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WINDY BOY 3300 / 3800

1. You can check the functionality of the varistors in the following manner 1 Open the inverter as described in section 7 2 Opening the Inverter page 44 2 Use a multimeter to check all the varistors in the installed state to ascertain whether there is a conducting connection between connectors B and C There is a conducting connection There is probably a different fault in the inverter 1 Close the inverter as described in section 7 3 Closing the Inverter page 45 2 Contact the SMA Serviceline Installation Guide WB33_38 IEN 101830 59 Troubleshooting SMA Solar Technology AG Result Actin 727 There is no conducting connection The respective varistor is defective and must be 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 You must order replacement varistors directly from SMA Solar Technology AG see section 13 Contact page 70 e For the replacement of the varistors proceed to step 3 NOTICE Overvoltage due to faulty varistors Destruction of the inverter by
2. VI The small wind turbine system is connected You can now commission the inverter as described in section 6 Commissioning page 36 The following connection options are optional 32 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Electrical Connection 5 6 Communication The inverter is equipped with a slot for communication interfaces so that it can communicate using special data acquisition devices e g Sunny WebBox or a PC with appropriate software Refer to the communication interface manual for a detailed circuit diagram and a description of the mounting 5 7 Setting the Grid and Country Parameters il Changing Grid Relevant and Country Parameters 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 Confirm the changes to these parameters with your utility operator A detailed description of the operating parameters for the inverter is available in the download area at www SMA de en in the category Technical Description of the respective inverter 5 7 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 corresponding software e g Sunny
3. Observe the following before opening the inverter e Ensure the AC side is not live e Ensure the DC side is not live NOTICE 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 inside the inverter Installation Guide WB33_38 IEN101830 43 Opening and Closing SMA Solar Technology AG 7 2 Opening the Inverter Disconnect the line circuit breaker and secure against re connection 2 Stop the small wind turbine system and make sure that it will not restart Using a current probe ensure that there is no current to all DC cables VI If there is a current present check the installation A Unlock all DC connectors using a screwdriver Insert a screwdriver into one of the side slits 1 Lever the screwdriver upward 2 and pull out the plug connector 3 5 Ensure that there is no voltage at the DC plugs at the inverter M If there is a voltage present check the installation 6 Pull out the AC plug 7 Check whether all LEDs and the display have gone out 44 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Opening and Closing DANGER Danger to life due to high voltages in the inverter The capacitors in the inverter require 15 minutes to disch
4. To optimally adapt the polynomial characteristic curve of the inverter to the small wind turbine system being used you can change the following parameters on the PC with the Windy Boy Setup Tool www SMA de en Vpv Start e UdcWindStart e Wind_aO Wind_a3 e Pmax e P Wind Ramp e KP Wind Reg e Kl Wind Reg e T Stop A description of the operating parameters is available in the download area at www SMA de en in the category Technical Description of the respective inverter The inverter regulates its output power according to the generator voltage The following illustration shows the function of a typical polynomial characteristic curve of a WB 3300 WB 3800 Here the fed in AC power is shown according to the DC input voltage of the inverter AC output power Vpv Start UdcWindStart DC input voltage Installation Guide WB33_38 IEN 101830 35 Commissioning SMA Solar Technology AG 6 Commissioning il Self test in accordance with DK 5940 Ed 2 2 for initial commissioning applies to Italy only The Italian DK 5940 standard prescribes that an inverter can only operate on the public grid after the disconnection times for overvoltage undervoltage minimum frequency and maximum frequency have been checked Start the self test as described in the section 6 2 Self Test in accordance with DK 5940 Ed 2 2 Applies to Italy Only page 37 The test takes approx 8 minutes 6 1 Commissioning the Inverter
5. 100 2 000 m according to IEC 60529 Features Cooling concept OptiCool Internal Consumption Internal consumption in operation lt 7 W Internal consumption in standby 0 25 W Efficiency Windy Boy 3800 1000 2000 3000 3800 Pac W Peak efficiency N max 95 6 a77 68 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Accessories 12 Accessories You will find the corresponding accessories and replacement parts for your inverter in the following overview If required you can order these from SMA Solar Technology AG or your dealer Brief description SMA order number Windy Boy Protection Box Rectifiers and overvoltage protection for WBP Box 500 small wind turbine systems with Windy Boy Air grills Air grill set right and left as spare part 45 7202 Replacement varistors Set of thermally monitored varistors 2 SB TV 4 including installation tool Insertion tool for replacing Installation tool for varistors SB TVWZ the varistors RS485 upgrade kit RS485 communication interface A85PB NR Bluetooth Wireless Bluetooth communication interface BTPBINV NR Technology upgrade kit SUNCLIX PV connector Field plug for conductor cross sections of SUNCLIX FC6 SET 2 5 mm 6 mm Installation Guide WB33_38 IEN 101830 69 Contact SMA Solar Technology AG 13 Contact If you have technical problems concerning our products cont
6. Technical Data SMA Solar Technology AG AC Output a Harmonic distortion of grid current at Kiac lt 3 Kugrid lt 2 and Pac gt 0 5 Prom ine a id vohogeenge gan aa Operating range grid requency J mse Ovenohage cregy Jo mo ooo eoms OO S omonda Moximumcabledometer J m Maximum wire rossen emo Protective Device AC short circuit protection Current control ening detection Galvanically isolated Yes LF transformer All pole disconnection unit on the AC side Independent disconnection device SMA Grid Guard 2 All pole disconnection unit on the DC side DC plug system SUNCLIX DC reverse polarity protection Short circuit diode DC overvoltage protection Optional Windy Boy Protection Box Mechanical Data Width x height x depth 450 mm x 352 mm x 236 mm 64 WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Technical Data Climatic Conditions TO Gg OU C 0 100 2 000 m according to IEC 60529 Features Cooling concept OptiCool Internal Consumption Internal consumption in operation lt 7 W Internal consumption in standby 0 25 W Efficiency Windy Boy 3 1000 2000 3000 3300 Pac W Peak efficiency 95 2 Installation Guide WB33_38 IEN 101830 65 Technical Data SMA Solar Technology AG 11 2 Windy Boy 3800 DC Input Turbine control Polynomial characteristic curve Nominal power 4 040 W 1040 Recommende
