SUNNY BOY 1200 / 1700
Contents
1.2. WU Object Description Varistors Connection area and sockets for optional communication via RS485 or radio Display PE connection cable for the lid Operating status LEDs Socket for AC Connection Tab for grounding the cable shield with RS485 communication DC plug connectors Electronic Solar Switch ESS socket Installation Guide SB12 17 IA en 52 21 Electrical Connection SMA Solar Technology AG 5 2 Connection to the Public Grid AC 5 2 1 Conditions for the AC Connection Connection requirements of the utility operator 1 Comply with the connection requirements of your utility operator Cable Sizing The conductor cross sectional area should be dimensioned so output losses do not exceed 1 at nominal power The maximum wire lengths relative to the conductor cross section are shown in the following table Conductor cross section Maximum wire length SB 1200 SB 1700 1 5 mm 18m 15m 2 5 mm 30m 22 5m The conductor cross sectional area required in individual cases depends on the following factors among others e Ambient temperature e Routing method e UV resistance e Conduction losses e Valid installation guidelines of the respective country of the installation location Cable Requirements Position Description Value A External diameter 9 mm
3. Test voltage at 50 Hz 1 7 Surge testing voltage 4 kV Surge testing voltage with serial interface 6 kV Internal consumption in night mode 0 1 W Installation Guide SB12 17 lA en 52 63 Technical Data Mechanical data SMA Solar Technology AG Width x height x depth 440 mm x 339 mm x 214 mm Weight 23 kg Climatic Conditions Extended temperature range 25 60 Extended humidity range 0 100 Extended air pressure range 79 5 kPa 106 kPa Temperature range 25 C 0 C Operation temperature range 25 60 C Maximum operating altitude above mean sea level 2 000 m according to DIN EN 50178 1998 04 installation type class according to DIN EN 50178 1998 04 transport type E class 2K3 Features Topology LF transformer General data Protection rating according to DIN EN 60529 IP65 Protection class Noise emission typical 41 dB A Protective equipment All pole DC switch disconnector Electronic Solar Switch DC plug system SUNCLIX DC overvoltage protection Thermally monitored varistors Personal protection R gt 1 MQ ISO Insulation monitoring Pole confusion protection Short circuit diode AC short circuit protection Current control All pole AC disconnection unit Automatic disconnection device
4. S 21 Connection to the Public Grid AC 22 Conditions for the AC Connection 22 Connecting the Inverter to the Public Grid 24 Connecting additional 27 Installation Guide SB12 17 IA en 52 3 Table of Contents SMA Solar Technology AG 5 3 5 4 5 4 1 5 4 2 5 4 3 5 4 4 5 5 5 6 5 6 1 5 6 2 6 1 6 2 6 3 6 3 1 6 3 2 7 1 7 2 7 3 8 1 9 1 9 2 Setting the Display 28 PV generator connection 29 Conditions for the DC Connection 29 Assembling the DC Plug 30 Opening the DC Plug 32 Connecting the PV Generator DC 33 Communication Dues d lata fiat 36 Setting the Grid and Country 36 Setting the Installation 36 Setting Stand alone Grid 37 Commissioningi ene 38 Commissioning the 38 Display Messages during Initialization 39 Self Test in accordance with DK 5940 Ed 2 2 applies to 40 Starting the Self Te
5. PV Inverter SUNNY BOY 1200 1700 Installation Guide SB12 174A en 52 IMEN SB11_17 Version 5 2 SMA Solar Technology Table of Contents Table of Contents 1 1 1 1 2 1 3 1 4 2 2 1 2 2 2 3 2 3 1 2 3 2 3 1 3 2 4 4 2 4 3 5 1 5 1 1 5 1 2 5 2 5 2 1 5 2 2 5 2 3 Notes on this 7 Scope of Validiy yaoi a ai d ase meee 7 Target Group e edes cR RD le IDA da E HI RESTER PR 4 Additional Information 7 Symbols Used setea ht Du tutte Cire ui 8 os ex eX PRESA UR Mmi ns dabo et 9 Appropriate 9 Safety 11 Explanation of Symbols 13 Symbols on the Inverterit ccr aria ee qe to 13 Symbols on the 14 Unpacking Ge eee iG eae ets 15 Scope 15 Identifying the Inverter 15 Mounting the 16 Las eve cesa a a ane ees 16 Selecting the Mounting 16 Mounting the Inverter with Wall Mounting Bracket 18 Electrical Connection 20 Overview of the Connection Area 20 Extetior View Loi spat Ree liano 20
6. 17 mm B Conductor cross section max 2 5 mm C Strip insulation 4 5 mm 22 SB12 17 1A en 52 Installation Guide SMA Solar Technology AG Electrical Connection Load Disconnection Unit You must install a separate line circuit breaker for each inverter in order to ensure that the inverter can be securely disconnected under load The maximum permissible rating is located in section 11 Technical Data page 63 Detailed information and examples for the rating of a line circuit breaker can be found in the Technical Information Line Circuit Breaker in the SMA Solar Technology AG download area at www SMA de en DANGER Danger to life due to fire When more than one inverter is connected to the same line circuit breaker the protective function of the line circuit breaker is no longer guaranteed It can result in a cable fire or the destruction of the inverter e Never connect several inverters to a single line circuit breaker Comply with the maximum permissible fuse protection of the inverter when selecting the circuit breaker DANGER A Danger to life due to fire When a generator inverter and a consumer are connected to the same line circuit breaker the protective function of the line circuit breaker is no longer guaranteed The current from the inverter and the grid can accumulate to overcurrent which is not detected by the line circuit breaker e Never connect loads between the inverter
7. e Close all DC inputs with the corresponding DC connectors and the sealing plug provided Securely attach the Electronic Solar Switch again Installation Guide B12 17 lA en 52 11 Safety SMA Solar Technology AG Damage to the inverter due to moisture and dust intrusion NOTICE If the Electronic Solar Switch is not plugged in or incorrectly plugged in during operation moisture and dust can penetrate the inverter If the Electronic Solar Switch is not correctly plugged in this can cause contacts to wear in the Electronic Solar Switch or the Electronic Solar Switch might fall down This can result in yield loss and damage to the Electronic Solar Switch Always plug in the Electronic Solar Switch as described in the following Do not tighten the screw in the Electronic Solar Switch e Firmly plug in the Electronic Solar Switch until it is flush with the enclosure Ensure that the maximum distance between the Electronic Solar Switch and the enclosure is 1 mm Grounding the PV Generator Comply with the local requirements for grounding the modules and the PV generator SMA Solar Technology AG recommends connecting the generator frame and other electricity conducting surfaces so that there is continuous conduction and to ground them in order to achieve maximum protection of the system and personnel SB12 17 IA en 52 Installation Guide SMA Solar Technology Safety 2 3 Explanation of Sym
8. 5 Multiple inverters installed in areas with high ambient temperatures If necessary increase the clearances and make sure there is enough ventilation to ensure sufficient cooling of the inverters Installation Guide SB12 17 1A en 52 17 Mounting the Device SMA Solar Technology AG 4 3 Mounting the Inverter with Wall Mounting Bracket CAUTION N Risk of injury due to the heavy weight of the inverter the inverter s weight of approx 25 kg into account for mounting When mounting the bracket use fastening material suitable for the material 1 Use the wall mounting bracket as a drilling template and mark the positions of the drill holes 440 mm i 180 mm 167 mm 2 Attach the wall mounting bracket to the wall using appropriate screws and washers di 18 SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Mounting the Device 3 Use the upper mounting clips to fit the inverter in the wall mounting bracket so that it cannot be pushed out of the wall mounting bracket from the side 4 If a second grounding conductor is required in the country of installation you need to ground the inverter and secure it against being lifted out of place as described in section 5 2 3 Connecting additional grounding page 27 5 If a second grounding conductor is not required secure the inverter against being lifted out of place u
