    General Quick-lock sys- A quick-lock system (3) is used to mount the connection area cover and front cover. The system is opened and closed with a half-rotation (180°) of the captive screw (1) into the quick- lock spring (2). The system is independent of torque. NOTE! Danger when using a drill driver.
  • Page 52 A 4-digit number (coded production date) is printed on the rating plate at the very bottom, from which the production date can be calculated. If you subtract the value 11 from the first two digits, you get the production year. The last two digits stand for the calendar week in which the device was produced.
  • Page 53 Allow the capacitors of the inverter to discharge (2 minutes). Warning notice text: WARNING! An electric shock can be fatal. Before opening the device, it must be disconnec- ted and de-energized at the input and output.

  • Page 54: Installation Location And Position

    -40°F - +140°F mensions of the inverter, see chapter 0 - 100% Fronius Primo GEN24 3 - 6 kW page 189. When installing the inverter on the outer walls of cattle sheds, it is important to maintain a minimum clearance of 2 m between the inverter and the ventila- tion and building openings on all sides.

  • Page 55: Choosing The Location Of Third-Party Batteries

    In order to minimise the heating up of the inverter, do not ex- pose it to direct insolation. The inverter should be installed in a protected location, for example, below the PV modules or under an overhanging roof. IMPORTANT! The inverter must not be installed or used at alti- tudes above 4000 m.

  • Page 56: Explanation Of Symbols For The Installation Position

    Explanation of symbols for the installation posi- tion The inverter is suitable for vertical installation on a vertical wall or column. The inverter is suitable for installation on a sloping surface (min. slope to underside 10°). Do not install the inverter on a sloping surface with its connec- tion sockets at the top.
  • Page 57 Do not install the inverter on the ceiling.

  • Page 58: Install The Mounting Bracket And Hang Up The Inverter

    Install the mounting bracket and hang up the in- verter Selecting the fix- Use the corresponding fixing materials depending on the subsurface and observe ing material the screw dimension recommendations for the mounting bracket. The installer is responsible for selecting the right type of fixing. Properties of the The mounting bracket (illustration) can mounting brack-...

  • Page 59: Installing The Mounting Bracket On A Mast Or Beam

    Installing the When installing the inverter on a mast mounting brack- or beam, Fronius recommends using et on a mast or the "Pole clamp" (order no. SZ beam 2584.000) mounting kit from Rittal GmbH. The "Pole clamp" kit covers the follow-...

  • Page 60: Attaching The Mounting Bracket To Mounting Rails

    Attaching the IMPORTANT! mounting brack- The mounting bracket must be affixed et to mounting at a minimum of four points. rails Attaching the in- There are integrated grips on the side verter to the of the inverter which facilitate lifting/ mounting brack- attaching.

  • Page 61: Prerequisites For Connecting The Inverter

    Prerequisites for connecting the inverter Permitted cables Cables with the following design can be connected to the terminals of the invert- Copper: round, solid Copper: round, fine-stranded, up to conductor class 4 Grid connections with push-in terminal* Select a sufficiently large cable cross section based on the actual device output! Power Fine-stranded with ferrules‐...

  • Page 62: Permitted Cables For The Data Communication Area

    AWG 26-16 AWG 26-16 LAN connections Fronius recommends using at least CAT 5 STP (shielded twisted pair) cables and a maximum dis- tance of 100 m (109 yd). Cross section of For a standard M32 metric screw joint with a reducer:...

  • Page 63: Cross Section Of The Dc Cable

    For this reason, in accordance with national legislation, Fronius re- commends that a residual current cir- cuit breaker with a tripping current of at least 100 mA suitable for frequency converters be used.
  • Page 64 Inverter Phase AC out- Maximum Recommen- fuse rating ded fuse rating Fronius Primo GEN24 3.0 3000 W C 63 A C 32 A Fronius Primo GEN24 3.6 3680 W C 63 A C 32 A Fronius Primo GEN24 4.0 4000 W...

  • Page 65: Connecting The Inverter To The Public Grid (Ac Side)

    Connecting the inverter to the public grid (AC side) Safety WARNING! Danger due to incorrect operation and incorrectly performed work. This can result in serious injury and damage to property. ▶ Read the Installation and Operating Instructions before installing and com- missioning the equipment.
  • Page 66 Turn off the automatic circuit breaker. Make sure that the DC disconnector is in the "Off" switch setting. Loosen the five screws of the connec- tion area cover by rotating them 180° to the left using a screwdriver (TX20). Remove the connection area cover from the device.
  • Page 67 Phase conductor Neutral conductor Ground conductor Insert the AC terminal into the AC slot until it engages. Fasten the cap nut of the strain-relief device with a torque of 6-7 Nm.

