Sunny Central SC 100 Installation manual
Contents
1. Cable section option customer Sideview H yo S ei e o ry O on a gt v i zr 5 E 2 n 2 o ig S lt a gt M 2 E lt I c 9 o LI o 2 e W a o O a nstallation manual SC 100 13 SE2407 Page 47 SMA Technologie AG PUJWISIMO s E s2J55 7 WIDISAS UOHDIHUSA eu uo Burpuedep 9unuepIqnpaus c ueqnpaups z W9IsAssbunyn woa H92 51Bupygy ul 1 ETTE 4 00 Z 400pinO 001 28 ETTE 4 w00 7 100pul 001 28 WA uouinjoA jUuDsoz 4snpuxe JID ssp snpyn1 191440 Auuns USWIN OAHN jduinsuo pjo 4 en UPIM Lv 446us7 19440 Auuns spd pappyo uondunsuo 11D qso44 T n ANOYIM SOZIS JOUIGDD ezis Appendix C 9067 uotsioA Installation manual SC 100 13 SE2407 Page 48 SMA Technologie AG Appendix D 12 Appendix D Illustration of SC100 Outdoor Base Attachment s es 3 E 1 N 35 N a jae a 5 KAN 5 i r amp i I i ks O N 00 b M oze OL Y o i my i e 4 i lo l e 2 S EM e zd ya W i i o m O m N i i i o 0 E 2 4 00 il E de E pa i 1 O N m2. Appendix A 4 2 Transport Possibilities Transporting Using a Pallet Truck Crane The plinth panels must be unscrewed to transport the cabinet without a palette This allows the fork of a pallet truck forklift or crane to be inserted under the cabinet o Please note the Sunny Central transport requirements in Appendix A Page 14 SC 100 13 SE2407 Installation manual SMA Technologie AG Installation Reguirements 5 Installation Reguirements For safe operation of the inverter the installation site must satisfy the following conditions e Foundation load carrying capacity Inverter protection rating EMC sound levels e Minimum workspace requirements escape routes e Ventilation permissible ambient temperature air quality humidity 5 1 Installation Site Requirements 5 1 1 Foundation The foundation must guarantee solid and safe positioning of the inverter It must provide the load carrying capacity necessary to cope with the weight of the inverter A foundation slab is required for ground mounted installations Pouring and dimensioning the foundation slab must be performed by the customer see Appendix D ventilation system option customer A Cable section option customer Cable section option customer Figure 5 1 Installation of the SC100 Indoor in a building Installation manual SC 100 13 SE2407
3. The connection to the control voltage supply is made 1 phase to a TN S grid connection The standard bridges in the connection terminal strip as shown in the wiring diagram must therefore be removed and the separate supply cable must be connected In doing so please note that the external supply cable should also be protected against lightning and overvoltage This can be ordered optionally spring type terminals o The connection of an external control voltage supply is established on 3 x 2 5 mm and overvoltage protection at this voltage input is rendered useless See section 7 1 8 Lightning and Overvoltage Protection A When an external control voltage supply cable is connected the lightning Installation manual SC 100 13 SE2407 Page 27 SMA Technologie AG Electrical Connection siopajoJd eBoj oA1e 0 ym A Duoudo peddinbe eq oj sindui 1osues s10j2ejo1d eBoj oA1eA0 ym A puoudo peddinbe eq oj Josuas einjpiedue QOL Id uojoeuuoo JIN oossoo s unten A L da 3 V pam 1 N Z8 UII V seBpuq paBBnid uii sBoyjon joyuoo pujeixe 10j sjouwe UONISUUOI M IA Connection terminal for external control voltage optional the sensor inputs and the communication Figure 7 3 Installation manual SC 100 13 SE2407 Page 28 SMA Technologie AG Electrical Connection 7 1 3 Handling the Connection Terminals The following figure shows the correct method for handling the terminals used f
4. 9 E E gt B gt P gt o ES 5 5 a g 5 6 D o e 2 je S fa T 3 S S o Q 2 3 c wo 5 gt So Y ia A E DC F VV 7 cm lt 39 cm A 80 5 cm gt Figure 5 3 Different cable feeds from the front and from the rear the cable must be routed into the foundation plate from below Dimensioning the concrete foundation and cable feed pipes through the concrete foundation must be performed by the customer Installation manual SC 100 13 SE2407 Page 17 Installation Reguirements SMA Technologie AG 5 1 2 Minimum Workspace Reguirements When installing the inverter appropriate clearances to stationary objects and neighboring inverters must be observed Minimum passage widths escape routes and minimum clearances for optimal ventilation are to be guaranteed The corresponding specifications are contained in Appendix C installation requirements O The technical diagrams with the dimensions are contained in the Sunny Central Refer to the national applicable standards for installing and connecting the Sunny Central inverter In Germany the reguirements for passage widths and escape routes in electrical operating sites and the installation of high voltage systems of up to 1000 V are regulated by DIN VDE 0100 part 729 part 731 With fully opened cabinet doors a minimum passage width of 500 mm escape route must be maintained To maintain the minimum passageway requirements the cabinet doors i
5. Monitored overvoltage protectors AC optional Monitored overvoltage protectors DC yes nstallation manual SC 100 13 SE2407 Page 41 Appendix B Technical Data SMA Technologie AG Sunny Central data Symbol SC100 outdoor Monitored overvoltage protectors for optional auxiliary supply Standards EMC EN 61000 6 2 EN 61000 6 4 Grid monitoring per VDEW regulations CE conformity yes Protection rating and ambient conditions Protection rating per EN 60529 IP44 IP54 Permissible ambient temperature T 20 C 50 CI Relative humidity not condensing Uair 15 95 Max altitude above sea level NN 1 000 m Air quality minimum requirements class 352 per EN 60721 3 3 Fresh air consumption Vair 2 300 m3 h Air duct for outdoor installation drawn through roof blown out through base a Specifications apply to irradiation values 1000 w kWp Year b Terminal for an analog sensor provided by the customer in two wire systems c Compliance with nominal values up to an ambient temperature of 40 C with an ambient temparature of 50 C maintanance of the nominal values up to two houres Please note e the Sunny Central Transport Instructions e the Sunny Central Installation Guide e when installing the SC 100 Outdoor a suitable foundation sufficient ventilation and appropriate sun shading systems are neces