9. ORO RC 69 Conl ct x ORO E CUR ROG nC 70 Installation Guide SB12 17 IA en 52 5 Table of Contents SMA Solar Technology AG 6 SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Notes on this Manual 1 Notes on this Manual 1 1 Scope of Validity This manual describes the assembly installation commissioning and maintenance of the following SMA inverters e Sunny Boy 1200 SB 1200 e Sunny Boy 1700 SB 1700 Store this manual where it can be accessed at all times 1 2 Target Group This manual is for qualified personnel The tasks described in this manual may only be performed by qualified personnel 1 3 Additional Information You will find further information on special topics such as designing a line circuit breaker or the description of the operating parameters in the download area at www SMA de en Refer to the user manual for detailed information on operating the inverter Installation Guide SB12 17 IA en 52 7 Notes on this Manual SMA Solar Technology AG 1 4 Symbols Used The following types of safety precautions and general information are used in this manual 1 DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION CAUTION indicates a hazardous situation which if not avoided coul
10. configured country standard is displayed Sar Lol example GER VDE0126 1 1 l e Show display messages again 1 In order to show the display messages from the initialization phase again during operation tap twice on the enclosure cover Installation Guide SB12 17 1A en 52 39 Commissioning SMA Solar Technology AG 6 3 Self Test in accordance with DK 5940 Ed 2 2 applies to Italy only 6 3 1 Starting the Self Test by Tapping You can start testing the disconnection times by tapping on the enclosure lid Prerequisite here is that the country configuration of the inverter has been set to Italy IT DK5940 or trimmed Proceed as follows for checking the disconnection times 1 Connect the PV generator with the inverter The inverter can only initialize if the PV generator produces enough power It is therefore not possible to test the disconnection times at night 2 Connectthe inverter on the AC side For this you have to create the AC connection AC plug or direct connection and or switch on the line circuit breaker of the grid cable fuse or automatic circuit breaker 3 The inverter is now in the initialization phase i e all 3 LEDs are glowing at the same time Start the self test immediately after all 3 LEDS have gone out by tapping once on the display of the inverter 4 The question on whether you would like to start the test sequence appears in the display Tap on the Huuio Autotest display again with
11. does not exceed the maximum flow current of the plug connectors used Installation Guide B12 17 lA en 52 29 Electrical Connection SMA Solar Technology AG 5 4 2 Assembling the DC Plug Connector In order to connect to the inverter all connecting cables of the PV modules must be equipped with the DC plug connectors provided To assemble the DC plug connectors proceed as detailed below Ensure the plug connectors have the correct polarity The DC plug connectors are marked with Cable requirements e Use a PV1 F cable Procedure 1 Insert stripped cable into the plug up to the limit 2 Press the clamping clip downward until you hear an audible click lt 3 Ensure the cable is correctly in place Result Action M If the conductors are visible in the hollow e Proceed to step 4 cavity of the clamp the cable is in the correct position 30 SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Electrical Connection Result M If the conductors are not visible in the hollow cavity of the clamp the cable is not in the correct position Action Declamp the clamping clip Use a screwdriver with a width of 3 5 mm e Remove cable and start again from step 1 4 Push the threaded joint to the thread and screw into place with a torque of 2 Nm M The DC plug connectors are now assembled and can be connected to the inver
12. thermal deformation B Action The Electronic Solar Switch can no longer reliably disconnect the DC side 1 Replace the Electronic Solar Switch handle before attaching it again for the order number see section 12 Accessories page 69 2 Commission the inverter as described in section 6 Commissioning page 38 Installation Guide SB12 17 IA en 52 51 Failure Search 9 Failure Search SMA Solar Technology AG IF the inverter displays blink codes or error messages other than those described in the following section contact the SMA Serviceline In the user manual provided you will also find a description of the display messages during operation the status messages and measuring channels Do not try to carry out repairs other than those described here Instead use the SMA Solar Technology AG 24 hour replacement service the inverter will be ready for dispatch within 24 hours and sent to a forwarding agency and repair service 9 1 LED Codes Green Glows continuously Red Is not glowing Yellow Is not glowing Status OK feeding operation Glows continuously Is not glowing Ground fault or varistor defective Glows continuously OK initialization Flashes quickly 3 x per second Is not glowing Is not glowing OK stop Glows continuously Is not glowing Ground fault or varistor defective Flashes slowly 1 x per second Is not glow
13. 60 SB12 17 IA en 52 Installation Guide SMA Solar Technology Decommissioning 10 Decommissioning 10 1 Dismantling the Inverter CAUTION N Risk of injury due to the heavy weight of the inverter e Remember that the inverter weighs approx 25 kg 1 Openthe inverter as described in section 7 2 Opening the Inverter page 45 2 Remove all cables from the inverter Close the inverter with the 4 screws 4 Loosen the lower screw between the inverter und wall mounting bracket 5 Remove the inverter upward from the wall mounting bracket MI inverter is dismantled Installation Guide SB12 17 IA en 52 61 Decommissioning SMA Solar Technology AG 10 2 Packing the Inverter If possible always pack the inverter in its original packaging If it is no longer available you can also use an equivalent box The box must be capable of being closed completely and made to support both the weight and the size of the inverter 10 3 Storing the Inverter Store the inverter in a dry place where ambient temperatures are always between 25 and 60 10 4 Disposing of the Inverter Dispose of the inverter at the end of its service life in accordance with the disposal regulations for electronic waste which apply at the installation site at that time Alternatively send it back to SMA Solar Technology AG with shipping paid by sender and labeled ZUR ENTSORGUNG for dispos
14. B B Italian B A French A B English A A 3 Close the inverter as described in section 7 3 Closing the Inverter page 48 M The display language has now been set 28 SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Electrical Connection 5 4 PV generator connection DC 5 4 1 Conditions for the DC Connection z Use of Adaptors 1 Adaptors branch connectors must not be visible or freely accessible in the immediate surroundings of the inverter The DC current flow may not be interrupted via adaptors Observe the procedure for disconnecting the inverter as described in section 7 2 Opening the Inverter page 45 Requirements for the PV modules of the connected strings Same type Same number Identical alignment ldentical tilt connecting cables from the PV modules must be fitted with plug connectors You will find the necessary DC plug connector for DC connection in the delivery following limiting values at the DC input of the inverter may not be exceeded Inverter Maximum input voltage Maximum input current SB 1200 400 V DC 12 6 A DC SB 1700 400 V DC 12 6 A DC DANGER Risk of lethal electric shock or fire The maximum possible input current per string is limited by the plug connectors used If the plug connector is overloaded an electric arc may occur and there is a fire risk Ensure that the input current for each string
15. EPROM The data is not relevant for safe operation The disturbance has no effect on the performance of the inverter EEPROM dBh EEPROM data is defective the device has switched off because the loss of data has disabled important functions of the inverter Corrective measures e Contact the SMA Serviceline EeRestore One of the duplicate data sets in the EEPROM is defective and has been reconstructed without loss of data e error message only serves to inform you and has no effect on the performance of the inverter Fac Bfr The grid frequency is no longer within the permissible range Bfr or Srr esi is an internal message of no relevance for the user FacFas For safety reasons the inverter disconnects itself from the grid Corrective measures e Check the grid connection and contact the utility operator if necessary If the grid frequency is within the tolerance range yet Fac Bfr Fac Srr or FacFast faults are still being displayed contact the SMA Serviceline Imax Overcurrent on the AC side This fault code is displayed if the current in the AC grid is larger than specified Corrective measures e Check the system design and grid conditions K1 Close Fault during relay test K1 Open Corrective measures e Contact the SMA Serviceline if this problem occurs often or several times in succession MSD FAC Internal measurement comparison fault or hardware defect MSD VAC Corrective measures MSD Timeout Ifthis fau