  • Page 68: Connecting Solar Module Strings To The Inverter

    Commissioning as well as maintenance and service work in the power module of the inverter must only be carried out by service personnel trained by Fronius and only within the scope of the respective technical regulations. Read the Installa- tion and Operating Instructions before installing and commissioning the equip- ment.

  • Page 69: Pv Generator - General Information

    WARNING! An electric shock can be fatal. Danger due to grid voltage and DC voltage from solar modules that are exposed to light. ▶ Ensure that the AC and DC side of the inverter are de-energised before car- rying out any connection/maintenance or service tasks. ▶...

  • Page 70: Connecting The Solar Module Strings To The Inverter

    MPPT settings: PV 1: ON PV 2: OFF PV 1 + PV 2 (connected in parallel): IMPORTANT! Splitting the total current (I ) by dcmax bridging from PV 1 to PV 2 at the ter- minal is permitted up to ≤ 34 A. Combined solar module strings with total cur- rent (I dcmax ) greater than or equal to 22 A...
  • Page 71 Select the cable cross section in ac- cordance with the instructions in Per- mitted cables from page 61. Strip the insulation of the single con- ductors by 12 mm. Lift to open the ter- minal's operating lever and insert the stripped single conductor into the slot provided, in each case as far as it will go.
  • Page 72 Use a suitable measuring instrument to check the voltage and polarity of the DC cabling. Remove both DC ter- minals from the slots. CAUTION! Danger due to polarity reversal at the terminals. This may result in severe damage to the inverter. ▶...
  • Page 73 Insert the DC terminals into the re- spective slot until they engage. Fasten the screws of the cable guide to the housing using a screwdriver (TX20) and a torque of 1.3-1.5 Nm. NOTE! Do not use a drill driver as this could cause overturning.

  • Page 74: Connecting The Battery To The Inverter

    Connecting the battery to the inverter Safety WARNING! Incorrect operation or poorly executed work can cause serious injury or dam- age. Commissioning as well as maintenance and service work on the inverter and bat- tery must only be carried out by service personnel trained by the respective in- verter or battery manufacturer and only within the scope of the respective tech- nical regulations.
  • Page 75 Manually push the battery cables through the DC bushings. * When connecting a battery from the manufacturer BYD, the ground con- ductor of the battery must be connec- ted externally (e.g. switch cabinet). Ob- serve the minimum cross section of the ground conductor to the battery.
  • Page 76 Select the cable cross section in ac- cordance with the instructions in Per- mitted cables from page 61. Strip the insulation of the single con- ductors by 12 mm. Lift to open the ter- minal's operating lever and insert the stripped single conductor into the slot provided, in each case as far as it will go.
  • Page 77 CAUTION! Risk due to overvoltage when using other slots on the terminal. This may result in damage to the bat- tery and/or the solar module due to discharge. ▶ Only use the slots marked BAT for battery connection. CAUTION! Danger due to polarity reversal at the terminals.
  • Page 78 Fasten the screws of the cable guide to the housing using a screwdriver (TX20) and a torque of 1.3-1.5 Nm. NOTE! Do not use a drill driver as this could cause overturning. A possible consequence of overturning is, for example, damaging the strain-re- lief device.

  • Page 79: Connecting Backup Power - Pv Point (Op)

    In order to ensure the residual current circuit breaker operates properly, a con- nection must be established between the neutral conductor N´ (OP) and the earth. For the Circuit Diagram recommended by Fronius, see Circuit Diagram - PV Point (OP)
  • Page 80 Switch off the automatic circuit break- er and DC disconnector. Make sure that the DC disconnector is in the "Off" switch setting. Loosen the five screws of the connec- tion area cover by rotating them 180° to the left using a screwdriver (TX20). Remove the connection area cover from the device.
  • Page 81 Drill out the optional cable guide with a step drill. Insert the strain-relief device into the hole and secure to the torque specified by the manufacturer. Guide the mains cable through the strain-relief device from below. Remove the OP terminal.
  • Page 82 Strip the insulation of the single con- ductors by 12 mm. The cable cross section must be between 1.5 mm and 10 mm . Lift to open the terminal's operating lever and insert the stripped single conductor in- to the slot provided, all the way up to the stop.
  • Page 83 Insert the OP terminal into the OP slot until it engages. Tighten the cap nut of the strain-relief device to the torque specified by the manufacturer.

