Fronius Symo GEN24 3.0 Operating Instructions Manual
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- Operating instructions manual (192 pages) ,
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Summary of Contents for Fronius Symo GEN24 3.0
- Page 1 / Perfect Charging / Perfect Welding / Solar Energy Operating instructions Fronius Symo GEN24 3.0 / 3.0 Plus / 4.0 / 4.0 Plus 5.0 / 5.0 Plus 42,0426,0388,EN 011-10112021 Fronius prints on elemental chlorine free paper (ECF) sourced from certified sustainable forests (FSC).
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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 Symo 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 General PV Point (OP) Explanation - PV Point (OP) Installation General Quick-lock system Warning notices on the device Installation location and position Choosing the location of the inverter Choosing the location of third-party batteries Explanation of symbols for the installation position Install the mounting bracket and hang up the inverter Selecting the fixing material Properties of the mounting bracket...
- Page 5 Status codes and remedy Status Codes Technical data Fronius Symo GEN24 3.0 / 3.0 Plus Fronius Symo GEN24 4.0 / 4.0 Plus Fronius Symo GEN24 5.0 / 5.0 Plus Technical data of surge protective device DC SPD type 1+2 GEN24...
- Page 6 Circuit diagrams Circuit Diagram - PV Point (OP) Circuit Diagram Fronius Symo GEN24 and BYD Battery-Box Premium HV Circuit Diagram Wiring diagram - surge protective device SPD Circuit Diagram Dimensions of the inverter Fronius Symo GEN24 3 - 5 kW...
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Page 7: 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 8: Environmental Conditions
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 company Any safety devices that are not fully functional must be repaired by an authorized spe- cialist before the device is switched on. -
Page 9: Backup Power
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 disconnection on the utility side and deactivation of the replacement power mode by opening the integ- rated DC disconnector on the inverter. -
Page 10: Copyright
Copyright Copyright of these operating instructions remains with the manufacturer. The text and illustrations are all technically correct at the time of printing. We reserve the right to make changes. The contents of the operating instructions shall not provide the basis for any claims whatsoever on the part of the purchaser. -
Page 11: General Information
General information... -
Page 13: Fronius Symo Gen24
The functions are optionally available via Fronius UP (see chapter Fronius UP). Fronius UP With Fronius UP*, the inverter can be expanded by the authorised specialist to include optionally available functions (see chapter Function overview). The availability of Fronius UP varies from country to country. For more informa- tion on Fronius UP and availability, see Installation guide: Fronius GEN24 &... -
Page 14: Scope Of Supply
Observe the grid operator's regulations for energy fed into the grid and connection meth- ods. 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 therefore be observed in... -
Page 15: Thermal Concept
With Fronius Solar.web or Fronius Solar.web Premium, the PV system can be easily ar.web monitored and analysed by the system owner and installer. If configured accordingly, the inverter transmits data such as power, yields, load, and energy balance to Fronius Sol- ar.web. For more information see Solar.web - monitoring &... -
Page 16: The Various Operating Modes
Primary meter records the system's load curve and provides measurement data for en- ergy profiling in Fronius Solar.web. The primary meter also controls the dynamic feed-in control. Secondary meter Records the load curve of individual loads (e.g. washing machine, lamps, TV, heat pump, etc.) in the consumption branch and provides... -
Page 17: Operating Mode - Inverter With Battery
Operating mode – In order to be able to obtain the highest rate of self-consumption with your PV system, a Inverter with bat- battery can be used to store excess energy. The battery is coupled to the inverter on the tery direct current side. -
Page 18: Operating Mode - Inverter With Battery And Ohmpilot
Operating mode – Inverter with bat- tery and Ohmpi- Operating mode – Inverter with bat- tery and addition- al inverter Energy flow dir- In the case of hybrid inverters, there are four different energy flow directions: ection of the in- verter... -
Page 19: Operating States (Only For Systems With A Battery)
Solar module – inverter – load/grid Solar 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 current (only for systems operating state is displayed on the website of the inverter or in Solar.web. -
Page 20: Energy Saving Mode
Both the inverter and the battery automatically switch to energy saving 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 condi-... -
Page 21: Indication Of Energy Saving Mode
Indication of en- During energy saving mode: ergy saving mode Operating LED for the inverter lights up orange (see Button functions and LED status indicator on page 73). The website 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 22: Suitable Battery
Fronius explicitly points out that the third-party batteries are not Fronius products. Froni- Premium us is not the manufacturer, distributor or retailer of these batteries. Fronius accepts no liability and offers no service or guarantees for these batteries. Obsolete firmware/software states may lead to incompatibilities between the inverter and the battery. - Page 23 IMPORTANT! To ensure reliable operation with a BYD Battery-Box Premium, the follow- ing switch-on sequence for the system must always be observed. Switch on the battery. Set the DC disconnector to the "On" switch position. Switch on the automatic circuit breaker.
