SUNNY BOY 3000-US / 3800-US / 4000-US - User Manual
Contents
1. User Manual B30 40 BA eng BUS121010 21 5 Troubleshooting SMA America LLC Position Description Status Explanation Goes out briefly Derating once per second temperatures above 113 F 45 the inverter continues to operate but reduces the power so as to protect the internal components from overheating Corrective measures Ensure that the inverter has sufficient ventilation Ensure that air is emerging from the fan enclosure If no air is emerging from the fan enclosure clean the fan enclosure see section 6 4 B Red LED Glowing Grounding fuse tripped The grounding fuse has been tripped or is missing The grounding fuse protects the PV plant if a ground fault is present in the PV array Corrective measures e Contact installer C Yellow LED Glowing Control system error The inverter is no longer feeding into the power distribution grid Corrective measures Contact installer Blinking AFCI self test The inverter is performing an AFCI self test Glows for 5 s goes out for 3 s blinks twice Grid failure The power distribution grid has failed or the AC miniature circuit breaker has been triggered Corrective measures e Ensure that there is no power distribution grid failure If there is no power distribution grid failure contact the installer 22 SB30 40 BA eng BUS121010 User Manual SMA America LLC 5 Troubleshooting Position2. PV Inverter SUNNY BOY 3000 05 3800 05 4000 US User Manual SB30 40 BAeng BUS121010 TBUS SB3 AUS Version 1 0 Co YOUR a DISTRIBUTOR SOLIGENT Soligent 2 227 SMA America LLC Legal Restrictions Copyright 2012 SMA America LLC All rights reserved No part of this document may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photographic magnetic or otherwise without the prior written permission of SMA America LLC Neither SMA America LLC nor SMA Solar Technology Canada Inc makes representations express or implied with respect to this documentation or any of the equipment and or software it may describe including with no limitation any implied warranties of utility merchantability or fitness for any particular purpose All such warranties are expressly disclaimed Neither SMA America LLC nor its distributors or dealers nor SMA Solar Technology Canada Inc nor its distributors or dealers shall be liable for any indirect incidental or consequential damages under any circumstances The exclusion of implied warranties may not apply in all cases under some statutes and thus the above exclusion may not apply Specifications are subject to change without notice Every attempt has been made to make this document complete accurate and up to date Readers are cautioned however that SMA America LLC and SMA Solar Technology Canad
3. SMA Sunny Boy 3000US 3800 US 4000US Inverter Sunny Boy Abbreviations Abbreviations Designations Explanations AC Alternating Current AFCI Arc Fault Circuit Interrupter DC Direct Current LED Light Emitting Diode MPP Maximum Power Point MPPT Maximum Power Point Tracker OCU Operational Control Unit PY Photovoltaics 10 SB30 40 BA eng BUS121010 User Manual SMA America LLC 2 Safety 2 Safety 2 1 Intended Use The Sunny Boy is PV inverter which converts the direct current of the PV array to alternating current and feeds it into the power distribution grid The Sunny Boy is suitable for use with fuel cells small wind turbine systems and other DC power sources Figure 1 Principle of a PV plant with Sunny Boy Position Description A PV array B Sunny Boy with DC Disconnect Loads D Energy meter E Power distribution grid The Sunny Boy takes current from a DC source and converts it to alternating current for the power distribution grid This current is then supplied to the local loads C Surplus energy is fed into the power distribution grid E The amount of current needed from the power distribution grid is reduced due to the current supplied to the load from the PV plant An energy surplus may even result in the energy meter D of your plant running backward This power may also be recorded a
4. The DC Disconnect forms a conductive path between the PV array and the inverter Actuating the DC Disconnect interrupts the flow of current and the DC cabling can be safely disconnected from the inverter 3 4 Communication The inverter can be fitted with a communication module to enable communication via cabling with special data capture devices or a PC with the corresponding software for information about supported communication products for communication with the communication module see www SMA America com 18 SB30 40 BA eng BUS 121010 User Manual SMA America LLC 3 Product Description 3 5 Arc Fault Circuit Interrupter AFCI In accordance with the National Electrical Code Article 690 11 the Sunny Boy is equipped with a system for electric arc detection and interruption An electric arc with a power of 300 W or greater must be interrupted by the AFCI in the time specified by UL 1699B A tripped AFCI may only be reset manually Only the following types of Sunny Boy are equipped with an automatic arcfault circuit interrupter SB 3000 05 12 SB 3800 05 12 e B 4000 05 12 The 2011 edition of the National Electrical Code Article 690 11 stipulates that newly installed PV plants attached to a building must be fitted with a means of detecting and disconnection of serial electric arcs on the PV side The automatic arc fault circuit interrupter can be deactivated in the Installer mode via the communication device if t