  • Page 84: Connecting Backup Power - Full Backup

    Connecting backup power - Full Backup Safety The examples given in this document (in particular cabling variants and Circuit Diagrams) are suggestions only. These examples have been carefully developed and tested. They can therefore be used as a basis for real-life installation. Anyone following or using these examples does so at their own risk.

  • Page 85: All-Pin Separation Cabling Variant E.g. Germany, France, Spain

    The supply voltage for contactors K1 and K2 is provided by the public grid and must be connected to phase 1 (L1) after the Fronius Smart Meter and fused accordingly. An NC contact for the relay K3 interrupts the supply voltage to contactors K1 and K2.

  • Page 86: All-Pin Separation Cabling Variant, E.g. Uk

    The supply voltage for contactors K1 and K2 is provided by the public grid and must be connected to phase 1 (L1) after the Fronius Smart Meter and fused accordingly.

  • Page 87: All-Pin Separation Cabling Variant, E.g. Italy

    The supply voltage for contactors K1 and K2 is provided by the public grid and must be connected to phase 1 (L1) after the Fronius Smart Meter and fused accordingly.

  • Page 88: Testing Backup Power Mode

    The supply voltage for contactors K1 and K2 is provided by the public grid and must be connected to phase 1 (L1) after the Fronius Smart Meter and fused accordingly.

  • Page 89: Connecting The Data Communication Cable

    If the "Inverter control via Modbus" function is activated in the "Commu- nication”"Modbus" menu, no Modbus participants are possible. It is not possible to send and receive data at the same time. Example 1: Quantity Quantity Fronius Input Battery Primary Secondary Ohmpilot...

  • Page 90: Routing Data Communication Cables

    Routing data IMPORTANT! communication If data communication cables are wired into the inverter, observe the following cables points: Depending on the number and cross section of the wired data communica- tion cables, remove the corresponding blanking plugs from the sealing insert and insert the data communication cables.
  • Page 91 Guide the data cables first through the strain-relief device cap nut and then through the housing opening. Insert the sealing ring between the cap nut and the housing opening. Press the data cables into the seal's cable guide. Then press in the seal until it reaches the underside of the strain-relief device.

  • Page 92: Connecting The Battery Communication Cables

    "SHIELD" slot. IMPORTANT! Improperly fitted shielding can cause data communication problems. For the wiring proposal recommended by Fronius, see page 176. Terminating res- It may be possible for the system to function without terminating resistors. istors However, owing to interference, the use of terminating resistors according to the following overview is recommended for trouble-free functioning.
  • Page 93 OPTION 1 Modbus 1 Modbus 0 Manufacturer manual Manufacturer manual 0 0 1 Modbus 0 / 1 Modbus 0 / 1 (min. CAT 5) (min. CAT 5) OPTION 2 M0 / M1 Manufacturer manual Manufacturer manual 0 0 1 Modbus 0 / 1 Modbus 0 / 1 (min.

  • Page 94: Installing The Wsd (Wired Shutdown)

    Installing the IMPORTANT! WSD (wired The push-in WSD terminal in the in- shutdown) verter's connection area is delivered with a bypass ex works as standard. The bypass must be removed when in- stalling a trigger device or a WSD chain. The WSD switch of the first inverter with connected trigger device in the WSD chain must be in position 1 (primary device).

  • Page 95: Closing And Commissioning The Inverter

    Closing and commissioning the inverter Closing the in- NOTE! verter's connec- The housing cover is fitted with a lock for safety reasons, which allows the hous- tion area/hous- ing cover on the inverter to be pivoted only when the DC disconnector is ing cover, and commissioning switched off.

  • Page 96: Button Functions And Led Status Indicator

    LED status shown via the operating status indicator LED. In the event of faults, carry out the individual steps in the Fronius Solar.start app. The optical sensor is actuated WLAN access point by touching with a finger. 3-6 sec.

  • Page 97: Installation With The App

    The inverter is performing an update. Flashing blue Installation with The "Fronius Solar.start" app is needed for this installation method. Depending the app on the end device with which the installation will be carried out, download the app for the respective platform.

  • Page 98: Installation Using The Web Browser

    Open the access point by touching the sensor once → Communication LED: flashes blue. Follow and complete the installation wizard in the individual sections. Add system components in Solar.web and start up the PV system. The network wizard and the product setup can be carried out independently of each other.
  • Page 99 Follow the installation wizard in the individual sections and complete the in- stallation. Add system components in Solar.web and start up the PV system. The network wizard and the product setup can be carried out independently of each other. A network connection is required for the Solar.web installation wiz- ard.

