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Sunny Boy 700 - SMA Solar Technology AG

1. Fig 3 6 How to fix cable in adapter block SB700 11 EE E 21 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Sunny Boy 700 Configuration of the input voltage connector f 125 V 250 V DC default p both Jumpers stay ai l i emove this Jumper open 100 V 200 V leave this Jumper DC connector leave this Jumper open 75 V 150 V on g emove this Jumper DC Table 3 1 Configuration of the input voltage Close the Sunny Boy as described in chapter 5 1 SB700 11 EE 28 E SMA Regelsysteme GmbH Sunny Boy 700 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 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 unused plug in contacts on the Sunny Boy by the seals provided with the delivery Before connecting the snap cable connectors of the PV panel to the
2. Fig 6 7 Sunny Data user interface SB700 11 EE 62 SMA Regelsysteme GmbH Sunny Boy 700 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 visualization 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 Pee INA E Total 235 kwh E heute J kb Betriebszeit z Netz Ein 20 Senennummer 100420142 Status Betrieb Fehler a Device field CD Device Overview NoName01 Information on single device Serial Number 1004201 32 Device Type SunBC 05 Field Position Transmission Quality Good 100 0 en it Betriebszeit Netz Ein SunBC 05 100420132 Position 1 1 Seriennummer 100420132 Status Betrieb his running Short information Fig 6 8 Sunny Data Control graphic user interface SB700 11 EE E 63 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 6 5 Measuring Channels and Messages of the Sunny Boy lf your PC i
3. Powerline SWR COM pC Sunny Boy Sunny Boy Sunny Boy eee RS232 modem Dn f os Powerline Sunny Boy Control PC Fig 6 1 Example of data transmission via Powerline SB700 11 EE 49 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description What do you need for Powerline communication e The Sunny Boy must be suitable for Powerline communication order no SWRxxxx NE 1x0 I 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 e 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 e 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 f
4. 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 Sf Gl Sunny Boy Sunny Boy Sunny Boy ee RS232 A Bs m PC Fig 6 4 Schematic layout of RS485 data transmission with several Sunny Boys flexible outer PVC isolation 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 SB700 11 EE 54 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description What do you need for RS485 communication e 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 e 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 SB700 11 EE z 55 z SMA Regelsysteme GmbH Sunny Boy 700 Technical Description PC Sunny Boy Control with DB 25 Plug in Socket Sunny Boy 485 COM1 or COM2 RS485 RS232 Interface converter SUB D 9 pin to SUB D 2
5. Sunny Boy 700 Technical Description Issue 1 0 String Inverter for Photovoltaic Plants SB700 11 EE0502 Sunny Boy 700 Technical Description Alteration Review ml Document Issue Comments Author Number and Alteration SB700 Review 11 EE0502 11 EE0502 1 0 A Translation from German Issue 1 0 Simon A Changes due to faulty documents or improvement of the documentation B Changes maintaining full or upward compatibility C Changes limiting or excluding compatibility Name Date Signature Approved Bremicker SB700 11 EE i 2 SMA Regelsysteme GmbH Sunny Boy 700 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 Icy 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 AN user and or which can cause a serious defect if not applied appropriately Example Disconnect the mains plug before opening the case This indicates an example I SB700 11 EE 7 3 7 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Table of Contents 1 OGU O NEN 6 2 MOV a IBE a A
6. Sunny Boy 700 Technical Description Blinking code 4 Input voltage PV panel too high Operation amp VD Earth Fault amp VD Failure gt amp 0 0 0 0 gt 5S 3s is 1s 1s s 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 SB700 11 EE 44 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Blinking code 5 Device failure Operation amp O amp Earth Fault amp O amp Failure gt Q Q 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 The Sunny Boy has to be checked by a qualified technician SB700 11 EE 45 SMA R
7. gt D 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 250 V DC V lt 250 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 SB700 11 EE m 29 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 4 Commissioning Safety notice IS Check that no tools wires or similar equipment are placed on the case of the Sunny Boy 700 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 lf 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 full 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 lf 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 l
8. The grid voltage may be within a range of 15 and 10 of the nominal grid voltage U Once the grid voltage exceeds this range the Sunny Boy is disconnected from the grid within 0 2 s e Grid Frequency The grid frequency may be within a range of 0 2 Hz of the nominal grid frequency f while the voltage is within a range of 30 and 15 of the nominal grid voltage U 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 0 2 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 SB700 11 EE 1 4 SMA Regelsysteme GmbH Sunny Boy 700 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 therefore has to be avoided 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 tes
9. CTS Clear To Send RI Ring Indicator Request To Send Table 6 1 Pin designation of the DB9 DB25 adapter SB700 11 EE 58 SMA Regelsysteme GmbH Sunny Boy 700 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 RS485 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 electronic 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 sufficiently discharged SB700 11 EE E 59 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Follow ESD protection countermeasu
