SMA SUNNY BOY 2500, Installation Manual

Page 1: ...Sunny Boy 2500 String Inverter Sunny Boy 2500 Installation Guide Version 1 2 SB2500 11 SE2006 IME SB2500 ...

Page 2: ......

Page 3: ...for a trouble free and safe operation of the product Please read these sections care fully in order to avoid any damages of the equipment and for op timal personal protection This symbol indicates information that is required for the optimal operation of the product Read these sections carefully in order to ensure an optimal ope ration of the product and all its features This symbol indicates an e...

Page 4: ... values Disasters and force majeure Software Licensing The use of the provided software by SMA Technologie AG is subject to the following conditions The software may be reproduced for internal purposes and installed on any number of computers Provided source codes can be changed and adjusted on the company s own authority according to the internal purpose Driver may be ported to other operating sy...

Page 5: ...enerator requirements 15 4 3 Low voltage grid 230 V AC 15 5 Installation 19 5 1 Mounting the unit 19 5 2 Electrical installation 20 5 3 Startup 27 6 Opening and closing the Sunny Boy 29 6 1 Opening the Sunny Boy 29 6 2 Closing the Sunny Boy 29 7 Technical data 31 7 1 PV generator connection data 31 7 2 Grid connection data 31 7 3 Device description 32 7 4 Sunny Boy 2500 Operating parameters 33 8 R...

Page 6: ...Table of Contents SMA Technologie AG Page 6 SB2500 11 SE2006 Installation Guide ...

Page 7: ...acks which has been delivered with the device If you require further information please call the Sunny Boy hotline on the following number 49 561 95 22 499 The installation of the Sunny Boy may only be done by qualified technicians The installer must be approved by the utility company Please read the installation guide carefully before you begin with the installation The installation of utility in...

Page 8: ...Foreword SMA Technologie AG Page 8 SB2500 11 SE2006 Installation Guide ...

Page 9: ...he lid removed the AC and DC voltages MUST be disconnected from the Sunny Boy and it must be sure that all capacitors are discharged The Sunny Boy must be disconnected from the mains and precautions must be taken to prevent the grid being reconnected In addition the connections to the PV generator must be disconnected After isolating the AC and DC voltage you must wait approx 30 minutes for the ca...

Page 10: ...Safety information SMA Technologie AG Page 10 SB2500 11 SE2006 Installation Guide ...

Page 11: ...rview of the various components and connection points inside the Sunny Boy 2500 with the lid removed PE L N Varistors page 35 Socket for communication RS232 RS485 NLM Piggy Back Radio PE protective earth connecting cable for lid Slot for display unit Operating status LEDs Communications connector Connection plug AC page 21 PV input plug DC page 26 ...

Page 12: ...Overview SMA Technologie AG Page 12 SB2500 11 SE2006 Installation Guide 3 2 External dimensions 214 mm 295 mm 434 mm ...

Page 13: ...perature can reduce the yield of the PV system The Sunny Boy is designed to be mounted on a vertical wall For an optimum energy yield and the most convenient operation vertical installation at eye level is preferable In case it is absolutely necessary to tilt the Sunny Boy to the back the maximum angle is 45 If installing the unit outdoors make sure that it is not slanted forwards It is not recomm...

Page 14: ...o a solid surface The Sunny Boy 2500 will emit a slight noise during operation This noise can be annoying when the Sunny Boy is installed within a living area Unintentionally pulling out the DC plug connector under load can damage the plug and result in bodily injury or death Install the Sunny Boy in such a way that it is not possible e g for children to unplug the DC plug connector unintentionall...

Page 15: ... order codes for the various connectors are as follows Multi contact 3 mm SWR MC Multi contact 4 mm MC SET Tyco TYCO SET 4 3 Low voltage grid 230 V AC The Sunny Boy must have a three conductor connection to the mains live L neutral N protective earth PE The grid connection terminals on the AC connection socket included in the accessories kit can take wires with a cross section of up to 2 5 mm The ...

Page 16: ...e line circuit breakers in order to avoid overheating in case of overheating the line circuit breaker could trigger earlier Selectivity Protection class of the connected load VDE 0100 part 410 Protection against electric shock and or the international standard IEC 60364 4 41 1992 The following standards1 should be followed in all cases DIN VDE 0298 4 Types of cable installation and conducting capa...

Page 17: ...xceed 1 at the nominal power Line losses depending on the cable length and cross section are shown in the graph below The compitation is based on copper cables with several wires phase and neutral Cable losses of the Sunny Boy 2500 The maximum cable lengths for the different cable cross sections are as follows Conductor cross section 1 5 mm 2 5 mm Max length 10 m 15 m 0 0 0 2 0 4 0 6 0 8 1 0 1 2 1...

