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1. The yellow fault LED illuminates for 5 seconds when the fault occurs then begins displaying the blink code of 3 seconds off then 7 times briefly on This code is displayed three times in succession If the fault is still present the fault display starts again from the beginning The Sunny Boy Sunny Mini Central has detected a change in differential current and has immediately disconnected itself from the grid feed The inverter has an integrated universal differential current sensor that monitors the leakage current relative to earth between the inverter s grid connection and the solar generator This additional personal protection reacts to a jump in the differential current of Ion gt 30 mA and disconnects the Sunny Boy Sunny Mini Central from the grid within 0 2 seconds Operating Instructions SB_SMC 11 FE3206 Page 33 Operating modes of the inverter SMA Technologie AG Page 34 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Information on the display 5 Information on the display Sunny Boys and Sunny Mini Centrals have a factory installed LCD display on the cover Ihotovoltaik Stringwechselrichter otovoltaic string inverter and fault messages can be found in chapter 8 Measurement channels and Detailed explanations of the individual operational parameters error messages messages Page 49 5 1 Switching on the display illumination The background illumination is switched on by tapping on the lid
2. Page 19 Unit description SMA Technologie AG Page 20 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Operating modes of the inverter 4 Operating modes of the inverter The operating mode is displayed using three lightemitting diodes LEDs on the cover of the inverter and also via the integrated display see chapter 5 Information on the display Page 35 To allow the device to signal its operating mode via the 3 integrated LEDs the inverter must be connected to the DC side of the system There must be enough solar energy present so that the inverter has adequate DC voltage Betrieb Q Operation e Erdschluss Q Earth Fault St rung Q Failure attention to this display at various times of day and under various conditions of solar irradiation This allows the detection of hidden faults caused by the orientation or installation of the system and the assurance that the PV system is operating in accordance with the regulations Especially in the first year of operation the operator of the system should pay Qo A complete description of the possible LED displays can be found in chapter 4 4 Description of the operating modes Page 23 These can be split into three categories as described below Operating Instructions SB SMC 11 FE3206 Page 21 Operating modes of the inverter SMA Technologie AG 4 1 Normal operation If no LED or only the green control LED is on or blinking the inver
3. SMA Technologie AG Measurement channels and messages Name LDVtgC Description Compensation for the voltage drop in the cabling With this parameter the voltage drop between the inverter and the grid connection point is taken into account The average voltage over 10 minutes at the inverter connection must not exceed the sum of ACVigRPro plus LDVtgC The parameter LDVtgC is preset to O V for Germany In grid areas in which the additional surge voltage protection see parameter ACVtgRPro is not required the parameter LDVtgC is preset to 50V Thus the surge voltage protection is deactivated for these grid areas 253 V 50 V 303 V and only the fast cutoff via the Uac Max parameter intervenes Ni Test testcurrent Zac Setting the impulse for impedance monitoring 0 off This parameter only functions when the inverter is deactivated disconnection on the AC side or in Stop mode Inst Code Parameters for self contained power system recognition can only be changed after entering the SMA grid guard password KI Wind Reg Control factors in Turbine Mode Further information on this topic KP Wind Reg can be found in the Windy Boy instruction manuals Netzanschluss With this operating parameter it is possible to store information in the inverter regarding which phase the inverter is connected to This means that in the system overview it is easy to manage which inverter is installed at which
4. i me ac Nerndenebighinz Grid monitoring with ENS 04 99 Operating voltage range 119 250 V Nominal opgffing a fee Nenn Betriebsspannung Auffangleisung DC Nominal operating voltage 9Y d cupit power Max Eingangsstrom A Ausgangsleistung DC Max input current TA fox output power Boriabstemporaturbereich Max Ausgangssrom en er Neizletungskommunikaion opt Klasse 116 Netzueberwachung mit ENS VDE 0126 Powerline communication opt EN 50 065 AC Grid monitoring with ENS 04 99 Ger te Schutzart Enclosure Weitere wichige Informationen in der Technischen Beschreibung For more details see technical dencrplon DIN VDE 0126 1 1 Suny MET Hannoversche Stra e 1 5 Photovoltaik String Wechselrichter 34266 Niestetal Germany Photovoltaic string inverter Hotline 49 561 9522 499 Typ Serien Nummer woe _ SB 700 Serial Number 200011 S m DC M Beriebsponnung zov Ac irem Mit selbst iger Schalistelle nach VDE 0126 C Photovoltaic sting inverter Nominal operatngtogi C CT DC Berebspamng Dee NennBemiebshg uenz Wih disconnedion unit in acc 1 1 Operating voltage range 119 250 V HAC Nominal opina freque NennBetriebsspannung Nenn Augfangsleistung DC ominal operaing voltage S AC Nord output power Max Eingangsstrom J Ausgangsleistung DC Ma input current 7A fax output power 700 W Belriebslemperaturbereich Operating temperature range 25 60 d AL Max output current 35 ARMS Net
5. 0 5 V several solar cells are combined to form a solar module The most common material presently used for solar cells is silicon which is manufactured in different forms monocrystalline polycrystalline amorphous In addition to different mechanical variations that are usually designed to increase the level of efficiency completely new materials are currently being tested cadmium telluride cadmium indium sulphide titanium dioxide and many others Solar energy Sun energy i e energy from sunlight solar radiation Solar module A collection of individual solar cells in an enclosure that protects the sensitive cells from mechanical stresses and allows easy installation Stand alone grid system An energy generation system that is completely independent of any external grid String Describes a group of solar modules electrically connected in series String inverter An inverter concept that avoids the disadvantages of the central inverter concept The PV generator is split into individual strings each of which feeds the grid by means of its own string inverter This greatly simplifies installation and the yield losses caused by manufacturing deviations or variations in shadowing of the solar modules are greatly reduced Unbalanced load The difference between the power fed into the grid at the individual phase conductors In Germany this is not permitted to exceed a rated output of 4 6 kVA plus 10 overload so in total
6. AC Nominal output power 700 W Max Eingangsstrom Max Ausgangsleistung DC Max input current o AC Max output power 700 W Betriebstemperaturbereich Max Ausgangsstrom Operating temperature range 25 60 C AC Max output current 3 5 A RMS Netzleitungskommunikation opt Klasse 116 Netzueberwachung mit ENS VDE 0126 Powerline communication opt EN 50 065 AC Grid monitoring with ENS 04 99 Ger te Schutzart Enclosure C Weitere wichtige Informationen in der Technischen Beschreibung For more details see technical description Operating Instructions SB SMC 11 FE3206 Page 9 Foreword SMA Technologie AG Certificate for the independent grid disconnection device SMA grid guard On the type plate you can also identify which standard your inverter is certified is complying with i e which certificate applies for the independent grid disconnection device SMA grid guard in your inverter The following written information on your type plate denotes whether your inverter is certified in accordance with DIN VDE 0126 or other standards DIN VDE 0126 04 99 Sunny SA Doy EE Hannoversche Stra e 1 5 Photovoltaik String Wechselrichter 34266 Niestetal Germany Photovoltaic string inverter Hotline 49 561 9522 499 Typ Serien Nummer 270 tre _ SB 700 Said Nurbo 200011 2 SS Max Betriebsspannung 250V Nenn Betriebsspannung Netzueberwachung mit ENS VDE 0126 DC photovoltaic sting inverter AC Nominal operating AC
7. 1998 04 N EN 60146 1 1 1994 03 Utility Interference Immunity Safety Semiconductor Converter UUUUUUUUOUOI The above mentioned devices are therefore marked with a CE sign Note This declaration of conformity becomes invalid in case without explicit written confirmation by SMA when the product is modified complemented or changed and or components other than those belonging to the SMA accessories are installed in the product as well as in case of incorrect connection or inproper usage Niestetal 13 03 2006 SMA Technologie AG V gark Ger E V a iV Frank Greizer Head of Development Department Solar Technology SB K16A CE 12 BE1706 SMA Technologie AG Hannoversche Strasse 1 5 34266 Niestetal JA 14 Tel 49 561 9522 0 4 Fax 49 561 9522 100 AWA m www SMA de info SMA de Operating Instructions SB_SMC 11 FE3206 Page 69 Measurement channels and messages SMA Technologie AG N CE Declaration of Conformity eds for utility interactive inverters Product Sunny Boy Type SB 3300 SB 3800 SB 4200TL Multi String SB 4200TL HC Multi String SB 5000TL Multi String SB 5000TL HC Multi String We declare that the above specified devices are compliant with the regulations of the European Community in terms of the design and the version fabricated by SMA This especi ally applies for the EMC Regulation defined in 89 336 EWG and the low voltage regulation defined in 73 23 EWG The devi
8. 49 561 9522 4040 E Mail Info SMA de Freecall 800 SUNNYBOY Freecall 800 78669269 AA TENE 4 Innovation in Systems Technology Va for the Success of Photovoltaics
9. 5 kVA Operating Instructions SB_SMC 11 FE3206 Page 77 Glossary SMA Technologie AG Varistor In the Sunny Boy and Sunny Mini Central the varistors serve to guard against atmospheric overvoltages e g nearby lightning strikes They divert overvoltages in order to protect the electronics in the Sunny Boy or Sunny Mini Central During operation varistors are subject to a certain degree of ageing Varistors which have already been operating for a considerable period of time or have already needed to divert overvoltages become highly resistive Thermally monitored varistors detect increased temperature which suggests such ageing If one of the varistors is no longer functional the inverter triggers a fault message Page 78 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Contact 10 Contact If you have any questions or technical problems concerning your inverter please contact our service hotline Have the following information available when you contact SMA e Inverter type e Communication method e Type and number of modules connected Inverter s serial number nverter s blink code or display ALMT Address SMA Technologie AG Hannoversche Strasse 1 5 34266 Niestetal Germany Tel 49 561 95 22 499 Fax 49 561 95 22 4699 hotline SMA de www SMA de Operating Instructions SB_SMC 11 FE3206 Page 79 Contact SMA Technologie AG Page 80 SB_SMC 11 FE3206 Operating Instructions
10. Insulation fault or defective varistor 2 222222 Ee eee 27 Defective DE input sesso ex eo ee 27 ME To tt ae ata eine NEE EEE EO E TOO TR 28 Grid impedanee vu xe ere eden ee Bra 29 Input voltage PV generator too high 30 Device RE pon sarah 31 Leakage current too high xu ss GER Ha San EER OR N 32 Operating Instructions SB_SMC 11 FE3206 Page 3 Table of Contents SMA Technologie AG 4 4 15 5 5 1 5 2 5 3 5 3 1 5 3 2 5 3 3 6 7 7 1 7 1 1 7 1 2 7 1 3 7 2 7 2 1 7 3 7 4 7 5 7 6 7 7 7 8 8 1 8 2 8 3 8 3 1 8 4 8 5 Page 4 Changes in differential current o n nananana 33 Information on the display 35 Switching on the display illumination 35 Display messages in the startup phase 35 Display messages during operation 36 ea ARE 4d PERSA ES een 36 DC overvoltage saca do er een ody RE eke ek 37 SMA Power Balancer come 37 Maintenance and care eee 39 System monitoring ss ss ses eee renee 41 SUNNY Das rr Al Sunny Data via Powerline eee 42 Sunny Data over RS232 EE ES eee 42 sunny Data over RS4B3 cows RE DERE ERR S RR s 43 Sunny Beam x a cies abus sen ME TED OE AA Sunny Data Control over Sunny Beam 2 22 22220 AA Sunny Boy Control Light 22222222 45 Sunny Boy Control EE EE ee eee 45 Sunny Boy Control Plus ss nr p RES RAS 46 Sonny Data Control x e
