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Installation Manual / SUNNY BOY 240 / SUNNY MULTIGATE

1. 108 mm E 313A i m E 3 es ae 162 mm Y Figure 13 Dimensions of the Sunny Multigate and the drill holes for mounting with screws SMA SB240 lA en 12 27 Installation Manual 5 Mounting SMA Solar Technology AG 5 4 Mounting the Sunny Multigate 5 4 1 Mounting the Sunny Multigate on the Top Hat Rail Additionally required mounting material not included in the scope of delivery L1 Distribution box complying with the installation site requirements according to degree of protection IP20 L1 Top hat rail DIN rail suitable for the distribution box width 35 mm length 235 mm Procedure 1 For mounting on a top hat rail attach the Sunny Multigate to the top hat rail from above and hook it in MI The Sunny Multigate snaps into place 2 Make sure that the Sunny Multigate is securely in place 5 4 2 Mounting the Sunny Multigate on the Wall Additionally required mounting material not included in the scope of delivery L1 Distribution box complying with the installation site requirements according to degree of protection IP20 O Four screws suitable for the size of the press out brackets of the Sunny Multigate and for the material of the distribution box The maximum permissible height of the screw head of 6 mm must not be exceeded Procedure l WARNING Danger to life due to electric shock If screws or conductors on the connecting terminal plate are touched there is a risk o
2. Delta IT When using in these networks the grounding conductor monitoring must be deactivated and an additional grounding connected to the inverter IEC 62109 2 This standard requires that the PV system is connected to Sunny Portal and that the fault alert is activated in Sunny Portal 70 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG Climatic Conditions As per IEC 60721 3 4 installation type C class 4K1 Extended temperature range 14 Technical Data 40 C to 45 C Extended humidity range 0 to 100 Extended air pressure range 79 5 kPa to 106 kPa As per IEC 60721 3 4 transport type E class 2K3 Temperature range 25 C to 70 C Features Power line communication to inverters As standard Speedwire Webconnect communication to As standard SMA communication products RJ45 Display of the PV system and communication sta 2 LEDs tus Torques Screw terminals 0 6 Nm Data Storage Capacity Energy yield over the day per inverter At least 63 days Daily yields per inverter Event messages of the Sunny Multigate for users At least 30 years At least 1 024 events Event messages of the Sunny Multigate for in stallers At least 1 024 events Event messages per inverter for users At least 256 events Event messages per inverter for installers 14 4 Torques of AC Field Plugs At least 256 events Screw in insulator 0 8 Nm Scre
3. The inverter is no longer in grid parallel operation and has stopped feed in operation for safety reasons Corrective measures e Check the grid connection for significant short term frequency fluctuations 501 Grid fault Grid frequency disturbance 501 The power frequency is not within the permissible range The inverter has disconnected from the utility grid Corrective measures If possible check the power frequency and observe how often major fluctuations occur If fluctuations occur frequently and this message is displayed often contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid operator gives his approval discuss any changes to the operating parameters with the SMA Service Line 58 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 11 Troubleshooting Event Event cause and corrective measures number 1001 Installation failure grid connection L N swapped 1001 The conductors L and N are swapped or PE is not connected Corrective measures e Check whether the connecting terminal plates Grid and Inverter of the Sunny Multigate are correctly assigned e Ifthe connecting terminal plates Grid and Inverter are not correctly assigned disconnect the Sunny Multigate from all voltage sources see Section 10 page 50 and connect the conductors L N and PE correctly Once the connecting terminal plates are correctly assign
4. square insertion tool and crow s foot wrench 3 Make sure that the screw connection of the plug enclosure is securely fastened 6 5 Connecting Additional Grounding If a second grounding conductor or equipotential bonding is locally required you can also ground the inverter enclosure This prevents touch current if the original grounding conductor foils You can ground each inverter separately or connect several inverters with one another Procedure Connect the grounding conductor to the equipotential bonding of the AC distribution board 6 6 Connecting the First Inverter to the Sunny Multigate 6 6 1 Connecting the AC Cable to the AC Field Plug or to the Junction Box There are two ways to connect the first inverter to the Sunny Multigate on the AC side Connection with the AC field plug included in the delivery Connection via a junction box with integrated feed through terminal Cabling with AC Field Plug Figure 18 AC cabling of the entire PV system with AC field plug Procedure l A DANGER Danger to life due to electric shock Do not connect the AC field plug under load Make sure that the two pole circuit breaker of the Sunny Multigate is switched off and cannot be reconnected Make sure that the PV modules are covered 36 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 6 Electrical Connection 2 Assemble the AC field plug see Section 6 4 page 33 3 P
5. Contact the SMA Service Line 6406 DC overcurrent Overcurrent input A HW 6406 The current at the module input of the inverter is too high The inverter has interrupted the feed in operation Corrective measures Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range and or whether voltage jumps occur e g by switching on and off large loads If voltage jumps occur or the grid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid voltage is permanently within the permissible range and this message is still displayed contact the SMA Service Line 6415 Self diagnosis gt Interference of device 6305 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line Installation Manual SMA SB240 lA en 12 55 11 Troubleshooting SMA Solar Technology AG Event Event cause and corrective measures number 6450 Self diagnosis Energy transfer not possible Interference device 6450 The inverter cannot feed into the utility grid Possible causes grid voltage is too high a PV module is defective soiled or shaded a cloudy or foggy day Corrective measures 1 Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range If the g
6. Installation Manual SUNNY BOY 240 SUNNY MULTIGATE SMA SB240 IA en 12 Version 1 2 AMERICAN ENGLISH Legal Provisions SMA Solar Technology AG Legal Provisions The information contained in these documents is property of SMA Solar Technology AG Any publication whether in whole or in part requires prior written approval by SMA Solar Technology AG Internal reproduction used solely for the purpose of product evaluation or other proper use is allowed and does not require prior approval SMA Warranty You can download the current warranty conditions from the Internet at www SMA Solar com Trademarks All trademarks are recognized even if not explicitly identified as such A lack of identification does not mean that a product or symbol is not trademarked The BLUETOOTH word mark and logos are registered trademarks of Bluetooth SIG Inc and any use of these marks by SMA Solar Technology AG is under license Modbus is a registered trademark of Schneider Electric and is licensed by the Modbus Organization Inc QR Code is a registered trademark of DENSO WAVE INCORPORATED Phillips and Pozidriv are registered trademarks of Phillips Screw Company Torx is a registered trademark of Acument Global Technologies Inc SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E mail info SMA de 2004 to 2014 SMA Solar Technology AG
7. AC power frequency 50 Hz 60 Hz Operating range at AC power frequency 50 Hz 45 5 Hz to 63 Hz Operating range at AC power frequency 60 Hz 45 5 Hz to 63 Hz Power factor at rated power Feed in phases Installation Manual SMA SB240 lA en 12 69 14 Technical Data SMA Solar Technology AG Connection phases I Overvoltage category as per IEC 60664 1 Ill Protective Devices Overvoltage protection Varistors Maximum permissible fuse protection 16A General Data Width x height x depth without connection area 162 mm x 90 mm x 68 mm Weight 0 75 kg Climatic category in accordance with IEC 4K1 60721 3 4 Environmental category Not air conditioned indoors Pollution degree outside the enclosure 3 Pollution degree inside the enclosure 2 Operating temperature range 40 C to 45 C Maximum permissible value for relative humid 100 ity non condensing Maximum operating altitude above mean sea 3 000 m level Cooling method Convection Degree of protection for electronics in accor IP20 dance with IEC 60529 Protection class in accordance with IEC 61140 Grid configurations TN C grid configuration TN S grid configuration TN C S grid configuration Delta IT Approvals and national standards VDEO126 1 1 VDEAR N 4105 VFR2014 PPC As of June 2014 EN 50438 CZ NEN EN 50438 EN 50438 C10 11 2012 AS 4777 3 RD1699 G83 2 CEIO 21 IEC 62109 2
8. Device type of the Sunny Multigate Serial number of the Sunny Multigate Special country specific settings of the Sunny Multigate if applicable Type and number of PV modules connected Message of the inverter or Sunny Multigate Optional equipment e g communication products Australia SMA Australia Pty Ltd Toll free for Australia 1800 SMA AUS Sydney 1800 762 287 International 61 2 9491 4200 Belgien Bel SMA Benelux BVBA SPRL 32 15 286 730 gique Belgi Mecheln Brasil Vide Espa a Espanha esko SMA Central amp Eastern Europe s r o 420 235 010 417 Praha Chile Ver Espa a Danmark Se Deutschland Tyskland Deutschland SMA Solar Technology AG Medium Power Solutions Niestetal Wechselrichter 49 561 9522 1499 Kommunikation 49 561 9522 2499 SMA Online Service Center www SMA de Service Hybrid Energy Solutions Sunny Island 49 561 9522 399 PV Diesel Hybridsysteme 49 561 9522 3199 Power Plant Solutions Sunny Central 49 561 9522 299 Espa a SMA Ib rica Tecnolog a Solar Llamada gratuita en Espa a S LU 900 14 22 22 Barcelona Internacional 34 902 14 24 24 74 SMA SB240 lA en 12 Installation Manual SMA Solar Technology AG 16 Contact France SMA France S A S Medium Power Solutions Lyon Onduleurs 33 472 09 04 40 Communication 33 472 09 04 41 Hybrid Energy Solutions Sunny Island 33 472 09 04 42 Power Plant Solutions Sunny Centr
9. Links to additional information can be found at www SMA Solar com Document title Document type Micro Inverters in Sunny Portal User Manual Monitoring and Visualization of Micro Inverters in Sunny Portal Sunny Explorer User Manual Software for Visualizing and Administrating a Speedwire System Circuit Breaker Technical Information Dimensioning and Selection of a Suitable AC Circuit Breaker for In verters under PV Specific Influences Criteria for Selecting a Residual Current Device Technical Information Order Form for the SMA Grid Guard Code Certificate 1 4 Symbols Symbol Explanation A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING Indicates a hazardous situation which if not avoided can result in death or serious injury 6 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 1 Information on this Document Symbol Explanation A CAUTION Indicates a hazardous situation which if not avoided can result in minor or moderate injury NOTICE Indicates a situation which if not avoided can result in property damage i Information that is important for a specific topic or goal but is not safety relevant Indicates a requirement for meeting a specific goal M Desired result x A problem that might occur 1 5 Nomenclature Complete designation Designation in this docu
10. O Conductor cross section 1 5 mm to 6 0 mm Requirement L1 The Sunny Multigate must be correctly installed in the distribution box L1 If an external residual current device is required install a type A residual current device which trips at a residual current of 100 mA or higher for details on selecting a residual current device see the Technical Information Criteria for Selecting a Residual Current Device at www SMA Solar com O If the Sunny Multigate is being commissioned in Italy an external grid and PV system protection SPI in accordance with the CEI 0 21 standard must additionally be installed Overvoltage category The Sunny Multigate can be deployed in utility grids of installation category IIl or lower as defined in IEC 60664 1 This means that the Sunny Multigate can be permanently connected to the origin of an utility grid in a building In installations involving long outdoor cable routes additional measures for overvoltage suppression must be taken so that the overvoltage category is reduced from IV to III Procedure 1 A DANGER Danger to life due to electric shock Ensure that the circuit breaker is switched off and that it cannot be reconnected Installation Manual SMA SB240 IA en 12 39 6 Electrical Connection SMA Solar Technology AG 2 Route the AC cable of the utility grid through one opening at the bottom of the distribution box to the terminal Grid of the Sunny Multigate 3 Dismantle the AC
