SUNNY BOY 8000TL-US / 9000TL-US / 10000TL-US
Contents
1. 6 Connect the black wire of the SMA DC Disconnect to the terminal labeled L1 of the Sunny Boy 7 Connect the red wire to the terminal labeled L2 in the Sunny Boy 8 Connect the wires to the terminal blocks in the Sunny Boy and tighten to a torque of 40 in lbs 4 5 Nm 9 Verify that all connections are correctly wired and properly torqued Pull on the cable in order to make sure that it is sufficiently fixed in the terminal 10 Close the SMA DC Disconnect as described in section 8 4 Closing SMA DC Disconnect page 51 11 Close the Sunny Boy as described in section 8 2 Closing the Sunny Boy page 49 M The AC cables are connected 36 SB8 1 O0TLIUS10381 1 Installation Guide SMA America LLC Electrical Connection 6 6 DC connection This section provides procedures for wiring the DC input from the PV array to the Sunny Boy Simplified elec2. oF o MAR Bele 7 BOOS km jA 9 JE 3 IS A 889 889 FTI el 4 16 oS miN 30 SB8 1 OTLIUS10381 1 Installation Guide SMA America LLC Electrical Connection Postion __ Deosiption O O OOOO p lumper poston fr verifying he operation othe tos PowerBoloncerteminal SSS Power Balancer terminal SMA DC Disconnect TM electrode canal for the connection of e Grounding electrode conductor e DC equipment grounding e AC eipnet cae 6 5 AC connection NOTICE Danger of fire Overvoltage may cause cable fire e Overcurrent protection for the AC output circuit must be provided in the electrical installation e The size of the overcurrent protection must be maximum 60 A Installation Guide SB8 10TLIUS10381 1 3 Electrical Connection SMA America LLC 6 5 1 AC cable requirements Cable
3. 17 Connect the wires to the terminal blocks in the SMA DC Disconnect and tighten to a torque of AO in lbs 4 5 Nm 18 Verify that all connections are correctly wired and properly torqued Pull on the cable in order to make sure that it is sufficiently fixed in the terminal M The AC cables are now connected in the SMA DC Disconnect 6 5 3 Connecting the AC cable in the Sunny Boy 1 Open the Sunny Boy as described in section 8 1 Opening the Sunny Boy page 48 2 Push the cable through a grommet into the Sunny Boy in order to pierce the grommet aS Do not use sharp tools to open the grommet 3 Pull the cable slightly back in order to seal the grommet Installation Guide SB8 10TLIUS10381 1 35 Electrical Connection SMA America LLC 4 Connect the green yellow cable to the terminal labeled L 5 Connect the white wire of the SMA DC Disconnect to the terminal labeled N
4. them counterclockwise with a flat head screwdriver N Connect the positive DC wire to the terminal labeled dif DC in the Sunny Boy Connect the negative DC wire to the terminal labeled DC in the Sunny Boy Torque all wires in the terminal blocks inside the Sunny Boy to 40 in lb Verify that all connections are correctly wired and properly torqued Pull on the cable in order to make sure that it is sufficiently fixed in the terminal Close the SMA DC Disconnect as described in section 8 4 Closing SMA DC Disconnect page 51 Close the Sunny Boy as described in section 8 2 Closing the Sunny Boy page 49 The DC cables are now connected in the Sunny Boy SB8 1OTL IUS1O3811 Installation Guide SMA America LLC Electrical Connection 6 7 Communication The Sunny Boy can be equipped with a communication interface socket see section 6 4 Sunny Boy connection area overview
5. RL CZ ye AIOE IF Oy l Cy IC CF I I L 14 15 Torque all wires in the terminal blocks inside the SMA DC Disconnect to 40 in lbs 4 5 Nm Verify that all connections are correctly wired and properly torqued Pull on the cable in order to make sure that it is sufficiently fixed in the terminal MI The DC cables are now connected to the SMA DC Disconnect 16 Open the Sunny Boy as described in section 8 1 Opening the Sunny Boy page 48 SB8 10TLIUS10381 1 39 Installation Guide Electrical Connection SMA America LLC 17 18 by 20 21 22 2 9 24 25 40 Push the DC wires from the SMA DC disconnect through a grommet into the Sunny Boy in order to TAO CORE fe pierce the grommet 308 Do not use sharp tools to open the grommet Pull the wires slightly back in order to seal the grommet Open the screw terminals completely by turning
6. Installation Guide SB8 10TLIUS10381 1 53 Maintenance SMA America LLC 9 2 1 Checking the fans There are two ways to check that the fan is functional 7 n Set the Fan Test parameter to in the installer mode using Sunny Data Sunny Data Control the Sunny Boy Control data logger or Sunny WebBox or place the jumpers on the system control board the jumpers required to check the fans is included in the Sunny Boy accessories kit Setting the parameter 54 Request the installer password on the SMA Serviceline contact see Page 71 71 n Set the Fan Test parameter to in the installer mode Check the fans air flow The Sunny Boy sucks air in from underneath and then blows it back out on the upper sides Listen for any unusual noise which could indicate incorrect installation or that the fans are faulty After checking the fans set the Fan Test parameter back to O SB8 1 OTLIUS10381 1 Installation Guide SMA America LLC Troubleshooting Setting the jumper The Sunny Boy recognizes the jumper only after the system has been restarted i e all LEDs must have gone out before a restart 1 Open the Sunny Boy as described in section 8 1 Opening the Sunny Boy page 48 2 Plug the provided jumpers in the slots on the system control board as shown below Ci STM UVUVUVVUVUVUVU joo00000 joOoo0000 O ell el
7. DC terminal blocks inverter 8 2 AWG 10 35 mm 194 F 90 C rated copper wire AC terminal blocks DC 6 2 AWG 16 35 mm Disconnect 194 F 90 C rated copper wire NEC 310 16 DC terminal blocks DC 8 2 AWG 10 35 mm Disconnect 194 F 90 C rated copper wire NEC 310 16 Grounding electrode conductor 8 2 AWG 10 35 mm terminal block DC Disconnect 194 F 90 C rated copper wire NEC 310 16 Screws for fastening the Sunny Boy and the DC Disconnect to the wall mounting bracket and closing the DC Disconnect lid 13 Accessories You will find the corresponding accessories and replacement parts for your product in the following overview If needed you can order these from SMA or your SMA dealer Name Deseripfion SMA order number Sunny Boy Combiner Box String combiner for 6 strings maximum SBCBTL6 10 Power Balancer set Upgrade kit for the Power Balancer PBL SBUS 10 NR function RS485 upgrade kit RS485 interface A85USPB SMC NR Bluetooth upgrade set Bluetooth communication interface BTPBINV NR Air grills Air grill set right and left as replacement A5 7202 part AC varistor replacement kit SB VAC USO1 Installation Guide SB8 10TLIUS10381 1 69 Contact 14 Contact SMA America LLC If you have technical problems concerning our products contact your installer or the SMA Serviceline We require the following information in order to provide you with the
8. Do not install the inverter e on flammable construction materials e in areas where highly flammable materials are stored e in potentially explosive areas i WARNING The Sunnv Bov becomes hot during operation Burn injuries will occur when touching the enclosure e Mount the Sunny Boy in such a way that it cannot be touched inadvertently i CAUTION Falling of the Sunnv Bov mav cause injuries Crushing of bodv parts will result e Take the weight of the Sunny Boy of approximately 77 Ibs 35 kg into account when mounting 18 SB8 1 OTL IUS10381 1 Installation Guide SMA America LLC Mounting 5 2 Selecting the mounting location Observe the following conditions during installation The installation method and mounting location must be suitable for the weight and dimensions of the Sunny Boy see section 12 Technical data page 60 Take the dimensions of the DC Disconnect into account Page 25 Mount on a solid surface The mounting location must be accessible at all times max ls Vertical installation or tilted backwards by max 15 The connection area must point downwards Never install the device with a forward tilt Do not install horizontally Install at eye level to allow operating status to be read at all times The ambient temperature must be below 113 F 45 C to ensure optimal operation Do not expose the Sunny Boy to direct sunlight in orde