7. l 4 36 Check the following requirements before commissioning Correct mounting and correct connection of the inverter Correct layout of the line circuit breaker Correct grounding of the small wind turbine system in accordance with the instructions of the manufacturer The rectifier and overvoltage protection e g Windy Boy Protection Box are installed between the small wind turbine system and the inverter Unnecessary DC inputs are closed with the corresponding DC connectors and sealing plugs Switch on the line circuit breaker Commission the small wind turbine system in accordance with the instructions of the manufacturer M If green LED glows commissioning has been successful or M If green LED flashes network connection conditions have not yet been reached Wait until the green LED lights up or VI The red or yellow LED is glowing or flashing there is an error Proceed to step 3 Object Description Green LED Operation Red LED Ground fault or varistor defective Yellow LED Disturbance Read section 9 Troubleshooting page 51 and if necessary eliminate the fault or disturbance WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Commissioning 6 2 Self Test in accordance with DK 5940 Ed 2 2 Applies to Italy Only 6 2 1 Starting the Self Test by Tapping You can start testing the disconnection times by tapping on the enclosure lid A pr
8. 1 Open the inverter as described in section 7 2 Opening the Inverter page 44 2 Set the switches for the required language as shown below Switch 52 Switch S1 Geman B pP Engieh je ja French ja booo For type WB 3300 IT 3800 IT inverters the following switch settings apply Switch S2 mon CHE SEE English 3 Close the inverter as described in section 7 3 Closing the Inverter page 45 M The display language has now been set Installation Guide WB33_38 IEN 101830 27 Electrical Connection SMA Solar Technology AG 5 5 Connecting the Small Wind Turbine System DC 5 5 1 Conditions for the DC Connection e The connection cables of the small wind turbine system must be equipped with plug connectors You will find the necessary PV connector for DC connection in the delivery e The following limit values at the DC input of the inverter may not be exceeded Maximum input voltage 500 V DANGER Risk of lethal electric shock or fire The maximum possible input current is limited by the plug connectors used If the plug connector is overloaded an electric arc may occur and there is a fire risk e Ensure that the input current does not exceed the maximum flow current of the plug connectors used NOTICE Destruction of the inverter by overvoltage If the voltage of the small wind turbine system exceeds
9. Cylinder head screw and contact disk M6 AC coupling socket socket unit protective cap for socket unit threaded sleeve sealing ring clamping nut e Je i connectors 3x postive 3x nega H p Sealing pugs for PV comesos SSS pnper or conmonieion fen wa ber Man CO IM i seot documents wih explanations and ceifcctos IN 1 0 Sopelementary sheet wih inverter factory stings 12 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Unpacking 3 2 Identifying the Inverter You can identify the inverter using the type label The type label is on the right side of the enclosure On the type label you will find the type Type Model and the serial number Serial No of the inverter Installation Guide WB33_38 IEN 101830 13 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 e Do not mount the inverter in areas with a risk of explosion CAUTION Danger of burn injuries due to hot enclosure parts e Do not touch the enclosure during operation CAUTION N Risk of injury due to the heavy weight of the inverter e Note that the inverter weighs approx 38 kg 14 WB33_38 IEN101830 Installation Guide SMA S
10. Data Control 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 Installation Guide WB33_38 IEN 101830 33 Electrical Connection SMA Solar Technology AG 5 7 2 Setting Off Grid Operation To operate the inverter in an off grid system with Sunny Island you must set the inverter via the Default parameter to off grid OFF Grid operation You have several possibilities to set the inverter to off grid operation e Setting via Sunny WebBox or e Setting via Sunny Data Control DANGER Danger to life due to high voltages in the event of outage of the public grid If you set the inverter to off grid operation it does not fulfill any country specific standards and regulations Therefore if there is an outage of the public grid there is a danger of back feed e Never operate the inverter directly on the public grid when set to off grid operation 34 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Electrical Connection 5 8 Polynomial Characteristic Curve The polynomial characteristic curve is a programmable power curve depending on the DC input voltage By adapting the default polynomial characteristic curve to the small wind turbine system being used you can optimize the energy output of the small wind turbine system
11. There are air grills on either side of the inverter The inverter sucks air in from underneath through the fan and blows it out again on the upper left side via the air grills For optimal heat dissipation of the inverter you only have to clean the left air grill Procedure 1 Remove the left air grill Insert your finger in the space between the air grill and the upper part of the enclosure and remove the air grill to the side 2 Clean the air grill with a soft brush a paint brush or pressurized air 3 Re attach the air grill to the inverter To help you identify the sides the air grills are marked with links left or rechts right on the inside M The air grills are cleaned NOTICE Risk of damage to the inverter through intrusion of insects e The air grills must not be removed permanently because otherwise the device is not protected against the entrance of insects 50 WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Troubleshooting 9 Troubleshooting 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
12. display of the inverter The voltage limit is increased successively until the disconnection threshold is reached 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 e Calibration value e Reaction time e Present grid voltage Installation Guide WB33_38 IEN 101830 39 Commissioning SMA Solar Technology AG Maximum Frequency In the third step the inverter tests the maximum frequency During the test sequence the frequency limit applied is shown in the display of the inverter The frequency limit is reduced successively until the disconnection threshold is reached 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 e Calibration value e Reaction time e Present grid frequency AO WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Commissioning Minimum Frequency In the last step the inverter tests the minimum frequency During the test sequence the frequency limit applied is shown in the display of the inverter The frequency limit is increased successively until the disconnection threshold is reached and the inverter disconnects from the grid Once the inverter has disconnected from the grid the display s
13. maintenance of the following SMA inverters Windy Boy 3300 WB 3300 Windy Boy 3800 WB 3800 Store this guide where it can be accessed at all times 1 1 Validity This guide applies to all device types WB 3300 and WB 3800 with firmware version 2 94 and later 1 2 Target Group This guide is for qualified personnel The tasks described in this guide 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 WB33_38 IEN 101830 7 Notes on this Guide SMA Solar Technology AG 1 4 Symbols Used The following types of safety precautions and general information are used in this guide 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 A IN i CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a situation that can result in property damage if not avoided Information Information provides tips that are valuable for the optimal installation and operation