11. All rights reserved 2 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG Table of Contents Table of Contents 1 Information on this Document eere di Vera 6 IZ Target e candente irae 6 133 Additional Inomaliott ana 6 li SELL 6 lo Nomenclature ee Ee 7 OTTO 8 FANE D D vise cunssesien invective geegent 8 22 Safety e E 9 Scope of Deliverance 12 Product Description 14 42 1 Sunny BOY oaae e E a tcu Ut 14 ME I D sacca 15 4 3 PROUD 10 eR RD 16 E 18 45 COMMUNICATION aa 18 MoupnHhng oai dala aaa ea 20 5 1 Requirements for Mounting the Inverter sess 20 52 Mounting the vertere 23 5 2 1 Mounting the Inverter on the Roof 23 5 2 2 Mounting the Inverter on the Wall 24 5 3 Requirements for Mounting the Sunny Multigate 25 5 4 Mounting the Sunny Multigate sss 28 5 4 1 Mounting the Sunny Multigate on the Top Hat Rail 28 5 4 2 Mounting the Sunny Multigate on the Woll 28 Electrical Connechon a nici anca 30 6 1 Safety during Electrical Connection sess 30 6 2 Overview of the Connection Aregs 30 Oe Sunny BOY enee anecdotes 30 6 22 Sunny Multigate i aans 31 Installation Manual SMA SB240 lA en 12 3 Table of Contents SMA Solar Technology AG 10 11 12 13 14 os AC Cabling el the tv enters ie HEBR DN MEM IUS 31 6 4 Assembling the AC Field Plug 33 6 5 Connecting Additional Gro
12. Configuration O The changes to the grid relevant parameters must be approved by the responsible grid operator O When changing grid relevant parameters the SMA Grid Guard code must be available see the Certificate Order Form for the SMA Grid Guard Code at www SMA Solar com Procedure 1 Access the Sunny Explorer user interface 2 If required enter the SMA Grid Guard code 3 Select and set the desired parameter 4 Save settings 8 6 Configuring the Country Data Set By default the Sunny Multigate is set to a specific country data set You can find the country data set to which the Sunny Multigate has been set on the enclosed supplementary sheet with the default settings or on the type label Each country data set contains various operating parameters which can be individually set according to the respective country You can change the parameters by means of a communication product i The country data set must be set correctly If you select a country data set which is not valid for your country and purpose it can cause a disturbance in the PV system and lead to problems with the grid operator When selecting the country data set you must always observe the locally applicable standards and directives as well as the properties of the PV system e g PV system size grid connection point f you are not sure which country data set is valid for your country or purpose contact your grid operator for information on which co
13. EC directives e 2004 108 EG Electromagnetic compatibility EMC e 2006 95 EG Low voltage directive SMA Solar Technology AG confirms herewith that the inverters described in this document are in compliance with the fundamental requirements and other relevant provisions of the above mentioned directives The entire EC Declaration of Conformity can be found at www SMA Solar com CE Installation Manual SMA SB240 lA en 12 77 SMA Solar Technology
14. Electrical Connection 8 If necessary use AC field plugs to bridge greater distances see Section 6 4 Assembling the AC Field Plug page 33 9 If necessary additionally ground the inverters see Section 6 5 Connecting Additional Grounding page 36 10 Connect the free end of the AC cable of the first inverter to the Sunny Multigate see Section 6 6 page 36 6 4 Assembling the AC Field Plug You can use the AC field plugs included in the delivery for different purposes Connecting the AC cable of the first inverter to the Sunny Multigate However this connection can also be made using a junction box Using two AC field plugs to bridge greater distances between two inverters The AC cables available at SMA Solar Technology AG for connecting the inverters have a limited length see Section 15 Spare Parts and Accessories page 72 Overview A B C D Figure 17 Elements of the AC field plug Position Designation A Insulator B Enclosure E Seal D Screw connection Additionally required material not included in the scope of delivery Three bootlace ferrules 2 5 mm Cable shears 165 mm Stripping knife with straight knife blade 8 mm to 28 mm Insulation stripping tool up to 10 mm Crimping tool for bootlace ferrules up to 10 mm Torque screwdriver 0 3 Nm to 1 2 Nm Cross head screwdriver Pozidriv bit 1 4 or BiTorsion 1 25 mm Torque wrench scale adjustable 2 Nm to 20 Nm Crow Ring wre
15. Once the connecting terminal plates are correctly assigned check whether the AC field plugs or junction boxes between the inverters and the Sunny Multigate are correctly assembled Disconnect the inverter from all voltage sources see Section 9 page 48 Check the assembling If present remove the AC field plug see Section 13 1 Disconnecting the AC Field Plug page 64 and assemble it correctly see Section 6 4 Assembling the AC Field Plug page 33 f the connecting terminal plates Grid and Inverter of the Sunny Multigate are correctly assigned the inverter is correctly connected the AC field plugs or junction boxes used are correctly assembled and this message is still displayed contact the SMA Service Line Installation Manual SMA SB240 lA en 12 53 11 Troubleshooting SMA Solar Technology AG Event number 3401 Event cause and corrective measures DC overvoltage Overvoltage input A SW 3401 The DC input voltage connected to the inverter is too high This can destroy the in verter Corrective measures 1 Immediately disconnect the PV module from the inverter 2 Check whether the DC voltage is below the maximum input voltage of the inverter If the DC voltage is below the maximum input voltage of the inverter reconnect the DC connectors to the inverter If the DC voltage is above the maximum input voltage of the inverter ensure that the PV module has been correctly rated or contact the instal
16. PV module Additionally required mounting material not included in the scope of delivery L1 The required fastening material must be selected according to the profile rail used O The mounting material must be made of stainless steel O Diameter of the screws maximum 8 mm NOTICE Damage to the PV module due to screws being too long The length of the screws must be suitable for the clearance between the inverter and the PV module bottom side Make sure that the PV module is not damaged by the screws being used There are several options for attaching the inverter to the framework on the roof In the following example mounting with T head bolts is described Installation Manual SMA SB240 IA en 12 23 5 Mounting SMA Solar Technology AG Procedure 1 Keep the supplied mounting overview at hand for the allocation of the inverters to the PV modules 2 In case the connection area points upwards during mounting make sure to protect the plugs and pin connectors against ingress of moisture 3 Remove the label with the inverter serial number from the inverter and attach it to the corresponding position in the mounting overview included in the delivery 4 Insert the T head bolts into the profile rail and turn by 90 This will firmly anchor the screws in the profile rail 5 Position the inverter on the anchored screws Insert the screws into the oblong holes in the enclosure as far as the required f
17. Position Quantity Designation A AC cable with two connectors for connecting two inverters or for connecting the first inverter to the AC field plug B 1 DC plug with two DC connectors First inverter The inverter that is located at the beginning of the PV system and is directly connected to the Sunny Multigate via the AC cable is called first inverter in this document The DC connectors illustrated may deviate from your order Installation Manual SMA SB240 lA en 12 13 4 Product Description SMA Solar Technology AG 4 Product Description 4 1 Sunny Boy The Sunny Boy is a micro inverter for PV systems that converts the direct current from a PV module into grid compliant alternating current The alternating current generated is fed into the utility grid via the Sunny Multigate Figure 4 Design of the Sunny Boy Position Explanation A Type label The type label uniquely identifies the inverter You will require the information on the type label to use the product safely and when seeking customer sup port from the SMA Service Line You will find the following information on the type label Device type Model Serial number Serial No Date of manvfacture e Device specific characteristics B Pin connectors for the AC connectors Pin connector for DC plug D Removable label with inverter serial number To enable clear identification of the inverters of a PV system e g under fault conditions t
18. SMA Solar Technology AG 13 Decommissioning 13 2 Decommissioning the Inverter I Oa BR WN A DANGER Danger to life due to electric shock Do not disconnect the AC connectors under load Disconnect the inverter from all voltage sources see Section 9 page 48 Release and remove all cables from the inverter Loosen all screws in the drill holes Remove the inverter from the wall or profile rail If the inverter is to be stored or shipped in packaging pack the inverter the DC connectors and the AC connector Use the original packaging or packaging that is suitable for the weight and dimensions of the inverter see Section 14 Technical Data page 66 Dispose of the inverter in accordance with the locally applicable disposal regulations for electronic waste 13 3 Decommissioning the Sunny Multigate d 0 0c RR Ww A DANGER Danger to life due to electric shock e Disconnect the Sunny Multigate from voltage sources see Section 10 page 50 Release the screw terminals on the Sunny Multigate using a flat blade screwdriver blade width 3 5 mm Remove the conductors L and N from both connecting terminal plates Ifa network cable is connected pull the network cable out of the pin connector Pull the grounding conductor out of both connecting terminal plates Disassemble the Sunny Multigate f mounted on a top hat rail detach the Sunny Multigate from the top hat rail Tilt the lower e
19. due to incorrectly connected conductors IF PE and L or N are swapped the Sunny Multigate could be damaged during commissioning Be sure to observe the terminal labels on the Sunny Multigate Connect all conductors in accordance with the terminal labels Connect the grounding conductor of the AC cable to the terminal PE of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop Connect the line conductor of the AC cable to the terminal L of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop Connect the neutral conductor of the AC cable to the terminal N of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop 38 SMA SB240 lA en 12 Installation Manual SMA Solar Technology AG 6 Electrical Connection 7 Tighten all three screws of the connecting terminal plate using a flat blade screwdriver torque 0 6 Nm 8 Make sure that all terminals are correctly allocated 9 Make sure that all conductors are securely in place 6 7 Connecting the Sunny Multigate to the Utility Grid Connect the AC cable of the utility grid to the connecting terminal plate of the Sunny Multigate labeled Grid according to the following procedure Cable requirements L1 Only use copper cables O Use only cables made of solid wire or stranded wires L Temperature resistant up to at least 90 C
20. if the scope of delivery is incomplete or damaged Sunny Boy Figure 1 Components included in the scope of delivery of the inverter Position Quantity Designation A Inverter B I Supplementary sheet for the inverter Sunny Multigate o 0 B C Figure 2 Elements included in the scope of delivery of the Sunny Multigate d Position Quantity Designation A 1 Sunny Multigate B 1 AC field plug insulator plug enclosure seal screw con nection C 1 Protective cap for unused AC pin connector on the last in verter 12 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 3 Scope of Delivery Position Quantity Designation D 1 Label with registration ID RID and identification key PIC for registration in Sunny Portal E 1 Installation manual for Sunny Boy and Sunny Multigate mounting overview supplementary sheet with default set tings Last inverter The inverter that is located at the end of the PV system and not directly connected to the Sunny Multigate but only to one other inverter is called the last inverter in this document An AC pin connector remains unused on the last inverter and must be closed with a protective cap Keep this label with your access data for registration in Sunny Portal The access data can be found on the Sunny Multigate type label AC Cable and DC Plug Figure 3 Components included in the scope of delivery of the AC cable and the DC plug
21. uninsulated cable ends Do not touch the DC conductors Do not open the inverter and the Sunny Multigate Disconnect the inverter from all voltage sources before performing any work on it see Section 9 page 48 Before working on the Sunny Multigate always disconnect it from all voltage sources see Section 10 page 50 Follow the instructions precisely Observe the warning messages on the inverter and the Sunny Multigate A DANGER Risk of electric shock due to ground fault If a ground fault occurs parts of the system may still be live Touching live components can lead to lethal electric shocks Prior to touching any components always disconnect the inverter from all voltage sources as described in this document see Section 9 page 48 Prior to touching any components always disconnect the Sunny Multigate from all voltage sources as described in this document see Section 10 page 50 A DANGER Risk of electric shock due to damaged devices Operating a damaged inverter or Sunny Multigate can lead to hazardous situations that result in lethal electric shocks Only operate the inverter and the Sunny Multigate provided that they are in safe and full working order e Regularly check for visible damage 10 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 2 Safety A WARNING Risk of burns due to hot surfaces The surfaces of the inverter and the Sunny Multigate can get v