9. Beware of hot surface The product can become hot during operation Do not touch the product during operation Observe the operating instructions Read the product s documentation before working on it Follow all safety precautions and instructions as described in the documentation ZNZ AC current _ DC current X Earth Ground Transformerless UL1741 is the standard applied by Underwriters Laboratories to the Sunny Boy to certify C US that it meets the requirements of the National Electrical Code 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 utility grid Installation Guide SB8 TOTL IUS103811 9 General Warnings SMA America LLC General Warnings i General Warnings All electrical installations must be done in accordance with all local electrical codes and the National Electrical Code ANSI NFPA 70 For installation in Canada the installations must be done in accordance with applicable Canadian standards The Sunnv Bov contains no user serviceable parts except for the fans on the bottom of the enclosure and the filters behind the fans as well as the handle covers on the sides of the unit For all repair and maintenance alwavs return the unit to an authorized SMA Service Center Before installing or using the Sunny Boy read all of the instructions cautions and warni
10. DC connection screw terminals AC connection screw terminals LCD display yes Optional communication interfaces RS485 or wireless Bluetooth Efficiency 0 0 0 2 0 4 0 6 0 8 1 0 98 96 5 bia G D Q94 5 Sunny Boy 8000TL US z L 2 92 Q Q O 90 Ka O O 88 4 U 300VDC 2 3 Un 345 VDC 2 8 86 Up 480 V DC j Uve V 5 e D 0 3 Pag Peak inverter efficiency 98 3 Weighed eficieney CEG General Data width x height x depth 467 mm x 838 mm x 241 mm Ambient temperature range SE ae PAD SE Ambient temperature range full power output 13 Fa tI OF Power consumption nighttime 0 25 W lt U Noise emission typical lt 46 dB A Cooling concept OptiCool Mounting location indoor outdoor NEMA 3R Installation Guide SB8 10TLIUS10381 1 6 Technical data SMA America LLC 12 2 Sunny Boy YOOOTL US PV generator connection data Maximum DC power 9 300 W Maximum array input power DC STC 11 250 W Maximum DC voltage 600 V Peak power track voltage 300 V 480 V Number of MPP Trackers 1 OptiTrac Grid connection data Nerval AC power Maximum AC current Nominal AC voltage Nominal AC voltage range Nominal AC frequency Nominal AC frequency range AC connection power balancing Ground fault monitoring R Iso yes Protection Devices Equipment DC connection screw terminals AC connection screw terminals LCD
11. Protection Devices Equipment DC connection screw terminals AC connection screw terminals LCD display yes Optional communication interfaces RS485 or wireless Bluetooth 64 SB8 10TLIUS10381 1 Installation Guide SMA America LLC Technical data Efficiency Sunny Boy 1TOOOOTL US n Del U 300VDC U 345 VDC U 480 V DC weighted Eta 96 User V 0 0 0 2 0 4 0 6 0 8 1 0 weighted in accordance with CEC operating points Pac Peak inverter efficiency 98 3 96 Weighted efficiencv CEC 97 5 General Data Maximum dimensions inverter and disconnect combined 18 in x 33 in x 9 6 in Ambient temperature range 13 F 140 F Ambient temperature range full power output 13 Ft hor Power consumption nighttime 0 25 W lt Installation Guide SB8 10TLIUS10381 1 65 Technical data SMA America LLC 12 4 SMA DC Disconnect PV generator connection data Maximum DC voltage 600 V Operating DC voltage range OV 600 V Maximum DC short circuit current Grid connection data General Data Dimensions width x height x depth 7 87 in x 12 20 in x 7 48 in 200 mm x 310 mm x 190 mm Weight 8 Ibs 3 5 kg Ambient temperature range 13 F 140 F 25 C 60 C Cable requirements 8 2 AWG 10 35 mm National Electrical Code 310 16 194 F 90 C rated copper wire Enclosure NEMA 3R rated
12. ial H 5 Say e ae lt gt i Oy i aa 1 7 8 in 3 1 2 in 1 7 8 in 1 1 2 in 47 5 mm 90 mm 47 5 mm l 1 ji 1 l T l oD im 90 mm Attach the SMA DC Disconnect to the two lower holes of the wall mounting bracket using two screws and washers provided 1 Place the screws and the washers in the holes in the fastening tabs on the DC Disconnect The teeth on the washers must lie against the fastening tabs of the DC Disconnect 2 Place the SMA DC Disconnect against the wall mounting bracket 3 Tighten the screws with 44 in lbs 5 Nm torque Mi The SMA DC Disconnect is mounted Installation Guide SB8 10TLIUS10381 1 25 Mounting SMA America LLC 5 5 Mounting the Sunny Boy onto the wall mounting bracket i CAUTION Falling of the Sunny Boy may cause injuries Crushing of body parts will resullt e Take the weight of the Sunny Boy into account when mounting 1 Remove the handle covers on the right and left side of the Sunny Boy 2 Transport the Sunny Boy between two persons using the side handles above and below or Put a steel bar with a maximum diameter of 1 2 in 30 mm through the enclosure opening above and transport it between two people 3 Hook the Sunny Boy using the enclosure opening in the back plate into the wall bracket 4 Inspect the Sunny Boy from both sides to ensure that it s
13. to the PE terminal labeled L in the SMA DC Disconnect 14 Connect the L1 AC line 1 wire to the terminal labeled L1 in the SMA DC Disconnect 34 SB8 10TLIUS10381 1 Installation Guide SMA America LLC Electrical Connection 15 Connect the L2 AC line 2 wire to the terminal labeled L2 in the SMA DC Disconnect 16 Connect the N AC line N wire to the terminal labeled N in the SMA DC Disconnect
14. 6 O 000000 000000 Je C oopa ask Logg wi 23 A Bt 3 Close the Sunny Boy as described in section 8 2 Closing the Sunny Boy page 49 4 Check the air flow of the fans The Sunny Boy sucks air in from underneath and then blows it back out on the upper sides Listen for any unusual noise which could indicate incorrect installation or that the fans are faulty 5 After checking the fans remove the jumpers Open and close the Sunny Boy as described in section 8 Opening and closing page 48 10 Troubleshooting Should the Sunny Boy display other blink codes or display messages than those described in section 7 Commissioning page 42 please refer to the operating manual of the Sunny Boy to find the exact meaning of the display message or the blink code and if necessary the details on troubleshooting Do not attempt to carry out repairs other than those described here Instead use the SMA replacement and repair services You can find more information on the replacement and repair services in the warranty conditions included with the Sunny Boy 10 1 The red LED is on continuously A ground fault exists in the PV generator Proceed as follows 1 Disconnect the Sunny Boy from both the DC and AC connections as described in section 8 1 Opening the Sunny Boy page 48 Installation Guide SB8 10TLIUS10381 1 55 Troubleshooting SMA America LLC
15. Guide SB8 10TLIUS103811 A9 Opening and closing SMA America LLC 8 3 Opening SMA DC Disconnect 1 Turn the SMA DC Disconnect off by turning the switch to O A 2 Loosen the screw in the right area of the SMA DC Disconnect B using a small phillips screwdriver used screw UNC no 5 x in cross recess Phillips pan head machine screw Do not remove the screw Check if you can remove the knob of the SMA DC Disconnect If not unscrew the screw further until you can remove the knob The screw is attached with a rubber washer in order to make the assembly easier 3 Remove the screw and the washer from the bottom side of the SMA DC Disconnect C which fastens the lid A Pull off the switch handle 5 Remove the lid of the SMA DC Disconnect by pulling it down and moving it at the same time carefully forward at its lower edge MM The SMA DC Disconnect is open 50 SB8 1 OTLIUS10381 1 Installation Guide SMA America LLC Opening and closing 8 4 Closing SMA DC Disconnect 1 Position the lid onto the SMA DC Disconnect Insert the switch handle into the lid Turn the switch handle to position O A Tighten the screw on the right side of the switch handle B using a small phillips screwdriver used screw UNC no 5 x 3 in cross recess Phillips pan head machine screw A Install the screw and washer at the bottom side of t
16. air as this can damage the fan 9 After cleaning assemble everything in reverse order 10 Check that the fans are functional as described in section 9 2 1 Checking the fans page 54 52 SB8 1OTL IUS1O3811 Installation Guide SMA America LLC Maintenance 9 1 2 Cleaning the handle covers The Sunny Boy sucks air in from underneath via the fans and blows it out again at the top on both sides via the handle covers Clean the handle covers if they are dirty Proceed as follows 1 Remove the handle covers Insert your finger above in the space between the handle cover and the housing and remove the handle covers to the side 2 Clean the handle covers with a soft brush a paint brush or compressed air Fasten the handle covers back onto the Sunny Boy The handle covers must be attached according to the inside inscription links left and rechts right NOTICE Insects entering the Sunny Boy can damage the inverter e The handle covers must not be removed permanently Otherwise the device is not protected against the entrance of insects 9 2 Checking the DC Disconnect Under normal use the DC Disconnect does not need maintenance It is recommended though not compulsory to e Check the DC Disconnect regularly e Operate the DC Disconnect once a year 10 times Operating the switch will clean the contacts and will extend the life of the DC Disconnect OT
