SUNNY BOY 3300/3800 - Installation Manual
Contents
1. 69 Electronic Solar Switch 70 LOVE Ia ARAS 70 Distribution SVSIBNIS uas sess YJ tue u uuu 70 ACCeSSOLNGS AAA eA eee 71 oo ricos aro bdo Rr diria didas 72 SB33 38 1 1 IA en 62 5 Toble of Contents SMA Solar Technology AG SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Information on this Manual 1 Information on this Manual 1 1 Validity This manual describes the assembly installation commissioning and maintenance of the following SMA inverters e Sunny Boy 3300 SB 3300 11 from firmware version 3 02 3 02 e Sunny Boy 3800 SB 3800 11 from firmware version 3 05 3 05 Keep this manual in a convenient place for future reference 1 2 Target Group This manual is intended for electrically qualified persons The tasks described in this manual may performed by electrically qualified persons only 1 3 Additional Information You will find further information on special topics such as designing miniature circuit breaker or the description of the operating parameters in the download area at www SMA de en Refer to the user manual provided for detailed information on operating the inverter Installation Manual SB33 38 11 lA en 62 7 Information on this Manual SMA Solar Technology AG 1 4 Symbols Used The following types of safety precautions and general information appear in this document 1 DANGER2. 7 3 Closing the Inverter page 43 M The display language is set Installation Manual SB33 38 1 14 62 29 Electrical Connection SMA Solar Technology AG 5 5 Connecting the PV Array DC 5 5 1 Conditions for the DC Connection il Use of Y adapters for parallel connection of strings Y adapters may not be visible within close proximity of the inverter or freely accessible The DC electric circuit must not be interrupted by adapters Observe the procedure for disconnecting the inverter as described in section 7 2 Opening the Inverter page 41 Requirements for the PV modules of the connected strings Same type Same quantity Identical alignment Identical tilt The connecting cables of the PV modules must be equipped with connectors The DC connectors for the DC connection are included in the delivery e Ifthe inverter is not equipped with an Electronic Solar Switch and the regulations valid at the installation site require an external DC switch disconnector install an external DC switch disconnector e following limiting values at the DC input of the inverter must not be exceeded Maximum input voltage Maximum input current 500 V DC 20 DC DANGER Risk of lethal electric shock or fire The maximum possible input current per string 15 limited by the connectors used If the connectors are overloaded an electric arc may occur and there is a risk of fire e Ensure tha
3. 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 N N i CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE indicates a situation which if not avoided can result in property damage Information Information provides tips that are valuable for the optimum operation of your product M symbol indicates the result of an action 8 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Sofety 2 Safety 2 1 Intended Use The Sunny Boy is a PV inverter which converts the DC current of the PV array to AC current and feeds it into the power distribution grid Principle of a PV plant with this Sunny Boy Sunny Boy Distribution Public grid PV Modules The Sunny Boy may only be operated with PV arrays PV modules and cabling of protection class Il Do not connect any sources of energy other than PV modules to the Sunny Boy When designing the PV plant 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 You must also ensure that
4. e Terminal A outer terminal varistor connection with loop crimp Terminal B middle terminal Terminal C outer terminal varistor connection without loop crimp 58 SB33 38 1 1 62 Installation Manual SMA Solar Technology AG Troubleshooting You can check the functionality of the voristors in the following manner 1 Open the inverter as described in section 7 2 Opening the Inverter page 41 2 Use a multimeter to ensure that all of the varistors in y installed state have a conducting connection between the connectors B and C Close the inverter as described in section 7 3 Closing the Inverter page 43 Contact the SMA Service Line see section 13 Contact page 72 There is no conducting The respective varistor is defective and must be replaced Varistor failure is generally due to influences that affect all varistors similarly temperature age induced overvoltage SMA Solar Technology AG recommends replacing all varistors The varistors are specially manufactured for use in inverters and are not commercially available You must order replacement varistors directly from SMA Solar Technology AG see section 12 Accessories page 71 e replace the varistors proceed to step NOTI
5. Corrective measures Check the insulation of the PV plant Check the plant for ground faults as described in section 9 3 1 Checking the PV Array for Ground Faults page 56 The inverter s firmware is faulty Corrective measures If this fault occurs frequently contact the SMA Service Line Installation Manual SB33 38 1 14 62 53 Troubleshooting Trafo Temp F Vac Bfr Vac Srr SMA Solar Technology AG Description and corrective measure Temporary inverter disturbance inverter Temporary inverter disturbance Corrective measures Contact the Contactthe SMA Service line Service Line Temperatures in the Temperatures in the transformer have exceeded the acceptable limit acceptable limit The inverter stops its feed in operation until the temperature lies within the permissible range Corrective measures If this disturbance occurs frequently check the heat dissipation of the inverter as described in section 8 2 Checking the Heat Dissipation page 45 Temperatures in the transformer have exceeded the acceptable limit The inverter stops its feed in operation until the temperature lies within the permissible range The Trafo Temp W disturbance is displayed until final shutdown at the end of the day Corrective measures Check the heat dissipation of the inverter as described in section 8 2 Checking the Heat Dissipation page 45 The line voltage is no longe
6. see section 13 Contact page 72 Installation Manual SB33 38 1 14 62 63 Technical Data SMA Solar Technology AG 11 Technical Data 11 1 DC AC 11 1 1 Sunny Boy 3300 DC Input Minimum input voltage The maximum open circuit voltage that can occur at 10 C cell temperature may not exceed the maximum input voltage Number of independent MPP inputs 64 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Technical Data AC Output ere ey Maximum apparent AC power AC nominal voltage AC voltage range Nominal AC current at 220 V Nominal AC current at 230 Nominal AC current at 240 Maximum output current Rated power frequency Operating range at AC power frequency 50 Hz Operating range at AC power frequency 60 Hz Displacement power factor adjustable 0 8 overexcited 0 8 underexcited Total harmonic factor of the output current with lt 3 total harmonic factor of the AC voltage lt 2 and AC power gt 50 rated power Feed in phases Overvoltage category according to IEC 60664 1 Efficiency Maximum efficiency Nmax 95 276 European weighted efficiency Ney 94 476 Installation Manual SB33 38 1 1 IA en 62 65 Technical Data SMA Solar Technology AG 11 1 2 Sunny Boy 3800 DC Input Minimum input voltage Start input voltage 250 V Number of independent MPP inputs 2 Strings per MPP input The maximum open circuit voltage that can occur at 10 cell t
7. PV Inverter SUNNY BOY 3300 3800 Installation Manual SB33 38 11 IA en 62 IMEN SB33 38 11 Version 6 2 Cen SMA Solar Technology AG Toble of Contents Table of Contents 1 1 1 2 1 3 1 4 2 2 2 2 2 3 2 3 2 3 2 3 3 1 3 2 4 4 1 4 2 4 3 5 5 1 5 2 5 2 1 5 2 2 9 9 Sus 2 32 Information on this Monual 7 Vall iva rete 7 Target OU anaso Additional Information 7 o A atteinte pui ditt bebes eos 8 Salely osx 9 lied CPP ET 9 Safety Precoutions 10 Explanation of Symbols 12 Symbols om he vender iria ridad ld 12 belle E T 13 UNPACKING ica aora 14 Scope or Delve i cia oi dd bate d bees 14 Identifying the Inverter 15 MOUNTING ERE CE 16 Sae aaa o 16 Selecting the Mounting Locotion 16 Mounting the Inverter with the Wall Mounting Bracket 18 Electrical Connection 21 21 Overview of the Connection Area 21 EXICHOR VIEW occur Le Lio u 21 Ile rior a e SSS ae 22 Connection to the Power Distribution Grid 23 Conditions for the AC Connection 23