6. TN C TN S TT grid and coordinate it with SMA Ensure the grid connection cable for grid feeding is fused at the nominal current indicated on the name plate If the specified nominal current differs from the nominal current of the fuse plug the fuse plug having the next highest nominal current may be used A power switch is used for the optional load disconnecting switch An external input control voltage optional must be fused with a circuit breaker conforming to the specifications in Appendix B SC100 Indoor Outdoor technical data A SMA must be informed of the required AC grid connection type Lightning Overvoltage Protection The device has internal overvoltage protection on the DC side and depending on the option chosen also has lightning and or overvoltage protection on the AC side The desired level of protection can only be achieved when the grid connection point has a Lightning Protection Zones Concept in compliance with DIN VDE 0185 3 DIN EN 62305 VDE 085 part 305 3 In keeping with the Lightning Protection Zones Concept there are lightning conductors and combined overvoltage protectors which are not included in the scope of delivery for the equipment and which must be installed at the entrance transfer point from lightning protection zone LPZ O to LPZ 1 O We recommend using lightning protection for the PV generator A direct strike can irreparably damage the overvoltage protectors or other system components and
7. W J Sh L GEL 89 Installation manual SC 100 13 SE2407 Page 49 Appendix D SMA Technologie AG Page 50 SC 100 13 SE2407 Installation manual Legal Restrictions SMA Technologie AG The information contained in this document is the property of SMA Technologie AG Publishing its content either partially or in full requires the written permision of SMA Technologie AG Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not reguire permission Exclusion of liability The general terms and conditions of delivery of SMA Technologie AG shall apply The content of these documents is continually checked and amended where necessary However discrepancies cannot be excluded No guarantee is made for the completeness of these documents The latest version is available on the Internet at www SMA de or from the usual sales channels Guarantee or liability claims for damages of any kind are exlcuded if they are caused by one or more of the following Improper or inappropriate use of the product Operating the product in an unintended environment Operating the product whilst ignoring relevant statutory safety regulations in the deployment location Ignoring safety warnings and instructions contained in all documents relevant to the product Operating the product under incorrect safety or protection conditions Altering the product or su
8. and the extended voltage range EVR Conformance to the device dependent technical data 3 2 Personnel Only qualified technical personnel may perform any and all work on the Sunny Central Qualified means that the personnel must possess training relevant to the activity performed For commissioning and operation of the Sunny Central inverter the personnel must be familiar with the content of the Sunny Central documentation In particular the safety instructions must be followed Installation manual SC 100 13 SE2407 Page 5 Safety Instructions SMA Technologie AG 3 3 About this Manual This manual was written with the greatest possible care However discrepancies cannot be excluded SMA Technologie AG accepts no responsibility or liability for injury to persons or material damage caused by mistakes in this manual 3 4 Checking and Storage Upon receipt of the equipment check the packaging and the device for any possible damage and compare the contents of the delivery with the delivery documentation In the case of damage to the device and or unclear delivery contents please contact SMA Technologie AG immediately contact address is in the appendix o The equipment may only be stored when closed thus ensuring its interior is protected from dust and moisture prevent moisture from entering the inverter o During longer storage periods the equipment must be kept in a dry place to 3 5 Transport Only the transpor
9. cause additional conseguential damages input control voltage Please see section 7 1 9 Lightning and Overvoltage Protection o We recommend expanding the lightning and overvoltage protection for external Page 8 SC 100 13 SE2407 Installation manual SMA Technologie AG Safety Instructions Emergency Shut off The inverter is not equipped with an external emergency shutoff switch An external emergency shutoff switch or the external emergency shut off function for more than one device can be ordered as an option emergency shut off circuit A The emergency shut off circuit may only be supplied with power from a single Sunny Central 3 9 Operation Apart from the Sunny Central Control there are no control elements on the device The cabinet doors must only be opened for commissioning maintenance and troubleshooting as well as for data query and parameter setting Before opening the device must be switched off using the key switch Please also note the following safety instructions for working on the device Before opening the door the Sunny Central must be switched off using the A key switch The Sunny Central must not be operated with the door open 3 10 Commissioning Maintenance and Repair All work on the Sunny Central may only be performed when the device is safely disconnected from the PV voltage the grid voltage and the internal power supply when these power sources are secured against being switched on again and w
10. modem The data can be transferred using the following Net Piggy Back versions Analog e ISDN e Ethernet e GSM combining Net Piggy Back Ethernet GSM router The data cable is connected via the NET interface RJ45 socket see figure 7 3 The length of the data lines must be taken into account when planning or establishing the communication An optimum and projectrelated plan for the data transfer should be coordinated with SMA 7 1 6 Shield Contact Handling Instructions The external signal and bus cables must be shielded The shield must contact the shield rail provided for this purpose along a large surface area Contact is achieved using the shield clamps provided in the accessories kit The correct handling of the shield clamps is shown in the following figure The shield clamps must only be hand tightened never use a screwdriver Screwing the clamps with a screwdriver can damage the cable insulation o Do not screw in the shield clamps with a screwdriver hand tighten only Figure 7 5 Handling the shield clamps source Wago Page 30 SC 100 13 SE2407 Installation manual SMA Technologie AG Electrical Connection 7 1 7 Sunny String Monitor Communication Connection The communication between the Sunny Central Control unit in the inverter and the Sunny String Monitors eguipped with integrated string current monitoring is conducted via RS485 data line The data cable is connected directly to the Hub in the Sunny Centr