5. User Manual SB30 40 BA eng BUS 121010 5 General Warnings SMA America LLC General Warnings WARNING General Warnings All electrical installations must be in accordance with the local and National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code CSA C22 1 This document does not and is not intended to replace any local state provincial federal or national laws regulations or codes applicable to the installation and use of the product including without limitation applicable electrical safety codes All installations must conform with the laws regulations codes and standards applicable in the jurisdiction of installation SMA assumes no responsibility for the compliance or noncompliance with such laws or codes in connection with the installation of the product The product contains no user serviceable parts except for the fan on the bottom of the enclosure and the handle covers on the sides of the unit For all repairs and maintenance always return the unit to an authorized SMA Service Center Before installing or using the product read all of the instructions cautions and warnings in this manual Before connecting the product to the power distribution grid contact the local utility company This connection may only be performed by personnel Wiring of the product may only be performed by qualified personnel 6 SB30 40 BA eng BUS 121010 User Manual SMA America LLC Table of Contents 1 2
6. 2 1 2 2 3 3 1 3 2 3 3 3 4 3 5 4 5 5 1 5 2 5 3 5 3 1 5 3 2 5 3 3 User Manual Product Description SUNNY BOY scoala at a ee Aa dod aou oie AR EN Conatus do DE Disconnect oo tee e ate Reo son pet Communication 24 22 ee sie actis beue Arc Fault Circuit Interrupter AFCI Operating the Troubleshooting eoe re m eem em LED Signals Scd eaten ge am Measurement Channels Display Messages ni na a Status Messages m nenn P NNUS Error Messages x esee eee het e eee e e e e e are Resetting Error ARCI i ara ara ee hme a anna SB30 40 BA eng BUS121010 Table of Contents Table of Contents SMA America LLC 6 1 6 2 6 3 6 4 6 5 Cleaning and 31 Checking the Inverter wur ass 31 Checking the DC Disconnect acer 31 Cleaning the Inverter Ss ped eles Sd o ond 32 Cleaning the Fan Enclosure u UR qos dera aa 32 Cleaning the Ventilation Grids 33 Compliance Information 34 CODICE kurse 35 SB30 40 BA eng BUS121010 User Manual SMA America LLC 1 Information on this Document 1 Information on this Document Validity This document is valid for the following device types SB 300005 e SB 300005 12 e SB 3800 05
7. Communication between micro controllers is interrupted The inverter disconnects itself from the power distribution grid As soon as the error has been remedied the inverter tries to feed into the power distribution grid again If the inverter cannot feed into the power distribution grid after several attempts the inverter triggers the permanent inhibition of operation Corrective measures Contact installer Derating The inverter reduces the output power due to high internal temperatures Corrective measures Ensure that the inverter has sufficient ventilation Ensure that air is emerging from the fan enclosure If no air is emerging from the fan enclosure clean the fan enclosure see section 6 4 Error AFCI The inverter has detected an electric arc in the PV system Corrective measures Restart the inverter see section 5 3 3 Resetting Error AFCI page 30 If the message occurs frequently contact the installer EarthCurMax B EarthCurMax S The ground fault monitoring GFDI has detected an elevated residual current in the PV plant Corrective measures Contact installer EEPROM Temporary disturbance during reading or writing of data from the EEPROM This data is not essential for safe operation This message is for information purposes and has no effect on the performance of the inverter 26 SB30 40 BA eng BUS 121010 User Manual SMA America LLC 5
