Sunny Boy 1100E Technical Description
Contents
1. 3 Connect the grid With sufficient power from the PV panel the Sunny Boy should now start automati cally feeding the grid SB1100E 11 EE5000 47 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 6 System Monitoring and Diagnosis 6 1 Data Transmission via Powerline Signal transmission between the Sunny Boy and the Sunny Boy Control or the PC is done with the grid connection via Powerline This requires a minimum of installation see below The Sunny Boy must be equipped with a Powerline modem for data transmission The PC must be equipped with the socket modem SWR COM This is already integrated in the Sunny Boy Control the specific controller for PV plants The PC or the Sunny Boy Control can be positioned anywhere within the in house net work as they acquire data directly from the AC circuit For trouble free operation the Sunny Boys and the PC socket modem or the Sunny Boy Control must be connected to the same phase of the in house network If the communicating partners are connected to different phases the communication must be established with a so called phase coupling device The phase coupling device is available from SMA and must be installed by qualified personnel It will make com munication within the entire in house network possible Sunny Boy Sunny Boy Sunny Boy Powerline Sunny Boy Control Sunny Boy Sunny Boy Sunny Boy Powerline SWR COM PC Sunny Boy Sunny Bo2. PC with Sunny Data Control for Windows together with a Sunny Boy Control Communication based on one of the above concepts supports the following func tions Continuous acquisition of operation data of all connected Sunny Boys Supervision of operating states and failure indication Spot value transmission from one or several selected Sunny Boys Identification of failures in the single strings Graphical representation of the data from single Sunny Boys or comparison of the data of several ones Modification of operation parameters to optimise the entire plant SB1100E 11 EE5000 10 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 2 3 Technical design of the Sunny Boy 1100E The Sunny Boy inverter is based on a power unit that operates with a very high effi ciency and optimal reliability A IGBT bridge converts the direct voltage coming from the PV modules to a high frequency AC secondary circuit with 16 kHz The voltage is then fed to the grid after being processed by a toroidal core current transformer Z Utility m PV String Surge Voltage Protection A EE mn En mien ns Fig 2 1 Block circuit diagram of the Sunny Boy 1100E The PV input voltage range of the Sunny Boy 1100E is designed for up to 16 PV modules with 36 to 40 cells each The current fed to the grid is perfectly sinus shaped and has a very low harmonic dis tortion
3. internal isolation around pair optional twisted pair 2 x 0 25 mm twisted pair 2 x 0 25 mm common shield around both pairs Fig 6 5 Cross section of the recommended RS485 cable SB1100E 11 EE5000 53 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description What do you need for RS485 communication a special RS485 Piggy Back module and appropriate cable glands for all Sunny Boys e the light blue resistors Fig 6 6 on the system control board are removed if connected to a PC The interface converter RSU485 ordering no 39 0020 is available Sunny Data visualization software is installed on the PC Some PCs have a 25 pole COM port In this case a small adapter ordering no 39 5010 may be necessary SB1100E 11 EE5000 54 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description PC Sunny Boy Control with DB 25 Plug in Socket Sunny Boy 485 COM1 or COM2 a or A _ gt RS485 RS232 Interface converter SUB D 9 pin to SUB D 25 pin No 39 0020 ed Sunny Boy Control Plug in DB9 PC with interface converter Socket DB9 1 Sunny Boy MOSR15 SP Resistors under the Piggy Back module must be removed Jumpers not mounted connect shield to case PE 12345678 9 10 2 Sunny Boy MOSR15 SP Resistors under the Piggy Back module must be remo
4. 0 0 5 0 O O Operation mode Mpp mode Installer 0 Memory function Installer Table 9 1 Parameter list Sunny Boy 1100E me cal a These parameters can be subject to change due to improvement of the device SB1100E 11 EE5000 73 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 10 Appendix Certificates for the Sunny Boy 1100E SMA Declaration of Conformity for the Sunny Boy 1100E Clean Report of Findings for MSD in the Sunny Boy 1100E SB1100E 11 EE5000 74 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description SB1100E 11 EE5000 75 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description SB1100E 11 EE5000 76 EN SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Information about SMA Further Literature about the Sunny Boy inverter family e User Manual Sunny Boy 700 850 e User Manual Sunny Boy 2500 e User Manual Sunny Boy 2000 e User Manual Sunny Data e User Manual Sunny Data Control e User Manual Sunny Boy Control e User Manual SWR COM Socket Powerline Modem e Sunny Boy Info periodical newsletter with up to date information on the Sunny Boy e SMA CD products technical documentation driver e Manual Improved Powerline communication with the Sunny Boy Family This literature can be ordered from SMA for a small fee most of this although is available free of charge for download from WWW SMA DE SB1100E 11 EE5000 7f SMA Regel
5. inverters and the subsequent connection to the electricity grid in the house distribution Here the electricity from the PV modules provides all consumers with electric power household devices lights etc In case that not enough energy is produced the addi tionally necessary energy is obtained from the grid In case that there is a surplus of energy this surplus is fed into the local grid and is therefore available for other con sumers This way every single kilowatt hour is utilized and the electricity company s power plants are relieved In the most simple case a PV plant therefore consists of two basic components the PV panel and the inverter SB1100E 11 EE5000 7 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 2 1 String Technology The experience with several thousand grid connected PV systems in Europe with an output range from one to several hundred kilowatts has shown that the costs for grid connecting and monitoring the PV system add up to almost 50 of the costs for the entire system To reduce these costs especially the costs for the cabling on the DC side and the subsequent distribution on the AC side and drastically simplify the de sign of PV systems the string technology was developed by SMA The Sunny Boy finally enabled this new considerably simpler and better affordable String Technol ogy to be the standard system design for PV plants String Technology means that a small number of PV module
6. COM port In this case a small adapter is necessary order no 39 5010 Installation Please read chapter 6 3 carefully Connect RS232 connection cable LIYCY 0 25 mm minimum three cable with common shield and a maximum length of 15 m You can see the connector lay out in Fig 6 3 The shielding should be connected to protective earth PE on both ends at the Sunny Boy and the PC case SB1100E 11 EE5000 51 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Piggy Back socket Jumpers light blue resistors not mounted removed connect shield to case S 5 A a PC with DB9 a plug in COM1 COM4 o D or JE ak S10 PC with DB25 SJ faa 5 plug in ge BEE Com COM4 Fig 6 3 System control board Sunny Boy with RS232 cabling SB1100E 11 EE5000 52 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description RS485 communication In grids loaded with high interference several Sunny Boys can be connected to a PC or the Sunny Boy Control via RS485 and a separate data cable Data cables of up to 1200 m are permissible Sunny Boy Sunny Boy Sunny Boy Sunny Boy Control esse Sunny Boy Sunny Boy Sunny Boy interface converter RS232 a rn gt RS485 eee Fig 6 4 Schematic layout of RS485 data transmission with several Sunny Boys flexible outer PVC isolation
7. Data software In the constant voltage mode the Sunny Boy uses a strictly defined PV voltage setpoint SB1100E 11 EE5000 35 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Earth Fault Indicator Insulation failure defective varistor O Earth Fault Failure _ Red LED on Operation The Sunny Boy indicates an earth failure with the red LED This condition can occur together with other indications The indication of Earth Fault can result from two different reasons Either the PV panels connection has an isolation failure or one of the two or both thermally moni tored varistors on the DC side have developed a high resistance and therefore do not let any current pass The possible failures are described in the following together with the methods to find out how to distinguish the reasons for the failure Insulation failure Failure at the PV panel or PV connection The plus or minus pole from the PV panel or one of the PV modules has a connection lt 1 MQ to the grounding earth PE The repair of an insulation failure must be conducted by quali fied personnel A low resistance connection between the plus or minus pole and the grounding displayed as an isolation failure results in the possibility of highly dangerous electric shocks while only touching one pole That means that the user is in danger when touching one pole since the user himself normally is connected with t