17. and right sides of the wall mounting bracket Mount the wall mounting bracket as described in section 5 3 2 Mounting the wall mounting bracket page 23 22 SB8 10TLIUS10381 1 Installation Guide SMA America LLC Mounting 5 3 2 Mounting the wall mounting bracket 1 Position the wall mounting bracket against the wall where you intend to mount the Sunny Boy Try to mount the Sunny Boy with the display at eve level 2 Place a level on the top edge of the bracket Adjust the position until it is leveled The bottom of the bracket will be the approximate location of the bottom of the inverter 1 DANGER Risk of electric shock by drilling into power cables Death or serious injuries will result e Before drilling check installation location for power cables i CAUTION Falling of the Sunnv Bov mav cause injuries Crushing of body parts will result e Ensure that there are studs in the wall where you intend to drill holes 3 Use the wall mounting bracket as a template Mark the wall through at least three holes in horizontal or vertical position of the bracket see chapter 5 3 1 Possibilities for mounting the wall mounting bracket page 22 4 Remove the bracket and drill holes at the marks 5 Insert wall anchors into the drill holes i CAUTION Falling of the Sunnv Bov mav cause injuries Crushing of body parts will result Do not use mo
18. different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help e 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 Installation Guide SB8 10TLIUS10381 1 67 Technical data SMA America LLC 12 6 Trip limits trip times Nominal Trip limit Trip frequencies Trip times frequency 60 Hz gt 60 5 Hz 60 45 Hz 60 55 Hz max 0 1602 s lt 57 0 Hz 59 8 Hz 56 95 Hz 59 85 Hz adjustable 0 16 s 300 s default 59 3 Hz default 59 25 Hz default max 0 1602 s 59 35 Hz lt 57 0 Hz 56 95 Hz 57 05 Hz max 0 1602 s Voltage Trip limit trip Line to neutral Trip voltages Trip times voltages line to line 57 6 62 4 V max 0 1602 s 103 2 108 0 V max 2 002 s 129 6 134 4 V 224 6 max 1 001 s 141 6 146 4 V 245 4 max 0 1602 s The intervals result from the measuring accuracies listed below Manufacturer s accuracies Trip limit accuracy 2 of nominal grid voltage Trip time accuracy 0 1 of nominal trip time Trip frequency accuracy 0 1 of nominal frequency 68 SB8 1OTL IUS1O3811 Installation Guide SMA America LLC Accessories 12 7 Torque values and wire sizes Terminai CO nes Nm Wires AC terminal blocks inverter 40 4 5 6 2 AWG 16 35 mm 194 F 90 C rated copper wire NEC 310 16 40 4 5
19. display yes Optional communication interfaces RS485 or wireless Bluetooth 62 SB8 10TLIUS10381 1 Installation Guide SMA America LLC Technical data Efficiency 8 O Sunny Boy QOOOTL o D 3 Ni T O 5 e 00 VIDE 2 T U 345 VDC a U 480 V DC 3 Uwe IV 5 5 2 0 0 0 2 0 4 0 6 0 8 1 0 w Pac ki Peak inverter efficiencv 98 3 96 Weighted efficiency CEC 98 General Data Maximum dimensions inverter and disconnect combined 18 in x 33 in x 946 in width x height x depth 467 mm x 838 mm x 241 mm Weight of the inverter 77 Ibs 35 kg Weight of the SMA DC disconnect 8 Ibs 3 5 kg Ambient temperature range 13 F 140 Er 25 C 60 C Ambient temperature range full power output 13 F F113 F 725 Cae AC Power consumption nighttime Noise emission typical Mounting location Installation Guide SB8 10TLIUS10381 1 63 Technical data SMA America LLC 12 3 Sunny Boy TOOOOTL US PV generator connection data Maximum DC power 10 350 W Maximum array input power DC STC 12 500 W Maximum DC voltage 600 V Peak power track voltage 300 V 480 V Number of MPP Trackers 1 OptiTrac Grid connection data Norval AC power Maximum AC current Nominal AC voltage Nominal AC voltage range Nominal AC frequency Nominal AC frequency range AC connection power balancing Ground fault monitoring R Iso yes
20. ee General warning label Warning label DC connection Installation Guide SB8 10TLIUS10381 1 15 The Sunny Boy SMA America LLC 3 3 Identifying the Sunny Boy You can identify the Sunny Boy by the type label It is on the right side of the enclosure The type label shows 4 e The serial number Serial No pon e The type of product Tvpe Model e Device specific characteristics SUNNY BOY Model SB XXXXXXX Serial No XXXXXXXXXX Date of manufacture XX XXXX Max continous output Power xxxxx Wac Operating voltage range Vac MIN NOMINAL MAX XXX XXX XXX Operating frequency range Hz MIN NOMINAL MAX XX X XX X XX X Max continous output current xx Aac Output power factor x Range of input operating voltage xxx xxx Vde MPPT Range of input operating DC voltage xxx xxx Vde Max operating current xx Adc This unit contains a Residual Current Monitor Isolation Monitor and Interrupteur ENCLOSURE Type 3R IP54 For more details and for tightening torque allowable wire size and type see the Operator s Manual Section 1 of 2 Utility Interactive 1 Phase Inverter C Gr US LISTED FEC Tested To Comply With FCC Standards Utility interactive inverter LISTED UL 1741 36AN FOR HOME AND OFFICE USE BH 16 SB8 10TLIUS10381 1 Installation Guide SMA America LLC Unpacking and inspection 4 Unpacking and inspection All Sunny Boy inver
21. ensure that the inverter can be securely disconnected under load See the technical data for the maximal permissible rating Page 60 l DANGER Risk of fire due to improper wiring Death or serious burn injuries will result When more than one inverter is connected to the same line circuit breaker the protective function of the line circuit breaker is no longer guaranteed Do not connect more than l inverter to each line circuit breaker e When selecting the circuit breaker comply with the maximum permissible fuse protection of the inverter 1 DANGER Risk of fire due to overcurrent Death or serious burn injuries will result When a Sunny Boy and a consumer are connected to the same line circuit breaker the protective function of the line circuit breaker is no longer guaranteed The current from the Sunny Boy and the grid can add up to overcurrent which is not detected by the line circuit breaker Do not connect loads between the Sunny Boy and the line circuit breaker without protection e Always install separate fuses for loads NOTICE Damage to the Sunny Boy by using screw type fuse elements as a load disconnection unit A screw type fuse element is not a load disconnection device and thus must not be used as a load disconnection unit A screw type fuse element is only used as cable protection When disconnecting under load using a screw typ
22. este 52 ee lsarine hek de AS STA raa isa past iba NEE ten e 53 Checking the DC Dis ornect is 0 eeuc ince os cae oeeoee ces 53 Cie chang he Tans samarani aee I A E ERAS 54 Troubleshooting esesesossesesesosoesesess 55 The red LED is on continuously LL 55 SB8 1OTLIUS10381 1 Installation Guide SMA America LLC Table of Contents 10 1 1 Inspecting and changing the varistors 0 0 cee cece eee eee 57 11 Decommissioning iii 58 11 1 Disassembling the Sunny Boy and SMA DC Disconnect 58 Fie ReCKAGQiNG ane Sateen ae eet eek eee 59 Fo DIOKQQEr i atik bb bdd eb bba bba ceding tS bidaeiebhadns 59 NAL Disposal iwa na iet eee e at au aa aoe eee 59 12 Technical data 2 5 c i seas et ewe sbetiee bia bb 60 12 1 SUNAVBOVOJJJIEVS sisi iewoeene teehee iben than 60 12 2 Sunny Boy POOOIEUS sisien ti ika ka aa eves 62 12 3 Sunny Boy TOQQOTLUS ou 2c cnseteiadiideonsaked wes 64 124 SMACDG Disconnech ees irra voce EEA A d oa ees 66 125 FCC compliance information fis ri EE i ads 67 12 6 Jriplimits iriptiviesi sig sinesejeezzonti bii b theses Goon 68 12 7 Torque values and wire sizes lt 3 spieri b cide y nae 69 13 PCCESSOMES is Ii a a eS 69 14 CONT ila Were sitar rar aid a E E atin aR I tank 70 Installation Guide SB8 TOTL IUS103811 9 Table of Contents SMA America LLC 10 SB8 1 OTLIUS10381 1 Installation Guide SMA America LLC Notes on this manual 1 Notes on this manual 1 1 Validity This manual describe
23. indoor outdoor il Specifications subject to change without notice 66 SB8 1OTLIUS10381 1 Installation Guide SMA America LLC Technical data 12 5 FCC compliance information SMA Utility Interactive Inverter Model Sunny Boy This device complies with Part 15 of the FCC Rules Operation is subject 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 e Reorientor relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit
24. necessary assistance e Inverter type e Type and number of modules connected e Communication method e Serial number of the Sunny Boy e Failure or warning number of the Sunny Boy e Display of the Sunny Boy SMA Solar Technology America LLC 6020 West Oaks Blvd 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 Service SMA America com www SMA America com 70 SB8 1OTL IUS1O3811 Installation Guide SMA America Production LLC