11. Legal Restrictions SMA Technologie AG The information contained in this document is the property of SMA Technologie AG Publishing its content either partially or in full requires the written permision of SMA Technologie 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 Exclusion of liability The general terms and conditions of delivery of SMA Technologie AG shall apply The content of these documents is continually checked and amended where necessary However discrepancies cannot be excluded No guarantee is made for the completeness of these documents The latest version is available on the Internet at www SMA de or from the usual sales channels Guarantee or liability claims for damages of any kind are exlcuded if they are caused by one or more of the following Improper or inappropriate use of the product Operating the product in an unintended environment Operating the product whilst ignoring relevant statutory safety regulations in the deployment location Ignoring safety warnings and instructions contained in all documents relevant to the product Operating the product under incorrect safety or protection conditions Altering the product or supplied software without authority The product malfunctions due to operating attached or neighboring devices beyond statutory limit values In case of unforeseen calamity or
12. PowerGuard setting If outputs of over 5 kVA are to be fed in one phase it is usually necessary to construct a 3 phase system from 3 identical inverters This is imperative to avoid an unbalanced load between phases L1 L3 If one of the three inverters ceases to feed into the grid the other two inverters reduce their maximum output to 5 kVA Check the devices operational conditions and remove the fault More information on the SMA Power Balancer can be found in the Sunny Mini Central s installation manual Page 26 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Operating modes of the inverter 4 4 8 Insulation fault or defective varistor The red LED on the Sunny Boy Sunny Mini Central is continuously on With this blink code it is not relevant if the green or yellow LEDs shine or blink A grounding fault exists or one of the thermally monitored varistors on the DC input is defective as a result of overvoltage or ageing In this event only devices with transformers without TL in the device name continue to feed electricity not relevant green Betrieb Operation red The red LED is Erdschluss G continuously Earth Fault on yellow St rung Failure not relevant instructions can be found in the inverter s installation manual Consult trained electrical personnel to correct the fault Fault removal N 4 4 9 Defective DC input Sunny Boy Multi String The red LED blinks With this blink cod
13. Sunny Boy hotline to discuss further action L WR A grid relay is faulty The inverter checks the relays connecting it with the grid before feeding power into the grid If the relays are not functioning correctly the disconnection from the grid may not work properly so the inverter does not connect to the grid If this fault occurs repeatedly the inverter indicates a permanent restriction of operation You can attempt to remove the fault with the aid of a communication interface and the corresponding communication product e g PC with Sunny Data or Sunny Boy Control If this is unsuccessful consult the Sunny Boy hotline to discuss further action MWE Defekt DC Meas DC Internal measurement comparison fault or hardware defect Contact SMA if this fault occurs frequently Page 64 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages Fault code N Netz Description A grid relay is faulty The inverter checks the relays connecting it with the grid before feeding power into the grid If the relays are not functioning correctly the disconnection from the grid may not work properly so the inverter does not connect to the grid If this fault occurs repeatedly the inverter indicates a permanent restriction of operation You can attempt to remove the fault with the aid of a communication interface and the corresponding communication product e g PC wit
14. disconnects itself from the grid Check the grid current and the grid connection on the inverter If the grid voltage lies outside the acceptable range because of local grid conditions ask the electricity provider if the voltage can be adjusted at the feed in point or if they agree to changes in the values of the monitored operational limits operating parameters Uac Min and Uac Max If the grid voltage lies within an acceptable range yet Uac Bfr or Vac Srr faults are still being displayed contact the SMA hotline UDiff Fault in intermediate circuit Contact SMA if this fault occurs frequently Operating Instructions SB_SMC 11 FE3206 Page 67 Measurement channels and messages SMA Technologie AG Fault code Description Upv Max Overvoltage at DC input Immediately disconnect the inverter from the PV generators Otherwise the inverter may be damaged Check the configuration of your system and measure the DC voltage before reconnecting the inverter to the DC voltage Uzkposneg lt 10 Fault in auxilliary circuit Contact SMA if this fault occurs frequently UZWK Max The internal hardware monitor has detected an overvoltage condition in the intermediate circuit of the inverter Contact SMA if this fault occurs frequently Watchdog Fault in the program code flow monitoring Watchdog Srr Zac Bfr The grid impedance is no longer within the permissible range Bfr Zac S r or Srr is an interna
15. force majeure Software licensing The use of supplied software produced by SMA Technologie AG is subject to the following conditions This software may be copied for internal company purposes and may be installed on any number of computers Supplied source codes may be changed or adapted for internal company purposes on your own responsibility Drivers may also be transferred to other operating systems Source codes may only be published with the written permission of SMA Technologie AG Sub licensing of software is not permissible Limitation of liability SMA Technologie AG rejects any liability for direct or indirect damages arising from the use of software developed by SMA Technologie AG This also applies to the provision or non provision of support activities Supplied software not developed by SMA Technologie AG is subject to the respective licensing and liability agreements of the manufacturer Trademarks All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product or brand is not a registered trademark SMA Technologie AG Hannoversche Stra e 1 5 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E mail info SMA de 2005 SMA Technologie AG All rights reserved Page 81 SB_SMC 11 FE3206 Operating Instructions Sales Solar Technology SMA Technologie AG Hannoversche Strasse 1 5 34266 Niestetal Germany Tel 49 561 9522 4000 Fax
16. in the installation manual are not exceeded The energy from the two or three individual inputs is converted and fed into the grid by a combined inverter assembly Operating Instructions SB SMC 11 FE3206 Page 17 Unit description SMA Technologie AG 3 2 3 Connection area All connections are made on the underside of the inverter The AC connection is made with an AC plug or else the connection cable is fed through a cable opening in the inverter and connected to the AC terminals inside the device Example Sunny Boy SB 1100 Plug and socket connector for AC plug for the connection of the solar modules grid connection Opening for optional communication via RS232 RS485 or radio PG16 J Example Sunny Boy SB 5000TL HC Multi String Plug and socket connector for Cable opening for the connection of the solar modules grid connection Opening for optional communication via RS232 RS485 or radio PG16 The devices have one to four plug connector pairs for connecting the solar modules eO The number and alignment of DC connections varies for the various device types Page 18 SB SMC 11 FE3206 Operating Instructions SMA Technologie AG Example Sunny Boy SB 1100LV Cable opening for connection of the solar modules Unit description AC plug for the grid connection JP Opening for optional communication via RS232 RS485 or radio PG 16 Operating Instructions SB SMC 11 FE3206
17. the terminal clamps on the connection cable can also help Other measures can be taken to correct this problem but they require the aproval of the electricity supplier Operating Instructions SB_SMC 1 1 FE3206 Page 29 Operating modes of the inverter SMA Technologie AG 4 4 12 Input voltage PV generator too high green Betrieb Operation red The yellow LED illuminates four times in Ee ie quick succession ar au yellow y ovx x St rung e Failure 3s ls Is Is s The code is repeated three times then begins again The yellow fault LED illuminates for 5 seconds when the fault occurs and then begins displaying the blink code of 3 seconds off then 4 times briefly on This code is displayed three times in succession If the fault is still present the fault display starts again from the beginning The voltage of the PV generator exceeds the inverter s permissible input voltage Mini Central The presence of excessive input voltage can lead to irreparable damage N Immediately disconnect the PV generator from the Sunny Boy Sunny Page 30 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Operating modes of the inverter 4 4 13 Device fault green Betrieb Operation red The yellow LED illuminates Erdschluss five times in quick succession Earth Fault yellow yov X 74 4 St rung Failure 3s 1s ls ls ls The code is repeated three times then begins again The
18. this fault occurs repeatedly the inverter indicates a permanent restriction of operation You can attempt to remove the fault with the aid of a communication interface and the corresponding communication product e g PC with Sunny Data or Sunny Boy Control If this is unsuccessful consult the Sunny Boy hotline to discuss further action dl Test Fault in the leakage current measurement Contact SMA if this fault occurs frequently dZac Bfr dZac Srr The changes in grid impedance exceed the permissible range Bfr or Srr is an internal message that has no meaning for the user For reasons of safety the inverter disconnects itself from the grid If possible check the grid impedance and check how often major deviations occur If repeated frequency variations occur and this is causing dZac Bfr or dZac Srr faults ask the electricity provider if they agree to a modification of the operating parameters dZac Max Discuss the proposed parameter changes with the SMA hotline Page 62 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages Fault code Description EEPROM A data transfer fault occurred during reading or writing of data from the EEPROM the data is not relevant for safe operation this fault has no effect on performance EEPROM dBh Data EEPROM is defective the device has switched itself off because the loss of data has disabled import
19. yellow fault LED illuminates for 5 seconds when the fault occurs and then begins displaying the blink code of 3 seconds off then 5 times briefly on This code is displayed three times in succession If the fault is still present the fault display starts again from the beginning If the device fault leads to a major reduction in normal operation the inverter and the entire system installation should be checked by an AN electrician You must take particular care that devices without transformers with TL in the device name are correctly grounded Operating Instructions SB_SMC 11 FE3206 Page 31 Operating modes of the inverter SMA Technologie AG 4 4 14 Leakage current too high green Betrieb Operation red The yellow LED illuminates six Erdschluss times in quick succession Earth Fault yellow yyy ww 7a St rung Q Failure 3s 1s ls Is Is 1s 1s The code is repeated three times then begins again The Leakage current too high fault can only occur in transformerless inverters Inverters without transformers can be identified by their full name the TL in the name stands for transformerless e g Sunny Boy SB 5000TL HC Multi String The yellow fault LED illuminates for 5 seconds when the fault occurs then begins displaying the blink code of 3 seconds off then 6 times briefly on This code is displayed three times in succession If the fault is still present the fault display starts again from the begin