8. The inverter complies with the requirements of the German Institute for Quality Assurance and Certification Installation Manual SB33 38 1 1 IA en 62 13 Unpacking SMA Solar Technology AG 3 Unpacking 3 1 Scope of Delivery Check the delivery for completeness and for visible external damage such as cracks in the enclosure or in the display Contact your specialty retailer if anything is damaged or missing A Object Quantity Description h led dscomecion ni Escoria Solar Saik ESSI r 5 ena nt ME paqya _ G Jumper me _ NN AC coupling socket socket unit protective cap for socket unit threaded sleeve sealing ring pressure screw pgs Kk eui DC comeci sis melesnmwd s y y M j Jem o oo o o E e i optional For inverters without ESS 2 x positive 2 x negative 14 SB33 38 1 1 IA en 62 Installation Manual 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 hand side of the enclosure The serial number Serial No and the type Type Model of the inverter as well as device specific characteristics are specified on the type label Installation Manual SB33 38 11 lA en 62 15 Mounting SMA Solar Technology AG 4 Mounting 4 1 Safety DANGER Danger to life due to fire or explos
9. 3 Closing the Inverter 1 Attach the enclosure lid using the 4 screws and the conical spring washers with the toothing facing toward the enclosure lid Tighten the screws to a torque of approx 6 in order to ensure the sealing of the enclosure and the grounding of the enclosure lid DANGER Danger to life due to the enclosure lid carrying voltage The grounding of the enclosure lid is ensured by the conical spring washers Attach the conical spring washers for all screws with the toothing facing toward the enclosure lid 2 Check the DC connectors for correct polarity and connect them To unlock the DC connectors see section 7 2 Opening the Inverter page 41 3 Close all the DC inputs that are not needed as described in section 5 5 4 Connecting the PV Array DC page 34 to seal the inverter Installation Manual SB33 38 1 I IA en 62 43 Opening and Closing SMA Solar Technology AG 4 Connect the AC plug 5 If an external DC switch disconnector is present disconnect the external DC switch disconnector If an Electronic Solar Switch is present check the Electronic Solar Switch for wear as described in section 8 3 Checking the Electronic Solar Switch for Wear page 49 and reattach firmly V NOTICE Damage to the inverter due to moisture and dust intrusion If
10. 60529 Protection class according to IEC 62103 11 2 1 Protective Devices DC reversepolarity protection Shortcireuitdiode Input side disconnection device Electronic Solar Switch DC plug in system SUNCLIX DC overvoltage protection Thermally monitored varistors AC short circuit current capability Current control e Hei Ground fault monitorin Insulation monitoring gt 1 9 ISO Short circuit diode optional 68 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Technical Data 11 2 2 Country Standards L S lt lt lt lt S lt lt lt lt A puo EN 504387 Ro 661 2007 v Y emn J lt _ EN 50438 Does not apply to all national standard deviations lt lt amp lt lt lt lt lt lt amp lt lt lt lt 11 2 3 Climatic Conditions According to IEC 60721 3 4 Installation Type C Class Extended temperature range AA Ue Extended humidity range 0 100 Extended air pressure range 79 5 kPa 106 kPa According to IEC 60721 3 4 Transport Type E Class 2K3 11 2 4 Features SUNCIIX DC connector Display LC text display 85485 golvonicolly isolated Installation Manual SB33 38 1 1 IA en 62 69 Technical Data SMA Solar Technology AG 11 2 5 Electronic Solar Switch optional Electr
11. Check the heat dissipation as described in section 8 2 Checking the Heat Dissipation page 45 dZac Bfr Sudden changes in grid impedance exceed the permissible range dZacSrr Bfr or Srr are internal messages of no relevance for the user The inverter disconnects itself from the power distribution grid for safety reasons Corrective measures Check the grid impedance and observe how often major deviations occur f repeated frequency variations occur and this is causing dZac Bfr or dZac Srr disturbances ask the grid operator to agree to a modification of the operating parameters dZac Max Discuss any changes to the operating parameter with the SMA Service Line Transition fault while data is being written or read from EEPROM The data is not relevant for safe operation This fault has no effect on the performance of the inverter ps of data has disabled important functions of the inverter Contact the SMA Service Line EeRestore One of the duplicate records in the EEPROM is defective and has been reconstructed without loss of data e This error message only serves to inform you and has no effect on the performance of the inverter Fac Bfr The power frequency is no longer within the permissible range Fac Sr Bfr or Srr is an internal message of no relevance for the user The inverter disconnects itself from the power distribution grid for safety acFas reasons Corrective measures I
12. and negative poles The installer of the PV array must remedy the ground fault in the affected string You can determine the location of the ground fault as described below Do not reconnect the faulty string Commission the inverter as described in section 6 1 Commissioning the Inverter page 39 V You have found no ground fault It is likely that one of the thermally monitored varistors is defective Check the varistors as described in section 9 3 2 Checking the Function of the Varistors page 58 Installation Manual SB33 38 1 14 62 57 Troubleshooting SMA Solar Technology AG Location of the ground fault The approximate position of the ground fault can be determined from the ratio of the measured voltages between the positive pole against ground potential PE and the negative pole against ground potential PE Example 100 Y 100 Y 100 Y 100 Y 100 Y In this case the ground fault is between the second and third PV modules V The ground fault check is finished 9 3 2 Checking the Function of the Varistors Varistors are wear parts Their functional efficiency diminishes with age or repeated strain as a result of overvoltage It is therefore possible that one of the thermally monitored varistors has lost its protective function Position of varistors You can determine the position of the varistors using the illustration below Observe the following assignment of the terminals
13. 1 Conditions for the AC Connection Connection requirements of the grid operator Always observe the connection requirements of your grid operator Cable Design Use Sunny Design version 2 0 or higher for the dimensioning of the conductor cross sectional areas see Sunny Design design program at www SMA de en Cable Requirements I B H MU Posion eignen Length of insulation to be stripped off Installation Manual SB33 38 1 14 62 23 Electrical Connection SMA Solar Technology AG Load Disconnection Unit You must install a separate miniature circuit breaker for each inverter in order to ensure that the inverter can be securely disconnected under load The maximum permissible fuse protection can be found in section 11 Technical Data page 64 Detailed information and examples for the rating of a miniature circuit breaker can be found in the Technical Information Miniature CircuitBreaker in the SMA Solar Technology AG download area at www SMA de en DANGER Danger to life due to fire When more than 1 inverter is connected in parallel to the same miniature circuit breaker the protective function of the miniature circuit breaker is no longer guaranteed It can result in a cable fire or destruction of the inverter Never connect several inverters to a single miniature circuit breaker Observe the maximum permissible fuse protection of the inverter when selecting the miniature cir