10. Never mount the Sunny back or vertical Boy tilted to the front untere Bohrung 6 mm bottom hole 6 mm diam Sunny Boy 700 1 pc 1 pc 1 pc 1 pc 1 pc 1 pc 63 50 mm max Gesamth he des Sunny Boy 320 mm max total height of the Sunny Boy 320 mm vertikaler Abstand der Bohrungen 220 50 mm vertical distance between the holes 220 50 mm Fig 3 2 Picture of drilling template original template in appendix SB700 11 EE Pe oe SMA Regelsysteme GmbH Sunny Boy 700 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 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 SB700 11 EE E 20 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Mounting to wall Mark the hol
11. 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 1700E For PV plants around 2 2 kWp with a wide input voltage range SB700 11 EE E 8 a SMA Regelsysteme GmbH Sunny Boy 700 Technical Description i Sunny Boy 2000 The transformerless string inverter with extended input voltage range and in creased efficiency e Sunny Boy 2500 The string inverter with electric separation and a broad input voltage range 250 600 V e Sunny Boy 3000 The powerful string inverter with electric separation and optimum efficiency ideal for large scale plants e Sunny Display The optional integrated LCD display for direct data acquisition e Sunny Data The PC program for communication with your Sunny Boy inverters e Sunny Boy Control Family The intelligent control terminals for your PV plant for data acquisition visualisa tion and saving e Sunny Data Control
12. Sunny Boy 700 Technical Description 3 3 1 Connection to the Electricity Grid The Sunny Boy must be connected to the grid with three cables one phase one neutral and one protective earth PE We recommend a 16 A automatic circuit breaker No consumers are allowed on this circuit or they have to be fused separately The grid impedance value at the connection point 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 The impedance is the sum of the electricity grid impedance at house dis tribution and all impedance values of cables and clamping points 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 SB700 11 EE g 23 B SMA Regelsysteme GmbH Sunny Boy 700 Technical D
13. 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 monitors the electrical resistance of the and poles to PE The red LED is switched on whenever resistance is below 1 MQ 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 indicate 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 Multi Contact 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 Multi Contact connectors are not under load anymore SB700 11 EE z 25 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Sunny Boy 700 Configuration of the Input Voltage The Sunny Boy is designed for a nominal output power of 700 W with approximately 10 modules with 36 to 40 cel
14. 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 If 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 SB700 11 EE 61 ni SMA Regelsysteme GmbH Sunny Boy 700 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 Sunny Data manual for further information on Sunny Data JF Sunny Data File Measurement Display Options Window Help A fel Gee Device Overview WR15 008 2 WvR1 5 008 3 WR15 008 4 WR15 008 6 WvR1 5 008 7 WR15 008 8 R15 008 10 204 2054 il ANDRA A ano RA Soar AATAL AMA AAL SN 5237 SN 5237 SN 5237 PY M odul E total PV Plant 1 P Total 38823W E Total 10kWh EMT
15. 0 0 1500 Installer bood es feo eo T Start IS 50 300 0 10 0 10 0 10 0 Installer 80 Jo 97 0 730 72 0 T Stop IS 1 0 300 0 2 0 2 0 2 0 Installer Usoll Konst v 125 0 250 0 1400 Installer Peet nn a P 750 140 I NiTest mA fo 6000 4500 4000 3000 Installer Uac min v a80 300 198 198 198 Installer Uac Max v a80 300 251 251 251 Installer Fac Min Hz 49 51 4981 4981 49 81 Installer Fac Max Hz 49 51 50 19 50 19 50 19 Installer Zac Max mOhm 0 20000 1700 1700 1700 Installer dzac monm o 2000 350 350 __ 350 Installer oo Hardware Ver ee an Fixed BFS sion ana Software BER Ver i En Fixed m sion Software Ver ee En Fixed mn SRR sion Ue Trafo Josa o2z7 0 20 sma Mode mz 7 Mpp Mpp Mpp mode Installer mode mode Memory En mn none None none Installer function Default _GER ENS Installer Storage A ll Permanent Installer Table 9 1 Parameter list Sunny Boy 700 These parameters are subject to change due to improvement of the device SB700 11 EE 7 19 E SMA Regelsysteme GmbH Sunny Boy 700 10 Appendix Certificates for the Sunny Boy 700 e SMA Declaration of Conformity for the Sunny Boy 700 e Clean Report of Findings for MSD in the Sunny Boy 700 SB700 11 EE 80 Technical Description SMA Regelsysteme Gmb
16. 3 Connect the grid With sufficient power from the PV panel the Sunny Boy should now start automati cally feeding the grid SB700 11 EE 48 SMA Regelsysteme GmbH Sunny Boy 700 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 ee A Sunny Boy Sunny Boy Sunny Boy Powerline Sunny Boy Control m
17. 5 pin No 39 0020 4 Sunny Boy Control Plug in DB9 PC with interface converter Socket DB9 6800 9 8 7 6 1 Sunny Boy Jumpers MOSR15 SP not mounted Resistors Ne under the Piggy Ka Back module must var ofe E be removed es o0 ear g es ee 4 Ld 123456789 10 l 929 ne as N sssusesnnnunsnnnnnsnnnnnnannnnnnnn connect shield e ee N i O lee eo Nodon En to case PE En eef nd sect D 2 Sunny Boy Jumpers Se MOSR15 SP not mounted 4 Resistors we under the Piggy et Back module must oee SE gt be removed EREN ES NJ 1 IKN S A ee Sanneersnield ne os wannnunnnanssnnsensnnnnnnsensnnnen to case PE oe ee o EN Ib ee ee EC CC ee 9 PT 1 Up to 50 Sunny Boys last Sunny Boy MOSR15 SP connect shield to case PE Resistors under the Piggy Back module must be removed 123456 7 8 Fig 6 6 System control board Sunny Boy with RS485 cabling SB700 11 EE 56 SMA Regelsysteme GmbH Sunny Boy 700 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 converter lf you are using a PC instead of a Sunny Boy Cont
