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SUNNY BOY 240-US / SUNNY MULTIGATE-US

1. AC short circuit protection Available Ground fault monitoring Insulation monitoring Rio gt 1 MQ Galvanic isolation Available General Data Width x height x depth without connection area 7 San in x 7 537 in x 1 Af in 188 mm x 199 mm x 43 mm Width x height x depth with connection area 7 Sh in x 8 Vi in x 1 A in 188 mm x 218 mm x 43 mm Weight 2 Ibs 13 oz 1 3 kg Operating temperature range 40 F to 149 F 40 C to 65 C Storage temperature 40 F to 158 F 40 C to 70 C Maximum permissible value for relative humidity non condensing 100 Maximum operating altitude above MSL 9 840 ft 3 000 m Noise emission typical lt 38 dB A Power loss in night mode lt 0 3 W Topology HF transformer Cooling concept Convection Enclosure type rating in accordance with UL50 Type 3R Protection class 76 SMG SB240US lA en 1 1 Installation Manua SMA America LLC 13 Technical Data Approvals and national standards as per 05 2013 UL1741 UL1998 IEEE 1547 FCC Part 15 Class A amp B CAN CSA C22 2 No 107 1 1 Features DC Connection DC plug with DC connector DC plug assembled MC3 US DC plug assembled MC4 US DC plug assembled Tyco US AC connection AC cable with two connectors Powerline interface As standard
2. Figure 7 Label with serial number on the rear side of the inverter This label is detachable To enable clear identification of the inverters of a PV system e g in the event of error this label can be applied to the enclosed mounting overview Sunny Multigate The type label provides a clear identification of the Sunny Multigate The type label is located on the righthand side of the enclosure SMA Solar Technology AG Sonnenallee 1 34266 Niestetal www SMA solar com F Type MUITIGATE US xx Utility Interactive Split phase E sn XXXXX Ambient min XX X temperature fac nom XX Hz XK XK PC max XX X D PIC RID l B XXXXXXXXXX XXXXXXXXXK Output power factor FC Gus 1 Pac max xxx A C Figure 8 Layout of the Sunny Multigate type label ltem Designation A Device specific characteristics B Registration ID RID for registration in Sunny Portal C Device specific characteristics Installation Manual SMG SB240US lA en 1 1 21 A Product Description SMA America LLC ltem Designation D Identification key PIC for registration in Sunny Portal E Serial number of the Sunny Multigate F Device type of the Sunny Multigate You will require the information on the type label to use the Sunny Multigate safely and for customer support from the SMA Service Line The type label must be permanently a
3. The DC connectors supplied depend on the order for SMA order numbers of the DC connectors see Section 14 Accessories page 80 The length of the AC cable depends on the order and is either 4 5 ft 1 40 m or 6 g ft 2 0 m Torques Grounding bolt 31 in lb 3 5 Nm Grid Configurations Split phase Suitable Autotransformer Limited suitability When using autotransformers take into account that the voltages of L1 to the grounding conductor and L2 to the grounding conductor are symmetrical in no load operation and under load within the permissible range otherwise the PV system cannot be operated on the transformer If the voltages L1 to grounding conductor and L2 to grounding conductor are not symmetrical within the permissible range the device will not be damaged Efficiency Maximum efficiency nmax 95 9 CEC efficiency ncec 96 0 Installation Manual SMG SB240US lA en 1 1 77 13 Technical Data 13 2 Sunny Multigate US SMA America LLC AC Input Maximum number of connected micro inverters 12 Minimum number of connected micro inverters Maximum input current 12A AC Output Rated power at 240 V 60 Hz 2 880 W Rated grid voltage 240 V Nominal AC voltage 2x120V AC voltage range 211 Vto 264V Nominal AC current at 240 V 12A Maximum output current 12A Total harmonic factor of the output cu
4. Cable complying with UL6703 Cable shears with insulated grips 6 in 165 mm Stripping knife with straight blade TiN 3 4 6 in to 1 7 4 in 8 mm to 28 mm Insulation stripping tool AWG 7 10 mm Crimping tool for bootlace ferrules AWG 7 10 mm Torque screwdriver 1 4 hexagon socket 2 7 inb to 10 6 in Ib 0 3 Nm to 1 2 Nm Bit 1 4 hexagon 1 in 25 mm for cross head screws Torque wrench scale adjustable 17 7 in lb to 177 in lb 2 Nm to 20 Nm Crow s foot wrench AF 25 Square insertion tool outer square we in inner square 9x12 OOOOO0000OH0 0 Screwdriver insulated with blade width as in 4 mm and blade thickness Ves in 0 8 mm Installation Manual SMG SB240US lA en 1 1 45 6 Electrical Connection SMA America LLC Cable requirements O Cable cross section AWG 14 2 5 mm O Cable type UL listed QPOR Power and Control Tray cable type TC ER LAPP Tray Cable Il A 3 G AWG 14 46 BK Temperature at least 194 F 90 C wet dry External diameter of the cable sheath 1 3 in to 3 in 8 8 mm to 9 6 mm Number of stranded wires 46 Wire cross section AWG 30 O Cable type copper wire 0000 Assemble the AC field plug as follows A DANGER Danger to life due to electric shock Do not disconnect or connect the AC field under load Only assemble the AC field plug in a dry environment e Observe the operating temperature range of 40 F to 185 F 40 C to 85 C e Note and