11. rotary field lies at the input of the cabinet A left hand rotary field will cause the frequency values to be displayed as negative values The correct phase sequence must also be followed Cable screw connections must be installed in the base plates to provide strain relief for the AC cables Page 24 SC 100 13 SE2407 Installation manual SMA Technologie AG Electrical Connection Ensure the grid connection cable is fused at the nominal current indicated on the name plate If the specified nominal current differs from the nominal current of the fuse plug the fuse plug having the next highest nominal current may be used AC connection Base plate and cable feed DC connection Figure 7 1 View of the base plates for cable routing and the SC100 electrical connections Installation manual SC 100 13 SE2407 Page 25 Electrical Connection SMA Technologie AG Figure 7 2 Differnet kind of AC grid connection terminals Page 26 SC 100 13 SE2407 Installation manual SMA Technologie AG Electrical Connection 7 1 2 AC Control Voltage Connection Optional The 1 x 230 V power required for driving the internal circuits of the Sunny Central SC100 is taken internally from the grid feed in line of the inverter This reduces the feed in energy yields by the amount of power reguired by the inverter itself fans heating etc The energy reguired for driving the Sunny Central SC100 Outdoor can be provided optionally from an external source
12. 1 Safety Instructions SMA Technologie AG voltage In case of a failure the DC contactor s may carry a life threatening DC available for disconnecting the Sunny Centrals and or one or more DC main cables Sunny String monitors Even in the case of faults or fire this allows system components fo be safely isolated o We recommend the extra use of external DC circuit breakers optionally The device contains capacitors on the AC and DC sides that must discharge once the device has been switched off After switching off there are dangerous accidental contact voltages present within the device for several minutes If there is a fault in the device these voltages may also remain present for a longer period of time For these reasons wait a minimum of 5 minutes after switching off before opening the device A The discharge time of the capacitors is longer than 5 minutes 3 13 General Information Working on the Fans The device is equipped with several fans for cooling Work on the fans may only be performed after all insulation measures have been taken in exactly the same manner as prescribed for commissioning maintenance and repair work Warning rotating fans in the inverter Hearing Protection The device fans and the power unit create significant levels of operating noise In addition to this a fault in the device can lead to very high sound levels For these reasons we recommend the use of hearing protection in its vic
13. 1 SC 100 13 SE2407 Installation manual Sales Solar Technology SMA Technologie AG Hannoversche Strasse 1 5 34266 Niestetal Germany Tel 49 561 9522 4000 Fax 49 561 9522 4040 E mail info SMA de Freecall 800 SUNNYBOY Freecall 800 78669269 SMA America Inc SMA Ib rica Tecnologia Solar S L Grass Valley California USA Barcelona Spain E mail info amp SMA America com E mail infoGSMA Iberica com SMA Beijing Commercial Co Ltd SMA Italia S r l Beijing P R China Milan Italy E mail infoGSMA China com E mail info amp SMA ltalia com SMA Technology Korea Co Ltd SMA France S A S Seoul Korea Lyon France E mail infoGSMA Korea com E mail info SMA France com SAA mM Innovation in Systems Technology ia for the Success of Photovoltaics
14. C sides should be checked for conformance with the limits allowed on the inverter Before starting the device for the first time commissioning all work 8 1 Prerequisites To allow the inverter to be correctly commissioned the following conditions must be satisfied in advance before the device is put into operation The PV generator must be constructed and tested in compliance with to VDE 0100 part 610 BGV A2 Electrical Systems and Appliances The grounding resistance is decisive for the safety of the complete system and must therefore be determined before the system is started for the first time When delivered all circuit beakers and motor overload switches in the Sunny Central are switched off 8 2 Cabling Checks When performing the cabling checks the connections are first checked for correctness and proper installation AC Grid Connection The connection made to the feed in cables is 3 phase lt must be checked that the inverter is connected to the correct grid connection type TN C TN S or TT and that a right hand rotary field exists on L1 L2 and 13 The level of the AC voltage should be measured and logged The Sunny Central feeds into the grid using 3 x 400 V 10 AC Control Voltage Connection Optional The connection made to the feedin cables is 1 phase Have the bridges in the connection terminal strip been removed and has a separate supply cable been connected for the external AC control voltage Has th
15. Nour ovv 8 1 B 2 8 3 10 11 12 Seite 2 SMA Technologie AG Minimum Workspace Reguirements 18 Inverter Protection Rating EMC Sound Levels 18 Ventilation PTT 19 On Site Inverter Installation 22 Mounting on the Foundation 22 Electrical Connection 24 External Connections 24 AC Grid Power Connections 24 AC Control Voltage Connection Optional 27 Handling the Connection Terminals 29 Sensors and Digital Outputs 29 Inverter Communication Connection 30 Shield Contact Handling Instructions 30 Sunny String Monitor Communication Connection 31 Lightning and or Overvoltage Protection 31 PV Generator Power Connection DC Connection 34 Commissioning 36 Prereguisites 36 Cabling Checks 36 Switch On 37 Appendix As iii II 38 Appendix B Technical Data 40 Appendix C i 224 isso sess cece des 46 Appendix D 49 SC 100 13 SE2407 Installation manual SMA Technologie AG Notes on this Manual 1 Notes on this Manual 1 1 Validity This installation guide covers the correct installation and commissioning of
16. Page 15 Installation Requirements SMA Technologie AG MET p 3 Jol r 4 3 Concrete foundation slab Concrete foundation slab Figure 5 2 Installation of the SC100 Outdoor with concrete foundation slab site o Pouring and structural inspection of the foundation slab should be performed on The inverter cabinet must be installed on a level surface Any existing unevenness depressions or slope must be corrected prior to installation When pouring the foundation keep in mind that the cables and conduits should enter the inverter from underneath This means that suitable conduits or cable feed throughs should be installed prior to pouring The cable must be routed into the inverter from below The cable routing through the removable base plates in the Sunny Central is o displayed in figure 5 3 o The control voltage and communication cables must be installed separately Page 16 SC 100 13 SE2407 Installation manual SMA Technologie AG Installation Reguirements A v n 3 a 5 o E p KE Oo E 5 o O A AC E N DUE EEE HERR NN fg Ss Ti aa 3 ale N S HRE s c c H Sfo T Y JEJE 4 5 o l E c