14. 8 2 Checking the Heat Dissipation You only need to check the heat dissipation of the inverter if during an optical inspection you notice a marked build up in the fan guard or the inverter is increasingly observed to be in Derating operating state Whether the inverter switches to Derating operating state depends on the ambient temperature and cooling efficiency 8 2 1 Cleaning the Fans If the fan guard 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 41 2 Wait for the fan to stop rotating Cleaning the Fan Guards 3 Remove the fan guard Press both latches on the right edge of the fan guard to the right using a screwdriver and loosen from the retainer Carefully remove the fan guard 4 Clean the fan guard with a soft brush a paint brush cloth or compressed air Installation Manual SB33 38 1 14 62 45 Maintenance Cleoning SMA Solar Technology AG Cleaning the Fans 5 Push the two upper latches backward and the lower latch forward 6 Remove the fan by pulling it slowly and carefully downward Z Unlock and unplug the fan plug inside the inverter The fan cables ar
15. C electric circuit is closed In order to interrupt the DC electric circuit and disconnect the inverter safely under load first pull out the Electronic Solar Switch and then remove all DC connectors as described in section 7 2 Opening the Inverter page 41 QR Code for SMA bonus program You will find information on the SMA bonus program at www SMA Bonus com This function is valid from firmware version 4 00 optional QR Code is a registered trademark of DENSO WAVE INCORPORATED 12 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Sofety 2 3 2 Symbols on the Type Lobel Beware of hazardous voltage The inverter operates at high voltages All work on the inverter may only be carried out by an electrically qualified person 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 together with the household waste For more information on disposal see section 10 4 Disposing of the Inverter page 63 CE marking The inverter complies with the requirements of the applicable EC guidelines The inverter has a transformer Direct current Alternating current Degree of protection IP65 The inverter is protected against dust intrusion and water jets from any angle RAL quality mark for solar products
16. CE Destruction of the inverter due to overvoltage If varistors are missing the inverter is no longer protected against overvoltages Provide for replacement varistors immediately and replace the defective varistors Do not operate inverters with faulty varistors or no varistors at all in plants with a high risk of overvoltage Installation Manual SB33 38 11 lA en 62 59 Troubleshooting 60 Insert insertion tool into the openings of the terminal contacts 1 V The terminals will loosen If you do not receive an insertion tool for operating the terminals with your replacement varistors contact SMA Solar Technology AG As an alternative the individual terminal contacts can be operated using a screwdriver with a blade width of 3 5 mm Remove the varistor 2 Insert the new varistor 3 The pole with the small loop crimp must be fitted to terminal A when replacing the varistor Close the inverter as described in section 7 3 Closing the Inverter page 43 The check and replacement of the varistors is completed SB33 38 1 1 62 SMA Solar Technology AG Installation Manual SMA Solar Technology AG Decommissioning 10 Decommissioning 10 1 Disassembling the Inverter DANGER Danger to life due to high voltages in the inverter Disconnect the miniature circuit breaker and secure against re connection 1 If an external DC switch disconnector
17. Connecting the Inverter to the Power Distribution Grid 25 Installation Manual SB33 38 11 lA en 62 3 Toble of Contents SMA Solar Technology AG I3 5 4 5 5 5 5 1 5 5 2 5 5 3 5 5 4 5 6 5 7 5 7 1 5 7 2 2 7 7 2 1 3 8 1 8 2 8 2 1 8 2 2 8 2 3 8 3 9 9 2 riscos 28 Setting the Display 29 Connecting the PV Array 30 Conditions for the DC Connection 30 Assembling the DC 31 Opening the DC 33 Connecting the PV Array DC 34 COMMUNICCHONs 13 2 oben ato d a ota 37 Setting the Grid and Country Parameters 38 Setting the Installation 38 Setting Stand alone Grid Operotion 38 COMMISSIONIN e O aes 39 Commissioning the Inverfer 39 Display Messages During the Startup Phase 40 Opening and Closing 41 A pus aaa 4 Opening Ine Week u idilio de 41 Closing EP E 43 Maintenance and Cleaning 45 Cleaning the 45 Checking the Heat Dissipation 45 Cleaning Me Pans
18. PBINV NR SUNCLIX DC connector field plug for conductor cross sections of SUNCLIX FC6 SET 2 5 mm mm Installation Manual SB33 38 1 1 IA en 62 7 Contact SMA Solar Technology AG 13 Contact If you have technical problems concerning our products contact the SMA Service Line We require the following information in order to provide you with the necessary assistance Inverter type Inverter serial number Type and number of PV modules connected Blink code or display message of the inverter Optional equipment e g communication products SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany www SMA de SMA Service Line Inverters 49 561 9522 1499 Communication 49 561 9522 2499 Fax 49 561 9522 4699 E Mail ServiceLine SMA de 72 SB33 38 11 1A en 62 Installation Manual SMA Solar Technology AG Legol Provisions Legal Provisions The information contained in this document is the property of SMA Solar Technology AG Publishing its content either partially 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 channels if
19. ackward slightly on a perfectly vertical wall Installation Manual SB33 38 1 14 62 19 8 Attach the ventilation grids These are labelled with links lett or rechts right 20 SB33 38 1 1 lA en 62 SMA Solar Technology AG Installation Manual SMA Solar Technology AG Electrical Connection 5 Electrical Connection 5 1 Safety NOTICE Electrostatic discharges can damage the inverter Internal component parts of the inverter can be irreparably damaged by static electric 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 H eee Description Enclosure openings for communication with filler plugs DC connectors for connecting the PV strings ack for connecting the DC switch disconnector Electronic Solar Switch ESS AC socket for grid connection If you have ordered the inverter without ESS the inverter is fitted with 2 negative and 2 positive DC connectors optional Installation Manual SB33 38 11 lA en 62 21 Electrical Connection SMA Solar Technology AG 5 2 2 Interior View The following figure shows the various components and connection area
20. 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 those described here Alternative uses modifications to the Sunny Boy or the installation of component parts not expressly recommended or sold by SMA Solar Technology AG shall void any warranty claims and the operation permission Installation Manual SB33 38 1 14 62 9 Safety SMA Solar Technology AG 2 2 Safety Precautions DANGER Danger to life due to high voltages in the inverter All work on the inverter may only be carried out by an electrically qualified person Physically or mentally challenged persons may only perform activities on the inverter following proper instruction and under supervision Children must not play with the inverter Children must not have access to an inverter in operation WARNING IN Risk of electric shock when pulling out the DC connectors under load If you disconnect the DC connectors from the inverter under load an electric arc may occur leading to electric shock and burns Ifthe inverter is not equipped with an Electronic Solar Switch and the regulations valid at the installation site require an external DC switch disconnector install an external DC switch disconnector Switch off the DC connector the AC miniature circuit breaker and d