22. 0 to 100 Extended air pressure range 79 5 kPa to 106 kPa As per IEC 60721 3 4 transport type E class 2K3 Temperature range 25 C to 70 C Features DC Connection DC plug with DC connector DC plug assembled MC4 DC plug assembled Tyco 68 SMA SB240 lA en 12 Installation Manual SMA Solar Technology AG AC connection 14 Technical Data AC cable with two connectors Powerline interface As standard The DC connectors supplied are dependent on the order You can find the SMA order numbers of the DC connectors in this document see Section 15 Spare Parts and Accessories page 72 The length of the AC cable depends on the order and is either 1 40 m or 2 0 m Efficiency Maximum efficiency Nmax 95 8 European efficiency ney 95 3 14 3 Sunny Multigate AC Input Maximum number of connected micro inverters 12 Minimum number of connected micro inverters Maximum input current 12A AC Output Rated power at 230 V 50 Hz 2 760 W Rated grid voltage 230 V Nominal AC voltage 220 V 230 V 240V AC voltage range 184 V to 270 V Nominal AC current at 220 V 12A Nominal AC current at 230 V 12A Nominal AC current at 240 V 11 5A Maximum output current 12A Total harmonic distortion of the output current lt 3 with total harmonic distortion of the AC voltage lt 2 and AC power gt 50 of the rated power Rated power frequency 50 Hz
23. 02 The utility grid has been disconnected the AC cable is damaged or the grid voltage at the connection point of the inverter is too low The inverter has disconnected from the utility grid Corrective measures 1 Make sure that the circuit breaker is switched on 2 Make sure that the AC cable is not damaged 3 Make sure that the AC cable is correctly connected 4 Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range If the grid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid voltage is permanently within the permissible range and this message is still displayed contact the SMA Service Line 301 Grid fault Voltage increase protection 301 The grid voltage or grid impedance at the connection point is too high The inverter has disconnected from the utility grid to comply with the power quality Corrective measures Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range If the grid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid voltage is permanently within the permissible range and this message is still displayed conta
24. A Solar Technology AG Cable requirements for use of AC field plug O When using the AC field plug observe the cable requirements for assembling the AC field plug see Section 6 6 1 Connecting the AC Cable to the AC Field Plug or to the Junction Box page 36 Cable requirements for use of junction box O Cable cross section 2 5 mm L Temperature resistant up to at least 90 C O External diameter of the cable sheath 9 6 mm to 10 mm O Number of stranded wires 46 L1 Cable type copper wire tin plated O Wire cross section 0 25 mm i Installation of several Sunny Multigate devices When installing several Sunny Multigate devices in a PV system a three wire cable with grounding conductor must be used for each Sunny Multigate in order to guarantee trouble free communication between the Sunny Multigate and the inverter Procedure 1 A DANGER Danger to life due to electric shock Ensure that the circuit breaker is switched off and that it cannot be reconnected Make sure that the PV modules are covered 2 When using a junction box assemble the AC cable and connect it to the junction box in accordance with the instructions of the manufacturer 3 Route the AC cable from the AC field plug or the junction box to the terminal Inverter of the Sunny Multigate 4 Dismantle the AC cable to the desired length 5 Strip the insulation of the three AC cable conductors by 8 mm each NOTICE Damage to the Sunny Multigate
25. SMA Solar Technology AG 5 Mounting 5 2 Mounting the Inverter 5 2 1 Mounting the Inverter on the Roof A WARNING Risk of falling when working on the roof There is a risk of falling or slipping when working on the rooftop Observe the applicable accident prevention regulations for work on rooftops Before stepping on the rooftop ensure the load bearing capacity of all parts subjected to load n accordance with the accident prevention regulations a safety harness must be worn or a safety scaffold must be used Use a fall protection When mounting the inverter on the roof underneath the PV modules proceed as follows You can mount the inverter with the back panel or with the enclosure lid to the roof SMA Solar Technology AG recommends mounting the inverter with the enclosure lid to the roof This will allow for better heat dissipation Observe the minimum clearance of the inverter to the PV module see Section 5 1 Requirements for Mounting the Inverter page 20 i Information on the figures in this section The figures show the recommended mounting option for the inverter with the lid facing the roof The procedure for mounting the inverter with the back panel facing the roof is identical and is not depicted in the figures in this section i Position of the inverter In order to ensure optimum operation and long electrical endurance of the inverter install each inverter centered under the respective junction box of the
26. accordance with IEC AKAH 6072 1 3 4 Environmental category outdoors Pollution degree outside the enclosure 3 Pollution degree inside the enclosure 2 Operating temperature range 40 C to 65 C Maximum permissible value for relative humid 100 ity non condensing Installation Manual SMA SB240 lA en 12 67 14 Technical Data SMA Solar Technology AG Maximum operating altitude above mean sea 3 000 m level Noise emission typical lt 38 dB A Power loss in night mode lt 0 03 W Topology HF transformer Cooling method Convection Degree of protection for electronics in accor IP65 dance with IEC 60529 Protection class in accordance with IEC 61140 Grid configurations TN C grid configuration TN S grid configuration TN C S grid configuration Delta IT Approvals and national standards As of June 2014 VDEO126 1 1 VDEAR N 4105 VFR2014 PPC EN 50438 CZ NEN EN 50438 EN 50438 C10 11 2012 AS 4777 3 RD1699 G83 2 CEIO 21 IEC 62109 2 Delta IT When using in these networks the grounding conductor monitoring must be deactivated and an additional grounding connected to the inverter IEC 62109 2 This standard requires that the PV system is connected to Sunny Portal and that the fault alert is activated in Sunny Portal Climatic Conditions As per IEC 60721 3 4 installation type C class 4K4H Extended temperature range 40 C to 65 C Extended humidity range
27. al 33 472 09 04 43 India SMA Solar India Pvt Ltd 91 22 61713888 Mumbai Italia SMA Italia S r l 39 02 8934 7299 Milano Kurtpoc Kibris Be EAA Sa Bkz EXA a Yunanistan luxemburg Siehe Belgien Luxembourg Voir Belgique Magyarorsz g l sd esko Csehorsz g Nederland zie Belgien Belgi sterreich Siehe Deutschland Per Ver Espa a Polska Patrz esko Czechy Portugal SMA Solar Technology Portugal Gratuito em Portugal 800 20 89 87 Unipessoal Lda Internacional 351 212377860 Lisboa Rom nia Vezi esko Cehia Schweiz Siehe Deutschland Slovensko pozri esko esk republika South Africa SMA Solar Technology South Africa 08600 SUNNY 08600 78669 Pty Ltd International 27 12 643 1785 Centurion Pretoria United King SMA Solar UK Ltd 44 1908 304899 dom Milton Keynes E dba SMA Hellas AE 801 222 9 222 A0fva International 30 212 222 9 222 B nrapna Bwxre EX ada Topuna Installation Manual SMA SB240 lA en 12 75 16 Contact SMA Solar Technology AG Ine SMA Solar Thailand Co Ltd 66 2 670 6999 nam rere SMA Technology Korea Co ltd 82 2 520 2666 Me 97 2 234 6177 SMA Middle East LLC CA LA db gl Bas all Au pall Other countries International SMA Service Line Toll free worldwide 00800 SMA SERVICE Nissan 800 762 7378423 76 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 17 EC Declaration of Conformity 17 EC Declaration of Conformity within the meaning of the
28. astening point 6 Attach the inverter using suitable washers and nuts 7 Ensure that the inverter is securely in place 5 2 2 Mounting the Inverter on the Wall To mount the inverter on the wall proceed as follows Additionally required mounting material not included in the scope of delivery O The mounting material must be made of stainless steel O Two screws suitable for the support surface O Two washers suitable for the screws O Two screw anchors suitable for the support surface and the screws 24 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 5 Mounting Procedure 1 A CAUTION Risk of injury due to damaged cables There may be power lines or other supply lines e g gas or water routed in the wall Ensure that no lines are laid in the wall which could be damaged when drilling holes 2 Mark the position of the drill holes using the holes in the enclosure For this use the two outer holes or the two oblong holes in the middle 3 Drill the holes and insert the screw anchors 4 Align the inverter with the drill holes and attach it using suitable screws and washers 5 3 Requirements for Mounting the Sunny Multigate Requirements for the mounting location A WARNING Danger to life due to fire or explosion Despite careful construction electrical devices can cause fires Do not mount the Sunny Multigate in areas containing highly flammable materials or gases Do not mount the Sunny Mu
29. be connected to a router or modem with Internet connection and be integrated into the local network To enable data exchange between Sunny Multigate and Sunny Portal you must register the PV system in Sunny Portal see Section 8 3 Registering the Sunny Multigate in Sunny Portal page 45 If you do not want to use the Webconnect function you can deactivate it in Sunny Explorer see Section 8 7 Deactivating the Webconnect Function page 47 Installation Manual SMA SB240 lA en 12 19 5 Mounting SMA Solar Technology AG 5 Mounting 5 1 Requirements for Mounting the Inverter Requirements for the mounting location A WARNING Danger to life due to fire or explosion Despite careful construction electrical devices can cause fires Do not mount the inverter in areas containing highly flammable materials or gases Do not mount the inverter in a potentially explosive atmosphere A WARNING Risk of burns due to hot surfaces The surface of the inverter can get very hot Touching the surface can result in burns e Mount the inverter in such a way that it cannot be touched inadvertently Do not touch hot surfaces Wait ten minutes for the surface to cool sufficiently before performing any work on the inverter Observe the warning messages on the inverter O To ensure optimum operation the ambient temperature should be between 40 C and 65 C O The mounting location should not be exposed to direct solar i
30. cable to the desired length 4 Strip 8 mm insulation off each of the three conductors of the AC cable of the utility grid 5 NOTICE Damage to the Sunny Multigate due to incorrectly connected conductors If PE and L or N are swapped the Sunny Multigate could be damaged during commissioning Be sure to observe the terminal labels on the Sunny Multigate e Connect all conductors in accordance with the terminal labels Connect the grounding conductor of the AC cable to the terminal PE of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop Connect the line conductor of the AC cable to the terminal L of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop Connect the neutral conductor of the AC cable to the terminal N of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop 6 Tighten all three screws of the connecting terminal plate using a flat blade screwdriver torque 0 6 Nm 7 Make sure that all terminals are correctly allocated 8 Make sure that all conductors are securely in place 9 Connect the grounding conductor of the Sunny Multigate to the equipotential bonding of the AC distribution board 6 8 Connecting the PV Modules to the Inverters Requirements The PV modules must be correctly mounted in accordance with the manufacturer specifications Each in
31. ct the SMA Service Line 401 Grid fault Island grid 401 The inverter is no longer in grid parallel operation and has stopped feed in operation for safety reasons Corrective measures e Check the grid connection for significant short term frequency fluctuations 52 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 11 Troubleshooting Event Event cause and corrective measures number 501 Grid fault Grid frequency disturbance 501 The power frequency is not within the permissible range The inverter has disconnected from the utility grid Corrective measures If possible check the power frequency and observe how often major fluctuations occur If fluctuations occur frequently and this message is displayed often contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid operator gives his approval discuss any changes to the operating parameters with the SMA Service Line 1001 Installation failure grid connection L N swapped 1001 The conductors L and N are swapped or PE is not connected Corrective measures e Check whether the connecting terminal plates Grid and Inverter of the Sunny Multigate are correctly assigned e Ifthe connecting terminal plates Grid and Inverter are not correctly assigned disconnect the Sunny Multigate from all voltage sources see Section 10 page 50 and connect the conductors L N and PE correctly