18. EEPROM dBh EEPROM cannot be read or written in 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 Bir F Uac Srr SB700 11 EE 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 Vac fac and 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 5 65 z SMA Regelsysteme GmbH Sunny Boy 700 F UpvMax F Zac B r F Zac Srr F Watchdog F ROM SB700 11 EE Technical Description 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 Failure during ROM test E 66 SMA Regelsysteme GmbH Sunny Boy 700 6 6 Measurement Precisi
19. ER R A iee 7 2 1 SWING TECHNOlOGY reer eten 8 2 2 Diagnosis and Communication nana annn oneens een ennnenenenene ennen ennn 10 2 3 Technical design of the Sunny Boy 700 annen eneen eneen ven 11 3 MUS TANTO wise secs ce cadeseaiasca cadet de ninco vende ak ae date sdeeck Us teutdati cent cadedeatadaeceaesnets 16 3 1 What must be done in case of transport damages unne 16 3 2 Placement OF Ihe SUNNY BOY naasten kane n 17 3 3 Elect CONNECHON ressextacesiasseat ancien S 22 3 3 1 Connection to the Electricity Grid acasc naaa 23 3 3 2 Connection of Ihe PV DanelS enaner eneen dius sevens 25 A GOMIMISSIONING oenen street ebben 30 5 Operation and Failure Indication LEDS nun ean vennen ennn ene nenen eenen 32 5 1 Opening and closing of the SUNNY BOY ccccccceeceeceeeeeeeeeeesseeeesaaeeees 46 6 System Monitoring and Diagnosis ccccccseececeeececeeeeesseeeeeeeeeeeseeeeeeseeeeesaees 49 6 1 Data Transmission via Powerlin uunesvenen ennen enen venen ennen ennen 49 6 2 Data Transmission with a Separate Data Cable en 51 6 3 Upgrading or modification of the Sunny Boy interface ees 59 6 4 Graphic User Interface under Windows nun nanene ene nen eneen 62 6 5 Measuring Channels and Messages of the Sunny Boy 64 6 6 Measurement PreCISION visieiexceavetwaedsaieceaunteicia erdee avant 67 E _TOUBIESNOONMNO eere denderende eenen 68 8 Warranty Regulations and Liabi
20. H Sunny Boy 700 Technical Description SB700 11 EE z 81 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description SB700 11 EE z 82 a SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Information about SMA Further literature about the Sunny Boy inverter family Technical Description Sunny Boy 700 850 Technical Description Sunny Boy 1100E Technical Description Sunny Boy 1100LV Technical Description Sunny Boy 1700E Technical Description Sunny Boy 2000 Technical Description Sunny Boy 2500 Technical Description Sunny Boy 3000 User Manual Sunny Data User Manual Sunny Data Control User Manual Sunny Boy Control User Manual SWR COM Socket Powerline Modem Sunny Boy Info periodical newsletter with up to date information on the Sunny Boy SMA CD products technical documentation driver 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 SB700 11 EE z 83 z SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Sunny Boy in the Internet You can find our Internet website at HT TP WWW SMA DE e The latest information concerning the Sunny Boy inverter family e The newest Sunny Data software for downloading e 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 serv
21. The PC program for visualization of data from your Sunny Boy Control SMA is the European market leader for inverters for photovoltaic applications with over 100 MW of installed inverter power in over 60 000 single units with powers from 700 W up to 500 kW 11 01 The Sunny Boy is the result of a dedicated develop ment resulting from the substantial experience with utility interactive inverters for photovoltaics SB700 11 EE E 9 5 SMA Regelsysteme GmbH Sunny Boy 700 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 e PC with Sunny Data for Windows for small and medium size PV plants also with Sunny Boy Control e Sunny Boy Control as stand alone c
22. allation 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 SB700 11 EE 7 1 2 i SMA Regelsysteme GmbH Sunny Boy 700 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 electricity 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 Mechanics 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 th
23. at has been certified by the Berufsgenossenschaft fur Feinmechanik und Elektrotechnik The regulation is called Automatic disconnecting facility for photovoltaic installations 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 SB700 11 EE 7 1 3 z SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Conditions that cause the Sunny Boy to be disconnected from the grid e Grid Impedance The Sunny Boy does not start to feed to the grid if the grid impedance Z 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 AZ 2 0 5 Q or AC the impedance gets too high Z 2 1 75 Q AC e Grid Voltage
24. ault should be found and removed by taking appropriate measurements e Close the Sunny Boy as described in chapter 5 1 SB700 11 EE 7 40 n SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Failure Indication Consistent Failure Earth Fault amp Failure Operation 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 SB700 11 EE 41 7 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Blinking code 2 Grid Failure Operation amp DV OAH Earth Fault 69 VD WV amp Failure gt amp 0 O gt 5S 3s 1s 1s 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 see also Table 9 1 on page 79 e Low grid voltage lt V see e High grid voltage gt Vicma e Low grid frequency lt fo e High grid frequency gt fremad o Drastic change of frequency gt IdF Check the electric grid supply check the function of other electric consumers and check the fuse of the main
25. cted with the ground SB700 11 EE je 38 z SMA Regelsysteme GmbH Sunny Boy 700 Technical Description e 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 Erdschluf3 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 description on how qualified personnel can distinguish between these and conduct the ap propriate countermeasures is given in the following Please take note of all relevant information in chapter 3 3 Electric Connection 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 9 Interior of the Sunny Boy 700 with a screwdriver Co
