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SMA SB2000-2500-3000HF

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1. 24 E 27 Setting the Country Standard and Language using the Rotary Switch 28 Installation Manual SB20HF 30HF IA IEN 12043 1 3 Table of Contents SMA Solar Technology AG 9 919 5 3 6 5 4 5 5 5 6 6 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 7 7 2 7 3 AZ 7 3 3 7 3 4 Communication via 28 Closing the Quick Module 29 Mounting the Quick Module 30 Changes via Rotary Switches after Installation of the COUIGK MOGUIG si tetto oe alates D EQUI e M SUED o eo 3 Disassembling the Quick 34 Electrical Connection 35 O 35 Overview of the Connection Area 35 Connection to the Power Distribution Grid 36 Conditions for the AC Connection 36 Connecting the Inverter to the Power Distribution Grid 38 Connecting Additional Grounding 41 Connecting the PV Array DC 42 Conditions for the DC Connection 42 Assembling the DC 43 Opening the DC 45 Connecting the PV Array DC
2. 46 49 Commissioning the Inverter 49 Display Messages During the Startup Phase 51 Self Test in Accordance with ENEL Guideline Ed 1 1 Applies to Italy 52 Starting 52 a A A ge gee aie eer 53 Abortion of the Self Test 56 Restarting the 57 Disconnecting the Inverter from Voltage Sources 58 Maintenance and 61 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Table of Contents 9 9 2 9 2 1 9 2 2 9 9 10 10 1 10 2 10 3 11 11 1 11 2 12 12 1 12 2 12 3 12 4 12 5 13 13 1 13 2 13 3 14 15 Cleaning the 61 Checking the Heat Dissipation 6 Cleaning the Fans only for SB 2500HF 30 61 Checking the Fan only for SB 2500HF 30 63 Checking the Electronic Solar Switch ESS for Wear 64 MESSAGES bs sU a AR PORE SO HR DEN Gen 65 Green LED glowing or flashing o 65 Event 65 Eror MESAJE Seeerei a o Parens 66
3. E 4 222 mm 9 65 1 90 77 ad a lo BM Pu E ee NEM NEN Ys 9 mm E E EE _ E 9 low l Y E NUUS 4 1 CNC 7 8 219 5 a Ss a Bm S SE _ A Yo 348 mm Installation Manual SB20HF 30HF IA IEN 120431 17 Assembly SMA Solar Technology AG 2 Attach the wall mounting bracket to the wall using appropriate screws diameter min 6 mm max 8 and washers outer diameter min 12 mm max 24 mm 3 Transport the inverter using the handles on the sides 4 Insert the inverter into the wall mounting bracket from above using the mounting slots SB20HF 3OHFJA IEN 120431 Installation Manual SMA Solar Technology AG Assembly 5 Check to ensure that the inverter is correctly seated 6 Use the connection elements see item M in the scope of delivery on page 13 provided to fix the pi inverter and prevent it from being lifted out of place To do this push the connection elements through the plastic flap on the bottom of the inverter and into the wa
4. 72 Checking the PV Array for Ground 72 Checking the Function of the Varistors 74 DECOMMISSIONING tarada 78 Disassembling the Inverter 78 Replacing the Enclosure Llid 79 Packing the 80 Sonno Ine EE E e iaa 80 Disposing of the 80 lechnical 81 Sunny Boy dd dore re Aa 81 SUNNY Boy 2 rta tenues 85 SUNAY BOY SOON sca sa cas 89 PXCCOSSOMGS ev vo 93 Contactar a ia REL PS 94 Installation Manual SB20HF 30HF IA IEN 12043 1 5 Table of Contents SMA Solar Technology AG 6 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Information on this Manual 1 Information on this Manual 1 1 Validity This manual describes the mounting installation commissioning maintenance and troubleshooting procedures for the following SMA inverters Sunny Boy 2000HF SB 2000HF 30 Sunny Boy 2500HF SB 2500HF 30 Sunny Boy SB Keep this manual in a convenient place for future reference 1 2 Target group This manual is for electrically qualified persons The tasks described in this manual may be performed by electrically qualified persons only 1 3 Additional Info
5. 9 150 eui jo aBub ay s eu eunsoppue y ayy SMA Solar Technology AG Table of Contents Table of Contents 1 1 1 1 2 1 3 1 4 2 2 2 2 2 3 2 3 1 2 3 2 3 3 1 32 4 4 4 2 4 3 5 5 1 3 2 9 9 5 3 5 3 2 5 3 4 Information on this 7 o ELTE 7 ias EA E CN 74 Additional Informaton sc Ep dU Ed E SS 7 Symbols AAA 8 veau d var iride tua dud 9 menaced Use CT 9 SarebInsir cil hs s EE Ep RI EE ERES RU VEA 10 Explanation of Symbols 11 Symbols on the 11 A 11 A hen ee eee Geen 13 Scope Or DEE autos ex au A san 13 Identifying the Inverter 14 Assembly asia 15 sop CTI 15 Selecting the Mounting Location 15 Mounting the Inverter with the Wall Mounting Bracket 17 The Communication Module Quick Module 21 DOME NES TREE TET 21 Interior View of the Quick 22 Configuring the inverter via the Quick Module 22 SMA Grid Guard Protected Country Data Sets 23 Checking the Country 5
6. PV Inverter SUNNY BOY 2000HF 2500HF 3000HF Installation Manual 5820 1 20431 IMEN SB20_25_30HF Version 3 1 jyBiw Aog uung e O 4HOOSZ 45 Joy 55 eu UDAJ e sequinu jue e Aog Auung ENP Jequunu 1equinu Ad 4 m CUA a MSEC ly juano Jadjno kojas juano aBoyoa hog Jayjo uoj euuoo BuiAp dsip Jo 1722222707 pe pisur som Aog Auung y eouis pejp1eueB AB1eue 6214498 V WS e i eq 0 uouoes ees 5 peipeuieJ eq e ueiepeju Ao dsip ay uo Buiddo aq up 4 9 450 jo AB1eue 10 sinoy 9 sod ayy jo Jamod Juans ZZ uoyoes ees 5 ay wo p dsip ay smoys ay Q Z uosa JO 50 uoisseoons Buiddo e xau ay uoiiMs S DP 9 150 eui eui sinoy
7. If the inverter is not set to the desired country standard then adjust the country standard using the rotary switches in the Quick Module as described in section 5 3 4 Setting the Country Standard and Language using the Rotary Switch page 28 2 Check the grid voltage and compare it with the permissible voltage range Vac see section 13 Technical Data page 81 3 Disconnect the miniature circuit breaker and secure against re connection If necessary replace the sealing ring of the threaded sleeve with the sealing ring provided Pull the sealing ring out of the threaded sleeve Insert the smaller sealing ring 5 Pass the pressure screw E over the AC cable E 38 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Electrical Connection 145 12 13 14 Thread the threaded sleeve with the sealing ring over the AC cable Bend the AC cable for the connection if necessary The bending radius must be at least four times the cable diameter Shorten the AC cable Strip approx 30 mm from the AC cable Shorten phase L and neutral conductor N 4 to 5 mm The PE protective conductor must be longer than the insulated conductors of N and L Strip 8 mm of insulation from the AC cable Insert the protective conductor PE green yellow into the screw terminal with the ground sign on the jack element and tighten the screw Insert the neutral conduct
8. anaes Disconnection value 1 VALORE 5 5005 HZ 2 50 05 HZ e Calibration value um OREM Sg Seite 1 SEI TOI 2 TARATURA 50 30 HZ e Reaction time r3 Co un Co r3 4 Lr The change between the first and second display takes places every 2 5 seconds Installation Manual SB20HF 30HF IA IEN 120431 55 Commissioning SMA Solar Technology AG Minimum frequency After the maximum frequency test the minimum frequency AUTOTEST COUTE test takes place and inverter shows adjacent display message for 5 seconds During the test sequence the frequency limit applied 15 FR J shown in the display of the inverter The frequency limit is increased successively until the shut down threshold is reached and the inverter disconnects from the power distribution grid Once the inverter has disconnected from the power distribution grid the display successively shows each of the following values one after the other for 10 seconds m _ 1 VALORE 0 _ 50 00 HZ 2 SOGLUIA CON 50 00 HZ e Calibration value VALORE n ug HZ 2 TARATURA 4970 HZ e Reaction time TEMON 1 LLLI 3 2 INTERVENTO EDBS The change between the first and second display takes places every 2 5 seconds 7 3 3 Abortion of the Self Test If during the self test an unexpected disconnection
9. 10 pcs SUNCLIX DC connector SUNCLIX field connector for SUNCLIX FC6 SET cross sections from 2 5 to 6 mm Set for 10 strings Installation Manual SB20HF 30HF IA IEN 12043 1 93 Contact SMA Solar Technology AG 15 Contact IFyou have technical problems concerning our products contact the SMA Service Line We require the following information in order to provide you with the necessary assistance Inverter type Inverter serial number Type and number of PV modules connected Event number or display message on the inverter Optional equipment e g communication products Type of multi function relay connected if applicable 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 94 SB20HF 30HF IA IEN 12043 1 Installation Manual 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 guarantee conditions come enclosed with your device These are also available online at www SMA de a
10. Troubleshooting SMA Solar Technology AG NOTICE Destruction of the inverter due to DC overvoltage If varistors are missing the inverter is no longer protected against DC overvoltages Do not operate the inverter without varistors in PV plants with a high risk of DC overvoltages e Replacement varistors should be obtained as soon as possible 5 Insert an insertion tool into the openings of the terminal contacts 1 V The terminals will loosen If you do not receive an insertion tool for operating the terminals with your replacement varistors contact SMA Solar Technology AG As an alternative the individual terminal contacts can be operated using a 3 5 mm wide screwdriver 6 Remove the varistor 2 7 Insert the new varistor 1 The pole with the small loop crimp must be fitted to terminal 1 when replacing the varistor 8 Bend new varistor upwards 2 76 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Troubleshooting 9 Reattach the enclosure lid 10 Tighten the screws 11 Recommission the inverter as described in section 7 Commissioning page 49 The check and replacement of the varistors is completed Installation Manual SB20HF 30HF IA IEN 120431 77 Decommissioning SMA Solar Technology AG 12 Decommissioning 12 1 Disassembling the Inverter 1 Disconnect the inverter from the AC and DC side as descr
11. Wait for more sunlight There is not enough power at the DC input If this event recurs at medium of the inverter for stable operation This irradiation check the PV plant design may be caused by snow on the PV and correct the connection of the PV modules array lt DC overvoltage gt Immediately disconnect the inverter from the PV array as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 The inverter may otherwise be destroyed lt Disconnect generator gt The DC input voltage connected to the inverter is too high 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 68 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG lt Insulation resist gt lt Check generator gt The inverter has detected a ground fault in the PV array However the inverter continues feeding into the grid lt Ground fuse fault gt lt Check ground fuse gt The inverter has detected a ground voltage in the grounding path lt DC overcurrent gt lt Check generator gt The inverter switches off due to an overcurrent on the DC side lt Waiting for DC start conditions gt lt Start cond not met gt The feed in power or feed in voltage of the PV modules 15 insufficient for feeding into the power distribution grid lt Wrong earthing type check earthing