32. dge of the Sunny Multigate forwards and lift it up and off the top hat rail e If mounted on the brackets release the screws with a flat blade screwdriver blade width 3 5 mm and remove the Sunny Multigate IF the Sunny Multigate is to be stored or shipped pack the Sunny Multigate and the AC connector Use the original packaging or packaging suitable for the weight and size of the Sunny Multigate see Section 14 Technical Data page 66 If the Sunny Multigate is to be disposed of dispose of the Sunny Multigate in accordance with the locally applicable disposal regulations for electronic waste Installation Manual SMA SB240 lA en 12 65 14 Technical Data SMA Solar Technology AG 14 Technical Data 14 1 Requirements for the PV Modules Maximum DC power at standard test condition 300 W s STC MPP voltage range at standard test condition 26 Vto 32V s STC Maximum short circuit current at standard test 12A conditions STC 14 2 Sunny Boy 240 DC Input Maximum number of connected PV modules per 1 inverter Maximum input voltage 45V MPP voltage range at 230 V 23 0 V to 39 0 V Rated input voltage 29 5 V Minimum input voltage 23 0 V Minimum initial input voltage 23 0 V Maximum initial input voltage 40 V Maximum input current 8 5 A Maximum short circuit current per module 12A Overvoltage category as per IEC 60664 1 Il In accordance with IEC 62109 2 ISC PV AC Outpu
33. directly on the module frame Do not mount the Sunny Boy on flammable construction materials Do not mount the Sunny Boy in areas containing highly flammable materials Do not mount the Sunny Boy in potentially explosive atmospheres All components must remain within their permitted operating ranges at all times The product must only be used in countries for which it is approved or released by SMA Solar Technology AG and the grid operator Use this product only in accordance with the information provided in the enclosed documentation and with the locally applicable standards and directives Any other application may cause personal injury or property damage Alterations to the product e g changes or modifications are only permitted with the express written permission of SMA Solar Technology AG Unauthorized alterations will void guarantee and warranty claims and usually void the operation permit SMA Solar Technology AG shall not be held liable for any damage caused by such changes Any use of the product other than that described in the Intended Use section does not qualify as appropriate The enclosed documentation is an integral part of this product Keep the documentation in a convenient place for future reference and observe all instructions contained therein The type label must remain permanently attached to the product 8 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 2 Safety Sunny Multigate The Sunny Mult
34. e Assembling the Cable Premounting the AC Field Plug Mounting the Insulator e Completing Mounting of the AC Field Plug Assembling the Cable 1 Shorten the cable to the desired length using cable shears 2 Dismantle the cable by 42 mm using the stripping knife Take care not to damage the individual insulated conductors 3 Shorten L and N by 7 mm 34 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 6 Electrical Connection 4 Using the insulation stripping tool strip the insulation of the three individual conductors by 10 mm each tolerance 1 mm Take care not to damage the individual stranded wires MI The cable is assembled 5 Push one bootlace ferrule onto each stripped insulated conductor up to the stop 6 Crimp the bootlace ferrule tightly using a crimping tool 7 Ensure that a crimping length of max 2 4 mm is maintained Premounting the AC Field Plug 1 Slide the screw connection over the cable with the bootlace ferrules Ensure that the thread of the screw connection is facing the bootlace ferrule 2 Use your fingers to push the seal as far as possible into the plug enclosure 3 Lead the plug enclosure with the seal over the cable The thread must be facing the thread of the screw connection Mounting the Insulator 1 Push the stranded wires with the bootlace ferrules up to the stop in the premounted pin connectors inside the insulator The line conductor must be plugged in
35. ed check whether the AC field plugs or junction boxes between the inverters and the Sunny Multigate are correctly assembled Disconnect the inverter from all voltage sources see Section 9 page 48 Check the assembling If present remove the AC field plug see Section 13 1 Disconnecting the AC Field Plug page 64 and assemble it correctly see Section 6 4 Assembling the AC Field Plug page 33 f the connecting terminal plates Grid and Inverter of the Sunny Multigate are correctly assigned the inverter is correctly connected the AC field plugs or junction boxes used are correctly assembled and this message is still displayed contact the SMA Service Line 6002 Self diagnosis gt Interference of device 6002 The system data is defective Corrective measures Download firmware update from www SMA Solar com and install with Sunny Explorer If this message is still displayed contact the SMA Service Line 6415 Self diagnosis gt Interference of device 6415 The reference voltage test failed Corrective measures e Disconnect the Sunny Multigate from voltage sources see Section 10 page 50 and re commission it see Section 7 page 42 If this message is still displayed contact the SMA Service Line 6702 Interference device 6702 The cause must be determined by the SMA Service line Corrective measures Contact the SMA Service Line Installation Manual SMA SB240 IA en 12 59 11 Troub
36. en 12 Installation Manual SMA Solar Technology AG 8 Configuration L1 Maximum cable length between two nodes when using patch cables 50 m O Maximum cable length between two nodes when using installation cables 100 m O UV resistant for outdoor use Requirements L The PV system must be commissioned see Section 7 Commissioning the PV System page 42 O A computer with an Ethernet interface must be available Procedure 1 Connect one end of the network cable to the router or directly to the computer 2 Plug the other end of the network cable into the pin connector at the bottom of the Sunny Multigate M The green LED in the pin connector is glowing or flashing The Sunny Multigate is connected to the router or the computer MI The green LED in the pin connector is glowing or flashing and the yellow LED is glowing A 100 Mbit connection to the router or the computer is established X All LEDs in the pin connector are off Possible failure cause the other end of the network cable is not correctly attached or there is no voltage supply Make sure that the router or computer is supplied with voltage Make sure that the network cable is correctly attached If the network cable is correctly attached and the problem persists contact the SMA Service Line see Section 16 Contact page 74 8 3 Registering the Sunny Multigate in Sunny Portal If you want to use the Webconnect function and monitor your PV system in S
37. ery hot Touching the surface can result in burns e Mount the inverter in such a way that it cannot be touched inadvertently Do not touch hot surfaces Wait ten minutes for the surface to cool sufficiently before performing any work on the inverter Observe the warning messages on the inverter and the Sunny Multigate NOTICE Damage to the inverter due to moisture and dust intrusion Dust or moisture intrusion can damage the inverter and impair its functionality Seal all inverter pin connectors with the appropriate plugs or protective caps NOTICE Damage to the Sunny Multigate due to the use of cleaning agents The use of cleaning agents may cause damage to components of the Sunny Multigate If the Sunny Multigate is dirty or dusty you can clean the enclosure the ventilation slots the type label and the LEDs with a dry brush Disconnect the Sunny Multigate from all voltage sources see Section 10 page 50 Only clean the Sunny Multigate with a dry brush NOTICE Damage to the inverter due to the use of cleaning agents e Ifthe inverter is dirty clean the enclosure the enclosure lid and the type label only using clear water and a cloth Installation Manual SMA SB240 lA en 12 11 3 Scope of Delivery SMA Solar Technology AG 3 Scopeof Delivery Check the scope of delivery for completeness and any externally visible damage Contact your distributor
38. everal inverters is no longer possible Corrective measures 1 Check cables and inverters for loose connectors or damage 2 Check PV modules for soiling or damage 3 If the problem persists contact the SMA Service Line 11 2 Checking the PV System for Ground Faults If the LED Inverter on the Sunny Multigate is glowing red this may indicate a ground fault in the PV system The electrical insulation between the PV system and ground is defective A WARNING Danger to life due to electric shock In the event of a ground fault high voltages can be present e No terminal of the PV module must be grounded Only touch the cables of the PV modules on their insulation Do not touch any parts of the framework or supports of the PV modules Do not connect PV modules with ground faults to the inverter IF the Sunny Multigate indicates a ground fault in the PV array proceed as follows Installation Manual SMA SB240 lA en 12 61 11 Troubleshooting SMA Solar Technology AG Procedure 1 Make sure that no terminal of the PV module is grounded 2 Use Sunny Portal or Sunny Explorer to determine which of the connected inverters has a ground fault see user manual of the communication product at www SMA Solar com 3 A DANGER Risk of electric shock due to high voltages e Disconnect the affected inverter from all voltage sources see Section 9 page 48 4 Measure voltages with a suitable measuring device Measure the
39. f electric shock To avoid contact between screw and conductor only use screws with a maximum head height of 6 mm for mounting on the brackets 28 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 5 Mounting 2 Press the four brackets on the back side of the Sunny Multigate out from the inside M The brackets snap audibly into place 3 Mark the drill holes using the brackets as a template 4 Drill the holes 5 Insert screws with a maximum head height of 6 mm through the brackets and tighten Make sure not to damage the brackets 6 Make sure that the Sunny Multigate is securely in place Installation Manual SMA SB24A0 IA en 12 29 6 Electrical Connection SMA Solar Technology AG 6 Electrical Connection 6 1 Safety during Electrical Connection A DANGER Risk of electric shock due to contact with live components when opening the Sunny Multigate There are live components inside the Sunny Multigate There is a risk of electric shock if you open the Sunny Multigate Never open the Sunny Multigate NOTICE Damage to the inverter due to moisture ingress When the inverter is open moisture can penetrate and cause damage to the inverter The tightness is no longer intact and the function of the inverter cannot be guaranteed Never open the inverter 6 2 Overview of the Connection Areas 6 2 1 Sunny Boy A Figure 14 Connection areas at the bot
40. his label can be applied to the enclosed mounting overview 14 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 4 Product Description 4 2 Sunny Multigate The Sunny Multigate is a communication unit and forms the electrical connection point of the PV system with a maximum of twelve micro inverters to the utility grid The Sunny Multigate is equipped with an integrated disconnection point for grid monitoring The Sunny Multigate is connected between the micro inverters and the utility grid to feed the alternating current of the micro inverters collectively into the utility grid Figure 5 Design of the Sunny Multigate Position Explanation A Press out brackets for mounting with screws B Screw terminal for AC input inverter Labeling Inverter LEDs The upper LED indicates the operating state of the inverters The lower LED in dicates the operating state of the Sunny Multigate Depending on the operat ing state the LEDs are glowing green red or orange or are off see Sec tion 4 3 LED Signals page 16 D Interface for optional communication The type label provides a clear identification of the Sunny Multigate You will require the information on the type label to use the product safely and when seeking customer support from the SMA Service Line You will find the follow ing information on the type label Device type Model Serial number Serial No Registration ID RID for regist