5. L The mounting location must be inaccessible to children O The inverter must be mounted on the framework underneath the PV modules on the roof or on a solid building ground e g concrete brickwork In living areas make sure that the building ground is not made of plasterboard or similar When in use the inverter makes noises which can be perceived as a nuisance in a living area O 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 O The mounting location must be suitable for the weight and dimensions of the inverter see Section 13 1 Sunny Boy 240 US page 75 L The mounting location should not be exposed to direct solar irradiation Direct solar irradiation can increase the operating temperature of the inverter As a result the inverter reduces its power output O The ambient temperature must be between 40 F and 149 F 40 C and 65 C This ensures optimal operation of the inverter 24 SMG SB240US lA en 1 1 Installation Manual SMA America LLC Dimensions for mounting 7 Ysa in 188 mm 5 Mounting 6 7 in 157 mm 1 7 in 43 8 mm 3 Y in 80 mm 1 YJ in 38 3 mm 7 in 16 mm Figure 10 Dimensions of the inverter and the drill holes for mounting Installation Manual 7 7 in 199 mm 8 in 218 mm
6. 4 Check that the line voltage at the connection point of the inverter is permanently in the permissible range If the line 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 line voltage is permanently in the permissible range and this message is still displayed contact the SMA Service Line Installation Manual SMG SB240US lA en 1 1 65 11 Troubleshooting SMA America LLC Event Event cause and corrective measures number 301 Grid fault Voltage increase protection 301 The line voltage or grid impedance at the connection point is too high The inverter disconnects from the utility grid to comply with the power quality Corrective measures e Check that the line voltage at the connection point of the inverter is permanently in the permissible range If the line 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 line voltage is permanently in the permissible range and this message is still displayed contact the SMA Service Line 401 Grid fault Islanding grids 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 strong short term fr
7. Contact 23 45 oe e A ess BES See nee CMa ee oe 83 Installation Manual SMG SB240US lA en 1 1 9 1 Information on this Document SMA America LLC 1 Information on this Document Validity This document is valid for the following device types e B 240 US 10 Sunny Boy 240 US e Multigate US 10 Sunny Multigate US Target Group This document is intended for qualified persons Only personnel with the appropriate skills are allowed to perform the tasks set forth in this document see Section 2 2 Skills of Qualified Persons page 14 Additional Information Links to additional information can be found at www SMA Solar com Document title Document type Micro Inverters in Sunny Portal User manual Sunny Explorer User manual Symbol Symbol Explanation i Information that is important for a specific topic or goal but is not safety relevant Indicates an essential requirement for achieving a specific goal m Mi Desired result x A problem that could occur 10 SMG SB240U5 IA en 1 1 Installation Manual SMA America LLC Nomenclature 1 Information on this Document Full designation SMA America Production LLC Designation in this document SMA SMA Solar Technology Canada Inc SMA SMA Speedwire Speedwire Sunny Boy 240 US Sunny Boy inverter micro inverter Sunny Multigate US Sunny Multigate communication unit Inverter which i
8. Micro Inverter with Communication Unit SUNNY BOY 240 US SUNNY MULTIGATE US Installation Manual SMG SB240US lA en 11 Version 1 1 O SMA America LLC Legal Provisions Legal Provisions Copyright 2013 SMA America LLC All rights reserved No part of this document may be reproduced stored in a retrieval system or transmitted in any form or by any means be it electronic mechanical photographic magnetic or otherwise without the prior written permission of SMA America LLC Neither SMA America LLC nor SMA Solar Technology Canada Inc makes representations express or implied with respect to this documentation or any of the equipment and or software it may describe including with no limitation any implied warranties of utility merchantability or fitness for any particular purpose All such warranties are expressly disclaimed Neither SMA America LLC nor its distributors or dealers nor SMA Solar Technology Canada Inc nor its distributors or dealers shall be liable for any indirect incidental or consequential damages under any circumstances The exclusion of implied warranties may not apply in all cases under some statutes and thus the above exclusion may not apply Specifications are subject to change without notice Every attempt has been made to make this document complete accurate and up to date Readers are cautioned however that SMA America LLC and SMA Solar Technology Canada Inc reserve the right to make c