17. Safety Instructions The protective ground connection must be made before the external voltage is switched on maintained at the AC grid connection The cabinet must remain closed when connecting the supplies A The nominal voltage frequency and right hand rotary field are 3 12 Disconnect External insulation of the device must always occur under load free conditions The device must be switched off in order to do this This means that the key switch must be in the Stop position Work on the Sunny Central may be performed only after switching off the power O to the unit The VDE regulations must be followed e Disconnect Protect against reenergizing Testeach unit to ensure that all voltages have been removed Ground and short the unit if necessary not on the DC side e If necessary cover or protect against accidental contact with any voltage carrying components The following power supplies must be isolated e Grid voltage for the grid feed in Grid voltage for internal power supply optional DC voltage from the photovoltaic generator Simply switching off the main AC and DC switches is not sufficient to ensure proper insulation of the device The main switches only separate the power circuit from the grid and the photovoltaic generator Dangerous accidental contact voltages can be present in the device even when the main AC and DC switches are switched off Installation manual SC 100 13 SE2407 Page 1
18. Sunny Central SC 100 Installation manual SC 100 13 5E2407 IME SCO Version 3 0 Installation manual SMA Technologie AG Index 1 Notes on this Manual 3 1 1 Validiy n saes ssa IDEE SLE ches 3 1 2 larg t CUIOUD gt Ern nei V doble S WA I 3 15 Explanation of the Symbols Used 3 2 Introduction 4 3 Safety Instructions 5 3 1 Appropriate Usage 5 3 2 Personnel 5 3 3 AboutithisManual 6 3 4 Checking and Storage 6 3 5 Transpor sad dpa pe Rr EREMO owe oy si 6 3 6 Installation 7 3 7 Special Hazards of Photovoltaic Systems 7 3 8 Electrical Connection 8 3 9 Operon 224 sessi reunions irin tennet 9 3 10 Commissioning Maintenance and Repair 9 3 11 Power Supplies 9 SI IA SKS sees tabs ENT PE Y 11 3 13 General Information 12 4 Transpor SEE AAA 8 EGER US EG 14 4 1 Overview of Weights and Dimensions 14 4 2 Transport Possibilities 14 5 Installation Reguirements 15 5 1 Installation Site Reguirements 15 dui En Aa rag roi 15 Installation manual SC 100 13 SE2407 Seite 1 5 1 2 5 1 3 5 1 4 6 1 7 1 7 1 7 1 7 1 7 1 7 1 7 1 7 1 7 1 7 1 O 0
19. al and afterwards to the Sunny Central Control see figure 7 6 Figure 7 6 Connection of the data line to the Sunny Central the Sunny String Monitor user manual provided and in the wiring help Connection of the communication in the SSM o It is essential that you follow the instructions of the comprehensive description in 7 1 8 Lightning and or Overvoltage Protection The Sunny Central SC100 Outdoor is equipped with internal lightning and overvoltage protection In this case the AC DC connection and the RS485 interface for connecting the Sunny String Monitors is protected Optionally the analog signal input of an external temperature sensor see wiring diagram can also be protected against lightning and overvoltage IF the control voltage is supplied by an external cable the existing overvoltage protection must be expanded We therefore also recommend equipping the control voltage input with combined overvoltage and lightning protection This can be retrofitted as an option Installation manual SC 100 13 SE2407 Page 31 Electrical Connection SMA Technologie AG system and the control voltage supply Figure 7 9 Overvoltage protection system for protecting the DC inputs Page 32 SC 100 13 SE2407 Installation manual SMA Technologie AG Electrical Connection We also recommend an optimum protection level at the grid connection point by installing combin
20. e external AC control voltage been connected to the correct grid connection type TN S DC Power Connections The DC power connections are made over the main DC cables to the inverter The voltage on the individual DC main cables should be almost identical and must never exceed the maximum DC voltage of the inverter In addition to the voltage levels the polarity of the individual DC main cables must also be checked The wrong polarity in one of the DC main cables can also damage the PV generator Again all DC connections should be checked to ensure that they are mechanically tight Page 36 SC 100 13 SE2407 Installation manual SMA Technologie AG Commissioning Serial Interfaces For external communication and string current monitoring the data cables must be connected Settings for the Hygrostat The device contains an adjustable hygrostat for controlling the cabinet ventilators and the overheating shut off system The hygrostat is pre adjusted before delivery information in the wiring diagram If deviations are found please set the values specified in the wiring diagram o Prior to commissioning please check whether the settings agree with the 8 3 Switch On If all tests and measurements have been performed and all measured values lie within the acceptable range then the device can be switched on for the first time All circuit breakers and motor overload switches in the Sunny Central are to be switched on Now the
21. e must not be installed in environments with salty air The inlet air for the SC 100 Outdoor must satisfy the requirements of the classifications 452 and 4C1 whereas the inlet air for the SC 100 Indoor must satisfy the requirements of the classifications 352 and 3C1L The operation of the inverter is suited to a relative humidity of 15 to 95 o Please observe the requiremets for air quality relative humidity fresh air volume and permissible ambient temperature Installation manual SC 100 13 SE2407 Page 21 On Site Inverter Installation SMA Technologie AG 6 On Site Inverter Installation 6 1 Mounting on the Foundation Removing the Transport Locks The inverter must be fixed to the foundation or foundation slab Therefore the respective attachment points wall anchors threaded bolts must be in place before installation A rig close to the base of the device facilitates its attachment to the foundation The corresponding figure is found in Appendix D o Attaching the inverter to the foundation or the foundation plate After attaching the device to the foundation remove the transformer transport lock This consists of an iron right angle that is fastened to the side of the cabinet Angle bracket Figure 6 1 View of transformer transport lock with sidewall removed Page 22 SC 100 13 SE2407 Installation manual SMA Technologie AG After the cabinet has been installed the provided grid must be mounted below the transform