8. Description a kenene tenere ennen ennen nnee ended 7 2 1 String Technology 2 2ec ccercneeee eee 8 2 2 Diagnosis and Communication sd forsee fo ones Los nd Loh ne Loh an Loh Lh te 10 2 3 Technical design of the Sunny Boy 1100E nnen eneen 11 3 mStallAHOUerdeerdersdened entend cv Gc cide Gc eich Gcicriad eb Gctiad cede cute ok e duicn ce Ge E E 16 3 1 What must be done in case of transport damages nnen 16 3 2 Placement of the Sunny Boy nnnnanananannnnnnnnnsnnnnnennnnnnnnnnnnnnnnnnnndnnnnnnndnenne 17 3 3 Electric Conm Ction cxcca cccrcce carced creek aaicke uel Gieee aie ieee es 22 3 3 1 Connection to the Electricity Grid nnn neneneneneneneeeneneneneneeensesneeenseer 22 3 3 2 Connection of the PVspanelS erneer iede inden senn 26 4 COMMISSIONING Nn 28 5 Operation and Failure Indication LEDS cccccccccseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeea 30 5 1 Opening and closing of the Sunny Boy nnen eneen eenen nennen 44 6 System Monitoring and Diagnosis sescccisce ter ccuddevidcndderdscubdeviscudderdacuddeviccetdersennider eet 48 6 1 Data Transmission via Powerline 48 6 2 Data Transmission with a Separate Data Cable nnnnnnnnnnnee 50 6 3 Upgrading or modification of the Sunny Boy interface nnn 57 6 4 Graphic User Interface under Windows nonnen eneennnneeeeeene eneen 59 6 5 Measuring Channels and Messages of the Sunny Boy nnnnnnnn 61 6 6 Measur
9. Sunny Boy has to be checked by a qualified technician SB1100E 11 EE5000 43 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 5 1 Opening and closing of the Sunny Boy Normally the Sunny Boy operates fully automatically and maintenance free Should the device nonetheless be opened e g for upgrading or modification of the Sunny Boy interface control of internal fuse analysis of earth fault indication follow the instructions given below Opening of the Sunny Boy NN The Sunny Boy must only be opened by a qualified electrician When working on the Sunny Boy follow the instructions below 1 Separate the Sunny Boy from the grid by opening the circuit breaker 2 Separate all poles of the Sunny Boy from the PV panel by pulling the MC plug connectors A Wait for approx 5 minutes until internal voltage has discharged 3 Open the Sunny Boy in the following order 4 Take off the lid by removing screws 1 4 see Fig 5 2 on the lid M5 SB1100E 11 EE5000 44 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Sunny AMY Doy SWR 1100 E aue Photovoltaik Stringwechselrichter St rung Photovoltaic string inverter Failure Fig 5 2 Front view of the Sunny Boy 1100E On the inside of the lid there is a tab connector contact with a green yellow grounding cable PE connection Carefully separate this cable You now have the opened Sunny Boy in front of you and can see the
10. among other things the measurement electronics is calibrated Subsequent condition is Waiting Stop condition can be initiated by the user with the Sunny Boy Control or the pro gram Sunny Data The Sunny Boy remains in this condition until set to MPP Operation or Constant Voltage Operation or until reinitialized e g after system shutdown Waiting Grid Monitoring Operation O Green LED blinking once per second Earth Fault 9 Red LED off Failure Q Yellow LED off The Sunny Boy is checking the grid concerning its suitability for feeding electricity starting voltage starting time and begins to monitor the grid SB1100E 11 EE5000 34 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Operation Operation Green LED on Earth Fault 69 Red LED off Failure amp Yellow LED off The Sunny Boy has successfully completed self testing electronics and the MSD and starts feeding to the grid MPP mode default setting The Sunny Boy independently acquires the MPP voltage of the PV panel which is internally defined as PV setpoint voltage In MPP mode the maximum power point Pac is set by changing the required PV voltage at the PV panel Constant Voltage mode The voltage from the PV modules can be set to a fixed value This value U Konst can be manually defined by the operator and transmitted to the Sunny Boy via the Sunny Boy Control or with the Sunny
11. and Messages of the Sunny Boy If your PC is equipped with communication see chapter 2 2 it supports a number of measuring channels and messages from the Sunny Boy inverters and transmits them to the output unit for diagnosis The following abbreviations are used BFR Betriebsf hrungsrechner Sequential Control System SRR Stromregelungsrechner Current Control System Measuring Channels Upv Ist PV input voltage Upv Soll PV desired voltage of the internal Upv control lac Ist current to the grid Uac grid voltage Fac grid frequency Pac power fed to grid Zac grid impedance Riso isolation resistance Ipv current from PV panels E Total energy yield h Total total operation hours Netz Ein total system start ups Seriennummer Sunny Boy serial number Status status Fehler failure description for status failure SB1100E 11 EE5000 61 SMA Regelsysteme GmbH Sunny Boy 1100E Status Messages Stop Offset Warten Netzueb Zuschalt MPP Such MPP U Konst Stoer Error messages F Bfr Srr F EEPROM F Fac Bfr F Fac Srr F dZac Bfr F dZac Srr F Imax F NUW UAC F NUW FAC F NUW Mess K1 Schliess K1 Trenn F NUW ZAC F Offset F Rechner F Riso F Uac Bfr F Uac Srr F UpvMax F Zac Bfr F Zac Srr F Watchdog SB1100E 11 EE5000 Technical Description manual system stop offset calibration of the electronics grid conditions are not fulfilled yet checking grid grid impedance electronics are connecting to
12. could reduce the energy yield if necessary install a sun shield e A minimum distance of 200 mm must be clear above the inverter for ventilation i e no cupboards ceiling etc The free air circulation around the case must not be obstructed to ensure sufficient cooling If you install the Sunny Boy in a cabinet or closet etc the air circula tion must be sufficient for heat dissipation provide external ventila tion The heat sink can reach a temperature of more than 80 C Provide a correct position of the inverter see below mount inverter Never straight or mount tilted tilted to back to front Fig 3 1 How to mount the inverter SB1100E 11 EE5000 18 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Packing list for mounting and installation The following components provide for safe and simple installation of the Sunny Boy and are included in the packing list AC connection socket set Cable gland PG16 1 pc Tabelle 3 1 Packing list for mounting and installation gt gt 63 50 mm distance between the holes on the top 217 50 mm Pid total height of the Sunny Boy 1100E 320 mm postition of the holes on the top 220 50 mm the total width of the Sunny Boy 1100E is 324 50 mm vertical distance between the holes Fig 3 2 Picture of drilling template ori
13. grid PV voltage is determined and set Sunny Boy is in MPP mode Sunny Boy is in constant voltage mode failure communication between microcontrollers is failing EEPROM cannot be read or written in BFR frequency measurement value out of tolerable range SSR frequency measurement value out of tolerable range BFR sudden change of impedance value out of tolerable range SSR sudden change of impedance value out of tolerable range internal overcurrent different values between BFR and SRR for grid voltage different values between BFR and SRR for grid frequency different values between BFR and SRR for dl Fac Uac oder Zac Relay test failed Relay test failed different values between BFR and SRR for grid impedance Offset check for grid voltage or power measurement failed BFR or SSR controller failure isolation resistance out of tolerable range BFR grid voltage measurement value out of tolerable range SSR grid voltage measurement value out of tolerable range PV input voltage above the tolerable maximum value BFR grid impedance measurement value out of tolerable range SSR grid impedance measurement value out of tolerable range Watchdog for operation control triggered 462 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 6 6 Measurement Precision Any kind of measurement always depends on the accuracy The measurements taken by the Sunny Boy are required for its operational control and the control unit of c
14. monitors the electrical resistance of the and poles to the PE The red LED is switched on whenever the isolation is below 1 MO see chapter 5 Operation and Failure Indication LEDs The voltage between the and pole of the PV modules string volt age can be lethal The circuit that monitors the insulation results in a slight electric connection to the PE The very high resistance of the circuit normally prevents a dangerous current from flowing through the human body However high resistance voltage meters will indi cate voltage between the case of the string inverter and the plus and or minus poles Never disconnect the PV modules from the Sunny Boy by pulling the Multicontact snap cable connectors before disconnecting the grid i e never during feeding operation of the Sunny Boy Always disconnect the Sunny Boy from the grid first the Sunny Boy will then stop feeding to the grid and the Multicontact connectors are not under load anymore SB1100E 11 EE5000 26 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Connection to the PV modules In order to simplify safe mounting and servicing the Sunny Boy is connected to the PV modules with safe to touch snap cable connectors type Multi Contact which were especially designed for PV applications Make sure that the and snap cable connectors of the PV modules are connected to the right poles of the PV module voltage Depending on the type