  • Page 100: Switching Off Current Supply And Restarting The Inverter

    Switching off current supply and restarting the inverter De-energising Turn off the automatic circuit the inverter and breaker. switching it on Turn the DC disconnector to the again "Off" switch position. To start up the inverter again, follow the steps listed above in reverse order.

  • Page 101: Settings - User Interface Of The Inverter

    Settings - user interface of the in- verter...

  • Page 103: User Settings

    User settings User login Open the user interface of the inverter in your browser. In the "Login" menu, log in using your user name and password, or go to the "User" menu and click on the "User login" button and then log in with your user name and password.

  • Page 104: Device Configuration

    Primary meter To ensure smooth operation in conjunction with other energy producers and in Full Backup backup power mode, it is important to install the Fronius Smart Meter at the feed-in point. The inverter and other producers must be connected to the public grid via the Fronius Smart Meter.

  • Page 105: Functions Andi/Os

    Functions and Backup power I/Os "Off", "PV Point" or "Full Backup" can be selected for backup power mode. Full Backup can only be activated once the required I/O assignments have been configured for backup power. In addition, a meter must be mounted and con- figured at the feed-in point for Full Backup backup power mode.

  • Page 106: Demand Response Modes (Drm)

    Mode Description Information DRM pin DRM5 Export P ≤ 0% currently not supported DRM 1/5 without disconnec- tion from the grid DRM6 Export P ≤ 50% currently not supported DRM 2/6 DRM7 Export P ≤ 75% & currently not supported DRM 3/7 * ≥...
  • Page 107 Nevertheless, false alarms can be triggered for the type A residual current circuit breaker in individual cases and depending on local conditions. For this reason, in accordance with national legislation, Fronius recommends that a residual current circuit breaker with a tripping current of at least 100 mA suitable for frequency converters be used.
  • Page 108 Parameter Range of val- Description "Iso Alternative Accurate Isolation monitoring is performed with the Mode" highest accuracy and the measured insula- tion resistance is displayed on the user in- terface of the inverter. Fast Isolation monitoring is performed with lower accuracy, which shortens the dura- tion of the isolation measurement, and the isolation value is not displayed on the user interface of the inverter.
  • Page 109 Parameter Range of val- Description "Backup Short 0.001 ‑ 60 s If a short circuit occurs in backup power Circuit Trip mode, this mode is interrupted within the Time" set time.

  • Page 110: Energy Management

    This means that energy can be drawn from the house- hold network and fed into the battery via the Fronius GEN24 inverter. You can re- strict how much power is consumed by the Fronius GEN24 inverter by specifying the maximum AC power (AC max.).

  • Page 111: Load Management

    Load manage- Priorities ment If additional components (e.g. battery, Ohmpilot) are present in the system, the priorities can be set here. Devices having higher priority are actuated first, and subsequently, if there is still excess energy available, the other devices. Load management It is possible for up to four different load management rules to be defined.

  • Page 112: System

    Click on the "Save" button. Update All available updates are made available on the product page and in the "Down- load search" area under www.fronius.com Firmware update Drag the firmware file into the "Drag&Drop file here" field or select it using "Select file".

  • Page 113: Licence Manager

    Save as PDF Click on the "Save as PDF" button. Individually select information with the "tick" next to the information or tick to "Select all". Enter the file name in the input field and click on the "Save" button. The PDF is created and displayed. Licence manager The license file contains the performance data and the scope of functions of the inverter.

  • Page 114: Support

    Click the "Activate support user" button. The support user is activated. IMPORTANT! The support user only allows Fronius Technical Support to implement settings on the inverter via a secure connection. The button "End support user access" deac- tivates the access.

  • Page 115: Communication

    If a firewall is used for outgoing connections, the following protocols, server ad- dresses and ports must be allowed for successful data transfer: Tcp fronius-se-iot.azure-devices.net:8883 Tcp fronius-se-iot-telemetry.azure-devices.net:8883 Tcp fronius-se-iot-telemetry.azure-devices.net:443 Udp sera-gen24.fronius.com:1194 (213.33.117.120:1194) Tcp froniusseiot.blob.core.windows.net:443 Tcp provisioning.solarweb.com:443 Tcp cure-se.fronius.com:443 When using FRITZ!Box products, the Internet access must be configured to be unlimited and unrestricted.