9. or the Canadian Electrical Code CSA C22 1 The PV modules must be correctly mounted in accordance with the manufacturer specifications Each inverter must be connected to no more than one PV module The limiting values for the input voltage and the input current of the inverter must be observed 0000 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 Procedure 1 PDN Teja 33 Danger to life due to electric shock Do not disconnect under load PV plug connections must not be disconnected while under load They can be placed in a no load state by switching off the DC AC converter or breaking the AC circuit e Ensure that the two pole circuit breaker is switched off and cannot be reconnected Ensure that the PV modules are covered 2 Check the PV module for ground faults see Section 11 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 M The DC connectors click into place 4 Ensure that the DC connectors are securely in place Installation Manual SMG SB240US lA en 1 1 43 6 Electrical Connection SMA America LLC 5 Insert the DC plug with th
10. Stripping knife with straight knife blade 8 mm to 28 mm Manufacturer JOKARI via distributor Art no 728000 Insulation stripping tool Stripping diameter up to AWG 7 10 mm stripping length up to 1 in 25 mm Manufacturer WEIDMULLER via distributor Order no 9005000000 Crimping tool Square crimping tool for bootlace ferrules up to AWG 7 10 mm Manufacturer RENNSTEIG via distributor Art no 610 084 3 Torque screwdriver 1 4 hexagon socket 2 7 in lb to 10 6 in lb 0 3 Nm to 1 2 Nm Manufacturer WERA via distributor Art no 05074700001 Bit 1 4 hexagon socket Length 1 in 25 mm Application cross head screws Manufacturer WERA via distributor Art no 05056422001 torque wrench Adjustable by scale torque range 17 7 in lb to 177 in lb 2 Nm to 20 Nm Manufacturer STAHLVILLE via distributor Art no 50181002 Crow s foot wrench AF 25 Manufacturer STAHLVILLE via distributor Art no 02190025 Square insertion tool Outer square Y in Inner square 9x12 Manufacturer STAHLVILLE via distributor Art No 58240005 734 5 Screwdriver Insulated Blade width 3 4 in 4 mm Blade thickness 35 in 0 8 mm Manufacturer WERA via distributor Art no 050061 15006 Installation Manual SMG SB240US lA en 1 1 81 15 Compliance Information SMA America LLC 15 Compliance Informatio
11. 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 3 3902 Waiting for DC start conditions Generator voltage too low Start conditions not met 3902 Generator voltage 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 conditions not met 3903 Generator voltage too high Corrective measures e Waiting for DC start conditions 6002 to Self diagnosis Interference of device 6002 6005 6006 6006 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line Installation Manual SMG SB240US lA en 1 1 67 11 Troubleshooting SMA America LLC Event Event cause and corrective measures number 6305 Self diagnosis Interference of device 6305 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line 6402 Self diagnosis Overtemperature 6402 The cause must be determined by the SMA Service Line Corrective measures e 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 measur
12. assembled Multi Contact MI DCM4 US 10 KST4 Multi Contact USA type KST4 2 5II UR male type PV KBT4 2 5II UR female AWG 14 maximum rated 600 V DC 30 ADC DC plug assembled Tyco US DC plug assembled with Tyco Solarlock Tyco Electronics AMP GmbH type 1394461 male type 1394462 female AWG 14 rated maximum 600 V DC 25 ADC MIDCTYCO US 10 complying with UL50E for indoor and outdoor installation of the Sunny Multigate AC field plug US AC field plug ACCON US 10 AC protective cap AC protective cap MLACCAP US 10 Industrial enclosure Industrial enclosure complying with Multigate XT O ULS5OE enclosure type rating 3 AC cable 41 55 ft 1 40 m AC cable for connection to inverter MIACCAB14 US 10 AC cable 6 ft 2 0 m AC cable for connection to inverter MI ACCAB20 US 10 Cable for AC field plug in accordance with UL6703 UL listed with 194 F 90 C wet dry rating approval UL 184 Manufacturer LAPP USA Lapp Tray Cable Il A 3G AWG 14 46 BK cULus Listed QPOR TC ER cable Bootlace ferrules AWG 14 UL listed Manufacturer Miromar LLC Distributor Ferrules Direct Order no N25010 80 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 14 Accessories Designation Cable shears Brief description Insulated handles 6 in 165 mm Manufacturer KNIPEX SMA order number via distributor Art no 95 16 165