Page 18: ...e to use other settings The Sunny Boy 2500 is equipped with an automatic 50 Hz 60 Hz utility frequency detection It can therefore be connected to a 50 Hz or 60 Hz utility without any further configuration changes Pay attention to the local utility regulations in any case Limit values for AC output Voltage range 198 V 260 V Frequency range 49 8 Hz 50 2 Hz Voltage range without MSD independent disco...

Page 19: ...s be sure to take into account the weight of the Sunny Boy 2500 30 kg 1 Fit the wall bracket 1 To mark the positions to drill the holes you can use the wall bracket as a drilling template 2 Now hook the Sunny Boy 2500 onto the wall bracket 2 at its upper mounting plate so that it cannot be moved sideways 3 Fix the Sunny Boy 2500 onto its bracket by screwing the supplied M6x10 bolt into the central...

Page 20: ...ie AG Page 20 SB2500 11 SE2006 Installation Guide 5 2 Electrical installation The complete wiring for a Sunny Boy 2500 is shown schematically in the following diagram Check the correct polarity before you connect the PV strings ...

Page 21: ...s Before you connect the mains cable to the AC connection socket make sure that no voltage is present at the cable 1 Check the grid voltage If this is higher than 260 V the Sunny Boy 2500 will not be fully operational In this case contact the local grid operator for assistance Max 260 V The maximum grid voltage for feeding electricity into the grid is 260 V 2 Isolate the grid connection switch the...

Page 22: ...e 3 Now connect the individual conductors to the socket element in sequence Protective earth PE green yellow to the screw terminal with the earth sign It is required that the PE wire is slightly longer than the L and N wires Neutral conductor N blue to screw terminal 1 Live L brown or black to screw terminal 2 Terminal 3 remains unused 4 Make sure the wires are securely connected Sealing ring Cord...

Page 23: ...t using the cap supplied in the accessory kit If the Sunny Boy is already installed you can now connect up the fully assembled AC connection socket to the flange plug on the Sunny Boy To do this remove the transparent protective cap from the flange plug on the Sunny Boy Firmly tighten the threaded ring on the AC connecting socket to the flange plug to seal the connection and secure it Do not switc...

Page 24: ...reen yellow to the screw terminal with the earth sign It is required that the PE wire is slightly longer than the L and N wires Neutral conductor N blue to screw terminal 1 Live L brown or black to screw terminal 2 Terminal 3 remains unused 3 Make sure the wires are securely connected 4 Now screw the threaded sleeve onto the socket element and tighten it Threaded sleeve Pressure screw with PG16 sc...

Page 25: ...sing the cap supplied in the accessories kit If the Sunny Boy is already installed you can now connect up the fully assembled AC connection socket to the flange plug on the Sunny Boy To do this remove the protective cap from the flange plug on the Sunny Boy Firmly tighten the threaded ring on the AC connecting socket to the flange plug to seal the connection and secure it Do not switch the line ci...

Page 26: ...e DC plug connector of a string and earth potential 3 If the measured voltages are constant and if their total is roughly the same as the open circuit voltage of the string then there is a ground contact in this string Its approximate location can be deduced from the relationships between the voltages Do not connect strings to the Sunny Boy 2500 that contain a ground contact until you have fixed t...

Page 27: ...lanner installer should be called upon for assistance If despite checking the string voltages the LED signal occurs again when the PV generator is connected to the Sunny Boy 2500 disconnect the PV generator from the Sunny Boy again and contact SMA Technologie AG see section 10 Contact page 43 1 First of all switch the line circuit breaker to the on position 2 Check whether the LEDs indicate troubl...

Page 28: ...n Red Yellow Status on off off OK grid feeding on off failure on OK initialization blinking quickly 3 x per second off off OK stop on off failure on blinking 1 x per second off off OK waiting grid monitoring on off failure on blinking shortly off 1 x per second off off OK derating on off failure off off off OK stand by off blinking failure pon off failure off blinking failure ...

Page 29: ...emove it from the lid and take the lid off 6 2 Closing the Sunny Boy 1 Reconnect the earth wire PE to the lid Now secure the lid to the Sunny Boy 2500 by tightening the four screws evenly 2 Connect the PV generator 3 Switch the line circuit breaker to the on position 4 Now check whether the LED display on the Sunny Boy 2500 indicates that the device is functioning correctly If you need to open the...

Page 30: ...Opening and closing the Sunny Boy SMA Technologie AG Page 30 SB2500 11 SE2006 Installation Guide ...

Page 31: ...nitoring Riso 1 MΩ Operating consumption 7 W standby Reverse polarity protection Short circuit diode Nominal output power PACnom 2300 W Peak output power PACmax 2500 W Nominal output current IACnom 10 A Harmonic distortion of output current at KUgr i d 2 PAC 0 5 PACnom KIAC 4 Short circuit strength Grid side via current regulation Operating range grid voltage UAC 198 260 V AC Operating range grid ...