16. SMA Grid Guard 2 1 double design Communication Interfaces Bluetooth Wireless Technology Optional Radio Optional RS485 galvanically isolated Optional 64 SB12 17 IA en 52 Installation Guide SMA Solar Technology Technical Data Electronic Solar Switch Electrical service life in the event of a short circuit minimum of 50 switching operations with a nominal current of 35 A Maximum switching current 35A Maximum switching voltage 800 V Maximum PV power 12kw Protection rating when plugged IP65 Protection rating when unplugged IP21 Efficiency 98 92 110V DC Vpy 200 V DC 96 Vpy 320 V DC 88 94 59 92 90 88 86 n E Sunny Boy 1200 ii 200 400 600 800 1000 1200 Prc W Peak efficiency 92 1 European efficiency NEU 90 9 Installation Guide SB12 17 lA en 52 65 Technical Data SMA Solar Technology AG 11 2 Sunny Boy 1700 DC Input Maximum DC power at cos 1 Ppc 1 850 W Maximum DC voltage VDC max 400 V MPP voltage range at 230 V AC Vpy 147 320 V DC nominal voltage VDC nom 180 V Minimum DC voltage at 230 V AC VDC min 139 V Start voltage adjustable VPV Start 180 V Maximum input current IPV max 12 6 Number of MPP trackers 1 Maximum number of parallel strings 2 Voltage ripp
17. V NR SUNCLIX DC plug connector Field plug for conductor cross SUNCLIX FC6 SET sections of 2 5 mm 6 mm Installation Guide SB12 17 IA en 52 69 Contact SMA Solar Technology AG 13 Contact If you have technical problems concerning our products contact the SMA Serviceline We require the following information in order to provide you with the necessary assistance e Inverter type e Inverter serial number e and number of PV modules connected Optional equipment e g communication devices e Blink code or display of inverter SMA Solar Technology AG Sonnenallee 1 34266 Nliestetal Germany www SMA de SMA Serviceline Inverters 49 561 9522 1499 Communication 49 561 9522 2499 Fax 49 561 9522 4699 E mail Serviceline SMA de 70 SB12 17 IA en 52 Installation Guide SMA Solar Technology Legal Provisions Legal Provisions The information contained in this document is the property of SMA Solar Technology AG Publishing its content either partially or in full requires the written permission of SMA Solar Technology AG Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission SMA Factory Warranty The current warranty conditions come enclosed with your device These are also available online at www SMA Solar com and can be downloaded and are available on paper from the usual sales channe
18. age of the PV modules must not be more than 90 of the maximum inverter input voltage Otherwise check the system design and the PV module connection If this is not done the maximum inverter input voltage can be exceeded at low temperatures NOTICE o Exceeding the maximum input voltage can destroy the inverter If the voltage of the PV modules exceeds the maximum input voltage of the inverter it can be destroyed by the overvoltage All warranty claims become void Do not connect strings with an open circuit voltage greater than the maximum input voltage of the inverter e Check the system design Installation Guide B12 17 lA en 52 33 Electrical Connection SMA Solar Technology AG 4 Check the strings for ground faults as described in section 9 3 1 Checking the PV Generator for a Ground Fault page 57 DANGER Risk of lethal electric shock Do not connect strings with ground faults First rectify the ground fault in the respective string g P g 5 Check the DC plug connector for correct polarity and connect it To release the plug connectors see section 7 2 Opening the Inverter page 45 6 create the sealing on the inverter all the DC inputs that are not needed must be closed as follows Insert the sealing plugs provided into the DC a plug connectors that are not required Do not insert the sealing plus into the DC inputs P d on the inve
19. al see section 13 Contact page 70 62 SB12 17 IA en 52 Installation Guide SMA Solar Technology 11 Technical Data 11 1 Sunny Boy 1200 DC Input Technical Data Maximum DC power at cos 1 Ppc 1320W Maximum DC voltage max 400 V MPP voltage range at 230 V AC Vpy 100 V 320 V DC nominal voltage nom 120V Minimum DC voltage at 230 V AC VDC min 100 V Start voltage adjustable Start 120V Maximum input current max 12 6 Number of MPP trackers 1 Maximum number of parallel strings 2 Voltage ripple of input voltage Vor lt 10 Internal consumption during operation lt 4W The maximum open circuit voltage which can occur at a cell temperature of 10 may not exceed the maximum input voltage AC Output AC nominal power at 230 V AC 50 Hz PAC nom 1 200 W Maximum AC apparent power SAC max 1 200 VA Nominal AC current IAC nom 5 2A Maximum output current IAC max 6 1A Maximum fuse protection 16A Harmonic distortion of output current at Kiac lt 3 AC THD voltage lt 2 AC power gt 0 5 AC nominal power Nominal AC voltage VAC nom 220 V 230 V 240 V AC voltage range VAC 180 V 265 V AC grid frequency FAC nom 50 Hz 60 Hz Operating range at AC grid frequency fic 50 Hz 45 5 Hz 54 5 Hz 60 Hz 55 5 Hz 64 5 Hz Power factor at nominal AC power cos 1 Overvoltage category
20. and the line circuit breaker without protection Always protect consumers separately NOTICE o Damage to the inverter by using screw type fuse elements as a load disconnection unit A screw type fuse element e g D system Diazed or DO system Neozed is not a circuit breaker and may not be used as a load disconnection unit A screw type fuse element is only used as cable protection When disconnecting under load using a screw type fuse element the inverter can be damaged e Use only a load disconnecting switch or a line circuit breaker as a load disconnecting unit Installation Guide B12 17 lA en 52 23 Electrical Connection SMA Solar Technology AG 5 2 2 Connecting the Inverter to the Public Grid AC Overview AC connection socket Object Description A Socket element B Threaded sleeve Sealing ring PG13 5 D Fastening case PG 13 5 E Pressure screw for PG 13 5 for a cable diameter between 9 mm 13 5 mm F Cable gland PG 16 for a cable diameter between 13 5 and 17 Procedure 24 Choose an appropriate screw fitting for the AC cable Check the grid voltage and compare with Vac nom on the type label The exact operating range of the inverter is specified in the operating parameters The corresponding document is located in the download area at www SMA de en in the Technical Description category of the respective
21. bols This chapter contains an explanation of all symbols found on the inverter and type label 2 3 1 Symbols on the Inverter Symbol Explanation Operation display Indicates the operation condition of the inverter hy Ground fault or varistor defective Read section 9 3 Red LED is Glowing Continuously page 56 Disturbance or fault Li Read section 9 Failure Search page 52 A You can operate the display by tapping it A e 1 tap the backlight is switched on or the display switches to the next screen 2 taps in quick succession the inverter shows the display messages from the initialization phase again see section 6 2 Display Messages during Initialization page 39 Electronic Solar Switch ESS DC load disconnection unit UL 2 gt When the Electronic Solar Switch is plugged in the DC circuit is closed To interrupt the DC circuit and disconnect the inverter securely under load you have to first pull out the Electronic Solar Switch and then remove all DC plug connectors as described in section 7 2 Opening the Inverter page 45 Installation Guide SB12 17 1A en 52 13 Safety SMA Solar Technology AG 2 3 2 Symbols on the Type Label Symbol Explanation Beware of dangerous electrical voltage The inverter operates at high voltages All work on the inverter must be carried out by qualified personnel only Beware of h
22. d result in minor or moderate injury N NOTICE is NOTICE indicates a situation that can result in property damage if not avoided e Information Information provides tips that are valuable for the optimal installation and operation of your product DI This symbol indicates the result of an action 8 SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Safety 2 Safety 2 1 Appropriate Usage The Sunny Boy is a PV inverter which converts the DC current of the PV generator to AC current and feeds it into the public grid Principle of a PV plant with this Sunny Boy Sunny Boy PV modules Distribution Public grid Va The Sunny Boy may only be operated with PV generators modules and cabling of protection class II Do not connect any sources of energy other than PV modules to the Sunny Boy When designing the PV system ensure that the values comply with the permitted operating range of all components at all times The free design program Sunny Design www SMA de en SunnyDesign will assist you The manufacturer of the PV modules must have approved the modules for use with this Sunny Boy device You must also ensure that all measures recommended by the module manufacturer for long term maintenance of the module properties are taken see also Technical Information Module Technology in the download area of www SMA de en Do not use the Sunny Boy for purposes other than t