14. of your product VI This symbol indicates the result of an action 8 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Safety 2 Safety 2 1 Appropriate Usage The Windy Boy is a wind power inverter which converts rectified current of a small wind turbine system into AC current and feeds this energy into the public grid domestic grid or the Sunny Island system Principle of a Small Wind Turbine System with Windy Boy Small Wind Windy Boy Protection Box Windy Boy Turbine System Public grid Load resistor Furthermore the Windy Boy can be used as an inverter for power conversion units based on permanent magnet generators hydro power systems combined heat and power plants diesel generators etc The manufacturer of the small wind turbine system or the generator must have his plant approved for operation with this Windy Boy see also the Windy Boy planning guidelines in the download area at www SMA de en When designing the system ensure that the permitted operating range of all components is maintained at all times Also use appropriate protective measures to ensure that the maximum permissible input voltage of the inverter is not exceeded SMA Solar Technology AG offers you the corresponding components such as the Windy Boy Protection Box overvoltage protection for wind power inverters including the rectifier Installation Guide WB33_38 IEN 101830 9 Safety SMA Solar Technology AG 2 2 Safety Precaution
15. potential Measure the resistance between L3 of the small wind turbine system and the earth potential Result Action The measured resistance is almost infinite There is probably a ground fault in the Fl There is no ground fault in the small Windy Boy Protection Box or in the supply lines wind turbine system to the inverter e Separate the Windy Boy Protection Box from the inverter and measure the resistance of all connections and the earth potential The measured resistance is very small Have the installer of the lt 10 Q small wind turbine system correct the VI There is a ground fault in the small wind ground fault before reconnecting the turbine system small wind turbine system to the inverter 58 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Troubleshooting 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 Position of Varistors The position of the varistors is to be determined with the help of the diagram below Observe the following allocation of the terminals e Terminal A outer terminal varistor connection with crimp e Terminal B middle terminal e Terminal C outer terminal varistor connection without crimp
16. the Small Wind Turbine System for a Ground Fault page 57 The inverter s firmware is faulty Shutdown Temporary inverter disturbance ET res OOOO O Trafo Temp F Temperatures in the transformer have exceeded the acceptable limit The inverter stops feeding the grid until the temperature reverts to within the admissible range e If this problem recurs check the heat dissipation of the inverter as described in section 8 1 Checking Heat Dissipation page 47 If the transformer reaches an unacceptably high temperature the inverter stops feeding in the grid until the transformer has reached an acceptable temperature and the system can begin feeding in the grid again The Trafo Temp W warning is displayed until the device is completely switched off e Check heat dissipation as described in section 8 1 Checking Heat Dissipation page 47 54 WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Vac Bfr Vac Srr Watchdog Watchdog Srr Installation Guide Troubleshooting Description Remedy The grid voltage is no longer within the permissible range Bfr or Srr is an internal message of no relevance for the user This disturbance can be caused by any of the following conditions e Grid disconnected line circuit breaker fuse e AC cable is broken or e AC cable is highly resistive For safety reasons the inverter disconnects itself from the grid e Check the grid current and grid con
17. the wall mounting bracket VI The inverter is dismantled Installation Guide WB33_38 IEN 101830 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 carton 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 C and 60 C 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 DISPOSAL see section 13 Contact page 70 62 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Technical Data 11 Technical Data 11 1 Windy Boy 3300 DC Input 3 500 W 3 320 W Recommended generator power at 2 500 full Ppc 2500 3 100 W load hours per year Recommended generator power at 5 000 full Ppc 5000 2 800 W load hours per year Vohage range r Uac 230V dS SSCS SOO Minimum adjustable open circuit voltage for grid Vpv Start 200 V synchronization Number of np BEE C e Installation Guide WB33_38 IEN101830 63
18. which may occur occasionally and can have several causes Once the inverter enters the Derating mode it will display the Derating warning until the next total shutdown of the device when the wind is insufficient e Check heat dissipation as described in section 8 1 Checking Heat Dissipation page 47 dZac Bfr Sudden changes in grid impedance exceed the permissible range dZacSir Bfr or Srr are internal messages of no relevance for the user For safety reasons the inverter disconnects itself from the grid Check the grid impedance and observe how often major deviations occur If repeated frequency variations occur and this is causing dZac Bfr or dZac Srr errors ask the utility operator if it would agree to modify the operating parameters dZac Max Discuss changing the operating parameter with the SMA Serviceline Transition disturbance while data is being written or read from EEPROM The data is not relevant for safe operation e The disturbance has no effect on the performance of the inverter EEPROM dBh EEPROM data is defective the inverter has switched itself off because the loss of data has disabled important functions of the inverter 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 The error message only serves to inform you and has no effect on the performance of the inverter Fac Bfr The gri
19. 0 Installation Guide SMA Solar Technology AG Mounting the Device 6 Secure the inverter in position by screwing the supplied M6 contact screw located on the underside of the enclosure Use the contact g washers provided with the toothing against the enclosure Tighten the screw with a torque of approx 5 Nm 7 Check to ensure that the inverter is firmly fastened The wall mounting bracket is designed so that the inverter tilts backward slightly on a perfectly vertical wall 8 Attach the air grills provided to the inverter To help you identify the sides links left or rechts right is printed on the inside of the air grids VI The inverter is now mounted Installation Guide WB33_38 IEN 101830 19 Electrical Connection SMA Solar Technology AG 5 Electrical Connection 5 1 Safety NOTICE Electrostatic discharges can damage the inverter Internal components of the inverter can be irreparably damaged by static discharge e Before you touch a component inside the inverter ground yourself by touching a grounded object 5 2 Overview of the Connection Area 5 2 1 Exterior View The following figure shows the assignment of the individual connection areas on the bottom of the inverter Ole Object Description Enclosure openings for communication w
