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1. 52 Setting the Bluetooth NetID 0 eee ccs 53 Mili function Relay ates seine Mand Magee 53 54 Commissioning the 54 Display Messages during the Start 55 Self test in Accordance with ENEL Guideline Only for Italy 56 Starting the Self Test 0 0 0 eee eee e 56 T st Sequence eere rr eve a a ober pde 57 Aborting th Selt T st riter tr ere bye oie ainet 60 Restarting the Self Test 60 S B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG Table of Contents 8 8 1 8 2 8 3 9 9 1 9 2 9 3 10 11 11 1 11 2 11 3 11 4 11 5 11 6 12 12 1 12 2 12 3 12 4 12 5 13 13 1 13 1 1 13 1 2 13 2 Opening and 61 STORY c Ho Se aee oc ati dieit didis 61 Disconnecting the Inverter from Voltage Sources 62 Closing th 65 Maintenance and 67 Cleaning the 1 67 Checking Heat 67 Checking the Electronic Solar Switch for Wear 68 Slot for S Card ois ioo o sp ads 69
2. Reaction time 1 TEMPO 5 5 The change between the first and second display takes place every 2 5 seconds 58 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Maximum Frequency The maximum frequency test follows the undervoltage test and the inverter shows the adjacent display message for 5 seconds During the test sequence the frequency limit applied is shown in the display of the inverter The frequency limit is reduced successively until the disconnection threshold is reached and the inverter disconnects from the electricity grid Commissioning RUTOTEST F RE REX 50 20 HZ Once the inverter has disconnected from the electricity grid the display successively shows each of the following values for 10 seconds Disconnection value Calibration value e Reaction time VALORE 01 50 05 HZ SOGLIA CON 50 05 HZ VALORE Di 50 30 HZ TARATURA 50 30 HZ TEMPO 0015 INTERVENTO GOTS The change between first and second display takes place every 2 5 seconds Installation Manual B25_30TLST_21 IAIEN121110 59 Commissioning SMA Solar Technology AG Minimum Frequency After the maximum frequency test the minimum frequency RUTBTEST F RE IN LU 1 test takes place and the inverter shows the display message on the right for 5 seconds During the test sequence the frequency limit applied is
3. 70 DED e A cun s 70 Event Messdies supuso deep da RoR ataca tier 71 Error 72 DC Current after AC side Disconnection 82 Checking the PV Array for Earth 82 Checking the Function of the Varistors 84 DECOMMISSIONING 4 2 2 5 ede ere dee a ee eae gle ha 88 Disassembling the Inverter 88 Replacing the Enclosure Lid 88 Packing the 1 91 Storing the 91 Disposing of the 1 91 Technical Data 92 c I REO N 92 Sunny Boy 2500TL Single 92 Sunny Boy 3000TL Single 93 General 94 Installation Manual S B25_30TLST_21 IA IEN121110 5 Table of Contents SMA Solar Technology AG 13 3 13 4 13 5 13 6 13 7 13 8 13 9 13 10 14 15 Protective Devices cvs k Ga en 95 POPOV GIS denise icc LEM EE 95 Climatic 96 Feat res 2230 20 oo edge us tte 96 Electronic Solar Switch acoso scq eed Ub doo 96 o ane doge dta kopo
4. etatem ctt pd ed E tib 25 Selecting the Mounting Location v ioa ascia a 25 Mounting the 27 Installation Manual SB25_30TLST_21 IA IEN121110 3 Table of Contents SMA Solar Technology AG 6 1 6 2 6 3 6 3 1 6 3 2 6 3 3 6 4 6 4 1 6 4 2 6 4 3 6 4 4 6 5 6 5 1 6 5 2 6 6 6 6 1 6 6 2 6 6 3 7 1 7 2 7 3 7 3 1 7 3 2 7 3 3 7 3 4 Electrical Connection 30 SGlely 4355 4 an oa Nee Se edo ed aaa 30 Overview of the Connection Area 30 Connection to the Electricity Grid 32 Conditions for the AC Connection 32 Connecting the Inverter to the Electricity Grid AC 35 Additional Earthing of the 38 Connecting the PV Array 38 Conditions for the DC 38 Assembling the DC Connectors 02 0 39 Opening the DC Connector seser roe t iia A A 41 Connecting the PV Array DC 42 Setting the Country Standard and Display Language 46 Checking the Country 48 Setting the Country Standard and Language using the Rotary n uh te RUBER ds 51 COMMUNICAIONG an datur Gah G 52 Interface for RS485
5. 6 Insert an insertion tool into the openings of the terminal contacts 7 Insert new varistors into the slots as shown in the drawing at right Here the labelling must point to the left i e towards the insertion tool 86 B25_30TLST_21 IAIEN121110 Installation Manual SMA Solar Technology AG Troubleshooting 8 Close and earth the inverter Attach one conical spring washer on each screw Here the grooved side of the conical spring washer must point fo the screw head Attach the upper enclosure lid to the enclosure and tighten the centre lower screw halfway Use an Allen key width across flats 4 for this Secure the upper enclosure lid in the sequence 1 to 5 torque 6 Nm Use an Allen key width across flats 4 for this The teeth of the conical spring washer are pushed into the upper enclosure lid This earths the upper enclosure lid 9 Close the lower enclosure lid and commission the inverter again see Section 8 3 Closing the Inverter page 65 Installation Manual SB25_30TLST_21 IA IEN121110 87 Decommissioning SMA Solar Technology AG 12 Decommissioning 12 1 Disassembling the Inverter 1 Disconnect the inverter and open it see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 2 Remove all communication cables from the inverter CAUTION N Risk of burns due to hot enclosure parts Wait 30 minutes for the enclosure to coo
6. Installation Manual B25_30TLST_21 IAIEN121110 7 Information on this Document SMA Solar Technology AG 1 4 Symbols Used The following types of safety precautions and general information appear in this document 1 DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a safety precaution which if not avoided could result in death or serious injury CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is NOTICE indicates a situation which if not avoided could result in property damage Information e 1 Information provides tips that are valuable for effective installation and operation of the product M This symbol indicates the result of an action Nomenclature The following nomenclature is used in this document Complete designation Abbreviation in this document Sunny Boy 2500TL Single Tracker Inverter product Sunny Boy 3000TL Single Tracker Electronic Solar Switch ESS SMA Bluetooth Wireless Technology Bluetooth 8 B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG Abbreviations Information on this Document Abbreviation Designation Explanation AC Alternating Current DC Direct Current EG European Communi
7. e Never connect more than one conductor per terminal 12 Connect L N and the protective conductor PE to the AC terminal in accordance with the label The protective conductor must be 5 mm longer than the insulated L and N conductors L and N must not be swapped CAUTION N Danger of crushing when terminals snap shut The terminals close by snapping down fast and hard Press the terminals down with your thumb do not grip the entire terminal on all sides Keep fingers away from the terminals 13 Close all terminals of the AC terminal again until they snap into place 14 Fold down the display and screw it hand tight 15 HandHighten the swivel nut firmly to the cable gland DANGER Danger to life due to high voltages in the inverter Do not switch on the miniature circuit breaker until the PV array has been connected and the inverter is securely closed 16 Attach the enclosed warning label Risk of burns from electric arc so that it is clearly visible on the load disconnect unit on the AC side Installation Manual B25_30TLST_21 IAIEN121110 37 Electrical Connection SMA Solar Technology AG 6 3 3 Additional Earthing of the Enclosure If required in the installation country you can use the earth terminal on the enclosure to connect a second protective conductor or as equipotential bonding 1 Undo screw A half way Use an Allen key width across flats 4 for thi
8. Do not expose the inverter to direct solar irradiation as this can cause excessive heating and thus power reduction e To avoid audible vibrations in living areas do not mount the unit on plasterboard walls or similar When in use the inverter emits noises which may be perceived as a nuisance in a living area e Observe the recommended minimum clearances to the walls as well as to other inverters and objects as shown in the diagram That ensures sufficient heat dissipation and gives you enough space to unplug the ESS f multiple inverters are mounted in areas with high ambient temperatures increase the clearances between the inverters and ensure an adequate fresh air supply This prevents a reduction in inverter power as a result of high temperatures details on temperature derating can be found in the Technical Information Temperature Derating at www SMA de en A fan is available as an accessory for connection to the inverter see Section 14 Accessories page 98 26 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Mounting 5 3 Mounting the Inverter Supplementary mounting material not included in the scope of delivery 3 screws diameter at least 6 mm 3 wall plugs 3 washers external diameter at least 18 mm 1 Use the wall mounting bracket as a drilling template and mark the positions of the drill holes Number of drill holes to use When mounting onto the wall use at leas
9. NOTICE Electrostatic discharge can damage the inverter Components on the inside of the inverter may be irreparably damaged due to electrostatic discharge e Earth yourself before touching any components 4 Remove all varistors If you do not receive an insertion tool for operating the terminals with your replacement varistors contact SMA Solar Technology AG 5 Usea multimeter to check each varistor for a conductive connection between terminals 2 and 3 B25_30TLST_21 IAIEN121110 Installation Manual 85 Troubleshooting SMA Solar Technology AG Result There is a conductive connection Measure The varistor is functional There is a different error in the inverter Contact the SMA Service Line see Section 15 Contact page 99 M There is no conductive connection The respective varistor is defective and must be replaced Varistor failure is generally due to influences that affect all varistors in a similar manner temperature age induced overvoltage SMA Solar Technology AG recommends replacing all varistors The varistors are specially manvfactured for use in the inverter and are not commercially available You must order replacement varistors directly from SMA Solar Technology AG see Section 14 Accessories page 98 Only use original varistors that are sold by SMA Solar Technology AC For the replacement of the varistors proceed to step 6
10. PV Inverter SUNNY BOY 2500TL Single Tracker SUNNY BOY 3000TL Single Tracker Installation Manual B25_30TLST_214A1EN121110 IMEN SBTLST 21 Version 1 0 Gn SMA Solar Technology AG Table of Contents Table of Contents 1 1 1 1 2 1 3 1 4 2 2 1 2 2 2 3 3 4 4 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 5 5 1 5 2 5 3 Information on this 7 sani REDDE 7 ce ie s Vere pnta er eq de s ed ia 7 Additional Information 7 Symbols Usati ses tt vtto eus ut eo Ux aa A 8 Satefy sess dp RE eR ne Dc Re s 10 Intended 10 Qualification of Skilled Persons 11 Safety 12 Scope of 14 Product Description 15 SUNNY BOY cites aede a od dq a e es d 15 Symbols on the 16 Type Label a be tetdi adios 17 mette opu a esie su A 19 Electronic Solar 22 Comm nicatio ise eee n o M eol a ederet bene 23 Multi Function 23 Grid 24 VOUSIONS sura cu eke hata Ramet E ddr dta o O ETES 24 MOUNTING 25
11. Troubleshooting SMA Solar Technology AG 11 3 Error Messages m No display if DC voltage is insufficient e 1 Measurements can only be made and messages displayed when there is sufficient DC voltage The text line on the display shows the relevant messages whenever an error occurs The event numbers for the displayed error messages will appear in the text line If the error persists for a prolonged period the red LED lights and the fault indicator is activated if connected In addition depending on the type of the disturbance the spanner or telephone receiver symbol on the display will light up e Spanner Signifies a disturbance that can be remedied on site Telephone receiver Signifies a device disturbance Contact the SMA Service Line Event no Message Cause and corrective measures 101 103 Grid fault The line voltage has exceeded the permissible range This error can have the following causes line voltage at the termination point of the inverter is too high The grid impedance at the termination point of the inverter is too high The inverter disconnects from the electricity grid for safety reasons Corrective measures e Check the line voltage and grid connection on the inverter IF the line voltage is outside the permissible range due to local grid conditions ask your network operator if the voltage can be adjusted at the feed in point or if it would be acceptable to change
12. e Check whether there is a general power failure 901 PE conn missing The PE connection is missing Half of the line voltage may be Check connection present the unearthed enclosure The inverter does not connect to the electricity grid Corrective measures e Check AC installation e Connect the PE cable to the AC terminal see Section 6 3 2 Connecting the Inverter to the Electricity Grid AC page 35 1001 L swapped Land N are interchanged The inverter does not connect to the Check connection _ electricity grid Corrective measures e Correct the connection see Section 6 3 2 Connecting the Inverter to the Electricity Grid AC page 35 1101 Installation fault A second line conductor is connected to N Check connection Corrective measures e Correct the connection see Section 6 3 2 Connecting the Inverter to the Electricity Grid AC page 35 3301 Unstable operation There is not enough power at the DC input of the inverter for 3303 stable operation This may be caused by snow on the PV modules or insufficient sunlight The inverter interrupts feed in operation Corrective measures Wait for more irradiation Ifthis event recurs at medium irradiation check the PV plant design and ensure that the circuitry of the PV array is correct Installation Manual SB25_30TLST_21 IAIEN121110 75 Troubleshooting SMA Solar Technology AG Event no Message C