25. page 30 to communicate with special data acquisition devices e g Sunny WebBox or a PC with appropriate software e g Sunny Data For a complete listing of all applicable communication options refer to the SMA web page or the product catalogue See the communication interface documentation for a detailed wiring diagram and instructions for insertion Installation Guide SB8 10TLIUS10381 1 41 Commissioning SMA America LLC 7 Commissioning All Sunny Boy inverters have a sophisticated system for detecting and responding to PV array ground faults as required by National Electrical Code section 690 35 C The ground fault protection device is active whenever there is sufficient DC voltage to turn on the LCD in the Sunny Boy Check the following requirements before commissioning e AC cable correctly connected e DC cable correctly connected e securely fastened enclosure lid e The line circuit breaker is laid out correctly if used Commission the Sunny Boy l DANGER High voltage is present inside the PV power plant Death or serious injury will result when damaging a DC cable or touching a DC conductor e Commission the Sunny Boy in the order described in the following procedure 1 Make sure any covering placed over the PV array is removed 2 Connect the grid voltage to the Sunny Boy by switching on the main AC circuit breaker in the main utility panel 3 Switch the SMA DC Disconnect to position labeled as
26. sizing Use the free design programs Solar Design Tools at www SMA America com to determine the correct string configuration Connection requirements of the utility operator Always observe the connection requirements of your grid operator The maximum cable lengths relative to the conductor cross section are shown in the following table Conductor cross Maximum cable length section SB 8000TL US SB YOOOTL US SB 10000TL US 2 AWG 35 mm 184 ft 56 m 164 ft 50 m 148 ft 45 m 194 F 90 C copper cable 4 AWG 25 mm 115 ft 35 m 103 ft 31 m 92 ft 28 m 194 F 90 C copper cable 6 AWG 16 mm 72 ft 22 m 65 ft 20 m 58 ft 18 m 194 F 90 C copper cable il Use only solid or stranded wire but not fine stranded wire e Ambient temperature The higher the ambient temperature the higher are the power losses Use cables with a large cross section at installations with high ambient temperatures e Routing method The cables heat up during operation If there are several cables in a cable conduit the temperature of all cables increases Use cables with a large cross section if you lay several cables in one cable conduit A Codvciorcrosssecion fe 2AWG 16 35 mm Bo srenti in 18 mm 32 SB8 1OTLIUS10381 1 Installation Guide SMA America LLC Electrical Connection Load disconnection unit You must install a separate line circuit breaker for each inverter in order to
27. the following manner 1 Open the DC Disconnect as described in section 8 3 Opening SMA DC Disconnect page 50 2 Inspect the varistors for discoloration or other signs of visual damage If varistors are discolored or damaged you must replace them Always replace the entire set of varistors Refer to the section 6 4 Page 30 for the position of the varistors NOTICE Destruction of the inverter due to overvoltage can result If varistors are missing the inverter is no longer protected against overvoltages e Procure replacement varistors as soon as possible and replace the defective ones immediately Do not operate inverters with faulty varistors or no varistors at all il You must order an AC varistor replacement kit from SMA e See section Accessories Page 70 for the order number 3 Insert an insertion tool into the openings of the terminal contacts 1 MI The terminal clamps loosen If you do not receive an insertion tool for operating l the terminal clamps with vour replacement varistors Open the individual terminal contacts using a 3 5 mm screwdriver Remove the varistor 2 5 Insert a new varistor 3 6 Close the DC Disconnect as described in section 8 4 Closing SMA DC Disconnect page 51 MM The check and replacement of the varistors is completed Installation Guide SB8 10TLIUS10381 1 57 Decommissioning SMA America LLC 11 Decommissioning 11 1 Disassemblin
28. the message occurs again disconnect the Sunny boy again and contact SMA see section 14 Contact page 71 44 SB8 1OTLIUS10381 1 Installation Guide SMA America LLC Commissioning 7 2 LED Display aa D D D a ke J Overview eren pa a ck ha Hashes quicky 3 x per second Flashes slowly Does not glow Does not glow OK waiting grid 1 x per second monitoring Briefly goes out Does not glow Does not glow Does not glow aa ee Glows continously Not relevant Flashes Not relevant Warning see section 10 1 Installation Guide SB8 TOTL IUS103811 45 Commissioning SMA America LLC Feeding operation After a fault free grid connection of the Sunny Boy it takes approximately one minute until the green LED is continuously on The blink codes shown before only have the purpose of indicating the initialization of the Sunny Boy and the process of checking whether the power supply requirements are fulfilled Disturbance or fault If the Sunny Boy detects a disturbance or error this is indicated through a blink code of the yellow and where applicable the red LEDs For example if the yellow LED glows for 5 seconds immediately after connection then goes out for 3 seconds and then flashes briefly twice there is a grid fault This could be because the AC cable has not been connected correctly or the line circuit breaker has not yet been switched on Blin
29. 1 If there is sufficient sunlight available the Sunny Boy will enter the Wait mode at this time and the green LED will begin to blink B Red LED Ground fault L e Yelow LED Disubane B M If no AC faults are detected the Wait mode will end after 10 seconds and the green LED will Y stop blinking remain on and the Sunny Boy will begin to operate normally If an AC fault is registered the Sunny Boy will wait 5 minutes prior to starting MI Ifthe Sunny Boy is not operating as expected after the commissioning procedure has been completed refer to the user manual MI The meaning of the red LED is described in detail in section 10 Troubleshooting page 55 M If there is adequate solar irradiation and the resulting PV input voltage is greater than 360 V DC the Sunny Boy will automatically begin feeding power to the utility grid 42 SB8 1OTL IUS1O3811 Installation Guide SMA America LLC 7 1 Display Feeding operation Commissioning After fault free grid connection of the Sunny Boy it takes approximately one minute until the following display messages are shown alternately The display messages shown before only have the purpose of indicating the initialization of the Sunny Boy and the process of controlling whether the power supply requirements are fulfilled The energy generated today and the current operating mode are displayed first After 5 seconds or by tapping
30. Guide SMA America LLC Dimensions of the wall mounting bracket lt 17 3 4 in 450 mm Mounting k eon If Golu 53 Im PI 50 lm a a rd A Fi y A Fa EN Soc 5 y A E E 2 13 4 in es 36 mm v y Installation Guide SB8 10TLIUS10381 1 21 Mounting SMA America LLC 5 3 1 Possibilities for mounting the wall mounting bracket Mounting on stone wall Attach the wall mounting bracket with a minimum of 3 screws The position of the screws on the wall mounting bracket is as follows e 1 screw on the upper left side e 1 screw on the upper right side e 1 screw below Mount the wall mounting bracket as described in section 5 3 2 Mounting the wall mounting bracket page 23 Mounting on a wooden wall with a stud or on a pillar Attach the wall mounting bracket with 3 screws The position of the screws on the wall mounting bracket is as follows e 2 screws on the upper middle e 1 screw below Mount the wall mounting bracket as described in section 5 3 2 Mounting the wall mounting bracket page 23 Mounting on a wooden wall with two studs Attach the wall mounting bracket with 4 screws The position of the screws on the wall mounting bracket is as follows e 2 screws on the upper left side e 2 screws on the upper right side Use the four external mounting screws on the left