20. DC voltage If the DC voltage is above the maximum input voltage check the plant design If the DC voltage is under the maximum input voltage reconnect the small wind turbine system to the inverter as described in section 5 5 4 Connecting the Small Wind Turbine System DC page 32 If the message occurs again disconnect the inverter again and contact the SMA Serviceline ACVtgRPro The 10 minute average grid voltage is no longer within the permissible range This can have the following causes e The grid voltage at the connection point is too high e The grid impedance at the connection point is too high The inverter disconnects to assure compliance with the voltage quality of the grid e Check the grid voltage at the connection point of the inverter If 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 limit value ACVtgRPro for voltage quality monitoring If the grid voltage is continually within the acceptable range and this error is still displayed contact the SMA Serviceline Internal measurement comparison fault or hardware defect e f this fault occurs often contact the SMA Serviceline 52 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Troubleshooting Description Remedy Derating The Derating operating mode is a normal operating mode
21. Installation Guide WB33_38 IEN 101830 21 Electrical Connection SMA Solar Technology AG 5 3 Connection to the Public Grid AC Connection requirements of the utility operator Always observe the connection requirements of the utility operator Cable Sizing The cable cross section should be dimensioned so output losses do not exceed 1 at nominal power Maximum cable lengths relative to the cable cross section are shown in the following table Cable cross section Maximum cable length WB 3300 WB 3800 Tan 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 ii ff ff Ht INN AI LUA Object __ Deseription Wale a Tesemal comer 22 WB33_38 IEN101830 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 design of a line circuit breaker can be found in the Technical Information Line Circuit Breaker in the SMA Solar Technology AG downl
22. Wind Power Inverter WINDY BOY 3300 3800 Installation Guide WB33_38 IEN101830 IME WB3800 Version 3 0 SMA Solar Technology AG 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 3 1 32 A 4 4 2 4 3 5 5 1 5 2 5 2 1 52 2 5 3 5 3 1 5 4 Notes on this Guide 0 cece eee eee eens 7 WGI MIN RER NEE ER EER ee tides USER 7 large Golan ass Samen 7 Additional Information 4 s cadaduw see ea dedihb4 bee hen owns 7 SV MOO bed sii2 45 atte Aa aca aroe e ens pees otal aes 8 Sately sn see urn a rn a Ome 9 Appropriate Usage 2u 4 8a en 24 boon 9 Safety Preedulions vandse sera 10 Explanation of Symbols 0 000 ce cece eee 10 Symbolson Ihe Invenire ereen ra ee eei 10 e E E T O T 11 UNPACKING tse san ee 12 Scope Or DEINE ir 22222us near ars 12 Identifying the Inverter 00 00 00 c cece eee ee 13 Mounting the Device cece cece e eee cees 14 OGICly irate estes Shah BGK EK x ae anew sae 14 Selecting the Mounting Location 0 0 0c aee 15 Mounting the Inverter with the Wall Mounting Bracket 17 Electrical Connection 0c cece cece eee eens 20 GIG isan een eine cee E Once AERES aha 20 Overview of the Connection Area 0 0000 e eee 20 EKEN V GW es ee oe pede eee he oti ee ae 20 Interior VIEW En insbe Bao a 21 Connection to the Public Grid AC 22 Connecting the Inverter to the Public G
23. act 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 Type of connected small wind turbine system Optional equipment e g communication devices e Blink code or display message of the inverter SMA Solar Technology AG Sonnenallee 1 34266 Niestetal 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 WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Legal Restrictions 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 Exclusion of liability The general terms and conditions of delivery of SMA Solar Technology AG shall apply The content of these documents is continually checked and amended where necessary However discrepancies cannot be excluded No guarantee is made for the completeness of these documents The latest version is available online at www SMA de or from the usual sales channels Guarantee or liability claims for damages of any kind are excluded if they are caused by one or more of the fol
24. arge e Wait 15 minutes before opening the inverter 8 Loosen the screws of the enclosure lid 9 Carefully remove the lid forward VI The inverter is now open and is not live 7 3 Closing the Inverter 1 Secure the lid with the 4 screws and the lock washers with the toothing facing toward the lid The screws must be tightened with approximately 6 Nm torque to ensure the sealing of the enclosure and the grounding of the lid DANGER Danger to life due to live lid The grounding of the lid is ensured by the toothed lock washers e Fasten the lock washers for all 6 screws with the toothing facing toward the lid 2 Check the PV connector for correct polarity and connect it To release the plug connectors see section 7 2 Opening the Inverter page 44 3 Close all unnecessary DC inputs as described in section 5 5 4 Connecting the Small Wind Turbine System DC page 32 to seal the inverter Installation Guide WB33_38 IEN101830 45 Opening and Closing 4 Connect the AC plug 5 Switch on the line circuit breaker 6 Check whether the inverter s display and LED display indicate normal operating mode see section 6 Commissioning page 36 VI The inverter is now closed and in operation 46 WB33_38 IEN101830 SMA Solar Technology AG Instal
25. d frequency is no longer within the permissible range Bfr or Srr Facs is an internal message of no relevance for the user For safety reasons the inverter disconnects itself from the grid FacFast e Ifthe grid frequency is within the tolerance range yet Fac Bfr Fac Srr or FacFast faults are being displayed often contact the SMA Serviceline Overcurrent on the AC side This indicator is displayed when the current at the AC grid is greater than specified e Check the system design and grid conditions Fault during relay test e Contact the SMA Serviceline if this problem occurs often or several times in succession Installation Guide WB33_38 IEN 101830 33 Troubleshooting SMA Solar Technology AG Description Remedy MSD Fac Internal measurement comparison fault or hardware defect MSD Vac e f this fault occurs often contact the SMA Serviceline MSD Timeout 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 e f this fault occurs often contact the SMA Serviceline The electrical insulation between the small wind turbine system and ground is faulty The resistance between the DC plus and or DC minus connection and ground is outside the defined limit range e Check the system insulation e Check the system for ground faults as described in section 9 3 1 Checking
26. d generator power at 2 500 full Poc 2500 3 600 W load hours per year Recommended generator power at 5 000 full Poe 5000 3 300 W load hours per year Minimum power for feed in operation Nominal operating voltage Maximum voltage at Uac 230 V Minimum voltage at Uac 230 V Voltage range at Uac 230 V Po 200 500V Minimum adjustable open circuit voltage for grid synchronization a Nominal input current Overall maximum input current Ta D S E EEE Maximum current per input 66 WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Technical Data AC Output Ld Harmonic distortion of grid current at Kiac lt 3 Kugrid lt 2 and Pac gt 0 5 Prom ine a id vohogeenge gan aa Operating range grid requency J mse Ovenohage cregy Jo mo ooo eoms OO S omonda Moximumcabledometer J m Maximum wire rossen emo Protective Device AC short circuit protection Current control ening detection Galvanically isolated Yes LF transformer All pole disconnection unit on the AC side Independent disconnection device SMA Grid Guard 2 All pole disconnection unit on the DC side DC plug system SUNCLIX DC reverse polarity protection Short circuit diode DC overvoltage protection Optional Windy Boy Protection Box Mechanical Data Width x height x depth 450 mm x 352 mm x 236 mm Installation Guide WB33_38 IEN 101830 67 Technical Data SMA Solar Technology AG Climatic conditions TO Gg OU C 0