13. XXxw Sin XXXVA XX XX Hz ins OCA cos overexci ied underexcied ES IP54 max xx Kg Saf lte 88 protection C A A Position Designation Explanation A Date Manufacturing date of the inverter year month day B Device specific characteristics Additional information Field for additional information e g country specific standard information D Serial No Inverter serial number E Model Device type The information on the type label is intended to help you use the inverter safely and receive better customer support from the SMA Service Line The type label must be permanently attached to the inverter Installation Manual SB25_30TLST_21 IA IEN121110 17 Product Description Symbols on the Type Label SMA Solar Technology AG Symbol Designation Danger to life due to high voltages Explanation The inverter operates at high voltages All work on the inverter must be carried out by skilled workers only Risk of burns from hot surfaces A The inverter can become hot during operation Avoid contact during operation Allow the inverter to cool down sufficiently before carrying out any work Wear personal protective equipment such as safety gloves Read the documentation Observe all documentation that is supplied with the inverter Without transformer X The inverte
14. the help of a communication product 6 5 2 Setting the Country Standard and Language using the Rotary Switch l Disconnect the inverter and open it see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 DANGER Danger to life due to high voltages in the event of grid failure If you set the inverter to stand alone grid operation Off Grid 50 Hz Off Grid 60 Hz you are not allowed to operate the inverter on the electricity grid but only on the stand alone grid because the inverter does not satisfy any country specific standards and guidelines in this setting If there is an electricity grid failure this prevents danger of backfeed 1 the inverter is set to Off Grid 50 Hz or Off Grid 60 Hz never operate the inverter directly on the electricity grid Installation Manual SB25_30TLST_21 IA IEN121110 51 Electrical Connection SMA Solar Technology AG 2 Set the arrows on both rotary switches A and B to the required positions using a screwdriver see table in Section 6 5 1 Checking the Country Standard page 48 To do this use a screwdriver with a blade width of 2 5 mm e Temporarily setting the display language 1 to English You can also temporarily set the display language to English by means of a switch e g for service purposes The inverter s parameter settings are not changed in the process e Push the left switch 1 up until it locks into place Use an object with a s
15. E Mail info SMA de 2004 to 2012 SMA Solar Technology AG All rights reserved Installation Manual B25_30TLST_21 IA IEN121110 103 SMA Solar Technology SMA Solar Technology AG www SMA de SMA America LLC www SMA America com SMA Technology Australia Pty Ltd www SMA Australia com au SMA Benelux SPRL www SMA Benelux com SMA Beijing Commercial Co Ltd www SMA China com SMA Czech Republic s r o www SMA Czech com SMA France S A S www SMA France com SMA Hellas AE www SMA Hellas com SMA Ib rica Tecnolog a Solar S L www SMA lberica com SMA Italia S r l www SMA ltalia com SMA Technology Korea Co Ltd www SMA Korea com
16. F RE FIN 4gg5 HZ shown in the display of the inverter The frequency limit is increased successively until the disconnection threshold is reached and the inverter disconnects from the electricity grid Once the inverter has disconnected from the electricity grid the display successively shows each of the following values for 10 seconds e Disconnection value 1 D 5200 HZ 2 58G6LIR CON 50 00 HZ V Calibration value 1 VALORE D 49 70 HZ 2 TARATURA HS 10 HZ Reaction time 1 TERPS 1085 2 INTERVENTO 0 085 The change between the first and second display takes place every 2 5 seconds 7 3 3 Aborting the Self Test If during the self test an unexpected disconnection requirement occurs the self test is aborted The same applies if the DC voltage is so low that feed in cannot be continued inverter then shows the adjacent display AUTOTEST INTERROTTO I 1 P 1 message for 10 seconds e Restart the self test see Section 7 3 4 Restarting the Self Test page 60 7 3 4 Restarting the Self Test In order to restart the self test proceed as follows l Disconnect the miniature circuitbreaker and secure against accidental or inadvertent re connection 2 multifunction relay is connected disconnect its supply voltage Disconnect the ESS from the inverter for 5 minutes and connect it again or switch off the DC switch disconnector for 5 minutes and
17. M The DC connectors click audibly into position 5 Ensure that all DC connectors are securely in place 6 Close the lower enclosure lid again using the 6 screws Tighten the screws 2 Nm torque in the order shown on the right 44 SB25 3OTLST 21 A IEN121110 Installation Manual SMA Solar Technology AG Electrical Connection 7 Ifan ESS is used check it for wear as described Section 9 3 Checking the Electronic Solar Switch for Wear page 68 and reattach it firmly NOTICE ESS damage 755 If it is not connected correctly ESS can be damaged e Plug the handle firmly onto the jack of the ESS The handle must be flush with the enclosure Make sure that the ESS is securely attached to on the inverter e Currents in DC cabling After connecting the ESS or switching on the DC switch disconnector DC currents may occur in the DC cabling even when there is no AC side supply This is not an error but normal behaviour of the inverter when in operation M The PV array is connected You can now commission the inverter see Section 7 Commissioning page 54 Other connection options are optional see Section 6 6 Communication page 52 Installation Manual SB25_30TLST_21 IA IEN121110 45 Electrical Connection SMA Solar Technology AG 6 5 Setting the Country Standard and Display Language The inverter can be configured for various countr
18. according to IEC 62103 94 B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG 13 3 Protective Devices Technical Data DC reverse polarity protection Short circuit diode Input side load disconnect unit Electronic Solar Switch DC overvoltage protection Thermally monitored varistors AC short circuit current capability Current control Grid monitoring SMA Grid Guard 3 Maximum permissible fuse protection 25A Earth fault monitoring Insulation monitoring Riso gt 625 All pole sensitive residual current monitoring unit Available optional 13 4 Approvals National standard status 03 12 SB 2500TLST 21 SB 3000TLST 21 VDE 0126 1 1 C10 C11 PPDS UTE C15 712 1 PPC EN 50438 RD 1699 RD 661 2007 G83 1 1 G59 2 VDE AR N 4105 lt lt lt Oo lt lt lt lt lt lt lt O In planning stage C10 11 05 2009 Only possible when the phase voltage is 230 V EN 50438 Does not apply to all country standard deviations of EN 50438 RD 1669 and RD 661 2007 Contact the SMA Service line for restrictions in specific regions Installation Manual SB25_30TLST_21 IAIEN121110 95 Technical Data SMA Solar Technology AG 13 5 Climatic Conditions According to IEC 60721 3 4 installation type C class
19. at AC power frequency 60 Hz 55 Hz 65 Hz Displacement power factor adjustable O 8 overaxcited ss OS underexcited Feed in phases 92 B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG Technical Data Connection phases Overvoltage category as per IEC 60664 1 Depending on country setting Efficiency Maximum efficiency Nmax 97 0 European weighted efficiency ney 95 8 13 1 2 Sunny Boy 3000TL Single Tracker DC Input Maximum DC power at cos 1 3 200 W Maximum input voltage 750 V MPP voltage range 213 V 500 V Rated input voltage 400 V Minimum input voltage 125V Start input voltage 150 V Maximum input current 15A Maximum input current per string 15A Number of independent MPP inputs 1 Strings per MPP input 2 The maximum open circuit voltage that can occur with 10 C cell temperature must not exceed the maximum input voltage AC Output Rated power at 230 V 50 Hz 3 000 W Maximum apparent AC power 3 000 VA Rated grid voltage 230V AC nominal voltage 220V 230V 240V AC voltage range 180 V 280 V Nominal AC current at 220 V 13 6 A Nominal AC current at 230 V 13 1 A Nominal AC current at 240 V 125A Maximum output current 14 6A Total harmonic factor of the output current at lt 4 AC total harmonic factor lt 2 AC power gt 0 5 nomi
20. be clear See Section 11 Troubleshooting page 70 for possible event messages which may be displayed in the text line and their meaning Showing display messages again 1 If you want to view the display messages of the start phase again whilst in normal operation double4ap the display Installation Manual SB25_30TLST_21 IA IEN121110 55 Commissioning SMA Solar Technology AG 7 3 Self test in Accordance with ENEL Guideline Only for Italy 7 3 1 Starting the Self Test You can start the self test by tapping on the lower enclosure lid The country setting of the inverter must be set to Italy Enel GUIDA or a reconfiguration based on the Enel GUIDA country data set before the self test has been carried out In addition an undisturbed feed in operation must be possible r Display language during the self test peo Independent of the configured language the display messages for the self test will always be displayed in Italian Proceed as follows for checking the disconnection times 1 Commission the inverter see Section 7 Commissioning page 54 The inverter is now in the start phase Firstly the firmware version of the internal processors appears in the text line After 5 seconds or after you tap the lower enclosure lid the serial number or the designation of the inverter appears The designation of the inverter can be changed with a communication product After a further 5 seconds or when you ta
21. communication products Confirmation of whether or not a multifunction relay is used e Mounting location SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany www SMA de SMA Service Line Inverters 49 561 9522 1499 Communication 49 561 9522 2499 Fax 49 561 9522 4699 E Mail ServiceLine SMA de Installation Manual S B25_30TLST_21 IA IEN121110 99 SMA Solar Technology AG Legal Restrictions The information contained in this document is the property of SMA Solar Technology AG Publishing its content either partially or in full requires the written permission of SMA Solar Technology AG Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission SMA Factory Warranty The current warranty conditions come enclosed with your device These are also available online at www SMA de and can be downloaded or are available on paper from the usual sales channels if required Trademarks All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product or brand is not a registered trademark The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by SMA Solar Technology AG is under licence SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de
22. fluctuations and this error occurs as a result ask your network operator if it would be acceptable to change the operating parameters Discuss the proposed parameters with the SMA Service Line 601 Grid fault The internal monitoring function of the inverter has detected an excessively high proportion of direct current in the line current The inverter disconnects from the electricity grid Corrective measures e Check the grid connection for direct current Ifthis event occurs often check with the network operator whether it is possible to raise the limiting value for monitoring 701 Frq not permitted The power frequency is outside the permissible range The inverter disconnects from the electricity grid for safety reasons Corrective measures If possible check the power frequency and observe how often major fluctuations occur If there are frequent fluctuations and this error occurs as a result ask your network operator if it would be acceptable to change the operating parameters Discuss the proposed parameters with the SMA Service Line 74 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Troubleshooting Event no Message Cause and corrective measures 801 Waiting for grid There is no line voltage at inverter s AC output voltage Corrective measures Grid failure Check the fuse and replace it if necessary Check fuse e Check AC installation
23. lock mm Storage of the key 1 Keep the key in a safe place in case it is needed for service purposes Installation Manual SB25_30TLST_21 IA IEN121110 29 Electrical Connection SMA Solar Technology AG 6 Electrical Connection 6 1 Safety NOTICE Electrostatic discharge can damage the inverter Internal components of the inverter can be irreparably damaged by electrostatic discharge Earth yourself before touching any components 6 2 Overview of the Connection Area The following figure shows the inverter s connection area with the lower enclosure lid open A B C N go f T MS P 9 A I Position Description DC connectors for connecting the strings Jack for connecting the ESS Plug for connecting the optional multi function relay or additional fan kit Plug for optional communication via RS485 Terminal for the AC cable Cable gland 12 mm 21 mm for routing the AC cable nm mogo wo 30 B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG Electrical Connection Position Description G Enclosure opening for connecting the optional multi function relay or additional fan kit or optional communication via R 485 H Switch for temporarily changing the display language to English for service purposes Rotary switch for configuring