41. id fault Grid overvoltage spot value 101 The grid voltage or grid impedance at the connection point is too high The inverter has disconnected from the utility grid Corrective measures e Check whether the grid voltage at the connection point is permanently in the permissible range If the grid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid voltage is permanently within the permissible range and this message is still displayed contact the SMA Service Line 102 Installation Manual Grid fault Grid overvoltage fast 102 The grid voltage or grid impedance at the connection point of the inverter is too high The inverter has disconnected from the utility grid Corrective measures Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range If the grid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid voltage is permanently within the permissible range and this message is still displayed contact the SMA Service Line SMA SB240 lA en 12 51 11 Troubleshooting SMA Solar Technology AG Event Event cause and corrective measures number 202 Grid fault Grid undervoltage fast 2
42. igate is a communication unit and forms the electrical connection point of the PV system with a maximum of twelve micro inverters to the utility grid The Sunny Multigate is equipped with an integrated disconnection point for grid monitoring The Sunny Multigate is connected between the micro inverters and the utility grid to feed the alternating current of the micro inverters collectively into the utility grid The product is designed for indoor use only The Sunny Multigate must be installed and operated in a distribution box e A maximum of twelve micro inverters can be connected to the Sunny Multigate No loads must be connected between the Sunny Boy and the Sunny Multigate e No loads must be connected between the Sunny Multigate and the circuit breaker The grounding conductor of the AC cable from the inverter must be connected to the Sunny Multigate The grounding conductor of the Sunny Multigate must be connected to the equipotential bonding of the AC distribution board The Sunny Multigate must not be opened All components must remain within their permitted operating ranges at all times The product must only be used in countries for which it is approved or released by SMA Solar Technology AG and the grid operator Use this product only in accordance with the information provided in the enclosed documentation and with the locally applicable standards and directives Any other application may cause personal injury or property da
43. imum be removed three times and only within the first 72 hours after the first assembly After the period of 72 hours has expired the AC field plug must not be removed The cable must be shortened again before the assembling Procedure l A DANGER Danger to life due to electric shock Do not disconnect the AC field plug under load Ensure that the circuit breaker is switched off and that it cannot be reconnected Make sure that the PV modules are covered 2 Unlock and remove the AC field plug from the connector of the inverter AC cable Hook a flat blade screwdriver blade width 4 mm into the wide slot at the AC field plug and lever it open At the same time pull out the AC connector 3 If necessary disassemble the AC field plug Loosen the screw connection of the plug enclosure Remove the seal from the opening of the thread Make sure not to damage the fins of the plug enclosure e Detach the plug enclosure from the insulator Insert a flat blade screwdriver Te blade width 4 mm into the small slot of the plug enclosure and unlock the fastening clamps until the insulator is detached from SP the plug enclosure e Loosen all three screws using a screwdriver and remove the conductors Prior to reassembling the AC field plug shorten the cable If necessary reassemble the AC field plug see Section 6 4 Assembling the AC Field Plug page 33 64 SMA SB240 lA en 12 Installation Manual
44. in Sunny Portal see the User Manual Micro Inverters in Sunny Portal at www SunnyPortal com Useful hint The PV System Setup Assistant guides you through user registration and the registration of your PV system in Sunny Portal 8 4 Connecting the Sunny Multigate to Sunny Explorer Requirements L The PV system must be commissioned see Section 7 Commissioning the PV System page 42 li L1 A computer with an Ethernet interface must be available L1 The Sunny Multigate must be connected to the network O Sunny Explorer from software version 1 06 must be installed on the computer Procedure Start Sunny Explorer and create a PV system see Sunny Explorer user manual at www SMA Solar com 8 5 Changing Operating Parameters This section describes the basic procedure for changing operating parameters Always change operating parameters as described in this section The operating parameters of the Sunny Multigate are set to certain values by default You can change the operating parameters after commissioning using Sunny Explorer to optimize the operation of the inverter Requirements L The PV system must be commissioned see Section 7 Commissioning the PV System page 42 L1 A computer with an Ethernet interface must be available L1 Sunny Explorer from software version 1 06 must be installed on the computer O The system must be registered in Sunny Explorer 46 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 8
45. in the distribution box The country data set must be configured according to the country or purpose You can find the configured country data set on the enclosed supplementary sheet with the default settings The AC cable of the utility grid must be correctly connected to the Sunny Multigate All conductors must be connected in accordance with the terminal labels No conductors must be swapped The circuit breaker must be correctly rated All inverters must be correctly mounted All DC and AC connectors must be firmly plugged in The connection areas of all inverters must be dry and sealed rain tight by means of connectors and where applicable a protective cap The unused AC pin connector on the last inverter of the PV system must be sealed with a protective cap The first inverter of the PV system must be correctly connected to the Sunny Multigate via the AC cable All conductors must be connected in accordance with the terminal labels No conductors must be swapped The PV modules must be correctly mounted NOTICE Damage to the Sunny Multigate due to incorrectly connected conductors IF PE and L or N are swapped the Sunny Multigate could be damaged during commissioning e Be sure to observe the terminal labels on the Sunny Multigate Make sure that all terminals are correctly allocated All conductors must be connected in accordance with the terminal labels 42 SMA SB240 IA en 12 Installation Manua
46. ing pa Section 8 3 page 45 and rameters capture the Sunny Multigate in a communication Section 8 4 page 46 product di Change the PV system time and PV system password Manual of the communica tion product at www SMA Solar com 4 Check which country data set the Sunny Multigate is set Supplementary sheet with to default settings 9 If the country data set is not set correctly for your country Section 8 6 page 47 or your purpose adjust to the required country data set 8 2 Connecting the Sunny Multigate to the Network You can configure the Sunny Multigate and the inverters using an SMA communication product e g Sunny Portal Sunny Explorer In order to register your PV system in Sunny Portal you must connect the Sunny Multigate to the local network Required material not included in the scope of delivery L1 One network cable Cable requirements The cable length and quality affect the quality of the signal Observe the following cable requirements O Cable type 100BaseTx SMA Solar Technology AG recommends cable type SMA COMCAB OUTxxx for outdoor use and cable type SMA COMCAB Nxxx for indoor use available in lengths xxx 100 m 200 m 500 m 1 000 m Cable category Cat5 Cat5e Cat Cat a or Cat7 Plug type RJ45 of Cat5 Cat5e Cat or Cat a Shielding SF UTP S UTP SF FTP or S FTP Number of insulated conductor pairs and insulated conductor cross section at least 2x2x0 22 mm OOod 44 SMA SB240 IA
47. irst inverter to the Sunny Multigate see Section 6 6 Connecting the First Inverter to the Sunny Multigate page 36 All conductors must be connected in accordance with the terminal labels No conductors must be swapped 3 Connect the PV modules to the inverters see Section 6 8 Connecting the PV Modules to the Inverters page 40 4 Remove the cover of the PV modules 5 Switch on the two pole circuit breaker MI Both LEDs on the Sunny Multigate are glowing green Feed in operation begins X The LED Inverter is off There is a disturbance in the PV system Eliminate the disturbance see Section 11 Troubleshooting page 51 You will find the detailed error message in Sunny Portal or Sunny Explorer X The LED Inverter on the Sunny Multigate is glowing orange or red There is a disturbance in at least one of the connected inverters Eliminate the disturbance see Section 11 Troubleshooting page 51 You will find the detailed error message in Sunny Portal or Sunny Explorer X The LED Multigate on the Sunny Multigate is glowing orange or red There is a disturbance in the Sunny Multigate Eliminate the disturbance see Section 4 3 LED Signals page 16 Installation Manual SMA SB240 lA en 12 63 13 Decommissioning SMA Solar Technology AG 13 Decommissioning 13 1 Disconnecting the AC Field Plug i Removing and reassembling the AC field plug is only possible within 72 hours In total the AC field plug may at max
48. l SMA Solar Technology AG 7 Commissioning the PV System Procedure Switch on the circuit breaker MI Both LEDs on the Sunny Multigate are glowing green Feed in operation begins X The LED Inverter is off There is a disturbance in the PV system Eliminate the disturbance see Section 11 Troubleshooting page 51 You will find the detailed error message in Sunny Portal or Sunny Explorer X The LED Inverter on the Sunny Multigate is glowing orange or red There is a disturbance in at least one of the connected inverters Eliminate the disturbance see Section 11 Troubleshooting page 51 You will find the detailed error message in Sunny Portal or Sunny Explorer X The LED Multigate on the Sunny Multigate is glowing orange or red There is a disturbance in the Sunny Multigate Eliminate the disturbance see Section 4 3 LED Signals page 16 Installation Manual SMA SB240 lA en 12 43 8 Configuration SMA Solar Technology AG 8 Configuration 8 1 Configuration Procedure Once you have commissioned the PV system you may have to adjust various settings via a communication product This section describes the procedure for configuration and gives an overview of the steps you must perform in the prescribed order Procedure See I If you want to integrate the PV system into a Speedwire Section 8 2 page 44 network connect the Sunny Multigate to the network 2 To manage the PV system data or to set the operat
49. le disconnect the network cable from the Sunny Multigate and reconnect the Sunny Multigate to the network see Section 8 2 Connecting the Sunny Multigate to the Network page 44 If the error persists disconnect the Sunny Multigate from all voltage sources see Section 10 Disconnecting the Sunny Multigate from Voltage Sources page 50 and reconnect it see Section 6 7 Connecting the Sunny Multigate to the Utility Grid page 39 If the error persists contact the SMA Service Line Installation Manual SMA SB240 lA en 12 17 4 Product Description SMA Solar Technology AG 4 4 Symbols on Products Symbol Explanation Grounding conductor This symbol indicates the position for the grounding conductor terminal q DC load break switch The DC plug on the inverter has the function of a DC load break switch Danger to life due to high voltages The product operates at high voltages All work on the product must be carried out by qualified persons only Risk of burns due to hot surfaces The product can get hot during operation Avoid contact during opera tion Allow the product to cool down sufficiently before carrying out any work Wear personal protective equipment such as safety gloves Observe the documentation Observe all documentation supplied with the product C CE marking The product complies with the requirements of the applicable EU direc tives VDE certification ma
50. ler of the PV module If this message is repeated frequently contact the SMA Service Line 3501 3902 Insulation resistance Insulation failure 3501 The inverter has detected a ground fault in the PV array As long as the fault exists the inverter will not feed in Corrective measures Check the PV system for ground faults see Section 11 2 page 61 Waiting for DC start conditions Generator voltage too low Start condi tions not met 3902 The PV array voltage is too low Corrective measures 1 Wait for higher irradiation 2 If necessary remove snow or dirt from the PV modules 3903 Waiting for DC start conditions Generator voltage too high Start condi tions not met 3903 The PV array voltage is too high Corrective measures Wait until the DC start conditions are met 6002 to 6006 Self diagnosis gt Interference of device 6002 6005 6006 The cause must be determined by the SMA Service line Corrective measures Contact the SMA Service Line 6305 Self diagnosis gt Interference of device 6305 The cause must be determined by the SMA Service line Corrective measures Contact the SMA Service Line 54 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 11 Troubleshooting Event Event cause and corrective measures number 6402 Self diagnosis Overtemperature 6402 The cause must be determined by the SMA Service Line Corrective measures