20. A Power Balancer has detected a fault see also chapter 5 3 3 SMA Power Balancer Page 37 Check if a general grid dropout has occurred check the operation of other electrical consumer devices check that the fuses in the feed in connections of the inverter are undamaged and check if the automatic cutout is switched on If none of these faults can be found have the grid connection of the Sunny A Boy Sunny Mini Central checked by qualified electrical personnel Page 28 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Operating modes of the inverter 4 4 11 Grid impedance green Betrieb Operation en red The yellow LED illuminates three rascniuss EG EQUI Q times in quick SUCCESSION yellow ds St rung Failure O 3s Ils The code is repeated three times then begins again The yellow fault LED illuminates for 5 seconds when the fault occurs and then begins displaying the blink code of 3 seconds off then 3 times briefly on This code is displayed three times in succession If the fault is still present the fault display starts again from the beginning The inverter has detected a fault relating to an unacceptable impedance in the grid If the inverter frequently displays this fault during grid monitoring the cause can be a grid impedance that is too high An electrician can usually assist with this problem by increasing the cross section of the grid connection cable Tightening
21. Sunny Boy and Sunny Mini Central Solar Inverters for Photovoltaic Plants Version 1 5 SB_SMC 11 FE3206 TBE ALL Operating Instructions SMA Technologie AG Table of Contents Table of Contents 1 1 1 1 2 1 3 2 3 3 1 3 2 3 2 1 3 2 2 3 2 3 4 4 1 4 2 4 3 4 4 4 4 1 4 4 2 4 4 3 4 4 4 4 4 5 4 4 6 4 4 7 4 4 8 4 4 9 4 4 10 4 4 11 4 4 12 4 4 13 4 4 14 Foreword ss vir bed Ses eee as sands neas 7 Target group urged seg doe a EE BEER EE PR St 7 Explanation of the symbols used 8 Identification of the inverter 2 22222200 9 Safety instructions eee ee eee 11 Unit description 5 sanieren 13 Appropriate usage eee ee ee 13 Construction of inverters 00000 14 Principle of the string inverter 2 2 0 0 esses 15 Principle of the Multi String inverter 0 0005 17 CCORBeeIIOR OFGO a pan ee RR ER RR 18 Operating modes of the inverter 21 Normal operation llle 22 Critical faulty operation 2 222 2222222 22 Nonccritical faulty operation llus 23 Description of the operating modes 23 Overnight shutdown sis se ER ER a Rx Rex HORE a 29 Intiallzetian idea dent tope plo er KERR ei s 29 Waiting grid monitoring iue ee RE ER yw ET ER 24 Working mode sso tora deo ed ek eee eee kee 24 DIOP TTC ARE OIE Ge eee Re 25 Permanent disable 2 44 SE EG ERGER SERE REA ERR EE 25 BEE AO en Ber 26
22. The inverter disconnects to allow compliance with the voltage quality of the grid Check the grid voltage at the connection point of the Sunny Boys and or Sunny Mini Centrals If due to the local grid conditions the grid voltage increases to 253 V or more ask the electricity provider whether the voltage at the feed in point can be adjusted or whether they agree to an alteration of the threshold value ACVtgRPro operating parameter ACVtgRPro for voltage quality monitoring If the grid voltage is continuously within the acceptable range yet the ACVtgRPro fault is still displayed contact the SMA hotline Bfr Srr Internal measurement comparison fault or hardware defect Contact SMA if this fault occurs frequently CAN Internal communications fault Contact SMA if this fault occurs frequently DCBFS Startup Internal communications fault Contact SMA if this fault occurs frequently DC A def A string input is faulty Contact SMA if this fault is displayed DC B def DC C def DCBFS Version DC BFS has the wrong firmware version Contact SMA if this fault is displayed Delta Bfr Srr Internal measurement comparison fault or hardware defect Contact SMA if this fault occurs frequently Operating Instructions SB_SMC 11 FE3206 Page 61 Measurement channels and messages SMA Technologie AG Fault code Derating Description Once the inverter enters the Derating mode it displays the Derating war
23. age your system but energy is lost If this message is regularly displayed ask your installation engineer to check your system Derating WR Overtemperature in the inverter WR or in the performance Der T WR electronics The Sunny Boy Sunny Mini Central reduces its output to prevent the device from overheating To avoid unnecessary yield Derating DC flosses the configuration and string size should be checked Check Der T DC if the inverter can be installed in a better position with better ventilation With fan devices check the fans for dirt A detailed description of how to clean the fans can be found in the installation manual of the respective device Fehler A fault has been detected see chapter 8 4 Fault messages Page Error 61 I Konst Constant current operation the input current of the PV system is set to a specified desired value the inverter is not operating in MPP I Const f mode In some cases this can be set as the operating mode MPP The Sunny Boy Sunny Mini Central is operating in MPP mode It extracts the highest possible output from the PV generator MPP is the standard display when operating with normal sunshine Mpp Peak The inverter is operating in MPP mode above its rated capacity Netzueb Testing the grid status relay test etc grid mon This message appears during the startup phase before the Sunny grid monitoring Boy or Sunny Mini Central is conn
24. and disconnected itself from the grid In the event of a grid fault this Sunny Mini Central also immediately disconnects itself from the grid in order to prevent an unbalanced load In the event of a device fault the fault message is sent to the other two devices with a delay of 5 minutes After the 5 minutes have passed the other two devices disconnect themselves from the grid With the aid of chapter 8 4 Fault messages Page 61 check which fault occurred in the first inverter and proceed as recommended in that chapter Page 52 SB SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages Message Derating Description Overtemperature in the inverter The Sunny Boy Sunny Mini Central reduces its performance to prevent the device from overheating To avoid unnecessary yield losses the configuration and string size should be checked Check whether the Sunny Boy or Sunny Mini Central can be located in a better position with better ventilation thus enabling sufficient heat dissipation With fan devices check the fans for dirt A detailed description of how to clean the fans e g of the Sunny Boy SB 3800 or the Sunny Mini Central SMC 6000A can be found in the installation manual of the respective device Derating Idc derat Idc Der Idc An overcurrent condition is present on the DC side of the inverter The inverter reduces the output power This status does not dam
25. ant functions of the inverter Contact SMA EeRestore One of the duplicate data sets in the EEPROM is defective and has been reconstructed without loss of data Fac Bfr The grid frequency is no longer within the permissible range Bfr TOMUS or Srr is an internal message that has no meaning for the user For reasons of safety the Sunny Boy Sunny Mini Central disconnects itself from the grid Check the grid frequency and the grid connection on the inverter If the grid frequency lies outside the permissible range because of local conditions ask the electricity provider if they agree to a modification of the operating parameters Fac delta and Fac deltat IF the grid frequency lies within an acceptable range yet Fac Bfr or Fac Srr faults are still being displayed contact the SMA hotline lac DC Offs Srr The DC component of the electricity fed into the grid is no longer within the permissible range For reasons of safety the inverter disconnects itself from the grid If the grid current is outside the permissible range due to local grid conditions contact the local electricity provider for assistance IF the grid current lies within the acceptable range yet the lac DC OffsSSrr fault is still being displayed contact the SMA hotline IGBTs The internal hardware monitoring has detected a fault in the power electronics Contact SMA if this fault occurs frequently Imax Overcurrent on the AC side This fault c
26. bine mode the inverter follows a pre defined V I characteristic curve for the conversion of DC current from wind turbines Details are to be found in the Windy Boy documentation N PV systems must not be operated in Turbine mode Page 24 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG 4 4 5 Stop The inverter is in Stop mode Among other functions the measurement electronics are calibrated and then finally the device switches to Waiting mode The Stop mode can also be manually set by the system operator via the Sunny Boy Control or the Sunny Data PC program In this case the inverter remains in Stop mode until a new operating mode MPP mode V Const mode has been set 4 4 6 Permanent disable In the event of a recurring fault the inverter switches from Working mode to Permanent restriction of operation mode A fault may exist that cannot be resolved on site You can attempt to remove the fault with the aid of a communication interface and the corresponding communication product e g PC with Sunny Data or Sunny Boy Control If this is unsuccessful consult the Sunny Boy hotline chapter 10 Contact Page 79 to discuss further action to solve the problem Operating Instructions Operating modes of the inverter reen ws PET ELA Operation red m Erdschluss The green LED Earth Fault EIE blinks three times ello St rung y per second Failure green Betrieb g Operat
27. ces are compliant with the following standards EMC Emission DIN EN 61000 6 3 2002 08 DIN EN 61000 6 4 2002 08 DIN EN 55022 2003 09 Class B Utility Interference DIN EN 61000 3 11 2001 04 DIN EN 61000 3 12 2004 06 Draft Immunity DIN EN 61000 6 1 2002 08 DIN EN 61000 6 2 2002 08 Safety DIN EN 50178 1998 04 Semiconductor Converter DIN EN 60146 1 1 1994 03 The above mentioned devices are therefore marked with a CE sign Note This declaration of conformity becomes invalid in case without explicit written confirmation by SMA the product is modified complemented or changed and or components other than those belonging to the SMA accessories are installed in the product as well as in case of incorrect connection or inproper usage Niestetal 13 03 2006 SMA Technologie AG L V an L amp MA20 i V Frank Greizer Head of Development Department Solar Technology SB G16A CE 12 BE1706 SMA Technologie AG Hannoversche Strasse 1 5 34266 Niestetal Tel 49 561 9522 0 Fax 49 561 9522 100 Jj 4 www SMA de A A P n info SMA de Page 70 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages Sunny CE Declaration of Conformity Central for utility interactive inverters Product Sunny Mini Central Type SMC 5000 SMC 5000A SMC 6000 SMC 6000A SMC 6000TL SMC 7000TL SMC 8000TL We declare that the above specified devices are compliant with the regulati
28. chanical stresses and allows easy installation PV system Describes the complete collection of components needed for the acquisition and utilization of solar energy As well as the PV generator this also includes the Sunny Boy or Sunny Mini Central for example in the case of grid coupled systems SMA grid guard Part of an independent disconnection device for electrical power units This is a mandatory safety device that prevents power from a solar energy system being fed into a deactivated grid when the external power generators are not functioning In the Sunny Boy Sunny Mini Central this function is assumed by the SMA grid guard Page 76 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Glossary SMA Power Balancer The SMA Power Balancer refers to a circuit connection of three Sunny Mini Centrals to a 3 phase low voltage grid This circuit connection is used to prevent unbalanced loads between two phases as specitied by the electrical power units on the low voltage grid VDEW guideline The installation engineer can use the PowerBalancer parameter to stipulate whether in the event of an inverter fault an unbalanced load is to be avoided by deactivation of the other two inverters or by limiting their power to an average of 5 kVA over 10 minutes Solar cell An electronic component that generates electrical energy when irradiated with sunlight Since the voltage produced by a solar cell is very small approx