23. duced successively until the shut down threshold is achieved and the inverter disconnects from the grid Once the inverter has disconnected from the grid the display successively shows the following values one after the other Disconnection value Valore di soglia cons 49 95H Calibration value dal taratura SE Reaction time Temeo intervento Eb Xn pen a Present grid frequency Fresuenza rete Hal eff Bs Installation Guide SB12 17 1A en 52 43 Commissioning SMA Solar Technology AG Minimum Frequency In the last step the inverter tests the minimum frequency During the test sequence the frequency limit applied is Autotest shown in the display of the inverter Ean mint da in nm E EEE ET H The frequency limit is increased successively until the shut down threshold is achieved and the inverter disconnects from the grid Once the inverter has disconnected from the grid the display successively shows the following values one after the other Disconnection value alone di soglia Calibration value al barabara Reaction time Tempo intersenbo Present grid frequency When the inverter has carried out the 4 tests it switches to MPP operation mode MPP The original calibration values are then re set and the inverter automatically connects to the grid If you would like to carry out the test again you have to disconnect th
24. e connection replaced Varistor failure is generally due to influences which affect all varistors similarly temperature age induced overvoltage SMA Solar Technology AG recommends that you replace both varistors The varistors are specially manufactured for use in the inverter and are not commercially available They must be ordered directly from SMA Solar Technology AG see section 12 Accessories page 69 replace the varistors proceed to step 3 NOTICE Destruction of the inverter due to overvoltage If varistors are missing the inverter is no longer protected against overvoltages Replacement varistors should be obtained as soon as possible Do not operate the inverter without varistors in plants with a high risk of overvoltages 3 Insert an insertion tool into the openings of the terminal contacts 1 The terminal clamps loosen If you do not receive an insertion tool for operating the terminal clamps with your replacement varistors contact SMA Solar Technology AG As an alternative the individual terminal contacts can be operated using a 3 5 mm wide screwdriver Remove the varistor 2 5 Insert new varistor 3 The pole with the small loop crimp must be fitted to terminal A when remounting 6 Close the inverter as described in section 7 3 Closing the Inverter page 48 M The check and replacement of the varistors is completed
25. e inverter in other words you have to disconnect it on the AC and DC sides and then later re activate it You can then restart the selftest as described in the following section 6 3 1 Starting the Self Test by Tapping page 40 The inverter begins the test sequence again as described in section 6 3 2 Completion of the Self Test page 40 44 B12 17 lA en 52 Installation Guide SMA Solar Technology AG Opening and Closing 7 Opening and Closing 7 1 Safety DANGER Risk of lethal electric shock Observe the following before opening the inverter e Ensure the AC side is not live e Ensure the DC side is not live J NOTICE o Electrostatic discharges can damage the inverter Internal components of the inverter can be irreparably damaged by electrostatic discharge e Ground yourself before touching a component 7 2 Opening the Inverter l Disconnect the line circuit breaker and secure against re connection 2 Pullthe Electronic Solar Switch downwards slightly towards the wall 3 Using a current probe ensure that there is no current to all DC cables MI If there is a current present check the installation S Installation Guide B12 17 lA en 52 45 Opening and Closing SMA Solar Technology AG 4 Unlock all the DC plug connectors Use a screwdriver with a width of 3 5 mm nsert a screwdriver into one of the side slits 1 Disco
26. ection 5 6 Setting the Grid and Country Parameters page 36 To change grid relevant parameters you need a personal access code the so called SMA Grid Guard Code The application form for the personal access code is located in the download area at www SMA de en in the Certificate category for each inverter 10 SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Safety 2 2 Safety Precautions DANGER Danger to life due to high voltages in the inverter All work on the inverter may be carried out by qualified personnel only e The appliance is not to be used by children or persons with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction Children should be supervised to ensure that they do not play with the appliance DANGER Danger of burn injuries due to hot enclosure parts Do not touch enclosure during operation e Only touch the lid during operation NOTICE A N Dust and water in the Sunny Boy can damage the inverter Once the Electronic Solar Switch has been pulled out the inverter only provides protection rating IP21 The inverter is then no longer protected against water and dust In order that the protection rating IP65 is also provided during a temporary decommissioning proceed as follows Release and disconnect all DC connectors Open all DC connectors and remove the cables
27. etween the plus pole and the minus pole of each string 4 ey If the voltages measured are stable and the total of the voltages from the plus pole against ground potential and the minus pole against ground potential of a string roughly corresponds to the voltage between the plus pole and minus pole then there is a ground fault Installation Guide B12 17 lA en 52 57 Failure Search SMA Solar Technology AG Result Action M You have found a ground fault e installer of the PV generator must remedy the ground fault in the affected string You can determine the location ofthe ground fault as described below Do not reconnect the faulty string e Close the inverter and commission it as described in section 6 1 Commissioning the Inverter page 38 M You have found no ground fault It is likely that one of the thermally monitored varistors is defective e Check the varistors as described in section 9 3 2 Checking the Functioning of the Varistors page 59 Location of the ground fault The approximate position of the ground fault can be determined from the ratio of the measured voltages between the plus pole against ground potential and the minus pole against ground potential PE Example V 200 V 300V Pond BBY 100V 100V T 100 V 100 V 100 V I 2 In this case the ground fault is between the second and third PV module M The
28. ground fault check is finished 58 SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Failure Search 9 3 2 Checking the Functioning of the Varistors Varistors are wear parts Their functional efficiency diminishes with age or following repeated responses as a result of overvoltages It is therefore possible that one of the thermally monitored varistors has lost its protective function and thus the red LED is lit r i Position of Varistors e 1 You can determine the position of the varistors using the illustration below Observe the following allocation of the terminals Terminal A outer terminal varistor connection with loop Terminal B middle terminal Terminal C outer terminal varistor connection without loop crimp Check the function of the varistors as described below Open the inverter as described in section 7 2 Opening the Inverter page 45 2 With the aid of a multimeter determine for both varistors in the installed state whether a conductive connection exists between connectors B and C Result Action There is a conducting connection There is probably a different fault in the inverter Contact the SMA Serviceline see section 13 Contact page 70 Installation Guide SB12 17 1A en 52 59 Failure Search SMA Solar Technology AG Result Action There is no conducting The respective varistor is not working and must b
29. he shut down threshold is achieved and the inverter disconnects from the grid Once the inverter has disconnected from the grid the display successively shows the following values one after the other e Disconnection value Calibration value Ual barabara 262 n e Reaction time Tempo interenbo Present grid voltage Tensione di rete Hal affi Installation Guide SB12 17 1A en 52 41 Commissioning SMA Solar Technology AG Undervoltage Test After the overvoltage test the inverter performs the undervoltage test During the test sequence the current Fut calibration value of the voltage limit applied is shown in Lac min 125 Ga the display of the inverter ret ur DE The voltage limit is increased successively until the shut down threshold is achieved and the inverter disconnects from the grid Once the inverter has disconnected from the grid the display successively shows the following values one after the other Disconnection value Halore di soglia Cons 233 Calibration value Hal iu e Reaction time Tempo interuento Present grid voltage 42 B12 17 lA en 52 Installation Guide SMA Solar Technology Commissioning Maximum Frequency In the third step the inverter tests the maximum frequency During the test sequence the frequency limit applied is Autotest shown in the display of the inverter Fac maxi sa The frequency limit is re