27. erequisite 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 small wind turbine system with the inverter The inverter can only initialize if the small wind turbine system produces enough power It is therefore not possible to test the disconnection times at night 2 Connect the 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 on the display of the inverter 4 The question of whether you would like to start the test sequence appears in the display Tap on the display again within 30 seconds 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 2 2 Completion of the Self Test page 37 6 2 2 Completion of the Self Test Note the values which are displayed during the self test These values must be entered into a test protocol The test results of the i
28. faulty After checking the fan set the Fan Test parameter back to O You have finished checking the fan WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Maintenance and Cleaning Plugging the Jumper The inverter recognizes the jumper only after the system has been restarted i e all LEDs must have gone out before a restart 1 Open the inverter as described in section 7 2 Opening the Inverter page 44 2 Plug the provided jumper in the socket on the sequential control system board as shown below T N J Nnza NNN D N A a u AN omona BEEEEIOOO ELE 00000000000000 o000000 jooo0000 O g O s2 s1 A B A B Q Q Q Q Ba roo 22920 amp AB 3 Close the inverter as described in section 7 3 Closing the Inverter page 45 Restart the inverter 5 Check the air flow of the fan The inverter sucks air in from underneath and then blows it back out on the upper left side Listen for any unusual noise that could indicate incorrect installation or that the fan is faulty 6 Remove the jumper Open and close the inverter as described in section 7 Opening and Closing page 43 M You have finished checking the fan Installation Guide WB33_38 IEN 101830 49 Maintenance and Cleaning SMA Solar Technology AG 8 1 3 Cleaning the Air Grills
29. hts up The inverter then switches to characteristic curve operation and regulates the input current according to the generator voltage Characteristic Curve Operation After the startup procedure the inverter switches to characteristic curve operation and regulates the input current according to the generator voltage The inverter then begins to put a load on the small wind turbine system takes power from the small wind turbine system according to the present input voltage and then feeds it into the grid The maximum output corresponds to the maximum AC power of the inverter However it can be reduced using the Pmax parameter Shutdown If the wind strength is so low that the DC input voltage falls below an internally calculated value then the inverter stops feeding power into the mains grid for the period defined in T Stop When the DC input voltage increases again the inverter switches back to characteristic curve operation If the DC input voltage remains below an internally calculated value for the time set in T Stop the inverter will switch off If the DC input voltage is no longer sufficient to supply the on board electronics with power the inverter deactivates immediately 42 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Opening and Closing 7 Opening and Closing 7 1 Safety DANGER IN Electric shock due to high voltages in the inverter This can result in death or serious burns
30. ing the Small Wind Turbine System DC page 32 30 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Electrical Connection 5 5 3 Opening the PV connector 1 Screw the threaded joint off 2 To release the plug connector slot a screwdriver into the side catch mechanism and lever out cr 3 Carefully pull the PV connector apart SF zx YY 2 4 Loosen the clamping clip using a screwdriver m 5 Remove the cable VI The cable is now removed from the PV connector Installation Guide WB33_38 IEN101830 31 Electrical Connection SMA Solar Technology AG 5 5 4 Connecting the Small Wind Turbine System DC DANGER A Danger to life due to high voltages in the inverter e Before connecting the small wind turbine system ensure that the small wind turbine system is stopped 1 Check the DC plug connectors for correct polarity and connect them to the inverter To release the DC connectors see section 7 2 Opening the Inverter page 44 2 To create the seal on the inverter all DC inputs that are not required must be closed as follows Insert the sealing plugs provided into the DC plug connectors that are not needed Do not insert the sealing plugs into the DC inputs on the inverter Insert the PV connectors with sealing plugs into the corresponding DC inputs on the inverter
31. inside the inverter function correctly since a fault with the varistors can no longer be displayed 9 3 1 Checking the Small Wind Turbine System for a Ground Fault DANGER Danger to life due to high voltages in the inverter e Stop the small wind turbine system and ensure that it can not restart accidentally e Disconnect the line circuit breaker and secure against re connection 1 Wait until LEDs have gone out DANGER Danger to life due to high voltages in the inverter The capacitors in the inverter require 15 minutes to discharge e Wait 15 minutes before opening the inverter 2 Ensure there is no current at any DC cables using a clip on ammeter VI If there is a current present check the installation Installation Guide WB33_38 IEN101830 57 Troubleshooting SMA Solar Technology AG 3 Unlock all DC connectors using a screwdriver Insert a screwdriver into one of the side slits 1 Lever the screwdriver upward 2 and pull out the plug connector 3 4 Remove the AC connection socket from the inverter 5 Measure the resistance between the phases of the small wind turbine system and the earth potential Measure the resistance between L1 of the small wind turbine system and the earth potential Measure the resistance between L2 of the small wind turbine system and the earth
32. isconnection switch or a line circuit breaker as a load disconnecting unit Installation Guide WB33_38 IEN101830 23 Electrical Connection SMA Solar Technology AG 5 3 1 Connecting the Inverter to the Public Grid AC Overview of the AC connection socket Description Protective cap for socket element Socket element Threaded sleeve with sealing ring for cable diameters from 10 mm 14 mm Sealing ring for cable diameters of 6 mm 10 mm Clamping nut Procedure 1 Check that the grid voltage is within the permissible voltage range 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 inverter 2 Disconnect the line circuit breaker and secure against re connection If necessary exchange the sealing ring of the threaded sleeve with the sealing ring provided Pull the sealing ring out of the threaded sleeve Insert the smaller sealing ring 4 Thread the clamping nut E over the AC cable E 24 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Electrical Connection 5 12 13 Thread the threaded sleeve C with the sealing ring over the AC cable Bend the AC cable The bend radius must be at least four times the cable diameter Shorten the cable Shorten phase L and neutral conductor N A mm t
33. ith dummy plugs Bo PV connectors for connecting the DC cables AC socket for grid connection 20 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Electrical Connection 5 2 2 Interior View The following figure shows the various components and connection areas of the open inverter J E 6 e es dea E CD 000000000 ono gt QUJUUUUUUUUUU U D w Oll lo Description Socket and connection area for communication Object B Jumper slot for fan test Tab for grounding the cable shield with line conducted communication AC socket for grid connection PV connectors for connecting the small wind turbine system Enclosure opening with sealing plugs for communication Varistors