12. see section 15 Contact page 94 lt Changing grid param not possible gt e Check the setting of the rotary switch see section 5 3 2 Checking the the country configuration is not Country Standard page 24 programmed e Enter the SMA Grid Guard Code The parameters to be changed are e selected rotary switch setting for protected lt Ensure DC supply gt The DC voltage for the writing e Ensure that sufficient DC voltage is procedure is not sufficient available Installation Manual SB20HF 30HF IA IEN 120431 71 Troubleshooting SMA Solar Technology AG 11 Troubleshooting 11 1 Checking the PV Array for Ground Faults If the inverter displays event number 35 and the red LED glows at the same time then there is probably a ground fault in the PV array Check the strings for ground faults as described below 1 Disconnect the inverter from the AC and DC side as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 DANGER Risk of lethal electric shock e Only touch the cables of the PV array on their insulation e Do not connect strings with ground faults to the inverter NOTICE 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 pole of each string and the ground potential PE 3 Measure the voltages between th
13. shown in the display of the inverter The voltage limit is increased successively until the shut down threshold is reached and the inverter disconnects from the power distribution grid Once the inverter has disconnected from the power distribution grid the display successively shows each of the following values one after the other for 10 seconds e Disconnection value HEN ADE n j33ni l VALURE LI 2 506LIR CON 2320y libration val 1 VALORE DI BV 2 TARATURA e Reaction time TEMON ENS eue 1 0 15 5 2 INTERVENTO 0 155 The change between the first and second display takes places every 2 5 seconds 54 SB20HF 3OHFJA IEN 120431 Installation Manual SMA Solar Technology AG Maximum frequency Commissioning The maximum frequency test follows the undervoltage test RUTBTEST and the inverter issues the adjacent display message for 5 seconds During the test sequence the frequency limit applied is REMAX shown in the display of the inverter The frequency limit is reduced successively until the shut down threshold is reached and the inverter disconnects from the power distribution grid Once the inverter has disconnected from the power distribution grid the display successively shows each of the following values one after the other for 10 seconds e
14. 1 German yes Germany VDEARNATOSA Germany LL Bd s j o vbEI26li pe 2 5 194777 slo o 4 yes Switzerland France id 4 c e 5 e ho _ 5 o eN50438 Vorious E _ me e s e e ens043 je 7 o ensoasecz yes Czech ze eh hm _ Italy Installation Manual SB20HF 30HF IA IEN 120431 25 The Communication Module Quick Module SMA Solar Technology AG A Country data set Display language Grid Guard Country protection Hu B 8 lecei727 MeA english B c tcez27 A english b o _ english b Gemm b 2 b fe b 4 _ halon n fore b s O Grd 60H fro exi o _ Ea sor Off Grid 50Hz Unallocated Flexible E s Unallacated no exible Can be adjusted as of firmware version 2 30 no no 2 sons Flexible no Special setting Bluetooth transmission power reduced in accordance with French standards Currently unallocated The previously
15. 1 Installation Manual SMA Solar Technology AG Electrical Connection 6 4 3 Opening the DC Connector 1 Unscrew the screw connection 2 Unlocking the DC connector Insert a 3 5 mm screwdriver into the snap slot on the side and lever it out 0 3 Carefully pull the DC connector apart 4 Loosen the clamping bracket using a screwdriver For this purpose use a screwdriver with a blade width of 3 5 mm 5 Remove the cable V The cable is removed from the DC connector Installation Manual SB20HF 30HF IA IEN 120431 45 Electrical Connection SMA Solar Technology AG 6 4 4 Connecting the PV Array DANGER Danger to life due to high voltages in the inverter e Before connecting the PV array ensure that the AC miniature circuit breaker is switched off and that it cannot be reactivated NOTICE 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 Disconnect the miniature circuit breaker and secure against re connection 2 Make sure that the inverter has been secured with the connection element in order to prevent it from being lifted out as per section 4 3 Mounting the Inverter with the Wall Mounting Bracket page 17 3 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 temperatur
16. 5 3 6 Closing the Quick Module 1 Close the lid of the Quick Module and flip the flap down again until it locks into place V You can now connect the Quick Module to the inverter as described in the following section Installation Manual SB20HF 30HF IA IEN 12043 1 29 The Communication Module Quick Module SMA Solar Technology AG 5 4 Mounting the Quick Module NOTICE Damage to the Quick Module due to improper installation in the inverter 30 The Quick Module can be damaged if incorrectly installed in the inverter e Check the Quick Module for visible external damage before installation e Carefully install the Quick Module as described in the following Disconnect the inverter from the AC and DC side as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 Make sure that the inverter has been secured with the connection element in order to prevent it from being lifted out as per section 4 3 Mounting the Inverter with the Wall Mounting Bracket page 17 Put the Quick Module into the designated holes on the retainer Push the Quick Module upwards in the guide slot until it clicks into place Check that the Quick Module is correctly seated The loops of the Quick Module and the retainer must be positioned flush on top of each other The Quick Module is mounted SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG The Communication Module Q
17. and B e You can adjust the parameters CntrySet or Set country standard using an external communication product with a Bluetooth interface Alternative parameterization with RS485 If your inverter is fitted with a Quick Module with RS485 interface then your inverter can also communicate via RS485 22 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG The Communication Module Quick Module 5 3 1 SMA Grid Guard Protected Country Data Sets In some countries the local grid connection requirements demand a mechanism which prevents the parameters for the grid feed in from being changed Some country data sets are therefore protected and 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 via the rotary switch after these 10 feed in hours the inverter will not accept the changes and displays the error message Grid parameter locked If however a later change to the country data set only relates to a change of the display language 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 G
18. conductor cross sectional areas see Sunny Design design program at www SMA de en Cable Requirements Postion Designation Value B b length ofinslaon tobe sipped smm 36 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Electrical Connection Load Disconnection Unit You must install a separate miniature circuit breaker for each inverter in order to ensure that the inverter can be securely disconnected under load The maximum permissible fuse protection can be found in section 13 Technical Data page 81 Detailed information and examples for the rating of a miniature circuit breaker can be found in the Technical Information Miniature CircuitBreaker in the SMA Solar Technology AG download area 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 circuit breaker is no longer guaranteed It can result in a cable fire or destruction of the inverter e Never connect several inverters to the same miniature circuit breaker Observe the maximum permissible fuse protection of the inverter when selecting the miniature circuitbreaker DANGER Danger to life due to fire When a generator inverter and a load are connected to the same miniature circuit breaker the protective function of the miniature circuit br
19. configured display language remains set Only applies for SB 3000HF 30 V 0160 26 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG The Communication Module Quick Module If the inverter is not set to the installation country there are several ways of configuring the required country standard e Setting via 2 rotary switches in Quick Module as described in section 5 3 4 Setting the Country Standard and Language using the Rotary Switch page 28 e Alternatively you can adjust the setting via the CntrySet or Set country standard parameters with a communication product e g Sunny Data Control or Sunny Explorer once you have commissioned the inverter e If you require adjusted parameter settings for your installation site you can change these with the help of a communication product 5 3 3 Opening the Quick Module 1 If the Quick Module is already connected to the inverter proceed as follows Disconnect the inverter from the AC and DC side as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 Pull the Quick Module out to the first stopper 2 Open the lower flap of the Quick Module 3 Open the lid of the Quick Module until it locks into place M The Quick Module is open You can now set the installation country and the language via the rotary switches as described in the following section Installation Manual SB20HF 30HF IA IEN 120431 27 The Communic
20. or when you tap again VOED the configured standard is displayed example VDEO126 1 1 e After a further 5 seconds or when you tap again DRACHE DENT the configured language is displayed example Sprache Deutsch Language e During normal operation the text line of the display will subsequently be clear For more information on the possible event messages in the scrolling lines and their meaning see section 10 Messages page 65 il Show display messages again valid from firmware version 2 30 If you want to view the display messages of the startup phase again while in normal operation double tap the enclosure lid Installation Manual SB20HF 30HF IA IEN 120431 51 Commissioning SMA Solar Technology AG 7 3 Self Test in Accordance with ENEL Guideline Ed 1 1 Applies to Italy Only 7 3 1 Starting the Self Test You can start the self test by tapping on the enclosure lid The country configuration of the inverter must be set to Italy Enel GUIDA or a reconfigured based on the Enel GUIDA country data set before the self test can be carried out In addition an undisturbed feed in operation must be possible Display language during the self test Regardless 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 as described in section 7 Commissioning page 4