26. de SB700 11 EE 15 E SMA Regelsysteme GmbH Sunny Boy 700 Output values grid Nominal power P ACnom Peak power P Acmax Harmonic distortion of output current K at K 4 lt 2 Pc gt 0 5 Pio Short circuit protection AC Ugrid Output range grid voltage U Output range grid frequency i All pole disconnection grid side Phase shift angle p based on fundamental current 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 Tiras Euro eta Neuro SB700 11 EE 6 Technical Description 460 600 700 W 460 600 700 W lt 3 grid side current controlled 198 251 VAC 49 8 50 2 Hz Mains monitoring with allocated Switching devices MSD double 0 1 2 kV 1 5 s piece type testing 4 kV serial interface 6 kV Optional Optional RS232 RS485 electrically separated gt 93 4 gt 92 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 100 90 80 70 60 50 40 30 20 0 10 20 30 40 50 60 70 80 90 100 Fig 9 3 Sunny Boy 700 efficiency P P acnom grid voltage 10 ms 20 ms Fig 9 4 Output current and output voltage of the Sunny Boy SB700 11 EE E T1 E SMA Regelsyste
27. egelsysteme GmbH Sunny Boy 700 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 setting up the input voltage range follow the instructions given below Opening of the Sunny Boy A 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 page 47 on the lid M5 SB700 11 EE 7 46 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Sunny Doy SWR 700 Photovoltaic string inverter Photovoltaik Stringwechselrichter string inverte Fig 5 2 Front view of the Sunny Boy 700 AMY Betrieb Operation Erdschluf3 Earth Fault St rung Failure 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 f
28. ernet for download at http www sma de ftp energietechnik sunnyboy GenAu GenAu exe SB700 11 EE E 12 T SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Minimum MPP voltage of the PV panel lf the temperature of the PV cells is very high the MPP voltage of the PV panel de creases If there is a fixed lower limit of the MPP voltage on the inverter it is not pos sible to feed the maximum available PV panel power to the low voltage electricity grid The inverter stays at the lower input voltage limit and cannot follow the MPP of the PV panel any more Therefore the Sunny Boy has got a flexible MPP voltage range There is a fixed ratio of the minimum MPP voltage V from the Sunny Boy to the PV panel and the grid voltage V as shown in Fig 9 1 The minimum DC voltage is determined according to the current grid voltage The flexible MPP voltage range allows for optimum utilization of the inverter s characteristics and a higher power yield 130 125 120 S115 S E 410 Q 105 100 95 251 V AC 90 185 190 195 200 205 210 215 220 225 230 235 240 245 250 255 260 265 Vac V Fig 9 1 Minimum MPP voltage of the Sunny Boy 700 in the input voltage range of 125 V 250 V DC SB700 11 EE 13 z SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Depending on grid voltage the following minimum MPP voltages result from the three p
29. es 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 Check the mounting of the inverter SB700 11 EE z 21 pr SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 3 3 Electric Connection The 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 on page 48 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 AC fuse on Disconnecting the Sunny Boy must be done in the opposite order 1 Disconnect the inverter from the grid automatic circuit breaker OFF 2 Disconnect the PV panel from the Sunny Boy pull the MC plugs 3 Remove the AC connector from the Sunny Boy SB700 11 EE pr 22 T SMA Regelsysteme GmbH
30. escription Cable seal PG16 ET Cable seal PG13 5 Socket tube A case for PG13 5 Rubber ring Socket for PG13 5 Threaded ring Fig 3 4 AC connection socket e Push the rubber ring into the fastening case e Put the cable through the PG 13 5 or 16 cable seal Put the cable through the fastening case with the rubber ring and through the socket tube 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 e Make sure that all wires are firmly connected e Push the socket tube firmly onto the socket e screw the cable seal firmly onto the socket tube e For cables that require the PG16 gland Tighten the bolt of the PG16 gland e 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 SB700 11 EE 24 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description e 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 3 3 2 Connection of the PV panels Safety Notice The inverter system is electrically separated in order to provide maximum protection
31. esponsible for the correct selection or derly 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 includ ing claims for damages from positive contract violation are excluded insofar as not otherwise compelling stated by law a 71 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 9 Technical Data Input variables PV modules Maximum open circuit voltage of the PV strings It is essential to check if the PV modules produce a voltage within the specified tolerable input voltage range in their rated temperature range The maximum open circuit voltage of the connected PV string may not exceed the specified maximum DC input voltage The open circuit voltage of the PV panel depends on its cell temperature as well as solar radiation The maximum open circuit voltage of the PV panel is reached at the lowest cell temperature Therefore when planning a PV plant take into account the lowest possible ambient temperature of the PV panel Based on this temperature the maximum open circuit voltage of the PV panel can be calculated if the type of PV module is known You can enter these data into our EXCEL file GenAu and check whether the maximum admissible input voltage of the Sunny Boy is not exceeded in any possible operating state You will find this tool in the Int