24. symbol on the display illuminates this may be for one of the following reasons e cooling fins on the rear side of the enclosure are clogged with dirt Clean the cooling fins with a soft brush e The air ducts at the top are clogged with dirt Clean the air ducts with a soft brush Installation Manual S B25_30TLST_21 IA IEN121110 67 Maintenance and Cleaning SMA Solar Technology AG 9 3 Checking the Electronic Solar Switch for Wear Check the ESS for wear before plugging it in Result Measure M The metal tongues inside the plugare 1 handle of the ESS securely in the jack on not damaged or discoloured the bottom of the enclosure 2 Commission the inverter again see Section 7 Commissioning page 54 M The metal tongues inside the plug The ESS can no longer safely disconnect the DC side have a brown discolouration or are 1 Replace the ESS handle before attaching it again burned out Order the new ESS handle through the SMA Service Line see Section 15 Contact page 99 2 After replacing the ESS commission the inverter again see Section 7 Commissioning page 54 68 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Slot for SD Card 10 Slot for SD Card The SD card is used to read in files for instance if after consulting the SMA Service Line you need to perform a firmware update SMA Solar Technology AG will send you a file w
25. the self test in accordance with Enel GUIDA see Section 7 3 Self test in Accordance with ENEL Guideline Only for Italy page 56 Inst code valid The SMA Grid Guard code entered is valid The configured country data set is now unlocked and can be changed If it is a Grid Guard protected country data set the unlocking is valid for a maximum of 10 feed in hours No new update SDcard There is no update file relevant for this inverter on the SD card or the available update has already been carried out Grid param unchanged The selected switch setting is not programmed or there is no country data set available on the SD card Parameters set successfully A new country data set has been configured SD card is read The inverter is currently reading the SD card Set parameter The inverter is setting the configured parameters Update completed The inverter has successfully completed the update Update Bluetooth The inverter is updating the Bluetooth component Update main CPU The inverter is updating the inverter component Update communication The inverter is updating the communication component Update RS4851 module The inverter is updating the communication interface Upd language table The inverter is updating the language table Update file OK The update file found is valid Installation Manual B25_30TLST_21 IAIEN121110 71
26. the test sequence the voltage limit applied is RE Basny shown in the display of the inverter The voltage limit is reduced successively until the disconnection threshold is reached and the inverter disconnects from the electricity grid Once the inverter has disconnected from the electricity grid the display successively shows each of the following values for 10 seconds e Disconnection value 1 VALORE p 2 SOGLIR CON 235 07 e Calibration value 1 VALORE N 21551 2 TARATURA Bg ibuv e Reaction time 1 TEMPO 1085 2 INTERVENTO 085 The change between the first and second display takes place every 2 5 seconds Installation Manual SB25_30TLST_21 IA IEN121110 57 Commissioning SMA Solar Technology AG Undervoltage Test The undervoltage test follows the overvoltage test and the RUTOTEST V RE PIN rj inverter shows the adjacent display message for 5 seconds During the test sequence the voltage limit applied is fU RE 22101 shown in the display of the inverter The voltage limit is increased successively until the disconnection threshold is reached and the inverter disconnects from the electricity grid Once the inverter has disconnected from the electricity grid the display successively shows each of the following values for 10 seconds e Disconnection value 1 URLBRE D BS Calibration value 1 VALORE 0
27. then switch it on again B Commission the inverter again see Section 7 Commissioning page 54 V inverter is now in the start phase and you can restart self test see Section 7 3 1 Starting the Self Test page 56 from step 3 60 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Opening and Closing 8 Opening and Closing 8 1 Safety DANGER Danger to life due to high voltages in the inverter Before opening the inverter observe the following Disconnect miniature circuit breaker and secure against accidental or inadvertent re connection If a multifunction relay is connected disconnect its supply voltage and ensure that the device cannot be inadvertently or accidentally reconnected DANGER Danger to life due to electric shock If the DC connectors are pulled out without first disconnecting the ESS or switching off the DC switch disconnector a dangerous electric arc can occur Disconnect the ESS or switch off the DC switch disconnector first Open the lower enclosure lid and remove the DC connectors NOTICE Electrostatic discharge can damage the inverter The internal components of the inverter can be irreparably damaged by electrostatic discharge Earth yourself before touching any components Installation Manual B25_30TLST_21 IA IEN121110 61 Opening and Closing SMA Solar Technology AG 8 2 Disconnecti
28. 4K4H Extended temperature range 25 C 60 C Extended humidity range 0 100 Extended air pressure range 79 5 kPa 106 kPa According to IEC 60721 3 2 transport type E class 2K3 Temperature range 25 C 70 C 13 6 Features DC connection SUNCLIX DC connector AC connection Spring clamp terminal Display LC graphic display Bluetooth As standard RS485 galvanically isolated Optional Multifunction relay Optional Electronic Solar Switch Optional 13 7 Electronic Solar Switch Electrical endurance in the event of a short circuit with a nominal current of 35 A at least 50 switching processes Maximum switching current 35A Maximum switching voltage 800 V Maximum PV power 12kw Degree of protection when plugged IP65 Degree of protection when unplugged IP21 13 8 Torques Upper enclosure lid screws 6 0 Nm Lower enclosure lid screws 2 0 Nm Additional earth terminal 6 0 Nm SUNCLIX swivel nut 2 0 Nm RS485 interface fastening screw 1 5 Nm Multifunction relay fastening screw 1 5 Nm 96 B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG 13 9 Earthing Systems Technical Data TN C Suitable TN S Suitable TN C S Suitable TT if 15V Suitable 13 10 Data Storage Capacity Daily energy yield performance 63 days Daily yi
29. Bluetooth communication K Enclosure opening for optional communication via RS485 L Rotary switches for setting the country standard and display language M Enclosure opening for connecting the optional multi function relay or additional fan kit N Slot for SD card Earth terminal for additional earthing of the inverter P Enclosure opening for installing a fan available as an additional fan kit optional Installation Manual B25_30TLST_21 IAIEN121110 31 Electrical Connection SMA Solar Technology AG 6 3 Connection to the Electricity Grid AC 6 3 1 Conditions for the AC Connection e Comply with the connection requirements of your network operator Residual current protective device The inverter is equipped with an integrated all pole sensitive residual current monitoring unit The inverter can automatically differentiate between residual currents and normal leading leakage currents If the network operator stipulates a residual current protective device you must use a residual current protective device that triggers in the event of a residual current of 100 mA or more Further information on the use of a residual current protective device can be found in the Technical Information Criteria for Selecting an RCD at www SMA de en Cable design Use Sunny Design version 2 0 or higher to dimension the conductor cross section see Sunny Design design program at www SMA de en Cable requirements Objec
30. Hz Czech No Flexible E 0 OftGrid 50 Hz English No Flexible E 1 OffGrid 50 Hz German No Flexible 2 OffGrid 50 Hz French No Flexible 3 OffGrid 50 Hz Spanish No Flexible 50 B25_30TLST_21 IA IEN121110 Installation Manua SMA Solar Technology AG Electrical Connection A B Country data set Display language Guard Country protection A Off Grid 50 Hz Italian No Flexible 5 OffGrid 50 Hz Greek No Flexible 6 Off Grid 50 Hz Czech No Flexible a Setting in accordance with VDE AR N 4105 for PV plants lt 3 68 kVA Germany b Setting in accordance with VDE AR N 4105 for PV plants gt 3 68 kVA and lt 13 8 kVA Germany c Setting in accordance with VDE AR N 4105 for PV plants gt 13 8 kVA Germany d Special setting for France Bluetooth transmission power reduced in accordance with French requirements it Planned IF the inverter is not set to the installation country there are several ways of configuring the required country standard e Setting via the 2 rotary switches see Section 6 5 2 Setting the Country Standard and Language using the Rotary Switch page 51 Alternatively you can conduct the settings via the CntrySet or Set country standard parameters with a communication product once you have commissioned the inverter f you require adjusted parameter settings for your installation site you can change these with
31. Troubleshooting SMA Solar Technology AG 11 6 Checking the Function of the Varistors If the inverter displays the event number 7401 then one of the varistors is probably defective Varistors are wear parts Their functional efficiency diminishes with age or following repeated responses as a result of overvoltages It is therefore possible that one of the thermally monitored varistors has lost its protective function NOTICE N Destruction of the inverter due to overvoltage V If varistors are missing or defective the inverter is no longer protected against overvoltages Do not operate the inverter without varistors in PV plants with a high risk of overvoltages e Functional replacement varistors should be obtained as soon as possible Check the varistors as described below l Disconnect the inverter and open it see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 DANGER Danger to life due to high voltages in the inverter The capacitors in the inverter may be charged with very high voltages Wait 5 minutes before opening the enclosure lid in order to allow time for the capacitors to discharge 2 Undo the screws of the upper enclosure lid Use an Allen key width across flats 4 for this 84 B25_30TLST_21 IAIEN121110 Installation Manual SMA Solar Technology AG Troubleshooting 3 Pull the upper enclosure lid forwards to remove it
32. across flats 3 for this 6 Check that the country setting of the inverter is correct by using the supplementary sheet provided with the default settings If the inverter is not set to the desired country standard then adjust the country standard see Section 6 5 2 Setting the Country Standard and Language using the Rotary Switch page 51 Installation Manual SB25_30TLST_21 IA IEN121110 35 Electrical Connection SMA Solar Technology AG 7 For easy connection loosen the display screw until the display can be raised 8 Flip up the display until it clicks into place 9 Undo the swivel nut of the AC cable gland and remove the filler plug from the cable gland Seal in the AC cable gland There is a two part seal in the cable gland Remove the internal insert if necessary e g to lay a thicker cable The following guideline values apply mie e Core cross section with seal and insert 12 mm 16 mm Core cross section with seal only and without insert 15 21 mm 10 Pull the cable through 11 Raise all 3 terminals of the AC terminal as far as they will go 36 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Electrical Connection NOTICE IN Risk of fire when connecting 2 conductors to a single terminal If 2 conductors are connected to one terminal a poor electrical contact can result in overheating or a risk of fire
33. al Connection 6 4 2 Assembling the DC Connectors Prior to inverter connection all PV display module connection cables must be equipped with the DC connectors supplied Assemble the DC connectors as follows Ensure the connectors have the correct polarity The n DC connectors are marked with the symbols Cable requirements 2 5 6mm 5 8 mm e Use a PV1 F cable Procedure 1 Lead the stripped cable all the way into the DC connector 2 Press the clamping bracket down until it audibly snaps into place 2 3 Ensure that the cable is correctly positioned Result Measure M Ifthe stranded wire is visible in the chamber Proceed to step 4 of the clamping bracket the cable is correctly positioned Installation Manual SB25_30TLST_21 IA IEN121110 39 Electrical Connection SMA Solar Technology AG Result M Ifthe stranded wire is not visible in the chamber the cable is not correctly positioned Measure e Release the clamping bracket To do so insert a 3 5 mm screwdriver into the clamping bracket and lever it open Remove the cable and go back to step 1 4 Push swivel nut up to the thread and tighten torque 2 Nm 40 B25_30TLST_21 IAIEN121110 Installation Manual SMA Solar Technology AG Electrical Connection 6 4 3 Opening the DC Connector 1 Unscrew the swivel nut 2 release th
34. alid values e Ensure change rights via SMA Grid Guard code 7106 Update file defect The update file is defective The update failed The inverter continues feeding into the electricity grid Corrective measures Redormat the SD card e Resave the files to the SD card 7110 No update file No new update file was found on the SD card The update found failed The inverter continues feeding into the electricity grid Corrective measures the update file into the SD card drive UPDATE directory 7201 Data stor not poss Internal device fault the inverter continues feeding into the 7202 electricity grid Corrective measures fthis fault occurs often contact the SMA Service Line see Section 15 Contact page 99 7303 Update main CPU Internal device fault The inverter continues feeding into the failed electricity grid In very rare cases the firmware is damaged and the inverter interrupts feed in Corrective measures e Contact the SMA Service Line see Section 15 Contact page 99 7305 Update 54851 Internal device fault the inverter continues feeding into the module failed electricity grid 7307 Update Bluetooth Corrective measures failed e Rertry update a Ifthis fault occurs again contact the SMA Service Line see SORTS Section 15 Contact page 99 7401 Varistor defective least one of the thermally monitored varistors is defective The inverter is no longer protected agains