21. set gt The SMA Plug in Grounding polarity does not correspond to the polarity set in the lt Comm disturbed gt A fault has occurred in the internal communication of the inverter However the inverter continues feeding into the grid Installation Manual Messages Event no Display message and cause Corrective measures e Check the strings for ground faults as described in section 11 1 Checking the PV Array for Ground Faults page 72 e installer of the PV array must remedy the ground faults before you re connect the affected string e Check the ground fuse as described in the installation manual of the SMA Plug in Grounding e Check the strings for ground faults as described in section 11 1 Checking the PV Array for Ground Faults page 72 If this event occurs frequently e Check the design and the wiring of the PV array e Wait for more sunlight e If this event recurs even when the amount of sunlight is average check the design of your PV plant and make sure the PV array is wired properly e Correct the grounding type as described in the installation manual for the SMA Plug in Grounding e Ensure sufficient ventilation e Check the heat dissipation as described in section 9 2 Checking the Heat Dissipation page 61 If this event occurs frequently e Contact the SMA Service Line see section 15 Contact page 94 SB20HF 30HF IA IEN 12043 1 Messages SMA Solar Technol
22. they will have already been preset at the factory via a communication product In this case you will not be able to recognize the 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 independently of the grid parameters This means that the default grid parameters remain unchanged but the display messages are shown in the set language For devices ordered without any specified country of installation the standard setting 15 VDEO126 1 1 and the language Deutsch German Changes will be accepted immediately after switching the miniature circuitbreaker on If an unprogrammed switch setting is selected the inverter issues an error message on the display and the last valid setting is retained Check whether the inverter is set to the installation country Before commissioning e Check that the country setting of the inverter is correct by comparing the additional sheet provided with the default settings of the inverter After commissioning e Check that the country standard is correct on the basis of the display message during re commissioning see section 7 2 Display Messages During the Startup Phase page 51 or e Check that the country standard is correct using the SMA grid guard
23. 4K4H Extended temperature range E OO C Extended humidity range 0 100 Extended air pressure range 79 5 kPa 106 kPa Climatic conditions in accordance with IEC 60721 3 4 transport type E class 2K3 Features DC terminal SUNCLIX DC connector Display LC graphic display Bluetooh RS485 galvanically isolated Optional in RS485 Quick Module Multifunction relay Optional in RS485 Quick Module Installation Manual SB20HF 30HF IA IEN 12043 1 83 Technical Data SMA Solar Technology AG Electronic Solar Switch Electrical endurance in the event of a short circuit Min 50 switching processes with a nominal current of 35 A Torque Rn Grounding systems Suitable wih ungrounded PV array 5 rid Data storage capacity Daily energy yield 63 days Dal is Event messages for users 250 events Event messages for installers 250 events Efficiency Maximum efficiency Nmax 96 376 European weighted efficiency ney 95 076 84 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Technical Data 13 2 Sunny Boy 2500HF DC Input 2650 W Strings per MPP input The maximum open circuit voltage which can occur at a cell temperature of 10 must not exceed the maximum input voltage AC output Rated power at 230 V 50 Hz 2 500 W 220 V 230 v 240V Total harmonic factor of output current at lt 3 AC THF lt 2 AC power gt 0 5 nominal AC power Depending on country co
24. 9 V The inverter is now in the initialization phase Firstly the firmware version of the internal processors appears in the text lines After 5 seconds or after tapping the enclosure lid the serial number or the description of the inverter appears The description of the inverter can be changed with a communication product After a further 5 seconds or when you tap ENEL OLION again the configured standard is displayed 2 In order to start the self test tap on the enclosure lid within 10 seconds The message shown on the right appears in the RUTOTEST display 3 Now activate the self test within 20 seconds by tapping on the enclosure lid again Once you have started the test sequence the inverter checks the disconnection times for overvoltage undervoltage maximum frequency and minimum frequency one after the other During the tests the inverter shows the values in the display which are described in section 7 3 2 Test Sequence page 53 52 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG 7 3 2 Test Sequence Commissioning 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 three times one after the other When the inverter has carried out the 4 tests it switches to normal operation The original calibration values are reset Current value
25. Danger to life due to fire or explosion Despite careful construction electrical devices can cause fires e Do not mount the inverter on flammable construction materials e Do not mount the inverter in areas where highly flammable materials are stored e Do not mount the inverter in potentially explosive atmospheres CAUTION IN Risk of burns due to hot enclosure parts e Mount the inverter in such a way that it cannot be touched inadvertently during operation CAUTION Risk of injury due to the heavy weight of the inverter e Take the inverter s weight of approx 17 kg into account for mounting 4 2 Selecting the Mounting Location Consider the following requirements when selecting the mounting location e mounting method and location must be suitable for the inverter s weight and dimensions see section 13 Technical Data page 81 e Mount on a solid surface e The mounting location must at all times be clear and safely accessible without the use of additional aids such as scaffolding or lifting platforms Non fulfillment of these criteria may restrict servicing Installation Manual SB20HF 30HF IA IEN 12043 1 15 Assembly SMA Solar Technology AG Mount vertically or tilted backwards at a maximum angle of 30 The connection area must point downward Never mount the device with a forward tilt Never install the device with a sideways Do not mount horizontally Mount at eye level to allow
26. Module is disassembled 34 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Electrical Connection 6 Electrical Connection 6 1 Safety NOTICE Electrostatic discharges can damage the inverter Internal component parts of the inverter can be irreparably damaged by electric discharge e Ground yourself before touching a component part 6 2 Overview of the Connection Area The following figure shows the assignment of the individual connection areas on the bottom of the inverter Description DC connectors for connecting the PV strings DC connectors for connecting the PV strings Slot for the communication module Quick Module RS485 Quick Module Slot with protective cap for optional grounding Jack for the AC connection plug Jack for connecting the Electronic Solar Switch ESS Installation Manual SB20HF 30HF IA IEN 12043 1 35 Electrical Connection SMA Solar Technology AG 6 3 Connection to the Power Distribution Grid 6 3 1 Conditions for the AC Connection Connection requirements of the grid operator Always observe the connection requirements of your grid operator Cable design Use Sunny Design version 2 0 or higher for the dimensioning of the
27. Recommission the inverter as described in section 7 Commissioning page 49 plastic in the Electronic Solar Switch The Electronic Solar Switch can no longer reliably shows thermal deformation disconnect the DC side 1 Replace the Electronic Solar Switch handle before attaching it again for the order number see section 14 Accessories page 93 2 Commission the inverter as described in section 7 Commissioning page 49 64 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Messages 10 Messages 10 1 Green LED glowing or flashing Green LED on e green LED is glowing the inverter is in feed in operation Green LED flashing e If the green LED flashes over a long period this can mean that there is insufficient DC voltage available due to insufficient irradiation No display in the event of insufficient DC voltage Taking measurements and displaying messages 15 only possible when there 15 sufficient DC voltage 10 2 Event Messages During an update the relevant display message is shown in the text line of the display XA EA lt Autotest gt Only relevant for an installation in Italy start the self test by tapping on the display according to ENEL Guida see section 7 3 Self Test in Accordance with ENEL Guideline Ed 1 1 Applies to Italy Only page 52 lt Inst code valid gt The SMA Grid Guard code you have entered is valid The configured c
28. Solar iol General Data Electronic Solar Switch Weigh Length x width x height of packaging Maximum permissible value for relative humidity 100 non condensing Maximum operating altitude above mean sea 3 000 m level Noise Power loss in night operation Fan connection Designed for safe disconnection Degree of protection according to IEC 60529 Protection class according to IEC 62103 90 SB20HF 30HF IA IEN 120431 Installation Manual SMA Solar Technology AG Technical Data Country standards as of 08 201 1 AS4777 2005 C10 11 05 2009 Enel GUIDA Ed 1 1 EN 50438 2008 G83 1 1 2008 IEC61727 MEA IEC61727 PPC 2006 06 PPDS 2009 RD 1663 2000 RD 661 2007 SI4777 VDE 0126 1 1 2006 02 VDE AR N 4105 UTE C15 712 1 PV2008 501 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 VDE AR N 4105 Valid from firmware version 2 30 Setting in accordance with VDE AR N 4105 Germany for PV plants lt 3 68 kVA Climatic conditions in accordance with IEC 60721 3 4 installation type C class 4K4H Extended temperature range 225 EI ODE Extended humidity range 0 100 Extended air pressure range 79 5 kPa 106 kPa Climatic conditions in accordance with IEC 60721 3 4 transport type E class 2K3 Features Bluetooth RS485 galvanically isolated Optional in RS485 Quick M