8. Description Status Glows for 5 s goes out for 3 s blinks 4 times Explanation High DC input voltage The inverter has detected a DC input voltage that is too high for safe operation Corrective measures Contact installer Glows for 5 s goes out for 3 s blinks 5 times Disturbance The inverter has detected an internal error that interrupts normal operation Corrective measures Contact installer B C Red LED yellow LED Glowing Ground fault The inverter has detected a ground fault The inverter will not restart automatically after detecting a ground fault Corrective measures Contact installer A B C All LEDs Glowing Initialization The inverter is initializing The available DC input current of the PV array is insufficient for feed in operation Data transmission is not possible during initialization A B C All LEDs None glowing Standby The inverter is in standby mode The input voltage is too low for operation User Manual SB30 40 BA eng BUS121010 23 5 Troubleshooting SMA America LLC 5 2 Measurement Channels The measured values of the inverter are shown on the display in the measurement channels In addition you can read out a variety of measurement channels and messages from the inverter using special communication devices e g Sunny WebBox or a PC with the relevant software e g Sunny Explorer Me
9. This device complies with Industry of Canada licence exempt RSS standard s Operation is subject to the following two conditions e This device may not cause interference and e This device must accept any interference including interferences that may cause undesired operation of the device 34 SB30 40 BA eng BUS121010 User Manual SMA America LLC 8 Contact 8 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 e Inverter device type e Inverter serial number Firmware version of the inverter and number of the PV modules connected Mounting location and mounting height of the inverter LED signal and display message of the inverter Optional equipment e g communication products SMA Solar Technology America LLC 6020 West Oaks Blvd Ste 300 Rocklin CA 95765 Tel 1 916 625 0870 Tel 1 877 MY SMA TECH Tel 1 877 697 6283 Toll free available for USA Canada and Puerto Rico Fax 1 916 625 0871 Service8SMA America com www SMA America com SMA Solar Technology Canada Inc 2425 Matheson Blvd E 8th Floor Mississauga ON L4W 5 5 Canada Tel 1 877 506 1756 Toll free available for Canada Service SMA Canada ca www SMA Canada ca User Manual SB30 40 BA eng BUS 121010 35 SMA Solar Technology SMA America LLC www SMA America com
10. 10 e SB 3800 05 12 e B 400005 e B 4000 05 12 Target group This document is intended for end users Additional information Additional information is available at www SMA America com Symbols Symbol Description A DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury A CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE is used to address practices not related to personal injury Indicates information that is important for a specific topic or objective but is not safety relevant Indicates a requirement for meeting a specific goal Desired result xalo d A problem that could occur User Manual SB30 40 BA eng BUS 121010 9 1 Information on this Document SMA America LLC Typography Typography Usage Example light Display messages e inverter switches to Balanced mode Terminals Slots bold e Elements to be selected Select the FanTest parameter and Elements to be entered set to 1 Nomenclature The following nomenclature is used in this document Complete designation SMA Solar America LLC SMA Designation in this document SMA Solar Technology Canada Inc
11. Fan Enclosure If the inverter displays the message Derating the fan enclosure is probably dusty or dirty Figure 8 Position of the fan enclosure with fan Position Description A Fan enclosure with fan e Check whether the fan enclosure is dusty or dirty If the fan enclosure is dusty clean the fan enclosure using a vacuum cleaner If the fan enclosure is dirty contact the installer 32 SB30 40 BA eng BUS121010 User Manual SMA America LLC 6 Cleaning and Care 6 5 Cleaning the Ventilation Grids The ventilation grids must be clean for optimum heat dissipation of the device Clean the ventilation grids regularly as follows 1 Remove the ventilation grids to the side 2 NOTICE Damage to the inverter caused by foreign bodies Do not remove the ventilation grids permanently They prevent foreign bodies from entering the enclosure 3 Clean the ventilation grids with a soft brush a paintbrush or compressed air 4 Close the recessed grips with the ventilation grids Ensure the assignment is correct Each ventilation grid is assigned to an enclosure side on its interior Left side links lef and right side rechts right User Manual SB30 40 BA eng BUS121010 33 7 Compliance Information SMA America LLC 7 Compliance Information FCC Compliance This device complies with Part 15 of the FCC Rules Operation is subje