34. latches backward and the lower latch forward 6 Remove the fan by pulling it slowly and carefully downward Installation Guide WB33_38 IEN101830 47 Maintenance and Cleaning SMA Solar Technology AG 10 11 Unlock and unplug the fan plug inside the inverter The fan cables are long enough that you can lift the fan far enough out to disconnect the internal plug connector in the inverter Remove the fan Clean the fan with a soft brush a paint brush or a damp cloth NOTICE Damage to the fan through the use of pressurized air e Do not use pressurized air to clean the fan This can damage the fan After cleaning assemble everything in reverse order Check the functioning of the fan as described in the following section 8 1 2 Checking the Fan You can check that the fan is working in 2 ways Set the Fan Test parameter to 1 in the installer mode using Sunny Data Control or Sunny WebBox or Plug the provided jumper into the sequential control system board Setting Parameters l 48 Request the installer password from the SMA Serviceline contact see page 70 Set the Fan Test parameter to 1 in the installer mode Check the air flow of the fan The inverter sucks air in from underneath and then blows it back out on the upper left side Listen for any unusual noise that could indicate incorrect installation or that the fan is
35. lation Guide SMA Solar Technology AG Maintenance and Cleaning 8 Maintenance and Cleaning Check for correct inverter operation at regular intervals Impurities such as dust or airborne blossoms can cause heat concentration that can lead to yield losses Also check the inverter and the cables for visible external damage Undertake repairs if necessary 8 1 Checking Heat Dissipation You only need to check the heat dissipation of the inverter if during a visual inspection you notice a marked build up in the fan screen or the inverter is increasingly observed to be in derating mode Whether the inverter switches to derating mode depends on the ambient temperature and cooling efficiency 8 1 1 Cleaning the Fan If the fan screen is only covered in loose dust it can be cleaned with a vacuum cleaner If you do not achieve satisfactory results with a vacuum cleaner dismantle the fans for cleaning Proceed as follows 1 Disconnect the inverter from both the DC and AC connections as described in section 7 2 Opening the Inverter page 44 2 Wait for the fan to stop rotating Cleaning the Fan Screen 3 Remove the fan screen Press both latches on the right of the fan screen to the right using a screwdriver and loosen from the bracket Carefully remove the fan screen 4 Clean the fan screen with a soft brush a paint brush a cloth or pressurized air Cleaning the Fan 5 Push the two upper
36. learances between the individual inverters In addition make sure there is enough ventilation to ensure sufficient cooling of the inverters 16 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Mounting the Device 4 3 Mounting the Inverter with the Wall Mounting Bracket CAUTION N Risk of injury due to the heavy weight of the inverter e Note that the inverter weighs approx 38 kg 1 Use the wall mounting bracket as a drilling template and mark the positions of the drill holes 217 mm 217 mm 92 mm i 125 mm es 125 mm ts 92 mm 103 8 mm Mounting material When mounting the bracket use fastening material suitable for the mounting surface 2 Fill in holes that are not required in the wall mounting bracket using the sealing plugs Insert the sealing plugs into the wall mounting bracket from the outside the side that will later be placed against the wall Installation Guide WB33_38 IEN 101830 17 Mounting the Device SMA Solar Technology AG 3 Attach the wall mounting bracket to the wall using appropriate screws and washers 4 Mount the inverter with the upper fastening plates on the wall mounting bracket so that both plates on the upper edge of the bracket pass through the cutouts on the inverter 5 Visual inspection The inverter is only correctly mounted when both rear panel mounting plates slightly protrude through the cutouts 18 WB33_38 IEN10183
37. lfunction Tap to switch on the display light and switch to the next message 10 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Safety 2 3 2 Symbols on the Type Label Beware of dangerous electrical voltage The inverter operates at high voltages All work on the inverter may be carried out by qualified personnel only Beware of hot 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 household waste For more information on disposal see section 10 4 Disposing of the Inverter page 62 CE mark The inverter complies with the requirements of the applicable EC guidelines RAL quality mark for solar products The inverter complies with the requirements of the German Institute for Quality Assurance and Labeling The inverter has a transformer The inverter is protected against penetration by dust particles and water jets from any angle Installation Guide WB33_38 IEN 101830 11 Unpacking SMA Solar Technology AG 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 Fr Object vanity Description OOOO 8 a bracket SSS Air grills 1x left 1x right B fe 4 Sealing plugs for wall mounting bracket S
38. lowing e Damages during transportation e Improper or inappropriate use of the product e Operating the product in an unintended environment e Operating the product whilst ignoring relevant statutory safety regulations in the deployment location e Ignoring safety warnings and instructions contained in all documents relevant to the product e Operating the product under incorrect safety or protection conditions e Altering the product or supplied software without authority e The product malfunctions due to operating attached or neighboring devices beyond statutory limit values e In case of unforeseen calamity or force majeure The use of supplied software produced by SMA Solar Technology AG is subject to the following conditions e SMA Solar Technology AG rejects any liability for direct or indirect damages arising from the use of software developed by SMA Solar Technology AG This also applies to the provision or non provision of support activities e Supplied software not developed by SMA Solar Technology AG is subject to the respective licensing and liability agreements of the manufacturer SMA Factory Warranty The current guarantee conditions come enclosed with your device These are also available online at www SMA de and can be downloaded or are available on paper from the usual sales channels if required Trademarks All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product o
39. ndividual tests are displayed 3 times one after the other The respective display message is displayed for 10 seconds The self test changes the upper and lower disconnection 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 disconnection threshold the inverter disconnects itself from the grid In this way the inverter determines the reaction time and checks itself Installation Guide WB33_38 IEN 101830 37 Commissioning SMA Solar Technology AG Overvoltage Test The inverter begins with the overvoltage test During the test sequence the voltage limit applied is shown in the display of the inverter ar man 262 GO The voltage limit is reduced successively until the disconnection threshold is reached 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 e Calibration value e Reaction time e Present grid voltage 38 WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Commissioning Undervoltage Test After the overvoltage test the inverter performs the undervoltage test During the test sequence the current calibration value of the voltage limit applied is shown in Linge mir io GAL the
