Installation and User Manual
Contents
1. he ates 2 ie f SS j SIGNALS nos Bu x T i x Figure 10 Cable glands on SOLO String Box inside view 5 4 Location Choice e The SOLO String Box is suitable for outdoor installation and should be placed as close as possible to the PV modules in order to minimize cable length The Box should be freely accessible for maintenance work e A location without direct sunlight should be chosen The SOLO String Box should be mounted in a way minimizing or preventing the collection of water dirt and moss development 5 5 Mechanical Installation e The supplied fitting materials should be used where possible e The SOLO String Box must be mounted vertically with the cable holdings on the bottom side e Water must never reach the inside of the box The SOLO String Box should be mounted on a wall with the help of the supplied mounting clips 800 39 482 582 ale 182 Figure 11 Dimension drawing SSB A 14 SSB A 25 IDS kc 12 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS The two climate valves see Figure 12 front view and Figure 13 rear view must not be covered They ensure the air circulation inside the SOLO String Box Figure 12 Climate valve inner view Figure 13 Climate valve outer view 5 6 Electrical Installation A CAUTION The works described may be executed only by electricians trained for PV installation WARNING The PV modul2. In order to remove the protective cover please put the main switch in off position as shown on the Figure 6 Then unlock the screws by slotted screw driver 1 4 revolution as shown on the same picture Screw DC Switch OFF DC Switch Selected ON address indicator Figure 6 SOLO Box protective cover PV In PV In PV PV In PV 230VAC at DC Out power supply BETTEN el DC Out Sc a nn s 230VAC con s at tactor control Figure 7 Inside view Potentially lethal voltages location when main switch is off IDS kc 10 22 Installation and User Manual SSB EU en 1010 Copyright IDS 5 3 SOLO String Box Design String current meas Surge arrester urement electronic PV Contactor Fuse holders PV Contactor PV string terminals Type label PV string terminals Putte String box monitor electronic DC Glass fibre optic interface ppi e r DC PE RS485 interface Ready feedback Power supply 230VAC Contactor control 230VAC Figure 8 SOLO String Box inside view Climate valve Serial interface cables PV String inputs Cables contactors switch on PE input Cables power supply for monitor electronic Climate valve DC output DC output Figure 9 Cable glands on SOLO String Box outside view IDS kc 11 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS y m Anand A We me oe lt lt sK oS o nS w te amp Ss FQ gt lt T
3. WARNING The PV module strings can be under voltage even when the SOLO String Box switch is turned off The DC line toward the inverter can be under voltage even when the SOLO String Box switch is turned off In addition consider the discharge times of the inverter capacitors which is approximately 10 minutes e Remove the defective surge arrester s through pulling it out of the fuse holder and place a new one Figure 27 Removing of a damaged surge arrester e Put the protective cover e Turn the main switch on e Close and lock the String box door IDS kc 20 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS 7 Declaration of Conformity EG Konformit tserkl rung EC Declaration of Conformity Hersteller Manufacturer IDS Trade AG Samstagernstrasse 55 CH 8832 Wollerau Schweiz Diese Konformit tserkl rung bezieht sich auf die Anschlussk sten This declaration of conformity relates to string boxes SSB A 14 140 SSB A 25 250 Das bezeichnete Produkt stimmt mit den Vorschriften folgender Richtlinien berein The above described product is in conformity with the requirements laid down in the following guidelines EN 61000 6 2 Elektromagnetische Vertr glichkeit EMV Teil 6 2 Fachgrundnormen St rfestigkeit f r Industriebereich IEC 61000 6 2 1999 modifiziert Electromagnetic compatibility EMC Part 6 2 Generic standards Immunity for industrial environments IEC 61000 6 2 1999 modifie