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Page 24: Manual System Start
Manual system start Requirements There is no energy available from the PV modules or from the public grid. If backup power operation or battery operation are not possible (e.g. deep discharge protection of the battery), the inverter and battery switch off. Notification of Status codes about the inactive state of the battery are displayed on the user interface of system shutdown... -
Page 25: 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 switches in system protec- conjunction with a central grid and system protection unit (in accordance with VDE-AR-N tion 4105:2018:11 §6.4.1). For this purpose, the central trigger device (switch) must be integ- rated into the WSD chain as described in the chapter "WSD (Wired Shut Down)". -
Page 26: Control Elements And Connections
Control elements and connections Connection area 2 x 4-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) 5-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 27: 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) from divider the signal lines. -
Page 28: Dc Disconnector
DC disconnector The DC disconnector has three switch set- tings: 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 com- plied with in this respect. -
Page 29: Internal Schematic Connection Diagram Of The Ios
Switches the terminating resistor for Modbus 0 (MB0) on/off. Modbus 0 (MB0) switch Position 1: Terminating resistor on (factory setting) Position 0: Terminating resistor off Switches the terminating resistor for Modbus 1 (MB1) on/off. Modbus 1 (MB1) switch Position 1: Terminating resistor on (factory setting) Position 0: Terminating resistor off To operate the inverter. - Page 30 CAUTION! Risk of polarity reversal at the terminals due to improper connection of external power supplies. This may result in severe damage to the inverter. ▶ Check the polarity of the external power supply with a suitable measuring device be- fore connecting it.
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Page 31: Backup Power Variant - Pv Point (Op)
Backup power variant - PV Point (OP) -
Page 33: 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, single-phase electrical devices can be connected to the Oppor- tunity Power (OP) terminal and supplied with a maximum power of 3 kW, if enough... -
Page 35: Installation
Installation... -
Page 37: 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 38 32 - 11 = 21 → Production year 2021 07 = Calendar week 07 Symbols on the rating plate: CE mark – confirms compliance with applicable EU directives and regulations. UKCA mark – confirms compliance with applicable UK directives and regulations.
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Page 39: Installation Location And Position
Installation location and position Choosing the loc- Please note the following criteria when choosing a location for the inverter: ation of the in- verter Only install on a solid, non-flammable surface. Max. ambient temperatures: -25 °C – +60 °C Relative humidity: 0-100% If the inverter is installed in a switch cab- inet or similar enclosed space, ensure... -
Page 40: Choosing The Location Of Third-Party Batteries
IMPORTANT! The inverter must not be installed or used at altitudes above 4000 m. Do not install the inverter in: Areas where it may be exposed to ammonia, corrosive gases, acids or salts (e.g. fertiliser storage areas, vent openings for live- stock stables, chemical plants, tanneries, etc.) During certain operating phases the inverter may produce a slight noise. - Page 41 The inverter is suitable for a horizontal installation position. The inverter is suitable for installation on a sloping surface. Do not install the inverter on a sloping surface with its connection sockets at the top. Do not install the inverter at an angle on a vertical wall or column. Do not install the inverter horizontally on a vertical wall or pillar.