21. an now be connected to the inverter as described in section 5 5 Connecting the PV Array page 30 32 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Electrical Connection 5 5 3 Opening the DC Connector 1 Unscrew the screw connection 2 Unlock the DC connector To do this insert a screwdriver into the side catch mechanism and lever out blade width 3 5 mm 35262 3 Carefully pull the DC connector apart 33 ZS NS L 4 Loosen the clamping bracket To do so insert a screwdriver into the clamping bracket and lever the clamping bracket out blade width 3 5 5 Remove the cable V The cable is removed from the DC connector Installation Manual SB33 38 1 14 62 33 Electrical Connection SMA Solar Technology AG 5 5 4 Connecting the PV Array DANGER Danger to life due to high voltage at the inverter Before connecting the PV array switch off the miniature circuitbreaker and make sure that it cannot be reconnected NOTICE Excessive voltages can destroy the measuring device Only use measuring devices with a DC input voltage range up to at least 1 000 V 1 Disconnect the miniature circuit breaker and secure against re connection 2 If an Electronic Solar Switch is installed pull it downwards slightly towards the wall 3 Check the connection cables of the PV modules for correct polarity and make sure that the maximum in
22. ce Line see section 13 Contact page 72 ACVtgRPro The 10 minute average line voltage is no longer within the permissible range This can be caused by the following line voltage at the terminal is too high The grid impedance at the terminal is too high The inverter disconnects to assure compliance with the power quality of the power distribution grid Corrective measures Check the line voltage at the terminal of the inverter f due to the local grid conditions the line voltage is 253 V or more ask the grid operator whether the voltage at the feed in point can be adjusted or whether they would agree to an alteration of the limiting value of parameter ACVtgRPro for power quality monitoring If the line voltage is continuously within the tolerance range and this error message is still displayed contact the SMA Service Line Internal measurement comparison fault or hardware defect Corrective measures Ifthis fault occurs frequently contact the SMA Service Line Installation Manual SB33 38 11 lA en 62 51 Troubleshooting SMA Solar Technology AG Message Description and corrective measure Derating The Derating operating state is a normal operating state which may occur occasionally and can have several causes Once the inverter enters the Derating operating state it will display the Derating warning until the next total shutdown of the device at the end of the day Corrective measures
23. cond monitoring goes out biely isnot glowing approx 1 x second 5 glowing continuously is not glowing Ground fault or varistor defective is not glowing is not glowing is not glowing OK overnight shutdown or Electronic Solar Switch is not plugged or external DC switch disconnector is not connected glowing ashing is glowing continuously is not glowing Ground fault or varistor defective is glowing flashing ground fault or voristor defective and fault 50 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Troubleshooting 9 2 Error Messages When an error occurs the inverter generates a message which depends on the operating mode and the type of the fault detected IPV Overvoltage Overvoltage at DC input Corrective measures Disconnect the inverter from the power distribution grid immediately Disconnect the miniature circuit breaker If installed disconnect the external DC switch disconnector If an Electronic Solar Switch is installed remove it Remove all DC connectors Check the DC voltage Ifthe DC voltage is above the maximum input voltage check the plant design or contact the PV array installer If the DC voltage is below the maximum input voltage reconnect the inverter to the PV array as described in section 5 4 Setting the Display Language page 29 If the message occurs again disconnect the inverter again and contact the SMA Servi
24. cuitbreaker DANGER Danger to life due to fire When a generator inverter and a load are connected to the same miniature circuit breaker the protective function of the miniature circuit breaker is no longer guaranteed The currents from the inverter and the power distribution grid can accumulate to overcurrent which is not detected by the miniature circuit breaker inverter and the miniature circuit breaker without fuse protection e Never connect loads between the C Always protect loads separately NOTICE Damage to the inverter by using screw type fuses as a load disconnection unit A screw type fuse e g DIAZED fuse or NEOZED fuse is not a switch disconnector and thus may not be used as a load disconnection unit A screw type fuse only acts as cable protection When disconnecting under load using a screw type fuse the inverter can be damaged Use only a switch disconnector or a miniature circuit breaker as a load disconnection unit 24 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Electrical Connection 5 3 2 Connecting the Inverter to the Power Distribution Grid Overview of the AC Connection Socket Description Protective cap for socket element Jack element Threaded sleeve with sealing ring for cable diameters of 10 mm to 14 mm Sealing ring for cable diameters of 6 mm to 10 mm Pressure screw Proced
25. e long enough that you can lift the fan far enough out to disconnect the internal plugs in the inverter 8 Remove the fan Clean the fan with a soft brush a paint brush or a damp cloth NOTICE Damage to the fan through use of compressed air e Do not use compressed air to clean the fan This can damage the fan 10 After cleaning reassemble everything in reverse order 11 Check the functioning of the fan as described in the following section 8 2 2 Checking the Fans There are two ways to check whether the fan is working Setthe Fan Test parameter to 1 in the installer mode with a communication product or Plug the provided jumper into the system control board Setting Parameters 1 Request the installer password from the SMA Service Line contact see page 72 Set the Fan Test parameter to 1 in the installer mode Check air flow of the fan The inverter draws air in from underneath and then blows it out at the top left Listen for any unusual noise that could indicate incorrect installation or that the fan is defective 4 After checking the fan set the Fan Test parameter back to MM The fan test is completed 46 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Maintenance ond Cleoning 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 invert
26. e space between the ventilation grid and the upper part of the enclosure and remove the ventilation grid to the side 2 Clean the ventilation grid with a soft brush a paint brush or compressed air 3 Re attach the ventilation grid to the inverter To help you identify the sides the ventilation grids are marked with links left or rechts right on the inside The ventilation grids are cleaned NOTICE Risk of damage to the inverter through intrusion of insects e The ventilation grids must not be removed permanently because otherwise the device is not protected against the entrance of insects 48 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Maintenance ond Cleoning 8 3 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 The metal tongues in the Insert the handle of the Electronic Solar Switch are undamaged Electronic Solar Switch securely in the jack and not discolored A on the bottom of the enclosure Commission the inverter as described in The plastic in the Electronic Solar Switch is section 6 Commissioning page 39 undamaged The metal tongues in the The Electronic Solar Switch can no longer safely Electronic Solar Switch ha
27. e varistors for overvoltage protection is defective Procedure 1 Check for ground faults in the PV array as described in section 9 3 1 Checking the PV Array for Ground Faults page 56 2 Ifthe red LED continues to glow check the varistors as described in section 9 3 2 Checking the Function of the Varistors page 58 9 3 1 Checking the PV Array for Ground Faults 1 Disconnect the inverter from both the DC and AC sides as described in section 7 2 Opening the Inverter page 41 DANGER Risk of lethal electric shock Only touch the cables of the PV array on their insulation Do not connect strings with ground faults to the inverter NOTICE Excessive voltages can destroy the measuring device 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 each string and the ground potential PE 3 Measure the voltages between the negative pole of each string and the ground potential PE 56 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Troubleshooting 4 the voltages between the positive and negative poles of each string V A ground fault exists if the measured voltages are stable and the sum of the voltages from the positive pole to the ground potential and from the negative pole to the ground potential of a string is approximately equal to the voltage between the positive