4. Systems Fiber optical interface Cable type for glass fiber interface Terminals for glass fiber Signal connection outer diameter cable gland ST port transmitter and receiver 45 10mm Galvanic isolated from monitor electronic Separable screw terminal with 6 pins for easy bus wiring Outdoor UV light resistant Recommended UNITRONIC Li2YCYv TP 2x2x0 5 or 3x2x0 5 1 spare pare Lapp Kabel RS 485 serial interface Cable type for RS485 interface Screw type separable terminals Signal connection outer diameter cable gland Cable cross section Options Stainless steel enclosure Fuses with light indication when tripped PV disconnect type terminals Maximum operating voltage 1200 VDC Standards CE conformity EMC Yes EN 61000 6 2 EN 61000 6 4 EN 50178 IDS kc 5 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS 1 Type code for PV Smart String Box Typical Part Number SSB A 2 5250 1 0 Smart STRING Box A Solo String Box with DC Contactors B Solo String Box with Manual Switch Number of Inputs 14 Inputs 25 Inputs Nominal Current 140 Amps 250 Amps Version 1 Max PV string voltage 1000Vdc 2 Max PV string voltage 1200Vdc Revision Figure 1 Type code for PV Smart String Box 2 Fuse selection guide The fuse selection must follow the rules below e Maximum DC operating voltage of the fuse must be 1 2 x nominal voltage of string
5. e Rated current of the fuse must be higher or equal than 1 6 x Isc Isc short circuit current of panel Isc short circuit Rated current Size Pre arching Operating Joule IDS article current of panel of the fuse Joule integral integral Afs number mm at STC A A s L R 2ms L R 2ms A ART 07020 2 0 ART 07023 ART 07023 Table 1 txe e fe ARTo7022 s fm IDS kc 6 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS 3 Introduction The SOLO String Box is used to merge the electrical energy of the single PV module strings Preferably the box should be placed close to the PV fields The box is also used to disconnect the DC lines from the inverter Several SOLO String Boxes can be connected in parallel to feed one tracker input of SOLO inverter PV Feld 1 Smart String Box PV Inverter 4 4 DC OHH vis Bs RT free __ PV2 PE PE EEE EEE EEE m ISA_I PVn EEE PVn Feedback Feedback 1 Serial interface Serial interface PV Feld 2 Smart String Box LHI ria n L1 wert L3 ESUS BE PE PE PE Contactor o e Contactor control 2 lee E es E e Feedback o Feedback 2 Serial interface PV Feld 6 Tracker3 PE Contactor control 5 Feedback 5 PE Contactor control 6 Feedback 6 Contactor control Feedback Serial interface Figure 2 Exemplary overall scheme of a PV installation with Smart String Boxes A different number of PV strings can b
6. use of tools and personal protective equipment WARNING The installation operates under life threatening voltages The PV module strings can be under voltage even when the SOLO String Box switch is turned off and the string protections are detached The DC line toward the inverter can be under voltage even when the SOLO String Box switch is turned off In addition consider the discharge time of the inverter capacitors which is approximately 10 minutes WARNING The SOLO String Box is a part of an entire PV installation Therefore please consider all warnings on the SOLO String Box and on the inverter An automatic restart can take place after a network or photovoltaic voltage interruption 5 Installation of the SOLO String Box 5 1 Opening the SOLO Box housing door The SOLO String Box door is closed with the use of the supplied key Unlocking th cap by plastic key String box state Indication lamp Figure 5 SOLO String Box housing door IDS kc 9 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS 5 2 Opening the SOLO Box protective cover WARNING Even if main switch is turned off the PV side and the DC output side might be under lethal DC voltage Removing of this protective cover shall be done by authorized and qualified personnel only Any liability is excluded in case this rule is not respected The protective cover of the SOLO String Box cannot be dismounted when the main switch is on