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Page 42: 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 the ing material screw dimension recommendations for the mounting bracket. The installer is responsible for selecting the right type of fixing. Properties of the The separate mounting bracket (illustra- mounting bracket... -
Page 43: Installing The Mounting Bracket On A Mast Or Beam
Installing the When installing the inverter on a mast or mounting bracket beam, Fronius recommends using the on a mast or "Pole clamp" (order no. SZ 2584.000) beam mounting kit from Rittal GmbH. The "Pole clamp" kit covers the following... -
Page 44: Attaching The Inverter To The Mounting Bracket
Attaching the in- There are integrated grips on the side of verter to the the inverter which facilitate lifting/attach- mounting bracket ing. Clip the inverter into the mounting bracket from above. The connections must point downwards. The lower area of the inverter is pushed into the snap-in tabs until the inverter aud- ibly clicks into place on both sides. -
Page 45: 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 inverter: 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. Fine-stranded with ferrules‐... -
Page 46: Cross Section Of The Ac Cable
AWG 26-18 AWG 26-16 sible LAN connections Fronius recommends using at least CAT 5 STP (shielded twisted pair) cables and a maximum distance of 100 m (109 yd). Cross section of For a standard M32 metric screw joint with a reducer:... -
Page 47: Cross Section Of The Dc Cable
A residual current circuit breaker in individual cases and depending on local conditions. For this reason, in accordance with national legislation, Fronius recom- mends that a residual current circuit break- er with a tripping current of at least 100 mA suitable for frequency converters be used. -
Page 48: 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 commissioning the equipment. - Page 49 Make sure that the DC disconnector is in the "Off" switch setting. Loosen the five screws of the connection area cover by rotating them 180° to the left using a screwdriver (TX20). Remove the connection area cover from the device. Press the lock on the back of the terminal and remove the AC terminal.
- Page 50 Phase conductor Phase conductor Phase conductor Neutral conductor Ground conductor Insert the AC terminal into the AC slot until it engages. Fasten the union nut of the strain-relief device with a torque of 6-7 Nm.
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Page 51: Connecting Solar Module Strings To The Inverter
Commissioning as well as maintenance and service work in the power module of the in- verter must only be carried out by service personnel trained by Fronius and only within the scope of the respective technical regulations. Read the Installation and Operating In- structions before installing and commissioning the equipment. -
Page 52: Pv Generator - General Information
WARNING! Danger due to damaged and/or contaminated terminals. This can result in serious injury and damage to property. ▶ Before making any connections, check the terminals for damage and contamination. ▶ Remove contamination in the de-energized state. ▶ Have defective terminals repaired by an authorised specialist. PV generator - 2 independent PV inputs (PV 1 and PV 2) are available. -
Page 53: Connecting The Solar Module Strings To The Inverter
PV generator settings: PV 1: ON PV 2: ON PV 1 (l dcmax ) = 18.75 A / PV 2 (I dcmax ) = 18.75 A Connecting the solar module strings to the in- verter Push the DC cables through the DC bush- ings by hand. - Page 54 Select the cable cross section in accord- ance with the instructions in Permitted cables from page 45. Strip the insulation of the single conduct- ors by 12 mm. Lift to open the terminal's operating lever and insert the stripped single conductor into the slot provided, in each case as far as it will go.
- Page 55 Use a suitable measuring instrument to check the voltage and polarity of the DC cabling. Remove both DC terminals from the slots. CAUTION! Danger due to polarity reversal at the terminals. This may result in severe damage to the inverter. ▶...
- Page 56 Insert the DC terminals into the respective 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.