22. ed overvoltage and lightning protection there as well O The analog input of the external temperature sensor and both additional analog signal inputs are not equipped with lightning and overvoltage protection as a standard feature This can be retrofitted as an option Before measuring the insulation the overvoltage protectors must be removed or disconnected or the existing fuses must be removed We recommend using lightning and overvoltage protection for the external temperature sensor and for both of the available analog inputs This can be ordered as an option When an external control voltage supply cable is connected the lightning and overvoltage protection at this voltage input is rendered useless We therefore recommend the option of retrofitting the device with combined lightning and overvoltage protection The grid structure in particular the special feature of the TT grid must be observed gt POD Installation manual SC 100 13 SE2407 Page 33 Electrical Connection SMA Technologie AG 7 1 9 PV Generator Power Connection DC Connection A busbar that allows string distribution boxes to be connected is located in the left lower area of the inverter sidewall Cables rated for a minimum of 900 V are reguired for connecting the DC cables to the fuse inputs of the inverter The voltage resistance must be at least 1000 V for inverters that are eguipped with an optional EVR The SC100 is equipped with 3 DC inputs see data shee
23. equency fac 50 Hz 60 Hz Harmonic distortion of grid current Kiac lt 3 at nominal power output Power factor cos 0 99 at nominal power output Efficiency per IEC61683 10 25 50 75 100 of PACnom 10 25 50 75 100 94 2 96 4 96 7 96 4 96 2 Euro ETA 96 2 Dimensions and weight Page 40 SC 100 13 SE2407 Installation manua SMA Technologie AG Appendix B Technical Data Sunny Central data Symbol SC100 outdoor Width x Height x Depth mm W H D 1270 1850 870 Weight approx m 925 kg Power consumption Operating consumption Pday lt 1 of Pacnom Standby operating consumption Pright lt approx 50 W External auxiliary voltage grid structure optionally 230 V 50 60 Hz TN S grid External back up fuse for auxiliary B 16 A 1 pole supply SCC Sunny Central Control interfaces Communication optional Analog ISDN Ethernet GSM Analog inputs optionally 1x Pt100 2x A bl in Overvoltage protection for analog optional inputs Sunny String Monitor interface COM RS485 PC interface COM3 RS232 Voltage free contact ext failure 1 Features Cabinet color roof base RAL7024 housing 9022 Display SCC yes Ground fault monitoring yes optional Heating yes Emergency stop no Power switch AC side yes Power switch DC side motor driven
24. er using the provided wing bolts The grid must be mounted before the plinth panels are mounted Detachable grid Figure 6 2 Side view with transformer SC 100 13 SE2407 Page 23 Electrical Connection SMA Technologie AG 7 Electrical Connection After the inverter has been installed and mechanically attached the electrical connection can be established The cables are fed from below through the socket and the base of the cabinet To do this the base plates in the front of the cabinet are to be opened and the cable pulled into the inside of the cabinet The corresponding cable screw connections must be installed in the removable base plates in order to seal the cable routing and to provide strain relief for the cable A range of various screw fitting sizes is provided for this purpose the connections The device specific wiring diagram provided must be used for establishing 7 1 External Connections 7 1 1 AC Grid Power Connections The AC grid connection is made at the TN C TN S TT grid connection type which must be provided by the customer using a 3 phase system eguipped for 400 V The connection terminals are located in the front chamber on the righthand lower area of the sidewall SMA must be notified of the reguired AC grid connection type during the project planning phase The AC cables are connected using cable lugs on M12 bolt clamps The grid connection must be installed in a way such that a right hand
25. ere may be voltage present either from the photovoltaic generator and or the Sunny Central This is especially important to note when disconnecting particular parts of the system e Very high DC voltages are present no zero crossing which in case of a fault or inappropriate use of fuses or plugs may lead to arcing e The short circuit current of the photovoltaic generator is only slightly more than the maximum operating current and is also dependent on the level of solar irradiation This means that if a short circuit occurs in the system the existing circuit breakers are not guaranteed to switch off A highly branched generator array may be difficult to disconnect if a fault develops e g short circuit We recommend the extra use of external DC circuit breakers for disconnecting the inverter and or the DC main cables Sunny String monitors DC circuit breakers optionally available One circuit breaker should be allocated to each input and these should be located near to the Sunny Central as described in the standard VDE 0100 part 7 712 and the VDI 6012 regulations Installation manual SC 100 13 SE2407 Page 7 Safety Instructions SMA Technologie AG 3 8 Electrical Connection The electrical connection must be performed according to the installation guide the device connection plan and the technical data of the device AC Grid Connection The customer must determine the required grid connection type for the AC grid connection