29. ation Module Quick Module SMA Solar Technology AG 5 3 4 Setting the Country Standard and Language using the Rotary Switch 1 Open the Quick Module as described in section 5 3 3 Opening the Quick Module page 27 2 Set the arrows on both left rotary switches A and B to the desired positions using a screwdriver see table in section 5 3 2 Checking the Country Standard page 24 For this purpose use a screwdriver with a blade width of 2 5 mm Jumper for English 5 8 You can also set the language to English by 1 A means of a jumper e g for service purposes e To do this place the jumper onto both E left pins as shown the diagram on the right The country standard and the language are set 5 3 5 Communication via Bluetooth Communication via Bluetooth with a communication product is activated as standard Networking via Bluetooth with other inverters is deactivated ex works The following configuration settings are possible via a rotary switch switch C Seid poson Nen eng Communication via Bluetooth with communication product possible no networking with other inverters default settings Networking with other inverters and or communication products In order to restrict communication via Bluetooth between the inverters of your plant and those of neighboring plants you can assign an individual NetlD to the inverters of your plant switc
30. beling Device class label The inverter is equipped with a wireless component that complies with the harmonized standards Certified safety The inverter was tested by VDE and complies with the requirements of the German Product Safety Act Australian mark of conformity The inverter complies with the requirements of the applicable Australian Korean mark of conformity The inverter complies with the requirements of the applicable Korean guidelines 12 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Unpacking 3 Unpacking 3 1 Scope of Delivery Check the delivery for completeness and any visible external damage Contact your specialty retailer if anything is damaged or missing DC connectors 2 x positive 2 x negative AC coupling socket protective cap for AC jack on inverter threaded sleeve sealing ring clamping nut for SB 2500HF 30 3000HF 30 with fan Installation Manual SB20HF 30HF IA IEN 120431 13 Unpacking SMA Solar Technology AG 3 2 Identifying the Inverter You can identify the inverter using the type label The type label is on the right hand side of the enclosure The serial number Serial No and the type Type Model of the inverter as well as device specific characteristics are specified on the type label 14 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Assembly 4 Assembly 4 1 Safety DANGER
31. dance with IEC 60721 3 4 transport type E class 2K3 Features DC terminal SUNCLIX DC connector Display LC graphic display Bluetooh RS485 galvanically isolated Optional in RS485 Quick Module Multifunction relay Optional in RS485 Quick Module Installation Manual SB20HF 30HF IA IEN 12043 1 87 Technical Data SMA Solar Technology AG Electronic Solar Switch Electrical endurance in the event of a short circuit Min 50 switching processes with a nominal current of 35 A Torque Rn Grounding systems Suitable wih ungrounded PV array 5 rid Data storage capacity Daily energy yield 63 days Dal is Event messages for users 250 events Event messages for installers 250 events Efficiency Maximum efficiency Nmax 96 376 European weighted efficiency ney 95 3 88 SB20HF 30HF IA IEN 120431 Installation Manual SMA Solar Technology AG Technical Data 13 3 Sunny Boy 3000HF DC Input 3 150w Strings per MPP input The maximum open circuit voltage which can occur at a cell temperature of 10 must not exceed the maximum input voltage AC output Rated power at 230 V 50 Hz 3 000 W 220 V 230 9 2401 Total harmonic factor of output current at lt 3 AC THF lt 2 AC power gt 0 5 nominal AC power Depending on country configuration Installation Manual SB20HF 30HF IA IEN 12043 1 8 Technical Data SMA Solar Technology AG Protective devices Ground fault monitoring
32. device in the same manner Now mount the transport lid of the replacement device onto your inverter 1 Put on the transport lid 2 Tighten the screws V You can now send your inverter with transport lid to SMA Solar Technology AG 3 Attach the enclosure lid of your inverter onto the replacement device 4 Mount see section 4 Assembly page 15 and connect the replacement device as described in section 6 Electrical Connection page 35 Installation Manual SB20HF 30HF IA IEN 12043 1 79 Decommissioning SMA Solar Technology AG 12 3 Packing the Inverter If possible always pack the inverter in its original packaging If it is no longer available you can also use an equivalent carton The carton must be completely closeable have a handle system and be made to support both 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 current locally applicable disposal regulations for electronic waste Alternatively send it back to SMA Solar Technology AG with shipping paid by sender and labeled ZUR ENTSORGUNG disposal contact see page Page 94 80 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Technical Data 13 Technical Data 13 1 Sunny Boy 2000HF DC Input The max
33. e All work on the inverter may only be carried out by an electrically qualified person CAUTION Risk of burns due to hot enclosure parts The enclosure may become hot during operation e Do not touch the inverter s enclosure during operation CAUTION IN Possible damage to health as a result of the effects of irradiation e Do not stay closer than 20 cm from the inverter for any length of time PV array grounding Comply with local regulations when grounding 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 to ground them in order to ensure maximum protection for property and persons 10 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Safety 2 3 Explanation of Symbols This section gives an explanation of all the symbols found on the inverter and on the type label 2 3 1 Symbols on the Inverter mba Operation display Indicates the operating state of the inverter An error has occurred Read section 11 Troubleshooting page 72 to remedy the error Bluetooth Y Wireless Technology Shows the status of Bluetooth communication DC load disconnection unit Electronic Solar Switch ESS e When the Electronic Solar Switch is plugged in the DC electric circuit is closed OTo interrupt the DC electric circuit and disconnect the inverter securely under load
34. e above 10 C the open circuit 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 connection If this is not done the maximum input voltage of the inverter can be exceeded at low ambient temperatures NOTICE 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 warranty claims e Do not connect strings with an open circuit voltage greater than the maximum input voltage of the inverter e Check the plant design 4 Check the strings for ground faults as described in section 11 1 Checking the PV Array for Ground Faults page 72 46 SB20HF 30HF IA IEN 120431 Installation Manual SMA Solar Technology AG Electrical Connection 5 Check the assembled DC connectors for correct polarity and connect them to the inverter V The DC connectors click audibly into position To unlock the DC connectors see section 6 4 3 Opening the DC Connector page 45 6 Tocreate the seal on the inverter all DC inputs that are not required must be closed as follows Insert the sealing plugs provided into the DC connectors that are not required Do not insert the sealing plug into the DC inputs on the inverter Insert the DC connectors with sealing plugs into the corr
35. e negative pole of each string and the ground potential PE 4 Measure the voltages between the positive and negative poles of each string 72 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Troubleshooting V A ground fault exists if the measured voltages are stable and the sum of the voltages from the positive pole to the ground potential and from the negative pole to the ground potential of a string is approximately equal to the voltage between the positive and negative poles The installer of the PV array must remedy the ground fault in the affected string You can determine the location of the ground fault as described below Do not reconnect the faulty string Recommission the inverter as described in section 7 Commissioning page 49 V You have found no ground fault It is likely that one of the thermally monitored varistors is defective e Check the function of the varistors as described in section 11 2 Checking the Function of the Varistors page 74 Location of the ground fault The approximate position of the ground fault can be determined from the ratio of the measured voltages between the positive pole against ground potential PE and the negative pole against ground potential PE Example V 200 Y 300 V a oO an 100V 100 100 V 100 V 100 V In this case the ground fault is between the second and third PV modules M The ground fault c
36. eaker is no longer guaranteed The current from the inverter and the power distribution grid can accumulate to overcurrents which is not detected by the miniature circuit breaker Never connect loads between the inverter and the miniature circuit breaker without fuse protection Always protect consumers separately NOTICE Damage to the inverter by using screw type fuses as a load disconnection 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 switch disconnector A screw type fuse only acts as cable protection When disconnecting under load using a screw type fuse the inverter can be damaged e Use only a switch disconnector or a miniature circuit breaker as a load disconnection unit Installation Manual SB20HF 30HF IA IEN 12043 1 37 Electrical Connection SMA Solar Technology AG 6 3 2 Connecting the Inverter to the Power Distribution Grid Overview of the AC Coupling Socket Description Protective cap for AC jack on inverter Jack element Threaded sleeve with sealing ring for cable diameters from 10 14 mm Sealing ring for cable diameters from 6 10 mm Pressure screw Connecting the Inverter to the Power Distribution Grid 1 Check that the country setting of the inverter 15 correct by using the additional sheet provided with the default settings
37. ection 14 Accessories page 93 You will find detailed descriptions of the functions in the respective manual Configuring the Quick Module You can configure the Quick Module before you connect it to the inverter 5 1 Safety DANGER Risk of lethal electric shock If you have already connected the Quick Module to the inverter you have to disconnect the inverter from both the AC and DC supplies before you can configure the settings on the Quick Module e Disconnect the inverter as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 NOTICE Electrostatic discharges can damage the Quick Module or the inverter Internal component parts ofthe Quick Module or the inverter can be irreparably damaged by static electric discharge e Ground yourself before touching a component part Installation Manual SB20HF 30HF IA IEN 12043 1 21 The Communication Module Quick Module SMA Solar Technology AG 5 2 Interior View of the Quick Module B C Objet Description swih for seting disploy language p SiorfarD cord forsenice purposes slor for seting he language Engish 5 3 Configuring the inverter via the Quick Module There are two ways to configure the inverter to the required country standard e Before commissioning you can configure the inverter using the two rotary switches in the Quick Module switches A