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Page 57: 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 damage. Commissioning as well as maintenance and service work on the inverter and battery must only be carried out by service personnel trained by the respective inverter or bat- tery manufacturer and only within the scope of the respective technical regulations. - Page 58 Manually push the BAT cables through the DC bushings. * Connect the ground conductor of the bat- tery to an external point (e.g. switch cabin- et). In doing so, the minimum cross sec- tion of the battery's ground conductor must be observed.
- Page 59 Select the cable cross section in accord- ance with the instructions in Permitted cables from page 45. Strip the insulation of the single conduct- ors by 12 mm. Lift to open the terminal's operating lever and insert the stripped single conductor into the slot provided, in each case as far as it will go.
- Page 60 Insert the DC terminals into the respective 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.
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Page 61: Connecting Backup Power - Pv Point (Op)
In order to ensure the residual current circuit breaker operates properly, a connection 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) on page 135. - Page 62 Switch off the automatic circuit breaker and DC disconnector. Make sure that the DC disconnector is in the "Off" switch setting. Loosen the five screws of the connection area cover by rotating them 180° to the left using a screwdriver (TX20). Remove the connection area cover from the device.
- Page 63 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 64 Strip the insulation of the single conduct- ors by 12 mm. The cable cross section must be between 1.5 mm and 10 mm . Lift to open the ter- minal's operating lever and insert the stripped single conductor into the slot provided, all the way up to the stop.
- Page 65 Insert the OP terminal into the OP slot until it engages. Tighten the union nut of the strain-relief device to the torque specified by the manufacturer.
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Page 66: Connecting The Data Communication Cable
Modbus" function is activated in the "Communication”"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 meter... -
Page 67: Routing Data Communication Cables
Routing data IMPORTANT! communication If data communication cables are wired into the inverter, observe the following points: cables Depending on the number and cross section of the wired data communication cables, remove the corresponding blanking plugs from the sealing insert and insert the data communication cables. - Page 68 Guide the data cables first through the strain-relief device union nut and then through the housing opening. Insert the sealing ring between the union 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.
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Page 69: 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 136. Terminating res- It may be possible for the system to function without terminating resistors. However, ow- istors ing to interference, the use of terminating resistors according to the following overview is recommended for trouble-free functioning. - Page 70 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) max. 300 m max. 20 m OPTION 2 M0 / M1 Manufacturer manual Manufacturer manual 0 0 1 Modbus 0 / 1...
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Page 71: Installing The Wsd (Wired Shutdown)
Installing the IMPORTANT! WSD (wired shut- The push-in WSD terminal in the inverter's down) connection area is delivered with a bypass ex works as standard. The bypass must be removed when installing 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 72: Closing And Commissioning The Inverter
Closing and commissioning the inverter Closing the in- NOTE! verter's connec- tion area/housing The housing cover is fitted with a lock for safety reasons, which allows the hous- cover, and com- ing cover on the inverter to be pivoted only when the DC disconnector is switched missioning off. -
Page 73: Button Functions And Led Status Indicator
The status of the connection is shown via the communication LED. To establish the connection, carry out the individual steps in the Fronius Solar.web live app. Sensor functions = WLAN access point (AP) is opened. Flashing blue = WLAN Protected Setup (WPS) is activated. -
Page 74: 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 on the the app end device with which the installation will be carried out, download the app for the re- spective platform. -
Page 75: 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 oth- er. -
Page 76: Switch Off Power To The Inverter
Switch off power to the inverter Switch off power Turn off the automatic circuit breaker. to the inverter Turn the DC disconnector to the "Off" switch position. To start up the inverter again, follow the steps listed above in reverse order. -
Page 77: Settings - Website Of The Inverter
Settings - website of the inverter... -
Page 79: User Settings
User settings User login Open the website 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 80: Device Configuration
To ensure smooth operation in conjunction with other energy producers, 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 81: Demand Response Modes (Drm)
Backup power nominal voltage When backup power mode is activated, the nominal voltage of the public grid must be selected. State of charge warning limit A warning is output when the residual capacity of the battery specified here is reached in backup power mode. -
Page 82: Energy Management
This means that energy can be drawn from the household network and fed in- to the battery via the Fronius GEN24 inverter. You can restrict how much power is con- sumed by the Fronius GEN24 inverter by specifying the maximum AC power (AC max.). - Page 83 Thresholds On: For entering an effective power limit, at which the output is activated. Off: For entering an effective power limit, at which the output is deactivated. Runtimes Field for enabling a minimum duration for which the output is to be activated for each switch-on process.