  • Page 116: Modbus

    The connection is established. Access point: The inverter acts as the access point. A PC or smart device connects directly with the inverter. It is not possible to connect to the internet. The "Network name (SSID)" and "Network key (PSK)" can be assigned in this menu. It is possible to operate a connection via WLAN and via access point simultan- eously.

  • Page 117: Fronius Solar Api

    Battery control specifications with battery Fronius Solar The Fronius Solar API is an Ethernet-based, open JSON interface. When en- abled, IOT devices on the local network can access inverter information without authentication. For security reasons, the interface is deactivated at the factory and should not be activated if it is not required for a third-party application (e.g.

  • Page 118: Safety And Grid Requirements

    With the inverter, any PV power that is not allowed to be fed into the public grid is used to charge the battery instead and/or used by the Fronius Ohmpilot so that it does not go to waste. The feed-in limitation is only active if the power of feeding in is higher than the set power reduction.

  • Page 119: Dynamic Power Regulation With Several Inverters

    Dynamic power Example 1: Fronius SnapINverter ≤ Fronius Primo GEN24 regulation with Only one primary meter is required for the Fronius Primo GEN24 inverter. several inverters The power values shown are an example. Inverter configurations with power val- ues other than those shown in the example are possible, taking into account the...
  • Page 120 IMPORTANT! With two primary meters at the feed-in point without a secondary meter, Fronius SnapINverter and Fronius Primo GEN24 inverters cannot be displayed as a com- bined PV system in Solar.web. Two individual PV systems must be created in Sol-...
  • Page 121 In order to be able to record all PV system data in Solar.web in full, only the Fronius Primo GEN24 inverter may be created in this PV system. The Fronius SnapINverter data is transmitted from the secondary meter to the Fronius Primo GEN24 inverter and thus displayed in Solar.web.
  • Page 122 0 0 1 0 0 1 6 kW Settings on the user interface of the Fronius Primo GEN24 inverter: Configure the primary meter at the feed-in point in the "Device configura- tion" → "Components" menu. Configure the secondary meter in the "Device configuration" → "Compon- ents"...

  • Page 123: Connection Diagram - 4 Relay

    Control priorities For setting the control priorities for the ripple control signal receiver, the feed-in limitation and control via Modbus. 1 = highest priority, 3 = lowest priority Connection dia- The ripple control signal receiver and the I/Os terminal of the inverter can be gram - 4 relay connected to one another in accordance with the connection diagram.

  • Page 124: I/O Power Management

    I/O power man- I/O Power Management agement set- V+/GND tings - 4 relays None None None None None DNO Feedback None not used None None DNO Rules IO control IO control Rule 1 IO control IO control Active Power Power Factor (cos φ) DNO Feedback Rule 2 Active Power...

  • Page 125: Connection Diagram - 3 Relay

    Connection dia- The ripple control signal receiver and the I/Os terminal of the inverter can be gram - 3 relay connected to one another in accordance with the connection diagram. If the distance between the inverter and the ripple control signal receiver ex- ceeds 10 m, at least a CAT 5 cable is recommended and the shield must be con- nected at one end to the push-in terminal of the data communication area (SHIELD).

  • Page 126: I/O Power Management Settings - 3 Relays

    I/O power man- I/O Power Management agement set- V+/GND tings - 3 relays None None None None None DNO Feedback None not used None None DNO Rules IO control IO control Rule 1 IO control None Active Power Power Factor (cos φ) DNO Feedback Rule 2 Active Power...

  • Page 127: Connection Diagram - 2 Relay

    Connection dia- The ripple control signal receiver and the I/Os terminal of the inverter can be gram - 2 relay connected to one another in accordance with the connection diagram. If the distance between the inverter and the ripple control signal receiver ex- ceeds 10 m, at least a CAT 5 cable is recommended and the shield must be con- nected at one end to the push-in terminal of the data communication area (SHIELD).

  • Page 128: I/O Power Management Settings - 2 Relays

    I/O power man- I/O Power Management agement set- V+/GND tings - 2 relays None None None None None DNO Feedback None not used None None DNO Rules IO control IO control Rule 1 None None Active Power Power Factor (cos φ) DNO Feedback Rule 2 Active Power...

  • Page 129: Connection Diagram - 1 Relay

    Connection dia- The ripple control signal receiver and the I/Os terminal of the inverter can be gram - 1 relay connected to one another in accordance with the connection diagram. If the distance between the inverter and the ripple control signal receiver ex- ceeds 10 m, at least a CAT 5 cable is recommended and the shield must be con- nected at one end to the push-in terminal of the data communication area (SHIELD).