7. Copyright IDS Zn Installation and User Manual PV Smart String Box active with contactors SSB A 14 140 SSB A 25 250 Version 1 00 Copyright IDS Contents 1 Type code for PV Smart String BOX c lt ccccccscsccessecccccessccesedeesseeesssccsdedcacecencseecesadseseenssecessdeseesenesnes 6 2 PUSO SIS CTC Fh OU rennen 6 3 PATO CIC ION Eee ee E E ee 7 3 1 Be TCT E E E E E A A E A E S I E 8 3 2 General Safety IHSIEICHORS une ea 8 3 3 Description of the Symbols and Warning Signs Used 22224200s02222000nennnnnnnnnnnnennnnee nenn 8 3 4 TC OOS OUI ee ee ee tee 8 3 5 TYPE 8 6 RS ROLE setae se FEINE E E E R 8 A 211 01106 gt VORNE SA EN EEE DE EIER ENGEREN ERDE E A E ORUEHTENDERETNENERAPUHLUERCREUPERELS TREUE 9 5 Installation of the SOLO String Box uussss22sssnnnnneenennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 9 5 1 Opening the SOLO Box housing GOOF 22uu0sssnnnnnnnnnnnenennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnn 9 5 2 Opening the SOLO Box protective COVer uuueessssnssssannnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen 10 5 3 SOLO String BOX DESIGN 2 need hen einen 11 5 4 Location CHINO IC ARMEE EEE EEE E e aE E AA 12 5 5 Mechanical Installation acctesizcccetenacetmivexaciatecucatuiansedculanseaauineceesitentdueulebearaalsamaeiutnenacnalooteutaientans 12 5 6 BIECHI AL Installaatiot nennen a aE EEA E E E RS 13 5 6 1 Electrical Connections of the PV Strin
8. Internet www ids ch IDS kc 22 22 Installation and User Manual SSB EU en 1010
9. d EN 61000 6 4 Elektromagnetische Vertraglichkeit EMV Teil 6 4 Fachgrundnormen St raussendung fur Industriebereiche IEC 61000 6 4 2006 Electromagnetic compatibility EMC Part 6 4 Generic standards Emission standard for industrial environments IEC 61000 6 4 2006 EN 50178 Ausr stung von Starkstromanlagen mit elektronischen Betriebsmitteln EN 50178 1997 Electronic equipment for use in power installations EN 50178 1997 Aussteller issued by M Vinzens CTO IDS Trade AG Diese Erkl rung bescheinigt die bereinstimmung mit den Richtlinien beinhaltet jedoch keine Zusicherung von Eigenschaften Die Sicherheitshinweise der mitgelieferten Produktdokumentation sind zu beachten This declaration confirms the compliance with the quoted directive but it does not constitute any warranty as to properties The safety information contained in the product documentation supplied must be adhered to Integral Drive Systems AG Technoparkstrasse 1 CH 8005 Z rich Phone 4144 562 06 00 Fax 4144 562 06 06 E Mail info ids ch www ids ch IDS kc 21 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS 8 Contacts Sales IDS Trade AG Tel 41 43 888 9315 Samstagernstrasse 55 Fax 41 43 888 9316 CH 8832 Wollerau E Mail info ids ch Switzerland Internet www ids ch Service Integral Drive Systems AG Tel 41 44 562 0690 Technoparkstrasse 1 Fax 41 44 562 0606 CH 8005 Z rich E Mail service ids ch Switzerland
10. e connected depending on the string box type The positive poles of the separate power feeds are protected individually whereas the type of the fuses must correspond to the maximum PV module string current The separate string currents are guided together through coupling joints and contactors toward the two DC output terminals The currents are monitored and via serial interface fibre optical or RS 485 sent to the data collector which can be a part of the inverter or a separate module If an overvoltage occurs the accruing energy is guided away toward the grounded potential thorough a surge arrester 10M1 PSB 1061 SBM i FIR Power Supply Box u Multi String Monitoring sal ly sill ad ica ie R s String Box Monitoring SA PV 5 j j DC swilch Sunge Aresiar in Manual A i swilch fe 4 ir u r mi E DJ m D ch ha u _ I 1 Lele elele Oo ood EL 1 8 po h 10x1 o amp Aa AE A O rj H 10X2 Of a Optical Feedback Interface RS485 Ready 230 Vac Contactor contral 230 VAC Figure 3 Scheme of the SOLO String Box with inputs for 25 PV strings IDS kc 7 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS 3 1 Disclaimer The contents of the written text have been reviewed for compliance with the described hardware However inaccuracies cannot be excluded thus preventing us from supplying a full guarantee for compliance The data supplied in the current man