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Page 84: System
Click on the "Save" button. Update All available updates are made available on the product page and in the "Download 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 85: Licence Manager
"Select license file". The licence activation starts. Support Activate support user 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 in-... - Page 86 Remote maintenance access for the Fronius Support team is enabled. IMPORTANT! Remote maintenance access gives Fronius Technical Support exclusive access to the in- verter via a secure connection. Diagnostic data is transmitted here that can be used for troubleshooting purposes. Only enable remote maintenance access following a request...
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Page 87: Communication
If a firewall is used for outgoing connections, the following protocols, server addresses 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 LAN: Enter host name. -
Page 88: Modbus
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 simultaneously. -
Page 89: Fronius Solar Api
Battery control specifications with battery Fronius Solar API The Fronius Solar API is an Ethernet-based, open JSON interface. When enabled, 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 90: Safety And Grid Requirements
With the inverter, any PV power that is not allowed to be fed into the 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 fed in is higher than the set power reduction. -
Page 91: Dynamic Power Regulation With Several Inverters
Dynamic power Example 1: Fronius SnapINverter ≤ Fronius Symo GEN24 regulation with Only 1 primary meter is required for the Fronius Symo GEN24 inverter. several inverters The power values shown are an example. Inverter configurations with power values oth- er than those shown in the example are possible, taking into account the criteria for this example. - Page 92 IMPORTANT! With two primary meters at the feed-in point without a secondary meter, Fronius SnapIN- verter and Fronius Symo GEN24 inverters cannot be displayed as a combined PV sys- tem in Solar.web. Two individual PV systems must be created in Solar.web.
- Page 93 IMPORTANT! In order to be able to record all PV system data in Solar.web in full, only the Fronius Symo GEN24 inverter may be created in this PV system. The Fronius SnapINverter data is transmitted from the secondary meter to the Fronius Symo GEN24 inverter and thus displayed in the Solar.web.
- Page 94 “Components” menu. Configure the secondary meter in the "Device configuration" → "Components" menu. Settings in the system monitoring of the Fronius SnapInverter: Configure the primary meter at the feed-in point in the "Settings " → "Meter" menu. Activate the limit for the entire system in the "DNO Editor" → "Dynamic power reduc- tion"...
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Page 95: Connection Diagram - 4 Relays
1 = highest priority, 3 = lowest priority Connection dia- The ripple control signal receiver and the I/Os terminal of the inverter can be connected gram - 4 relays to one another in accordance with the connection diagram. If the distance between the inverter and the ripple control signal receiver exceeds 10 m, at least a CAT 5 cable is recommended and the shield must be connected at one end to the push-in terminal of the data communication area (SHIELD). -
Page 96: I/O Power Management
I/O power man- I/O Power Management agement settings V+/GND - 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 97: Connection Diagram - 3 Relays
Connection dia- The ripple control signal receiver and the I/Os terminal of the inverter can be connected gram - 3 relays to one another in accordance with the connection diagram. If the distance between the inverter and the ripple control signal receiver exceeds 10 m, at least a CAT 5 cable is recommended and the shield must be connected at one end to the push-in terminal of the data communication area (SHIELD). -
Page 98: I/O Power Management Settings - 3 Relays
I/O power man- I/O Power Management agement settings V+/GND - 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 99: Connection Diagram - 2 Relays
Connection dia- The ripple control signal receiver and the I/Os terminal of the inverter can be connected gram - 2 relays to one another in accordance with the connection diagram. If the distance between the inverter and the ripple control signal receiver exceeds 10 m, at least a CAT 5 cable is recommended and the shield must be connected at one end to the push-in terminal of the data communication area (SHIELD). -
Page 100: I/O Power Management Settings - 2 Relays
I/O power man- I/O Power Management agement settings V+/GND - 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 101: Connection Diagram - 1 Relay
Connection dia- The ripple control signal receiver and the I/Os terminal of the inverter can be connected gram - 1 relay to one another in accordance with the connection diagram. If the distance between the inverter and the ripple control signal receiver exceeds 10 m, at least a CAT 5 cable is recommended and the shield must be connected at one end to the push-in terminal of the data communication area (SHIELD). -
Page 102: I/O Power Management Settings - 1 Relay
I/O power man- I/O Power Management agement settings V+/GND - 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 Power Factor (cos φ) - Page 103 The limit values are set in the menu area 'Grid Code'. The access code for the 'Grid Code' menu area corresponds to the installer code (PROFI menu) and is only made available to Fronius following a written request. An appropriate application form is available from national technical support.