  • Page 130: I/O Power Management Settings - 1 Relay

    I/O power man- I/O Power Management agement set- V+/GND tings - 1 relay None None None None None DNO Feedback None not used None None DNO Rules IO control None Rule 1 None None Active Power Power Factor (cos φ) DNO Feedback Rule 2 Active Power...

  • Page 131: Autotest(Cei 0-21)

    The limit values are set in the "Grid Code" menu. The access code for the "Grid Code" menu corresponds to the installer code (PROFI menu) and is only made available after a written request to Fronius. A corresponding application form is available from the national technical support.

  • Page 133: Options

    Options...

  • Page 135: Surge Protective Device (Spd)

    96). The error code "1030 WSD Open" is displayed on the user interface of the inverter in the "System" → "Event Log" menu or in the user menu under "Notifica- tions" as well as in Fronius Solar.web. In this case, the inverter must be repaired by an authorised specialist.

  • Page 136: Installation

    This can result in serious injury and damage to property. ▶ Installing and connecting a surge protective device (SPD) must only be car- ried out by service personnel trained by Fronius and only within the scope of the respective technical regulations. ▶...
  • Page 137 Loosen the two screws on the under- side of the housing cover by rotating them 180° to the left using a screw- driver (TX20). Then lift the housing cover away from the inverter at the bottom and detach from above. Loosen the five screws of the connec- tion area cover by rotating them 180°...
  • Page 138 Remove the DC push-in terminals from the slots and disconnect them from the cables (only necessary if the in- stallation already exists). DC Voltage PUSH PV+ / PV- Connect the supplied PV+/PV- cables to the respective connections. IMPORTANT! Note the labelling of the cables when connecting.
  • Page 139 Insert the PC board into the inverter and secure with the four screws (TX20) supplied at a torque of 1.0 ‑ 1.2 Nm. IMPORTANT! max. Depending on national standards and Ø10mm guidelines, a larger cross section of the ground conductor may be required. 1,5 Nm TX 20 Dimension the cable cross section of...
  • Page 140 Strip the insulation on the single con- ductors by 12 mm and secure to the corresponding slot of the terminal on the PC board with a torque of 1.2 - 1.5 IMPORTANT! The cable cross-section must be selec- ted according to the specifications for the respective inverter power category Permitted cables (see chapter...
  • Page 141 Remove the factory installed bypass on the push-in WSD terminal. Connect the signal cable to the push- in WSD terminal on the IN- and IN+ slots, observing the labelling. IN- & IN+ Check whether the WSD switch is in position 1, adjust if necessary (factory setting: position 1).

  • Page 142: Commissioning The Inverter

    Place the cover on the connection area. Tighten the five screws by rotat- ing them 180° to the right in the indic- ated order using a screwdriver (TX20). Clip the housing cover onto the invert- er from above. Press on the lower part of the housing cover and tighten the two screws by rotating them 180°...
  • Page 143 Set the DC disconnector to the "On" switch position. Switch on the auto- matic circuit breaker.

  • Page 145: Appendix

    Appendix...

  • Page 147: Care, Maintenance And Disposal

    ▶ The connection area must only be opened by an authorised electrician. ▶ The separate power stage set area must only be opened by Fronius-trained service technicians. ▶ Prior to any connection work, disconnect the inverter on the AC side and the DC side.

  • Page 148: Disposal

    Switch off power to the inverter and wait for the specified time until the ca- pacitors have discharged and the fan has shut down. Turn the DC disconnector to the "Off" switch position. Loosen the screws on the underside of the housing cover by rotating them 180°...
  • Page 149 Packaging materials Separate collection according to material. Check your local authority regulations. Crush containers to reduce size.

  • Page 150: Guarantee Provisions

    Guarantee provisions Fronius manu- Detailed, country-specific warranty terms are available on the internet: facturer's war- www.fronius.com/solar/warranty ranty To obtain the full warranty period for your newly installed Fronius inverter or storage system, please register at: www.solarweb.com.

  • Page 151: Components For Automatic Full Backup Backup Power Changeover

    Fronius Smart Meter TS 100A-1 43,0001,0045 Fronius Smart Meter TS 5kA-3 43,0001,0046 Fronius Smart Meter 240 V-3 UL 43,0001,3529 Grid and system protection unit (fuse protection: 1-pin, 6 A) Other manufacturers and types are permissible if they are technically and func- tionally identical to the examples below: VMD460-NA-D-2 (Bender GmbH &...
  • Page 152 K3 - modular relay Test standard IEC 60947-4-1 Examples of contact- Finder 22.23.9.012.4000 / Schrack relay RT424012 ors and relays (bracket RT17017, relay base RT78725) K4 and K5 - installation contactor Number of NC con- 2 (25 A) tacts Coil voltage 230 V AC (2P) Rated frequency 50/60 Hz...