11. e strings can be under voltage even when the SOLO String Box switch is turned off and the string protections are detached The DC line toward the inverter can be under voltage even when the SOLO String Box switch is turned off In addition consider the discharge times of the inverter capacitors which is approximately 10 minutes CAUTION The power supply lines must be mounted in a way that won t allow them to be damaged by rodents N CAUTION The electrical lines must not come in contact with flammable materials 5 6 1 Electrical Connections of the PV Strings CAUTION Never feed a DC inlet with voltages higher than 1000V Higher voltages lead to Box damages In case of breach of this rule all warranties will expire and no liability for consequential dam ages will be undertaken The PV module strings must be connected to the dedicated terminals in the SOLO String Box The correct polarity must be observed during this procedure In case of incorrect polarity the SOLO String Box and the PV modules might be damaged The connecting points are visible in the following pictures fee reger e i No a 28 ER er TEET HH Figure 14 PV minus string terminals Figure 15 PV minus string terminals disconnect type IDS kc 13 22 Installation and User Manual SSB EU en 1010 Copyright IDS Fr m je e e je nn nen oa 0 o ww we A oa Wem Yo
12. ect the PV modules to the photovoltaic inverter turn the main switch to ON position Close and lock the SOLO String Box door The indication lamp on the door should glow with red light If the lamp is blinking this is an indication for a surge arrester or contactors or monitor electronic fault A CAUTION The door must be closed properly in order to prevent penetration of dust and humidity CAUTION Contaminations on the rubber seal must be avoided at any cost Damaged rubber seals must be replaced immediately 6 3 Turning the SOLO String Box Off In order to separate the PV modules from a photovoltaic inverter turn the main switch in the Off position A CAUTION Please observe the instructions supplied in the user manual of your photovoltaic inverter IDS kc 18 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS 6 4 Replacing Defective Fuse Links and Surge Arresters CAUTION AN The works described below may be executed only by electricians trained for PV installation CAUTION Use only original fuses In case of use of products manufactured and offered by third parties the protection of the installation will no longer be secured WARNING The PV module strings can be under voltage even when the SOLO String Box switch is turned off The DC line toward the inverter can be under voltage even when the SOLO String Box switch is turned off In addition consider the discharge times of the inver
13. erial interface can be realized by RS 485 electrical bus or fibre optical interface In case of fibre optical interface is selected it should be realized a ring between the data logger and string boxes Starting from data logger the ring should go from box to box following the address selected order m un Pee Pos Pigs manan nnn In Min Tin jun Tun du Tan mn a nun m mm mm mm am Hm mm mu fen fe mn Tr dm Im mn on ee eee eee ee ee Fibre optical receiver and transmitter RS485 terminals Bus terminating resistors switch Figure 21 String Box Monitor fibre optical interface Figure 22 String Box Monitor RS485 interface IDS kc 16 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS 6 SOLO String Box Commissioning 6 1 String Box Address Selection All String Boxes connected to a common serial interface should have unique addresses With the two installed address selection keys it is possible to address up to 100 string boxes in one bus The selected address number is indicated by the help also of LED seven segment indicators Figure 23 The two empty rectangulars on left side label on Figure 23 are to write in with permanent marker the selected address during commisioning Prise Pays Biel Write with a permanent marker the selected TR address _ARARRAR AR ER 4 mam P A a Seven segment indica IE j f _ tion of the selected address Keys for address selectio