15. of PV module used it is possible to connect one single string or two parallel strings Therefore there are two connections for both the and the pole Within the device these connections are connected in parallel each Should you be working with one single string connection please close the snap cable connectors on the Sunny Boy that are not used by the seals provided with the delivery Before connecting the snap cable connectors of the PV panel to the Sunny Boy check the correct polarity and admissible PV panel volt age between the and the snap cable connector of the PV panel The PV panel voltage must be below or at most equal 400 V DC Upy lt 400 V DC The PV panel is connected to the Sunny Boy with the MultiContact connectors on the left hand side at the bottom of the case SB1100E 11 EE5000 27 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 4 Commissioning Safety notice E Check that no tools wires or similar equipment are placed on the case of the Sunny Boy 1100E during operation On top of the device you can find the heat sink of the Sunny Boy with po tential temperatures of over 80 C Danger of burning First switching on If the correct polarity and an admissible level of PV panel voltage have been con firmed in the measurement see chapter 3 3 2 remove the seals from the snap cable connectors at each end of the PV panel cable e Mount these to the Sunny Boy until they have f
16. of other electric consumers and check the fuse of the mains connector to the Sunny Boy If you do not find any failure have the grid connection to the Sunny Boy checked by a qualified electrician Check the correct connection and the fuse in the Sunny Boy see Fig 5 3 Interior of the Sunny Boy 1100E Do not forget to disconnect the Sunny Boy before opening the device Fol low the instructions for opening and closing of the Sunny Boy given in chapter 5 1 SB1100E 11 EE5000 40 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Blinking Code 3 Grid impedance too high Operation amp VW V V amp Earth Fault amp V V amp Failure gt QO O0 O gt 5s 3s 1s 18 ts K sew e ec cees gt The yellow failure LED is activated for 5 seconds remains dark for 3 seconds and then blinks three times The code is sent three times If the failure consists the indication begins once again The Sunny Boy has detected a failure based on non permissible grid impedance val ues The criteria for the grid impedance are described in the section MSD A too high grid impedance can be the reason in case this failure occurs very often forcing the inverter to switch off The impedance can be checked with the Sunny Boy Control or Sunny Data Should the impedance be Zac 1 25 Q the Sunny Boy may not connect to the grid This failure can normally be avoided by increasing the cross section of th
17. of the employee association Berufsgenossenschaft fur Feinmechanik und Elektrotechnik concerning the Inde pendent Disconnection Device known as MSD Mains monitoring device with allo cated Switching Devices and the regulations of the DIN VDE 0126 Furthermore the Sunny Boy complies with the according harmonised standards and the low voltage regulations as certified in the CE declaration see appendix In the following you will find the technical description of the Sunny Boy 1100E Don t worry about its size it is not necessary to read everything This technical description is both installers guide and user manual so it is used as reference for the commis sioning and as guideline on how to use all functions of the inverter optimally and how you can extend your existing PV plant Sunny Boy is a registered Trademark of SMA Regelsysteme GmbH SB1100E 11 EE5000 a 6 Ee SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 2 System Description The need to reduce the CO emission and other pollutants resulting from energy con versions is becoming more and more apparent Renewable energy sources can make an important contribution to solve this problem The direct conversion of solar radiation to electric energy photovoltaics will play a substantial role in this essential matter world wide Supplementary grid feeding includes the conversion of the DC voltage from the PV panel to grid compatible AC voltage with so called
18. the installation should be as low as possible pay special attention that it does not rain If moisture is enclosed in the case it will eventually condense within the de vice which could damage the electronics A suitable position must be found for the inverter s while the PV plant is designed To find the optimum location please consider the following most important criteria Criteria for device mounting Due to the high protection class IP65 the installation is possible indoors and outdoors If possible do not expose the inverter to direct moisture despite IP65 Keep the DC cabling from the solar generator to the inverter as short as possi ble e Avoid installation in the living area because a slight noise emission is possible e Avoid mounting on resonant parts e g thin wooden panels plaster panels etc Provide accessibility for installation and later service Installation at level height makes it possible to easily view the operating LEDs SB1100E 11 EE5000 1 7 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Please note the following points in any case A The mounting background must be firm The ambient temperature must lie between 25 C and 60 C Keep an eye on the grid impedance at the connection point see Disconnection from grid MSD and chapter 3 3 1 Connection to the Electricity Grid Do not expose the string inverter to direct sunlight this
19. 3 Installation The installation of the Sunny Boy string inverter must be done by qualified personnel that is approved by the local electricity company Make sure that all instructions in this chapter are followed Follow all safety regulations and regulations of the local electricity company 3 1 What must be done in case of transport damages The inverters are thoroughly checked before they are shipped Even though they are delivered in a sturdy packaging which can be recycled the inverters can be dam aged in transit which is usually the forwarder s fault Please inspect your inverter thoroughly after it is delivered If any damages can be detected on the packaging that could make you conclude the contents is damaged or if you detect that the inverter is damaged please immediately notify the forwarding company SMA or your local supplier can help you in this matter In any case a declaration of transport damage must be made within 6 days upon receipt of the product and must be stated in writing directly to the forwarding agent If it is necessary to return the in verter to the manufacturer please use the packaging the inverter was sent in SB1100E 11 EE5000 16 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 3 2 Placement of the Sunny Boy The Sunny Boy is a complicated electronic device and is therefore sensitive to hu midity within the case IS If the Sunny Boy is placed outside the humidity during
20. Sunny Boy 1100E Technical Description String Inverters for Photovoltaic Plants SB1100E 11 EE5000 Sunny Boy 1100E Technical Description Alteration Review Document Issue Comments Author Number and Alteration SB1100E Review 11 EE5000 Translation from German Issue 1 0 1 A Changes due to faulty documents or improvement of the documentation B Changes maintaining full or upward compatibility C Changes limiting or excluding compatibility oo a a ECN TE a ae Approved Peter Simon SB1100E 11 EE5000 2 7 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Explanation of Symbols used in this Document To enable optimal usage of this manual and safe operation of the device during in stallation operation and maintenance routines please note the following description of symbols This indicates a feature that is important either for optimal and comfortable ie usage or optimal operation of the system Example To keep string voltage low we recommend the following proce dure This indicates a fact or feature which is very important for the safety of the user and or which can cause a serious defect if not applied appropriately gt Example Disconnect the mains plug before opening the case This indicates an example aa 7 SB1100E 11 EE5000 hi 3 pi SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Table of Contents 1 IMMROGUCUOMN Zarren detentie dd 6 2 System