51. leshooting SMA Solar Technology AG Event number 7001 Event cause and corrective measures Fault sensor interior temperature 7001 The temperature sensor for the indoor temperature of the Sunny Multigate is defective Feed in operation will be interrupted Corrective measures e Contact the SMA Service Line 7702 Self diagnosis gt Interference of device 7702 A relay error has occurred Corrective measures e Disconnect the Sunny Multigate from voltage sources see Section 10 page 50 and re commission it see Section 7 page 42 If this message is still displayed contact the SMA Service Line 8101 to 8102 Communication disturbed 8101 8102 An error has occurred in the internal communication This can be caused by one of the following Feed in operation continues Corrective measures 1 If several Sunny Multigate devices are installed in a system check whether the AC cables from the inverters to the Sunny Multigate devices have been laid in separate channels If the AC cables are not laid separately from each other lay the AC cables from the inverter to the Sunny Multigate in separate locations 2 If the problem persists contact the SMA Service Line 8104 Interference device 8104 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line 9014 Invalid device combination 9014 The Sunny Multigate and the inverters cannot be opera
52. ltigate in potentially explosive atmospheres A WARNING Danger of fire due to missing external enclosure The Sunny Multigate is only protected against fire if it is installed in a distribution box Otherwise the fire risk could lead to personal injury and property damage Only mount the Sunny Multigate in a distribution box NOTICE Damage to the Sunny Multigate from moisture and dust intrusion Dust or moisture intrusion can damage the Sunny Multigate and impair its functionality The Sunny Multigate complies with degree of protection IP20 and must always be installed in a distribution box This ensures that the Sunny Multigate is protected against dust and moisture Only mount the Sunny Multigate in a distribution box Installation Manual SMA SB240 lA en 12 25 5 Mounting SMA Solar Technology AG O The mounting location must be suitable for the installation of the Sunny Multigate in a distribution box O The mounting location must be suitable for the weight and dimensions of the Sunny Multigate see Section 14 Technical Data page 66 L The mounting location must be inaccessible to children O AC cable route of the entire PV system with Sunny Multigate maximum 30 m When installing several Sunny Multigate devices in a PV system you must lay the AC cable of each Sunny Multigate to the respective inverter separately in order to guarantee trouble free communication between the Sunny Multigate and
53. lug the free end of the AC cable connected to the inverter into the pin connector of the assembled AC field plug o LY MI The AC field plug snaps into place The catch mechanisms of both plugs must be correctly aligned Cabling with Junction Box As an alternative to the AC field plug you can use a junction box with feed through terminal for the connection of the inverter AC cable to the Sunny Multigate For the assembly and connection of the AC cable follow the instructions of the junction box manufacturer Figure 19 AC cabling of the entire PV system with junction box Cable requirements O The same cable requirements that apply to the use of the AC field plug also have to be complied with in this case see Section 6 4 Assembling the AC Field Plug page 33 Procedure 1 Cut off the free plug at the end of the AC cable of the inverter 2 Assemble the AC cable and connect it to the junction box as described by the junction box manufacturer 6 6 2 Connecting the AC Cable to Sunny Multigate Connect the free end of the AC cable coming from the AC field plug or the junction box to the connecting terminal plate of the Sunny Multigate The connecting terminal plate assigned for this is labeled Inverter Requirement O The Sunny Multigate must be correctly installed in the distribution box Installation Manual SMA SB240 lA en 12 37 6 Electrical Connection SM
54. mage Alterations to the product e g changes or modifications are only permitted with the express written permission of SMA Solar Technology AG Unauthorized alterations will void guarantee and warranty claims and usually void the operation permit SMA Solar Technology AG shall not be held liable for any damage caused by such changes Any use of the product other than that described in the Intended Use section does not qualify as appropriate The enclosed documentation is an integral part of this product Keep the documentation in a convenient place for future reference and observe all instructions contained therein The type label must remain permanently attached to the product 2 2 Safety Information This section contains safety information that must be observed at all times when working on or with the product To prevent personal injury and property damage and to ensure long term operation of the product read this section carefully and observe all safety information at all times Installation Manual SMA SB240 IA en 12 9 2 Safety SMA Solar Technology AG A DANGER Danger to life due to high voltages of the PV modules When exposed to sunlight the PV modules generate dangerous DC voltage which is present in the DC conductors Touching the DC conductors can lead to lethal electric shocks If you disconnect the DC connectors from the inverter under load an electric arc may occur leading to electric shock and burns Do not touch
55. ment Sunny Boy Inverter micro inverter product Sunny Multigate Product SMA Speedwire Speedwire Inverter which is located at the beginning of the PV system and First inverter directly connected to the Sunny Multigate via the AC cable and the AC field plug Inverter which is located at the end of the PV system and not di Last inverter rectly connected to the Sunny Multigate Industrial enclosure sub distribution switch cabinet or meter Distribution box box Installation Manual SMA SB240 IA en 12 7 2 Safety SMA Solar Technology AG 2 Safety 2 1 Intended Use Sunny Boy 240 The Sunny Boy is a micro inverter for PV systems that converts the direct current from a PV module into grid compliant alternating current The alternating current generated is fed into the utility grid via the Sunny Multigate The product is suitable for indoor and outdoor use The Sunny Boy must only be connected to one PV module The PV module used must comply with protection class Il as per IEC 61730 application class A and must be compatible for use with the Sunny Boy The Sunny Boy must be operated with the Sunny Multigate Do not connect any loads between the Sunny Boy and the Sunny Multigate Do not connect any loads between the individual Sunny Boy inverters Do not open the lid of the Sunny Boy Only mount the Sunny Boy on the framework mounted on the roof directly under the PV modules or on the wall Do not mount the Sunny Boy
56. nce at the connection point is too high The inverter has disconnected from the utility grid Corrective measures e Check whether the grid voltage at the connection point is permanently in the permissible range If the grid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid voltage is permanently within the permissible range and this message is still displayed contact the SMA Service Line 102 Grid fault Grid overvoltage fast 102 The grid voltage or grid impedance at the connection point of the inverter is too high The inverter has disconnected from the utility grid Corrective measures Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range If the grid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid voltage is permanently within the permissible range and this message is still displayed contact the SMA Service Line 202 Grid fault Grid undervoltage fast 202 The utility grid has been disconnected the AC cable is damaged or the grid voltage at the connection point of the inverter is too low The inverter has disconnected from the utility grid Corrective measures 1 Make
57. nch AF 25 Square insertion tool outer square 3 8 inner square 9 mm x 12 mm DL DE EI EJ EI EI EI EI EDI EDI CI Screwdriver insulated blade width 4 mm blade thickness 0 8 mm Installation Manual SMA SB240 lA en 12 33 6 Electrical Connection SMA Solar Technology AG A DANGER Danger to life due to electric shock Do not disconnect or connect the AC field plug under load Only assemble the AC field plug in a dry environment Observe the operating temperature range of 40 C to 85 C Cable requirements O Cable cross section 2 5 mm L Temperature resistant up to at least 90 C O External diameter of the cable sheath 9 6 mm to 10 mm O Number of stranded wires 46 L1 Cable type copper wire tin plated O Wire cross section 0 25 mm i Removing and reassembling the AC field plug is only possible within 72 hours In total the AC field plug may at maximum be removed three times and only within the first 72 hours after the first assembly e After the period of 72 hours has expired the AC field plug must not be removed The cable must be shortened again before each assembly Only disconnect and disassemble the AC field plug following the instructions in this document see Section 13 1 Disconnecting the AC Field Plug page 64 Procedure To assemble and connect the AC field plug carry out the following steps in the given sequence The exact procedure is described in the paragraphs below
58. ng the Inverter iii 65 13 3 Decommissioning the Sunny Multigate sss 65 Technical Dalai 66 14 1 Requirements for the PV Modules s 66 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG Table of Contents 14 2 Sunny Boy 240 isses bebe ee eC RI HER HUC EE IE 66 T43 Sunny MUGAS T 69 14 4 Torques of AC Field Plugs ierra 71 15 Spare Parts and AccessorieS esesesesessoseseosesesesesessosesessesesesese 72 Ae e 74 17 EC Declaration of Conformity eese 77 Installation Manual SMA SB240 IA en 12 5 1 Information on this Document SMA Solar Technology AG 1 Informationon this Document 1 1 Validity This document is valid for the following device types e SB 240 10 Sunny Boy 240 Multigate 10 Sunny Multigate 1 2 Target Group The tasks described in this document must only be performed by qualified persons Qualified persons must have the following skills Knowledge of how an inverter works and is operated Training in how to deal with the dangers and risks associated with installing and using electrical devices and installations Training in the installation and commissioning of electrical devices and installations Knowledge of the applicable standards and directives Knowledge of and compliance with this document and all safety precautions 1 3 Additional Information
59. nology AG O For the AC cable connection to the Sunny Boy only use the AC cable recommended by SMA Solar Technology AG see Section 15 Spare Parts and Accessories page 72 O To allow for greater distances between two inverters use the AC field plug see Section 6 4 Assembling the AC Field Plug page 33 Procedure 1 A DANGER Danger to life due to electric shock Do not disconnect the AC connectors under load Ensure that the circuit breaker is switched off and that it cannot be reconnected Make sure that the PV modules are covered 2 Plug one end of the supplied AC cable into the outer AC pin connector of the last inverter of the PV system MI The plug snaps into place 3 Plug the protective cap into the middle AC pin connector of the last inverter MI The protective cap snaps into place 4 Seal the protective cap if necessary Make sure that the AC cable of the last inverter is plugged into the outer AC pin connector Only the middle AC pin connector can be used for the security seal since it is the only one having eyelets for the security seal 5 Ensure that the AC connector and the protective cap in the inverter pin connectors are securely in place 6 Plug the other end of the AC cable into the middle AC pin connector of the next inverter MI The plug snaps into place 7 Connect further inverters following the same procedure 32 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 6
60. o the inverters or other objects SMA SB240 lA en 12 21 Installation Manual 5 Mounting SMA Solar Technology AG min 50 mm max 1 100 mm or 1 700 mm Figure 9 Recommended clearances Minimum Clearance between Inverter and PV Module Bottom Side NOTICE Damage to the PV module due to insufficient clearance between the inverter and the PV module bottom side For roof mounting the clearance from the inverter to the bottom side of the PV module must be at least 30 mm This will prevent the grounding bolt from damaging the PV module Figure 10 Minimum clearance of the inverter to the bottom side of the PV module Permitted Mounting Position A DANGER Electric shock due to ingress of moisture During mounting make sure that the connection area of the inverter remains dry As soon as the connector and protective cap are plugged in the connection area will be protected from moisture ingress Thus the inverter complies with degree of protection IP65 L1 In order to ensure optimum operation and long electrical endurance of the inverter install each inverter centered under the respective connection socket of the PV module O For installations that are integrated into the building do not install the inverter directly on the back side of the PV module This will prevent the inverter power from being reduced due to excessive ambient temperature 22 SMA SB240 IA en 12 Installation Manual