30. hose described here Alternative uses modifications to the Sunny Boy or the installation of components not expressly recommended or sold by SMA Solar Technology AG void the warranty claims and operation permission Installation Guide SB12 17 IA en 52 9 Safety SMA Solar Technology AG Certified Countries The Sunny Boy 1200 1700 with according configuration fulfill the requirements specified in the following standards and directives dated 12 2010 SB 1200 SB 1700 AS4777 2005 54777 2005 C10 C11 05 2009 CIO C11 05 2009 e CER 06 190 10 2006 e CER 06 190 10 2006 DK 5940 Ed 2 2 02 2006 DK 5940 Ed 2 2 02 2006 50438 2008 50438 2008 e G83 1 1 2008 G83 1 1 2008 929 EEE929 PPC 2006 PPC 2006 PPDS 2009 PPDS 2009 e RD 1663 2000 2000 RD 1663 2000 2000 RD 1663 661 RD 1663 661 e VDE 0126 1 1 02 2006 e VDE 0126 1 1 02 2006 e UTE 15 712 1 e UTECIS712 1 On request only applies to SB 1200 T SB 1700 IT does not apply to national standard deviations of EN 50438 Firmware version 3 06 and higher SMA Solar Technology AG can preset special grid parameters for other countries installation locations according to customer request after evaluation by SMA Solar Technology AG You can make later modifications yourself by changing software parameters with respective communication products e g Sunny Data Control or Sunny Explorer see s
31. in 30 seconds in order to confirm the question Once you have started the test sequence the inverter checks the disconnection times for overvoltage undervoltage maximum frequency and minimum frequency one after the other During the tests the inverter shows the values in the display which are described in section 6 3 2 Completion of the Self Test page 40 6 3 2 Completion of the Self Test Note the values which are displayed during the selftest These values must be entered into a test protocol The test results of the individual tests are displayed 3 times one after the other The respective display message is displayed for 10 seconds During the test sequence the inverter will not react to tapping The self test changes the upper and lower shutdown thresholds for each protective function on a linear basis with a modification of 0 05 Hz s and 0 05 Vn s for the frequency and voltage monitoring As soon as the actual measurement value is outside the permitted range altered shut down threshold the inverter disconnects itself from the grid In this way the inverter determines the reaction time and checks itself 40 SB12 17 IA en 52 Installation Guide SMA Solar Technology Commissioning Overvoltage Test The inverter begins with the overvoltage test During the test sequence the voltage limit applied is shown in the Autotest display of the inverter Hmm mami T T The voltage limit is reduced successively until t
32. ing Is not glowing OK waiting grid monitoring Glows continuously Is not glowing Ground fault or varistor defective Briefly goes out Approx 1x per second Is not glowing Is not glowing OK derating Glows continuously Is not glowing Ground fault or varistor defective Is not glowing Is not glowing Is not glowing OK nighttime deactivation Glowing flashing Disturbance Glows continuously Is not glowing Ground fault or varistor defective Glowing flashing Ground fault or varistor defective and disturbance 52 SB12 17 lA en 52 Installation Guide SMA Solar Technology AG Failure Search 9 2 Error Messages When a disturbance occurs the inverter generates a message which depends on the operating mode and the type of the detected disturbance Message Description and corrective measure IPV Overvoltage Overvoltage at DC input IDISCONNECT DC Overvoltage can destroy the inverter Corrective measures Disconnect the inverter from the grid immediately 1 Turn off the line circuit breaker 2 Remove the Electronic Solar Switch 3 Disconnect all the DC plug connectors 4 Check DC voltage Ifthe DC voltage exceeds the maximum input voltage check the plant design or contact the person who installed the PV generator Ifthe DC voltage is under the maximum input voltage reconnect the inverter to the PV generator as desc
33. inverter Switch off the line circuit breaker secure against reconnection and make sure no voltage is present Strip approx 30 mm from the AC cable z 30 mm P app Shorten L and N by 5 mm Strip the wires of the cable by 4 to 5 mm SB12 17 IA en 52 Installation Guide SMA Solar Technology Electrical Connection 11 12 Pass the pressure screw and or cable gland and socket tube over the AC cable Size used Procedure PG13 5 e Push the sealing ring into the fastening case e Lead the pressure screw PG13 5 and the fastening case including the sealing ring over the AC cable Lead threaded sleeve over the AC cable PG16 e Pass the cable gland PG16 over the AC cable Lead threaded sleeve over the AC cable Insert the protective earth PE green yellow in the screw terminal with the earth sign on the socket element and tighten the screw Insert the neutral conductor N blue in the screw terminal 1 on the socket and tighten the screw Place phase L brown or black into screw terminal 2 on the socket insert and tighten the screw Terminal 3 on the socket element remains unused Make sure the wires are securely connected Installation Guide SB12 17 1A en 52 25 Electrical Connection SMA Solar Technology AG 13 Screw the threaded sleeve onto the socket element 14 Tighten the pressure screw or cable gland tightly onto the threaded sleeve Size used Pr
34. ion devices e g Sunny WebBox or a PC with corresponding software e g Sunny Data Control or Sunny Explorer Refer to the communication interface manual for a detailed wiring diagram and a description of the mounting 5 6 Setting the Grid and Country Parameters Changing Grid Relevant and Country Parameters e 1 To change grid relevant parameters you need a personal access code the so called SMA Grid Guard Code The application form for the personal access code is located in the download area at www SMA de en in the Certificate category for each inverter Ensure that you discuss the changes to these parameters with your utility operator A detailed description of the operating parameter for the inverter is available in the download area at www SMA de en in the category Technical Description of the respective inverter 5 6 1 Setting the Installation Country Using the Default parameter you can set the installation country and or the grid connection standard valid for the country via a communication device e g Sunny WebBox or a PC with appropriate software e g Sunny Data Control or Sunny Explorer This however is only required if the inverter was originally ordered for another country You can see the standard to which the inverter was set upon delivery from the type label and the supplementary document provided with the factory settings 36 SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Electrical Con
35. ion temperature range 25 60 C Maximum operating altitude above mean sea level 2 000 m according to DIN EN 50178 1998 04 installation type class according to DIN EN 50178 1998 04 transport type E class 2K3 Features Topology LF transformer General data Protection rating according to DIN EN 60529 IP65 Protection class Noise emission typical 46 dB A Protective equipment All pole DC switch disconnector Electronic Solar Switch DC plug system SUNCLIX DC overvoltage protection Thermally monitored varistors Personal protection Ri gt 1 MQ Insulation monitoring Pole confusion protection Short circuit diode AC short circuit protection Current control All pole AC disconnection unit Automatic disconnection device SMA Grid Guard 2 1 double design Communication Interfaces Bluetooth Optional Radio Optional RS485 galvanically isolated Optional Installation Guide SB12 17 lA en 52 67 Technical Data Electronic Solar Switch SMA Solar Technology AG Electrical service life in the event of a short circuit minimum of 50 switching operations with a nominal current of 35 A Maximum switching current 35A Maximum switching voltage 800 V Maximum PV power 12