12. Touching hot enclosure parts can result in burns e Only touch the enclosure lid and display during operation 12 SB30 40 BA eng BUS 121010 User Manual SMA America LLC 3 Product Description 3 Product Description 3 1 Sunny Boy The Sunny Boy is a PV inverter which converts the direct current of the PV array to alternating current and feeds it into the power distribution grid Figure 2 Sunny Boy design Position Description Ventilation grids left and right Type label DC Disconnect LEDs Display Enclosure lid User Manual SB30 40 BA eng BUS121010 13 3 Product Description Symbols on the inverter SMA America LLC Symbol Description Tap symbol p sy Explanation Indicates display operation see section 4 Green LED The green LED indicates the operating state of the inverter see section 5 1 hy Red LED The red LED indicates the status of the grounding fuse see section 5 1 Ba Yellow LED The yellow LED indicates an error or disturbance see section 5 3 2 14 SB30 40 BA eng BUS121010 User Manual SMA America LLC 3 2 Type Labels Type label of the Sunny Boy 3 Product Description The type label provides a unique identification of the inverter The type label is on the right hand side of the enclosure N SMA Solar Technology AG Em y SUNNY BOY
13. Troubleshooting Message Cause and corrective measures EEPROM p Data from the EEPROM is defective The inverter has switched itself off because the loss of data has disabled important inverter functions Corrective measures Contact installer EeRestore One of the duplicate records in the EEPROM is defective and has been reconstructed without loss of data This message is for information purposes and has no effect on the performance of the inverter Fac Bfr The AC power frequency has exceeded the permissible range The inverter F es disconnects itself from the power distribution grid to prevent islanding Corrective measures Contact installer GFDI Fuse Open The grounding fuse has been tripped Corrective measures Contact installer Grid Timeout It was not possible to detect the system configuration of the power Grid Fault S distribution grid Corrective measures If the message occurs frequently contact the installer Imax Overcurrent was detected on the AC side The current to the power distribution grid has exceeded the specifications This may be caused by a serious system incident Corrective measures e Contact installer K1 Close An internal test has failed K1 Open The inverter disconnects itself from the power distribution grid As soon as K2 Open the error has been remedied the inverter tries to feed into the power distribution grid again If the inverter cannot fe
14. Utility interactive 1 phase inverter Made in Germany Model SB 3000US T S N XXXXXXXXXX ES Date of manufacture XX XXXX Max continous output Power XXXX Wac Reduced output power rating Operating voltage range Vac MIN NOMINAL MAX xxx xxx xxx XXX XXX XXX Operating frequency range MIN NOMINAL XXX XX X Max continous output current Output power factor Max open circuit input voltage xxx Vde Range of input operating DC voltage xxx Vac xxx xxx xxx Vac Max operating current xx Adc Oper temp range 13 Fto 113 F 25 C to 45 C This unit contains DC Ground Fault Detector and Interrupter ENCLOSURE Type 54 For more details and for tightening torque allowable wire size and type see the Installation Guide Utility Interac c s LISTED USTED UL 1721 36AN FOR HOME AND OFFICE USE CAN CSA C22 2 107 11 A A G5 Figure 3 Layout of the Sunny Boy type label Position Description Explanation A Model Device type B Serial No Inverter serial number C Device specific characteristics You require the information on the type label to use the inverter safely and for customer support at the SMA Service Line The type label must be permanently affixed to the inverter User Manual SB30 40 BA eng BUS121010 15 3 Product Description Type l
15. a Inc reserve the right to make changes without notice and shall not be responsible for any damages including indirect incidental or consequential damages caused by reliance on the material presented including but not limited to omissions typographical errors arithmetical errors or listing errors in the content material 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 America LLC and SMA Solar Technology Canada Inc is under license SMA America LLC 3801 N Havana Street Denver CO 80239 U S A SMA Solar Technology Canada Inc 2425 Matheson Blvd E 8th Floor Mississauga ON L4W 5 5 Canada User Manual SB30 40 BA eng BUS 121010 3 Important Safety Instructions SMA America LLC IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions for the following products Sunny Boy 3000 US 3800 US 4000 US This manual must be followed during installation and maintenance The product is designed and tested in accordance with international safety requirements but as with all electrical and electronic equipment certain precautions must be observed when installing and or operating the product To reduce the risk of personal injury and to ensure the safe instal