29. chen einer Eigenerzeugungsanlage und dem Niederspannungsnetz Gleichwertiger Ersatz f r eine jederzeit dem VNB zug ngliche Schaltstelle mit Trennfunktion Pr fgrundlage DIN V VDE V 0126 1 1 Selbstt tige Schaltstelle zwischen einer netzparallelen 2006 02 Erzeugungsanlage und dem ffentlichen Niederspannungsnetz Das Sicherheitskonzept des 0 9 Erzeugnisses entspricht den zum Zeitpunkt der Ausstellung dieser Bescheinigung geltenden sicherheitstechnischen Anforderungen f r die aufgef hrte bestimmungsgem e Verwendung Die Unbedenklichkeitsbescheinigung wird sp testens 31 12 2010 ung ltig CAD Mehlem Leiter der Pr f und Zertifizierungsstelle In chapter 1 3 Identification of the inverter Page 9 it is explained which SMA grid guard certificate applies to your inverter Operating Instructions SB_SMC 11 FE3206 Page 73 Measurement channels and messages SMA Technologie AG Page 74 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Glossary 9 Glossary AC Abbreviation for Alternating Current Central inverter An inverter concept in which all PV modules are connected to each other in series and or parallel and which uses a single inverter for feeding energy into the external grid DC Abbreviation for Direct Current Derating A controlled reduction in performance usually dependent on component temperatures Compared with the normal process of completely shutting down the device the ef
30. cific parameter settings for Germany in accordance with DIN VDE 0126 1 1 SP RD1663 country specific parameter settings for Spain AUS AS4777 country specific parameter settings for Australia IT DK5950 country specific parameter settings for Italy GB G83 country specific parameter settings for Great Britain Other here parameter settings can be defined for countries for which no predefined setting exists Trimmed if country specific parameters have been changed trimmed is shown in the display Off_Grid setting for inverters which are operated in a stand alone grid More detailed information can be found in the Sunny Island manual dFac Max Maximum grid frequency change before the grid monitoring system disconnects the device from the grid dZac Max Maximum grid impedance change before the grid monitoring system disconnects the device from the grid Fac delta Maximum frequency above Fac delta and below Fac delta the Ser grid frequency of 50 or 60 Hz before the grid monitoring system disconnects the device from the grid Fac LimitDelta Fac StartDelta For setting the frequency dependent output derating in the operating mode Off Grid Further information on this topic can be found in the Sunny Island instruction manual Fan Test If you set the Fan Test parameter to 1 you can check whether the fan is functioning only for fan devices Page 56 SB_SMC 11 FE3206 Operating Instructions
31. cription Indicates the currently active operating mode of the Sunny Mini Central which is set via the operating parameter PowerBalancer di Leakage current of the PV system inverter and PV generator E Total Total amount of feed in energy E Total DC A Total amount of feed in energy from string A Multi String inverters only E Total DC B Total amount of feed in energy from string B Multi String inverters only E Total DC C Total amount of feed in energy from string C Multi String inverters only Event Cnt The number of events recorded since the last reset Fac Grid frequency Fehler Identification of the present fault error Error Fehler Cnt The number of faults recorded since the last reset Error Cnt h On Total hours of operation h Total Total hours of grid feed in operation h Total DC A Total feed in operational hours of string A Multi String inverters only h Total DC B Total feed in operational hours of string B Multi String inverters only h Total DC C Total feed in operational hours of string C Multi String inverters only Operating Instructions SB_SMC 11 FE3206 Page 49 Measurement channels and messages SMA Technologie AG Measurement Description channel lac Ist Grid current Ipv DC current Netz Ein Total number of grid switch ons Power on Pac Instantaneous AC power Phase The phase to which the
32. e it is not relevant if the green or yellow LEDs are on of off At least one of the DC inputs is defective green not relevant Betrieb Operation red Erdschluss o css LED Earth Fault INKS yellow Storung C Failure not relevant see chapter 10 Contact Page 79 to discuss further action A fault has occurred which can no longer be resolved on site Consult SMA Operating Instructions SB SMC 11 FE3206 Page 27 Operating modes of the inverter SMA Technologie AG 4 4 10 Grid fault reen Betrieb g Operation red The yellow LED illuminates Erdschluss twice in quick succession Earth Fault l yellow y v St rung Failure 3s Ils The code is repeated three times and then begins again The yellow fault LED illuminates for 5 seconds when the fault occurs and then begins displaying the blink code of 3 seconds off then twice briefly on This code is displayed three times in succession If the fault is still present the fault display starts again from the beginning With this message the inverter indicates a grid fault which can have the following causes e Low grid voltage Uac lt Uac Min High grid voltage Uac gt Uac Max e Low grid frequency fac lt Fac Min e High grid frequency fac gt Fac Max e A change in grid frequency dFac e Faulty grid connection e g N and L swapped e n systems which consist of three or more Sunny Mini Centrals the SM
33. e mode Balanced in which the output is reduced to 5 kVA over a 10 minute average The display message changes depending on the output which the inverter can feed into the grid Thus for example it can occur that the inverter operates in one of the two modes for several minutes before returning to the other mode Phase Guard If an inverter in PhaseGuard mode indicates a grid voltage fault and disconnects from the grid the other two inverters indicate the PowerBalance fault and also disconnect from the grid Both devices subsequently switch to Balanced status see also chapter 8 2 Status messages Page 52 Fault Guard If an inverter in FaultGuard mode indicates a grid voltage fault and disconnects from the grid the other two inverters indicate the PowerBalance fault and also disconnect from the grid Both devices subsequently switch to Balanced status see also chapter 8 2 Status messages Page 52 If an inverter in FaultGuard mode indicates a device fault and disconnects from the grid the other two inverters indicate the PowerBalance fault 5 minutes later and also disconnect from the grid Both devices subsequently switch to Balanced status see also chapter 8 2 Status messages Page 52 Off In Off mode the SMA Power Balancer is deactivated Operations are thus not influenced by the SMA Power Balancer The operating mode of the SMA Power Balancer is indicated during the startup phase see chapt
34. ected to the grid The message usually appears in the morning and evening when there is little solar irradiation Grid monitoring is also performed after the occurrence of a fault Operating Instructions SB_SMC 11 FE3206 Page 53 Measurement channels and messages SMA Technologie AG Message Description Off Grid The inverter is in Island mode This mode is specially conceived for operation in a stand alone grid with a Sunny Island as network controller More information about this topic can be obtained from the Sunny Island operating manual under the category Droop Mode Offset Offset compensation of the measurement electronics Riso Measurement of the insulation resistance of the PV system St rung Fault see Fault messages table Stoer This fault occurs for reasons of safety and prevents the Sunny Boy denk Sunny Mini Central from connecting to the grid isturb disturbance Stop Interruption of operation after a fault This status can also be set manually Turbine Mode The inverter is in Turbine mode This mode is specially conceived for use with wind energy systems Further information on this topic can be found in the Windy Boy instruction manuals U Konst Constant voltage operation the input voltage of the PV system is set V Const to a specitied desired value the inverter is not operating in MPP mode In some cases this can be set as the operating mode War
35. ection to a PC Connection also possible via modem Internet display with SDC agent Visualization with Sunny Data Control PEEL LI Internet display with Data analysis with Excel The connection between the PC and the 7 Sunny Boy Control can occur via modem if required Large systems with more than 50 inverters can be monitored by coupling several Sunny Boy Controls together Operating Instructions SB SMC 11 FE3206 Page 47 System monitoring SMA Technologie AG 7 7 Sunny WebBox The Sunny WebBox is a versatile inexpensive platform for system visualization directly on a PC or via the Internet using the Sunny Portal Telephone connection RS485 RS232 Powerline 7 8 Sunny Portal The Sunny Portal is a high performance interface from SMA for the monitoring and presentation of your system in the Internet Details can be obtained from the Sunny Family catalog or directly at www SUNNY PORTAL com Page 48 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages 8 Measurement channels and messages If your inverter is equipped with a communications component then numerous measurement channels and messages can be transmitted The following abbreviations apply BFR SRR Operation control unit Current control unit 8 1 Measurment channels Measurement channel Balancer Des
36. ective device If the display or the status LEDs are so dirty that they can no longer be seen then they can be cleaned with a damp cloth Solvents abrasives or corrosive liquids must not be used Operating Instructions SB_SMC 11 FE3206 Page 39 Maintenance and care SMA Technologie AG Page 40 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG System monitoring 7 System monitoring A PV system with inverters from the Sunny Family can be monitored in different ways SMA offers a range of products for this purpose allowing you to install a tailor made monitoring system for your PV system If you require detailed information request the Sunny Family catalog or visit www SMA de In the following sections the currently available communications options are schematically described 7 1 Sunny Data Sunny Data is a PC program for direct monitoring of your system The connection of Sunny Boys or Sunny Mini Centrals to the PC is described in the following sections Operating Instructions SB_SMC 11 FE3206 Page 41 System monitoring SMA Technologie AG 7 1 1 Sunny Data via Powerline Communication via the grid power line up to 50 SMA inverters Requirements the inverters must be equipped with a Powerline Piggy Back and the PC must have an SWR COM or SWR COM USB plug modem The connection to a PC via the SWR COM or SWR COM USB is described in the documentation for the SWR COM SWR COM USB SWR COM PC with pl
37. er 5 2 Display messages in the startup phase Page 35 Page 38 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Maintenance and care 6 Maintenance and care To enable the Sunny Boy Sunny Mini Central to be used outdoors in places that are difficult to access the inverters have been constructed for low maintenance To guarantee safe operation it is usually adequate to check the device visually for damage approximately every two months It should also be checked as to whether the green LED is illuminated for indoor installation The Sunny Boy SB 2800i is not designed for installation outdoors It is only suitable However in the interests of maximum yield the operator should check weekly if possible under various conditions of solar irradiation if the inverter s displays indicate plausible normal operation see chapter 4 4 Description of the operating modes Page 23 Naturally this information can also be obtained by using one of the communications options Cleaning the inverter is only necessary if the heat dissipation is limited by dirty handle covers fan gills dirty fans dirty heatsinks or a dirty space between the Sunny Boy Sunny Mini Central and the wall The dirt should be carefully removed with an appropriate soft brush or paintbrush A detailed description of how to clean the fans e g of the Sunny Boy SB 3800 or the Sunny Mini Central SMC 6000A can be found in the installation manual of the resp
38. erating point with the maximum power output Operating Instructions SB_SMC 11 FE3206 Page 75 Glossary SMA Technologie AG Multi String inverter An inverter that combines the advantages of several string inverters separate MPP trackers for the individual strings and a central inverter lower performance specific costs NLM Abbreviation for Netzleitungsmodem Powerline modem The communication between SMA inverters and the monitoring devices can be made with a cable or wireless link but also via grid communication In the NLM system a carrier frequency of approx 132 kHz is modulated onto the AC cables and the data is then transferred using FSK Frequency Shift Keying of this carrier signal Details on the NLM can be found e g in the technical description of the SWR COM PLC Abbreviation for Powerline Communication describes the process of data transfer over the grid supply cables The PLC power module is used to amplify the signal and is installed in Multi String inverters and Sunny Mini Centrals SMC 5000 and SMC 6000 PV Abbreviation for Photovoltaic describes the conversion of solar energy into electrical energy PV generator Technical device for the conversion of light energy into electrical energy This normally also describes all installed and electrically connected solar modules in a PV system PV module A collection of individual solar cells in an enclosure that protects the sensitive cells from me