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Page 105: Options
Options... -
Page 107: Surge Protective Device (Spd)
WSD Open " is displayed on the inverter's website in the System " → " Event Log " menu or in the user menu under "Notifications as well as in Fronius Solar.web. In this case, the inverter must be repaired by an authorised specialist. -
Page 108: Installation
This can result in serious injury and damage to property. ▶ Installing and connecting a surge protective device (SPD) must only be carried out by service personnel trained by Fronius and only within the scope of the respective technical regulations. ▶... - Page 109 Loosen the two screws on the underside of the housing cover by rotating them 180° to the left using a screwdriver (TX20). Then lift the housing cover away from the inverter at the bottom and detach from above. Loosen the five screws of the connection area cover by rotating them 180°...
- Page 110 Remove the DC push-in terminals from the slots and disconnect them from the cables (only necessary if the installation already exists). Connect the supplied PV+/PV- cables to the respective connections. IMPORTANT! Note the labelling of the cables when con- necting. Connect the supplied cables to the re- spective connectors on the PC board.
- Page 111 Insert the PC board into the inverter and secure with the four screws (TX20) sup- plied at a torque of 1.0 ‑ 1.2 Nm. IMPORTANT! Depending on national standards and guidelines, a larger cross section of the ground conductor may be required. Dimension the cable cross section of the ground conductor according to the national standards and guidelines and fit a ring...
- Page 112 Strip the insulation on the single conduct- ors by 12 mm and secure to the corres- ponding slot of the terminal on the PC board with a torque of 1.2 - 1.5 Nm. IMPORTANT! The cable cross-section must be selected according to the specifications for the re- spective inverter power category (see chapter...
- Page 113 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, ob- serving the labelling. Check whether the WSD switch is in posi- tion 1, adjust if necessary (factory setting: position 1).
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Page 114: Commissioning The Inverter
Place the cover on the connection area. Tighten the five screws by rotating them 180° to the right in the indicated order us- ing a screwdriver (TX20). Clip the housing cover onto the inverter from above. Press on the lower part of the housing cover and tighten the two screws by rotat- ing them 180°... - Page 115 Set the DC disconnector to the "On" switch position. Switch on the automatic circuit breaker.
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Page 117: Appendix
Appendix... -
Page 119: 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 120: Disposal
Switch off power to the inverter and wait for the specified time (2 minutes) until the capacitors 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 121: Guarantee Provisions
Guarantee provisions Fronius manufac- Detailed, country-specific warranty terms are available on the internet: turer's warranty www.fronius.com/solar/warranty To obtain the full warranty period for your newly installed Fronius inverter or storage sys- tem, please register at: www.solarweb.com. -
Page 122: Status Codes And Remedy
This can result in serious injury and damage to property. ▶ Installing and connecting a surge protective device (SPD) must only be carried out by service personnel trained by Fronius and only within the scope of the respective technical regulations. ▶... -
Page 123: Technical Data
Technical data Fronius Symo DC input data GEN24 3.0 / 3.0 MPP voltage range 125 - 800 V Plus (at nominal output power) Max. connected load (P PV max 4500 Wp Total 4500 Wp / 4500 Wp PV 1 / PV 2 Max. - Page 124 Min. grid voltage 154 V Max. grid voltage 280 V Max. output current Nominal output current (at 230 V) 4.3 A 9.9 A / 4 ms Current (inrush) Nominal frequency 50 / 60 Hz Total harmonic distortion < 3.5% 0-1 (adjustable) Power factor cos phi 0.7 - 1 (recommended) Max.