21. ack plug in contacts remains open Connect the cables for RS232 see Fig 6 3 or RS485 see Fig 6 6 No cabling is necessary for Powerline communication Data cables are lead outside through the free opening at the bottom of the Sunny Boy Please insert the PG16 screws into this opening and fasten them e Lead the communication cable through the contact unit of the PG cable gland e Connect the terminal cables to the terminal strip of the system control board and check whether they are firmly fastened e Fasten the cable seal of the PG16 cable gland e f you have installed RS232 cabling please close the opening in the bottom with the seal included in the packing list e Close the device as described in chapter 5 1 SB1100E 11 EE5000 a 58 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 6 4 Graphic User Interface under Windows Sunny Data Sunny Data is used in order to establish a communication between a PC and your Sunny Boys and process and evaluate data from these It provides a graphic user interface with all positive features known under Windows The available measurement channels of the Sunny Boy see chapter 6 5 can be dis played online The data can be displayed manually or automatically The data is stored in files on any available storage medium Special functions allow the installer to modify the operating parameters of the Sunny Boy in order to improve system per formance Please see the Sun
22. art to feed to the grid if the grid impedance Zac is higher than 1 25 Q The Sunny Boy is disconnected from the grid within 5 seconds once the grid impedance increases drastically within a short time AZac 2 0 5 Q or the impedance gets too high Zac 2 1 75 Q Grid Voltage The grid voltage may be within a range of 15 and 10 of the nominal grid voltage Un Once the grid voltage exceeds this range the Sunny Boy is disconnected from the grid within 0 2 s Grid Frequency The grid frequency may be within a range of 0 2 Hz of the nominal grid frequency fy while the voltage is within a range of 30 and 15 of the nominal grid voltage Un once the frequency goes beyond this range the Sunny Boy is disconnected from the grid within 0 2 s Furthermore the Sunny Boy disconnects from the grid within 5 seconds once the grid frequency changes drastically exceeding a certain range This new Sunny Boy disconnection concept provides maximum safety with minimum installation effort due to the fact that the connection of the MSD must only be done to one single phase SB1100E 11 EE5000 14 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description The value of the grid impedance measured at the Sunny Boy is the total of the im pedance of the public grid and the cabling impedance in the house from house dis tribution to the Sunny Boy Excessive increase of grid impedance through the con nection cable to the inverter th
23. cal Description standby night input voltage lt 70 V initialization input voltage Upv lt Upvstop changing operating condition or manually initiated condition waiting starting conditions are being checked checking grid feeding grid normal operation MPP or constant voltage mode earth fault of the PV panels or failure of surge voltage protection internal or external failure exact description depending on blink code Table 5 1 Sunny Boy Operation indication overview SB1100E 11 EE5000 32 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Operation Indicator Standby night Operation Q All LEDs are off Earth Fault Q Failure The Sunny Boy is in standby night mode The input voltage is too low Upy lt approx 70 V for supplying the Sunny Boy control system with enough power Initialization Operation B All LEDs are on Earth Faut Failure The Sunny Boy control system is initializing The string voltage to the inverter is between approx 70 V and 145 V The supply is sufficient for the system control and not quite sufficient for feeding to the grid Data transmission is not possible yet SB1100E 11 EE5000 33 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Stop Operation 69 Green LED blinking approx three times per second Earth Faut Q Red LED off Failure amp Yellow LED off The inverter has stopped operation
24. cation covered by according relevant safety regulations VDE etc or force majeure lightning over voltage storm fire es We cannot guarantee the proper function of the data transmission via mains lead Powerline modem in case it is carried out in electric grids with high harmonic dis tortion resp high frequency line distortions like industrial power supply grids or in the neighborhood of irregular consumers unshielded motors switching power sup plies converters etc Furthermore the simultaneous operation of babyphones may lead to short time data transmission disturbances or interruptions In case of disturbed data transmission via mains lead we alternatively offer communication via separate data line RS232 or RS485 see chapter 6 We do not guarantee that the software is completely free of failures In case of a failure an instruction how to avoid the effects of the fault is also considered as suffi cient repair Only the customer is responsible for the correct selection orderly use supervision and the results of the use of software We reserve the right to make alterations serving the improvement of the device More extensive or other claims for direct or indirect damages especially including claims for damages from positive contract violation are excluded insofar as not oth erwise compelling stated by law SB1100E 11 EE5000 67 i SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 9 Techn
25. caused by material or manufacturing faults The guarantee period for warranty repairs or compensation deliveries ends 12 months after delivery but runs at least until the expiration of the original warranty period for the delivered item Evidence SMA will only render warranty services when the rejected device is sent back to SMA together with a copy of the invoice the distributor has issued for the consumer The type plate at the device must be fully legible In case of non fulfillment SMA reserves the right to refuse warranty services Conditions SMA will decide whether it will repair the device in its works without invoicing material and working costs or deliver a replacement device The objected device is to be sent back to SMA in the original packing or in a transport packing of equal quality free of charge If the warranty applies transport costs will be for SMA s account The customer has to grant SMA the necessary time and opportunity to repair the de fects SB1100E 11 EE5000 66 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Exclusion of Liability Excluded are any warranty claims and liability for direct or consequential damages due to transportation damages e improper installation or commissioning improper alterations modification or repairing attempts inappropriate use or operation e insufficient air supply to the device any installation and operation beyond the specifi
26. ctronic components and components carrying lethal voltage Faulty upgrading can lead to damage at the device and danger to people by electric voltage Therefore the device may only be upgraded by qualified personnel or the SMA ser vice Only work on the Sunny Boy when it is disconnected from the grid and isufficiently discharged Follow ESD protection countermeasures when modifying the Sunny Boy Electronic components are sensitive to electrostatic discharge To protect them you have to be on the same electric potential Discharge the electrostatic charge by touching the grounded case before touching an electronic component otherwise you take a great risk in destroying your electronics SB1100E 11 EE5000 57 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Open the device as described in chapter 5 1 Remove the piggy back that is installed on the system control board e Only for installation of an RS232 or RS485 board Remove the light blue resistors Fig 6 6 on the system control board by cut ting them out with a wire cutter e Only for installation of a board for Powerline Communication Please make sure that the light blue resistors Fig 6 6 are plugged onto the system control board If not resistors corresponding to 0 Ohm resistors have to be installed in there Plug the desired piggy back module onto the required slot When plugging on the piggy back please make sure no socket of the piggy b
27. due to the fact that a one chip computer manages the control The sequential control system takes care of the fully automatic operation and handles the MPP tracking MPP Maximum Power Point fully automatic search for the PV output voltage with highest output power The sequential control system minimizes unnec essary losses in standby and in grid feeding mode The heat sink is necessary in order to let the energy resulting from the power semi conductor devices dissipate The heat sink is large enough to allow a continuous op eration of the Sunny Boy even in surroundings with high ambient temperatures which are found e g directly under the roof with the panels The Sunny Boy 1100E is SB1100E 11 EE5000 11 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description equipped with a temperature monitoring system that detects a too high heat sink temperature e g resulting from high ambient temperature reduces the power fed to grid and nevertheless keeps feeding electricity to the grid The sequential control system also manages the communication with the correspond ing SMA data analysis tools Sunny Display Sunny Data and Sunny Data Control The Sunny Boy therefore is not only a simple standalone device as it can be part of one big PV plant that has one central control and monitoring facility Two independent one chip computers monitor the grid This fully complies with the according regulations of the VDEW and the employee assoc