  • Page 153: Status Codes And Remedy

    Status codes and remedy Display Status codes are displayed on the user interface of the inverter in the "System" → "Event Log" menu or in the user menu under "Notifications" or in Fronius Sol- ar.web*. with corresponding configuration, see chapter Fronius Solar.web...

  • Page 154: Technical Data

    Technical data Fronius Primo DC input data GEN24 3.0 / 3.0 MPP voltage range 190 - 530 V Plus (at rated power) Max. input voltage 600 V at 1000 W/m²/-10 °C in an open cir- cuit Min. input voltage 65 V...
  • Page 155 Nominal frequency 50 / 60 Hz Nominal frequency for Full Backup 53 / 63 Hz Total harmonic distortion < 2% 0.8 - 1 (adjustable) Power factor cos phi Max. permitted mains impedance Z None on PCC Maximum output fault current / dura- 29 A / 3 ms tion AC output data PV Point...

  • Page 156: Fronius Primo Gen24 3.6 / 3.6 Plus

    Power per digital output 1 A at >12.5 V-24 V (external supply) (max. 3 A in total) Datalogger/web server Integrated Fronius Primo DC input data GEN24 3.6 / 3.6 MPP voltage range 200 - 530 V Plus (at rated power) Max.
  • Page 157 Max. input current PV 1 22.0 A PV 2 12.0 A Max. short circuit current of solar modules (I SC PV 33 A PV 1 18 A PV 2 Max. short circuit current SC PV1 SC PV2 SC max 51 A Total Max.
  • Page 158 Nominal output current 13 A Nominal grid voltage 1 ~ NPE 220 V / 230 V / 240 V Nominal frequency 53 / 63 Hz Switchover time < 90 s 0 - 1 Power factor cos phi AC output data Full Backup Max.

  • Page 159: Fronius Primo Gen24 4.0 / 4.0 Plus

    Power per digital output 1 A at >12.5 V-24 V (external supply) (max. 3 A in total) Datalogger/web server Integrated Fronius Primo DC input data GEN24 4.0 / 4.0 MPP voltage range 210 - 530 V Plus (at rated power) Max.
  • Page 160 Max. capacity of the PV generator 800 nF against earth DC input data battery Max. voltage 455 V Min. voltage 150 V Max. current 22 A Max. output 4000 W DC inputs AC input/output data Nominal output power (P 4000 W Max.
  • Page 161 Nominal frequency for Full Backup 53 / 63 Hz Switchover time < 90 s 0 - 1 Power factor cos phi General data Maximum efficiency 97.6% European efficiency (U 97.1% mpp nom European efficiency (U 96.5% mpp max European efficiency (U 95.8% mpp min Self-consumption at night...

  • Page 162: Fronius Primo Gen24 4.6 / 4.6 Plus

    Power per digital output 1 A at >12.5 V-24 V (external supply) (max. 3 A in total) Datalogger/web server Integrated Fronius Primo DC input data GEN24 4.6 / 4.6 MPP voltage range 230 - 530 V Plus (at rated power) Max.
  • Page 163 Nominal grid voltage 1 ~ NPE 220V / 230V / 240 V Min. grid voltage 155 V Max. grid voltage 270 V Max. output current 27.5 A 20 A / 1.3 ms Current (inrush) Nominal frequency 50 / 60 Hz Nominal frequency for Full Backup 53 / 63 Hz Total harmonic distortion...

  • Page 164: Fronius Primo Gen24 5.0 / 5.0 Plus

    Power per digital output 1 A at >12.5 V-24 V (external supply) (max. 3 A in total) Datalogger/web server Integrated Fronius Primo DC input data GEN24 5.0 / 5.0 MPP voltage range 230 - 530 V Plus (at rated power)
  • Page 165 Max. input voltage 600 V at 1000 W/m²/-10 °C in an open cir- cuit Min. input voltage 65 V Feed-in start-up input voltage in grid 80 V operation Max. input current PV 1 22.0 A PV 2 12.0 A Max. short circuit current of solar modules (I SC PV 33 A...
  • Page 166 Maximum output fault current / dura- 29 A / 3 ms tion AC output data PV Point Max. output power 4133 W (for 5 s) Rated power 3000 W Nominal output current 13 A Nominal grid voltage 1 ~ NPE 220 V / 230 V / 240 V Nominal frequency 53 / 63 Hz Switchover time...