61. ration in Sunny Portal Identification key PIC for registration in Sunny Portal e Device specific characteristics Installation Manual SMA SB24A0 IA en 12 15 4 Product Description SMA Solar Technology AG Position Explanation F Screw terminal for AC output utility grid Labeling Grid G Pin connector for connecting the network cable RJ45 4 3 LED Signals The LEDs on the Sunny Multigate indicate the operating state of the PV system SE SEZ Inverter Grid Figure 6 Position of the LEDs on the Sunny Multigate The upper LED is labeled with Inverter and indicates the operating state of the inverters The lower LED is labeled with Multigate and indicates the operating state of the Sunny Multigate LED A LED Inverter Status off Explanation The communication with the inverters is not active glowing green The inverters are in operation glowing orange glowing red At least one of the connected inverters is in Warning mode You will find the detailed error message in Sun ny Portal or Sunny Explorer You can find the cause and its corrective measure in this document see Section 11 Troubleshooting page 51 At least one of the connected inverters is in Fault mode You will find the detailed error message in Sunny Portal or Sunny Explorer You can find the cause and its corrective measure in this document see Section 11 Trouble
62. rid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must approve changes to the operating parameters of the inverter 2 Check whether the DC voltage is stable in a realistic range in accordance with the datasheet of the PV module and the assessment of the weather situation Therefore determine the voltage during inverter operation using a communication product 3 Check whether the respective PV module is heavily soiled or shaded Clean the PV module if soiled 4 During a very cloudy or foggy day wait for higher irradiation 5 If none of the described causes is applicable and the message is still displayed contact the SMA Service Line 10265 PLC communication impaired 10265 The cause must be determined by the SMA Service Line Corrective measures 1 If several Sunny Multigate devices are installed in a system check whether the AC cables from the inverters to the Sunny Multigate devices have been laid in separate channels If the AC cables are not laid separately from each other lay the AC cables from the inverter to the Sunny Multigate in separate locations 2 If the problem persists contact the SMA Service Line 56 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 11 Troubleshooting Sunny Multigate Event number 101 Event cause and corrective measures Grid fault Grid monitoring spot value 101 The grid voltage or grid impeda
63. rk The product is VDE tested and complies with the current health and safety requirements Certified safety The product is VDE tested and complies with the current health and safety a9 requirements Lh WEEE designation S Do not dispose of the product together with the household waste but in a accordance with the locally applicable disposal regulations for electronic waste 4 5 Communication Communication between Inverter and Sunny Multigate The inverter is connected to the Sunny Multigate via the AC cable The communication and data transmission between the Sunny Multigate and the inverters takes place via a PLC interface 18 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 4 Product Description Communication between Sunny Multigate and Other Communication Products PV module PV module PV module z SUNNY MULTIGATE Router Figure 7 Example of a PV system with micro inverters and Sunny Multigate with communication via Speedwire Webconnect Communication between the Sunny Multigate and other SMA communication products e g Sunny Explorer Sunny Portal takes place via Speedwire Webconnect Speedwire is a type of communication based on Ethernet You can connect the Sunny Multigate to your network via Speedwire Webconnect enables data exchange between Sunny Multigate and Sunny Portal In order to establish a connection fo Sunny Portal the Sunny Multigate must
64. rradiation Direct solar irradiation can cause the inverter to overheat As a result the inverter reduces its power output Climatic conditions must be met see Section 14 Technical Data page 66 The mounting location must be inaccessible to children OOO The mounting location must be suitable for the weight and dimensions of the inverter see Section 14 Technical Data page 66 O The inverter must be mounted on the roof on the framework underneath the PV modules or on a solid support surface e g concrete brickwork In living areas ensure that the support surface is not drywall or similar When in operation the inverter makes noises which can be perceived as a nuisance L1 When mounting on the framework the mounting position should preferably be in the center of the PV module This will ensure a longer electrical endurance of the inverter 20 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 5 Mounting Dimensions for mounting 188 mm L m 44 mm 38 mm 199 mm 218 mm Figure 8 Position of the anchoring points Recommended clearances L1 When using an AC cable of 1 40 m min 50 mm to max 1 10 m L1 When using an AC cable of 2 0 m min 50 mm to max 1 70 m L1 Greater distances between two inverters can be bridged using an additional cable and two AC field plugs see Section 6 4 Assembling the AC Field Plug page 33 L1 Observe recommended clearances t
65. rter cannot be guaranteed Never open the inverter Procedure 1 A DANGER Danger to life due to electric shock Do not disconnect the AC connectors under load e Disconnect the circuit breaker and secure it against reconnection Cover the PV modules 2 Release and remove all connected AC connectors from the inverter Hook a flat blade screwdriver blade width 4 mm into the wide slot on the plug and lever it open At the same time pull out the AC connector without pulling the cable 3 Remove the DC plug from the inverter Do not pull on the DC cables 4 To loosen the protective cap remove the security seal if necessary and hook a flat blade screwdriver blade width 4 mm into the wide slot and and lever it open At the same time pull out the protective cap 48 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 9 Disconnecting the Inverter from Voltage Sources 5 A DANGER Risk of electric shock due to high voltages Before carrying out any of the following work wait five minutes for the capacitors to discharge Installation Manual SMA SB240 lA en 12 49 10 Disconnecting the Sunny Multigate from Voltage Sources SMA Solar Technology AG 10 Disconnecting the Sunny Multigate from Voltage Sources A DANGER Risk of electric shock due to contact with live components when opening the Sunny Multigate There are live components inside the Sunny Multigate There is a risk of elec
66. shoot ing page 51 16 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 4 Product Description LED Status Explanation B LED Multigate off Either there is no AC voltage present or the Sunny Multi gate is defective glowing green The Sunny Multigate is in normal operating state glowing orange The Sunny Multigate is in Warning mode l If communication is still possible determine the respective error message in Sunny Portal or Sunny Explorer You can find the cause and its corrective measure in this document see Section 11 Troubleshooting page 51 If no communication is possible disconnect the network cable from the Sunny Multigate and reconnect the Sunny Multigate to the network see Section 8 2 Connecting the Sunny Multigate to the Network page 44 If the error persists disconnect the Sunny Multigate from all voltage sources see Section 10 Disconnecting the Sunny Multigate from Voltage Sources page 50 and reconnect it see Section 6 7 Connecting the Sunny Multigate to the Utility Grid page 39 A If the error persists contact the SMA Service Line glowing red The Sunny Multigate is in Fault mode 1 If communication is still possible determine the respective error message in Sunny Portal or Sunny Explorer You can find the cause and its corrective measure in this document see Section 11 Troubleshooting page 51 If no communication is possib
67. sure that the circuit breaker is switched on 2 Make sure that the AC cable is not damaged 3 Make sure that the AC cable is correctly connected 4 Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range If the grid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid voltage is permanently within the permissible range and this message is still displayed contact the SMA Service Line Installation Manual SMA SB240 lA en 12 57 11 Troubleshooting SMA Solar Technology AG Event number 301 Event cause and corrective measures Grid fault Voltage increase protection 301 The grid voltage or grid impedance at the connection point of the inverter is too high The inverter has disconnected from the utility grid to comply with the power quality Corrective measures Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range If the grid voltage is outside the permissible range due to local grid conditions contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid voltage is permanently within the permissible range and this message is still displayed contact the SMA Service Line 401 Grid fault Island grid 401
68. t Rated power at 230 V 50 Hz 230W Maximum apparent AC power 230 VA Rated grid voltage 230 V Nominal AC voltage 220 V 230 V 240 V AC voltage range 184 V to 270 V Nominal AC current at 220 V 1A Nominal AC current at 230 V 1A Nominal AC current at 240 V 0 96 A 66 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 14 Technical Data Maximum output current 1A Total harmonic distortion of the output current lt 3 with total harmonic distortion of the AC voltage lt 2 and AC power gt 50 of the rated power Maximum residual output current 1A AC inrush current 123 mA Rated power frequency 50 Hz AC power frequency 50 Hz 60 Hz Operating range at AC power frequency 50 Hz 45 5 Hz to 63 Hz Operating range at AC power frequency 60 Hz 45 5 Hz to 63 Hz Power factor at rated power Feed in phases Connection phases Overvoltage category with Sunny Multigate as per IEC 60664 1 Protective Devices DC reverse polarity protection Short circuit diode Grid monitoring SMA Grid Guard 5 AC short circuit current capability Available Ground fault monitoring Insulation monitoring Galvanic isolation Available General Data Width x height x depth without connection area Width x height x depth with connection area 188 mm x 199 mm x 43 mm 188 mm x 218 mm x 43 mm Weight 1 3 kg Climatic category in
69. ted in this combination Corrective measures 1 Contact the SMA Service Line and request the latest firmware update if necessary 9015 60 Max permitted number of inverters exceeded 9015 The number of inverters connected exceeds the maximum number specified in the cur rently set standard Corrective measures Reduce the number of inverters in the PV system until the maximum permissible number is reached see the user manual of the communication product SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 11 Troubleshooting Event Event cause and corrective measures number 10221 New device cannot be administered 10221 The cause must be determined by the SMA Service Line Corrective measures Contact the SMA Service Line 10259 Inconsistent communication version 10259 The communication version of an inverter is not supported or the device combination is invalid Corrective measures 1 Contact the SMA Service Line and request the latest firmware update if necessary 10265 The device with serial number X has not been available for X day s 10265 Communication with one or several inverters is no longer possible Corrective measures 1 Check cables and inverters for loose connectors or damage 2 Check PV modules for soiling or damage 3 If the problem persists contact the SMA Service Line 10267 Loss of communication to one or several devices 10267 Communication with one or s
70. the inverter SUNNY BOY SUNNY BOY SUNNY BOY SUNNY MULTIGATE 30m Figure 1 1 Maximum AC cable route of the PV system left last inverter right first inverter connected to Sunny Multigate L1 A robust support surface must be available for mounting the device e g concrete walls In living areas ensure that the support surface is not drywall or similar O The mounting location should be freely and safely accessible at all times without the need for any auxiliary equipment such as scaffolding or lifting platforms Non fulfillment of these criteria may restrict servicing L The mounting location should not be exposed to direct solar irradiation O Climatic conditions must be met see Section 14 Technical Data page 66 O The ambient temperature must be between 40 C and 25 C This will ensure optimal operation of the Sunny Multigate Clearances O The clearance inside a metal distribution box must be at least 12 7 mm to walls or other components O Within an industrial closure observe the following clearances to ensure sufficient ventilation 26 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 5 Mounting Figure 12 Recommended clearances Position Dimensions A 98 mm B 150 mm Permitted mounting positions of the Sunny Multigate L1 Only mount the Sunny Multigate horizontally Dimensions for mounting the Sunny Multigate with screws