28. emperature may not exceed the maximum input voltage 66 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Technical Data AC Output Rated power at 230 V 50 Hz Maximum apparent AC power AC nominal voltage AC voltage range Nominal AC current at 220 V Nominal AC current at 230 V Nominal AC current at 240 V Maximum output current Total harmonic factor of the output current with lt 3 total harmonic factor of the AC voltage lt 2 and AC power gt 5096 rated power Rated power frequency Operating range at AC power frequency 50 Hz Operating range at AC power frequency 60 Hz Displacement power factor adjustable 0 8 overexcited 0 8 underexcited Feed in phases Overvoltage category according to IEC 60664 1 Efficiency Maximum efficiency Nmax 95 676 European weighted efficiency Ney 94 7 Installation Manual SB33 38 11 lA en 62 67 Technical Data SMA Solar Technology AG 11 2 General Data Width x height x depth 450 mm x 350 mm x 236 mm Width x height x depth with 450 mm x 352 mm x 236 mm Electronic Solar Switch Length x width x height of packaging 580 mm x 470 mm x 390 mm Transport weight 43 7 kg Climatic category according to IEC 6072 1 2 1 Operating temperature range 25 C 447500 C non condensing Power loss in night operation Fan connection designed for safe disconnection in accordance with DIN EN 50178 1998 04 Electronics degree of protection according to IP 5 IEC
29. er as described in section 7 2 Opening the Inverter page 41 2 Plug the provided jumper in the slot on the system control board as shown below TN c gt gt 0 02020202 YN y Illo BLE 0000000000000 O 52 51 B A 000000 000000 SIC JQ O eC 3 Close the inverter as described in section 7 3 Closing the Inverter page 43 Restart the inverter 5 Check the air flow of the fan The inverter draws air in from underneath and then blows it out at the top left Listen for any unusual noise that could indicate incorrect installation or that the fan 15 defective 6 Remove the jumper Open and close the inverter as described in section 7 Opening and Closing page 41 The fan test is completed Installation Manual SB33 38 1 1 IA en 62 47 Maintenance Cleoning SMA Solar Technology AG 8 2 3 Cleaning the Ventilation Grids There are ventilation grids on each side of the inverter The inverter takes cooling air in from underneath via the fan and blows it out again through the ventilation grids on the upper left side For optimal heat dissipation of the inverter you only have to clean the left ventilation grid Procedure l Remove the left ventilation grid Insert your finger in th
30. f the power frequency is within the tolerable range and the faults Fac Bfr Fac Srr or FacFast are often displayed contact the SMA Service Line 52 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Troubleshooting Message Description and corrective measure Imax overcurrent Overcurrent on the AC side This message is displayed if the current in the AC grid is higher than specified Corrective measures Check the plant design and grid conditions K1 Close Error during relay test K1 Open Corrective measures If this fault frequently occurs or occurs several times consecutively contact the SMA Service Line aw Corrective measures Ifthis fault occurs frequently contact the SMA Service Line K s Corrective measures e If this fault occurs frequently contact the SMA Service Line La Corrective measures Ifthis fault occurs frequently contact the SMA Service Line DOE Corrective measures If this fault occurs frequently contact the SMA Service Line OFFSET The Offset operating state is a normal operating state that occurs prior to grid monitoring IF Offset is displayed as an error there is a fault in the data logging Corrective measures If this fault occurs frequently contact the SMA Service line The electrical insulation between the PV plant and ground is defective The resistance between the DC plus and or DC minus connection and ground is outside the defined limit range
31. h Firmly plug in the Electronic Solar Switch until it is flush with the enclosure e Ensure that the maximum distance between the Electronic Solar Switch and the enclosure is 1 mm The PV array is connected 36 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Electrical Connection 5 6 Communication The inverter is equipped with a slot for communication interfaces in order to communicate with special data loggers e g Sunny WebBox or a PC with corresponding software e g Sunny Data Control or Sunny Explorer Refer to the respective communication interface manual for a detailed wiring diagram and an installation description for the interface The inverter s active power can be limited or the displacement power factor cos p can set externally using the Power Reducer Box from SMA Solar Technology AG You will find detailed information on active power limitation and on setting the displacement power factor cos in the Technical Description Operating Parameters at www SMA de en Installation Manual SB33 38 1 1 IA en 62 37 Electrical Connection SMA Solar Technology AG 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 available in the download area at www SMA de en in the Certificate category of t
32. h DC connectors and sealing plugs Sealing plugs Do not plug the sealing plugs directly into the DC inputs on the inverter For unused DC connectors push down the clamping bracket and push it onto the cable gland Plug the sealing plug into the DC connector Installation Manual SB33 38 11 lA en 62 35 Electrical Connection SMA Solar Technology AG Tighten the DC connector torque 2 Insert the DC connectors with sealing plugs into the corresponding DC inputs on the inverter V The DC connectors click audibly into position Ensure that all DC connectors are securely in place 8 Ifan Electronic Solar Switch is installed check it for wear as described in section 8 3 Checking the Electronic Solar Switch for Wear page 49 and L reattach it firmly NOTICE 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 Switc
33. he respective inverter Ensure that you discuss the changes to these parameters with your grid 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 product e g Sunny WebBox or a PC with corresponding 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 on the type label and on the included supplementary sheet with the default settings 5 7 2 Setting Stand alone Grid Operation To operate the inverter in an off grid system with Sunny Island you must set the inverter via the Default parameter to stand alone grid operation OFF Grid You have several possibilities to set the inverter to stand alone grid operation Setting via Sunny WebBox or 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 guidelines If there is a power distrib
34. ical endurance in the event of a short at least 50 switching processes circuit with a nominal current of 30 A Maximum switching voltage 800 V Maximum PV power 10 kw Degree of protection when plugged IP65 Degree of protection when unplugged IP21 11 2 6 Torque Cheese head screws for securing the enclosure 6 0 Nm to the wall brocket SUNCLIX SUNCLIX swivel nut nut 2 ANA 11 2 7 Distribution Systems INC system INS system TNCS system Splitphose 70 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Accessories 12 Accessories You will find the corresponding accessories and spare parts for your product in the following overview If required you can order these from SMA Solar Technology AG or your specialty retailer Brief Description SMA order number Ventilation grid Ventilation grid set right and left as spare part 45 7202 Electronic Solar Switch ESS handle spare part ESS HANDLE 02 Also enter the inverter s serial number Replacement varistors Set of thermally monitored varistors 2 pcs SB TV4 d Insertion tool for the insertion tool for varistors SB TVWZ replacement of varistors Positive grounding set retrofit kit for the positive connection to ground of ESHV P NR the DC input Negative grounding set retrofit kit for the negative connection to ground ESHV N NR of the DC input RS485 retrofit kit RS485 interface 485PB NR Bluetooth upgrade kit Bluetooth interface BT