36. kw Protection rating when plugged IP65 Protection rating when unplugged IP21 Efficiency 98 Vpy 180 V DC 92 Vpy 250 V DC z 91 961 7 Vpy 300 V DC gt 90 go 94 5 92 c 90 88 86 Sunny Boy 1700 1 500 1000 1500 1700 Pac W Peak efficiency 93 5 European efficiency NEU 91 8 68 SB12 17 IA en 52 Installation Guide SMA Solar Technology 12 Accessories Accessories You will find the corresponding accessories and replacement parts for your product In the following overview If required you can order these from SMA Solar Technology AG or your dealer Description Electronic Solar Switch Brief description ESS handle replacement part SMA order number ESS HANDLE O 1 Also enter the inverter s serial number Replacement varistors Set of thermally monitored varistors SB TV3 2 pcs including insertion tool Insertion tool for replacing the Insertion tool for varistor sets SB TVWZ varistors Positive grounding set Upgrade kit for the positive ESHV P NR connection to ground of the DC input Negative grounding set Upgrade kit for the negative ESHV N NR connection to ground of the DC input RS485 upgrade kit RS485 interface 485PB NR Radio upgrade kit Radio Piggy Back for upgrading an BEAMPB NR inverter for communication with Sunny Beam including antenna coaxial cable and PG cable gland metal Bluetooth upgrade kit Bluetooth interface BTPBIN
37. l or Green LED flashes when there is insufficient irradiation network connection conditions have not yet been reached Wait for sufficient irradiation or The red or yellow LED is glowing or flashing there has been an error Proceed to step 3 gt Green LED Operation Red LED Ground fault or varistor defective C Yellow LED Disturbance Uu E Self test in accordance with DK 5940 Ed 2 2 for initial commissioning 1 applies to Italy only The Italian DK 5940 standard requires that an inverter can first operate on the power distribution grid when the disconnection times for overvoltage undervoltage minimum frequency and maximum frequency have been checked Restart the self test as described in the following section 6 3 Self Test in accordance with DK 5940 Ed 2 2 applies to Italy only page 40 The test takes approx 8 minutes 3 Read section 9 Failure Search page 52 and if necessary eliminate the fault or disturbance 38 SB12 17 IA en 52 Installation Guide SMA Solar Technology Commissioning 6 2 Display Messages during Initialization After startup of the inverter the display shows the inverter type Surg Bos After 5 seconds or when you tap again on the enclosure cover the firmware version of the internal processors is displayed BFE Mersin xxx SER Uerzion mamm After a further 5 seconds or when you tap again the IDEE
38. le of input voltage Vor lt 10 Internal consumption during operation lt 4W The maximum open circuit voltage which can occur at a cell temperature of 10 may not exceed the maximum input voltage AC Output AC nominal power at 230 V AC 50 Hz PAC nom 1550W Maximum AC apparent power SAC max 1700 VA Nominal AC current IAC nom 6 7 A Maximum output current IAC max 8 6 A Maximum fuse protection 16A Harmonic distortion of output current at lt 3 AC THD voltage lt 2 AC power gt 0 5 AC nominal power Nominal AC voltage VAC nom 220 V 230 V 240 V AC voltage range VAC 180V 265V AC grid frequency FAC nom 50 Hz 60 Hz Operating range at AC grid frequency fac 50 Hz 45 5 Hz 54 5 Hz 60 Hz 55 5 Hz 64 5 Hz Power factor at nominal AC power cos 1 Overvoltage category Test voltage at 50 Hz 1 7 kV Surge testing voltage 4 kV Surge testing voltage with serial interface 6 kV Internal consumption in night mode 0 1 W 66 SB12 17 lA en 52 Installation Guide SMA Solar Technology AG Mechanical data Technical Data Width x height x depth 440 mm x 339 mm x 214 mm Weight 25 kg Climatic Conditions Extended temperature range 25 60 Extended humidity range 0 100 Extended air pressure range 79 5 kPa 106 kPa Temperature range 25 C 0 C Operat
39. ls if required 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 The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by SMA Solar Technology AG is under licence QR Code is a registered trademark of DENSO WAVE INCORPORATED SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E Mail info SMA de 2004 to 2012 SMA Solar Technology AG All rights reserved Installation Guide SB12 17 lA en 52 71 SMA Solar Technology SMA Solar Technology AG www SMA de SMA Australia Pty Ltd www SMA Australia com au SMA Benelux bvba sprl www SMA Benelux com SMA Beijing Commercial Company Ltd www SMA China com cn SMA Central amp Eastern Europe s r 0 www SMA Czech com SMA France S A S www SMA France com SMA Hellas AE www SMA Hellas com SMA Ib rica Tecnolog a Solar S L U www SMA lberica com SMA Solar India Pvt Ltd www SMA India com SMA Italia S r l www SMA ltalia com SMA Japan K K www SMA Japan com SMA Technology Korea Co Ltd www SMA Korea com SMA Middle East LLC www SMA Me com SMA Portugal Niestetal Services Unipessoal Lda www SMA Portugal com SMA Solar Thailand Co Ltd www SMA Thailand com SMA Solar UK Ltd www SMA UK com
40. lt occurs often contact the SMA Serviceline Offset The Offset operating condition is a normal operating condition that occurs prior to grid monitoring If Offset is displayed as an error then there is a disturbance in the data logging Corrective measures fthis fault occurs often contact SMA Serviceline 54 SB12 17 1A en 52 Installation Guide SMA Solar Technology AG Failure Search Message Description and corrective measure Riso The electrical insulation between the PV plant and ground is faulty The resistance between the DC plus and or DC minus connection and ground is outside the defined limit range Corrective measures e Check the plant insulation e Check the plant for ground faults as described in section 9 3 1 Checking the PV Generator for a Ground Fault page 57 ROM The inverter s firmware is faulty Corrective measures fthis fault occurs often contact SMA Serviceline Shutdown Temporary inverter fault Corrective measures e Contact the SMA Serviceline Vac Bfr The grid voltage is no longer within the permissible range Bfr or Srr is an internal message of no relevance for user This code can be caused by any of the following conditions Grid disconnected line circuit breaker fuse e AC cable is broken or AC cable is highly resistive For safety reasons the inverter disconnects itself from the grid Cor
41. nection 5 6 2 Setting Stand alone Grid Operation To operate the inverter in a Sunny Island system you must set the inverter via the Default parameter to OFF Grid operation You have several possibilities to set the inverter to stand alone grid operation Setting via Sunny WebBox or e Setting via Sunny Data Control or Sunny Explorer DANGER Danger to life due to high voltages in the event of outage of the power distribution grid If you set the inverter to stand alone grid operation it does not fulfill any country specific standards and regulations Therefore if there is an outage of the power distribution grid there is a danger of back feed e Never operate the inverter directly on the power distribution grid when set to stand alone grid operation Installation Guide SB12 17 1A en 52 37 Commissioning SMA Solar Technology AG 6 Commissioning 6 1 Commissioning the Inverter 1 Check the following requirements before commissioning The inverter is firmly fastened Correct connection of the AC cable grid Full connection of the DC cables PV strings DCinputs that are not needed are closed with the corresponding DC plug connectors and sealing plugs The enclosure lid is securely screwed in place The Electronic Solar Switch ESS is securely plugged The line circuit breaker is laid out correctly 2 Switch on the line circuit breaker Green LED glows commissioning has been successfu
42. nnect the DC plug connectors 2 DANGER Danger to life due to unsafe disconnection from the PV generator secure separation from the PV generator is only guaranteed after pulling off the Electronic Solar Switch and all DC plug connectors Remove all DC plug connectors to completely disconnect the PV generator from the inverter 88 99 93 JJ 5 Pull out the AC plug G g 46 5 12 174 52 Installation Guide SMA Solar Technology AG Opening and Closing 6 Check whether all LEDs and the display have gone out DANGER Danger to life due to high voltages in the inverter The capacitors in the inverter require 15 minutes to discharge Wait 15 minutes before opening the inverter 7 Ensure that there is no voltage at the DC plugs at the inverter If there is a voltage present check the installation 8 Remove all screws from the enclosure lid and pull the lid forward smoothly 9 Remove the protective conductor PE connection from the lid by loosening the locking device of the PE connection on the lid M The inverter is now open and is not live Installation Guide 5 12 174 52 47 Opening and Closing SMA Solar Technology AG 7 3 Closing the Inverter 1 Reconnectthe protective conductor PE connection to the enclosure lid 2 Securethe enclosure lid of the inverter b