35. ar Technology AG Electrical Connection SMA Grid Guard Protected Country Data Sets In some countries the local connection conditions demand a mechanism which prevents the parameters for the feed in from being changed Therefore certain country data sets are protected against unauthorised changes They can only be unlocked with a personal access code the SMA Grid Guard code SMA Grid Guard protected country data sets are automatically blocked for 10 feed in hours after commissioning or after the last alteration If the country data set is changed after these 10 feed in hours the inverter does not accept the changes and displays the error message Grid param locked If however a later change to the country data set only relates to a change of the display language via the rotary switches in the inverter this change is immediately applied It is also possible to set country data sets parameter CntrySet or Set country standard and to lock or unlock these manually via a communication product To lock a data set enter the digit sequence 54321 instead of the password into the SMA Grid Guard code field The data set can only be unlocked by entering a personal 10 digit SMA Grid Guard code which is valid for a maximum of 10 feed in hours The application form for the personal access code is available at www SMA de en in the Certificate category of the respective inverter The language can be configured without a password regardless
36. ar Technology AG for this product Only use the Sunny Boy in accordance with the information provided in the enclosed documentation Any other use can result in personal injury or property damage Do not mount the inverter on flammable construction materials Do not mount the inverter in areas where highly flammable materials are stored Do not mount the inverter in a potentially explosive atmosphere 10 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Safety The enclosed documentation is an integral part of this product Read and adhere to the documentation Keep the documentation in a convenient place for future reference 2 2 Qualification of Skilled Persons The tasks described in this document are intended for skilled persons only Skilled persons must have the following qualifications Knowledge of how an inverter works and is operated Training in how to deal with the dangers and risks associated with installing and using electrical devices and plants Training in the installation and commissioning of electrical devices and plants Knowledge of all applicable standards and guidelines Knowledge of and adherence to this document and all safety precautions Installation Manual S B25_30TLST_21 IA IEN121110 11 Safety SMA Solar Technology AG 2 3 Safety Precautions DANGER Danger to life due to high voltages in the inverter High voltages that can result in electric shocks are pr
37. ation location at that time Alternatively send it back to SMA Solar Technology AG with shipping paid by sender and labelled ZUR ENTSORGUNG for disposal for contact see Page 99 Installation Manual B25_30TLST_21 IA IEN121110 91 Technical Data SMA Solar Technology AG 13 Technical Data 13 1 DC AC 13 1 1 Sunny Boy 2500TL Single Tracker DC Input Maximum DC power at cos 1 2 650 W Maximum input voltage 750V MPP voltage range 180 V 500 V Rated input voltage 400 V Minimum input voltage 125V Start input voltage 150 V Maximum input current 15A Maximum input current per string 15A Number of independent MPP inputs 1 Strings per MPP input 2 The maximum open circuit voltage that can occur with 10 C cell temperature must not exceed the maximum input voltage AC Output Rated power at 230 V 50 Hz 2 500 W Maximum apparent AC power 2 500 VA Rated grid voltage 230 V AC nominal voltage 220V 230V 240V AC voltage range 180 V 280V Nominal AC current at 220 V 114A Nominal AC current at 230 V 10 9A Nominal AC current at 240 V 10 4A Maximum output current 12 4A Total harmonic factor of the output current at lt 4 AC total harmonic factor lt 2 AC power gt 0 5 nominal AC power Rated power frequency 50 Hz AC power frequency 50 Hz 60 Hz Operating range at AC power frequency 50 Hz 45 Hz 55 Hz Operating range
38. ause and corrective measures 3401 DC overvoltage The DC input voltage connected to the inverter is too high The 3402 Disconnect inverter interrupts the feed in operation generator Corrective measures Immediately disconnect the inverter from the PV array see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 The inverter may otherwise be destroyed Check the DC voltage of the strings for adherence to the maximum input voltage of the inverter before reconnecting the inverter to the PV array If the voltage is within the permissible input voltage range the inverter may be defective Contact the SMA Service Line 3501 Insulation resist The inverter has detected an earth fault in PV array and does Check generator nof connect to the electricity grid for safety reasons The damaged insulation causes a risk of electric shock Corrective measures Check strings for earth faults see Section 11 5 Checking the PV Array for Earth Faults page 82 installer electrically skilled person of the PV array must remedy the earth faults before you re connect the affected string 3601 High leakage curr The leakage current from the inverter and the PV array is too Check generator high This can be caused by a sudden earth fault a residual current or a malfunction The inverter interrupts feed in operation immediately after exceeding a limiting value and then automatically reconnects to the e
39. by tapping the display twice and viewing the display messages of the startup phase again or Check that the country standard is correct using the SMA grid guard measuring channel via a communication product Display language mie Once you have set the country standard you can always set the display language later using rotary switch B However you have to then set rotary switch A to O in order to keep the country data set The settings of each country data set are specified in the operating parameters The parameters can be read out using a communication product The description of the operating parameters is available at www SMA de en in the category Technical Description of the respective inverter A B Country data set Display language Grid Guard Country protection O O Default settings Default settings Dependent on Dependent on parameter set parameter set O l Retained English Dependent on Dependent on parameter set parameter set O 2 Retained German Dependent on Dependent on parameter set parameter set O 3 Retained French Dependent on Dependent on parameter set parameter set O 4 Retained Spanish Dependent on Dependent on parameter set parameter set O 5 Retained Italian Dependent on Dependent on parameter set parameter set 6 Retained Greek Dependent on Dependent on parameter set parameter set O 7 Retained Czech Dependent on Dependent on paramet
40. commissioning SMA Solar Technology AG Attach the upper enclosure lid to the enclosure and tighten the centre lower screw halfway Use an Allen key width across flats 4 for this Secure the upper enclosure lid in the sequence 1 to 5 torque 6 Nm Use an Allen key width across flats 4 for this V The teeth of the conical spring washer are pushed into the upper enclosure lid This earths the upper enclosure lid Mount the replacement device see Section 5 Mounting page 25 Connect the replacement device see Section 6 Electrical Connection page 30 Commission the replacement device see Section 7 Commissioning page 54 Now mount the two transport lids of the replacement device onto the defective inverter You can now send the defective inverter back to SMA Solar Technology AG 90 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Decommissioning 12 3 Packing the Inverter e If available use the original packaging of the inverter Ifthe original packaging is not available use a cardboard box suitable for the weight and size of the inverter 12 4 Storing the Inverter Store the inverter in a dry place where ambient temperatures are always between 25 C and 60 C 12 5 Disposing of the Inverter Dispose of the inverter at the end of its service life in accordance with the disposal regulations for electronic waste which apply at the install
41. ction 15 Contact page 99 7001 Sensor fault A temperature sensor in the inverter is faulty The inverter 7002 interrupts the feed in operation Corrective measures e Contact the SMA Service Line see Section 15 Contact page 99 7008 Disturbance sensor The ambient temperature sensor is faulty The display is not display switched off at temperatures under 25 C and as a result may temperature have been irreparably damaged The inverter continues feeding into the electricity grid Corrective measures Contact the SMA Service Line see Section 15 Contact page 99 7101 SD card defective The SD card is not formatted correctly or is defective The update failed The inverter continues feeding into the electricity grid Corrective measures e Reformat the SD card Resave the files to the SD card 7102 Parameter file not The parameter file was not found or is defective The update found or defective failed The inverter continues feeding into the electricity grid Corrective measures Copy the parameter file into the SD card drive PARASET directory 78 S B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG Troubleshooting Event no Message Cause and corrective measures 7105 Param setting Operating parameters cannot be set via the SD card The failed inverter continues feeding into the electricity grid Corrective measures e Check the operating parameters for v
42. disconnects from the electricity grid to assure compliance with the power quality Corrective measures e Check the line voltage at the termination point of the inverter If due to local grid conditions the line voltage exceeds the configured limiting value ask the network operator whether the voltage can be adjusted at the feed in point or whether it would be acceptable to modify the limiting value for power quality monitoring If the line voltage is continually within the tolerance range and this error is still displayed contact the SMA Service Line Installation Manual B25_30TLST_21 IAIEN121110 73 Troubleshooting SMA Solar Technology AG Event no Message Cause and corrective measures 401 404 Grid fault The inverter is no longer in grid parallel operation and has stopped feed in operation for safety reasons Corrective measures Check the grid connection for strong short term frequency variations If there are repeated frequent fluctuations and this error occurs as a result ask your network operator if it would be acceptable to change the operating parameters Discuss the proposed parameters with the SMA Service Line 501 Grid fault The power frequency is not within the permissible range The inverter disconnects from the electricity grid for safety reasons Corrective measures f possible check the power frequency and observe how often major fluctuations occur If there are frequent
43. e DC connector Insert a 3 5 mm screwdriver into the snap slot on the side and lever it open JZ 3 Carefully pull the DC connector apart 4 Release the clamping bracket To do so insert a 3 5 mm screwdriver into the clamping bracket and lever it open 5 Remove the cable ORS Installation Manual SB25_30TLST_21 IA IEN121110 41 Electrical Connection SMA Solar Technology AG 6 4 4 Connecting the PV Array DC DANGER Danger to life due to high voltages in the inverter Before connecting the PV array switch off the miniature circuitbreaker and make sure that it cannot be reconnected NOTICE N Excessive voltages can destroy the measuring device n Only use measuring devices with a DC input voltage range up to at least 1 000 V 1 Check the connection cable of the PV modules for correct polarity and make sure that the maximum input voltage of the inverter is not exceeded At an ambient temperature above 10 C the opencircuit voltage of the PV modules must not be more than 90 of the maximum inverter input voltage Otherwise check the plant design and the PV module circuitry At lower ambient temperatures the maximum input voltage of the inverter could otherwise be exceeded NOTICE IN Destruction of the inverter due to overvoltage If the voltage of the PV modules exceeds the maximum input voltage of the inverter it can be destroyed by the overvoltage This will void all wa
44. e inverter from the AC and DC side before starting work on the PV array Attach the warning label Risk of burns from electric arc so that it is clearly visible on the external AC disconnection device You must install a separate miniature circuit breaker for each inverter in order to ensure that the inverter can be securely disconnected under load For the maximum permissible fuse protection see Section 13 Technical Data page 92 For detailed information and examples of miniature circuitbreaker design see the Technical Information Miniature Circuit Breaker at www SMA de en DANGER Danger to life due to fire When more than one inverter is connected in parallel to the same miniature circuit breaker the protective function of the miniature circuitbreaker is no longer guaranteed It can result in a cable fire or destruction of the inverter e Never connect multiple inverters to the same miniature circuit breaker Observe the maximum permissible fuse protection of the inverter when selecting the miniature circuit breaker Installation Manual S B25_30TLST_21 IA IEN121110 33 Electrical Connection SMA Solar Technology AG DANGER Danger to life due to fire When a generator inverter and a load are connected to the same miniature circuitbreaker the protective function of the miniature circuitbreaker is no longer guaranteed The current from the inverter and the electricity grid can accumulate to overcurrents wh