14. gs 2222400000200nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen 13 562 Fuse Selecione a R een E nenn eai re 14 5 6 3 Power Cable Connections from Inverter to SOLO String BOX cccccceeseesseseeeeeeeeeeeaes 14 5 6 4 Connection of String box Control Line to Inverter uuussssnnesesennneeennnnnnnnnnnnennnnnnnnnnnnnnn 15 5 6 5 Connection of String Box Monitor Ready Feedback line and Power Supply 16 5 6 6 Connection of String Box Monitor serial interface 22220022200022000 nenne enenne nennen 16 6 SOLO String Box GCommissionind n n eine 17 6 1 String Box Address Selection uss02202222000000RRnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnn 17 6 2 Turning the SOLO String Box ON nzunuuessnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnn 17 6 3 Turning the SOLO String Box Off unuueessnsnnnnnennnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nn 18 6 4 Replacing Defective Fuse Links and Surge Arresters uuss02200400000nnnnnnnnnnnnennnnnn nennen 19 6 4 1 Replacing a Fuse uuuusnsennesnnennnennennnnennnnnnnnnennnnnnennnnnnnnnnnnnnennnn nennen nnnnnnnnnnennnn nennen 19 6 4 2 Changing a Surge Arrester aennneennnnneessnnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnenn 20 7 Declaration of Conformity uueessssssesnnnnneeennnnnnnnnnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
15. n 08 wm rie Ox 38 Oa ee ee ee a Soda wit is t d ce eres be ce ce ce ce ce 10F 1 os 10F5 10F3 10F6 10F8 10F9 10F10 10F11 10F12 p es ry to tp 1x t 4 PV6 BPV7 _ PV8 PV9 PV10 PV11 f PV12 Figure 16 PV plus string connections 5 6 2 Fuse Selection The fuses are pre installed at factory according to the SOLO String Box type The fuses have to be selected according to Table 1 Fuse Type Selection 5 6 3 Power Cable Connections from Inverter to SOLO String Box For installation the protective transparent plate must be unscrewed and detached from the box First the PE cable must be connected with a cable lug to the foreseen screw joint The supply cables from the inverter Figure 17 are connected with cable lugs to the foreseen screw joints The correct polarity must be observed The protective transparent plate must be mounted back and screwed _ 3 PV Fi prise pyres evire frvie DC DC PE Figure 17 Connection of PE DC and DC output to the inverter IDS kc 14 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS 5 6 4 Connection of String box Control Line to Inverter The connection of DC and DC terminals to PV and PV string joints is done by two contactors 10K1 and 10K2 respectively They are switched on by 230VAC control line from inverter connected to control terminals 10X2 1 and 10X2 2 as shown on Figu
16. n by the help of screw driver lt Ris Dei gt oes u A WR a E Ber ee om Ee aeiee vr i Figure 23 Setting the address of the String Box Monitor unit 6 2 Turning the SOLO String Box On Make sure that the PV strings DC DC signal and PE cables are installed correctly in the SOLO String Box Check if the fuse links sizes are rated for the correct current The fuse rating must comply with the rules defined in Chapter 2 Fuse selection guide WARNING A wrong size of the fuse link can lead to damages both to the SOLO String Box and the PV strings WARNING Danger of an electric shock Mount the plastic protective cover for protection against direct contact before proceeding with the commissioning IDS kc 17 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS The protective cover of the SOLO String Box can be dismounted or mounted only when the main switch is turned off Figure 24 Screw DC Switch OFF Selected DC Switch address ON Indicator Figure 24 Protective cover The screws of the SOLO String Box protective cover can be locked with the use of a slotted screwdriver with a quarter of a revolution clockwise When the PV modules in the PV installation are connected properly the SOLO String Box is ready for operation For the commissioning of the SOLO String Box please observe also the instructions described in the user manual of the photovoltaic inverter To conn