35. ight 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 62 SB33 38 1 1 62 Installation Manual SMA Solar Technology AG Decommissioning 9 Remove the safety screw Lift the inverter off the wall mounting bracket V The inverter is disassembled 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 carton must be completely closeable 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 electrical endurance in accordance with the disposal regulations for waste electrical and electronic equipment which apply at the installation site at that time Alternatively send it back to SMA Solar Technology AG with shipping paid by sender and with the information ZUR ENTSORGUNG for disposal
36. ion Despite careful construction electrical devices can cause fires e Do not mount the inverter on flammable construction materials e Do not mount the inverter in areas where highly flammable materials are stored e Do not mount the inverter in a potentially explosive atmosphere CAUTION Risk of burns due to hot enclosure parts Mount the inverter in such a way that it cannot be touched inadvertently during operation CAUTION Risk of injury due to the heavy weight of the inverter Take the inverter s weight of approx 38 kg into account for mounting 4 2 Selecting the Mounting Location Consider the following requirements when selecting the mounting location The mounting method and location must be suitable for the inverter s weight and dimensions see section 11 Technical Data page 64 Mount on solid surface The mounting location must at all times be clear and safely accessible without the use of additional aids such as scaffolding or lifting platforms Non ulfillment of these criteria may restrict servicing 16 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Mounting Mount vertically tilted backwards at a maximum angle of 45 e The connection area must point downward Never mount the device with a forward tilt Never mount the device with a sideways Do not mount horizontally Install at eye level in order to allow operation
37. is available disconnect it 2 Electronic Solar Switch is installed pull it downwards slightly towards the wall 3 Release and remove all DC connectors see section 7 2 Opening the Inverter 41 4 Remove the AC plug from the inverter 5 Close the AC plug with the protective cap Close all DC inputs with the corresponding DC connectors and sealing plugs Installation Manual SB33 38 1 I IA en 62 Decommissioning SMA Solar Technology AG CAUTION Risk of burns due to hot enclosure parts The inverter s enclosure can become hot during operation e Wait until the enclosure has cooled down 7 Ifa communication cable is available Open the inverter as described in section 7 2 Opening the Inverter page 41 Remove the communication cable from the inverter Close the inverter as described in section 7 3 Closing the Inverter page 43 8 If present plug in the Electronic Solar Switch L V 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 m
38. isconnect the inverter on the DC side before pulling out the DC connectors CAUTION N Risk of burns due to hot enclosure parts e Do not touch the inverter s enclosure during operation NOTICE Dust and water intrusion can damage the inverter If the inverter is equipped with an Electronic Solar Switch it will only provide IP21 degree of protection once the Electronic Solar Switch has been pulled out The inverter is therefore no longer protected against water and dust intrusion In order to maintain the degree of protection IP65 also during temporary decommissioning proceed as follows Unlock and disconnect all DC connectors Open all DC connectors and remove the cables Close all DC inputs with the corresponding DC connectors and the supplied sealing plugs Firmly connect the Electronic Solar Switch again 10 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Sofety NOTICE 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 follo
39. mounting the wall mounting bracket use fastening material suitable for the mounting surface Fill in holes that are not required in the wall mounting bracket using the filler plugs 2 Plug the filler plugs into the wall mounting bracket from the side that will later be facing the wall Installation Manual 18 SB33 38 1 1 62 SMA Solar Technology AG 3 Attach the wall mounting bracket to the wall using appropriate screws and washers 4 Hong the inverter in the wall mounting bracket In doing so lead the anchorage brackets through the cut outs on in the inverter V Both brackets of the wall mounting bracket extrude out of the cut outs on the inverter Mounting 5 second protective conductor is required ground the inverter and secure against being pulled out 5 3 3 Connecting Additional Grounding page 28 6 Ifa second protective conductor is not required secure the inverter against being pulled out Plug the cheese head screw with conical spring washer through the metal shackle on the underside of the enclosure The teeth of the conical spring washer must be facing the metal shackle Tighten the cheese head screw to a torque of 6 Nm Kanan n m nan n Z Check to ensure that the inverter is securely in place The wall mounting bracket is designed in such way that the inverter tilts b
40. oltage is above the maximum input voltage check the plant design or contact the PV array installer If the DC voltage is below the maximum input voltage reconnect the inverter to the PV array as described in section 5 4 Setting the Display Language page 29 If the message occurs again disconnect the inverter again and contact the SMA Service Line see section 13 Contact page 72 Internal program run fault Corrective measures Ifthis fault occurs frequently contact the SMA Service Line The grid impedance is no longer within the permissible range Bfr or Srr is an internal message of no relevance for the user The inverter disconnects itself from the power distribution grid for safety reasons The impedance is calculated from both the grid impedance and the impedance of the grid connection cable AC cable of the inverter Corrective measures Check the grid impedance and grid connection on the inverter Use an AC cable with an adequate cross section low impedance as described in section 5 3 Connection to the Power Distribution Grid AC page 23 If required check and re tighten the screws on the AC plugs If this fault recurs contact the SMA Service Line SB33 38 1 1 IA en 62 55 Troubleshooting SMA Solar Technology AG 9 3 Red LED is Glowing Continuously If the red status display LED is permanently glowing during operation there is ground fault in the PV array or at least one of th
41. put voltage of the inverter is not exceeded With an ambient temperature over 10 C the open circuit voltage of the PV modules should not exceed 90 of the maximum input voltage of the inverter Otherwise check the plant design and the PV module connection If this is not done the maximum inverter input voltage can be exceeded at low ambient temperatures NOTICE 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 This will void all warranty claims Do not connect strings with an open circuit voltage greater than the maximum input voltage of the inverter Check the plant design 34 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Electrical Connection 4 Check the strings for ground faults as described in section 9 3 1 Checking the PV Array for Ground Faults page 56 NOTICE Excessive currents can damage the inverter e The maximum current DC connector may not exceed 16 A 5 Connect the assembled DC connectors to the inverter V The DC connectors click audibly into position To release the DC connectors see section 7 2 Opening the Inverter page 41 m S D lt 6 n order to seal the inverter all the DC inputs that are not required have to be closed wit