45. e is present check the installation Installation Manual SB25_30TLST_21 IA IEN121110 63 64 Opening and Closing SMA Solar Technology AG 11 Loosen the screw on the display and flip the display up until it clicks into place 12 Verify the absence of voltage in the multi function relay to the protective conductor at all terminals The maximum diameter of the test probe is 2 mm M If voltage is present check the installation M The inverter is open and no voltage is present B25_30TLST_21 IAIEN121110 Installation Manual SMA Solar Technology AG Opening and Closing 8 3 Closing the Inverter 1 Check the DC connectors for correct polarity and connect them to the inverter M The DC connectors click audibly into position For details on how to release the DC connectors see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 2 Close all the DC inputs that are not needed to seal the inverter see Section 6 4 4 Connecting the PV Array DC page 42 3 Ensure that all DC connectors are securely in place DANGER Danger to life due to electric shock When the inverter is operated without the lower enclosure lid the DC connectors can be disconnected while under load which can cause arcing Insert the ESS only when the lower enclosure lid is closed Only operate the inverter when the lower enclosure lid is closed so tha
46. easured voltages are stable and the sum of the voltages from the positive terminal to the earth potential and from the negative terminal to the earth potential of a string is approximately equal to the voltage between the positive and negative terminals Result Measure You have found an earth fault installer electrically skilled person of the PV array must remedy the earth fault in the affected string before you reconnect the string to the inverter The illustration below shows how to determine the location of the earth fault Do not reconnect the faulty string Commission the inverter again see Section 7 1 Commissioning the Inverter page 54 M You have not found an earth fault One of the thermally monitored varistors is probably defective e Checkthe function of the varistors see Section 11 6 Checking the Function of the Varistors page 84 Location of the earth fault The approximate position of the earth fault can be determined from the ratio of the measured voltages between the positive terminal against earth potential PE and the negative terminal against earth potential PE Example V 200V V 300V ecd EDS IRR 100 V 100 V F 100 V 100 V 100 V In this case the earth fault is between the second and third PV module M The earth fault check is now complete Installation Manual SB25_30TLST_21 IA IEN121110 83
47. elds 30 years Event messages for users 250 events Event messages for installers 250 events Installation Manual B25_30TLST_21 IAIEN121110 97 Accessories SMA Solar Technology AG 14 Accessories You will find the corresponding accessories and spare parts for your product in the following overview If required you can order them at SMA Solar Technology AG or your specialised dealer Designation Brief description SMA order number Replacement varistors Set of thermally monitored varistors MSWR TV9 Electronic Solar Switch ESS handle spare part Order the new ESS handle via the SMA Service Line see Section 15 Contact page 99 Multifunction relay Multi function relay for retrofitting in PV MFRO1 10 inverters RS485 retrofit kit RS485 interface DM 485CB 10 SUNCLIX DC connector Field plug for conductor cross sections of SUNCLIX FC6 SET 2 5 mm 6 mm Additional fan kit Fan for installation in the inverter FANKITO1 10 98 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Contact 15 Contact If you have technical problems concerning our products please contact the SMA Service Line We require the following information in order to provide you with the necessary assistance e Inverter device type e Inverter serial number and number of the PV modules connected e 4digit event number and display message of the inverter Optional equipment e g
48. er set parameter set 48 SB25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG Electrical Connection A B Country data set Display language Grid Guard Country protection O 8 Retained Korean Dependent on Dependent on parameter set parameter set O 9 Retained Portuguese Dependent on Dependent on parameter set parameter set O JA Retained Dutch Dependent on Dependent on parameter set parameter set O Retained Slovenian Dependent on Dependent on parameter set parameter set O Retained Bulgarian Dependent on Dependent on parameter set parameter set O D Retained Polish Dependent on Dependent on parameter set parameter set 0 26 1 1 Switzerland 1 2 VDEARN4105 German Yes Germany 1 4 VDEARNA105 MPP German Yes Germany 1 6 VDEARNA105 HP German Yes Germany 1 8 VDEOI26 1 1 French Yes Switzerland France 9 vbEO126 1 1 UTE9 French Yes France 2 0 VDEO126 1 1 Italian Yes Switzerland 4 0 RD1699 Spanish Yes Spain 4 l RD1663 661 A Spanish Yes Spain 4 8 PPC Greek No Greece 4 9 PPC English No Greece 5 8 G83 1 1 English No England 5 G59 2 English No England 6 0 EN50438 German Yes Various EU countries 6 1 EN50438 English Yes Various EU countries 6 2 EN50438 French Yes Various EU countries 6 3 EN50438 Italia
49. er to protect the PV plant from unauthorised access If you do not communicate via Bluetooth deactivate Bluetooth communication see 6 6 2 Setting the Bluetooth NetID page 53 This protects your PV plant from unauthorised access m e Various parameter displays Depending on the type of communication RS485 or Bluetooth the parameters and messages are displayed differently on the communication products Example parameter display for the country standard e For communication with RS485 CntrySet parameter e communication with Bluetooth Set country standard parameter 4 7 Multi Function Relay The inverter may be equipped with a multifunction relay The multifunction relay is an interface for error messages or for controlling loads Disturbances can be transmitted to a disturbance sensor For this purpose the multifunction relay switches the disturbance sensor on and off The multi function relay can control a load via a contactor For this purpose the inverter determines when the load is switched on and off depending on the operating parameters and measured values You can configure the multi function relay for various operating modes see Technical Description Multifunctional relay and OptiTrac Global Peak available at www SMA de en Installation Manual SB25_30TLST_21 IA IEN121110 23 Product Description SMA Solar Technology AG 4 8 Grid Management The inverter is equipped with grid management functions Y
50. esent in the conductive components of the inverter Prior to performing any work on the inverter disconnect the inverter on the AC and DC sides see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 DANGER Risk of burns due to electric arc To prevent arcing when disconnecting cables in the PV array the ESS and DC connectors must be removed from the inverter or the external DC switch disconnector must be switched off and the DC connectors must be removed from the inverter before performing any work on the PV array e Before starting work on the PV array always disconnect the inverter from the AC DC side see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 Attach the enclosed warning label Risk of burns from electric arc so that it is clearly visible on the external AC disconnection device WARNING N Risk of electric shock when pulling out the DC connectors under load If you disconnect the DC connectors from the inverter under load an electric arc may occur causing electric shock and burns If the inverter is not equipped with an Electronic Solar Switch and the regulations in the country of installation require an external DC switch disconnector install an external DC switch disconnector e Switch off the AC miniature circuitbreaker and disconnect the inverter on the DC side before pulling out the DC connectors CAUTION Risk of burns due t
51. est see Section 7 3 Self test in Accordance with ENEL Guideline Only for Italy page 56 The test takes approx 3 minutes 3 If connected switch on the multifunction relay supply voltage 4 For communication via Bluetooth make the following settings 54 Change the plant time see the manual of the communication product Change the passwords see the manual of the communication product SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Commissioning 7 2 Display Messages during the Start Phase Illustrated display messages e 1 The display messages illustrated in this section serve as examples and depending on the country setting may differ from the display messages of your inverter e Firstly the firmware version of the internal PACK processors appears in the text line e After 5 seconds or after tapping on the display the SH serial number or the description of the inverter and the NET ID for communication via Bluetooth will appear The designation of the inverter can be changed with a communication product After a further 5 seconds or after a further tap the configured country standard is displayed example VDE AR N4105 MP After a further 5 seconds or after a further tap the configured language is displayed example Sprache Deutsch Language German During normal operation the text line of the display will
52. ich are not detected by the miniature circuit breaker e Never connect loads between the inverter and the miniature circuitbreaker without fuse protection Always protect loads separately NOTICE o Damage to the inverter by using screw type fuses as a load disconnect unit A screw type fuse e g DIAZED fuse or NEOZED fuse is not a switch disconnector and thus may not be used as a load disconnect unit A screw type fuse only acts as cable protection When disconnecting under load using a screw type fuse the inverter may be damaged e Use only a switch disconnector or a miniature circuit breaker as a load disconnect unit 34 B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG Electrical Connection 6 3 2 Connecting the Inverter to the Electricity Grid AC 1 Make sure that the line voltage lies within the permissible voltage range The exact operating range of the inverter is specified in the operating parameters The corresponding documents are available in the download area at www SMA de en in the Technical Description category of the respective inverter 2 Shut down the circuit breaker and secure it to prevent reactivation If an external DC switch disconnector is used disconnect it If an ESS is used remove the ESS Jj J a 5 Loosen all six captive screws and remove the lower enclosure lid Use an Allen key width
53. ies This can be done prior to commissioning via 2 rotary switches on the display or after commissioning by configuring the CntrySet or Set country standard parameter using a communication product e g Sunny WebBox or Sunny Explorer For devices ordered without any specified country of installation the default country data set is VDE AR NA 105 HP and the display language is set to German Both rotary switches are set to O upon delivery If you have ordered the inverter with specific country settings they will have already been preset at the factory via a communication product In this case you will not be able to recognise the current setting by the switch position If changes are made via the rotary switches or via a communication product the default grid parameters are overwritten They cannot be restored and must be re entered via a communication product The display language can be changed at any time using the rotary switches independent of the grid parameters This means that the default grid parameters remain unchanged but the display messages are shown in the set language Changes will be accepted immediately after switching the miniature circuit breaker on If an unprogrammed switch setting is selected the inverter displays an error message The last valid setting is retained 46 B25_30TLST_21 IA IEN121110 Installation Manual SMA Sol
54. inues feeding into the 8803 electricity grid This error can have the following causes e ambient temperature is so low that the display disconnects to protect inverter cannot identify the display type e display is connected or the connection is defective Corrective measures Wait until the temperature has risen above 25 C e Contact the SMA Service Line see Section 15 Contact page 99 9002 Inst code invalid The SMA Grid Guard code entered personal installer password is not valid Corrective measures nter a valid SMA Grid Guard code 80 SB25 3OTLST 21 IA IEN121110 Installation Manua SMA Solar Technology AG Troubleshooting Event no 9003 Message Grid param locked Cause and corrective measures The current country data set is locked Corrective measures e Enter a valid SMA Grid Guard code for changing the country data set ry 9005 Changing grid param not possible This error can have the following causes selected rotary switch setting for the language settings is not programmed Ensure DC supply parameters to be changed are protected DC voltage at the DC input is not sufficient to run the main CPU Corrective measures e Check the rotary switch setting see Section 6 5 1 Checking the Country Standard page 48 Enter the SMA Grid Guard code Ensure sufficient DC voltage is available green LED is g