17. nstallation and User Manual SSB EU en 1010 Copyright IDS IDS Datasheet SOLO Smart String Box String Box Interface Contactor control input Feedback output Signal connection outer diameter cable gland Spring terminals through type strand wire cross section Signal cable Digital input 230 Vac active high 230 VAC 10 15 50Hz 10 Pmax 30W Normally closed contact when contactor is in active state and surge arrested is not damaged 24 Vac dc 18V 36V 2A 30VDC 4 5mm 10mm 0 5 6 mm 0 5 10 mm Numbers of cores 5x1 5 mm Colour coded VDE0293 308 green yellow blue brown black grey OLFLEX CLASSIC 135CH BK 0 6 1kV String Box Monitor Interface Power supply input 230 Vac 10 15 50 Hz 10 Fuse protected 1 25A String box ready feedback output Normally closed contact when String box is ready Contact specification 24 Vac dc 18 36 V 2 A 30 Vdc Signal cable for power supply and ready feedback Screened UV light resistant number of cores 5x1 5 mm signal Colour coded VDE0293 308 green yellow blue brown black grey recommended OLFLEX CLASSIC 135CH BK 0 6 1kV Lapp Kabel Screw type separable terminals Signal connection outer diameter cable gland Cable cross section Ring type serial interface connection Outdoor UV light resistant armoured Fibre type Multimode 62 5 125 or 50 125 Cable end port ST type Recommended A VO BN H 1x4 Corning Cable
18. re 18 Contactor control 230VAC ahs ari rem Mies Ha Figure 18 Connection terminals to signal cables Note Cable type recommended OLFLEX CLASSIC 135CH BK 0 6 1kV IDS kc 15 22 Installation and User Manual SSB EU en 1010 Copyright IDS 5 6 5 Connection of String Box Monitor Ready Feedback line and Power Supply The surge arrester and the contactors are monitored by auxiliary potential free contacts The String Box Ready Feedback line is a relay dry contact activated depending on the state of the main switch contactors feedbacks and surge arresters feedback The first one is the Surge Arrester signal contact In case the signalling contact is open the surge arrester must be replaced The second and third contacts in the feedback line are the signal contacts of contactors 10K1 and 10K2 Each contactor has one power contact and one signal contact Both contacts are open when the contactor is not supplied and closed when supplied The String Box Ready Feedback line must be connected through String Box Monitor SBM electronic ready terminals to inverter as shown on Figure 19 String Box Ready 230VAC Power supply Figure 19 Signal cable wiring String Box Ready Figure 20 Signal cable wiring String Box Monitor connection to the inverter electronic power supply Note Signal cable type recommended OLFLEX CLASSIC 135CH BK 0 6 1kV 5 6 6 Connection of String Box Monitor serial interface The String Box Monitor s
19. snnnnnennnnnnnennnnnn 21 OS an a E EE AOE E EEE E EE EAEE EEE E 22 IDS kc 3 22 Installation and User Manual SSB EU en 1010 Copyright IDS IDS Datasheet SOLO Smart String Box SSB A 14 140 SSB A 25 250 Electrical Data Maximum operating voltage Maximum output current DC Maximum number PV entrances strings Maximal input current DC per string Possible PV string fuses String current measurement range Reverse string current measuring Surge arrester State indication lamp on the door Test voltage Auxiliary contacts surge arrester trip potential free contact Mechanical Data Dimensions in mm Weight Color Enclosure material Protection class according to EN 60529 Impact strength according to EN 50102 Max air humidity Ambient temperature range UV proof PV Connections outer diameter cable gland fastening torque nominal maximal strand wire cross section PV Connections outer diameter cable gland spring terminals through type strand wire cross section Inverter connections outer diameter cable gland fastening torque nominal maximal Cable lug size PE connection outer diameter cable gland fastening torque nominal maximal Cable lug size IDS kc 1000 VOC Sn gt Type Il Ye 2 5 kV 50 Hz 1 min BEE A EEE ibe rinforod poyestrfber Do o o HERE DEE HE 4 5 10 mm 1 5 Nm 1 8 Nm 0 5 10 mm 4 5 10 mm 0 5 6 mm 0 5 10 mm 22 32 mm 25 Nm M12 4 22 I