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Page 125: Fronius Symo Gen24 4.0 / 4.0 Plus
Power per digital output 1 A at >12.5 V - 24 V (for external supply) (max. 3 A in total) Datalogger/web server Integrated Fronius Symo DC input data GEN24 4.0 / 4.0 MPP voltage range 170 - 800 V Plus (at nominal output power) Max. - Page 126 Max. inverter backfeed current to the ar- 18.75 A Number of inputs - PV1 Number of inputs - PV2 Max. capacity of the PV generator against 800 nF earth DC input data battery Max. voltage 531 V / 700 V * * only with suitable disconnection device between inverter and battery in the event of a fault...
- Page 127 0 - 1 Power factor cos phi General data Maximum efficiency 98.2% European efficiency (U mpp nom European efficiency (U 96.6% mpp max European efficiency (U 95.8% mpp min Self-consumption at night < 10 W Cooling Controlled forced-air ventilation Protection class IP 66 Dimensions H x W x D 530 ×...
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Page 128: Fronius Symo Gen24 5.0 / 5.0 Plus
Power per digital output 1 A at >12.5 V - 24 V (for external supply) (max. 3 A in total) Datalogger/web server Integrated Fronius Symo DC input data GEN24 5.0 / 5.0 MPP voltage range 210 - 800 V Plus (at nominal output power) Max. - Page 129 Nominal grid voltage 3 ~ NPE 220 V / 380 V 3 ~ NPE 230 V / 400 V Min. grid voltage 154 V Max. grid voltage 280 V Max. output current Nominal output current (at 230 V) 7.2 A 9.9 A / 4 ms Current (inrush) Nominal frequency...
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Page 130: Technical Data Of Surge Protective Device Dc Spd Type 1+2 Gen24
Safety class (according to IEC62103) Protection devices DC isolation measurement Warning / shutdown at R < 100 kOHM Overload performance Operating point shift, power limiter DC disconnector Integrated RCMU Integrated Data communication WLAN SMA-RP connection 802.11b/g/n (WPA, WPA2) (FCC ID: QKWPILOT01 / IC ID: 12270A- PILOT01) Ethernet (LAN) RJ 45, 10/100 MBit... -
Page 131: Explanation Of Footnotes
Remote communication of the connection Output on the changeover contact interruption Housing material Thermoplastic UL-94-V0 Test standards IEC 61643-31 / DIN EN 50539-11 UL1449 ed.4 / VDE 0185-305-3 Bbl. 5 Explanation of The values stated are defaults; the inverter is configured specifically to suit the footnotes requirements of the relevant country. -
Page 133: Circuit Diagrams
Circuit diagrams... -
Page 135: Circuit Diagram - Pv Point (Op)
Circuit Diagram - PV Point (OP) Circuit Diagram... -
Page 136: Fronius Symo Gen24 And Byd Battery-Box Premium Hv
Fronius Symo GEN24 and BYD Battery-Box Premi- um HV Circuit Diagram... -
Page 137: Wiring Diagram - Surge Protective Device Spd
Wiring diagram - surge protective device SPD Circuit Diagram... -
Page 139: Dimensions Of The Inverter
Dimensions of the inverter... -
Page 141: Fronius Symo Gen24 3 - 5 Kw
Fronius Symo GEN24 3 - 5 kW Fronius Symo GEN24 3-5 kW...
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