55. is Internal device fault The inverter interrupts the feed in operation 6438 Interference device Corrective measures e Contact the SMA Service Line see Section 15 Contact page 99 6501 Self diagnosis The inverter interrupts the feed in operation due to excessive 6502 Overtemperature internal temperature Corrective measures Ensure sufficient ventilation e Check heat dissipation see Section 9 2 Checking Heat Dissipation page 67 6603 Self diagnosis The inverter has detected an internal overload and interrupts the 6604 Overload feedin operation Corrective measures e Contact the SMA Service Line see Section 15 Contact page 99 Installation Manual B25_30TLST_21 IAIEN121110 77 Troubleshooting SMA Solar Technology AG Event no Message Cause and corrective measures 6701 Comm disturbed A fault has occurred in the internal communication of the 6702 inverter The inverter continues feeding into the electricity grid Corrective measures If this event occurs frequently e Contact the SMA Service Line see Section 15 Contact page 99 6801 Self diagnosis Inverter input A is defective 6802 Input A defective Corrective measures e Contact the SMA Service Line see Section 15 Contact page 99 6901 Self diagnosis Inverter input B is defective 6902 Input B defective Corrective measures e Contact the SMA Service Line see Se
56. ith the firmware update by e mail or on an SD card or will make the file available in the download area at www SMA de en For a description of the firmware update see the download area at www SMA de en Properties of SD card 1 Use an SD card that is FAT16 or FAT32 formatted and has a maximum storage capacity of2GB Use the SD card exclusively for this inverter Do not save any multimedia files or other unsuitable files on the SD card Installation Manual SB25_30TLST_21 IA IEN121110 69 Troubleshooting 11 Troubleshooting 11 1 LED Signals SMA Solar Technology AG Position Designation Status Explanation A Green LED Glowing Operation Flashing Grid connection conditions are not yet met B Red LED Glowing Error Blue LED Glowing Bluetooth communication is activated Flashing The inverter has been identified via Sunny Explorer by setting the Find device parameter 70 B25_30TLST_21 IAIEN121110 Installation Manual SMA Solar Technology AG 11 2 Event Messages Troubleshooting No display if DC voltage is insufficient e 1 Measurements can only be made and messages displayed when there is sufficient DC voltage During an update the relevant display message is shown in the text line of the display Message Avvio Autotest Description Only relevant for an installation in Italy tapping on the display starts
57. l down before disassembling 3 If necessary remove the padlock 4 Remove the inverter by lifting it upwards off the wall mounting bracket 12 2 Replacing the Enclosure Lid In the event of a fault your inverter may need to be replaced If this is the case you will receive a replacement device fitted with an upper and lower transport lid Prior to returning your inverter to SMA Solar Technology AG you must replace the upper and lower enclosure lids of your inverter with the corresponding transport lids Disassemble the inverter see Section 12 1 Disassembling the Inverter page 88 1 DANGER Danger to life due to high voltages in the inverter The capacitors in the inverter may be charged with very high voltages Wait 5 minutes before opening the enclosure cover in order to allow time for the capacitors to discharge 88 B25_30TLST_21 IAIEN121110 Installation Manual SMA Solar Technology AG Decommissioning 2 Undo the screws of the upper enclosure lid Use an Allen key width across flats 4 for this 3 Pull the upper enclosure lid forwards to remove it 4 Remove the two transport lids from the replacement device in the same manner 5 Close and earth the replacement device Attach one conical spring washer on each screw Here the grooved side of the conical spring washer must point fo the screw head 3 o Installation Manual SB25_30TLST_21 IA IEN121110 89 De
58. lectricity grid once the fault has been remedied Corrective measures e Check strings for earth faults see Section 11 5 Checking the PV Array for Earth Faults page 82 installer electrically skilled person of the PV array must remedy the earth faults before you re connect the affected string 76 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Troubleshooting Event no Message Cause and corrective measures 3701 Resid curr too high The inverter has detected residual current and interrupts the feed Check generator in operation Corrective measures e Check strings for earth faults see Section 11 5 Checking the PV Array for Earth Faults page 82 The installer electrically skilled person of the PV array must remedy the earth faults before you re connect the affected string 3801 DC overcurrent The inverter switches off due to an overcurrent on the DC side 3802 Check generator Corrective measures If this event occurs frequently e Check the design and the circuitry of the PV array 3901 Waiting for DC The input power or the voltage of the PV modules is insufficient 3902 start conditions for feeding into the electricity grid Start cond not met Corrective measures Wait for more irradiation f this event recurs at medium irradiation check the PV plant design and correct the circuitry of the PV array 6001 Self diagnos
59. lowing or flashing Installation Manual SB25_30TLST_21 IAIEN121110 81 Troubleshooting SMA Solar Technology AG 11 4 DC Current after AC side Disconnection In spite of the AC side having been disconnected a current is still detectable in the DC cables with a current clamp This is not an error but normal behaviour of the inverter when in operation e Always disconnect the inverter on the AC and DC sides see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 11 5 Checking the PV Array for Earth Faults If the red LED is glowing and the inverter displays event number 3501 3601 or 3701 then there is probably an earth fault in the PV array Check the strings for earth faults as described below 1 Disconnect the inverter and open it see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 Notice o E Excessive voltages can destroy the measuring device e Only use measuring devices with a DC input voltage range up to at least 1 000 V 2 Measure the voltages between the positive terminal of each string and the earth potential PE 3 Measure the voltages between the negative terminal of each string and the earth potential PE 4 Measure the voltages between the positive and negative terminals of each string 82 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Troubleshooting An earth fault exists if the m
60. mall tip e g a ballpoint pen to do this e reset the display language to the original language push the left switch 1 back down until it locks into place 3 Close the inverter see Section 8 3 Closing the Inverter page 65 6 6 Communication 6 6 1 Interface for RS485 Communication If you have ordered an inverter with an interface for wired communication the interface is installed upon delivery You can also subsequently order an interface for wired communication see Section 14 Accessories page 98 You will find a detailed illustration of the wiring principle and the description for the subsequent installation in the communication interface retrofit kit 52 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Electrical Connection 6 6 2 Setting the Bluetooth NetID Communication via Bluetooth with a communication product is activated as standard Networking via Bluetooth with other inverters is deactivated as standard The following configuration settings are possible via a rotary switch switch C Switch position Setting NetID 0 Bluetooth communication is deactivated Communication via Bluetooth is activated using a communication product and networking with other inverters is deactivated default setting 2 F Networking via Bluetooth with other inverters is activated In order to restrict communication via Bluetooth between the inverters of your PV
61. mmissioning the Inverter 1 The following conditions must be fulfilled before commissioning Correct mounting see Section 5 3 Correct country setting see Section 6 5 1 AC cable is correctly connected electricity grid Protective conductor is correctly connected see Section 6 3 3 DC cables PV strings are completely connected Unused DC inputs are closed using the corresponding DC connectors and sealing plugs All enclosure openings are closed The enclosure lid is securely screwed into place An external DC switch disconnector is connected or if applicable the ESS is firmly in place The AC distribution board is correctly installed The miniature circuit breaker is correctly sized 2 Switch on the miniature circuit breaker M Green LED is lit commissioning was successful or M Green LED flashes in case of insufficient irradiation grid connection conditions have not yet or been reached Wait for sufficient irradiation M Red LED is lit a disturbance has occurred Locate and eliminate the fault see Section i J 11 Troubleshooting page 70 Self test in accordance with ENEL guideline during initial start up only for Italy The Italian standard prescribes that an inverter can only operate on the electricity grid after the disconnection times for overvoltage undervoltage minimum frequency and maximum frequency have been checked If you have configured the Enel GUIDA country data set start the self t
62. n Yes Various EU countries 6 4 EN50438 Spanish Yes Various EU countries Installation Manual B25_30TLST_21 IAIEN121110 49 Electrical Connection SMA Solar Technology AG B Country data set Display language Grid Guard Country protection 6 5 EN50438 Greek Yes Various EU countries 6 6 EN50438 Czech Yes Various EU countries 6 7 EN50438 Portuguese Yes Various EU countries 6 8 EN50438 Bulgarian Yes Various EU countries 6 9 EN50438 Polish Yes Various EU countries 7 0 EN50438 CZ Czech Yes Czech Republic 7 1 JEN50438 CZ English Yes Czech Republic 7 2 EN50438 CZ German Yes Czech Republic 7 4 PPDS Czech Yes Czech Republic 7 5 PPDS English Yes Czech Republic 7 6 PPDS German Yes Czech Republic 7 8 C10 11 French Yes Belgium 7 9 C10 11 English Yes Belgium 7 10 11 German Yes Belgium C O Customer English No Flexible C l Customer German No Flexible C 2 Customer French No Flexible 3 Spanish No Flexible 4 Customer Italian No Flexible 5 Customer Greek No Flexible 6 Customer Czech No Flexible D O OftGrid 60 Hz English No Flexible D 1 OffGrid 60 Hz German No Flexible D 2 OffGrid 60 Hz French No Flexible 3 OffGrid 60 Hz Spanish No Flexible D 4 OffGrid 60 Hz Italian No Flexible 5 OffGrid 60 Hz Greek No Flexible D 6 OffGrid 60
63. nal AC power Rated power frequency 50 Hz AC power frequency 50 Hz 60 Hz Installation Manual B25_30TLST_21 IAIEN121110 93 Technical Data SMA Solar Technology AG Operating range at AC power frequency 50 Hz 45 Hz 55 Hz Operating range at AC power frequency 60 Hz 55 Hz 65 Hz Displacement power factor adjustable Q 8 eras cited yon O Feed in phases 1 Connection phases Overvoltage category as per IEC 60664 1 Depending on country setting Efficiency Maximum efficiency Nmax 97 0 European weighted efficiency ney 96 1 13 2 General Data Width x height x depth 490 mm x 488 mm x 185 mm without Electronic Solar Switch Width x height x depth 490 mm x 519 mm x 185 mm with Electronic Solar Switch Weight 23 kg Length x width x height of packaging 597 mm x 617 mm x 266 mm Transport weight 26 kg Climatic category as per IEC 60721 2 1 Operating temperature range 25 60 C Maximum permissible value for relative humidity 100 non condensing Maximum operating altitude above Mean Sea 2 000 Level Noise emission typical lt 25 dB A Power loss in night operation lt 1W to IEC 60529 Topology Transformerless Cooling concept Convection Degree of protection for electronics according to IP65 IEC 60529 Connection area degree of protection according IP54 Protection class
64. ng the Inverter from Voltage Sources 1 Disconnect the miniature circuitbreaker and secure against accidental or inadvertent re connection 2 If a multifunction relay is connected disconnect its supply voltage and ensure that the device cannot be unintentionally or inadvertently reconnected 3 If an external DC switch disconnector is used disconnect it 4 Ifan ESS is in use disconnect the ESS 5 Loosen all six captive screws and remove the lower enclosure lid Use an Allen key width across flats 3 for this 6 Use a current clamp to make sure all DC cables are current free If current is present check the installation 62 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Opening and Closing 7 Release and disconnect all DC connectors do this insert a flat blade screwdriver blade width 3 5 mm into one of the side slots and pull the DC connectors straight out DO NOT PULL ON THE CABLE while doing this Wait until the LEDs display and if applicable fault indicator have gone out Verify the absence of voltage between Land Nat the AC terminal using a suitable measuring device The maximum diameter of the test probe is 2 mm If voltage is present check the installation Verify that no voltage is present between Land PE at the AC terminal using a suitable measuring device LN PE If voltag