16. abels of the DC Disconnect SMA America LLC The type label provides a unique identification of the DC Disconnect The type labels are on the righthand side of the enclosure SMA Solar Technology AG c _ DC Disconnect Engineered in Germany pos Item No l DC DisconU XX Ed Date of manufacture XX XXXX Max system voltage under all conditions XXXX Vdc DC max operating current XXXX Adc Max string fuse rating XXXX Adc max voltage and rated current XXX V Operating temperature range XX F to XXX F XX C to XX C ENCLOSURE 3R This unit is UL approved for use with PV arrays and the inverter types SB 300005 58 3000US 12 SB 38000 US 10 SB 3800 US 12 SB 4000US SB 4000 US 12 SB 500005 SB 5000US 11 SB 500005 12 SB 600005 SB 6000US 1 1 SB 6000US 12 SB 700005 SB 7000US 1 1 SB 7000US 12 SB 800005 SB 8000US 1 1 SB 8000US 12 For mor details and for tightening torque allowable wire size and type see the Installation Guide c UL us usten Utility interactive inverter LISTED UL 1741 36AN CAN CSA 22 2 No 107 1 1 A G9 Figure 4 Layout of the DC Disconnect type label Position Description Explanation A Item No l Device type B Device specific characteristics 16 SB30 40 BA eng BUS121010 User Manual SMA America LLC 3 Product Description SMA Solar Techno
17. asurement channel Explanation CO2 saved Amount of CO saved during the operating time E Total Total energy yield Error Description of error Event Cnt Number of events Fac Power frequency Grid Type Type of power distribution grid to which the inverter is connected h on Total operating hours h Total Total number of operating hours in feed in operation I dif Residual current lac Line current Ipv DC input current Max Temperature Maximum temperature measured at IGBT module Max Maximum DC input voltage Mode Current operating mode Pac Power fed into the power distribution grid Power On Total system start up counter Serial Number Inverter serial number Temperature Temperature measured at IGBT module Vac Line voltage L1 L2 Vac 11 Line voltage L1 N Vac 12 Line voltage L2 N Vpv DC input voltage Vpv PE Direct voltage to ground for troubleshooting PV ground faults Vpv Setpoint MPP tracking DC target voltage 24 SB30 40 BA eng BUS 121010 User Manual SMA America LLC 5 Troubleshooting 5 3 Display Messages 5 3 1 Status Messages Message Explanation Derating Reduction of the power distribution grid feed in power due to abnormal heat sink temperatures Disturbance Indicates an error status related to the power distribution grid The error status will resolve itself Error Error st
18. atus that must be remedied Grid monitoring When the system starts the inverter synchronizes with the power distribution grid MPP The inverter is in MPP mode The inverter adjusts the DC input voltage and the DC input current of the PV array to achieve the highest possible DC output power MPP Search When the system starts the inverter checks the MPP tracking range Offset When the system starts the inverter calibrates the electronics Stop The inverter has been manually set to system stop Turbine The inverter is in turbine mode This operating mode was specifically designed for use with wind turbine systems V Const The DC input voltage of the PV arrays is set at a given target value and the inverter is not operating in MPP mode This operating mode is suitable for using the inverter with fuel cells or small hydroelectric power plants Wait The DC input voltage is not high enough for the start Warning System warning advising further investigation User Manual SB30 40 BA eng BUS121010 25 5 Troubleshooting SMA America LLC 5 3 2 Error Messages In the event of an error the relevant messages are shown on the display and the backlight is activated Each error message is displayed for 5 seconds After 5 seconds the display scrolls through the regular operation messages The error message will be displayed in the display sequence until the fault is rectified Message Bfr Srr Cause and corrective measures
19. ct to the following conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation NOTE This equipment has been tested and found to comply with the limits for a Class A amp B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna e increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help The user is cautioned that changes or modifications not expressly approved by SMA America Inc could void the user s authority to operate this equipment IC Compliance
20. ed into the power distribution grid after several attempts the inverter triggers the permanent inhibition of operation Corrective measures Contact installer User Manual SB30 40 BA eng BUS121010 27 5 Troubleshooting SMA America LLC Message MSD FAC MSD Idif MSD VAC Cause and corrective measures An internal measurement comparison error was detected The measured values of the two processors operation control unit and current control unit are too far removed from each other Corrective measures Contact installer OFFSET The grid monitoring self test failed The inverter disconnects itself from the power distribution grid As soon as the error has been remedied the inverter tries to feed into the power distribution grid again If the inverter cannot feed into the power distribution grid after several attempts the inverter triggers the permanent inhibition of operation Corrective measures If the message occurs frequently contact the installer ROM The internal test of the inverter control system firmware failed The inverter disconnects itself from the power distribution grid As soon as the error has been remedied the inverter tries to feed into the power distribution grid again If the inverter cannot feed into the power distribution grid after several attempts the inverter triggers the permanent inhibition of operation Corrective measures If the me