42. r within the permissible range Bfr or Srr is an internal message of no relevance for the user This fault can be caused by any of the following conditions Power distribution grid disconnected miniature circuit breaker fuse AC cable is interrupted or AC cable is highly resistive The inverter disconnects itself from the power distribution grid for safety reasons Corrective measures Check the line voltage and connection on the inverter If the line voltage lies outside the permissible range because of local grid conditions ask the grid operator if the voltages can be adjusted at the feed in point or if they agree to changes in the values of the monitored operating limits operating parameters Vac Min and Vac Max If the line voltage lies within the tolerance range yet Vac Bfr or Vac Srr faults are still displayed contact the SMA Service Line 54 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Vpv Max Watchdog Watchdog Srr Zac Bfr Zac Srr Installation Manual Troubleshooting Description and corrective measure Overvoltage at DC input The inverter may be damaged Corrective measures Disconnect the inverter from the power distribution grid immediately Disconnect the miniature circuit breaker If installed disconnect the external DC switch disconnector If an Electronic Solar Switch is installed remove it Remove all DC connectors Check the DC voltage Ifthe DC v
43. re securely connected Push the threaded sleeve C onto the jack element B until it audibly snaps into place SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Electrical Connection 14 Screw the pressure screw E tightly onto the threaded sleeve The pressure screw serves to seal and relieve strain V The AC connection socket has been screwed together 15 Close the socket element with the protective cap provided if the inverter has not yet been connected 16 Insert the AC connection socket into the AC socket on the inverter Remove the protective cap beforehand if required Vr rmm o B8888999 S V The AC cable is connected to the inverter DANGER Danger to life due to high voltages in the inverter Do not switch on the miniature circuit breaker until the PV array has been connected and the inverter is securely closed Installation Manual SB33 38 1 14 62 27 Electrical Connection SMA Solar Technology AG 5 3 3 Connecting Additional Grounding If a second protective conductor additional grounding or equipotential bonding is required you can additionally ground the inverter on the enclosure Overview of the Additional Grounding NAA Description Metal shackle on the bottom of the inverter enclosure Conical spring washer included in the scope of deliver
44. 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 GR 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 infoGSMA de 2004 to 2012 SMA Solar Technology AG All rights reserved Installation Manual SB33 38 11 lA en 62 75 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 8 Eastern Europe s r o 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 Iberica 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
45. s of the open inverter A B Q OQ H o Y E 9 C CD UUUUUUUUUUUUUU oofoooo E B oe Oe le M a E D L mE 2 fir Q Q Description Slot for communication B sy D operano sars o FO AC socket for grid connection DC connectors for connecting the PV strings H for the Electronic Solar Switch ESS IEEE Enclosure opening with filler plug for communication Varistors Communication connection Jumper slot for communication If you have ordered the inverter without ESS the inverter is fitted with 2 negative and 2 positive DC connectors optional 22 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Electrical Connection 5 3 Connection to the Power Distribution Grid 5 3
46. sosa ras 45 OIM M c RH 46 Cleaning the Ventilation Grids 48 Checking the Electronic Solar Switch for Wear 49 Troubleshooting 50 PHACCO ius za ele Gaetan 50 Error Messages caretas add POE 51 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG 9 3 9 3 1 9 3 2 10 10 1 10 2 10 3 10 4 11 11 1 11 1 1 11 1 2 11 2 11 2 1 11 2 2 11 2 3 11 2 4 11 2 5 11 2 6 12 13 Installation Manual Table of Contents Red LED is Glowing 56 Checking the PV Array for Ground 56 Checking the Function of the Varistors 58 Decommissioning 1 Disassembling the Inverter 61 Packing the Inverter ss esa sre ea du op Eth RS EUR 63 Sterne the Inverness A E ais 63 Disposing of the Inverfer 63 Technical noir 64 DE s A E 64 SUMY BOV 300 uu y eke eon fg ED 64 SUNNY BOV ainda 66 General Dqdla 8 Protective Devica S creando Bd b Reit 68 CODRIP Standards srs toi ais 69 C haeo CONGINONS cise deba datae boc oc fe deb ab ten dal dao 69 CCL Sak ENTE T EET TETTE T
47. states to be read at all times The inverter must be easy to remove from the mounting location at any time The ambient temperature should be below 40 C to ensure optimum operation Do not expose the inverter to direct solar irradiation as this can cause excessive heating and thus power reduction 1 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 Observe the minimum clearances to walls other inverters or objects as shown in the diagram in order to ensure sufficient heat dissipation and if applicable sufficient space for removing the Electronic Solar Switch if included If necessary increase the clearances between the individual inverters In addition make i Multiple inverters installed in areas with high ambient temperatures sure there is enough fresh air supply to ensure sufficient cooling of the inverters Installation Manual SB33 38 1 1 IA en 62 17 Mounting SMA Solar Technology AG 4 3 Mounting the Inverter with the Wall Mounting Bracket CAUTION N Risk of injury due to the heavy weight of the inverter 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 E 217 mm E o 92mm 125 l25m mm 103 8 mm Mounting material When
48. t Installation Manual SB33 38 1 1 IA en 62 39 Commissioning SMA Solar Technology AG 6 2 Display Messages During the Startup Phase After commissioning the inverter displays the De UE device type in the startup phase After 5 seconds when you tap again on the enclosure lid the firmware version of the internol e i pr ocessors i s di spl ay e d by th e inv erter we PPE MERT AA the configured country standard is displayed by the After a further 5 seconds or when you tap again UE DE Hd d BE MP inverter example VDE AR N4105 MP d Showing the display messages again valid as of firmware version 4 00 40 If you want to view the display messages of the startup phase again while in normal operation tap the enclosure lid twice in quick succession SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Opening and Closing 7 Opening and Closing 7 1 Safety DANGER Risk of lethal electric shock Before opening the inverter observe the following e Ensure that no voltage is present on the AC side Ensure that neither voltage nor current is present on the DC side NOTICE Static discharges can damage the inverter The internal component parts of the inverter can be irreparably damaged by electrostatic discharge Ground yourself before touching a component part 7 2 Opening the Inverter 1 Disconnect the miniature circuit breaker and sec
49. t the input current for each string does not exceed the maximum through fault current of the connectors used 30 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Electrical Connection 5 5 2 Assembling the DC Connectors For connection to the inverter all connection cables of the PV modules must be equipped with the DC connectors provided To assemble the DC connectors proceed as follows Ensure the connectors have the correct polarity The DC connectors have the symbols and Cable requirements e Use a PVI F cable 2 5 6 mm 05 8 Procedure 12 mm 1 Lead the stripped cable all the way into the DC connector 2 Press the clamping bracket down The clamping bracket snaps audibly into place 3 Ensure that the cable is correctly positioned Ifthe stranded wire is visible in the chamber Proceed to step 4 of the clamping bracket the cable is correctly positioned Installation Manual SB33 38 11 lA en 62 31 Electrical Connection SMA Solar Technology AG If the stranded wire is not visible in the Loosen the clamping bracket To do so chamber the cable is not correctly insert a screwdriver into the clamping positioned bracket and lever the clamping bracket out blade width 3 5 mm Remove the cable and go back to step 1 4 Push the cable gland to the thread and tighten it torque 2 yA V The DC connectors are assembled and c