32. gned To find the optimum location please consider the following most important criteria Criteria for device mounting e 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 e 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 Avoid mounting on resonant parts e g thin wooden panels plaster panels etc e Provide accessibility for installation and later service e Installation at level height makes it possible to easily view the operating LEDs SB700 11 EE 7 1 7 7 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Please note the following points in any case N e The mounting background must be firm The ambient temperature must lie between 25 C and 60 C e 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 e Do not expose the string inverter to direct sunlight this could reduce the energy yield if necessary install a sun shield A minimum distance of 200 mm must be clear above the inverter for ventilation i e no cupboards ceiling etc e The free air circulation around the case must not be obstructed to ensure sufficient cooling e If y
33. has stopped operation among other things the measurement electron ics 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 OD Green LED blinking once per second Earth Fault Red LED off Failure amp 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 SB700 11 EE 7 36 g SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Operation Operation D Green LED on Earth Fault 6 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 e 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 P is set by changing the required PV voltage at the PV panel e 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 Bo
34. he 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 necessary contact the installer e Check the Status and Failure messages in one of the monitoring system de scribed in chapter 6 if present e Contact the Sunny Boy service if the system malfunction consists The address is listed in the appendix SB700 11 EE 7 68 g SMA Regelsysteme GmbH Sunny Boy 700 Technical Description In order to let your PV plant operate again as soon as possible it is essential to pro vide the following information 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 lf 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 Su
35. ice Those who want to know more about SMA Regelsysteme GmbH and its products are very welcome to visit us on our homepage SB700 11 EE E 84 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description e Address SMA Regelsysteme GmbH Hannoversche Stra e 1 5 D 34266 Niestetal e Telephone 0561 9522 0 operator 0561 9522 499 Sunny Boy Service e Fax 0561 9522 100 main fax 0561 9522 4699 Sunny Boy Service e eMail info sma de Internet http www sma de Appendix drilling template SB700 11 EE 7 85 E SMA Regelsysteme GmbH
36. lity anna uan eneen erven en veneen ven 70 Eea ale DEL EN 72 VO TO SING antennata ear aol ath ceases att ae shea E 80 SB700 11 EE i 4 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description SB700 11 EE 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 7 5 7 SMA Regelsysteme GmbH Sunny Boy 700 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 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 F
37. ls each This results in an input voltage of 125 V to 250 V DC The Sunny Boy 700 can be specially configured in order to be able to process volt ages from PV generators with less than 10 modules with 36 to 40 cells each PV module strings with 8 or only 6 modules are possible which produce a voltage of 100 V to 200 V DC or 75 V to 150 V DC Is SB700 11 EE Reduction of the input voltage results in a reduction of the output power of the Sunny Boy 700 e 100 V to 200 V results in a nominal output power of 600 W e 75 V to 150 V results in a nominal output power of 450 W It may be necessary to configure the Sunny Boy 700 input voltage range according to the number of connected PV modules This is done with the jumpers and the adapter blocks on the boards inside the inverter The configuration must be done with the inverter defi nitely disconnected from the grid and the PV modules The default input voltage range of the Sunny Boy 700 is 125 V to 250 V DC m 26 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description jumper for input voltage configuration greene rede yellowe connector block for input voltage configuration Fig 3 5 Position of adapter block and jumpers 2 insert cable in connector and remove screwdriver 1 release internal clamp with screwdriver
38. me GmbH Sunny Boy 700 Technical Description Power consumption Power consumption during operation lt 4W Power consumption during stand by lt 0 1 W Certifications EMC DIN EN 50081 part 1 EN 55014 EN 55011 section 1 class B DIN EN 50082 part 1 Grid concurrency DIN EN 61000 3 2 DIN EN 60555 part 2 Grid monitoring Mains monitoring with allocated switching devices M in accordance with VDEW E DIN VDE 0126 11 94 Low voltage regulation DIN EN 50178 4 98 VDE 0160 DIN EN 60146 part 1 1 3 94 VDE 0558 part 11 Device Protection Protection in accordance with IP65 DIN EN 60529 Weight and Dimensions Dimensions w x h x d approx 322 x 290 x 180 mm Weight approx 16 kg Ambient Conditions for Operation Tolerable ambient temperature 25 C to 60 C Tolerable relative humidity 0 100 class 3K6 SB700 11 EE 7 78 z SMA Regelsysteme GmbH Sunny Boy 700 Parameter List Sunny Boy 700 Technical Description All parameters are transmitted to Sunny Data or to the Sunny Boy Control when the Sunny Boy 700 is configured The following table shows the available parameters Name Unit Range Default for PV input voltage Chang Chang from to 125 250V 100 200v 75 150v SMA SN e Fixed Upv stat v 1250 25