31. NOTICE Excessive voltages can destroy the measuring device e Only use measuring devices with a DC input voltage range up to at least 600 V 2 Measure the voltages between the plus and minus pole of a string against the ground potential If voltage is found there is a ground fault in the corresponding string 1 DANGER In case of a ground fault the PV generator may carry high voltages Risk of lethal electric shock Do not touch the frame of the PV generator Do not touch PE Wait until no voltage can be measured Do not connect strings with ground faults to the Sunny Boy The approximate position of the ground fault can be determined from the ratio of the measured voltages between plus against ground potential and minus against ground potential Example V 40V V 60V 20 V 20 V The ground fault is between the second and third module in this case 3 Repeat step 2 for each string Fix the ground fault in the affected string 5 Restart the Sunny Boy as described in section 8 2 Closing the Sunny Boy page 49 56 SB8 10TLIUS103811 Installation Guide SMA America LLC Troubleshooting 10 1 1 Inspecting and changing the varistors Varistors are designed according to the expected product use Their functionality may diminish with following repeated responses as a result of overvoltages It is therefore possible that one of the varistors has lost its protective function You can inspect the varistors in
32. art or all of the SMA equipment and or other equipment connected to the SMA equipment or personal injury 1 DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury i WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury i CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injurv NOTICE NOTICE is used to address practices not related to personal injurv A SB8 10TLIUS10381 1 Installation Guide SMA America LLC Important Safety Instructions Other symbols in this document In addition to the safety and hazard symbols described on the previous pages the following symbol is also used in this installation manual Information This symbol accompanies notes that call attention to supplementary information that you must know and use to ensure optimal operation of the system Markings on this product The following symbols are used as product markings with the following meanings Warning regarding dangerous voltage The product works with high voltages All work on the product must only be performed as described in it s documentation Electric arc hazards The product has large electrical potential differences between its conductors Arc flashes can occur through air when high voltage current flows Do not work on the product during operation
33. ation permission 2 2 Safety instructions 1 DANGER During operation high voltages are present in the Sunny Boy Death or serious injury due to electric shock All work on the Sunny Boy must only be carried out by qualified personnel Work on the Sunny Boy may only be carried out as described in this manual Observe all safety instructions listed on the Sunny Boy in this manual and of all components of the PV plant i WARNING The Sunnv Bov becomes hot during operation Risk of burn e Do not touch the enclosure during operation e Onlv touch the lid during operation 14 SB8 1 OTLIUS10381 1 Installation Guide SMA America LLC The Sunny Boy 3 The Sunny Boy 3 1 Parts of the Sunny Boy Description Ergonomic handles Display Fans A O 00000050 LI OO So A MPE A lI 4 I oom So isol lool OO 7 a l 2 Position Desio O OOOO O O A Tiype labo
34. ators using AC and DC disconnectors You must provide an AC circuit breaker The SMA DC Disconnect is included in the delivery of the Sunny Boy and must be used for operating the inverter Grounding the PV modules The Sunny Boy 8000TL US YOOOTL US and 1OOOOTLUS is a transformerless inverter That is why it has no galvanic separation Do not ground the DC circuits of the PV modules connected to the Sunny Boy Only ground the mounting frame of the PV modules If you connect grounded modules to the Sunny Boy the error message F Riso is displayed During operation the DC circuit is connected to the AC grid 12 SB8 1OTL IUS1O3811 Installation Guide SMA America LLC Safety Fuses No string fuses are provided with the Sunny Boy or the SMA DC Disconnect In accordance to 2008 National Electrical Code section 690 35 string fuses are required to protect the installation from reverse currents String fuses can be installed in the SMA Sunny Boy Combiner Box Refer to the appropriate manual for detail information You can get more information about the Sunny Boy Combiner Box at www SMA America com Principle of a PV plant with a Sunny Boy Description PV modules Sunny Boy Combiner Box Sunny Boy with SMA DC Disconnect AC load circuit breaker Load Energy meter Utility grid The Sunny Boy may only be operated with PV generators modules and cabling with protective insulation Do not connect any sources of energy other than PV
35. damage the sensitive electronic components MM The Sunny Boy is open 48 SB8 1OTL IUS1O3811 Installation Guide SMA America LLC Opening and closing 8 2 Closing the Sunny Boy 1 Check wire routing to ensure that no wires can interfere with proper sealing of the lid and that no pressure will be exerted on the connections when the lid is replaced 2 Locate the six screws and lock washers you removed to take the lid off the Sunny Boy Make sure you have all six screws and lock washers as all of this hardware is necessary to ensure proper grounding and a weather tight seal 3 Check the seal on the inside of the lid to ensure it is undamaged and in correct position Carefully position the lid on the front of the Sunny Boy Align the six holes in the lid correctly with the six threaded holes in the case 5 Hold the lid in place Insert the six screws with lock washers through the holes in the lid into the threaded holes of the enclosure The toothing of the washers must face toward the lid 6 Turn the screws finger tight Do not use power tools to tighten the screws Electric shock due to touching the ungrounded lid Death or serious injury possible e When tightening the lid ensure the proper grounding of the lid e The toothed washers ground the lid 7 Tighten the screws clockwise with a torque of 53 in lbs 6 Nm torque Refer to the order shown to the right M The Sunny Boy is closed Installation
36. e fuse element the Sunny Boy can be damaged e Only use a load disconnecting switch or a line circuit breaker as a load disconnecting unit Installation Guide SB8 10TLIUS103811 33 Electrical Connection SMA America LLC 6 5 2 Connect the AC cable in the DC Disconnect 1 Open all AC and DC circuit breakers or load disconnecting switches 2 Open the main fuse in the fuse box 3 Remove the screws on the fuse box cover 4 Remove the fuse box cover toward the front 5 Ensure that there is no voltage between the fuse output and the ground bar Use a multimeter The voltage must be O V 6 Break outa 1 in 25 4 mm knockout from the underside of the fuse box 7 Lay acable conduit from the fuse box to the DC Disconnect see chapter 6 3 Insert the cable into the SMA DC Disconnect page 29 8 Place the cover back onto the fuse box Tighten the screws 10 Open the DC Disconnect as described in section 8 3 Opening SMA DC Disconnect page 50 11 Lead the AC cable through the cable conduit from the inside of the fuse box into the inside of the DC Disconnect i CAUTION Ground faults unreliable and resistive connections due to faulty wire nuts e Avoid using wire nuts to join any wires together or to make any connections anywhere in the PV system 12 Open the screw terminals completely by turning the screws counterclockwise with a flat head screwdriver 13 Connect the AC equipment ground wire A
37. esented 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 is under license SMA America LLC 3801 N Havana Street Denver CO 80239 U S A Installation Guide SB8 TOTL IUS103811 3 Important Safety Instructions SMA America LLC IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions for Sunny Boy US inverter that must be followed during installation and maintenance of the inverter The Sunny Boy is designed and tested according to international safety requirements but as with all electrical and electronic equipment certain precautions must be observed when installing and or operating the Sunny Boy To reduce the risk of personal injury and to ensure the safe installation and operation of the Sunny Boy you must carefully read and follow all instructions cautions and warnings in this installation 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 p
38. g bracket 26 6 Electrical Connection cece cece eee e ences 27 6 1 fe EEEE eas awn ATT TETERE 2 Installation Guide SB8 TOTL IUS103811 Table of Contents SMA America LLC 6 2 6 3 6 4 6 5 6 5 1 6 5 2 6 5 3 6 6 6 6 6 6 2 6 7 7 A 7 2 Fat 8 8 1 8 2 8 3 B A 9 9 1 9 1 1 7 12 9 2 9 2 1 10 10 1 Wiring Diagram with SMA DC Disconnect and Combiner Box 28 Insert the cable into the SMA DC Disconnect 29 Sunny Boy connection area overview 006 30 AG COMMCCHON sald Soee adie sda eee ees eee 31 AC cable requirements EEE E E E 32 Connect the AC cable in the DC Disconnect 0002200 34 Connecting the AC cable in the Sunny Boy 0 0 0 en 35 DC COMECON 6 4 45 newer nese ort e 37 DC connection E EEEE EEE 38 Connecting the DC cable cc irri iiikikenzzoj ir sale a re i ite gt 38 OMmMUNEG OM L sa a al ke ar Sr bla de Sakae ee Ble woe 4 COMMISSIONING sssssssssssss esses 42 Dish dy ith a e a a ae irene ECCE 43 LED DISA seb aaar OEE 45 Setting the display language 00 eee eens 47 Opening and closing Lee 48 Opening th Sunny BOV 233 se i kd b bb Sex 48 Closing the Sunny Boy ili tabita anaana eaaa 49 Opening SMA DC Disconnect oaan anana ce eee ee 50 Closing SMA DC Disconnect 0 0 e 51 MGINTONGNCE 4 6000 54 3a eerie ara aes a n a 52 Checking heat dissipation b 6 och dua b b a A ii hu 52 Gian ati a es nes