20. ter capacitors which is approximately 10 minutes 6 4 1 Replacing a Fuse e Check through the data logger interface which string is not producing current This can be an indication of a damaged fuse e Open the String box door e Turn the main switch to Off A CAUTION Please observe the instructions supplied in the user manual of your photovoltaic inverter e Replace the fuse link by pulling out the string fuse insert Replace the fuse link with the correct rated current complying with the rules defined in Chapter 2 Fuse selection guide Close the string fuse insert Put the protective cover Turn the main switch on The string is operational again Close and lock the String box door Figure 25 Image of an open fuse link WARNING A wrong size of the fuse link can lead to damages both to the SOLO String Box and the PV strings IDS kc 19 22 Installation and User Manual SSB EU en 1010 Copyright IDS ADS 6 4 2 Changing a Surge Arrester The green indicator of the surge arrester will change its colour to red when it tripped Surge arrester indicators Figure 26 Image of a damaged surge arrester The surge arrester is monitored by auxiliary potential free contacts A CAUTION The works described below must be executed only by electricians trained for PV installation e Open the SOLO String Box door e Turn the main switch off e Unscrew and dismantle the protective cover of the SOLO String Box
21. to death or serious body injuries to persons A CAUTION The disobedience of this warning sign could lead to property damage 3 4 Scope of Delivery Article Smart String Box Plastic key for box opening Wall mounting kit Table 2 3 5 Type Label The type label with the product identification is located in the box on the right side under the protective cover as shown on Figure 7 The label is shown on Figure 4 IDS Trade AG Samstagernstrasse 55 CH 8832 Wollerau E Mail info ids ch Product Switzerland i Internet www ids ch identification Type SSB A 25 250 1 0 Circuit diagram no V1 0 Rev 0 Max PV Max PV Number of string voltage string current string inputs Upy 1000 Vdc l v 10 A n 25 Max DC output Max DC output Surge protector voltage current Type Upc 1000 Vde loc 250 A Il Conformity Rated ambient Insulation Protection temperature class m class Tamb 20 60 C 2 IP 55 Serial number Production date Serial number 09 2010 10 20001 Figure 4 Example of a type label IDS kc 8 22 Installation and User Manual SSB EU en 1010 Copyright IDS 4 Warnings WARNING The installation instruction must be obeyed in particular the provisions for the installation of power current devices for the electrical equipment of processing and manipulation machines for the equipment of power current devices with electronic operation tools as well as the regu lations for the professional
22. ual is reviewed regularly Corrections are included in subsequent editions In case of violation of the installation instructions warranty claims will not be accepted We decline any liability in cases of accidents and material damage caused by inappropriate handling undertaking of works by unauthorized personnel and the resulting damages to persons and device as well as for any subsequent damages 3 2 General Safety Instructions Photovoltaic installations operate with lethal voltages The works described here should be performed only by authorized specialized personnel that are familiar with the installation mounting commissioning and operation of PV installation This manual must be read and understood before the installation or the commissioning takes place Unauthorized personnel are not allowed to open the SOLO String Box The SOLO String Box may only be used for the envisaged purposes The faultless and safe operation of the product assumes appropriate transport specialized storage installation and mounting as well as careful manipulation and maintenance The relevant regional and country specific regulations and instructions must be obeyed The requirements described e g the placement location or the installation instructions e g connection profiles torques etc must be taken under consideration at all costs 3 3 Description of the Symbols and Warning Signs Used WARNING The disobedience of this warning sign may lead
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