40. nection on the inverter e If the 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 Vac Min and Vac Max If the grid voltage is within the tolerable range yet Vac Bfr or Vac Srr faults are still being displayed please contact the SMA Serviceline Overvoltage at DC input The inverter may be damaged Disconnect the small wind turbine system from the inverter immediately 1 Turn off the line circuit breaker Stop the small wind turbine system 2 3 Disconnect all the DC connectors 4 Check DC voltage If the DC voltage is above the maximum input voltage check the system design If the DC voltage is under the maximum input voltage reconnect the small wind turbine system to the inverter as described in section 5 5 4 Connecting the Small Wind Turbine System DC page 32 If the message occurs again disconnect the inverter again and contact the SMA Serviceline Internal disturbance during program operation e f this fault occurs often contact the SMA Serviceline WB33_38 IEN101830 55 Troubleshooting SMA Solar Technology AG Description Remedy Zac Bfr The grid impedance has left the permissible range The suffixes Bfr und Zac Srr Srr are not relevant For safety reasons the in
41. o 5 mm Insert the PE protective conductor green yellow into the screw terminal with the earth sign on the socket element and tighten the screw The PE protective conductor must be longer than the connection wires of N and L Insert the neutral conductor N blue in the screw terminal N on the socket element and tighten the screw Insert phase L brown or black into the screw terminal L on the socket element and tighten the screw Make sure the wires are securely connected Push the threaded sleeve C onto the socket element B until it audibly snaps into place Installation Guide WB33_38 IEN 101830 25 Electrical Connection SMA Solar Technology AG 14 Screw the clamping nut E tightly onto the threaded sleeve C The clamping nut serves to seal and relieve strain VMI The AC connection socket has been screwed together 15 Close the socket element with the provided protective cap if it is not immediately connected to the inverter 16 Insert the AC connection socket into the AC socket on the inverter Remove the protective cap beforehand as required VI The AC cable is now connected to the inverter 26 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Electrical Connection 5 4 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
42. oad 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 the same line circuit breaker e Comply with the maximum permissible fuse protection of the inverter when selecting the line circuit breaker DANGER 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 inverter and the line circuit breaker without protection e Never connect the consumer between the gt T i e Always protect the consumer separately NOTICE 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 load disconnection unit and thus 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 d
43. olar Technology AG Mounting the Device 4 2 Selecting the Mounting Location Observe the following conditions during mounting The installation method and mounting location must be suitable for the inverter s weight and dimensions Mount on a solid surface The 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 u Mount vertically or tilted backward by max 45 Never mount the device with a forward tilt Do not mount in a horizontal position The connection area must point downward Install at eye level to allow operating state to be read at all times The ambient temperature should be below 40 C to ensure optimal operation Do not expose the inverter to direct sunlight to avoid a power reduction due to excessive heating In living areas do not mount the unit on plasterboard walls or similar to avoid audible vibrations The inverter can make noises when in use which may be perceived as a nuisance in a living area Installation Guide WB33_38 IEN 101830 15 Mounting the Device SMA Solar Technology AG e Observe the minimum clearances to walls other inverters or objects as shown in the diagram in order to guarantee sufficient heat dissipation Multiple inverters installed in areas with high ambient temperatures If necessary increase the c
44. overvoltage Procure replacement varistors as soon as possible and replace the defective ones immediately For systems with a high risk of overvoltage do not operate inverters using faulty varistors or no varistors at all 3 Insert an insertion tool into the openings of the terminal contacts 1 M This releases the terminals If you did not receive an extractor tool together with the replacement varistors for the servicing of the terminals 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 3 6 Close the inverter as described in section 7 3 Closing the Inverter page 45 MM The check and replacement of the varistors is completed 60 WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Decommissioning 10 Decommissioning 10 1 Dismantling the Inverter 1 Open the enclosure lid as described in section 7 2 Opening the Inverter page 44 2 Remove all cables from the inverter Close the inverter with the 4 screws and the corresponding lock washers 4 Remove the air grills on both sides 5 Remove the screw between the product and the wall mounting bracket 6 Remove the inverter upwards from
45. r 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 license 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 2010 SMA Solar Technology AG All rights reserved Installation Guide WB33_38 IEN 101830 71 SMA Solar Technology AG
46. rid AC 2 2 24 Setting the Display Language 0 0 e cee eee eee 27 Installation Guide WB33_38 IEN 101830 3 Table of Contents SMA Solar Technology AG 5 5 5 5 1 5 5 2 5 5 3 5 5 4 5 6 5 5 7 1 5 7 2 5 8 6 6 2 6 2 1 6 2 2 6 3 7 2 7 3 8 1 8 1 1 8 1 2 8 1 3 9 1 9 2 Connecting the Small Wind Turbine System DC 28 Conditions for the DC Connection 2oucc0034 tun iatetoud tate hed 28 Assembling the PV connector 0 0 0ccecvec eevee een 29 Opening the PV connector 2 0 31 Comed kohe sma Wane TU eine N DC ERERERENETERRERRRER 32 COMMUNICCIONG sesers sareen seceded too toa ee 33 Setting the Grid and Country Parameters 5 33 Setting the Installation Country lt 5 iysiG98s Fie el 33 Setting Off Grid Operdhon sc v0 06 0iSecatia seen 34 Polynomial Characteristic Curve 0 0 0 cc eee eee 35 COMMISSIONING 5 620 nase a 36 Commissioning the Inverter is cucnnoodwas sera aa a 36 Self Test in accordance with DK 5940 Ed 2 2 Applies to Italy Only 210 4 12 acmedoatewimoak as ade cd Ae 37 Starting the Self Test by Tapping 00 cee eee eee eee 37 Completion of the Sell Teste aeecnnneeaahaeerenea wea een 37 Operating Conditions of the Inverter 2222222 42 Opening and Closing ceceececeececeeee 43 S16 NEUEN NEER ORTE ee ree ER ERN 43 Opening the Inverter n n nannaa nanana 44 Closing the Inver