39. g the Sunny Boy and SMA DC Disconnect l 6 7 8 58 Open the Sunny Boy as described in section 8 1 Opening the Sunny Boy page 48 Remove all connector cables from the Sunny Boy Close the Sunny Boy with the six screws and the corresponding washers Open the SMA DC Disconnect as described in section 8 3 Opening SMA DC Disconnect page 50 Open the terminals and remove all cables from the SMA DC Disconnect i CAUTION Falling of the Sunnv Bov mav cause injuries Crushing of bodv parts will result e Take the weight of the Sunny Boy into account when dismounting Remove both screws on the left and right side of the Sunny Boy that attach it to the wall mounting bracket Remove the Sunny Boy upwards in a vertical position from the wall mounting bracket Transport the Sunny Boy between two persons using the side handles above and below or Put a steel bar with a maximum diameter of 1 Ue in 30 mm through the enclosure opening above and transport it between two people SB8 1OTL IUS1O3811 Installation Guide SMA America LLC Decommissioning 9 Remove the screws left and right on the SMA DC Disconnect which attach it 11 2 Packaging If possible always pack the Sunny Boy and the SMA DC Disconnect in the original packaging If this is no longer available use a similar box with a handle system which can withstand the weight of the Sunny Boy and
40. he AC ground from the utility via the Ground Terminal PE see 6 4 Sunny Boy connection area overview page 30 PV grounding The PV array frame ground must be connected to the grounding electrode terminal see 6 4 Sunny Boy connection area overview page 30 The size for the conductor is usually based on the size of the largest conductor in the DC system DC grounding electrode conductor A DC grounding electrode conductor may be required by the Authority Having Jurisdiction AHJ Use the PV grounding and DC grounding electrode conductor terminal see 6 4 Sunny Boy connection area overview page 30 Installation Guide SB8 10TLIUS10381 1 27 Electrical Connection SMA America LLC 6 2 Wiring Diagram with SMA DC Disconnect and Combiner Box For operating the Sunny Boy the provided SMA DC Disconnect must be used Combiner Box GROUND MAIN L1 12 NEUTRAL Breaker size 2p 50 Ampl yams JOBUUODSIG DV J D ACIN L1 L2 N PES Terminal for frame grounding AC Distribution Panel Earth Ground Eqipment Grounding DC Disconnect To grounding electrode 28 SB8 1OTLIUS10381 1 Installation Guide SMA America LLC Electrical Connection 6 3 Insert the cable into the SMA DC Disconnect NOTICE Ingress of water when mounting and installing the Sunny Boy Damage to the Sunny Boy will result e For conduit hubs use only UL Listed rainproof
41. he SMA DC Disconnect C to fasten the lid The teeth of the washer must face toward the lid in order to ensure proper grounding Tighten the screw to a torque of 44 in lbs 5 Nm Installation Guide SB8 10TLIUS10381 1 51 Maintenance SMA America LLC 9 Maintenance 9 1 Checking heat dissipation 9 1 1 Cleaning the fans If the fan guards are only dirtied with loose dust they can be cleaned with a vacuum cleaner If you do not achieve satisfactory results with a vacuum cleaner dismantle the fan for cleaning To do so proceed as follows 1 Disconnect the Sunny Boy from both the DC and AC connections as described in section 8 1 Opening the Sunny Boy page 48 2 Wait for the fans to stop rotating Cleaning the fan guards 3 Push the two latches at the right edge of the black plastic cover to one side Remove it carefully with the fan guards mounted behind it 4 Clean the fan guard with a soft brush a paint brush a cloth or compressed air Cleaning the fan 5 Press the front latches backwards and the rear latches forwards 6 Remove the fan by pulling it slowly and carefully downwards 7 Unlock and remove the plugs The fan cables are long enough for lifting the fans far enough out to disconnect the internal plugs in the Sunny Boy 8 Remove the fan and clean it with a soft brush a paint brush or a cloth and water Do not use compressed
42. i PV Inverter SUNNY BOY 8000TL US 9OOOTL US 10000TL US Installation Guide SB8 1 OTL IUS103811 IMUS SB8 TOTLUS Version 1 1 SMA America LLC Legal Restrictions Copyright 2010 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 SMA America LLC makes no 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 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 reserves 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 pr
43. its centered on the wall bracket 5 Screw the Sunny Boy onto the wall mounting bracket on both sides using the screws provided 6 Tighten the screws clockwise with a torque of MA in lbs 5 Nm 7 Check that the unit is securely in place 8 Put the handle covers over the handles The air grills are marked rechts right and links left on the interior for proper assignment The air grills prevent dirt and insects from entering the device and if necessary can be reordered from SMA America 13 Accessories page 70 MM The Sunny Boy is mounted 26 SB8 1OTL IUS1O3811 Installation Guide SMA America LLC Electrical Connection 6 Electrical Connection 6 1 Safety NOTICE Ingress of water when mounting and installing the Sunny Boy Damage to the Sunny Boy will result e Do not open the Sunny Boy when it is raining or when high humidity is present gt 95 NOTICE Touching the components can result in electrostatic discharges Damage to components will result e Ground yourself before touching a component Electrical installations All electrical installations must be done in accordance with all local electrical codes and the National Electrical Code ANSI NFPA 70 For installation in Canada the installations must be done in accordance with applicable Canadian standards AC grounding The Sunny Boy must be connected to t
44. k code 5s 3s Explanation of the blink codes For a detailed description of the blink codes see the provided Sunny Boy user manual 46 SB8 1OTLIUS10381 1 Installation Guide SMA America LLC Commissioning PV overvoltage Yellow LED flashes 4 times quickly in succession Blink code NOTICE Excessive DC voltage can destroy the Sunny Boy e Open all AC and DC circuit breakers or load disconnecting switches Check DC voltage e Greater than 600 V Contact the planner installer of the PV generator for assistance e Lower than 600 V Reconnect the Sunny Boy to the PV generator as described in section 6 6 DC connection page 37 If the message occurs again disconnect the Sunny boy again and contact SMA America see section 14 Contact page 71 7 3 Setting the display language You can set the language of the display using the switches on the underside of the display assemblies inside the Sunny Boy Proceed as follows Open the Sunny Boy as described in section 8 1 Opening the Sunny Boy page 48 2 Set the switches for the required language as shown below Switch S2 Switch S1 Geman b b aooo ooo b oooooo m eo o hao O l i EEEE 900000 3 Close the Sunnv Bov as described in section 8 2 Closing the Sunny Boy page 49 M The display language is set Ins
45. lly or toggle bolts to mount the Sunny Boy to sheet rock or panelling Installation Guide SB8 10TLIUS10381 1 23 Mounting SMA America LLC 24 Tip for installing The diameter of the holes you drill must match the hardware you are using to mount the Sunny Boy For example if you are mounting the Sunny Boy to a concrete wall the hole diameter should be approximately the same as the outside diameter of the concrete anchors you intend to use If you are mounting the Sunny Boy on a wall that has wooden studs inside it the hole diameter must be the correct size for the lag screws you intend to use to mount the bracket It is recommended that the lag screws be made of stainless steel and the diameter of the screws closely match the diameter of the holes in the wall mounting bracket Make sure that the screws are long enough to penetrate the wall to a depth of 1 in Insert the screws through the holes in the wall mounting bracket and into the drill holes Tighten the screws clockwise until the bracket is held firmly against the wall Do not overtighten the screws The wall mounting bracket is mounted SB8 1 OTLIUS10381 1 Installation Guide SMA America LLC Mounting 5 4 Mounting the SMA DC Disconnect Dimensions of the SMA DC Disconnect j dob pt Otat O