28. e AC cable connected to the inverter SB1100E 11 EE5000 41 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Blinking code 4 Input voltage PV panel too high Operation Q V V Earth Fault 69 amp amp amp amp amp Failure gt amp 0 0 0 0 gt 5s 3s 1s is 1s 1s en ee darten Ed The yellow failure indication LED is activated for 5 seconds is out for 3 seconds and then blinks four times The code is sent three times If the failure consists the indication is repeated The input voltage is too high The PV panels are generating a voltage higher than the permissible specified voltage Disconnect the grid and then the PV panels from the Sunny Boy immedi ately Too high input voltages can cause a non repairable damage Have the circuits of your PV panels checked by your electrician The permissible PV input voltage of the Sunny Boy is listed in the technical data in chapter 9 SB1100E 11 EE5000 42 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Blinking code 5 Device failure Operation Q Q Q Earth Faut amp Q Q 9 Failure The yellow failure indication LED is activated for 5 seconds is out for 3 seconds and then blinks five times The code is sent three times If the failure consists the indication is repeated The Sunny Boy is in a condition that makes it impossible to return to normal opera tion and is most likely defect A The
29. electric connection of the Sunny Boy can be done once the device is correctly mounted in its position The grid and the input from the PV modules are connected to the inverter in the bot tom of the case The connection is done with special plug connectors see Fig 5 3 The connection of the Sunny Boy to the DC voltage from the PV string and the AC voltage of the utility must be done in the order de scribed here This ensures that the disconnecting of contacts as well as hazardous voltages during the installation are avoided 1 Connect to the electricity grid see chapter 3 3 1 2 Connect the PV string see chapter 3 3 2 3 Connect the PV string to the Sunny Boy 4 Connect the utility by putting the fuse on Disconnecting the Sunny Boy must be done in the opposite order 3 3 1 Connection to the Electricity Grid The Sunny Boy must be connected to the grid with 3 cables one phase one neutral and one protective earth PE We recommend a 16 A or under certain circumstances 10 A fuse type NEOKIT from company Lindner or an automatic circuit breaker with D or K characteristics for the circuit the Sunny Boy is connected to No consumers are allowed on this circuit Pay atten tion to all applicable local regulations especially those concerning the overcurrent discrimination SB1100E 11 EE5000 22 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description The grid impedance value at the connection p
30. ement PTSCISION zc aarsnetenensntentidntendndan tadaa benden headed eed handed 63 d _LrOUDISSHOOUNG zes esterdeendeersdnndderbe ebde neben e ee eee eiee iei 64 8 Warranty Regulations and Liability ne ener ener ervaren ednaeienedeaennedaeiknedeaesnkesen enke 66 9 Technical Datas Arre baan ban bee bean dane aa 68 10 App ENA NEEN ENE EE ye ewer te rere 74 SB1100E 11 EE5000 4 7 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Important Safety Notice The Sunny Boy String Inverter may only be opened by qualified per sonnel for both maintenance and modification The device can still be charged with very high hazardous voltages even when disconnected For optimal safety closely follow all steps as described in the chap ters 3 Installation and 5 1 Opening and closing of the Sunny Boy SB1100E 11 EE5000 5 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 1 Introduction By purchasing a Sunny Boy String Inverter you have decided to use one of the most advanced devices for modular PV system technology The Sunny Boy inverters are the first systems that utilize the String Technology from SMA and convince with their outstanding qualities concerning efficiency and reliability The Sunny Boys comply with all regulations from the VDEW Association of German Electricity Producers for supplementary grid feeding to the low voltage electricity grid of the utility This includes the regulations
31. er ring and through the socket tube e Connect the wires of the AC cable as follows Protective Earth PE to the terminal with the ground symbol Neutral wire to the terminal marked with 1 Phase L to the terminal marked with 2 The terminal marked with 3 is not used Make sure that all wires are firmly connected Push the socket tube firmly onto the socket e Screw the cable seal firmly onto the socket tube For cables that require the PG16 gland Tighten the bolt of the PG16 gland The AC connector socket is now ready to use e Seal the AC connector socket in case you do not insert it into the Sunny Boy SB1100E 11 EE5000 24 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description The AC connector socket can be inserted into the Sunny Boy in case the Sunny Boy is already mounted in the correct position Remove the transparent seal from the AC connector on the Sunny Boy insert the AC connector plug and tighten the seal SB1100E 11 EE5000 25 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 3 3 2 Connection of the PV panels Safety Notice The inverter system is electrically separated in order to provide maximum protection against dangerous touch voltage in the PV plant This means that neither the nor the cable are electrically connected to the PE i e there is normally no dangerous voltage between the PE and the or pole The Sunny Boy constantly
32. erefore has to be avoided Ir Keep in mind that the cable between the Sunny Boy and the house distri bution increases the impedance see chapter 3 3 1 Connection to the Electricity Grid The MSD regulations require a type verification and test by an independent certified testing association It is also required that the supplier of the inverter tests every sin gle MSD before delivering the inverter to the customer For the user this means the intensive testing of the disconnection device by the electricity company and the installer and periodic checking of the disconnection device legally required previously are not necessary anymore The redundant design of the MSD and the regular self test on startup allow the user to get along without periodic tests Each startup includes a function test in order to make sure that the allocated switching devices transistor bridge and relay are oper ating The self test is repeated in case the test result was negative if the failure per sists the device must be checked by a qualified technician The failure is indicated by a warning LED meaning that the inverter is not feeding electricity to the grid The sys tem shutdown because of MSD malfunction cannot be reset with external signals in order to ensure that the device is checked and set up for grid feeding only by quali fied personnel SB1100E 11 EE5000 1 5 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description
33. ginal template in appendix SB1100E 11 EE5000 19 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Preparing the Mounting The Sunny Boy is mounted on its back with 3 metal straps on a firm surface 3 screws and the corresponding dowels are necessary The screws and dowels are not included and have to have a sufficient size We recommend 6 mm screws and 8 mm dowels For outside mounting use stainless steel screws If necessary plastic washers should be inserted between the screw and metal strap in order to avoid scratching the paint when screwing Fig 3 3 Side view of the mounting to wall Metal straps for mounting The top straps take the load the bot tom is screwed down in order to pre vent tilting off the wall Securing the Sunny Boy against lifting up After the Sunny Boy has been hanged into the top screws fasten the bottom screw to secure against lifting up SB1100E 11 EE5000 20 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Mounting to wall Mark the holes with the drilling template Drill the holes and put in the dowels put in the screws of both top holes and screw them in until ca 4 mm are sticking out Hang the inverter into the two top screws Fasten the bottom screw in order to prevent lifting up e Check the mounting of the inverter SB1100E 11 EE5000 21 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 3 3 Electric Connection The
34. hanics and Electronics Engi neering The Sunny Boy string inverter is designed only for utility interactive operation To en sure safe shut down in case of grid disconnection etc and to avoid an islanding condition the inverter is equipped with an independent disconnection device that has been certified by the Berufsgenossenschaft fur Feinmechanik und Elektrotechnik The regulation is called Automatic disconnecting facility for photovoltaic instal lations with a nominal output lt 4 6 kVA and a single phase parallel feed by means of an inverter into the public low voltage mains For maximum safety this independent disconnection device consists of two separate MSD Mains monitoring with allocated Switching Devices that are connected in se ries Each of these MSD constantly monitors the grid quality by checking the fre quency voltage and impedance The redundant circuit and an automatic self test on each system startup ensure a reliable function of the disconnection Older islanding detection systems only evaluated the voltage of the 3 phase electric ity grid The new detection system additionally evaluates the grid impedance of the feeding phase as well as the voltage and the frequency of the connected phase SB1100E 11 EE5000 13 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Conditions that cause the Sunny Boy to be disconnected from the grid Grid Impedance The Sunny Boy does not st