43. o install e installation method and mounting location must be suitable for the inverter s weight and dimensions see section 11 Technical Data page 63 Mount on a solid surface mounting location must at all times be clear and have safe access without the use of additional aids such as scaffolding or lifting platforms Any possible service actions are otherwise limited max 45 e Vertical installation or tilted backward by max 45 connection area must point downward e Never install the device with a forward tilt 16 SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Mounting the Device e Never install the device with a sideways tilt Do not install horizontally install at eye level in order to allow operating state to be read at all times ensure optimal operation the ambient temperature should be below 40 C e Do not expose the inverter to direct sunlight to avoid a power reduction due to excessive heating e Ina living area do not mount the unit on plasterboard walls or similar in order to avoid audible vibrations The inverter can make noises when in use which may be perceived as a nuisance in a living area Observe the minimum clearances to walls other inverters or objects as shown in the diagram in order to ensure sufficient heat dissipation and sufficient space for the removal of the Electronic Solar Switch
44. ocedure PG13 5 The fastening case along with the sealing ring is pressed into the threaded sleeve and can no longer be seen PG16 e Retighten the lock nut of the cable gland The AC connection socket has been screwed together 15 If the AC connection socket is not immediately connected to the inverter close the AC socket on the inverter with the protective cap provided 16 Insert the AC connection socket into the AC socket on inverter Remove the protective beforehand as required 17 Turnthe threaded ring of the AC connection socket tightly onto the AC socket on the inverter The threaded ring serves to seal and relieve strain on the AC connection socket The AC cable is now connected to the inverter DANGER Danger to life due to high voltages in the inverter Do not switch on the line circuit breaker until the PV generator has been connected and the inverter is securely closed 26 SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Electrical Connection 5 2 3 Connecting additional grounding If a second grounding conductor additional grounding or potential equalization is required you may also ground the inverter on the enclosure Additional grounding overview Object Description A M6x12 cylinder head screw included in the scope of delivery B Washer Terminal lug M with gro
45. ot surface The inverter can become hot during operation Avoid contact during operation Observe all documentation that accompanies the inverter The inverter must not be disposed of with the household waste For more information on disposal see section 10 4 Disposing of the Inverter 62 MA CE mark The inverter complies with the requirements of the applicable EC guidelines The inverter has a transformer Direct Current DC Alternating current AC SA AN Protection rating IP65 The inverter is protected against penetration by dust particles and water jets from any angle UTEZEICHEN Solar RAL quality mark for solar products The inverter complies with the requirements of the German Institute for Quality Assurance and Labeling 14 SB12 17 IA en 52 Installation Guide SMA Solar Technology Unpacking 3 Unpacking 3 1 Scope of Delivery Check the delivery for completeness and for any visible external damage Contact your dealer if anything is damaged or missing G H K L M N Object Quantity Description A 1 Sunny Boy B 1 Wall mounting bracket C 1 Electronic Solar Switch ESS D 4 DC plug connectors 2 x positive 2 x negative E 4 Sealing plugs for DC plug connectors F 1 Protective for AC socket on inverter G 1 AC connection socket socket unit threaded sleeve pressure screw PG13 5
46. rective measures e Check the grid current and grid connection on the inverter Ifthe grid voltage lies outside the acceptable range because of local grid conditions ask the utility provider if the voltage can be adjusted at the feed in point or if it would agree to changes in the values of the monitored operational limits operating parameters Uac Min and Uac Max f the grid frequency is within the tolerable range yet Vac Bfr or Vac Srr faults are still being displayed please contact the SMA Serviceline Installation Guide SB12 17 IA en 52 55 Failure Search SMA Solar Technology AG Message Description and corrective measure VpvMax Overvoltage at DC input The inverter may be damaged Vpv Max Corrective measures Immediately disconnect the inverter from the grid 1 Turn off the line circuit breaker 2 Remove the Electronic Solar Switch 3 Disconnect all the DC plug connectors 4 Check DC voltage Ifthe DC voltage exceeds the maximum input voltage check the plant design or contact the person who installed the PV generator Ifthe DC voltage is under the maximum input voltage reconnect the inverter to the PV generator as described in section 5 4 PV generator connection DC page 29 If the message occurs again disconnect the inverter again and contact the SMA Serviceline see section 13 Contact page 70 Watchdog Internal program run fault Watchdog Srr Correc
47. ribed in section 5 4 PV generator connection DC page 29 If the message occurs again disconnect the inverter again and contact the SMA Serviceline see section 13 Contact page 70 ACVtgRPro The 10 minute average grid voltage is no longer within the permissible range This can have the following causes The grid voltage at the connection point is too high The grid impedance at the connection point is too high The inverter disconnects to assure compliance with the voltage quality of the grid Corrective measures Check the grid voltage at the connection point of the inverter f due to the local grid conditions the grid voltage is 253 V or more ask the utility operator whether the voltage at the feed in point can be adjusted or whether it would agree to an alteration of the threshold value of the ACVtgRPro parameter to monitor the voltage quality If the grid voltage is continually within the acceptable range and this error is still displayed contact the SMA Serviceline Bfr Srr Internal measurement comparison fault or hardware defect Corrective measures Ifthis fault occurs often contact the SMA Serviceline Installation Guide SB12 17 lA en 52 53 Failure Search SMA Solar Technology AG Message Description and corrective measure EEPROM Transition disturbance while data is being written or read from E
48. rter Insert the DC plug connectors with sealing plugs into the corresponding DC inputs on the inverter 34 SB12 17 IA en 52 Installation Guide SMA Solar Technology Electrical Connection 7 Check the Electronic Solar Switch for wear as described in section 8 1 Checking the Electronic Solar Switch for Wear page 50 and reattach it firmly 2 Damage to the inverter due to moisture and dust intrusion If the Electronic Solar Switch is not plugged in or incorrectly plugged in during operation moisture and dust can penetrate the inverter If the Electronic Solar Switch is not correctly plugged in this can cause contacts to wear in the Electronic Solar Switch or the Electronic Solar Switch might fall down This can result in yield loss and damage to the Electronic Solar Switch Always plug in the Electronic Solar Switch as described in the following Do not tighten the screw in the Electronic Solar Switch Firmly plug in the Electronic Solar Switch until it is flush with the enclosure Ensure that the maximum distance between the Electronic Solar Switch and the enclosure is 1 mm MI The PV generator is now connected Installation Guide SB12 17 1A en 52 35 Electrical Connection SMA Solar Technology AG 5 5 Communication The inverter is equipped with a slot for communication interfaces in order to communicate with special data acquisit
49. sealing ring PG 13 5 fastening case PG13 5 cable gland PG16 M6x12 cylinder head screw and locking washer Jumper Installation guide User manual Set of documents with explanations and certificates Supplementary sheet with inverter factory settings 3 2 Identifying the Inverter You can identify the inverter by the type label The type label is on the right side of the enclosure The serial number Serial No and the type Type Model of the product as well as device specific characteristics are specified on the type label Installation Guide SB12 17 1A en 52 15 Mounting the Device SMA Solar Technology AG 4 Mounting the Device 4 1 Safety DANGER Danger to life due to fire or explosion Despite careful construction electrical devices can cause fires Do not mount the inverter on flammable construction materials Do not mount the inverter in areas where highly flammable materials are stored Do not mount the inverter in areas with a risk of explosion CAUTION Danger of burn injuries due to hot enclosure parts e Mount the inverter in such a way that the enclosure cannot be touched inadvertently CAUTION N Risk of injury due to the heavy weight of the inverter Take the inverter s weight of approx 25 kg into account for mounting 4 2 Selecting the Mounting Location Consider the following points when selecting where t