39. ndicates 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 Indicator 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 SB700 11 EE 7 32 T SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Sunny EM Doy Betrieb Operation Erdschluss 7 SWR 700 Earth Fault Photovoltaik Stringwechselrichter St rung _ Photovoltaic string inverter Failure Fig 5 1 Front view of part of the Sunny Boy Description of the symbols used in the following section LED off LED blinks once per second LED blinks fast ca three times per second LED is constantly on OSS not relevant SB700 11 EE a 33 E SMA Regelsysteme GmbH Sunny Boy 700 SB700 11 EE LED indicator __LEDindicator _ green red yellow green red yellow green red yellow green red yellow green red yellow green red yellow green red yellow green red yellow SS ese e 208 Technical Description Operating Condition Condition Description standby night input voltage lt 60 V initialization input voltage gt 60 V stop changing
40. nnect the connectors 2 and 3 of the terminal strip on the main board Connect the PV panel by the MC plug connector Connect the grid voltage If the red LED is off see A if the LED is on see B SB700 11 EE m 39 E SMA Regelsysteme GmbH Sunny Boy 700 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 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 e Disconnect the inverter from the grid e 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 e 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 e 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 lf the red LED is off the isolation of the Sunny Boy or the connection cabling is defec tive e Disconnect the Sunny Boy from the grid e Disconnect the PV panel from the inverter by MC plug connectors o Now the isolation f
41. nny Boy was delivered in if the Sunny Boy has to be sent to the manufacturer SB700 11 EE E 69 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 8 Warranty Regulations and Liability lf 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 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 necessar
42. on Technical Description 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 current 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 8 of 25 C Other temperatures must be evaluated with respect to the inaccuracy resulting from these different temperatures laa Inout voltage Input current Grid voltage Grid current Grid frequency Energy yield Operating hours SB700 11 EE Output power MN lt py mA P o W al E kWh U VY Lo MA fto Hz 0 4 29 10 S ne 1s sie pe Range Resolution Display Measurement 0 320 V 1V a 0 55 V a aa 1 mA 10 mA 190 300 V 1V 0 3 V E 1 mA 12 mA 45 65 Hz 0 01 Hz 0 01 Hz 0 1800 W NEN 1 W 1 W 0 4 29 10 Wmin ae ta 20 Wmin 0 67 us Table 6 2 Mies suremeri accuracy of the Sunny Boy Maximal failure SMA Regelsysteme GmbH Sunny Boy 700 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 t
43. ontroller for any PV plant size e 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 e Continuous acquisition of operation data of all connected Sunny Boys Supervision of operating states and failure indication e Spot value transmission from one or several selected Sunny Boys e Identification of failures in the single strings e Graphical representation of the data from single Sunny Boys or comparison of the data of several ones e Modification of operation parameters to optimise the entire plant SB700 11 EE 7 1 0 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 2 3 Technical design of the Sunny Boy 700 The Sunny Boy inverter is based on a power unit that operates with a very high effi ciency and optimal reliability A MOSFET bridge converts the direct voltage coming from the PV modules to a high frequency AC secondary circuit with 16 kHz The volt age is then fed to the grid after being processed by a low loss toroidal core current transformer QO 1 PV String c 2 O 2 o a 0 D fav o gt D 02 Z Grid a 7 Control circuit ee o gt f Orerational contro A Modem supply en optional OO OO MSD 2 MSD 1 1 Fig 2 2 Block circuit diagram of the Sunny Boy 700 The PV input voltage range of the Sunny Boy 700 is designed f
44. operating condition or manually initiated condition waiting starting starting conditions are being checked are being checked checking grid normaloperation a operation feeding grid MPP or constant voltage mode isolation failure earth fault of the PV panels or failure of fault of the PV panels or failure of surge voltage protection internal or external failure exact descrip tion depending on blink code failure permanent device disable failure of MSD Table 5 1 Sunny Boy operation indication overview 34 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Operation Indicator Standby night Operation QS All LEDs are off Earth Fault amp Failure Q The Sunny Boy is in standby night mode The input voltage is too low U lt approx 60 V to supply the Sunny Boy control system with enough power Initialization Operation All LEDs are on Earth Faut Failure The Sunny Boy control system is initializing The string voltage to the inverter is above approx 60 V The supply is sufficient for the system control and not quite sufficient for feeding to the grid Data transmission is not possible yet SB700 11 EE 7 35 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Stop Operation 62 Green LED blinking approx three times per second Earth Fault Red LED off Failure amp Yellow LED off The inverter
45. or Sunny Boy Control refer to the according manuals SB700 11 EE m 50 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 6 2 Data Transmission 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 lf 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 a 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 lf a Sunny Boy Control is used instead of the PC an RS485 connection is necessary See section RS485 communication for details SB700 11 EE 7 51 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description What do you need for RS232 communication e A special RS232 Piggy Back module and an appropriate cable gland for the Sunny Boy The visualization softwa