35. he ground SB1100E 11 EE5000 36 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Failure of the thermally monitored varistors On its DC input side the Sunny Boy is equipped with thermally monitored varis tors plus and minus pole to protective earth each They are installed in order to prevent the inverter from being destroyed by atmospheric surge voltages electric fields from thunderstorms etc A thermally monitored varistor is the serial circuit of a varistor and a thermal fuse If the thermally monitored varistors have triggered for several times they can lose their effect by not letting any cur rent pass anymore and therefore not provide the intended safety anymore This condition is indicated with the Erdschlu Earth Fault LED The replacement of a thermally monitored varistor should be conducted by qualified personnel e Determining the Failure The red LED indicates one of the above mentioned failures A short descrip tion on how qualified personnel can distinguish between these and conduct the appropriate countermeasures is given in the following Please take note of all relevant information in chapter 3 3 Electric Connec tion and 5 1 Opening and closing of the Sunny Boy Open the Sunny Boy according to the description in chapter 5 1 Remove the two internal thermally monitored varistors see Fig 5 3 Interior of the Sunny Boy 1100E with a screwdriver Connect the c
36. iations The grid monitor ing is done by determining the grid impedance with a so called MSD Mains monitor ing with allocated Switching Devices German ENS This means the Sunny Boy can be connected to the in house network at practically every spot which substan tially simplifies its installation The relevant regulations and standards of course must be kept to The case is made of stainless steel which protects the inverter from dust and water up to IP 65 The Sunny Boy can therefore be mounted nearly anywhere inside or outside the house with an ambient temperature range of 25 C to 60 C Personnel protection is a very important issue even with small PV plants The grid and the PV panels are electrically separated while the insulation is constantly moni tored All applicable standards and regulations for personnel safety and EMC are complied with SB1100E 11 EE5000 12 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Disconnection from Grid MSD This section covers the safe disconnection and shutdown of the inverters in case the public electricity grid goes down If the electricity supplier disconnects part of his elec tricity grid e g to make repairs one has to make sure that nobody working on the grid is harmed In August 1994 a new safety concept was included into the VDEW regulation initiated by the Berufsgenossenschaft fur Feinmechanik und Elektrotech nik German Employee Association of Precision Mec
37. ical Data Input PV modules A It is essential to check if the PV modules used produce a voltage within the specified tolerable voltage range The open circuit volt age of the connected PV string may not exceed the input voltage range at 10 C Uo 10 c lt max input voltage The MPP voltage of the connected PV string may not get below the specified range at 70 C Umpp 70 cc gt min input voltage range IEY The Sunny Boy can tolerate a current higher than the specified cur rent as long as the voltage is within the specified range SB1100E 11 EE5000 68 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Input voltage range Upy 150 V to 400 V DC Max input current Ipv max ca 8 5 A 9 nn mn 8 7 a 6 E 2 125 150 175 200 225 250 275 Upy V 300 325 LL 350 375 400 Fig 9 1 Sunny Boy input current in dependence of the input voltage All pole disconnection on DC side Over voltage protection Voltage ripple Personnel protection Pole confusion prevention SB1100E 11 EE5000 69 MC plug connector thermally monitored varistors lt 10 with Umppmin earth fault monitoring Riso gt 1 MQ short circuit diode SMA Regelsysteme GmbH Sunny Boy 1100E Output values grid Nominal power Pacnom Peak power Prcmax Harmonic distortion of output current Kiac at Kugria l
38. n fault should be found and removed by taking appropriate measurements Close the Sunny Boy as described in chapter 5 1 SB1100E 11 EE5000 38 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Failure Indication Consistent Failure Operation amp Earth Fault amp Failure The yellow failure LED is permanently on This is a failure of the grid monitoring or the autonomous disconnection device MSD The Sunny Boy has detected a failure in the autonomous disconnection facilities and has suppressed the grid feeding Further proceedings are described in chapter 7 SB1100E 11 EE5000 39 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Blinking code 2 Grid Failure Operation amp O Earth Fault Q VD Failure gt amp 0 O gt 5S 4 3s 1s 1s i The yellow failure indication LED is activated for 5 seconds is out for 3 seconds and then blinks twice The code is sent three times If the failure consists the indication blinking code is repeated The Sunny Boy is indicating a failure which has one of the following reasons e Low grid voltage lt Vac min see Table 9 1 High grid voltage gt Vac max see Table 9 1 Low grid frequency lt fac min see Table 9 1 High grid frequency gt fac max see Table 9 1 Drastic change of frequency gt dFac see Table 9 1 Check the electric grid supply check the function
39. ny Data manual for further information on Sunny Data _ Sunny Data 2 x File Measurement Display Options Window Help A FB LA e Overview PV Plant PV Plant 1 P Total 38823W E Tota 10kwh AWET Fig 6 7 Sunny Data user interface SB1100E 11 EE5000 59 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Sunny Data Control Large PV plants with numerous Sunny Boys are supervised and monitored with a Sunny Boy Control The Sunny Boy Control handles central measurement data ac quisition and diagnosis for up to 50 Sunny Boys and assists the commissioning of the PV plant Additional features are remote diagnosis via modem and fax messages For global visualisation of PV plant data SMA offers the Sunny Data Control PC soft ware under Windows E g the power output of the entire large scale PV plant can be shown in a matrix For the numerous possibilities of establishing a monitoring concept with Sunny Boy Control please see the Sunny Boy Control manual M Sunny Data SMA ysteme Datei Mefidaten Anuf Onine Optionen Extras Hie we sma de O Einzelgeratinformation 524200831 Seriennummer Ger tetyp WR20 001 Feldkoordinaten 1 0 Ubertragungsgiite Gut 100 0 Fig 6 8 Sunny Data Control graphic user interface SB1100E 11 EE5000 60 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 6 5 Measuring Channels
40. oint must be lower than 1 0 Q in any case in order to fulfill the necessary conditions for the MSD see chapter Mains monitoring with allocated switching devices fF 4 geer S The impedance is the sum of the electricity grid impedance at house dis i JE tribution and all impedance values of cables and clamping points in NB Impedance values are ca 0 48 Q for a 20 m cable with a cross section of 1 5 mm ca 0 50 Q for a 35 m cable with a cross section of 2 5 mm The AC connector socket for utility connection can take a cross section of up to 2 5 mm Make sure the grid is disconnected in the fusebox before you con nect the AC connection socket The AC connector is a round socket that is suitable to take different cable diameters A PG13 5 and a PG16 cable seal are included with the AC connection socket Check which size is suitable for your AC connection cable Strip the insulation off the ends of the cable and connect the cable to the AC socket as shown in Fig 3 4 AC connection socket SB1100E 11 EE5000 23 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Cable seal PG16 Socket Threaded ring Cable seal PG 13 5 ee am case for PG 13 5 al ring Socket tube for PG 13 5 Fig 3 4 AC connection socket Push the rubber ring into the fastening case Put the cable through the PG 13 5 or 16 cable seal Put the cable through the fastening case with the rubb
41. on with a Separate Data Cable IS RS232 communication is only suitable for data transmission between a PC and one single Sunny Boy Data transmission via Powerline is a reliable and affordable solution In electrical grids which are strongly influenced by high frequency disturbance such as those in industrial sites data transmission via Powerline may not be possible Communication between the Sunny Boys and the Sunny Boy Control or the PC can then be done with a separate data cable RS232 communication If only one Sunny Boy has to be connected to the PC the easiest way is direct cou pling via an RS232 port A maximum of 15 m is permissible between the PC and the Sunny Boy Single Sunny Boy RS 232 ma Electricity Grid PC Fig 6 2 Example for RS232 communication with a single Sunny Boy IS RS232 communication with a Sunny Boy is only a reasonable solution with direct connection to the PC If a Sunny Boy Control is used instead of the PC an RS485 connection is necessary See section RS485 communication for details SB1100E 11 EE5000 50 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description What do you need for RS232 communication a special RS232 Piggy Back module and an appropriate cable gland for the Sunny Boy the visualisation software Sunny Data is installed on the PC e the light blue resistors Fig 6 3 on the system control board are removed Some PCs are equipped with a 25 pin