39. fect on the external power network is smaller with derating Grid coupled system A PV system that is connected to the supply grid of an external energy supplier Grid impedance The grid impedance is a characteristic grid specification which is determined by the grid s infrastructure as well as by the number of power suppliers and power consumers If supply to the grid section drops out due to a grid shutdown on the part of the adjacent supplier medium voltage transformer the grid impedance changes abruptly In order to detect this occurrence and to prevent an unwanted stand alone grid SMA grid guard measures the grid impedance and disconnects the inverter from the grid in the event of a jump in impedance Inverter A device for converting the direct current DC from the PV generator into alternating current AC which is used by most normal household devices and especially for feeding energy into an existing supply grid Inverters for PV systems usually contain one or more MPP trackers Maximum Power Point MPP The operational point current voltage of the PV generator at which the highest possible performance under the prevailing conditions is achieved The actual MPP changes constantly depending e g on the level of solar irradiation and the cell temperature MPP tracker A device that adjusts the voltage and current of a PV generator so that it is operated at its Maximum Power Point The Maximum Power Point is the op
40. h Sunny Data or Sunny Boy Control If this is unsuccessful consult the Sunny Boy hotline to discuss further action A grid relay is faulty The inverter checks the relays connecting it with the grid before feeding power into the grid If the relays are not functioning correctly the disconnection from the grid may not work properly so the inverter does not connect to the grid If this fault occurs repeatedly the inverter indicates a permanent restriction of operation You can attempt to remove the fault with the aid of a communication interface and the corresponding communication product e g PC with Sunny Data or Sunny Boy Control If this is unsuccessful consult the Sunny Boy hotline to discuss further action NUW dl Internal measurement comparison fault or hardware defect Contact SMA if this fault occurs frequently NUW FAC MSD Fac Internal measurement comparison fault or hardware defect Contact SMA if this fault occurs frequently NUW UAC MSD Vac Internal measurement comparison fault or hardware defect Contact SMA if this fault occurs frequently NUW Timeout MSD Timeout Internal measurement comparison fault or hardware defect Contact SMA if this fault occurs frequently NUW ZAC MSD Zac Internal measurement comparison fault or hardware defect Contact SMA if this fault occurs frequently Offset Fault in the acquisition of measurement data Contact SMA if t
41. his fault occurs frequently Operating Instructions SB_SMC 11 FE3206 Page 65 Measurement channels and messages SMA Technologie AG Fault code PowerBalance Description The Sunny Mini Central is part of a three phase system with two further Sunny Mini Centrals and equipped with the SMA Power Balancer for prevention of unbalanced loads The operating parameter PowerBalancer is setto PhaseGuard or FaultGuard In the PhaseGuard operating mode one of the three Sunny Mini Centrals in this system has detected a grid fault and disconnected itself from the grid The two other inverters receive a message and for a short period display the PowerBalance fault before switching to Balanced status In the FaultGuard operating mode one of the three Sunny Mini Centrals in this system has detected either a device fault or a grid fault and disconnected itself from the grid In the event of a device fault the two other inverters receive the fault message after a delay of 5 minutes then for a short period display the PowerBalance fault before switching to Balanced status In the event of a grid fault the two other inverters immediately receive a fault message and for a short period display the PowerBalance fault before switching to Balanced status more information on the Balanced status can be found in chapter 8 2 Status messages Page 52 Rechner Functional fault in one of the
42. i Centrals are equipped with the independent disconnection device SMA grid guard and are covered by the industrial trade association SMA grid guard certificate DIN VDE 0126 04 99 SMA Regelsysteme GmbH Hannoversche Stra e 1 5 34266 Niestetal UB 010 17 V 30 08 2004 Unbedenklichkeitsbescheinigung Erzeugnis Selbstt tig wirkende Freischaltstelle Typ SMA grid guard Bestimmungsgem e Verwendung Parallelbetrieb von Photovoltaikanlagen am EVU Niederspannungsnetz Pr fgrundlagen E DIN VDE 0126 Selbstt tige Freischaltstelle f r Photovoltaikanlagen einer 04 99 Nennleistung lt 4 6 kVA und einphasiger Paralleleinspeisung ber Wechselrichter in das Netz der ffentlichen Versorgung Die elektrische Sicherheit o g Erzeugnisse entspricht den zum Zeitpunkt der Ausstellung dieser Bescheinigung geltenden Bestimmungen Die Unbedenklichkeitsbescheinigung gilt befristet bis 31 12 2007 CES Martin Mehlem Leiter der Pr f und Zertifizierungsstelle Page 72 SB SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages DIN VDE 0126 1 1 SMA Technologie AG Hannoversche Stra e 1 5 34266 Niestetal UB 010 17 V d 6312 25 01 2006 Unbedenklichkeitsbescheinigung Erzeugnis Selbstt tig wirkende Schaltstelle ENS Typ SMA grid guard Version 2 Bestimmungsgem e Verwendung Selbstt tig wirkende dem VNB unzug ngliche Schaltstelle als Sicherheitsschnittstelle zwis
43. ile prevents the parameters from being stored in the EEPROM the parameters are only stored until the next restart T Max Fan Temperature for the maximum fan speed T Start The period the inverter waits after the Upv Start value has been reached T Start Fan The fan starts to run at minimum speed at this temperature p P T Stop The period the inverter waits before disconnecting from the grid when Pac drops below the set value T Stop Fan If after a temperature increase the inverter cools down to below this threshold value the fan switches itself off again Uac Min Lower Uac Min and upper Uac Max limits of the allowable AC Vac Min voltage self contained power system recognition before the grid monitoring system disconnects the device from the grid Uac Max Vac Max UdcWindMax Parameters for adjusting the inverter in Turbine Mode Further UdcWindMid information on this topic can be found in the Windy Boy instruction manuals UdcWindStart Upv Start The DC voltage required before the inverter begins feeding power into the grid Usoll Konst PV desired voltage for constant operational voltage These parameters are only important when the Betriebsart parameter is set to U konst V Const Zac Max Maximum grid impedance before the grid monitoring system disconnects the device from the grid Operating Instructions SB_SMC 11 FE3206 Page 59 Measurement channels and messages SMA Technologie AG 8 3 1 Non modifiab
44. inverter is connected The phase L1 L3 is set via the operating parameter Netzanschluss PPV DC A PV generator output string A Multi String inverters only PPV DC B PV generator output string B Multi String inverters only PPV DC C PV generator output string C Multi String inverters only Riso Insulation resistance of the PV system to the grid connection Erdschluss Earthfault Seriennummer Serial number Inverter s serial number Status Display of the current operating mode State Uac Grid voltage Vac Ufan Fan supply voltage only in inverters with an active cooling system U Fan Upv Ist PV input voltage Vpv Upv lst DC A PV input voltage string A Multi String inverters only Vpv DCA Upv Ist DC B PV input voltage string B Multi String inverters only Vpv DC B Upv Ist DC C PV input voltage string C Multi String inverters only Vpv DC C Page 50 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages Measurement Description channel Upv Soll PV voltage Vpv Setpoint Upv Soll DC A PV voltage string A Multi String inverters only Upv Soll DCB PV voltage string B Multi String inverters only Upv Soll DC C PV voltage string C Multi String inverters only Zac Grid impedance Operating Instructions SB_SMC 11 FE3206 Page 51 Measurement channels and messages SMA Techno
45. ion red Erdschluss Earth Fault The yellow LED yellow St rung x is continuously Failure on SB SMC 11 FE3206 Page 25 Operating modes of the inverter SMA Technologie AG 4 4 7 Derating The Derating operating mode is a green normal operating mode which may occur Betrieb N 1 1 1 occasionally and can have several Operation red ls causes Erdschluss Temperature derating Saril all Wales The green LED r y goes out briefly The temperature monitoring of the inverter St rung O Failure once per has reduced the output performance to second prevent the device from overheating The inverter enters the Temperature derating mode If the Sunny Boy Sunny Mini Central switches to this operating mode often you should check the heat dissipation and install the inverter in a more suitable position with better ventilation If the unit is a Sunny Mini Central Sunny Boy SB 3800 SB 3300 or SB 2800i check whether the fans are dirty Fan cleaning is described in the respective installation manual Current derating Due to the module type or the generator output and wiring the PV side input current exceeds the maximum possible input current The inverter switches to the Current derating mode in order to protect itself against overload Check the system design Output derating This operating mode only occurs in systems which are operated using the Sunny Mini Central with the integrated SMA Power Balancer in the
46. l message that has no meaning for the user For reasons of safety the inverter disconnects itself from the grid The impedance is calculated from the grid impedance and the impedance of the grid connection cable AC cable of the inverter Check the grid impedance and grid connection on the inverter Use a grid connection cable with an adequate cross section low impedance observe the advice to this effect in the installation manual This fault may also be rectified by tightening the AC fuse If the fault continues to occur contact SMA to discuss further action Page 68 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages 8 5 Declaration of conformity CE CE Declaration of Conformity for utility interactive inverters Product Sunny Boy Type SB 700 SB 1100 SB 1100LV SB 1700 SB 2100TL SB 2500 SB 2800i SB 3000 SB 3300TL SB 3300TL HC We declare that the above specified devices are compliant with the regulations of the European Community in terms of the design and the version fabricated by SMA This especially applies for the EMC Regulation defined in 89 336 EWG and the LV regulation defined in 73 23 EWG The devices are compliant with the following standards EMC Emission N EN 61000 6 3 2002 08 N EN 61000 6 4 2002 08 N EN 55022 2003 09 Class B N EN 61000 3 3 2002 05 N EN 61000 3 2 2001 12 N EN 61000 6 1 2002 08 N EN 61000 6 2 2002 08 N EN 50178
47. le parameters The following parameters are displayed in the parameter list but cannot be changed Name Description Fac Pderating Freguency dependent output limitation Fac Tavg Averaging time of grid frequency gaging Hardware BFS Hardware version of the operation control unit BFR Plimit Upper limit for AC output power SMA SN Inverter s serial number Software BFR Firmware version of the operation control unit BFR Software SRR Firmware version of the current control unit SRR Uac Tavg Averaging time of grid frequency gaging Page 60 SB SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages 8 4 Fault messages If a fault develops the Sunny Boys and Sunny Mini Centrals generate a message the nature of which depends on the operating mode and the type of fault Fault code IPV Overvoltage IDisconnect DC Description Overvoltage at DC input Immediately disconnect the inverter from the PV generators Otherwise the inverter may be damaged Check the configuration of your system and measure the DC voltage before reconnecting the inverter to the DC voltage ACVtgRPro The average grid voltage over 10 minutes is no longer within the permissible range This can be due to either of the following reasons e The grid voltage at the connection point is too high e The grid impedance at the connection point is too high