26. hen it has been checked that the device is voltage free Only qualified technical personnel who are familiar with the operation of the system may undertake any such work 3 11 Power Supplies Switching on of the external power supplies e Grid voltage for the grid feed in Grid voltage for control voltage internal power supply There is the option of feeding it externally DC voltage from the photovoltaic generator must occur in the sequence described and may only be performed when the following conditions are satisfied e All connections have been made according to the installation guide and the wiring diagram e The protective ground connection for grid feed in and for internal power supply has been made e The device is switched off This means that the Start Stop switch is in the Stop position and the main switches are off Installation manual SC 100 13 SE2407 Page 9 Safety Instructions SMA Technologie AG e The Plexiglas covers are mounted to ensure protection against accidental touching e The nominal voltage frequency and the right hand rotary field are maintained see device technical data e The polarity of the DC voltage at the inputs fuse inputs device dependent has been checked e The photovoltaic generator has been checked with an insulation test to ensure that there is no ground fault Figure 3 1 Sunny Central SC100 interior view Page 10 SC 100 13 SE2407 Installation manual SMA Technologie AG
27. inity extended periods o We recommend the use of ear protection when in the vicinity of the device for Page 12 SC 100 13 SE2407 Installation manual SMA Technologie AG Safety Instructions Burns Immediately after isolating the device depending on the operating conditions certain components can be very hot e g fuses transformer core sine wave filter heatsinks etc Safety gloves should always be worn when working near components that can be expected to be very hot o We recommend that safety gloves be worn during all work on the device Installation manual SC 100 13 SE2407 Page 13 Transport SMA Technologie AG 4 Transport Only the transport methods described in the installation guide are permissible please follow the transport reguirements in Appendix A When delivered the inverter stands on a pallet Under standard delivery conditions a forklift must be available When unloading the heavy load markings must be observed without exception 4 1 Overview of Weights and Dimensions Please note the heavy weight of the inverter To assist with transporting the data sheet on the dimensions and weight is contained in Appendix B The center of gravity of the cabinet unit is marked on the outside of the packaging Heavy weight of the cabinet unit Danger of tipping during transport o The cabinet must always be transported upright Be sure to follow the Instructions for Transporting Sunny Central Inverters in
28. inverter is completely connected on the AC and DC sides and can be switched on using the key switch Close the cabinet doors and turn the key switch to the right to the Start position The Sunny Central will now start automatically First the grid voltage and frequency parameters are checked After approx 20 seconds the motorized DC breaker is activated automatically and connects the PV generator inverter o Please follow the Sunny Central user manual for the continued operation of the Installation manual SC 100 13 SE2407 Page 37 Appendix A SMA Technologie AG 9 Appendix A Notes on Transporting Sunny Central Inverters SC 100 outdoor indoor The aim to avoid damage or accidents during transport by the shipping company and on the construction site The following measures have been introduced to achieve this aim e For delivering SC central inverters all shipping companies have generally agreed not to transfer the cabinets between transporters e After being packed all cabinets shall be labeled on the front and rear sides with the international center of gravity symbol see figure A The symbols shall be sprayed on using a stencil e In addition transport instructions shall be affixed to the inverter see figure A The transport markings stipulate that forklift or pallet trucks must always load the switch cabinets by their long sides front and rear sides of the SC It is forbidden to lift them by their short
29. itude above sea level NN 1 000 m Air quality minimum requirements class 352 per EN 60721 3 3 Fresh air consumption Vair 2 300 m3 h Air duct for outdoor installation drawn through roof blown out through roof a Specifications apply to irradiation values 1000 kWn kWp Jahr b Terminal for an analog sensor provided by the customer in two wire systems c Compliance with nominal values up to an ambient temperature of 40 C with an ambient temparature of 50 C maintanance of the nominal values up to two houres Please note e the Sunny Central Transport Instructions e the Sunny Central Installation Guide e when installing the SC 100 Outdoor a suitable foundation sufficient ventilation and appropriate sun shading systems are necessary Installation manual SC 100 13 SE2407 Page 45 Appendix C SMA Technologie AG 11 Appendix C Extract from the SC installation requirements SC 100 Outdoor installation requirements ja 5 N Q o To a E 3 2 e v gt o O 5 O o o o yo S o O O O i v le M gt o gt A 5 N EL EG 107 5 N E us o lt 5 i gt pa lt lo c o o x z o s o ma o Y O Page 46 SC 100 13 SE2407 Installation manual SMA Technologie AG Appendix C SC 100 Outdoor installation reguirements
30. m on the roof of the inverter Therefore the corresponding device openings must be kept free and clean according to the maintenance intervals specitied in the user manual The air required for the SC 100 Indoor can either be drawn through the ventilation system on the roof of the inverter or fed directly to the inverter through an air duct that is provided by the customer The exhaust air waste heat is blown out through the front plinth panels The exhaust air of the SC 100 Indoor is blown out through an air duct in the roof of the inverter If the SC 100 Outdoor is exposed to direct sunlight the internal temperature in the inverter can increase and thus lead to a reduction in the output power In this case we recommend using a sun shading system or installing the device in a shaded area or under a module table In case of existing buildings the shaded area at the north side of the building should be used Figure 5 4 View of the ventilation concept of the SC 100 Outdoor Installation manual SC 100 13 SE2407 Page 19 Installation Reguirements SMA Technologie AG Figure 5 4 View of the ventilation concepts of the SC 100 Indoor A Install with unobstructed ventilation system Regular cleaning of the outer air inlets and the inner cover grid A The device must not be installed in direct sunlight Page 20 SC 100 13 SE2407 Installation manual SMA Technologie AG Installation Reguirements The devic