38. erter can be irreparably damaged by electric discharge e Ground yourself before touching a component part Disconnect the miniature circuit breaker and secure against re connection P9 IF a multi function relay is connected switch off the multi function relay power supply Remove the Electronic Solar Switch 4 Use a current probe to ensure that no current is present in any of the DC cables If current is present check the installation 58 SB20HF 30HF IA IEN 1 2043 1 Installation Manual SMA Solar Technology AG 5 Unlock and disconnect all DC connectors using a 3 5 mm screwdriver Insert a screwdriver into one of the side slots 1 Disconnect the DC connectors 2 All DC connectors are disconnected from the inverter The inverter is completely disconnected from the PV array Disconnecting the Inverter from Voltage Sources DANGER Danger to life due to high voltages in inverter The capacitors in the inverter require 5 minutes to discharge e Wait at least 5 minutes until the LEDs the display and the fault sensor are no longer illuminated Installation Manual SB20HF 30HF IA IEN 12043 1 59 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG 6 Ensure that no voltage is present at the DC plugs on the inverter If volta
39. esponding DC inputs on the inverter uH m 7 9 7 Ensure that all DC connectors are securely in place 8 Mount the Quick Module as described in section 5 4 Mounting the Quick Module page 30 Installation Manual SB20HF 30HF IA IEN 120431 47 Electrical Connection SMA Solar Technology AG 9 Plugin the Electronic Solar Switch If an RS485 Quick Module is connected route the cable for the RS485 bus along the side of the shaft for the Electronic Solar Switch NOTICE IN Damage to Electronic Solar Switch If it is not correctly connected the Electronic Solar Switch can be damaged e Plug the handle firmly onto the jack of the Electronic Solar Switch e The handle must be flush with the enclosure V The PV array is connected to the inverter You can now commission the inverter as described in section 7 Commissioning page 49 48 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Commissioning 7 Commissioning 7 1 Commissioning the Inverter 1 Check that the inverter is firmly mounted on the wall and secured against being lifted out see section 4 3 Mounting the Inverter with the Wall Mounting Bracket page 17 Check for correct country configuration see section 5 3 2 Checking the Country Standard page 24 Check that the AC cables are connec
40. ge is present check the installation 7 Unlock and remove the AC plug using a screwdriver 4 V The inverter is now dead 60 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Maintenance and Cleaning 9 Maintenance and Cleaning 9 1 Cleaning the Inverter If the display is dirty and you find it difficult to read the operating data and operating states of the inverter clean the display with a damp cloth Do not use any corrosive substances e g solvents abrasives for cleaning Check the inverter and cables for any signs of external damage If the inverter is damaged contact the SMA Service Line If there is damage to the cables perform repair work or replace the cables 9 2 Checking the Heat Dissipation If the inverter regularly reduces its output due to excessive heat temperature symbol on the display illuminates this may be for one of the following reasons e The cooling fins on the rear side of the enclosure are clogged with dirt Clean the cooling fins with a soft brush if necessary e fan is clogged with dirt only possible for SB 2500HF 30 3000HF 30 Clean the fan as described below 9 2 1 Cleaning the Fans only for SB 2500HF 30 3000HF 30 If the fan enclosure is only soiled with loose dust it can be cleaned using a vacuum cleaner If you do not achieve satisfactory resu
41. gy AG Electrical Connection 6 3 3 Connecting Additional Grounding If a second protective conductor connection additional grounding or equipotential bonding is required in the country of installation you can also ground the inverter at the enclosure see figure Oe Installation Manual SB20HF 30HF IA IEN 120431 4 Electrical Connection SMA Solar Technology AG 6 4 Connecting the PV Array DC 6 4 1 Conditions for the DC Connection il Use of Y adapters for parallel connection of strings Y adapters may not be visible within close proximity of the inverter or freely accessible e The DC electric circuit must not be interrupted by adaptors e Observe the procedure for disconnecting the inverter as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 e Requirements for the PV modules of the connected strings Same type Same number Identical alignment Identical tilt e connection cable of the PV modules must be equipped with connectors The DC connectors for the DC connection are included in the delivery e following limiting values at the DC input of the inverter must not be exceeded Sunny Boy Maximum i
42. h position 2 FJ However this is only necessary if neighboring 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 28 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG The Communication Module Quick Module Plant password for user and installer If you communicate via Bluetooth you can protect the inverter with 1 plant password for the user and 1 plant password for the installer All inverters are delivered with the same factory installed plant password You must change plant passwords using a communication product in order to protect the plant from unauthorized access IF you do not communicate using Bluetooth deactivate the Bluetooth communication This protects your plant from unauthorized access Changing the Plant Time For communication via Bluetooth and Sunny Explorer you must change the plant time date and time using a communication product after commissioning This prevents errors when retrieving saved events Procedure 1 Open the Quick Module as described in section 5 3 3 Opening the Quick Module page 27 2 Set the arrow on the rotary switch C to the required position using a screwdriver 2 5 mm For this purpose use a screwdriver with a blade width of 2 5 mm gt Acceptance of settings The Bluetooth settings will first be accepted upon commissioning
43. heck is finished Installation Manual SB20HF 30HF IA IEN 12043 1 73 Troubleshooting SMA Solar Technology AG 11 2 Checking the Function of the Varistors If the inverter displays event number 74 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 Position of varistors You can determine the position of the varistors using the illustration below The varistors are bent upon delivery Observe the following assignment of the terminals e Terminal A outer terminal varistor c connection with loop e Terminal B Middle terminal a ES e Terminal outer terminal varistor Ve B p ss Olzaa LY connection without loop crimp Ne V TX un ERA js You can check the functionality of the varistors in the following manner 1 Disconnect the inverter from the AC and DC side as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 DANGER Danger to life due to high voltages in the inverter The capacitors require 5 minutes to discharge e Wait 5 minutes before opening the enclosure lid in order to allow time for the capacitors to discharge 2 Loosen the screw
44. her 10 Connect the AC plug 11 Check the DC connectors for correct polarity and connect them A 32 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG The Communication Module Quick Module 12 Plug in the Electronic Solar Switch If an RS485 Quick Module is connected route the cable for the RS485 bus along the side of the shaft for the Electronic Solar Switch NOTICE Damage to Electronic Solar Switch If it is not correctly connected the Electronic Solar Switch can be damaged e Plug the handle firmly onto the jack of the Electronic Solar Switch e The handle must be flush with the enclosure 13 Ifa multifunction relay is connected switch on the multifunction relay supply voltage 14 Switch on the miniature circuit breaker The changes have been set Installation Manual SB20HF 30HF IA IEN 12043 1 33 The Communication Module Quick Module SMA Solar Technology AG 5 6 Disassembling the Quick Module 1 Disconnect the inverter from the AC and DC side as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 2 Pull the Quick Module out over the first stopper to the last stopper 3 Press the Quick Module lightly upwards until the keys pass through the openings of the retainer 4 Carefully take the Quick Module out of the retainer M The Quick
45. ibed in section 8 Disconnecting the Inverter from Voltage Sources page 58 CAUTION IN Risk of burns due to hot enclosure parts Wait 30 minutes for the enclosure to cool down before disassembling 2 Unfasten the connection element between the enclosure and the wall or the security lock 3 Remove the inverter from the wall mounting bracket V The inverter is disassembled 78 SB20HF 3OHF IA IEN 1 2043 1 Installation Manual SMA Solar Technology AG Decommissioning 12 2 Replacing the Enclosure Lid In the event of a fault your inverter may need to be replaced In this case you will receive a replacement device with a transport lid Prior to returning your inverter to SMA Solar Technology AG you must swap over the enclosure lid of your inverter with the corresponding transport lid 1 Disassemble the inverter as described in section 12 1 Disassembling the Inverter page 78 DANGER Danger to life due to high voltages in the inverter The capacitors in the inverter require 5 minutes to discharge e Wait at least 5 minutes until the LEDs the display and the fault sensor are no longer illuminated 2 Loosen the screws of the enclosure lid 3 Remove the enclosure lid 4 Remove the transport lid from the replacement
46. imum open circuit voltage which can occur at a cell temperature of 10 must not exceed the maximum input voltage AC output Total harmonic factor of output current at THF lt 2 9 power gt 0 5 nominal power Installation Manual SB20HF 30HF IA IEN 12043 1 81 Technical Data SMA Solar Technology AG Depending on country configuration Protective devices DC reverse polarity protection Shortcircuit diode Input side disconnection device Electronic Solar Switch General Data Electronic Solar Switch Maximum permissible value for relative humidity 100 non condensing Maximum operating altitude above mean sea 3 000 m level Noite emision Protection clas according io 82108 82 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Technical Data Country standards as of 08 201 1 AS4777 2005 C10 11 05 2009 Enel GUIDA Ed 1 1 EN 50438 2008 G83 1 1 2008 IEC61727 MEA IEC61727 PPC 2006 06 PPDS 2009 RD 1663 2000 RD 661 2007 SI4777 VDE 0126 1 1 2006 02 VDE AR N 4105 UTE C15 712 1 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 VDE AR N 4105 Valid from firmware version 2 30 Setting in accordance with VDE AR N 4105 Germany for PV plants lt 3 68 kVA Climatic conditions in accordance with IEC 60721 3 4 installation type C class