48. logie AG 8 2 Status messages Sunny Boys and Sunny Mini Centrals produce a range of status messages depending on the mode in which they are currently operating The status messages can vary depending on the type of communication which you use Message Balanced Description The Sunny Mini Central has disconnected itself from the grid or is limiting its output to 5 kVA over a 10 minute average The Sunny Mini Central is part of a three phase system with two further Sunny Mini Centrals and equipped with the SMA Power Balancer for prevention of unbalanced loads The Balanced message is displayed as a result of the following Case 1 The operating parameter PowerBalancer is set to PhaseGuard One of the three Sunny Mini Centrals in this system has indicated a grid fault and disconnected itself from the grid Thus this Sunny Mini Central also disconnects itself from the grid in order to prevent an unbalanced load Case 2 The operating parameter PowerBalancer is set to PowerGuard One of the three Sunny Mini Centrals in this system has detected a device fault or grid fault and disconnected itself from the grid The two remaining Sunny Mini Centrals reduce their output to 5 kVA over a 10 minute average in order to prevent an unbalanced load Case 3 The operating parameter PowerBalancer is set to FaultGuard One of the three Sunny Mini Centrals in this system has indicated a device fault or grid fault
49. lternative Antilslanding process which is deactivated for Germany Antilsland Freq Repetition rate of the Antilsland process alternative Antilslanding process which is deactivated for Germany Betriebsart Operating Mode Operating mode of the Sunny Boy Sunny Mini Central MPP Maximum Power Point UKonst V Const constant voltage mode desired voltage is defined in Usoll Konst Vconst Setpoint IKonst I Const operating mode for test purposes Stop disconnection from grid no operation Turbine Mode operating mode for wind energy systems Off Grid operating mode for inverters in a stand alone grid Operating Instructions SB_SMC 11 FE3206 Page 55 Measurement channels and messages SMA Technologie AG Name Description Control Current regulation switching If the operating parameter Control is set to Auto the inverter automatically chooses the optimal type of current regulation If the operating parameter Control is set to Grid the inverter regulates on the grid side If set to Bridge the inverter regulates on the bridge side This setting can be a corrective measure in the event of difficult grid characteristics Discuss the alteration of this parameter with the SMA hotline Default Used for setting the country specific information GER ENS country specific parameter settings for Germany in accordance with DIN VDE 0126 4 99 GER VDEO126 1 1 country spe
50. made between a device fault and a grid voltage fault In the event of a device fault the fault message is sent to the other two devices with a delay of 5 minutes After the 5 minutes have passed the other two devices disconnect themselves from the grid In the event of a grid voltage fault all devices immediately disconnect from the grid Pmax Output limitation of the inverter P Wind Mid Parameters for adjusting the inverter in Turbine Mode Further P Wind Ram information on this topic can be found in the Windy Boy instruction P manuals Ripple Ct Frg The Ripple Ctl Frq Ripple Ctl Lev Ripple CH Rcvr parameters are Ripple CtLLev intended to handle ripple control signals from the SMA inverters Ripple Ctl Rcvr These parameters are not available for all inverters These parameters may only be changed after prior agreement with SMA Technologie AG Speicherfunktion Memory function Default Parameter returns all parameter values to the factory settings Reset Betriebsdaten returns all user level parameter values to the factory settings Reset Fehler resets a permanent fault Page 58 SB SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages Name Description Storage Permanent modified parameters are stored in the EEPROM and can Store be used even when the inverter has been restarted Volat
51. mbols used o This symbol identifies an example eo This symbol identifies a notice where failure to follow the advice will make the procedure or operation more difficult damage to components or danger to persons Please read these sections especially carefully This symbol indicates a fact that when not observed could result in Page 8 SB SMC 11 FE3206 Operating Instructions SMA Technologie AG Foreword 1 3 Identification of the inverter You can identify the inverter with the aid of the type plate see figure below The type plate is usually found on the right hand side of the enclosure when viewed from the front On the Sunny Boy SB 2800i and the Multi String devices the type plate is found on the underside of the device The type plate contains information regarding the device type serial number device specific key data the CE mark and SMA contact information The following is an example of a Sunny Boy SB 700 type plate Device Type Serial Number MS AA SMA Technologie AG Hannoversche Stra e 1 5 34266 Niestetal Germany Hotline 49 561 9522 499 Typ Serien Nummer w SB700 Zum 2000116870 Max Betriebsspannung NennBetriebsspannung DC Photovoltaic string inverter 250 V AC Nominal operating voltage 230 V Betriebsspannungsbereich NennBetriebsfrequenz DC Operating voltage range 119 250 v AC Nominal operating frequency 7A NennBetriebsspannung Nenn Ausgangsleistung DC Nominal operating voltage BOY
52. ning The leakage current of the inverter and the PV generator is too high The Sunny Boy Sunny Mini Central immediately stops feeding the grid as soon as the limit has been reached then automatically resumes normal operation when the fault is no longer present The leakage current is dependent on the capacity ofthe PV generator relative to ground and depends equally on the type of modules and manner of installation as well as the weather conditions A variation of this value over time is therefore normal If however the inverter frequently displays this fault notify the installation engineer who installed your PV system and clarify the reasons for the high level of leakage current A PE connection to the inverter that is not connected can also cause this fault message Have your installation engineer check this Page 32 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Operating modes of the inverter 4 4 15 Changes in differential current reen Betrieb g l Operation red The yellow LED illuminates EE e seven times in quick succession ar au yellow ov X ow aaa St rung Failure 3s 1s Is 1s Is ls ls The code is repeated three times then begins again inverters Inverters without transformers can be identified by their full name the TL in the name stands for transformerless e g Sunny Boy SB 5000TL HC Multi String The Changes in differential current fault can only occur in transformerless
53. ning until the device is completely switched off in the evening Further information on this fault message can be found in chapter 4 4 7 Derating Page 26 dFac Bfr dFac Srr The changes in grid frequency exceed the permissible range Bfr or Srr is an internal message that has no meaning for the user For reasons of safety the inverter disconnects itself from the grid If possible check the grid frequency and check how often major deviations occur If repeated frequency variations occur and this is causing dFac Bfr or dFac Srr faults ask the electricity provider if they agree to a modification of the operating parameters dFac Max Discuss the proposed parameters with the SMA hotline dl Bfr dl Srr The inverter has detected a drastic change in the leakage current This fault only occurs in transformerless inverters that have no galvanic isolation from the grid The integrated leakage current monitoring is an important component for providing personal safety The cause for a drastic change in the leakage current can be a sudden grounding fault fault current or an actual fault in the device The inverter disconnects itself from the grid If the dI Bfr or dl Srr fault messages occur without obvious reason consult a qualified electrician and ask them to check your system for correct insulation and a possible ground fault dl Mess Deviation in the leakage current measurement leakage current If
54. nstallation manual for the particular inverter must be observed indicated in this chapter Other modes of usage can cause the device to be damaged or to become completely inoperable and can mean that the guarantee no longer applies If you have questions regarding the proper usage of the Sunny Boy or Sunny Mini Central contact the Sunny Boy hotline Do not use the Sunny Boy Sunny Mini Central for purposes other than those Principle of a grid connected solar energy system with a string inverter N i Ad VON SS NV LES Photovoltaic modules Sunny Boy Electricity grid Principle of a grid connected solar energy system with a Multi String inverter String A String B er y HA W RZ i I Photovoltaic Sunny Boy SS modules Multi String Electricity grid Operating Instructions SB_SMC 11 FE3206 Page 13 Unit description SMA Technologie AG Principle of a grid connected solar energy system with Sunny Mini Central inverters Distributor Electricity grid Photovoltaic Sunny Mini modules Central 3 2 Construction of inverters An attractive functional design is one of the major objectives ofthe entire SMA product range The basic configuration of the Sunny Boy Sunny Mini Central includes the status display consisting of three LEDs which has proven to be highl
55. ode is displayed ifthe current in the AC network is larger than specified Check your system configuration and the grid conditions Imax DC Overcurrent in the DC circuit of the Sunny Boy Multi String The inverter is experiencing a current that lies above the specified value for the DC circuit This is caused by excessive current on the DC input Check your system configuration Operating Instructions SB_SMC 11 FE3206 Page 63 Measurement channels and messages SMA Technologie AG Fault code K1 Schliess K1 Close K1 Trenn K1 Open Description Fault during relay test Please contact SMA if this fault occurs often or repeatedly Kom DC BFS Internal communications fault Contact SMA if this fault occurs frequently L lt gt N L and N are swapped on the AC connection Ask an installation engineer to check the system L Netz A grid relay is faulty The inverter checks the relays connecting it with the grid before feeding power into the grid If the relays are not functioning correctly the disconnection from the grid may not work properly so the inverter does not connect to the grid If this fault occurs repeatedly the inverter indicates a permanent restriction of operation You can attempt to remove the fault with the aid of a communication interface and the corresponding communication product e g PC with Sunny Data or Sunny Boy Control If this is unsuccessful consult the
56. of the enclosure Tapping again switches the display to the next message After 2 minutes the illumination switches off automatically 5 2 Display messages in the startup phase After startup of the inverter the display shows the device type After 6 seconds the firmware version of the operation control unit BFR and the current control unit SRR are displayed Inverters which are equipped with the SMA Power Balancer subsequently indicate the operating mode of the SMA Power Balancer Operating Instructions SB_SMC 11 FE3206 Page 35 Information on the display SMA Technologie AG 5 3 Display messages during operation The display shows the most important operational information of the inverter in a continuous cycle The following five diagrams serve to clarify the messages Each message is displayed for 5 seconds Then the cycle begins again The energy generated today and the current operating mode are displayed first Finally the present feed in performance and voltage of the solar generator are displayed With Multi String inverters the input voltage of each of the two or three input strings is displayed as illustrated to the right With Multi String inverters this is then followed by the input power of the two or three input strings This is then followed by the total energy produced so far and the operational hours of the device 5 3 1 Fault displays If an operational fault develops the display immediately