42. onnectors 2 and 3 of the terminal strip on the main board Connect the PV panel by the MC plug connector Connect the grid voltage e Ifthe red LED is off see A if the LED is on see B SB1100E 11 EE5000 gt 37 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description A The red LED is off At least one of the thermally monitored varistors is de fective Replace both varistors they are only available from the manufac turer because they are designed especially for the Sunny Boy IS The thermally monitored varistors are not available on the market but are especially designed for use in the Sunny Boy B The red LED is still on The following must be done Disconnect the inverter from the grid Disconnect all poles of the inverter from the PV panels by pulling the Multi Contact plug connectors Wait 5 minutes until the internal voltage has discharged Remove the bridges from 2 to 3 in the two connector blocks Mount a bridge from connector 2 in one connector block to connector 2 in the other connector block Re connect the PV panels and the grid to the Sunny Boy If the red LED is still on the Sunny Boy is damaged and must be repaired by the manufacturer If the red LED is off the isolation of the Sunny Boy or the connection cabling is defec tive Disconnect the Sunny Boy from the grid Disconnect the PV panel from the inverter by MC plug connectors Now the isolatio
43. onsumption during operation Power consumption during stand by Certifications EMC Grid concurrency Grid monitoring Low voltage regulation Device Protection Protection in accordance with DIN EN 60529 Weight and Dimensions Dimensions w x h x d Weight Ambient Conditions for Operation Tolerable ambient temperature Tolerable relative humidity SB1100E 11 EE5000 Technical Description lt 4 W lt 0 1 W DIN EN 50081 part 1 EN 55014 EN 60555 part 2 EN 55011 section 1 class B DIN EN 50082 part 1 DIN EN 61000 3 2 DIN EN 60555 Mains monitoring with allocated switching de vices MSD in accordance with VDEW E DIN VDE 0126 10 97 DIN EN 50178 4 98 VDE 0160 DIN EN 60146 part 1 1 3 94 VDE 0558 part11 IP65 ca 322 x 320 x 180 mm Ca 18 5 kg 25 C to 60 C 0 100 class 3K6 72 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Parameter List Sunny Boy 1100E All parameters are transmitted to Sunny Data or to the Sunny Boy Control when the Sunny Boy 1100E is configured The following table shows the available parameters Range Default for PV changes by input voltage p e 5 0 300 0 Installer T Stop 300 0 Installer 19 0 121 0 250 0 145 0 Installer Usoll Konst 125 0 250 0 148 0 Installer l NiTest mA 6000 4500 Installer 1 0 oO ee N ee e a e a e pe e a 4 em dZac mOhm 1 0 18 18 5 8
44. position of components and clamps relevant for you You will find The internal fuse The thermally monitored varistors The control system board with the socket for the piggy back board for the communication SB1100E 11 EE5000 45 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description thermally monitored varistors System Control Board position of communication Piggy Back resistors for Powerline Communication connector for data transmission cable DC connection opening for AC connector Multicontact communication cable Fig 5 3 Interior of the Sunny Boy 1100E SB1100E 11 EE5000 46 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Closing of the Sunny Boy 1 Restore the PE connection of the lid with the tab connector of the green yellow PE conductor When putting the lid on make sure the seal in the inner side of the lid is placed correctly When screwing the inner screws make sure that the thread in the Sunny Boy case is not damaged by tilted screws Under certain conditions the protection class IP65 cannot be guaranteed any more When mounting the Sunny Boy outside moisture can get into the device and damage the electronics 2 Connect the PV panel by plugging on the MC plug connectors see also chapter 3 3 2
45. s 1200 m 4000 ft It is essential to connect the outer shielding to protective earth PE on both ends If necessary an adapter for the RS232 plug from the interface converter to the PC 9 pin to 25 pin 9 pin to 25 pin adapter oss Description DCD Data Carrier Detect RX Receive Data TX Transmit Data DTR Data Terminal Ready GND Signal Ground DSR Data Set Ready RTS Request To Send CTS Clear To Send RI Ring Indicator ie WJ 1 2 3 4 5 6 7 8 9 Table 6 1 Pin designation of the DB9 DB25 adapter SB1100E 11 EE5000 56 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 6 3 Upgrading or modification of the Sunny Boy interface The Sunny Boy is prepared for data transmission By simply plugging on a piggy back module it supports the RS232 or 485 interfaces for the Powerline protocol In order to install a new interface in the Sunny Boy a corresponding piggy back mod ule has to be installed on the system control board Please follow all relevant instruc tions in chapters 3 3 Electric Connection 4 Commissioning 5 1 Opening and closing of the Sunny Boy in the Sunny Boy manual The Sunny Boy works with high voltages externally and internally which can cause considerable harm to people Only a qualified elec trician may work on the device especially open it While upgrading the Sunny Boy interface the operator can get into touch both with ele
46. s are connected in se ries to a string each string is then connected to a separate inverter which feeds the electricity of one string to the grid Large PV plants consist of a large number of sin gle strings The energy produced is collected directly on the AC side making the sys tem design very simple No extra DC cabling is necessary anymore The most various system concepts can be constructed with modules of the Sunny Boy family Sunny Boy 700 The small inverter for little PV plants and simple extension possibilities 3 input voltage and power ranges Sunny Boy 850 The output optimized inverter for PV plants with at least 1 kWp Sunny Boy 1100E For PV plants with up to 1 5 kWp and equipped with a wider input voltage range Sunny Boy 2000 The transformerless string inverter with extended input voltage range and in creased efficiency ideal for large scale PV plants SB1100E 11 EE5000 8 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Sunny Boy 2500 The powerful string inverter with electric separation ideal for large scale PV plants e Sunny Display The optional integrated LCD display for direct data acquisition Sunny Data The PC program for communication with your Sunny Boy inverters Sunny Boy Control Family The intelligent control terminals for your PV plant for data acquisition visualisa tion and saving Sunny Data Control The PC program for visualization of da
47. sent contact the Sunny Boy service if the system malfunction consists The address is listed in the appendix In order to let your PV plant operate again as soon as possible it is essential to pro vide the following information SB1100E 11 EE5000 64 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description e Information concerning the Sunny Boy serial number of the inverter Sunny Boy type short failure description Number of the blink code see chapter 5 If Sunny Boy Control or a PC with Sunny Data is present Which status and failure are indicated Can you reproduce the failure How can you reproduce it Does the failure occur sporadically Has this failure always occurred What were the ambient conditions when the failure occurred e Information concerning the PV modules Supplier type of modules number of modules in string output power open circuit voltage Use the original box the Sunny Boy was delivered in if the Sunny Boy has to be sent to the manufacturer SB1100E 11 EE5000 65 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 8 Warranty Regulations and Liability If your inverter shows a defect or a malfunction during the warranty period please contact your distributor or installer Warranty The warranty period is 24 months from the date of purchasing the device by the end user It ends at the latest 30 months after the delivery date from SMA and includes all defects
48. systeme GmbH Sunny Boy 1100E Technical Description Sunny Boy in the Internet You can find our Internet website at HT TP WWW SMA DE the newest information concerning the Sunny Boy inverter family the newest Sunny Data software for downloading You can leave messages for SMA This is especially useful if you want to send data recorded from your PV plant to the Sunny Boy service Those who want to know more about SMA Regelsysteme GmbH and its products are very welcome to visit us on our homepage SB1100E 11 EE5000 78 SMA Regelsysteme GmbH Sunny Boy 1100E Address Telephone Telefax e eMail Internet Technical Description SMA Regelsysteme GmbH Hannoversche Stra e 1 5 D 34266 Niestetal 0561 9522 0 operator 0561 9522 499 Sunny Boy Service 0561 9522 100 main fax 0561 52035 55 Sunny Boy Service info sma de http www sma de Appendix drilling template SB1100E 11 EE5000 79 SMA Regelsysteme GmbH