47. in CPU failed gt e Contact the SMA Service Line see section 15 Contact page 94 70 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Messages Event no Display message and cause Corrective measures lt Varistor defective gt e Check the varistors as described in section 11 2 Checking the Function of the Varistors page 74 lt Fan fault gt e Check the heat dissipation as lt Clean fan gt described in section 9 2 Checking the Heat Dissipation page 61 lt Derating occurred gt If this event occurs frequently The power supplied by the inverter was e Ensure sufficient ventilation reduced to below the nominal power due Check the heat dissipation as to high temperature for more than described in section 9 2 Checking 10 minutes the Heat Dissipation page 61 lt Comm disturbed gt If this event occurs frequently A fault has occurred in the internal e Contact the SMA Service Line see communication of the inverter However section 15 Contact page 94 the inverter continues feeding into the grid lt Inst code invalid gt e Avalid SMA Grid Guard Code has The SMA Grid Guard Code entered been entered personal installer password is invalid lt Grid param locked gt e Enter the valid SMA Grid Guard Code for changing the country data The current country data set is locked set lt Abort self test gt e Contact the SMA Service Line
48. lation Manual SMA Solar Technology AG Maintenance and Cleaning 9 2 2 Checking the Fan only for SB 2500HF 30 3000HF 30 Checking the Fan To test the fan you will need a special data capture device e g Sunny WebBox or a PC with appropriate software e g Sunny Explorer in order to change the parameters of the inverter You will also need the installer password to access the installer mode Enter the installer password 2 Set parameters CoolSys FanTst and or Fan test to in installer mode Check the air flow of the fan The inverter draws air in from underneath and then blows it out at the top Listen for any unusual noise which could indicate incorrect installation or that the fan 15 faulty 4 After the test set the parameter CoolSys FanTst and or Fan test back to the Off position fan test is completed Installation Manual SB20HF 30HF IA IEN 12043 1 63 Maintenance and Cleaning SMA Solar Technology AG 9 3 Checking the Electronic Solar Switch ESS for Wear Check the Electronic Solar Switch for wear before plugging it in The plastic in the Electronic Solar Switch is Make sure that the inverter has been undamaged secured with the connection element in order to prevent it from being lifted out as per section 4 3 Mounting the Inverter with the Wall Mounting Bracket page 17 Insert the handle of the Electronic Solar Switch securely in the jack on the bottom of the enclosure
49. ll mounting bracket The inverter is now securely mounted to the wall Installation Manual SB20HF 30HF IA IEN 120431 Assembly SMA Solar Technology AG Optional Anti 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 AD e Size A maximum mm diameter B 21 35 mm C 20 33 mm D 40 60 mm E 13 21 mm e Stainless e Hardened shackle 2 E e Secured lock cylinder Storage of the key Store the key carefully for possible service purposes 20 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG The Communication Module Quick Module 5 The Communication Module Quick Module The inverter is equipped with a communication module Quick Module with a Bluetooth Wireless Technology interface as standard Quick Module with RS485 interface and multi function relay RS485 Quick Module You can purchase Quick Module with an 5485 interface and a multi function relay RS485 Quick Module from SMA Solar Technology AG or your specialty retailer see s
50. lts with a vacuum cleaner you can disassemble the fan for cleaning If the enclosure and fan are very dirty proceed as follows 1 Disconnect the inverter as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 2 Unlock 1 and pull out 2 the fan socket A AT LE e 30 b is Installation Manual SB20HF 30HF IA IEN 12043 1 61 Maintenance and Cleaning SMA Solar Technology AG 3 Push the latch on the retainer of the Electronic Solar Switch downwards 1 and at the same time remove the fan enclosure together with the fan 2 4 Clean the enclosure and the fan with a soft brush a paint brush a damp cloth NOTICE A N Damage to the fan through use of compressed air e Do not use compressed air to clean the fan and its enclosure This can damage the fan 5 Fit the fan enclosure to the Electronic Solar Switch ensuring that the arrow on the fan enclosure and the fins are pointing upwards 6 Insert the fan plug A into the jack The fan plug snaps audibly into place 7 Recommission the inverter as described in section 7 Commissioning page 49 Checking the functionality of the fan You can check the functionality of the fan via a communications component as described in the following section9 2 2 Checking the Fan only for SB 2500HF 30 page 63 62 SB20HF 30HF IA IEN 12043 1 Instal
51. measuring channel via a communication product Display language Once you have set the country standard you can always set the display language later using rotary switch However you have to then set rotary switch A to in order to keep the country data set The operating parameters define which parameter set refers to which setting The parameters can be read out using a communication product A detailed description of the parameters and measured values for the inverter is available in the download area at www SMA de en in the Technical Description category for the respective inverter A Country data set Display language Guard protection Delivery state Delivery state Dependent on Dependent on parameter set parameter set 1 Retained English Dependent on Dependent on parameter set parameter set 2 Retained German Dependent on Dependent on parameter set parameter set 24 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG The Communication Module Quick Module A Country data set Display language Guard Country protection 3 Retained French Dependent on Dependent on parameter set parameter set 4 Retained Spanish Dependent on Dependent on parameter set parameter set 5 Retained Italian Dependent on Dependent on parameter set parameter set Retained Unallocated Dependent on Dependent on parameter set parameter set 7 Retained Unallocated Dependent on Dependent on VDEO1 26 1
52. nd can be downloaded or are available on paper from the usual sales channels if required Trademarks All trademarks are recognized even ifthese 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 license SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E Mail infoOSMA de 2004 to 2012 SMA Solar Technology AG All rights reserved Installation Manual SB20HF 30HF IA IEN 12043 1 95 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 Ltd www SMA Korea com
53. nects to assure compliance with the power quality of the power distribution grid lt Grid fault gt The inverter is no longer in grid parallel operation and has stopped feed in operation for safety reasons lt Grid fault gt The power frequency is not within the permissible range The inverter disconnects itself from the power distribution grid for safety reasons Installation Manual Messages Event no Display message and cause Corrective measures Check for tripping of the miniature circuit breaker Check the grid voltage and connection on the inverter If the line voltage lies outside the permissible range due to local grid conditions ask your grid operator if the voltage can be adjusted at the feeding point or if it would be acceptable to change the monitored operational limits If the grid voltage lies within the tolerance range yet this error is still being displayed contact the SMA Service Line e Check the grid voltage at the termination point of the inverter If due to local grid conditions the grid voltage exceeds the configured limiting value ask the grid operator whether the voltage can be adjusted at the feeding point or whether it would be acceptable to modify the limiting value for power quality monitoring If the grid voltage is continuously within the tolerance range and this error is still displayed contact the SMA Service Line Check the grid connection for strong short
54. nfiguration Installation Manual SB20HF 30HF IA IEN 12043 1 8 Technical Data SMA Solar Technology AG Protective devices Ground fault monitoring Solar loo General Data Electronic Solar Switch Weigh Length x width x height of packaging Maximum permissible value for relative humidity 100 non condensing Maximum operating altitude above mean sea 3 000 m level Noise Power loss in night operation Fan connection Designed for safe disconnection Degree of protection according to IEC 60529 Protection class according to IEC 62103 86 SB20HF 30HF IA IEN 120431 Installation Manual SMA Solar Technology AG Technical Data Country standards as of 08 201 1 AS4777 2005 C10 11 05 2009 Enel GUIDA Ed 1 1 EN 50438 2008 G83 1 1 2008 IEC61727 MEA IEC61727 PPC 2006 06 PPDS 2009 RD 1663 2000 RD 661 2007 SI4777 VDE 0126 1 1 2006 02 VDE AR N 4105 UTE C15 712 1 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 VDE AR N 4105 Valid from firmware version 2 30 Setting in accordance with VDE AR N 4105 Germany for PV plants lt 3 68 kVA Climatic conditions in accordance with IEC 60721 3 4 installation type C class 4K4H Extended temperature range E OO C Extended humidity range 0 100 Extended air pressure range 79 5 kPa 106 kPa Climatic conditions in accor
55. nput voltage 58 2000HF 30 700 42 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Electrical Connection 6 4 2 Assembling the DC Connectors All PV module connection cables must be equipped with the included DC connectors before connecting them to the inverter To assemble the DC connectors proceed as follows Ensure the connectors have the correct polarity The DC connectors have the symbols Cable Requirements 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 The clamping bracket snaps audibly into place 3 Ensure that the cable is correctly positioned If the stranded wire is visible in the chamber Proceed to step 4 of the clamping bracket the cable is correctly positioned Installation Manual SB20HF 30HF IA IEN 12043 1 43 Electrical Connection SMA Solar Technology AG If the stranded wires are not visible the e Loosen the clamping bracket To do so cable is not correctly positioned insert a 3 5 mm screwdriver into the clamping bracket and lever it out Remove the cable and start again from step 1 4 Push the cable gland towards the thread and tighten it torque 2 V The DC connectors are assembled and can now be connected to the inverter as described in section 6 4 4 Connecting the PV Array DC page 46 44 SB20HF 30HF IA IEN 12043