50. 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 mm 7 Switch on the miniature circuit breaker 8 Check whether the inverter s display and LED display indicate a normal operating state see section 6 Commissioning page 39 The inverter is closed and in operation 44 SB33 38 1 1 62 Installation Manual SMA Solar Technology AG Maintenance ond Cleoning 8 Maintenance and Cleaning 8 1 Cleaning the Inverter If the inverter is dirty and the visibility of the operating data and operating states of the inverter is only limited clean the enclosure lid the display and the LEDs with a damp cloth Do not use any corrosive substances e g solvents or abrasives for this Also check the inverters and the cables for visible external damage Repair if necessary
51. ure 1 Check the line 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 can be found in the download area at www SMA de en in the Technical Description category of the respective inverter 2 Disconnect the miniature circuitbreaker 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 Pass the pressure screw E over the AC cable E Installation Manual SB33 38 1 14 62 25 Electrical Connection SMA Solar Technology AG 5 26 Pass the threaded sleeve C with the sealing ring over the AC cable Bend the AC cable The bending radius must be at least four times the cable diameter Shorten the cable Shorten phase L and neutral conductor N 4 to 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 insulated conductors of N and L Insert the neutral conductor N blue into the screw terminal N on the jack element and tighten the screw Insert phase L brown or black into screw terminal L on the jack element and tighten the screw Make sure the insulated conductors a
52. ure against re connection 2 external DC switch disconnector is present disconnect the external DC switch disconnector 3 If an Electronic Solar Switch is installed pull it downwards slightly towards the wall 4 Using a current probe ensure that no current is present at any of the DC cables If current is present check the installation Installation Manual SB33 38 1 I IA en 62 41 Opening Closing 5 Unlock and disconnect all DC connectors To do this insert the screwdriver into one of the side slots blade width 3 5 mm and pull the DC connectors straight down Do not pull on the cable while doing this SMA Solar Technology AG V All DC connectors are disconnected from the inverter The inverter is entirely disconnected from the PV array 6 Pull out the AC plug 7 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 e Wait 15 minutes before opening the inverter 42 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Opening Closing 8 Loosen the screws of the enclosure lid 9 Pull the enclosure lid forward smoothly The inverter is open and no voltage is present 7
53. ution grid outage there is consequently a danger of back feed e Never operate the inverter directly on the power distribution grid when set to stand alone grid operation 38 SB33 38 1 1 62 Installation Manual SMA Solar Technology AG Commissioning Commissioning Commissioning the Inverter ll 3 Check the following requirements before commissioning The inverter is securely in place The AC cables are correctly connected power distribution grid All DC cables are completely connected PV strings Unused DC inputs are closed using the corresponding DC connectors and sealing plugs The enclosure lid is securely screwed in place An external DC switch disconnector is additionally connected or if available the Electronic Solar Switch ESS is firmly in place The miniature circuit breaker is correctly laid out Switch on the miniature circuit breaker All LEDs are glowing or flashing the startup phase is starting Green LED is glowing commissioning was successful or Green LED flashes in case of insufficient irradiation Grid connection conditions have not yet been reached Wait for sufficient irradiation or V The red or yellow LED is glowing or flashing a disturbance has occurred Proceed to step 3 Red LED Ground fault or varistor defective Read section 9 Troubleshooting page 50 and if necessary eliminate the error or faul
54. ve a brown disconnect the DC side discoloration or are burned through A 1 Replace the Electronic Solar Switch handle before attaching it again order number see The plastic in the Electronic Solar Switch section 12 Accessories page 71 shows thermal deformation Commission the inverter as described in section 6 Commissioning page 39 Installation Manual SB33 38 1 1 IA en 62 49 Troubleshooting SMA Solar Technology AG 9 Troubleshooting If the inverter displays other blink codes or error messages than those described below contact the SMA Service Line You will also find a description of display messages during operation status messages and measurement channels in the user manual provided Do not perform any repairs that are not described here and take advantage of the 24 hour replacement service inverter ready for shipping and handed over to a freight forwarding company within 24 hours and the SMA Solar Technology AG repair service instead 9 1 Blink Codes green Status flashing flashing flashing OK startup phase is glowing continuously OK feed in operation is glowing continuously is not glowing Ground fault or varistor defective is glowing OK initialization continuously flashing quickly isnot glowing isnot glowing OK op 3 x per second is glowing is not PA Ground fault or varistor j is flashing slowly is not is not glowing OK waiting grid 1 x per se
55. wing Do not tighten the screw in the Electronic Solar Switch Firmly plug in the Electronic Solar Switch until it is flush with the enclosure e Ensure that the maximum distance between the Electronic Solar Switch and the enclosure is 1 mm PV array grounding Comply with local regulations for the grounding the PV modules and of the PV array SMA Solar Technology AG recommends connecting the PV array frame and other electrically conductive surfaces so that there is continuous conduction and to ground them in order to ensure maximum protection for plants and persons Installation Manual SB33 38 1 1 IA en 62 11 Safety SMA Solar Technology AG 2 3 Explanation of Symbols This section gives an explanation of all the symbols found on the inverter and on the type label 2 3 1 Symbols on the Inverter Symbol Operation display Indicates the operating state of the inverter Ground fault or varistor defective Read section 9 3 Red LED is Glowing Continuously page 56 You can operate the display by tapping the enclosure lid Tapping once the backlight switches on or the display scrolls to the next display message Tapping twice in quick succession The inverter shows the display messages from the startup phase again see section 6 2 Display Messages During the Startup Phase page 40 DC switch disconnector Electronic Solar Switch 55 e When the Electronic Solar Switch is plugged in the D
56. y Terminal lug M6 with protective conductor Washer M6x12 cheese head screw included in the scope of delivery Procedure 1 Disconnect the inverter from the AC and DC side as described in section 7 2 Opening the Inverter page 41 2 Align washer terminal lug with protective conductor and conical spring washer on cheese head screw The teeth of the conical spring washer q must be facing the metal shackle 3 Plug the cheese head screw into the metal shackle and tighten to a torque of 6 Nm d 4 Check that the contact between the protective conductor and the enclosure is in accordance with the regulations valid for the country of installation 28 SB33 38 1 1 IA en 62 Installation Manual SMA Solar Technology AG Electrical Connection 5 4 Setting the Display Language You can set the language of the display using the switches at the bottom of the display assembly inside the inverter Procedure 1 Open the inverter as described in section 7 2 Opening the Inverter page 41 2 Set the switches to the required language as shown below The following switch settings apply Switch S2 Switch 51 _ English French A 3 Close the inverter as described in section
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