49. t 2 Pac gt 0 5 Pacnom Short circuit protection Output range grid voltage Uac Output range grid frequency fac All pole disconnection grid side Phase shift angle based on fundamental current Over voltage category Testing voltage 50 Hz Surge voltage test 1 2 50 us External interfaces Data transmission via Powerline Data transmission via data cable Efficiency Max efficiency Nmax Euro eta Neuro SB1100E 11 EE5000 70 Technical Description 1000 W 1100 W lt 4 grid side current controlled 196 253 V AC 49 8 50 2 Hz Mains monitoring with allocated switching devices MSD double 0 Ill 1 3 kV 1 5 s piece type testing 4 kV serial interface 6 kV Optional Optional RS232 RS485 Electrically separated 93 gt 91 3 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 95 94 93 91 90 89 88 87 86 85 84 83 eta 81 80 79 77 76 75 P c Pacnom Fig 9 2 Sunny Boy 1100E efficiency grid voltage grid current 10 ms 20 ms Fig 9 3 Output current and output voltage of the Sunny Boy SB1100E 11 EE5000 71 Ee SMA Regelsysteme GmbH Sunny Boy 1100E Power consumption Power c
50. ta from your Sunny Boy Control SMA is the European market leader for inverters for photovoltaic applications with over 40 MW of installed inverter power in over 20 000 single units with powers from 700 W up to 500 kW 5 99 The Sunny Boy is the result of a dedicated development resulting from the substantial experience with utility interactive inverters for photovol taics SB1100E 11 EE5000 7 9 ra SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 2 2 Diagnosis and Communication The modular PV system technology leads to a spread out distribution of the Sunny Boy String inverters A simple and fast function monitoring of the status and measured val ues for each single Sunny Boy can be achieved with only a few system components The data collected is either displayed on the LCD of the Sunny Boy Control or is shown on the screen of a PC running the according SMA software Two programs Sunny Data and Sunny Data Control are based on a comfortable Windows GUI and allow the user to process the data with other programs such as MS Excel The signal transmission between the PC and the single inverters is normally done via Powerline communication see chapter 6 1 The Sunny Boy String Inverters support the following monitoring concepts developed by SMA PC with Sunny Data for Windows for small and medium size PV plants also with Sunny Boy Control Sunny Boy Control as stand alone controller for any PV plant size
51. ull contact As soon as the PV panel has been connected via the Multi Contact plug connectors internal PV panel voltage is on e Connect the grid voltage by closing the circuit breaker of the supply lead If the input voltage is high enough the Sunny Boy should start to feed inverted PV power fully automatically to the grid once enough power is coming from the PV modules The design of the Sunny Boy makes sure that its internal consumption is as low as possible The Sunny Boy requires a maximum 4 W internal consumption which it takes from the PV panel SB1100E 11 EE5000 28 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description If you measure the voltage coming from the PV modules you must keep in mind the inverter s internal consumption that will have an effect on your measurement with lower solar radiation The open circuit voltage of the PV panel will therefore not be displayed The internal consumption is negligible for the voltage measurement with higher solar radiation The operating state of the Sunny Boy will be indicated with three LEDs integrated into the lid The meaning of the LEDs will be explained in chapter 5 Operation and Fail ure Indication LEDs SB1100E 11 EE5000 29 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 5 Operation and Failure Indication LEDs General The inverter normally operates automatically without user interaction and without any maintenance The in
52. urrent to be fed to the grid The reproducibility of measurement values is conceived for there requirements A maximum measurement error is conceived for an ambient temperature Sy of 25 C Other temperatures must be evaluated with respect to the inaccuracy resulting from these different temperatures Maximal Range Resolution failure Display Measurement 9y 25 C input current Ipv mA Ben 10000 mA grid current lac MA 0 6000 mA grid frequency _ fac Hz 45 55 Hz 0 01 Hz 0 01 Hz output power Pac W 0 1800 W 3 Table 6 2 Measurement accuracy of the Sunny Boy SB1100E 11 EE5000 63 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 7 Troubleshooting Our quality management strategy includes a constant quality improvement of our products We always are concerned to avoid all failures and malfunctions of our products The product you purchased was shipped after successfully passing numerous tests concerning the operation behavior the disconnection devices and a long term heavy duty tests We recommend to conduct the following steps in case your PV plant does not oper ate correctly e check the blink code on the lid of the Sunny Boy and compare the code with the blink codes listed in chapter 5 Follow the countermeasures listed there if nec essary contact the installer check the Status and Failure messages in one of the monitoring system de scribed in chapter 6 if pre
53. ved 8 9 10 7 connect shield to case PE 123456 last Sunny Boy MOSR15 SP connect shield to case PE Resistors under the Piggy Back module must be removed 123456789 10 Fig 6 6 System control board Sunny Boy with RS485 cabling SB1100E 11 EE5000 55 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Installation RS485 Read chapter 6 3 Connect pin 7 and pin 9 on the end of the cable that is connected to the interface con verter If you are using a PC instead of a Sunny Boy Control switch the interface converter RS485 RS232 ordering no 39 0020 to DTE The transmission cable is terminated on the last Sunny Boy on the cable There a termina tion resistor is connected by mounting a jumper no 1 jumper directly above the terminal strip Two resistors of 680 Ohm each must be integrated into the DB9 connection at the begin ning of the cable that is connected to the Sunny Boy Control or the PC One is soldered from pin 3 to pin 6 the other is soldered from pin 5 to pin 8 see Fig 6 6 The recommended cable for the RS485 connection is a LIYCY 2 x 0 25 mm twisted pair cable It consists of four data lines of which two are each combined to altogether two twisted pairs Both pairs are surrounded by a single common shield Maximum length of the entire R8485 connection i
54. verter automatically turns itself off when a grid feeding is not possible e g at night The Sunny Boy automatically starts its grid feeding the next day once the solar radia tion is high enough The inverter goes to standby mode if the radiation and the result ing electric input energy is too low and is therefore always ready for operation Each time the Sunny Boy starts up it runs a number of self tests and safety proce dures The green LED Operation indicates the current operation The red LED warns the user that an Earth Fault has occurred A description of this situation and what has to be done in that case is given in the section Earth Fault In dicator The yellow LED Failure indicates an internal or external failure that keeps the in verter from feeding the grid The specific causes for this and how to avoid them are described in detail in section Failure Indication SB1100E 11 EE5000 30 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description Sunny Doy Betrieb Operation ErdschluB SWR 1100 E Earth Fault Photovoltaik Stringwechselrichter St rung _ _ Photovoltaic string inverter Failure w Fig 5 1 Front view of part of the Sunny Boy Description of the symbols used in the following section LED off LED on once per second LED on three times per second LED on not important E KI SB1100E 11 EE5000 31 SMA Regelsysteme GmbH Sunny Boy 1100E Techni
55. y Sunny Boy Powerline Sunny Boy Control Fig 6 1 Example of data transmission via Powerline SB1100E 11 EE5000 48 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description What do you need for Powerline communication e The Sunny Boy must be suitable for Powerline communication order no SWRxxxx NE 1x0 l e The Powerline piggy back modem is installed see Fig 6 3 System control board Sunny Boy with RS232 cabling The blue resistors under the piggy back have to be installed for Powerline communication see Fig 6 3 e For communication with the PC A socket modem SWR COM is available Some PCs are equipped with a 25 pole COM interface Then a small adapter is necessary order no 39 5010 The visualisation software Sunny Data must be installed How to install Powerline Communication Powerline Communication with a PC The RS232 connector from the SWR COM is plugged into a free COM port of the PC The SWR COM is plugged into the electricity socket For details on the visualisation software Sunny Data please see the Sunny Data manual Powerline Communication with a Sunny Boy Control Plug the 230V power cable of the Sunny Boy Control into the electricity socket For operation of the Sunny Boy Control and the usage of Sunny Data Control for Sunny Boy Control refer to the according manuals SB1100E 11 EE5000 49 SMA Regelsysteme GmbH Sunny Boy 1100E Technical Description 6 2 Data Transmissi
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