56. odule Multifunction relay Optional in RS485 Quick Module Installation Manual SB20HF 30HF IA IEN 12043 1 91 Technical Data SMA Solar Technology AG Electronic Solar Switch Electrical endurance in the event of a short circuit Min 50 switching processes with a nominal current of 35 A Torque Rn Grounding systems Suitable wih ungrounded PV array 5 rid Data storage capacity Daily energy yield 63 days Dal is Event messages for users 250 events Event messages for installers 250 events Efficiency Maximum efficiency Nmax 96 376 European weighted efficiency ney 95 476 92 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Accessories 14 Accessories You will find the corresponding accessories and spare parts for your product in the following overview If required you can order these from SMA Solar Technology AG or your specialty retailer Brief Description SMA order number Set of thermally monitored varistors MSWR TV 7 2 pc Optional Quick Module SMA RS485 Quick Module as 485QM 10 NR with RS485 interface and retrofit kit with RS485 interface and multifunction relay multifunction relay Pluggable grounding set SMA Plug in Grounding as retrofit kit PLUGIN GRD 10 NR SMA Plug in Grounding stick for positive or negative grounding of the DC input Spare fuses for grounding Spare fuses for grounding set set SMA Plug in Grounding PLUGIN GRD 10 NR 1 A 600 V
57. ogy AG lt Self diagnosis gt e Contact the SMA Service Line see ulli ee section 15 Contact page 94 e Contact the SMA Service Line see section 15 Contact page 94 lt SD card defective gt Re format the SD card O iom drive PARASET directory lt Param setting failed gt e Check the parameters for valid values e Ensure change rights via SMA Grid Guard Code lt Update file defect gt e Reformat the SD card e Resave the files to the SD card lt No update file found gt e Copy the update file into the SD card drive UPDATE directory lt Data stor not poss gt e If this fault occurs frequently contact the SMA Service Line see section 15 Contact page 94 An internal device fault that does not prevent the inverter from feeding power to the grid lt Update 4851 module failed gt e Retry update An internal device fault that does not e Ifthis fault occurs again contact the prevent the inverter from feeding power to SMA Service Line see section the grid 15 Contact page 94 lt Update Bluetooth failed gt An internal device fault that does not prevent the inverter from feeding power to the grid lt Upd display failed gt An internal device fault that does not prevent the inverter from feeding power to the grid lt Update language table failed gt An internal device fault that does not prevent the inverter from feeding power to the grid 73 lt Update ma
58. operating state ra Color den Green Glowing operation operation Flashing wait for sufficient irradiation B ed Distance Blue Bluetooth communication is active IF the inverter has been commissioned successfully the green LED should be glowing or flashing provided there is sufficient solar irradiation To find out what a glowing red LED and the event numbers on the display mean refer to section 10 3 Error Messages page 66 For communication via Bluetooth make the following settings using Sunny Explorer Change the plant time see Sunny Explorer manual Change the plant password see Sunny Explorer manual SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Commissioning 7 2 Display Messages During the Startup Phase Illustrated display messages The display messages illustrated in this section serve as examples and can depending on the country setting differ from the display messages of your inverter vvvv vyyy e Firstly the firmware version of the internal Fu PACK ANNA processors appears in the text lines e After an interval of 5 seconds or after tapping on 5 the enclosure lid the serial number or the description of the inverter and the NET ID for communication via Bluetooth will appear The description of the inverter can be changed with a WVWWN Wea AAAA communication product e After a further 5 seconds
59. operating states to be read at all times The ambient temperature should be below 40 C to ensure optimal operation Do not expose the inverter to direct solar irradiation as this can cause excessive heating and thus power reduction In living areas do not mount the unit on plasterboard walls or similar to avoid audible vibrations When in use the inverter emits noises which may be perceived as a nuisance in a living area Observe the minimum clearances to walls other inverters or objects as shown in the diagram in order to ensure sufficient heat dissipation and sufficient space for removing the Electronic Solar Switch Multiple inverters installed in areas with high ambient temperatures If necessary increase the clearances between the individual inverters In addition make sure there is enough fresh air supply to ensure sufficient cooling of the inverters SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Assembly 4 3 Mounting the Inverter with the Wall Mounting Bracket 1 Use the wall mounting bracket as a drilling template and mark the positions of the drill holes Number of drill holes to use e When mounting onto the wall use 1 top hole on the right hand side and 1 top hole on the left hand side If necessary use the lowest hole in the middle for extra support e Use the top and bottom center holes when mounting to pillar a lc ee EE
60. or N blue into the screw terminal N on the jack element and tighten the screw Insert phase L brown or black into screw terminal the jack element and tighten the screw Make sure the insulated conductors are securely connected Push the threaded sleeve C onto the jack element B until it audibly snaps into place Installation Manual SB20HF 30HF IA IEN 12043 1 39 Electrical Connection SMA Solar Technology AG 17 Screw the pressure screw E tightly onto the threaded sleeve C The pressure screw serves to seal and relieve strain V The AC connection socket has been screwed together 18 If the AC connection socket is not immediately connected to the inverter close the AC jack on the inverter with the protective cap provided 19 Make sure that the inverter has been secured with the connection element in order to prevent it from being lifted out as per section 4 3 Mounting the Inverter with the Wall Mounting Bracket page 17 20 Insert the AC connection socket into the AC jack on the inverter until it audibly snaps into place Remove the protective cap beforehand if required V The AC cable is connected to the inverter DANGER Danger to life due to high voltages in the inverter e Do not switch on the miniature circuit breaker until the PV array has been connected and the inverter is securely closed AO SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technolo
61. ountry data set is now unblocked and can be changed If the configured country data set is protected the unlocking is valid for a maximum of 10 feed in hours lt No new update SDcard gt There is no update file relevant for this inverter on the SD card or the available update has already been carried out there is no country data set available on the SD card Installation Manual SB20HF 30HF IA IEN 120431 65 Messages SMA Solar Technology AG lt Update RS485 module gt Successful update of communication interface lt Upd language table gt Successful update of language table lt Update file OK gt The update file found is valid 10 3 Error Messages The text lines on the display show the relevant messages whenever an error occurs The event numbers for the displayed error messages will appear in the text lines By tapping on the enclosure lid you can scroll through multi line messages If the error persists for a long period of time the red LED begins to glow and the multifunction relay is switched if available In addition depending on the severity of the fault the wrench or telephone receiver symbol on the display will light up e Wrench Signifies a fault that can be remedied on site e Telephone receiver Signifies a device fault Contact the SMA Service Line Event Display message and cause Corrective measures lt Grid fault gt e Check the grid voltage and connection on the inve
62. requirement occurs the self test is aborted The same applies if the DC voltage is so low that the feed in cannot be continued e inverter then shows the adjacent display E RUTOTES message for 10 seconds e Restart the self test as described in the following section 7 3 4 Restarting the Self Test page 57 56 SB20HF 3OHF IA IEN 1 2043 1 Installation Manual SMA Solar Technology AG Commissioning 7 3 4 Restarting the Self Test In order to restart the self test proceed as follows Disconnect the miniature circuit breaker and secure against re connection If a multi function relay is connected switch off the multi function relay power supply Disconnect the Electronic Solar Switch from the inverter for 5 minutes and then connect it again Switch on the miniature circuitbreaker again NR The inverter is now the initialization phase and you can restart the self test as described in section 7 3 1 Starting the Self Test page 52 from step 3 Installation Manual SB20HF 30HF IA IEN 12043 1 57 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG 8 Disconnecting the Inverter from Voltage Sources DANGER Danger to life due to high voltages in the inverter The inverter operates at high voltages e Disconnect the inverter from the AC and DC supplies as described below NOTICE Electrostatic discharges can damage the inverter Internal component parts of the inv
63. rmation You will find further information on special topics such as designing miniature circuit breaker or the description of the parameters and measured values at www SMA de en Refer to the user manual provided for detailed information on operating the inverter Installation Manual SB20HF 30HF IA IEN 120431 7 Information on this Manual SMA Solar Technology AG 1 4 Symbols Used The following types of safety instructions and general information are used in this manual DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury A AN i CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a situation that can result in property damage if not avoided Information Information provides tips that are valuable for the optimal installation and operation of your product M This symbol indicates the result of an action 8 SB20HF 30HF IA IEN 120431 Installation Manual SMA Solar Technology AG Safety 2 Safety 2 1 Intended Use The Sunny Boy is a PV inverter which converts the direct current of a PV array into grid compliant alternating current and feeds this into the power distribution grid Principle of a PV plant with this Sunny Boy Sunny Boy PV Module