31. n an inverter system with two rows of opposing cabinets may only be opened on one side at a time The minimum clearances and passage widths to be maintained along with the corresponding dimensions are contained in Appendix C 5 1 3 Inverter Protection Rating EMC Sound Levels The outdoor version of the Sunny Central SC 100 is suitable for outdoor installation according to the IP44 protection rating The control area is enclosed from the power area and has IP54 protection rating The indoor version of the Sunny Central SC 100 is suitable for installation in a station located in a dry dustreduced environment according to protection rating IP21 With regard to the EMC emissions and the noise level the inverter is conceived for setup in an industrial environment or for outdoor installation Page 18 SC 100 13 SE2407 Installation manual SMA Technologie AG Installation Reguirements 5 1 4 Ventilation Ambient Temperature Air Quality Humidity To cool the inverter the ventilation system must be free of any obstructions in order to ensure the reguired inlet ventilation and heat dissipation The specified minimum clearances in Appendix C must be maintained for this purpose For safe operation and maximum feed in performance the permissible ambient temperature is between 20 and 50 C The rated values can be ensured at ambient temperatures of up to 40 C The air required for the SC 100 Outdoor is drawn through the ventilation syste
32. nstructions The Sunny Central SC100 is built using the latest technology according to recognized safety standards Despite this hazard to users third parties or equipment can arise during operation or when working on the device These hazards can be reduced to a minimum when the device is used appropriately as directed Faults that affect or limit the safety of the device must be immediately rectitied Unauthorized modifications and the use of spare parts not recommended by SMA Technologie AG may cause fire material damage and electrical shock Unauthorized personnel must not have access to the equipment Warning signs must always be clearly readable and immediately replaced if damaged 3 1 Appropriate Usage Appropriate use of the Sunny Central means following all instructions in the installation guide relating to transport installation electrical connection and commissioning of the equipment Any deviation from the installation guide instructions is regarded as inappropriate use of the equipment SMA Technologie AG accepts no responsibility or liability for any and all damage resulting from inappropriate use of the equipment Appropriate use of the equipment also entails Observation of the safety instructions listed here and in the following sections e Observation of the instructions in the Sunny Central user manual e Observation of additional documentation for variants and options such as grounded operation GFDI
33. om Standby operating consumption Pright lt approx 50 W External auxiliary voltage grid structure optionally 230 V 50 60 Hz TN S grid External back up fuse for auxiliary B 16 A 1 pole supply SCC Sunny Central Control interfaces Communication optional Analog ISDN Ethernet GSM Analog inputs optionally 1x Pt100 2x A bl in Overvoltage protection for analog optional inputs Sunny String Monitor interface COM RS485 PC interface COM3 RS232 Voltage free contact ext failure 1 Features Cabinet color roof base RAL7024 housing 9022 Display SCC yes Ground fault monitoring yes optional Heating yes Emergency stop no Power switch AC side yes Power switch DC side motor driven Monitored overvoltage protectors AC optional Monitored overvoltage protectors DC yes Page 44 SC 100 13 SE2407 Installation manua SMA Technologie AG Appendix B Technical Data Sunny Central data Symbol SC100 indoor Monitored overvoltage protectors for optional auxiliary supply Standards EMC EN 61000 6 2 EN 61000 6 4 Grid monitoring per VDEW regulations CE conformity yes Protection rating and ambient conditions Protection rating per EN 60529 IP21 Permissible ambient temperature T 20 C 50 CI Relative humidity not condensing Uair 15 95 Max alt
34. or connecting external cables to the control terminal strip The connection terminals are designed as maintenance free spring loaded terminals that can be operated using a suitable screwdriver Figure 7 4 Handling the connection terminals source Wago The connections should only be made under voltage free conditions 7 1 4 Sensors and Digital Outputs Two analog sensors and one PT100 temperature sensor can be connected to the Sunny Central The connection is made in the device s connection area Please refer to the provided wiring diagram for the signal assignment of the connection terminals Further information about the connection and parameterization of analog sensors is contained in the Sunny Central user manual We recommend equipping the first sensor inputs with an overvoltage protector available as an option The sensors are connected directly to the overvoltage protector see figure 7 3 system and the required transducers if necessary o Please note the connection possibility of the analog sensors in four wire or two wire manual provided o Please take note of the comprehensive description in the Sunny Central user Installation manual SC 100 13 SE2407 Page 29 Electrical Connection SMA Technologie AG 7 1 5 Inverter Communication Connection The device can be eguipped with various interface cards Net Piggy Back for the communication between the inverter and a PC or
35. pplied software without authority The product malfunctions due to operating attached or neighboring devices beyond statutory limit values In case of unforeseen calamity or force majeure Software licensing The use of supplied software produced by SMA Technologie AG is subject to the following conditions This software may be copied for internal company purposes and may be installed on any number of computers Supplied source codes may be changed or adapted for internal company purposes on your own responsibility Drivers may also be transferred to other operating systems Source codes may only be published with the written permission of SMA Technologie AG Sub licensing of software is not permissible Limitation of liability SMA Technologie AG rejects any liability for direct or indirect damages arising from the use of software developed by SMA Technologie AG This also applies to the provision or non provision of support activities Supplied software not developed by SMA Technologie AG is subject to the respective licensing and liability agreements of the manufacturer Trademarks All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product or brand is not a registered trademark SMA Technologie AG Hannoversche StraBe 1 5 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E mail info SMA de 2007 SMA Technologie AG All rights reserved Page 5