65. o hot enclosure parts Some parts of the enclosure can become hot during operation e Only touch the lower enclosure lid of the inverter during operation 12 B25_30TLST_21 IAIEN121110 Installation Manual SMA Solar Technology AG Safety Water and dust intrusion can damage the inverter NOTICE If the inverter is not equipped with an ESS the electronics in the inverter comply with degree of protection IP65 when closed If the inverter is equipped with an ESS the electronics in the inverter comply with degree of protection IP65 when closed with the ESS attached The inverter is then protected against dust and water intrusion The inverter s connection area complies with degree of protection IP54 It is protected against dust deposits in the interior and against splashes of water from all angles If the ESS is not attached the inverter must be protected against dust and water Attach the ESS again after any work on the inverter PV array earthing Comply with local regulations for the earthing of the modules and the PV array SMA Solar Technology AG recommends connecting the array frame and other electrically conductive surfaces so that there is continuous conduction and earthing them in order to ensure maximum protection for property and persons Installation Manual SB25_30TLST_21 IA IEN121110 13 Scope of Delivery SMA Solar Technology AG 3 Scope of Delivery Check the delivery f
66. of the country data set Changing parameters in SMA Grid Guard protected country data sets e 1 If the parameters within protected country data sets are changed these are no longer protected and instead of the standard ADJ or Special setting is displayed In this case a change to parameters is not locked automatically after 10 feed in hours but has to be locked manually To manually lock the parameters set the SMA Grid Guard code to 54321 Further information on parameter settings 1 For detailed information on making adjustments and changing parameters see the corresponding user manual for your communication product The last change executed via rotary switch or communication product is always verified and activated if applicable Consequently the switch position may not necessarily show the actual country setting Installation Manual SB25_30TLST_21 IA IEN121110 47 Electrical Connection SMA Solar Technology AG 6 5 1 Checking the Country Standard Make sure that the inverter is set to the installation country Before commissioning Check that the country standard of the inverter is correct using the supplementary sheet provided and compare this to the default settings of the inverter After commissioning Check that the country standard is correct on the basis of the display message during re commissioning see Section 7 Commissioning page 54 e Check whether the country standard is correct
67. or completeness and any externally visible damage Contact your dealer if the delivery is incomplete or you find any damage A E 9 om 5 Quantity Description Sunny Boy Wall mounting bracket Positive DC connector Negative DC connector Sealing plugs for the DC connectors Installation manual User manual Document set with explanations and certificates Supplementary sheet with inverter default settings Al Z OQ 2 2 4 Warning label Risk of burns from electric arc for the disconnection device on the AC side 14 B25_30TLST_21 IAIEN121110 Installation Manual SMA Solar Technology AG Product Description 4 Product Description 4 1 Sunny Boy The Sunny Boy is a PV inverter which converts the direct current of the PV array to grid compliant alternating current and feeds it into the electricity grid Position Designation Type label LEDs Display Electronic Solar Switch Lower enclosure lid gt Upper enclosure lid optional Installation Manual SB25_30TLST_21 IA IEN121110 15 Product Description 4 2 Symbols on the Inverter SMA Solar Technology AG Symbol Designation Explanation Inverter This symbol defines the function of the green LED The green LED indicates the operating state of the inverter Read
68. ored Do not mount the inverter in a potentially explosive atmosphere CAUTION N Risk of burns due to hot enclosure parts Mount the inverter in such a way that it cannot be touched inadvertently during operation CAUTION N Risk of injury due to the heavy weight of the inverter For mounting remember that the inverter weighs 23 kg 5 2 Selecting the Mounting Location Consider the following requirements when selecting the mounting location mounting location must be inaccessible to children mounting method and location must be suitable for the inverter s weight and dimensions see Section 13 Technical Data page 92 Mount on a solid surface mounting location must be clear and safely accessible at all times without the use of additional aids such as scaffolding or lifting platforms Non fulfillment of these criteria may restrict the execution of service assignments Installation Manual B25_30TLST_21 IAIEN121110 25 Mounting SMA Solar Technology AG EZ e Mount vertically or tilted backwards by max 15 connection area must point downwards e Never mount the device with a forward tilt e Never mount the device with a sideways tilt Do not mount horizontally Mount at eye level so that operating states can be read at all times ambient temperature should be below 40 C to ensure optimum operation
69. ou can activate and configure the functions via operating parameters depending on the requirements of the network operator e g provision of reactive power active power limitation For detailed information on the parameters of these functions see the Technical Descriptions Measured Values Operating Parameters and Event Messages and Parameter Settings SUNNY BOY 2500TL 3000TL Single Tracker SUNNY BOY 3000TL 3600TL 4000TL 5000 at www SMA de en in the Technical Description category for the respective inverter 4 9 Varistors Varistors are voltage dependent resistors that protect the inverter against overvoltage The inverter is equipped with 2 thermally monitored varistors The function of the varistors can diminish with age or repeated strain as a result of overvoltage This can cause varistor wear The inverter detects if one of the varistors is defective and indicates a disturbance The varistors are specially manufactured for use in the inverter and are not commercially available You must order new varistors directly from SMA Solar Technology AG 24 S B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG Mounting 5 Mounting 5 1 Safety DANGER Danger to life due to fire or explosions Despite careful construction electrical devices can cause fires Do not mount the inverter on flammable construction materials Do not mount the inverter in areas where highly flammable materials are st
70. p ENEL BUIBR again the configured standard is displayed 2 In order to start the self test tap once on the lower enclosure lid within 10 seconds M The display message on the right is shown RUVIG RUTOTEST 1 3 Now activate the self test within 20 seconds by tapping on the lower enclosure lid again M Once you have started the test sequence the inverter consecutively checks the disconnection times for overvoltage undervoltage maximum frequency and minimum frequency During the tests the inverter shows the values in the display which are described in Section 7 3 2 Test Sequence page 57 56 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Commissioning 7 3 2 Test Sequence Note the values which are displayed during the test sequence These values must be entered into a test report The test results of the individual tests are displayed 3 times one after the other During the test sequence the inverter will not react to tapping When the inverter has carried out the 4 tests it switches to normal operation The original calibration values are reset Current values in the display e 1 During the self test the current voltage the feed in current and the frequency are displayed above the text line independently of the test values Overvoltage Test The inverter starts with the overvoltage test and shows the RUTOTEST U RE FEX adjacent display message for 5 seconds During
71. plant and those of neighbouring systems you can assign an individual NetID to the inverters of your PV plant switch position 2 F However this is only necessary if neighbouring plants are within a radius of 500 m So that all inverters in your PV plant are detected by your communication product all inverters must have the same NetID 1 Disconnect the inverter and open it see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 2 Set the arrow on the rotary switch C to the required position using a screwdriver Use a 2 5 mm screwdriver for this purpose 3 Close the inverter see Section 8 3 Closing the Inverter page 65 A Acceptance of settings 1 The Bluetooth settings will only be applied when the inverter is commissioned 6 6 3 Multi Function Relay If you have ordered an inverter with a multi function relay the multifunction relay is installed upon delivery You can subsequently order a multi function relay for order number see Section 14 Accessories page 98 The description of the installation and the electrical connection can be found in the installation manual of the multi function relay You can find detailed information on the configuration of the multifunction relay in the Technical Description Multifunctional relay and OptiTrac Global Peak at www SMA de en B25_30TLST_21 IAIEN121110 53 Installation Manual Commissioning SMA Solar Technology AG 7 Commissioning 7 1 Co
72. r is transformerless DC DC Direct current AC AC NG Alternating current Degree of protection IP54 IP54 The inverter is protected against dust deposits in the interior and against splashes of water from all angles Outdoor The inverter is suitable for outdoor installation Proper disposal The inverter must not be disposed of together with the household waste CE marking The inverter complies with the requirements of the applicable EC directives Device class label The product is equipped with a wireless component that complies with the harmonised standards RAL quality mark for solar The inverter complies with the requirements of the products German Institute for Quality Assurance and Sol 7 Labelling Certified safety The inverter complies with the requirements of the European Equipment and Product Safety Act 18 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Product Description Designation Australian mark of conformity Explanation The inverter complies with the requirements of the applicable Australian guidelines 4 4 Display The display shows the current operating data of the inverter e g status power input voltage as well as faults and disturbances Position Designation Explanation A Power Displays
73. rranty claims Do not connect strings with an open circuit voltage greater than the maximum input voltage of the inverter e Check the plant design 2 Check strings for earth faults see Section 11 5 Checking the PV Array for Earth Faults page 82 DANGER Danger to life due to electric shock Do not connect any strings in which earth faults are present e Before connecting the DC cable rectify the earth fault in the respective string 42 B25_30TLST_21 IAIEN121110 Installation Manual SMA Solar Technology AG Electrical Connection 4 Check the DC connectors for correct polarity and connect them The DC connectors click audibly into position For details on how to release the DC connectors see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 If you do not need all DC inputs on the inverter seal the enclosure with DC connectors and sealing plugs Sealing plugs Do not insert the sealing plugs directly into the DC inputs on the inverter For unused DC connectors push down the clamping bracket and push the swivel nut up to the thread Insert the sealing plug into the DC connectors Tighten the swivel nut torque 2 Nm Installation Manual SB25_30TLST_21 IA IEN121110 43 Electrical Connection SMA Solar Technology AG Insert the DC connectors with sealing plugs into the corresponding DC inputs on the inverter
74. s Insert the stripped earthing cable D under the clamping bracket C maximum conductor cross section 10 mm Fasten terminal C Attach conical spring washer on the screw Here the grooved side of the conical spring washer must point to the screw head Tighten the screw torque 6 Nm Use an Allen key width across flats 4 for this The teeth of the conical spring washer are pushed into the clamping bracket The conductive earthing cable is conductively connected to the enclosure 6 4 Connecting the PV Array DC 6 4 1 Conditions for the DC connection Use of Y adaptors e 1 Y adaptors must not be visible or freely accessible within close proximity of the inverter 38 The DC circuit must not be interrupted by Y adaptors Observe the procedure for disconnecting the inverter see Section 8 2 Disconnecting the Inverter from Voltage Sources page 62 Requirements for the PV modules of the connected strings Same type Same quantity of PV modules connected in series Identical alignment Identical tilt The connection cables of the PV modules must be equipped with connectors The DC connectors for the DC connection are included in the delivery The following limiting values at the DC input of the inverter must not be exceeded Maximum input voltage Maximum input current 750 V DC 15 0 A DC SB25 3OTLST 21 IA IEN121110 Installation Manua SMA Solar Technology AG Electric
75. s in succession the firmware version the serial number or description of the inverter the Bluetooth NetlD the set country standard and the display language Telephone receiver Device disturbance present Contact the SMA Service Line Spanner Signifies a disturbance that can be resolved on site Bluetooth Bluetooth communication is enabled Bluetooth connection Bluetooth connection to other devices is active Multi function relay The multi function relay is active Temperature symbol The power of the inverter is limited due to excessive temperature Power limitation The external active power limitation via the Power Reducer Box is active PV array 20 B25_30TLST_21 IAIEN121110 Installation Manual SMA Solar Technology AG Product Description Symbol Designation Explanation Inverter Grid relay If the grid relay is closed the inverter feeds power into A4 the grid If the grid relay is open the inverter is disconnected from the electricity grid Electricity grid Installation Manual B25_30TLST_21 IAIEN121110 21 SMA Solar Technology AG Product Description 4 5 Electronic Solar Switch The ESS is an optional DC load disconnect unit The ESS prevents electric arcs from forming when you remove the DC connector B Position Designation Explanation A Plug B Safety precautions Never operate the inverter wi