64. rter gt ENEHEEEEEEN The line voltage has exceeded the permissible range This error can have the If the line voltage lies outside the following causes permissible range due to local grid The grid voltage at the termination conditions ask your grid operator if the point of the inverter is too high voltage can be adjusted at the feeding point or if it would be acceptable to e Grid impedance at the termination point of the inverter is too high change the monitored operational limits If the grid voltage lies within the tolerance The inverter disconnects itself from the 9 9 yet thi is still being displayed power distribution grid for safety reasons EX Donee contact the SMA Service Line 66 SB20HF 30HF IA IEN 120431 Installation Manual SMA Solar Technology AG lt Grid fault gt The line voltage has fallen below the permissible range This error can have the following causes Power distribution grid disconnected AC cable damaged The grid voltage at the termination point of the inverter is too low The inverter disconnects itself from the power distribution grid for safety reasons lt Grid fault gt The 10 minute average line voltage is no longer within the permissible range This can have the following causes e The grid voltage at the termination point of the inverter is too high e Grid impedance at the termination point of the inverter is too high The inverter discon
65. s Distribution Power distribution grid 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 Alternative uses modifications to the Sunny Boy and installation of component parts not expressly recommended or sold by SMA Solar Technology AG are not permitted Persons with limited physical or mental abilities may only work with the Sunny Boy following proper instruction and under constant supervision Children are forbidden to play with the Sunny Boy Keep the Sunny Boy away from children 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 e 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 potentially explosive atmospheres The enclosed documentation is part of this product Read and follow the documentation for the proper and optimum use of the Sunny Boy Keep this documentation in a convenient place for future reference Installation Manual SB20HF 30HF IA IEN 12043 1 9 Safety SMA Solar Technology AG 2 2 Safety Instructions DANGER Danger to life due to high voltages in the inverter
66. s in the display During the self test the current voltage the feed in current and the frequency are displayed above the text rows independently of the test values Overvoltage test The inverter starts the overvoltage test and shows the AUTOTEST U Ht REX adjacent display message for 5 seconds A During the test sequence the voltage limit applied 15 Y RE MRX sus Ay shown in the display of the inverter The voltage limit is reduced successively until the shut down threshold is reached and the inverter disconnects from the power distribution grid Once the inverter has disconnected from the power distribution grid the display successively shows each of the following values one after the other for 10 seconds e Disconnection value 1 VALORE pi EE AAA 2 CON caJou e Calibration value no mmm 1 VALURE LH E 2 THRATURA CN e Reaction time Anas l i Eric u LLLI 5 INTEDIIENT 2 IN TERVEN DO 5 The change between the first and second display takes places every 2 5 seconds Installation Manual SB20HF 30HF IA IEN 120431 53 Commissioning SMA Solar Technology AG Undervoltage Test The undervoltage test follows the overvoltage test and the AUTOTEST PU inverter issues the adjacent display message for 5 seconds During the test sequence the voltage limit applied 15 U RE W wv
67. s of the enclosure lid 3 Remove the enclosure lid 74 SB20HF 30HF IA IEN 12043 1 Installation Manual SMA Solar Technology AG Troubleshooting NOTICE Electrostatic discharges can damage the inverter The internal component parts of the inverter can be irreparably damaged by electrostatic discharge e Ground yourself before touching a component part NOTICE 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 4 Use a multimeter to ensure that all of the varistors in the installed state have a conducting connection between connectors B and C V There is a conducting There is probably a different error in the inverter connection e Proceed to step 9 e Consult the SMA Service Line for details on further procedure There is no conducting The respective varistor is defective and must be replaced connection Varistor failure is generally due to influences which affect all varistors similarly temperature age induced overvoltages SMA Solar Technology AG recommends replacing varistors The varistors are specially manufactured for use in the inverter and are not commercially available They must be ordered directly from SMA Solar Technology AG see section 14 Accessories page 93 To replace the varistors proceed to step 5 Installation Manual SB20HF 30HF IA IEN 120431 75
68. ted correctly see section 6 3 Connection to the Power Distribution Grid AC page 36 Check that the DC cables PV strings are connected correctly see section 6 4 Connecting the PV Array DC page 42 Close up unnecessary DC inputs with the DC connectors and sealing plugs see section 6 4 4 Connecting the PV Array DC page 46 Check whether all enclosure openings are closed Check whether the enclosure lid is firmly screwed in place Check that the Quick Module is connected correctly Firmly connect the Electronic Solar Switch Check that you have the correct type of miniature circuit breaker Switch on the miniature circuit breaker If a multi function relay is connected switch on the multi function relay supply voltage il 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 power distribution 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 test as described in section 7 3 Self Test in Accordance with ENEL Guideline Ed 1 1 Applies to Italy Only page 52 The test takes approx 3 minutes Installation Manual SB20HF 30HF IA IEN 120431 49 Commissioning SMA Solar Technology AG 13 14 50 Check whether the display and LEDs are indicating a normal
69. term frequency variations If possible check the power frequency and observe how often major deviations occur If there are frequent fluctuations and this error occurs as a result ask your grid operator if it would be acceptable to change the operating parameters Discuss the proposed parameters with the SMA Service Line SB20HF 30HF IA IEN 12043 1 67 Messages SMA Solar Technology AG Event Display message and cause Corrective measures lt Grid fault gt Check the grid connection for direct The internal monitoring function of the current inverter has detected an excessively high If this is a recurrent phenomenon proportion of direct current in the grid check with the grid operator whether current itis possible to raise the limiting value of monitoring lt Frq not permitted gt If possible check the power The power frequency is outside the frequency and observe how often permissible range The inverter disconnects major deviations occur itself from the power distribution grid for there are frequent fluctuations and this safety reasons error occurs as a result ask your grid operator if it would be acceptable to change the operating parameters Discuss the proposed parameters with the SMA Service Line lt Waiting for grid voltage gt Check fuse lt Grid failure gt Check AC installation lt Check fuse gt Check whether there is a general power outage lt Unstable operation gt
70. uard 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 located in the download area at www SMA de en in the Certificate category for each inverter The language can be configured without a password regardless of the country data set il Changing parameters in SMA Grid Guard protected country data sets 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 the parameters are not changed automatically after 10 feed in hours but have to be manually locked To manually lock the parameters set the SMA Grid Guard code to 54321 Detailed information on parameter settings You will find information on making adjustments and changing parameters in the corresponding user manual for your software The last change executed via rotary switch or communication product is always verified and activated if applicable This means that you cannot always read off the actual country setting from the switch position Installation Manual SB20HF 30HF IA IEN 120431 23 The Communication Module Quick Module SMA Solar Technology AG 5 3 2 Checking the Country Standard The switch position O O indicates the delivered state If you have ordered the inverter with specific country settings
71. uick Module 5 5 Changes via Rotary Switches after Installation of the Quick Module If you have already connected the Quick Module to the inverter and would like for example to configure the installation country or the display language via the rotary switches then proceed as follows JE Disconnect the inverter from the AC and DC side as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 Make sure that the inverter has been secured with the connection element in order to prevent it from being lifted out as per section 4 3 Mounting the Inverter with the Wall Mounting Bracket page 17 See section 5 3 4 Setting the Country Standard and Language using the Rotary Switch page 28 for setting the installation country and the display language Pull the Quick Module out to the first stopper Flip the flap up and pen the lid until it locks into place See section 5 3 5 Communication via Bluetooth page 28 for assigning the NetID via Bluetooth Close the lid of the Quick Module and flip the flap down again until it locks into place Installation Manual SB20HF 30HF IA IEN 12043 1 3 The Communication Module Quick Module SMA Solar Technology AG 8 Push the Quick Module upwards in the guide slot until it clicks into place 9 Check that the Quick Module is correctly seated The loops of the Quick Module and the retainer must be positioned flush on top of each ot
72. you have to first pull out the Electronic Solar Switch and then remove all DC connectors as described in section 8 Disconnecting the Inverter from Voltage Sources page 58 QR Code for SMA Bonus program You will find information on the SMA bonus program at www SMA Bonus com QR Code is a registered trademark of DENSO WAVE INCORPORATED 2 3 2 Symbols on the Type Label Danger to life due to high voltages The inverter operates at high voltages All work on the inverter may only be carried out by an electrically qualified person Rist of burns due to hot enclosure parts 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 Installation Manual SB20HF 30HF IA IEN 12043 1 1 Safety SMA Solar Technology AG Symbol Observe documentation Observe all documentation that is delivered with the inverter Proper disposal Do not dispose of the inverter together with the household waste The inverter complies with the requirements of the applicable EC guidelines Degree of protection The inverter is portected against dust intrusion and water jets from any The inverter is suitable for outdoor installation RAL quality mark for solar products The inverter complies with the requirements of the German Institute for Quality Assurance and La

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