Page 32: ... voltage of the connected PV strings The lower the input voltage the higher is the efficiency of the Sunny Boy 2500Sunny Boy 2500 Protection category per DIN EN 60529 IP65 Dimensions w x h x d 434 mm x 295 mm x 214 mm approx Weight 30 kg approx Data transmission over mains power line Optional Data transmission over separate data cable Optional RS232 RS485 electrically separated Wireless data trans...

Page 33: ...nny Boy without express authorization and instructions Name Unit Value range Factory setting Betriebsart Operating mode MPP IKonst UKonst Stopp Turbine Mode Insel Mode MPP Default GER ENS dFac Max Hz s 0 005 4 0 0 25 dZac Max mOhm 0 20000 350 E_Total kWh 0 200000 Fac Delta Hz 0 4 5 0 19 Fac Delta Hz 0 4 5 0 19 h_Total h 0 200000 I NiTest Testcurrent Zac mA 0 8000 8000 Speicherfunktion Memory funct...

Page 34: ...e parameter list but cannot be changed Name Unit Value range Factory setting Description Plimit W 2500 Upper limit for AC output power SMA SN Serial number of the Sunny Boy Software BFR Firmware BFR Firmware version of the operation control unit BFR Software SRR Firmware SRR Firmware version of the current control unit SRR ...

Page 35: ...he string then there is a ground contact in this string Its approximate location can be deduced from the relationships between the voltages 1 Disconnect the Sunny Boy 2500 from the low voltage grid switch the line circuit breaker to its off position or pull out the AC plug Make sure the grid cannot be inadvertently reconnected You must make sure that no voltage is present at the AC output before o...

Page 36: ... that secure the lid and remove the lid from the Sunny Boy 2500 Disconnect the PE connection from the lid Make sure that no voltage is present 7 Using a continuity tester check all the varistors to see if there is a conducting connection between connectors 2 and 3 If there isn t then that varistor is not working The positions of the varistors in the Sunny Boy 2500 can be seen in the diagram in sec...

Page 37: ...n this case Replacement varistors should be obtained as soon as possible In system with a high risk of overvoltages the Sunny Boy 2500 should not be operated with defective varistors 9 Reconnect the PE connection on the lid and close the Sunny Boy 2500 10 Connect up the faultless PV generator strings to the inverter 11 Close off the unneeded DC input sockets using the protective caps supplied in t...

Page 38: ...Replacing the varistors SMA Technologie AG Page 38 SB2500 11 SE2006 Installation Guide ...

Page 39: ...line circuit breakers a number of load factors need to be taken into account These can be found in the respective data sheets Example for the thermal rating for a line circuit breaker in a photovoltaic electrical power unit operated in parallel with the low voltage grid We assume a PV system with 9 Sunny Boy 2500 inverters with three inverters per phase L1 L2 L3 N Betrieb Operation Erdschluss Eart...

Page 40: ... side without gaps 0 772 Increase in nominal current as a result of ambient temperatures of 40 C in the circuit breaker panel 1 07 3 Result The nominal load current for the line circuit breaker is calculated as Ibn 10 A x 0 9 x 0 77 x 1 07 7 4 A Example for the thermal selection of a 10 A line circuit breaker with B sensitivity with no gap between the circuit breakers 1 Permanent loads of longer t...

Page 41: ...well as the thermal rating of the circuit breakers and all other factors as specified in section Rating for a line circuit breaker in a photovoltaic electrical power unit operated in parallel with the low voltage grid page 16 of course the applicable standards1 also need to be taken into account The main ones that apply here are DIN VDE 0100 part 410 and or the international standard IEC 364 4 41 ...

Page 42: ...Rating for a line circuit breaker SMA Technologie AG Page 42 SB2500 11 SE2006 Installation Guide ...

Page 43: ...y 2500 please contact our hotline Please have the following information available when you contact SMA Inverter type Type and number of connected modules Communication method Serial number of the Sunny Boy Address SMA Technologie AG Hannoversche Strasse 1 5 34266 Niestetal Germany Tel 49 0 561 95 22 499 Fax 49 0 561 95 22 4699 hotline SMA de www SMA de ...

Page 44: ...Contact SMA Technologie AG Page 44 SB2500 11 SE2006 Installation Guide ...

Page 45: ......

Page 46: ...ad Changyang District 100025 Beijing PR China Tel 86 10 65 58 78 15 www SMA CHINA com SMA America Inc 12438 Loma Rica Drive Unit C Grass Valley CA 95945 USA Tel 1 530 273 4895 www SMA AMERICA com Innovation in Systemtechnik für den Erfolg der Photovoltaik Vertrieb SMA Italien Via Lorenzo Valla 16 20141 Milano Italy Tel 39 02 847421 Vertrieb SMA Spanien Balmes 297 08006 Barcelona Spain Tel 34 639 4...