76. t 2 of the horizontal holes and the lower centre hole Use the two holes in the centre when mounting the device to a pillar 133 mm 98 mm 175 mm B25_30TLST_21 IAJIEN121110 Installation Manual 27 Mounting SMA Solar Technology AG Drill the holes Attach the wall mounting bracket using appropriate screws diameter min 6 mm and washers outer diameter min 18 mm 4 Carry the inverter using the recessed grips on the sides 5 Hook the inverter into the wall mounting bracket from above 6 Check both sides of the inverter to make sure it is correctly in place 28 S B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG Mounting Optional Theft Protection To protect the inverter from theft you can lock it to the wall mounting bracket with a padlock The padlock must meet the following requirements AG Size A 6 mm 8 mm diameter B B 23 mm 29 mm c mE C 23 mm 28 mm D 39 50 mm D e E 13 mm 18 mm Stainless 2 gt Hardened shackle Secured lock cylinder E A v E Outdoor Mounting 1 Always use a lock suitable for outdoor mounting Check the padlock on a regular basis to ensure it is working properly Route the lock shackle from the centre of the device outwards through the metal clip on the wall mounting bracket and the slot on the inverter and close the
77. t Description Value A External diameter 12 21 mm Conductor cross section Maximum 10 Stripping length Approx 12 mm 32 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Electrical Connection Connection of a Second Protective Conductor The inverter is equipped with a protective conductor monitoring function which detects a failure in the installation of the inverter if no protective conductor is installed At some supply voltage termination points it may be useful to deactivate this monitoring function To ensure safety standards equivalent to IEC 62109 the protective earth terminal must be planned in one of the following ways if this is the case Installation of the protective conductor on AC terminal with a conductor cross section of at least 10 mm Cu or e Installation of a second protective conductor on the earth terminal with the same cross section as the original protective conductor on the AC terminal see Section 6 3 3 Additional Earthing of the Enclosure page 38 In some installation countries a second protective conductor is a general requirement to prevent a contact current in the event of a malfunction in the original protective conductor You must always observe the applicable regulations in the installation country Load Disconnect Unit Attach warning labels on the load disconnect unit on AC side 1 To prevent arcing always disconnect th
78. t overvoltage The inverter continues feeding into the electricity grid Corrective measures e Check the varistors see Section 11 6 Checking the Function of the Varistors page 84 Installation Manual B25_30TLST_21 IAIEN121110 79 Troubleshooting SMA Solar Technology AG Event no Message Cause and corrective measures 7508 External fan fault The fan is contaminated or defective The inverter may reduce its Replace fan power output due to overheating The inverter continues feeding into the electricity grid Corrective measures Clean the fans Replace the fans 7701 Self diagnosis Internal device fault The inverter disconnects from the electricity 7703 Interference device grid Corrective measures e Contact the SMA Service Line see Section 15 Contact page 99 8001 Derating occurred The power supplied by the inverter has fallen below the nominal power due to excessive temperature for more than 10 minutes Corrective measures If this event occurs frequently Ensure sufficient ventilation e Check heat dissipation see Section 9 2 Checking Heat Dissipation page 67 8101 Comm disturbed A fault has occurred in the internal communication of the 8104 inverter The inverter continues feeding into the electricity grid Corrective measures e Contact the SMA Service Line see Section 15 Contact page 99 8801 No display The display is blank The inverter cont
79. t the DC connectors can be removed easily 4 Attach the lower enclosure lid to the enclosure and lock it with the 6 screws Use an Allen key width across flats 3 and tighten the screws 2 Nm torque in the order shown on the right Installation Manual B25_30TLST_21 IAIEN121110 65 Opening and Closing SMA Solar Technology AG 5 f an external DC switch disconnector is used disconnect it 6 lf an ESS is used check it for wear see Section 9 3 Checking the Electronic Solar Switch for Wear 68 and attach it firmly NOTICE The ESS can be damaged if it is not plugged in correctly e Securely connect the ESS The ESS handle must be flush with the enclosure e Check that the ESS is securely in place 7 f a multifunction relay is connected switch on the supply voltage Switch on the miniature circuitbreaker 9 Check whether the display and the LEDs indicate a normal operating state see Section 7 Commissioning page 54 M The inverter is now closed and in operation 66 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Maintenance and Cleaning 9 Maintenance and Cleaning 9 1 Cleaning the Inverter If the inverter is dirty clean the enclosure lid the display and the LEDs with clear water and a cloth only 9 2 Checking Heat Dissipation If the inverter regularly reduces its output due to excessive heat temperature
80. the This symbol defines the function of the red LED documentation which indicates a fault or disturbance Read the manual to remedy the fault or disturbance Bluetooth This symbol defines the function of the blue LED The blue LED indicates that communication via Bluetooth is activated QR Code for SMA bonus programme For information on the SMA bonus programme see www SMA Bonus com NOTICE danger Observe the connection requirements for the second protective conductor in Section 6 3 1 Conditions for the AC Connection page 32 Danger to life due to high voltages in the inverter The capacitors in the inverter may be charged with very high voltages e Disconnect the inverter from voltage sources see Section 8 2 and wait 5 minutes before opening the upper lid in order to allow time for the capacitors to discharge QR Code is a registered trademark of DENSO WAVE INCORPORATED 16 B25_30TLST_21 IA IEN121110 Installation Manual SMA Solar Technology AG Product Description 4 3 Type Label The type label provides a unique identification of the inverter The type label is on the righthand side of the enclosure SMA Solar Technology AG Em Sonn SUNNY BOY E Solar Inverter made in Germany Model C SB XXXXXXXXXXX D Serial No A 7 pPX0000000X Je lale YYYY MM DD Voc mox XXX V Voc mer XXX V XX A mox 20
81. the current power B Day Displays the daily energy Total Displays the total amount of energy fed in until now D Active functions The symbols indicate which communication or power regulation functions are enabled E Line conductor assignment Shows assignment of the inverter to a line conductor It is also used for external power limitation F Electricity grid event number Event number of a disturbance in the electricity grid G Output voltage output The display alternately shows the output voltage and current the output current of the inverter H Inverter event number Event number of a device disturbance Input voltage input current The display alternately shows the input voltage and the input current of the inverter K PV array event number Event number of a disturbance in the PV array L Text line The text line shows event messages or instructions Installation Manual B25_30TLST_21 IAIEN121110 19 Product Description SMA Solar Technology AG Position M Designation Power and yield curve Explanation The diagram shows the changes in power over the last 16 feed in hours or the energy yields over the last 16 days Tap the display once to switch between views Symbols on the Display Symbol EN Designation Tap symbol Explanation You can operate the display by tapping it Single tap the backlight switches on or the display scrolls one message further e Double tap the display show
82. the monitored operating limits If the line voltage is within the tolerance range yet this error is still displayed contact the SMA Service Line 72 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Troubleshooting Event no Message 202 205 Grid fault Cause and corrective measures The line voltage has fallen below the permissible range This error can have the following causes Electricity grid disconnected AC cable damaged line voltage at the termination point of the inverter is too low The inverter disconnects from the electricity grid for safety reasons Corrective measures e Check whether the miniature circuit breaker was triggered e Check the line voltage and grid connection on the inverter IF the line voltage is outside the permissible range due to local grid conditions ask your network operator if the voltage can be adjusted at the feed in point or if it would be acceptable to change the monitored operating limits IF the line voltage is within the tolerance range yet this error is still displayed contact the SMA Service Line 301 Grid fault The 10 minute average line voltage is no longer within the permissible range This can be caused by one of the following line voltage at the termination point of the inverter is too high The grid impedance at the termination point of the inverter is too high The inverter
83. thout the lower enclosure sticker lid in place e Observe all documentation that accompanies the inverter ESS sticker Ifthe ESS is plugged in the DC circuit remains closed To interrupt the DC circuit you must perform steps 1 and 2 il Remove the ESS El Remove all DC connectors When plugged in the ESS forms a conductive path between the PV array and the inverter Removing the ESS interrupts the electric circuit and allows you to safely disconnect the DC connectors from the inverter 22 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG Product Description 4 6 Communication The inverter is equipped with a Bluetooth interface as standard A multifunction relay and an additional communication interface e g RS485 can be retrofitted The inverter can communicate with special SMA communication products e g data logger software or other inverters via the communication interfaces You can only adjust the inverter s operating parameters using SMA communication products If you order an inverter with an additional communication interface the communication interface is built in upon delivery If you communicate via Bluetooth you can protect the inverter with a plant password for the user and a plant password for the installer All inverters are delivered with the same factory installed passwords You must change plant passwords using a communication product in ord
84. ttotubstarataratate oe aan Sci e rel 96 Earthing 97 Data Storage 97 Accessories iios 44 ARE Ee bad Ra bine Se n 98 Contact 46064 3o vu PEN AUGE RE PRESE Ear RT Rr 99 SB25 3OTLST 21 IA IEN121110 Installation Manual SMA Solar Technology AG 1 Information on this Document 1 1 Validity This document is valid for the following device types SB 2500TLST 21 SB 3000TLST 21 1 2 Target Audience Information on this Document This document is for skilled workers Only skilled workers are allowed to perform the tasks set forth in this document see Section 2 2 Qualification of Skilled Persons page 11 1 3 Additional Information Additional information is available at www SMA de en Title Miniature Circuit breaker Document type Technical information Measured Values Operating Parameters and Event Messages Technical description Parameter Settings SUNNY BOY 2500TL 3000TL Single Tracker SUNNY BOY 3000TL 3600TL 4000TL 5000TL Technical description SMA Bluetooth SMA Bluetooth Wireless Technology in Practice Technical information SMA Bluetooth Wireless Technology Technical description Multifunctional relay and OptiTrac Global Peak Technical description Module Technology Technical information Capacitive Discharge Currents Technical information
85. ty LED Light Emitting Diode MPP Maximum Power Point NetID Network Identification Identification number for SMA Bluetooth network MSL Mean Sea Level PE Protective Earth Protective conductor PV Photovoltaics AF Width Across Flats The distance between two parallel flat surfaces flats of a screw head VDE Verband der Elektrotechnik Association for Electrical Electronic Elektronik Informationstechnik e V Information Technologies Installation Manual SB25_30TLST_21 IAIEN121110 9 Safety SMA Solar Technology AG 2 Safety 2 1 Intended Use The Sunny Boy is a PV inverter which converts the direct current of the PV array to grid compliant alternating current and feeds it into the electricity grid Principle of a PV Plant with this Sunny Boy PV modules yz Sunny Boy Electricity Distribution grid E E Er The Sunny Boy is suitable for indoor and outdoor use The Sunny Boy may only be operated with PV arrays PV modules and cabling of protection class Il The PV modules used must be suitable for use with the Sunny Boy and must be released by the module manufacturer PV modules with large capacities to earth may only be used if their coupling capacity does not exceed 1 4 pF All components must remain within their operating ranges at all times For safety reasons it is not permitted to modify the product or install components that are not explicitly recommended or distributed by SMA Sol
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