50. sing the enclosed M x12 screw 6 Check to ensure the inverter is firmly fastened MI The inverter is now mounted to the wall Installation Guide SB12 17 1A en 52 19 Electrical Connection SMA Solar Technology AG 5 Electrical Connection NOTICE E Electrostatic discharges can damage the inverter Internal components of the inverter can be irreparably damaged by static discharge e Ground yourself before touching a component 5 1 Overview of the Connection Area 5 1 1 Exterior View The following figure shows the assignment of the individual connection areas on the bottom of the inverter Object Description A DC connectors for connecting the PV strings Socket for connecting the Electronic Solar Switch ESS DC load disconnection unit Enclosure opening with sealing plugs for communication ojal Socket for AC Connection 20 SB12 17 IA en 52 Installation Guide SMA Solar Technology 5 1 2 Interior View Electrical Connection The following illustration shows the various components and connection areas of the open inverter A B
51. st by 40 Completion of the 40 Opening and 45 Safe mt oes erento oar nom uite pop Obs 45 Opening Thednvelter coe cese tee eto e redeo 45 Closing the 48 Maintenance and 50 Checking the Electronic Solar Switch for Wear 50 Failure iraniane E 52 LED DB o d resta ceo io Ceu o A Ios e dei en 52 Error Messages s oder dus aaa 53 SB12 17 IA en 52 Installation Guide SMA Solar Technology Table of Contents 9 3 9 3 1 9 3 2 10 10 1 10 2 10 3 10 4 11 11 1 11 2 12 13 Red LED is Glowing 56 Checking the PV Generator for a Ground 57 Checking the Functioning of the 59 61 Dismantling the 61 Packing the 1 62 Sioring the Inverter uss anelli ai 62 Disposing of the 62 Technical Data 63 Suriny Boy 1200 2 e voe tti Dec p dea e Aca 63 Sunny Boy 1700 66 Accessories RE RE rica
52. t breaker 8 Check whether the display and the LEDs indicate normal operating mode see section 6 Commissioning page 38 MI The inverter is now closed and in operation Installation Guide SB12 17 1A en 52 49 Maintenance and Cleaning SMA Solar Technology AG 8 Maintenance and Cleaning Check for proper inverter operation at regular intervals Impurities such as dust or pollen can cause heat accumulation that can lead to yield losses Also check the inverters and the cables for visible external damage Undertake repairs if necessary 8 1 Checking the Electronic Solar Switch for Wear Check the Electronic Solar Switch for wear before plugging it in Depending on the shape of the Electronic Solar Switch you can estimate the wear on either the metal tongues shape or on the plastic shape Result M The metal tongues in the Electronic Solar Switch are undamaged and not discolored A or MI The plastic in the Electronic Solar Switch is undamaged Action 1 Securely attach the Electronic Solar Switch handle 2 Commission the inverter as described in section 6 Commissioning page 38 50 SB12 17 IA en 52 Installation Guide SMA Solar Technology Maintenance and Cleaning Result M The metal tongues in the Electronic Solar Switch have a brown discoloration or are burned through A or MI plastic in the Electronic Solar Switch shows
53. ters as described in section 5 4 4 Connecting the PV Generator DC page 33 Installation Guide SB12 17 IA en 52 31 Electrical Connection SMA Solar Technology AG 5 4 3 Opening the DC Plug Connector 1 32 Screw the threaded joint off To release the plug connector slot a screw driver into the side catch mechanism and lever out Use a lt screwdriver with a width of 3 5 mm 3 yp T cm ge PEL Carefully pull the DC plug connector apart Declamp the clamping clip Use a screwdriver with a width of 3 5 mm Remove the cable 23 The cable is now removed from the DC plug connector SB12 17 IA en 52 Installation Guide SMA Solar Technology AG Electrical Connection 5 4 4 Connecting the PV Generator DC E WD WS Danger to life due to high voltages in the inverter Before connecting the PV generator ensure that the line circuit breaker is switched off o Excessive voltages can destroy the measuring device e Only use measuring devices with a DC input voltage range up to at least 1 000 V l Disconnect the line circuit breaker and secure against re connection 2 Pullthe Electronic Solar Switch downward slightly HF toward the wall 3 Checkthe connection cables of the PV modules for correct polarity and that the maximum input voltage of the inverter is not exceeded At an ambient temperature above 10 C the open circuit volt
54. tive measures fthis fault occurs often contact SMA Serviceline 9 3 Red LED is Glowing Continuously If the red LED of the status display is continuously on during operation there is either a ground fault in the PV generator or at least one of the varistors for the overvoltage protection is defective Procedure 1 Check for ground faults in the PV generator as described in section 9 3 1 Checking the PV Generator for a Ground Fault page 57 2 Ifthe red LED continues to glow check the varistors as described in section 9 3 2 Checking the Functioning of the Varistors page 59 56 SB12 17 lA en 52 Installation Guide SMA Solar Technology AG Failure Search 9 3 1 Checking the PV Generator for a Ground Fault 1 Disconnect the inverter from both the DC and AC connections as described in section 7 2 Opening the Inverter page 45 DANGER A Risk of lethal electric shock e Only touch the cables of the PV generator on their insulation Do not connect strings with ground faults to the inverter NOTICE o Excessive voltages can destroy the measuring device e Only use measuring devices with a DC input voltage range up to at least 1 000 V 2 Measure the voltages between the positive pole of the strings and the ground potential PE _ PE le Was 3 Measure the voltages between the minus pole of the strings and the ground potential PE 4 Measure the voltages b
55. unding conductor D Locking washer included in scope of delivery E Metal shackle on the underside of the enclosure F Wall bracket of the inverter Procedure 1 Fitthe washer terminal lug with grounding conductor and locking washer onto the cylinder head screw The toothing of the locking washer must face toward the metal shackle 2 Insert cylinder head screw into metal shackle on the underside of the enclosure and screw into the wall bracket Tighten the cylinder head screw using a torque of 6 Nm 3 Check that the contact between the grounding conductor and the enclosure is in accordance with the regulations valid for the country of installation Installation Guide SB12 17 1A en 52 27 Electrical Connection SMA Solar Technology AG 5 3 Setting the Display Language You can set the language of the display using the switches on the underside of the display assembly inside the inverter Procedure 1 Open the inverter as described in section 7 2 Opening the Inverter page 45 2 Setthe switches for the required language as shown below Language Switch S2 Switch S1 German B B a English B A I E 2 French A B us 7 ao Spanish A A For type SB 1200 IT 1700 IT inverters the following switch settings apply for firmware version 3 06 and higher Language Switch S2 Switch S1 German
56. y evenly tightening the 4 lid screws 3 Checkthe DC plug connector for correct polarity and connect it To release the plug connectors see section 7 2 Opening the Inverter page 45 4 Close all unnecessary DC inputs as described in section 5 4 4 Connecting the PV Generator DC page 33 to seal the inverter 5 Pull out the AC plug 48 SB12 17 IA en 52 Installation Guide SMA Solar Technology Opening and Closing 6 Check the Electronic Solar Switch for wear as described in section 8 1 Checking the Electronic Solar Switch for Wear page 50 and reattach it firmly 2 NOTICE 5 Damage to the inverter due to moisture and dust intrusion If the Electronic Solar Switch is not plugged in or incorrectly plugged in during operation moisture and dust can penetrate the inverter If the Electronic Solar Switch is not correctly plugged in this can cause contacts to wear in the Electronic Solar Switch or the Electronic Solar Switch might fall down This can result in yield loss and damage to the Electronic Solar Switch Always plug in the Electronic Solar Switch as described in the following Do not tighten the screw in the Electronic Solar Switch Firmly plug in the Electronic Solar Switch until it is flush with the enclosure Ensure that the maximum distance between the Electronic Solar Switch and the enclosure is 1 mm 7 Switch on the line circui
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