57. on between Sunny Boy Control and Sunny Boys Sunny Mini Centrals can be made in the following ways Powerline communication via the grid power line Requirements all inverters must be equipped with a Powerline Piggy Back The installation is described in detail in the Sunny Boy Control documentation Sunny Boy Control Powerline Sunny Mini Centrals cannot communicate via Powerline o Operating Instructions SB SMC 11 FE3206 Page 45 System monitoring SMA Technologie AG RS485 communication via a cable Requirements all inverters must be equipped with an RS485 Piggy Back the Sunny Boy Control must be equipped with an RS485 Piggy Back at the COMI Sunny Boy interface The installation is described in detail in the Sunny Boy Control documentation Sunny Boy Control max 1200 m 7 5 Sunny Boy Control Plus The data logger for PV systems with up to 50 inverters an additional interface for connection to a PC or large display and additional connection possibilities for digital and analog inputs and outputs Requirements see chapter 7 4 Sunny Boy Control Page 45 Page 46 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG System monitoring 7 6 Sunny Data Control This is a PC program for system monitoring and visualization on a PC for systems with a Sunny Boy Control Requirements PV system with Sunny Boy Control Sunny Boy Control Plus Sunny Boy Control Light or Sunny Beam with a conn
58. ons of the European Community in terms of the design and the version fabricated by SMA This especially applies for the EMC Regulation defined in 89 336 EWG and the low voltage regulation defined in 73 23 EWG The devices are compliant with the following standards EMC Emission DIN EN 61000 6 3 2002 08 DIN EN 61000 6 4 2002 08 DIN EN 55022 2003 09 Class B DIN EN 61000 3 11 2001 04 Utility Interference DIN EN 61000 3 12 2004 06 Draft Immunity DIN EN 61000 6 1 2002 08 DIN EN 61000 6 2 2002 08 Safety DIN EN 50178 1998 04 Semiconductor Converter DIN EN 60146 1 1 1994 03 The above mentioned devices are therefore marked with a CE sign Note This declaration of conformity becomes invalid in case the product is modified complemented or changed and or components other than those belonging to the SMA accessories are installed in the product as well as in case of incorrect connection or inproper usage without explicit written confirmation by SMA Niestetal 13 03 2006 SMA Technologie AG i Vy fank Greier iV Frank Greizer V Head of Development Department Solar Technology SMC CE 12BE1106 SMA Technologie AG Hannoversche Stra e 1 5 34266 Niestetal Tel 49 561 9522 0 Ti Fax 49 561 9522 100 eli y www SMA de A A P info SMA de Operating Instructions SB_SMC 11 FE3206 Page 71 Measurement channels and messages SMA Technologie AG 8 6 Clean report of findings Sunny Boys and Sunny Min
59. osure IP65 outdoor installation possible MPP Step up SMA grid guard tracking converter Optional communica DC input with 2 x 2 connectors tions inter fi face RS232 RS485 Powerline radio Page 16 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Unit description 3 2 2 Principle of the Multi String inverter The Multi String inverter is conceived for use with photovoltaic systems having different strings As illustrated below each DC connection of the Sunny Boy SB 5000TL HC Multi String is allocated to a separate MPP Maximum Power Point tracker Block circuit diagram of a Multi String inverter Sunny Boy SB 5000TL HC enclosure IP65 outdoor installation possible j MPP Step up Pi tracking converter SMA grid guard MPP Step up tracking converter AC output with terminals o DC input with 3 x 2 connectors Optional communi cations inter face RS232 RS485 Powerline radio Depending on the device configuration up to three independent strings of a PV generator can be connected to a Multi String inverter Since each individual input has its own MPP tracker the strings may differ in respect to the type of modules used and their alignment Even the specified current voltage and power ratings of the individual strings may vary as long as the limits specified
60. phase NiTest Activation and deactivation of the self contained power system recognition by impedance monitoring 0 off 1 on This parameter only functions when the inverter is deactivated disconnection on the AC side or in Stop mode Operating Instructions SB_SMC 11 FE3206 Page 57 Measurement channels and messages SMA Technologie AG Name PowerBalancer Description Operating mode of the SMA Power Balancer for prevention of unbalanced loads in 3 phase systems with Sunny Mini Centrals The SMA Power Balancer has four operating modes Off the SMA Power Balancer is deactivated In the event of a device fault or grid voltage fault at an inverter only this inverter is disconnected from the grid and the other two devices continue to run at an undiminished power level PowerGuard operating mode in which there is no distinction made between a device fault and a grid voltage fault The relevant device disconnects itself from the grid while the other two inverters limit their output to 5 kVA over a 10 minute average PhaseGuard operating mode in which a distinction is made between a device fault and a grid voltage fault In the event of a device fault at the first Sunny Mini Central the other two inverters continue to operate without reducing their output In the event of a grid voltage fault all devices immediately disconnect from the grid FaultGuard operating mode in which a distinction is
61. r has detected an overcurrent on the AC side It disconnects itself from the grid for safety reasons then attempts to reconnect itself to the grid Contact SMA if this fault occurs frequently SD WR Bruecke The inverter has detected a fault in the power electronics It disconnects itself from the grid then attempts to reconnect itself to the grid Contact SMA if this fault occurs frequently Shutdown Temporary inverter fault Trafo Temp F The transformer has reached an unacceptably high temperature The inverter stops feeding the grid until the temperature lies within the acceptable range If this fault occurs frequently check the heat dissipation of the device Trafo Temp W If the transformer reaches an unacceptably high temperature the inverter stops feeding the grid until the transformer has reached an acceptable temperature and the system can begin feeding the grid again The Trafo Temp W warning is displayed until the next time the device is completely switched off at the end of the day Check the heat dissipation of the inverter Uac Bfr Vac Bfr Uac Srr Vac Srr The grid current is no longer within the permissible range Bfr or Srr is an internal message that has no meaning for the user The Uac fault can have the following causes e Grid disconnected circuit breaker or fuse e Broken AC cable or e AC cable has a high internal resistance For reasons of safety the inverter
62. rs comply with all the VDEW Verband der Elektrizit tswirtschaft German Electricity Industry Association regulations for the connection and parallel operation of electrical power units to the low voltage grid of the electricity supply company This also encompasses the regulations of the German Professional Association for Precision Engineering and Electrotechnology relating to Automatic switching of electrical power units and or DIN VDE 0126 In addition to this the inverter conforms to the electromagnetic tolerance regulations and the low voltage regulations of the relevant combined European norms as confirmed in the CE conformity declaration see chapter 8 5 Declaration of conformity CE Page 69 1 1 Target group This documentation is intended for the operator of the system The documentation provided here primarily covers such topics that are of interest when operating the inverter In addition to explanations of the operational methods of the device advice as to data capture and analysis is also provided Information relating to the installation and commission of the inverter should be taken from the installation manual delivered with the device The installation manual also contains detailed device specific technical data Operating Instructions SB_SMC 1 1 FE3206 Page 7 Foreword SMA Technologie AG 1 2 Explanation of the symbols used To ensure optimum use of these instructions please note the following explanation of sy
63. ss a xor ES oO ES 47 Sunny VVebBOX iacu c proe aX E Ree eg 48 Sunny Portal su 4 re SE RR ESE EER HER 48 Measurement channels and messages 49 Measurment channels 2 cc 49 Status messages naunau rer 52 Operating parameters oana anaana aaa 55 Non modifiable parameters aonana aaaea 60 Fault messages Saas ans nenne 61 Declaration of conformity CE 69 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG 8 6 Clean report of findings 22222222 72 9 Glossary ORE AE N ETER OR 10 Contact exa Re EE OR EE ON Operating Instructions SB_SMC 11 FE3206 Page 5 SMA Technologie AG Page 6 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Foreword 1 Foreword Warning The Sunny Boy and Sunny Mini Central may only be installed by trained AN specialists Installation engineers must be approved by the local energy supplier Please read the installation manual thoroughly All prescribed safety regulations the technical connection requirements TCR of the local energy supplier and all VDEW regulations must be adhered to With the purchase of a Sunny Boy or Sunny Mini Central you have decided on a technically mature device which is currently the most advanced modular PV system technology available for connecting photovoltaic systems to the grid SMA inverters distinguish themselves particularly by means of their high levels of efficiency and reliability These inverte
64. stance of the Sunny Beam from the system is 30 m within a building and 100m outdoors The installation of the radio Piggy Back is described in the Sunny Beam user manual p With the Sunny Beam the inverter parameters cannot be altered Sunny Beam 7 2 1 Sunny Data Control over Sunny Beam Communication with a PC over Sunny Beam up to 4 Sunny Boys or Sunny Mini Centrals Requirements all 4 inverters must be equipped with a radio Piggy Back and be accessible to Sunny Beam for system monitoring The maximum distance of the Sunny Beam from the system is 30 m within a building and 100 m outdoors The Sunny Beam is connected to the PC via a USB cable The installation of the radio Piggy Backs and the connection to the PC is described in the Sunny Beam user manual Sunny Beam PC with A A S Sunny Data EN pda Page 44 SB SMC 11 FE3206 Operating Instructions SMA Technologie AG System monitoring 7 3 Sunny Boy Control Light The simple data logger for PV systems with up to 10 inverters The connection between the Sunny Boy Control Light and the inverters occurs via Powerline Requirements the inverters must be equipped with a Powerline Piggy Back The installation is described in detail in the Sunny Boy Control Light documentation Sunny Boy Control Light Powerline Sunny Mini Centrals cannot communicate via Powerline o 7 4 Sunny Boy Control The data logger for PV systems with up to 50 SMA inverters The connecti
65. switches to Fault and the background illumination is switched on The cause of the fault is displayed for 5 seconds in the second line of the display If a measured value is responsible for the fault condition then the value measured at the time of the fault is displayed If another measurement is possible the present value is displayed in the second line After another 5 seconds normal operational information is again displayed If the fault is still present the fault display starts again from the beginning An overview of the status messages and error messages can be found in chapter 8 Measurement channels and messages Page 49 of this document Error ROM indicates that the inverter has recognized a fault in the EEPROM firmware Contact SMA to have the fault corrected Page 36 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Information on the display 5 3 2 DC overvoltage IF an excessive DC input voltage is present at the Sunny Boy Sunny Mini Central then this is indicated by rapid E blinking of the background illumination and a corresponding message Immediately disconnect the PV generator from the Sunny Boy Sunny Mini Central The presence of excessive input voltage can lead to irreparable damage Before returning the device into operation the open circuit voltage of the PV generator must be checked by an electrician 5 3 3 SMA Power Balancer The display messages described in this chapter onl