21. his function is not desired User Manual SB30 40 BA eng BUS 121010 19 4 Operating the Display SMA America LLC 4 Operating the Display The display shows the current operating data of the inverter e g status power input voltage and errors or disturbances The displayed operating data is updated every 5 seconds The backlight shuts off automatically after 2 minutes You can operate the display by tapping on the enclosure lid activate the backlight tap once To move on from a displayed message tap once display the serial number and designation of the inverter the firmware version and the status of the Power Balancer if active in succession during operation tap twice in succession 20 SB30 40 BA eng BUS121010 User Manual SMA America LLC 5 Troubleshooting 5 1 LED Signals The LEDs display the operating state of the inverter and indicate the messages in the display via various blink codes 5 Troubleshooting Figure 7 Position of the LEDs Position Description Status Explanation A Green LED Glowing Operation Indicates normal operation of the inverter Blinks 3 times per second Start The inverter is calibrating internal systems The calibration lasts 10 seconds and the inverter begins normal operation Stop The inverter has been set to stop mode manually Blinks once per second Waiting The inverter is checking the conditions for grid connection
22. lation and operation of the product you must carefully read and follow all instructions cautions and warnings in this manual Warnings in this Document A warning describes a hazard to equipment or personnel It calls attention to a procedure or practice which if not correctly performed or adhered to could result in damage to or destruction of part or all of the SMA equipment and or other equipment connected to the SMA equipment or personal injury Symbol Description A DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury A CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE is used to address practices not related to personal injury gt SB30 40 BA eng BUS 121010 User Manual SMA America LLC Important Safety Instructions Markings on this Product The following symbols are used as product markings with the following meanings Symbol Description Warning regarding dangerous voltage The product works with high voltages All work on the product must only be performed as described in the documentation of the product Beware of hot surface The product can become hot during operation Do not touch the product during operation
23. logy AG _ DC Disconnect Engineered in Germany A Serial No Item No DC DisconU XX DE34 Date of manfuacture X XXXXXXX Figure 5 Layout of the DC Disconnect type label Position A Description Explanation Serial No DC Disconnect serial number You require the information on the type label to use the DC Disconnect safely and for customer support at the SMA Service Line The type label must be permanently affixed to the DC Disconnect Symbols on the type labels Symbol Explanation Observe the operating instructions Read the documentation of the product before working on it Follow all safety precautions and instructions as described in the documentation ie UL1741 is the standard applied by Underwriters Laboratories to the product to certify that it meets the requirements of the National Electrical Code the Canadian Electrical Code CSA C22 1 and IEEE 929 2000 IEEE 929 2000 provides recommendations regarding the proper equipment and functionality necessary to ensure compatible operation when power generation is connected to the power distribution grid User Manual SB30 40 BA eng BUS121010 17 3 Product Description SMA America LLC 3 3 DC Disconnect The DC Disconnect safely disconnects the PV array from the inverter Figure 6 DC Disconnect design Position Description A Rotary switch B Cover