46. or up to 10 standard PV modules It can be configured with three different voltage ranges so that even small PV panel power can be optimally utilized see chapter 3 3 2 The current fed to the grid is perfectly sinus shaped and has a very low harmonic distortion due to the fact that a one chip computer manages the control The sequen tial control system takes care of 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 sequential control system also manages the communication with the corre sponding SMA data analysis tools Sunny Display Sunny Data and Sunny Data Con SB700 11 EE 1 1 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description trol 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 associations 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 inst
47. ossible input voltage ranges of the Sunny Boy 700 ae ae NN 18V to tt 230 V 116 93 70 251 V 126 101 76 According to Fig 9 1 a grid voltage of V 230 V results in a minimum MPP voltage of V 116 V in the input voltage range At 70 C the MPP voltage of the connected strings may not fall below the respective input voltage range Virre gt Min input voltage range Max input open circuit voltage Vive 250 V DC Input voltage MPP range Voy 116 V 250 V DC 700 W psen 93 V 200 V DC 600 Wrenn 70 V 150 V DC 460 Wacon Max input current lifes 7 0 A Max input power Pay 780 W Recommended max PV power oe 1000 W Vicon see p 73 SB700 11 EE 4 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Sunny Boy 700 150 V Sunny Boy 700 200 V Sunny Boy 700 250 V 50 100 150 200 250 Vpv V Fig 9 2 Input current as a function of input voltage of the Sunny Boy I gt The inverter is not damaged if the input current supplied by the connected PV panel exceeds the maximum that can be used How ever the input voltage has to be within the admissible input voltage range All pole disconnection on DC side MC plug connector Over voltage protection thermally monitored varistors Voltage ripple U lt 10 Personnel protection earth fault monitoring R gt 1 MQ Pole confusion prevention short circuit dio
48. ou install the Sunny Boy in a cabinet or closet etc the air circula tion must be sufficient for heat dissipation provide external ventila tion e The heat sink can reach a temperature of more than 80 C e Provide a correct position of the inverter see below I SS mount inverter Never straight or mount tilted tilted to back to front Fig 3 1 How to mount the inverter SB700 11 EE 1 8 a SMA Regelsysteme GmbH Sunny Boy 700 Packing list for mounting and installation Technical Description The following components provide for safe and simple installation of the Sunny Boy and are included in the packing list Drilling template in appendix AC connection socket set Seal for AC connection socket Seal for MC plug seal for MC socket Cable gland PG16 Tabelle 3 1 Packing list for mounting and installation Bohrschablone Sunny Boy 700 850 850E 1100 1100E 1700E oben Drilling Template for the Sunny Boy 700 850 850E 1100 1100E 1700E top Abstand der oberen Bohrungen 217 50 mm distance between the holes on the top 217 50 mm Lage der oberen Bohrungen f r 6 mm Schrauben position of the holes on the top for 6 mm screws Gesamtbreite des Wechselrichters 324 50 mm the total width of the Sunny Boy is 324 50 mm Achtung Please note Sunny Boy senkrecht oder nach Niemals nach vorne hinten geneigt montieren geneigt montieren Mount the Sunny Boy tilted to the
49. ow as possible The Sunny Boy requires a maximum 4 W internal consumption which it takes from the PV panel lf you measure the voltage coming from the PV modules you must keep in mind the inverters 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 SB700 11 EE 30 a SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 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 Failure Indication LEDs SB700 11 EE 31 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 5 Operation and Failure Indication LEDs General The inverter normally operates automatically without user interaction and without any maintenance The inverter 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 i
50. pany 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 inverter to the manufacturer please use the packaging the inverter was sent in SB700 11 EE 7 1 6 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 3 2 Placement of the Sunny Boy The Sunny Boy is a complicated electronic device and is therefore sensitive to humidity within the case Icy If the Sunny Boy is placed outside the humidity during 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 desi
51. re Sunny Data is installed on the PC e The light blue resistors Fig 6 3 on the system control board are removed e Some PCs are equipped with a 25 pin COM port In this case a small adapter is necessary order no 39 5010 Installation o Please read chapter 6 3 carefully e 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 SB700 11 EE s 52 T SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 232 PB G3 ___ Piggy Back socket a GG en A34 5167 8910 Jumpers light blue resistors Shield not mounted removed connect shield to case PC with DB9 mn plug in COM1 COM4 PC or X O O pe ql PC with DB25 A mm plug in BEE COM1 COM4 PC Fig 6 3 System control board Sunny Boy with RS232 cabling SB700 11 EE 53 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description RS485 communication
52. res 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 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 resistors Fig 6 6 on the system control board by cutting them out with a wire cutter e Only for installation of a board for Powerline Communication Please make sure that the 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 back 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 SB700 11 EE 7 60 a SMA Regelsysteme GmbH Sunny Boy 700 Technical Description e Lead the communication cable through the contact unit of the PG cable gland