  • Page 167: Fronius Primo Gen24 6.0 / 6.0 Plus

    Power per digital output 1 A at >12.5 V-24 V (external supply) (max. 3 A in total) Datalogger/web server Integrated Fronius Primo DC input data GEN24 6.0 / 6.0 MPP voltage range 230 - 480 V Plus (at rated power) Max.
  • Page 168 Max. inverter backfeed current to the 33 / 18 A array Number of inputs - PV 1 Number of inputs - PV 2 Max. capacity of the PV generator 1200 nF against earth DC input data battery Max. voltage 455 V Min.
  • Page 169 Nominal output current 26.1 A Nominal grid voltage 1 ~ NPE 220 V 1 ~ NPE 230 V 1 ~ NPE 240 V Nominal frequency for Full Backup 53 / 63 Hz Switchover time < 90 s 0 - 1 Power factor cos phi General data Maximum efficiency...

  • Page 170: Explanation Of Footnotes

    Modbus RTU SunSpec (2x) RS485 2-wire Voltage level of digital inputs low: min. 0 V–max. 1.8 V high: min. 4.5 V–max. 28.8 V Input currents of digital inputs depending on the input voltage; input resistance = 70 kOhm Total power for digital output 6 W at 12 V (USB not connected) (internal supply) Power per digital output...

  • Page 171: Integrated Dc Disconnector

    The sum of the rated power per phase must not exceed the rated power of the inverter. Valid for Fronius Primo GEN24 with battery connection and Fronius Primo GEN24 Plus. Integrated DC General data disconnector Product name Benedict LS32 E 7905...

  • Page 173: Circuit Diagrams

    Circuit diagrams...

  • Page 175: Circuit Diagram - Pv Point (Op)

    Circuit Diagram - PV Point (OP) Circuit Diagram...

  • Page 176: Fronius Primo Gen24 And Byd Battery-Box Premium Hv

    Fronius Primo GEN24 and BYD Battery-Box Premium HV Circuit Diagram...

  • Page 177: Fronius Primo Gen24 With Two Byd Battery-Box Premium Hv Connected In Parallel

    Fronius Primo GEN24 with two BYD Battery-Box Premium HV connected in parallel Circuit Diagram...

  • Page 178: Fronius Primo Gen24 With Three Byd Battery-Box Premium Hv Connected In Parallel

    Fronius Primo GEN24 with three BYD Battery- Box Premium HV connected in parallel Circuit Diagram...

  • Page 179: Automatic Switch To Backup Power 1-Pin Double Separation - E.g. Austria

    Automatic switch to backup power 1-pin double separation - e.g. Austria Circuit Diagram...

  • Page 180: Automatic Switch To Backup Power 1-Pin Single Separation - E.g. Australia

    Automatic switch to backup power 1-pin single separation - e.g. Australia Circuit Diagram...

  • Page 181: Automatic Switch To Backup Power 2-Pin Double Separation - E.g. Germany

    Automatic switch to backup power 2-pin double separation - e.g. Germany Circuit Diagram...

  • Page 182: Automatic Switch To Backup Power 2-Pin Single Separation - E.g. France, Spain

    Automatic switch to backup power 2-pin single separation - e.g. France, Spain Circuit Diagram...

  • Page 183: Automatic Switch To Backup Power 2-Pin Double Separation - E.g. Uk

    Automatic switch to backup power 2-pin double separation - e.g. UK Circuit Diagram...

  • Page 184: Automatic Switch To Backup Power 2-Pin Double Separation With Ext. Grid And System Protec

    Automatic switch to backup power 2-pin double separation with ext. grid and system protection - e.g. Italy Circuit Diagram...

  • Page 185: Fronius Primo Gen24 With Enwitec Box

    Fronius Primo GEN24 with Enwitec Box Circuit Diagram...

  • Page 186: Wiring Diagram - Surge Protective Device Spd

    Wiring diagram - surge protective device SPD Circuit Diagram...
  • Page 187 Dimensions of the inverter...
  • Page 189 Fronius Primo GEN24 3 - 6 kW Fronius Primo GEN24 3 - 6 kW...

This manual is also suitable for:

Primo gen24 3.0 plusPrimo gen24 3.6Primo gen24 3.6 plusPrimo gen24 4.0Primo gen24 4.0 plusPrimo gen24 4.6 ... Show all

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