46. modules to the Sunny Boy Capacitive discharge currents PV modules with large capacities relative to ground such as thin film modules with cells on a metallic substrate are only to be implemented if their coupling capacity does not exceed 2 pF During grid feeding a discharge current flows from the cells to ground The amount of current depends on the manner in which the modules are installed e g foil on metal roof and on the weather rain snow This normal discharge current may not exceed 50 mA due to the fact that the inverter would otherwise automatically disconnect from the grid as a protective measure Installation Guide SB8 10TLIUS10381 1 13 Safety SMA America LLC PV plant design When designing the PV plant ensure that the values comply with the permitted operating range of all components at all times The free design programs Solar Design Tools www SMA America com will assist you The manufacturer of the PV modules must have approved the modules for use with this Sunny Boy device The Sunny Boy 8000TL US YOOOTL US and 10000TL US is a transformerless inverter That is why it has no galvanic separation e The PV modules must be rated for at least the maximum PV system voltage Do not use the Sunny Boy for purposes other than those described here Alternative uses modifications to the Sunny Boy or the installation of components not expressly recommended or sold by the manufacturer void the warranty claims and oper
47. ngs on the Sunny Boy in this installation manual Before connecting the Sunny Boy to the electrical utility grid contact the local utility company This connection must be made only by qualified personnel Wiring of the Sunny Boy must be made by qualified personnel only 6 SB8 1 OTLIUS10381 1 Installation Guide SMA America LLC Table of Contents Table of Contents L Notes on this manual 11 1 1 Ai ol a ON 11 1 2 TAGE 00 o olla ages ceseee acs 1 1 3 Storage of the manuals LLL 0 00 c eee eee eee 11 1 4 Additional information 0 0 sse 11 1 5 Nomencidiiie s wi eu ged a IT a aa 11 2 Salley ee eee Tee a ee es ee a ee 12 2 1 Approplidie Usage s et ss i er inaconnee tees 12 22 Safety instructions 0 0 ccc eens 14 3 The SUNNY BOY se0s32chote set aeieasaeiewteeneees 15 3 1 Parts of the Sunny Boy LL 15 32 Position Ol INn LODCloxacccdmpacuuiman eee cee ame A 15 3 3 Identifying the Sunny Boy 0 0 c cece eee 16 4 Unpacking and inspection seen 17 4 1 Scope of delivery vias aK An e Kaeo dt Sek Ala ewes 17 5 M g i aoe ah he ae 18 5 1 O ee er EE a a at EA 18 5 2 Selecting the mounting location n n on nnana anaana 19 5 3 Mounting the Sunny Boy with the wall mounting bracket 20 5 3 1 Possibilities for mounting the wall mounting bracket 000 22 5 3 2 Mounting the wall mounting bracket 23 5 4 Mounting the SMA DC Disconnect 2 25 5 5 Mounting the Sunny Boy onto the wall mountin
48. on the housing lid the current feed in output and the PV voltage appear After a further 5 seconds or when you tap again the total energy produced and the time the Sunny Boy has been connected to the grid are displayed Then the cycle begins again Disturbance If a disturbance occurs the message Disturbance will be shown in the status bar The exact failure message follows For example if the grid fault message shown here is displayed immediately after connection it may be due to the fact that the AC wire is not correctly connected or the circuit breaker is not switched on yet If a non standard compliant measured value is responsible for the disturbance then the value measured at the time of the fault is displayed If another measurement is possible the present value is displayed in the second line Refer to the delivered user manual of the Sunny Boy to read the exact explanations for the error and status messages Installation Guide SB8 10TLIUS10381 1 A3 Commissioning SMA America LLC PV overvoltage NOTICE Excessive DC voltage can destroy the Sunny Boy e Open all AC and DC circuit breakers or load disconnecting switches Check DC voltage e Greater than 600 V Contact the planner installer of the PV generator for assistance e Lower than 600 V Reconnect the Sunny Boy to the PV generator as described in section 6 6 DC connection page 37 e If
49. or wet location hubs complying with UL 51AB for entry into the enclosure Inserting the cable into the SMA DC Disconnect 1 Open the SMA DC Disconnect see chapter 8 3 Opening SMA DC Disconnect page 50 2 Break out the knockouts for the AC and DC cables Use separate cable conduits for the AC and the DC cables NOTICE Damage to the SMA DC Disconnect due to enlargement of the knockout holes e Do not enlarge the knockout holes The knockout holes are intended for the installation of inflexible cable conduits of a size of up to 1 in 25 4 mm 3 Insert the cable conduit fittings into the knockout holes 4 Pull the cable conduits into the fittings and tighten them 1 DANGER High voltages are present on the AC and DC cables Death or serious injuries due to touching the voltage conducting cables Turn off the main switch in the switch cabinet Cover the PV modules with opaque material Pull the AC and DC cables through the cable conduits into the SMA DC Disconnect The cables are inserted into the SMA DC Disconnect SN amp amp Installation Guide SB8 10TLIUS10381 1 29 Electrical Connection SMA America LLC 6 4 Sunny Boy connection area overview In the following overview illustration there is a schematic representation of the connection area of an open Sunny Boy with SMA DC Disconnect A B CD c G0o0odso 2 OO O ITI omma e O OO Fr Ex ae
50. present inside the DC cables Death or serious injury will result when damaging a DC cable or touching a DC conductor e You have to connect the DC cables from the PV array to the Sunny Boy in the order described in this manual 1 Lay a cable conduit from the Sunny Boy Combiner Box to the SMA DC Disconnect see chapter 6 3 Insert the cable into the SMA DC Disconnect page 29 E Wey 13 A High voltage is present in PY modules exposed to light Death due to electric shock when touching a DC conductor e During installation cover the PV modules with opaque material Follow all safety instructions of the PV module manufacturer Open the SMA DC Disconnect as described in section 8 3 Opening SMA DC Disconnect page 50 4 Lead the AC cable through the cable conduit into the inside of the SMA DC Disconnect 38 SB8 10TLIUS103811 Installation Guide SMA America LLC i CAUTION Electrical Connection Ground faults unreliable and resistive connections due to faulty wire nuts e Avoid using wire nuts to join any wires together or to make any connections anywhere in the PV system Open the screw terminals completely by turning the screws counterclockwise with a flathead screwdriver Connect the grounding electrode conductor to the grounding electrode conductor terminal B Optional Connect the PV frame grounding to the grounding electrode conductor terminal A Tighten the screw terminal
51. r to avoid power reduction due to excessive heating In a living area do not mount the unit on a plasterboard walls or similar in order to avoid audible vibrations The Sunny Boy can emit noises when in use which can be regarded as a nuisance S Installation Guide SB8 10TLIUS10381 1 19 Mounting SMA America LLC e Observe the minimum clearances to walls other devices or objects as shown in the diagram in order to guarantee sufficient heat dissipation Postion dearan ie 12 in G0em 7 7 Right fi inBOeml Front fe oo il Multiple Sunny Boy units installed in areas with high ambient temperatures The individual Sunny Boy units must be far enough apart to ensure that the individual Sunny Boy units do not take in the cooling air of the neighboring unit If necessary increase the clearances and make sure there is enough ventilation to ensure sufficient cooling of the Sunny Boy units 5 3 Mounting the Sunny Boy with the wall mounting bracket The Sunny Boy is shipped with a T shaped wall mounting bracket that is suitable for use with most walls The horizontal part of the bracket has 12 holes Make sure that the wall you choose to mount the Sunny Boy on is plumb and sturdy enough to support the weight over a long period of time Be sure to use the appropriate type of mounting hardware for the wall material Ensure that the hardware is no smaller than in 20 SB8 1OTLIUS10381 1 Installation