24. on grid As soon as the error has been remedied the inverter tries to feed into the power distribution grid again If the inverter cannot feed into the power distribution grid after several attempts the inverter triggers the permanent inhibition of operation Corrective measures e Contact installer XFMR TEMP F A high transformer temperature was detected The inverter ceases operation and the fan runs at maximum speed Corrective measures e Ensure sufficient ventilation If the message occurs frequently contact the installer XFMR_TEMP_W The inverter starts feed in operation again once the transformer temperature has been reduced Corrective measures If the message occurs frequently contact the installer User Manual SB30 40 BA eng BUS121010 29 5 Troubleshooting SMA America LLC 5 3 3 Resetting Error AFCI If the yellow LED is permanently glowing and the message Error AFCI is displayed an electric arc has been detected in the PV system The AFCI has been triggered and operation of the inverter is permanently inhibited 1 Turn the rotary switch of the DC Disconnect to the Off position 2 Wait until the display and all LEDs switch off 3 Turn the rotary switch of the DC Disconnect to the On position The message Error AFCI Knock to reset is displayed The message Error AFCI Knock to reset is not displayed Possible error cause The disturbance was not remedied Contact in
25. s power credits by the local utility company depending on the interconnection agreement The Sunny Boy is suitable for indoor and outdoor use The Sunny Boy may only be operated with PV arrays of protection class Il The PV modules used must be suitable for use with the Sunny Boy and must be approved by the module manufacturer Do not connect any energy sources other than PV modules to the Sunny Boy For safety reasons it is forbidden to modify the product or install components that are not explicitly recommended or distributed by SMA Only use the Sunny Boy in accordance with the information provided in the enclosed documentation Any other use can result in personal injury or property damage The enclosed documentation is an integral part of this product Read and adhere to the documentation ee e documentation in a convenien ace ror future reference Keep the d tat t place for fut f User Manual SB30 40 BA eng BUS 121010 11 2 Safety SMA America LLC 2 2 Safety Precautions A DANGER Danger to life due to electric shock The components in the inverter are live Touching live components can result in serious injury or death Do not open the inverter e Electrical installation repairs and conversions may only be carried out by electrically qualified persons Do not touch damaged inverters A CAUTION Risk of burns due to hot enclosure parts Parts of the enclosure can become very hot during operation
26. ssage occurs frequently contact the installer ShutDown Overcurrent present at the DC input of the inverter The inverter switches off Corrective measures Contact installer Vac Bfr Vac Srr The AC line voltage has exceeded the permissible range The cause may be disconnection of the power distribution grid or an AC cable The inverter disconnects itself from the power distribution grid to prevent islanding Corrective measures Contact installer 28 SB30 40 BA eng BUS 121010 User Manual SMA America LLC 5 Troubleshooting IDisconnect DC Message Cause and corrective measures VacL1 Bfr The AC input voltage is too high or too low on the indicated branch VacL2 Bfr The inverter disconnects itself from the power distribution grid As soon as Vacl1 Srr the error has been remedied the inverter tries to feed into the power distribution grid again If the inverter cannot feed into the power VacL2 Srr distribution grid after several attempts the inverter triggers the permanent inhibition of operation Corrective measures e Contact installer VpvMax The DC input voltage is above the set maximum limiting value IPV Overvoltage Corrective measures Immediately turn the rotary switch of the DC Disconnect to the Off position Contact installer Watchdog An internal program run disturbance was detected The inverter disconnects itself from the power distributi
27. staller 4 If the message Error AFCI Knock to reset is displayed tap the enclosure lid within 10 s The inverter starts up The inverter does not start up Possible error cause You did not tap the enclosure lid within 10 s of the message appearing Repeat steps 1 to 3 30 SB30 40 BA eng BUS121010 User Manual SMA America LLC 6 Cleaning and Care 6 Cleaning and Care 6 1 Checking the Inverter e Ask the installer to check for correct inverter operation at regular intervals e Check whether the inverter has any visible external damage If the inverter has visible external damage contact the installer 6 2 Checking the DC Disconnect Check for visible external damage and discoloration of the DC Disconnect and the cables at regular intervals If the DC Disconnect has any visible external damage or the cables have externally visible discoloration or damage contact the installer a year turn the rotary switch of the DC Disconnect from the On position to the Off position 10 times in succession This cleans the contacts of the rotary switch and prolongs the electrical endurance of the DC Disconnect User Manual SB30 40 BA eng BUS 121010 31 6 Cleaning and Care SMA America LLC 6 3 Cleaning the Inverter the inverter is dirty clean the enclosure lid the display and the LEDs using only clean water and a cloth Do not use any cleaning agents e g solvents or abrasives for this 6 4 Cleaning the
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