53. rol switch the interface con verter RS485 RS232 ordering no 39 0020 to DTE The transmission cable is terminated on the last Sunny Boy on the cable There a termination 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 beginning 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 These resistors are not required for communication with the Sunny Boy Con trol if the corresponding jumpers were plugged on 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 RS485 connection is 1200 m 4000 ft It is essential to connect the outer shielding to protective earth PE on both ends lf necessary an adapter for the RS232 plug from the interface converter to the PC 9 pin to 25 pin SB700 11 EE m 57 E SMA Regelsysteme GmbH Sunny Boy 700 9 pin to 25 pin adapter om pes ee ee Oo CO N O A A W N N 22 Technical Description Description DCD Data Carrier Detect RX Receive Data TX Transmit Data DTR Data Terminal Ready GND Signal Ground DSR Data Set Ready RTS
54. ront of you and can see the position of components and clamps relevant for you You will find The internal fuse e The thermally monitored varistors The control system board with the socket for the piggy back board for the com munication e The adapter block and the jumpers to set up the input voltage range SB700 11 EE 47 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description communication Piggy Back Resistors for Communication ee ee Connector for data transmission cable DC connection Opening for AC connector Multi Contact communication cable Fig 5 3 Interior of the Sunny Boy 700 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
55. s connector to the Sunny Boy lf 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 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 SB700 11 EE 42 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Blinking Code 3 Grid impedance too high Operation Q VD WV WV W amp Earth Fault 9 VW WV VW amp Failure gt amp 0 0 0 gt 5s 3s 1s 1s 1s semaanenes 3B Xrrreneeneer 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 Z 2 1 25 Q the Sunny Boy may not connect to the grid This failure can normally be avoided by increasing the cross section of the AC cable connected to the inverter SB700 11 EE 43 SMA Regelsysteme GmbH
56. s 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 SRR Betriebsf hrungsrechner Sequential Control System Stromregelungsrechner Current Control System Measuring Channels Upv lst Upv Soll lac Ist Uac Fac Pac Zac Riso lpv E Total h Total Netz Ein Seriennummer Status Fehler SB700 11 EE PV input voltage PV desired voltage of the internal Upv control current to the grid grid voltage grid frequency power fed to grid grid impedance isolation resistance current from PV panels energy yield total operation hours total system start ups Sunny Boy serial number status failure description for status failure 7 64 z SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Status Messages Stop Offset Warten Netzueb Zuschalt MPP Such MPP U Konst Derating Stoer manual system stop offset calibration of the electronics grid conditions are not fulfilled yet checking grid grid impedance electronics are connecting to grid PV voltage is determined and set Sunny Boy is in MPP mode Sunny Boy is in constant voltage mode Reduction of current fed to the grid failure Error messages F Bfr Srr F EEPROM communication between microcontrollers is failing EEPROM cannot be read or written in F
57. ting 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 e The intensive testing of the disconnection device by the electricity company and the installer and e 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 SB700 11 EE 7 1 5 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description 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 com
58. 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 Photovoltaic Sunny Boy Modules String Inverter Electrical Grid Fig 2 1 Grid tied PV plant SB700 11 EE T g SMA Regelsysteme GmbH Sunny Boy 700 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 modules 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
59. urthermore 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 700 Dont 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 SB700 11 EE 7 6 7 SMA Regelsysteme GmbH Sunny Boy 700 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 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
60. y Control or with the Sunny Data software In the constant voltage mode the Sunny Boy uses a strictly defined PV voltage setpoint SB700 11 EE 7 3 E SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Earth Fault Indicator Insulation failure defective varistor Operation C Earth Fault Red LED on Failure 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 e 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 conne
61. y time and opportunity to repair the de fects SB700 11 EE 7 70 7 SMA Regelsysteme GmbH Sunny Boy 700 Technical Description Exclusion of Liability Excluded are any warranty claims and liability for direct or consequential damages due to e transportation damages e improper installation or commissioning improper alterations modification or repairing attempts e inappropriate use or operation e any installation and operation beyond the specification covered by according relevant safety regulations VDE etc e or force majeure lightning over voltage storm fire iy SB700 11 EE 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 distortion resp high frequency line distortions like industrial power supply grids or in the neighborhood of irregular consumers unshielded motors switching power supplies converters etc Furthermore the simultaneous operation of babyphones may lead to short time data transmission disturbances or interrup tions 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 sufficient repair Only the customer is r

Sunny Boy 700 - SMA Solar Technology AG

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