66. ten The switch on conditions are not yet satisfied waiting Page 54 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages 8 3 Operating parameters Unauthorized changes to the operating parameters may result in A injury or accidents as a result of changing the internal safety routines in the Sunny Boy Sunny Mini Central e voiding the operating approval certificate of the Sunny Boy Sunny Mini Central voiding the guarantee of the Sunny Boy Sunny Mini Central Never change the parameters of your Sunny Boy Sunny Mini Central without express authorization and instructions Name ACVigRPro Description Surge voltage protection only relevant for Germany Sunny Boys and Sunny Mini Centrals can feed into the public grid with up to 260 V AC However DIN VDE 0126 1 1 stipulates that the average AC voltage over 10 minutes must not exceed 253 V If the average over 10 minutes exceeds the threshold value of 253 V the inverter disconnects itself from the grid Once the average over 10 minutes returns to a value of less than 253 V the inverter returns to Working mode If surge voltage protection is not required in the relevant grid area outside Germany it can be deactivated by means of presetting the LDVtgC parameter In this event only the fast cut off via the Uac Max parameter intervenes Antilsland Ampl Amplification of the Antilsland process a
67. ter is operating normally The simultaneous illumination of all three LEDs is also an indication of normal operation Initialization All other displays are a sign of abnormal operation 4 2 Critical faulty operation A comprehensive safety concept has limited the number of critical conditions that can occur fo one single situation PV generator voltage is too high This is indicated by the following blink code on the yellow LED reen Betrieb s Operation red The yellow LED illuminates Erdschluss e four times in quick succession Earth Fault yellow vy Ww x St rung e Failure The message is repeated three times and then begins again The yellow fault LED illuminates for 5 seconds when the fault occurs and then begins displaying the blink code of 3 seconds off and then 4 times briefly on This code is displayed three times in succession If the fault is still present the fault display starts again from the beginning Immediately disconnect the PV generator from the inverter The presence of excessive input voltage can lead to irreparable damage Page 22 SB SMC 11 FE3206 Operating Instructions SMA Technologie AG Operating modes of the inverter 4 3 Non critical faulty operation All other fault codes indicate some form of faulty operation which is not usually dangerous to people or equipment but which should nevertheless be investigated and corrected Despite all precautions it is possible that other faul
68. toring The inverter checks if the initial conditions green necessary for feeding the grid are Betrieb j Operation satisfied e g start voltage start time and red ls then begins monitoring the grid The PV Erdschluss Oo The green LED voltage must reach the specified minimum Earth Fault blinks once per value at least once before the inverter yellow second begins feeding into the grid pee allure 4 4 4 Working mode The inverter has passed the self tests of the green measurement electronics and grid Betrieb k itori i i Operation a is now in normal grid P red The green eed operation Erdschluss oO LED is on Earth Fault yellow St rung Failure MPP mode standard setting Here the inverter automatically determines the MPP voltage of the solar generator which is defined in the internal regulation system as the desired PV voltage In MPP mode the point of maximum feed in performance Pac is set by adjustment of the desired PV voltage on the solar generator Constant voltage mode The operating mode V Const can be manually set by the system operator via the Sunny Boy Control or the Sunny Data PC program In V Const mode the Sunny Boy Sunny Mini Central uses an externally defined desired PV voltage as the basis for internal regulation Turbine mode The operating mode Turbine can be manually set by the system operator via the Sunny Boy Control or the Sunny Data PC program In Tur
69. ts may occur that cannot be displayed e g failure of the status display In order to detect such faults the operator of the system should use the explanations in the following chapter to check the plausibility of the displayed mode e g an illuminated green LED in the middle of the night indicates a fault as well as no illuminated LED on a sunny day Further detailed diagnoses are possible using the communications options detailed in chapter 7 System monitoring Page 41 4 4 Description of the operating modes 4 4 1 Overnight shutdown The inverter is in the so called overnight green shutdown mode This situation occurs Betrieb when the inverter s input voltage is too low Operation edi for feeding the grid and for satisfying he uch All LEDs on board power requirements Ea ah Foul lt are off a au If this operating mode occurs during the yellow day on a sunny day have the PV voltage ace checked by an installation engineer 4 4 2 Initialization The inverter s on board computer is green presently in the initialization phase The Betrieb on board energy supply is present but Operation redi there is insufficient energy for feeding the 1 11 G All LEDs grid and data communication is also not Earth Fault are on currently possible yellow St rung Operating Instructions Failure SB_SMC 11 FE3206 Page 23 Operating modes of the inverter SMA Technologie AG 4 4 3 Waiting grid moni
70. two microcontrollers Please contact MSD Timeout SMA if this fault occurs often or repeatedly Relais 1 A grid relay is faulty The inverter checks the relays connecting it with Relais 2 the grid before feeding power into the grid If the grid relays do not Relais 3 function properly the inverter cannot connect itself to the grid Relais 4 If this fault occurs repeatedly the inverter indicates a permanent restriction of operation You can attempt to remove the fault with the aid of a communication interface and the corresponding communication product e g PC with Sunny Data or Sunny Boy Control If this is unsuccessful consult the Sunny Boy hotline to discuss further action Riso The electrical insulation between the PV system and ground is faulty The resistance between the DC plus and or DC minus connection Erdschluss h f ERBE and the ground is outside the defined limit range Earthfault Have a qualified electrician check your system for correct insulation and a possible ground fault ROM The inverter s firmware is faulty Contact SMA if this fault occurs frequently Page 66 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Measurement channels and messages Fault code SD DI Wandler Description The inverter has detected an insulation fault on the DC side Have a qualified electrician check your system for correct insulation and a possible ground fault SD Imax Overcurrent The inverte
71. ug modem Sunny Data SWR COM USB PC with plug modem Sunny Data Sunny Mini Centrals cannot communicate via Powerline 7 1 2 Sunny Data over R 232 Communication via a cable one SMA inverter Requirements the inverter must be equipped with an RS232 Piggy Back the connection to the PC usually occurs directly via the COM1 or COM2 port of the PC The installation of the RS232 cable is described in the inverter s installation manual PC with Page 42 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG System monitoring 7 1 3 Sunny Data over RS485 Communication via a cable up to 50 SMA inverters Requirements all inverters must be equipped with an RS485 Piggy Back the connection with the PC usually occurs via an RS485 RS232 interface converter connected to the COMI or COM2 port or via an RS485 USB interface converter connected to the USB port The installation of the RS485 cable is described in the Sunny Data installation manual Interface PC with converter Sunny Data RS485 RS232 max 1200 m Interface PC with converter Sunny Data RS485 USB max 1200 m Operating Instructions SB_SMC 1 1 FE3206 Page 43 System monitoring SMA Technologie AG 7 2 Sunny Beam Simple wireless system monitoring for up t0 4 SMA inverters Requirements the inverters must be equipped with a radio Piggy Back and a Sunny Beam must be present at an appropriate distance The maximum di
72. y occur in systems which are operated using the Sunny Mini Central with the integrated SMA Power Balancer If outputs of over 5 kVA are to be fed in one phase it is usually necessary to construct a 3 phase system from three identical inverters This is imperative to avoid an unbalanced load between phases L1 13 In order to also prevent an unbalanced load in the event of a fault in one of the three devices the integrated SMA Power Balancer depending on the configuration ensures that the other two devices either deactivate or reduce their output to 5 kVA over a 10 minute average Furthermore the SMA Power Balancer can be operated in four different modes which are described on the next page All the Sunny Mini Centrals must be operated in the same mode Operating Instructions SB_SMC 11 FE3206 Page 37 Information on the display SMA Technologie AG Power Guard If an inverter in PowerGuard mode indicates a device fault or grid fault and disconnects from the grid the other two inverters reduce their output to 5 kVA over a 10 minute average Depending on the output which the inverter feeds into the grid it shows two different display messages If the inverter s output is under 5 kVA the mode MPP is displayed If the power output exceeds 5 kVA over a 10 minute average the inverter reduces its output correspondingly in order to prevent an unbalanced load When this occurs the display message switches from the mode MPP to th
73. y reliable as well as a plain text display A deliberate decision has been made to avoid the use of controls on the device Fine tuning of the device to align it with the solar energy system is not necessary If this is specifically desired because of special system conditions then one of the optional communications interfaces is required This also allows the current operational data to be recorded on a PC using a special program This is described in more detail in chapter 7 System monitoring Page 41 Page 14 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Unit description 3 2 1 Principle of the string inverter The string inverter is used to connect a small number of series connected solar modules strings to the public grid A larger solar generator can also be constructed from a number of individual strings with each having its own string inverter The energy is then combined on the AC side Block circuit diagram of a string inverter with transformer MPP grid guard tracking Bridge Transformer Optional communica tions interface RS232 RS485 Powerline radio DC input with 2 x 2 connectors The Sunny Boy SB 2800i is an indoor inverter It is protection class IP21 and is o only suitable for installation indoors Operating Instructions SB SMC 11 FE3206 Page 15 Unit description SMA Technologie AG Block circuit diagram of a string inverter without transformer Sunny Boy SB 2100TL encl
74. zeitungskommunikaton opt Klasse 116 Mi sebsiiger Schiele rach Powerline communication opt EN so 065 AC wih dscomecion unt in acc Ger te Schutzart Enclosure Weitere wichtige Informationen in der Technischen Beschreibung For more details see technical description Page 10 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Safety instructions 2 Safety instructions Opening of the inverter and any electrical installation AN repair or modification of the inverter may only be performed by qualified electrical personnel Even when no external voltage is present the device can still contain high voltages particular the temperature of the heatsink s can reach a temperature of over 60 C in normal operation There is the danger of burn injury when these parts are touched The temperature of individual parts of the enclosure of the inverter in N Operating Instructions SB_SMC 11 FE3206 Page 11 Safety instructions SMA Technologie AG Page 12 SB_SMC 11 FE3206 Operating Instructions SMA Technologie AG Unit description 3 Unit description 3 1 Appropriate usage The Sunny Boy Sunny Mini Central allows photovoltaic solar energy to be converted and fed into a 220 240 V 50 Hz low voltage grid Some SMA inverters can also be operated on a 60 Hz grid More precise information on this subject and on your device can be found in the installation manual The operational limits specified in the i

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