52. rid Energy flows into the house grid The consumers connected for example household devices or lighting consume the energy The energy left over is fed into the public grid When the Sunny Boy is not generating any energy e g at night the consumers which are connected are supplied by the public grid The Sunny Boy does not have its own energy meter When energy is fed into the public grid the energy meter spins backwards Public grid Energy is fed directly into the public grid The Sunny Boy is connected to a separate energy meter The energy produced is compensated at a rate depending on the electric power company Stand alone grid The Sunny Boy is connected to a stand alone grid A stand alone grid is a grid which is not connected to a public grid The Sunny Boy needs a grid forming generator for example a Sunny Island in order to function The energy generated is consumed directly on site surplus energy can be stored in batteries Policies vary from one utility company to another Consult with a representative of the local utility company before designing and installing a PV system Unbalanced load The Sunny Boy inverters 8000TL US 9OOOTL US and 10000TL US generate a power exceeding 6 kVA To prevent a situation of unbalanced loads between phases ensure that the inverters are installed in sets of 3 connected to L1 L2 L1 L3 and L2 L3 AC and DC disconnectors Separate the Sunny Boy securely from the grid and the PV gener
53. s clockwise with a torque of AO in lbs 4 5 Nm Verify that all connections are correctly wired and properly torqued Pull on the cable in order to make sure that it is sufficiently fixed in the terminal 7 B 6 x O u OOO ES Boo EJ GE 6 O O 8 Oo e d 88 8 fs me OO B50 ask E ka FJ 1 o l l 0 ezz i i PB n R H H p als MI The DC cables are now connected in the SMA DC Disconnect Check the connection cables of the PV modules for correct polarity and to make sure that the maximum input voltage of the Sunny Boy is not exceeded Open the screw terminals completely by turning the screws counterclockwise with a flat head screwdriver Connect the negative DC wires A to the terminal labeled in the SMA DC Disconnect Connect the positive DC wires A to the terminal labeled in the SMA DC Disconnect PIO IK Oy tA O lm A DC
54. s the assembly installation commissioning and maintenance of the following SMA inverters e Sunny Boy 8000TL US SB 8000TLUS 10 e Sunny Boy YOOOTL US SB 9OOOTLUS 10 e Sunny Boy 10000TL US SB TOOOOTL US 10 This manual does not cover any details concerning equipment connected to the Sunny Boy e g PV modules Information concerning the connected equipment is available from the manufacturer of the equipment 1 2 Target group This manual is for qualified personnel Qualified personnel have received training and have demonstrated skills and knowledge in the construction and operation of this device Qualified personnel are trained to deal with the dangers and hazards involved in installing electric devices 1 3 Storage of the manuals Keep all Sunny Boy manuals in a convenient place for future reference 1 4 Additional information You will find further information on special topics in the download area at www SMA America com 1 5 Nomenclature In this document SMA America Production LLC is referred to in the following as SMA The syntax specified here for menus and parameters applies throughout the entire manual Installation Guide SB8 10TLIUS10381 1 1 Safety SMA America LLC 2 Safety 2 1 Appropriate Usage The Sunny Boy is a PV inverter that converts DC current from PV generator into AC current The Sunny Boy is suitable for mounting indoors and outdoors You can use the AC current generated as follows House g
55. tallation Guide SB8 TOTL IUS103811 A7 Opening and closing SMA America LLC 8 Opening and closing NOTICE Electrostatic discharges Internal components of the Sunny Boy can be irreparably damaged by electrostatic discharge e Ground yourself before you touch a component 8 1 Opening the Sunny Boy 1 DANGER During operation high voltages are present in the Sunny Boy Death or serious injury due to electric shock Open the Sunny Boy in the order described in the following procedure 1 Disconnect all AC and DC circuit breakers or load disconnecting switches Ensure they cannot reconnect accidentally 2 Wait alt least for 5 minutes for any residual voltages to dissipate Remove the six screws and lock washers from the enclosure lid Pull the lid forward smoothly Place the lid screws and washers aside They will be out of your way while you are connecting wires and cables to the Sunny Boy NOTICE Ingress of water into the open Sunny Boy Damage to the Sunny Boy will result Do not open the Sunny Boy when it is raining or when high humidity is present gt 95 Be careful not to misplace the screws or the washers All six screws and lock washers are required to ensure that the lid is grounded properly and is fully sealed to the case Handle the lid carefully Even minor damage to the lid could result in an inadequate seal between the lid and the enclosure thus allowing moisture to enter the case and
56. ters are checked before shipping and packaged in sturdy boxes However the sturdy boxes do not guarantee that damage will not occur during shipping and delivery It is important to carefully inspect the shipping box and contents prior to installation If you detect any external damage after unpacking report the damage immediately to your SMA dealer and to the shipping company that delivered the unit If it becomes necessary to return the Sunny Boy use the original packing material 4 1 Scope of delivery Position Number Description 1 sonny oy a Wall mounting bracket Spare screw and spare washer for closing the Sunny Boy lid Screws and washers for fastening the Sunny Boy to the wall mounting bracket Spare jumpers for fan test Handle covers left and right MA DC Disconnect type DC DisconTL US 1 0 Screw and washer for closing the DC Disconnect lid Screws and washers for fastening the DC Disconnect to the wall mounting bracket il If not ordered differently the SMA Sunny Boy Combiner Box is included in the scope of delivery as a standard feature Refer to the appropiate manual for detail information Installation Guide SB8 10TLIUS10381 1 17 Mounting SMA America LLC 5 Mounting 5 1 Safety 1 DANGER Danger to life due to fire or explosions There is always a certain risk with electric devices that a fire can occur even though greatest attention was paid to avoiding this during the development
57. the SMA DC Disconnect and can be closed fully 11 3 Storage Store the Sunny Boy and the SMA DC Disconnect in a dry place where ambient temperatures are always between 13 F 140 F 25 C 60 C 11 4 Disposal Dispose the Sunny Boy and SMA DC Disconnect at the end of its service life in accordance with the disposal regulations for electronic scrap which apply at the installation site at that time Alternatively send it back to SMA with shipping paid by sender and labeled FOR DISPOSAL contact see Page 71 Installation Guide SB8 10TLIUS10381 1 59 Technical data SMA America LLC 12 Technical data Specifications subject to change without notice Values at nominal conditions 12 1 Sunny Boy 8000TL US PV generator connection data Maximum DC power 8 300 W Maximum array input power DC STC 10 000 W Maximum DC voltage 600 V Peak power track voltage 300 V 480 V Number of MPP Trackers 1 OptiTrac Grid connection data Nominal AC power 8 000 W Maximum AC current Nominal AC voltage Nominal AC voltage range Nominal AC frequency Nominal AC frequency range AC connection power balancing Ground fault monitoring R Iso yes Protection Devices DC reverse polarity protection yes short circuit diode AC short circuit protection yes software controlled oer Grid monitoring SMA Grid Guard 2 yes 60 SB8 1OTL IUS1O3811 Installation Guide SMA America LLC Technical data Equipment
58. trical wiring diagram of a PV system System 208 V 60 Hz i WARNING Danger of fire due to overheating e Fuse all DC und DC wires of the strings connected to the DC Disconnect e Observe 2008 National Electrical Code section 690 35 Installation Guide SB8 10TLIUS10381 1 37 Electrical Connection SMA America LLC 6 6 1 DC connection requirements Cable sizing All electrical installations must be done in accordance with all local electrical codes and with the National Electrical Code ANSI NFPA 70 For installation in Canada the installations must be done in accordance with applicable Canadian standards When selecting the type and cross section of the cable in accordance with the routing method observe the following requirements e For all DC wiring connections to the string combiner box use 10 6 AWG 6 16 mm 194 F 90 C rated copper wire National Electrical Code 690 35 e For DC wiring connection between the string combiner box and the inverter use min 8 AWG 10 mm2 194 F 90 C rated copper wire National Electrical Code 310 16 e Use only solid or stranded wire but not fine stranded wire il Use the free design programs Solar Design Tools at www SMA America com to determine the correct string configuration 6 6 2 Connecting the DC cable l DANGER High voltage is
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