47. s DANGER Electric shock due to high voltages in the inverter when connecting the device Death or serious injury All work on the inverter may be carried out by qualified personnel only The appliance is not to be used by children or persons with reduced physical sensoryor 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 Work on the inverter must only be carried out as described in this guide All safety instructions listed must be observed CAUTION Risk of burns through contact with the hot enclosure during operation Burns to the palm of the hand e Do not touch the inverter s enclosure during operation il Problems while performing the described activities If you have problems while performing any of the activities described in this guide contact SMA Solar Technology AG see section 13 Contact page 70 2 3 Explanation of Symbols This section contains an explanation of all symbols found on the inverter and type label 2 3 1 Symbols on the Inverter Operation display Indicates the operation condition of the inverter Ground fault or varistor defective There is either a ground fault in the system or at least one of the varistors inside the inverter is defective An error has occurred Read the installation guide and the user manual to remedy the ma
48. ter nonna enter 45 Maintenance and Cleaning sssesesesosses 47 Checking Heat Dissipation o on annaa 00 cece ee eee 47 Cleaning he kansasi eenia eon A a ade aa ee hehe 47 CW N EEE eden tendered ose 48 Gane Eee ROEREEFEREREERHENENEREHERLVEHENERFRRER 50 Troubleshooting ccc cece cee cece cece nenn 51 Blink COdGS an 28304i 8 66 Erstaunen 51 Error Messages una centre its 52 WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Table of Contents 9 3 Red LED is Glowing Continuously 00 000 57 9 3 1 Checking the Small Wind Turbine System for a Ground Fault 57 9 3 2 Checking the Functioning of the Varistors 0 00 ccc eee eee ee 59 10 Decommissioning sssssssssssesosssosooeooo 61 10 1 Dismantling tne lnverler 2 nee 61 10 2 Packing the Inverter occncuaeiiww te dts ensure 62 103 Storing the Inverter zus sus sure 62 10 4 Disposing or the InvVeneroucdateccucuncccadd ioce85e ho 62 11 Technical D ldi 2 2 ea 63 Wiel Windy Boy 3300 sus 6 dod banaue ren aan 63 Wied Windy Boy 3000 sc ccassssexveneeeenwasencs cad eee 66 12 Accessories ik pe voici ae ae es 69 13 CONGCH ars ee 70 Installation Guide WB33_38 IEN 101830 5 Table of Contents SMA Solar Technology AG 6 WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Notes on this Guide 1 Notes on this Guide This installation guide describes the assembly installation commissioning and
49. the inverter will be ready for dispatch within 24 hours and sent to a forwarding agency and repair service 9 1 Blink Codes Green Red Yellow IStatus 27775 Glows continuously Is not glowing Is not glowing OK feeding operation Glows continuously Is not glowing Ground fault or varistor defective Glows continuously OK initialization Flashes quickly Is not glowing Is not glowing OK stop 3 x per second Glows continuously Is not glowing Ground fault or varistor defective Flashes slowly Is not glowing Is not glowing OK waiting grid 1 x per second monitoring Briefly goes out Is not glowing Is not glowing OK derating approx 1 x per second Glows maaan Is not glowing Ground fault or varistor defective Is not glowing Is not ome Is not glowing OK nighttime deactivation Glows continuously Is not glowing Ground fault or varistor defective Glowing flashing Ground fault or varistor defective and disturbance Installation Guide WB33_38 IEN 101830 5 Troubleshooting SMA Solar Technology AG 9 2 Error Messages When en error occurs the inverter generates a message which depends on the operating mode and the type of the detected error Description Remedy IPV Overvoltage DC overvoltagel IDISCONNECT DC Disconnect the small wind turbine system from the inverter immediately Turn off the line circuit breaker Stop the small wind turbine system iif 2 3 Disconnect the PV connectors A Check
50. the maximum input voltage of the inverter it can be destroyed by the overvoltage All warranty claims become void e Install overvoltage protection e g Windy Boy Protection Box between the small wind turbine system and the inverter 28 WB33_38 IEN101830 Installation Guide SMA Solar Technology AG Electrical Connection 5 5 2 Assembling the PV connector The connection cables of the small wind turbine system must be equipped with the PV connectors provided for connecting the inverter To assemble the PV connectors proceed as detailed below Ensure the plug connectors have the correct polarity The PV connectors have the symbols and SES Cable Requirements 2 5 6 mm 5 8 mm e Use a PV1 F cable 12 mm Procedure 1 Insert stripped cable into the plug as far as it will go 2 Press the clamping clip down until it audibly snaps into place 3 Ensure the cable is correctly in place VI Ifthe conductors are visible in the hollow Proceed to step 4 cavity of the clamping clip the cable is in the correct position Installation Guide WB33_38 IEN101830 29 Electrical Connection SMA Solar Technology AG Action VI Ifthe conductors are not visible in the Loosen the clamping clip using a hollow cavity the cable is not in the correct screwdriver position 4 VI The PV connectors are now assembled and can be connected to the inverters as described in section 5 5 4 Connect
51. uccessively shows the following values one after the other e Disconnection value e Calibration value e Reaction time e Present grid frequency When the inverter has carried out the 4 tests it switches to Turbine mode 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 must disconnect the inverter i e disconnect it on the AC and DC sides and then later re activate it You can then restart the self test as described in the section 6 2 1 Starting the Self Test by Tapping page 37 The inverter begins the test sequence again as described in section 6 2 2 Completion of the Self Test page 37 Installation Guide WB33_38 IEN 101830 Al Commissioning SMA Solar Technology AG 6 3 Operating Conditions of the Inverter Startup Procedure If the inverter has enough voltage and power the startup process is displayed by means of simultaneous lighting of the three LEDs on the inverter As soon as the DC input voltage reaches the value defined in the parameter Vpv Start the inverter starts a number of self tests and measurement processes and synchronizes with the grid This operating mode is indicated by the green LED flashing on the inverter When the tests are successfully completed and the DC input voltage is above Vpv Start for the time configured in T Start the inverter connects to the grid and the green LED lig
52. verter disconnects itself from the grid The impedance is calculated from both the grid impedance and the impedance of the AC cable of the inverter Check the grid impedance and grid connection on the inverter Use an AC cable with an adequate cross sectional area low impedance as described in section 5 3 1 Connecting the Inverter to the Public Grid AC page 24 If required check and re tighten the screws on the AC terminals Check the grid impedance and the AC connection on the inverter Use a cable with an adequate cross sectional area low impedance observing the advice on this matter in section 5 3 Connection to the Public Grid AC page 22 If this fault recurs please contact the SMA Serviceline 56 WB33_38 IEN 101830 Installation Guide SMA Solar Technology AG Troubleshooting 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 system or at least one of the varistors for the overvoltage protection is defective In intentionally grounded systems the red LED has been lit up since the commissioning of the inverter However this has no impact on the functioning of the inverter Before you check the small wind turbine system for a ground fault make sure an intentional connection to the ground has been carried out With intentionally grounded small wind turbine systems check occasionally that the varistors

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