36. sary Page 42 SC 100 13 SE2407 Installation manual SMA Technologie AG SC100 indoor Technical Data Appendix B Technical Data Sunny Central data Symbol SC100 indoor Input data Max PV power recommended Ppy 110 kWp 9 DC voltage range MPPT Upc 450 820 V Max permissible DC voltage Unc mar 900 V optional 1000 V Max permissible DC current IDC max 235 A Voltage ripple PV voltage Upp lt 3 Number of DC inputs terminal not 3 x positive 120 mm secured M12 screws 3 x negative 120 mm M12 screws Output data Nominal AC output power Pac 100 kw Operating grid voltage 10 Uac 400 V Nominal AC current lACnom 145 A Grid structure TT TN S TN C grid Operating grid frequency fac 50 Hz 60 Hz Harmonic distortion of grid current Kiac lt 3 at nominal power output Power factor cos 0 99 at nominal power output Efficiency per IEC61683 10 25 50 75 100 of PACnom 10 25 50 75 100 94 2 96 4 967 96 4 96 2 Euro ETA 96 2 Dimensions and weight nstallation manual SC 100 13 SE2407 Page 43 Appendix B Technical Data SMA Technologie AG Sunny Central data Symbol SC100 indoor Width x Height x Depth mm W H D 1270 1610 805 Weight approx m 925 kg Power consumption Operating consumption Pday lt 1 of Pacn
37. sides Transport by crane is allowed if a suitable crane fork is used that is pushed through the openings in the base of the switch cabinet figure A e Transporing them using the eyelets on the top of the cabinet is not allowed SC specific see overview table e The manufacturers shall ensure that high quality pallets are used e The cabinets must not be tilted Page 38 SC 100 13 SE2407 Installation manual SMA Technologie AG Appendix A Figure A Transport instructions for Sunny Central SC inverters Forbidden Permitted and must be observed Center of gravity marking Tilting Crane fork Suspending from eyelets With forklift pallet truck Installation manual SC 100 13 SE2407 Page 39 Appendix B Technical Data 10 Appendix B Technical Data SMA Technologie AG Sunny Central data Symbol SC100 outdoor Input data Max PV power recommended Ppy 110 kWp 9 DC voltage range MPPT Upc 450 820 V Max permissible DC voltage UDC max 900 V optional 1000 V Max permissible DC current Ic mox 235A Voltage ripple PV voltage Upp 3 76 Number of DC inputs terminal not 3 x positive 120 mm secured M12 screws 3 x negative 120 mm M12 screws Output data Nominal AC output power PAC 100 kw Operating grid voltage 10 Unc 400 V Nominal AC current l ACnom 145 A Grid structure TT TN S TN C grid Operating grid fr
38. t Appendix B The cables are fed through the socket and the base of the cabinet To do this the base plates in the front of the cabinet are opened and the cable pulled into the inside of the cabinet Suitable cable screw connections must be installed in the removable base plates to provide strain relief for the cable A variety of threaded joint sizes is provided for this purpose The DC cables are connected directly to the busbar using M12 cable lugs See the electrical connection section in the table located in Appendix C The DC cables to be connected must be rated for a minimum of 900 V They must have a voltage resistance of at least 1000 V for an optional EVR permissible inverter input voltage Otherwise the inverter is in acute danger when connected Upy lt 900 1000 V AII cable feeds and base plates must be locked tightly so that no small animals can enter the device Since the Sunny Central is not eguipped with a fuse the DC cables to be connected must be designed for at least 2 3 of the maximum generator current rating A The DC voltage of the PV generator must never exceed the maximum Page 34 SC 100 13 SE2407 Installation manual SMA Technologie AG Electrical Connection Figure 7 5 View of the DC connection area Installation manual SC 100 13 SE2407 Page 35 Commissioning SMA Technologie AG 8 Commissioning performed on the device should be thoroughly checked In particular the voltages on the DC and A
39. t methods described in the installation guide are permissible Please note the heavy weight of the equipment and the non central center of gravity The center of gravity is marked on the packaging Danger of tipping during transport A Follow the Sunny Central Transport Instructions in Appendix A and pay attention to the center of gravity markings on the packaging Page 6 SC 100 13 SE2407 Installation manual SMA Technologie AG Safety Instructions 3 6 Installation The information contained in the installation guide must be observed when installing the inverter The SC 100 Indoor is designed for indoor installation with a protection rating of IP21 The SC 100 Outdoor is designed for outdoor installation with a protection rating of IP44 54 The device must be installed in a manner such that the proper electrical connections adequate ventilation and adequate fire protection are possible The Sunny Central SC100 Outdoor product line has been type tested and approved for outdoor installation in accordance with the industry standard EMC limits EMC Electro Magnetic Compatibility Please observe the additional information on installing the SC 100 Outdoor O located in Appendix C 3 7 Special Hazards of Photovoltaic Systems An active power source is connected Photovoltaic systems have special characteristics representing special hazards An active power source is connected This means that depending on the operating mode th
40. type SC 100 indoor outdoor SMA inverters 1 2 Target Group Only trained electricians approved by the responsible energy supply company may install and commission the inverters The instructions assume that you the installer are familiar with electrical installations and know the corresponding rules and regulations 1 3 Explanation of the Symbols Used components or personal hazard Please read these sections especially carefully A This symbol indicates a fact which if ignored could result in damage to Read these sections carefully to ensure optimum operation of your product O This symbol indicates an example o This symbol indicates a fact that is important for optimum operation of the product Installation manual SC 100 13 SE2407 Page 3 Introduction SMA Technologie AG 2 Introduction Dear customer You have made a good choice in purchasing the Sunny Central solar inverter To guarantee correct connection and reliable operation of the device please take note of the safety and installation instructions in the following sections The following extra documents are also available in addition to the installation guide Sunny Central user manual Sunny Central wiring diagrams Installation requirements contains views of the inverter My Figure 2 1 Sunny Central SC100 Indoor Outdoor front view Page 4 SC 100 13 SE2407 Installation manual SMA Technologie AG Safety Instructions 3 Safety I
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