71. to pin connector L the neutral conductor into pin connector N and the grounding conductor into the pin connector with the symbol M The bootlace ferrules are no longer visible 2 Tighten the three screws in the insulator using a screwdriver torque 0 8 Nm 3 Make sure that the individual conductors are positioned securely in the correct pin connectors of the insulator Completing Mounting of the AC Field Plug 1 Push the plug enclosure onto the insulator M Both parts snap together The catch mechanism on the insulator and on the plug enclosure must be correctly aligned 2 Tighten the screw connection of the plug enclosure using a torque wrench and then tighten it with two different torques First tighten the screw connection with a torque of 3 3 Nm Set the value 3 0 Nm at the scale of the torque wrench specified by SMA Solar Technology AG Then tighten the screw connection with a torque of 4 4 Nm Set the value 4 0 Nm at the scale of the torque wrench specified by SMA Solar Technology AG Installation Manual SMA SB240 lA en 12 35 6 Electrical Connection SMA Solar Technology AG Hint The given torque setting only applies to the torque wrench specified by SMA Solar Technology AG The value to be set on the torque wrench is lower than the actual value for more information on the calculation of the torque to be set go to www stahlwille com A torque wrench consists of the following components torque wrench basic device
72. tom of the inverter E Position Designation Explanation A DC pin connector Terminal for the DC plug B AC pin connector For AC cable connection for connecting two inverters For connecting the first inverter to the Sunny Multigate Forinserting the protective cap on the last inverter i Security seal The unused AC pin connector must be sealed in some countries The protective caps must be plugged into the middle AC pin connector since it is the only one having eyelets for security seal 30 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 6 Electrical Connection 6 2 2 Sunny Multigate Figure 15 Connection areas on the Sunny Multigate Position Designation A Connecting terminal plate for the connection of the AC cable of the in verter labeling Inverter Pin connector for connecting the optional communication Pin connector for connecting the network cable RJ45 D Connecting terminal plate for the connection of the AC cable of the utility grid labeling Grid 6 3 AC Cabling of the Inverters Figure 16 AC cabling among the inverters left last inverter right first inverter Requirements O For fusing purposes use at maximum a 16 A circuit breaker L1 No loads must be connected between the individual inverters Installation Manual SMA SB240 lA en 12 31 6 Electrical Connection SMA Solar Tech
73. tric shock if you open the Sunny Multigate Never open the Sunny Multigate Before working on the Sunny Multigate always disconnect it from all voltage sources as described in this section Procedure 1 A DANGER Danger to life due to electric shock e Disconnect the circuit breaker and secure it against reconnection 2 Ensure that no voltage is present between the conductors L and N at the AC terminal Grid using a suitable measuring device 3 Ensure that no voltage is present between the conductor L and the grounding conductor at the AC terminal Grid using a suitable measuring device 4 Ensure that no voltage is present between the conductors L and N at the AC terminal Inverter using a suitable measuring device 5 Ensure that no voltage is present between the conductor L and the grounding conductor at the AC terminal Inverter using a suitable measuring device 50 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 11 Troubleshooting 11 Troubleshooting 11 1 Error Messages During operation of the PV system events may occur which can refer to one or several inverters or the Sunny Multigate Events can be information warnings or errors All events are displayed in the communication product you are using e g Sunny Portal Sunny Explorer Sunny Explorer additionally displays the corresponding event number for each event Inverter Event number 101 Event cause and corrective measures Gr
74. ufacturer WEIDM LLER via distributor Order no 9005000000 Crimping tool Square crimping tool for bootlace ferrules up to 10 mm Manufacturer RENNSTEIG via distributor Art no 610 084 3 Torque screwdriver 1 4 hexagon socket 0 3 Nm to 1 2 Nm Manufacturer WERA via distributor Art no 05074700001 Screwdriver bit 1 4 hexagon length 25 mm Application cross head screws Manufacturer WERA via distributor Art no 05056422001 Torque wrench Adjustable by scale Torque range 2 Nm to 20 Nm Manufacturer STAHLWILLE via distributor Art no 50181002 Crow Ring wrench AF 25 Manufacturer STAHLWILLE via distributor Art no 02190025 72 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG Designation Square insertion tool Brief description Outer square 3 8 Inner square 9 mm x 12 mm Manufacturer STAHLWILLE 15 Spare Parts and Accessories SMA order number via distributor Art no 58240005 734 5 Screwdriver Insulated Blade width 4 mm Blade thickness 0 8 mm Manufacturer WERA via distributor Art no 05006115006 Installation Manual SMA SB240 lA en 12 73 16 Contact SMA Solar Technology AG 16 Contact If you have technical problems with our products contact the SMA Service Line We need the following information in order to provide you with the necessary assistance Inverter device type Inverter serial number
75. unding sss 36 6 6 Connecting the First Inverter to the Sunny Multigate 36 6 6 1 Connecting the AC Cable to the AC Field Plug or to the J nctioniBOX cic nett ditor teen Rn bereiten Ed 36 6 6 2 Connecting the AC Cable to Sunny Multigate 37 6 7 Connecting the Sunny Multigate to the Utility Grid 39 6 8 Connecting the PV Modules to the Inverters 40 Commissioning the PV SySstem rrrrrrrrrereeerzesecereezeeno 42 dolce 44 8 1 Configuration Procedure uia e re reist arr Pt UPS 44 8 2 Connecting the Sunny Multigate to the Network 44 8 3 Registering the Sunny Multigate in Sunny Portal 45 8 4 Connecting the Sunny Multigate to Sunny Explorer 46 8 5 Changing Operating Parameters 46 8 6 Configuring the Country Data Set 47 8 7 Deactivating the Webconnect Funchon 47 Disconnecting the Inverter from Voltage Sources 48 Disconnecting the Sunny Multigate from Voltage Sources 50 Treubieshosing iii 51 Tidal Error Messages iere eere pi eere rs 51 11 2 Checking the PV System for Ground Faults ssssssssissirsssssssrrrrreresees 61 Recommissioning the Inverter crrrrrrrercisieerzonionieoo 63 Decommissioningi aria 64 ISCH Disconnecting the AC Field Plugin i 64 13 2 Decommissioni
76. unny Portal you must register the Sunny Multigate in Sunny Portal Requirements DI The PV system must be commissioned see Section 7 Commissioning the PV System page 42 L1 The Sunny Multigate must be connected to a router or modem with Internet access and must be integrated in the local network If the router or the modem does not support DHCP or if DHCP is deactivated you can use the SMA Connection Assist to integrate the Sunny Multigate into your network see www SMA Solar com L1 All UDP ports gt 1024 on the router or modem must be open for outgoing connections If there is a firewall installed on the router or modem you might have to adjust the firewall rules Installation Manual SMA SB240 lA en 12 45 8 Configuration SMA Solar Technology AG O It must be possible for the outgoing router or modem connections to reach all Internet destinations target IP target port If there is a firewall installed on the router or modem you might have to adjust the firewall rules O On a router or modem with NAT Network Address Translation there must not be any port forwarding Potential communication problems can thus be prevented O There must be no packet filtering and no manipulation for SIP packets on the router or modem L1 The registration ID RID and identification key PIC for registration in Sunny Portal must be available see type label on the Sunny Multigate or enclosed label Procedure Register the Sunny Multigate
77. untry data set is to be configured The basic procedure for changing operating parameters is explained in another section see Section 8 5 Changing Operating Parameters page 46 Procedure Select the parameter Default or Set country standard and adjust the required country data set 8 7 Deactivating the Webconnect Function Requirements DI The PV system must be commissioned see Section 7 Commissioning the PV System page 42 L1 A computer with an Ethernet interface must be available O Sunny Explorer from software version 1 06 must be installed on the computer Procedure 1 Access the Sunny Explorer user interface 2 Under Settings gt External Communication select the parameter Webconnect functionality switched on and set to No 3 Save settings Installation Manual SMA SB240 lA en 12 47 9 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG 9 Disconnecting the Inverter from Voltage Sources Prior to performing any work on the inverter always disconnect it from all voltage sources as described in this section Always adhere to the prescribed sequence If you want to disconnect several inverters from voltage sources you must repeat the following procedure for each inverter NOTICE Damage to the inverter due to moisture ingress When the inverter is open moisture can penetrate and cause damage to the inverter The tightness is no longer intact and the function of the inve
78. verter must be connected to no more than one PV module The thresholds for the input voltage and the input current of the inverter must be adhered to nnnm The positive connection cable DC of the PV module must be fitted with a positive DC connector suitable for the DC connector of the inverter O The negative connection cable DC of the PV module must be fitted with a negative DC connector suitable for the DC connector of the inverter 40 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 6 Electrical Connection Procedure 1 A DANGER Danger to life due to electric shock Do not disconnect the AC connector under load Ensure that the circuit breaker is switched off and that it cannot be reconnected Ensure that the PV module is covered 2 Check the PV module for ground faults see Section 11 2 page 61 3 Check the DC connectors of the PV module for correct polarity and connect to the DC connectors of the supplied DC plug Tip for correct assignment the DC plug is marked with and Wl The DC connectors snap into place 4 Make sure that the DC connectors are securely in place 5 Insert the DC plug with the DC connectors into the outer pin connector on the inverter Installation Manual SMA SB240 lA en 12 Al 7 Commissioning the PV System SMA Solar Technology AG 7 Commissioning the PV System Requirements O O O 0 0go 0 O The Sunny Multigate must be correctly installed
79. voltages between the positive terminal and the ground potential Measure the voltages between the negative terminal and the ground potential Measure the voltages between the positive and negative terminals If the following results are present at the same time there is a ground fault in the PV system All measured voltages are stable The sum of the two voltages to ground potential is approximately equal to the voltage between the positive and negative terminals 5 In case of a ground fault solve the problem and recommission the inverter see Section 12 page 63 6 IF there is no ground fault and the error persists contact the SMA Service line 62 SMA SB240 IA en 12 Installation Manual SMA Solar Technology AG 12 Recommissioning the Inverter 12 Recommissioning the Inverter Requirements All inverters must be correctly mounted The PV modules must be correctly mounted The circuit breaker must be correctly rated The Sunny Multigate must be correctly installed in the industrial enclosure 0 DLL r The unused AC pin connector on the last inverter of the PV system must be sealed with a protective cap O The AC cable of the utility grid must be correctly connected to the Sunny Multigate All conductors must be connected in accordance with the terminal labels No conductors must be swapped Procedure 1 Connect the AC cables to the inverters see Section 6 3 AC Cabling of the Inverters page 31 2 Connect the f
80. w connection of the AC plug enclosure ini 3 3 Nm tial torque Screw connection of the AC plug enclosure end 4 4 Nm torque Installation Manual SMA SB240 lA en 12 71 15 Spare Parts and Accessories 15 Spare Parts and Accessories You will find the corresponding accessories and spare parts for your product in the following overview If required these can be ordered from SMA Solar Technology AG or your distributor SMA Solar Technology AG Designation Brief description SMA order number DC plug assembled 24 DC plugs assembled Multi Contact MI DCMC4 10 MCA KSTA DC plug assembled 24 DC plugs assembled with Tyco Solar MI DCTYCO 10 Tyco lock AC field plug 20 AC field plugs MI ACCON 10 AC protective cap 200 AC protective caps MIACCAP 10 AC cable 1 40 m 24 AC cables with counterplugs for con necting the inverters among each other MI ACCAB 1 4 10 AC cable 2 0 m 24 AC cables with counterplugs for con necting the inverters among each other MI ACCAB20 10 Bootlace ferrules 2 5 mm Manufacturer Miromar LLC Distributor Ferrules Direct Order no N25010 Cable shears Insulated handles 165 mm Manufacturer KNIPEX via distributor Art no 95 16 165 Stripping knife with straight knife blade TiN 8 mm to 28 mm Manufacturer JOKARI via distributor Art no 728000 Insulation stripping tool Cross section up to 10 mm insulation strip ping length up to 25 mm Man

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