13. e The Sunny Multigate must not be opened The enclosed documentation is an integral part of this product e Read and observe the documentation Keep the documentation in a convenient place for future reference Installation Manual SMG SB240US lA en 1 1 13 2 Safety SMA America LLC 2 2 Skills of Qualified Persons The tasks described in this document must be performed by qualified persons only Qualified persons must have the following skills Knowledge of how an inverter works and is operated e Training in how to deal with the dangers and risks associated with installing and using electrical devices and plants e Training in the installation and commissioning of electrical devices and plants e Knowledge of the applicable standards and guidelines e Knowledge of and adherence to this document and all safety precautions 2 3 Safety Precautions This section contains safety precautions that must be observed at all times when working on or with the product To prevent personal injury or property damage and to ensure long term operation of the product read this section carefully and follow all safety precautions at all times A DANGER Danger of electric shock due to high voltages In the live components of the inverter and the Sunny Multigate high voltages are present that can cause fatal electric shocks if touched e Do not open the inverter e Do not open the Sunny Multigate Do not touch any live components of t
14. suitable for the industrial enclosure Width 1 yA in 35 mm length 9 in 235 mm When mounting on press out lugs four screws suitable for the size of the lugs and the material of the premounted back panel of the industrial enclosure Max permissible height of screw head 4 in 6 mm Requirements for the industrial enclosure O Od 0000 Industrial enclosure with back panel complying with UL50E Type 3R for outdoor use and Type 1 for indoor use Pollution degree 3 Material plastic or metal Minimum dimensions W x H x D 10 1 4 in 260 mm x 9 2 4 240 mm in x 4 29 55 in 120 mm Minimum volume 19 liters Fire protection class minimum UL 94 5VA Ambient temperature range 40 F to 113 F 40 C to 45 C A warning label with the following text must be available DANGER Risk of Electric Shock Do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel DANGER Hazardous Voltage remains for five minutes after disconnecting main power supply Hint You can use the warning label included in the scope of delivery The warning label included in the scope of delivery is made of Scotchcal Brand 3690 from 3M and only suitable for certain surfaces according to U listing see E File Nr MH18072 category PGJI2 Examples Alkyd paint aluminum Polyester paint zinc Installation Manual SMG SB240US lA en 1 1 35 5 Mounting SMA America LLC Top Hat Rail Moun
15. Cable Exposed Run are used observe the requirements of the National Electrical Code article 336 10 Ensure that no cables used for electrical connection are damaged Connection Areas 1 Sunny Boy View from Below Figure 17 Connection areas at the bottom of the inverter Item Designation Explanation A DC pin connector Terminal for the supplied DC plug B AC pin connector e For AC cable connection for connecting two inverters Daisy chain e For AC cable connection for connecting the first inverter to the Sunny Multigate e For inserting the protective cap Installation Manual SMG SB240US lA en 1 1 39 6 Electrical Connection SMA America LLC 6 2 2 Sunny Multigate US Figure 18 Connection areas on the Sunny Multigate Item Designation A Connecting terminal plate for the connection of the AC cable of the inverter labeling Inverter B Pin connector for connecting optional communication Pin connector for connecting network cable RJ45 D Connecting terminal plate for the connection of the AC cable of the utility grid labeling Grid 40 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 6 Electrical Connection 6 3 Connecting the AC Cable to the Inverters Overview Figure 19 AC cabling between inverters Requirements o All electrical installations must be carried
16. LLC could void the user s authority to operate this equipment IC Compliance This device complies with Industry of Canada licence exempt RSS standard s Operation is subject to the following two conditions e This device may not cause interference and e This device must accept any interference including interferences that may cause undesired operation of the device 82 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 16 Contact If you have technical problems concerning our products contact the SMA Service Line We require the following information in order to provide you with the necessary assistance e Type of inverter e Type of Sunny Multigate e Type and number of modules connected e Communication method e Fault or Error 16 Contact United States Estados SMA America LLC 1 877 MY SMATech 1 877 697 6283 Rocklin CA 1 916 625 0870 Unidos Canada SMA Canada Inc 877 MY SMATech 1 877 697 6283 Canad Toronto RK Installation Manual international internacional toll free for Canada gratuit pour le Canada toll free for USA Canada and Puerto Rico Llamada gratuita en EE UU Canad y Puerto Rico SMG SB240US lA en 1 1 83 SMA Solar Technology SMA America LLC www SMA America com
17. SMG SB240US lA en 1 1 25 5 Mounting SMA America LLC Recommended clearances Depending on the length of the AC cable observe the following clearances O When using an AC cable of length 4 35 ft 1 40 m min 2 in 50 mm to max 33 ft 1 10 m O When using an AC cable of length 6 ft 2 0 m min 2 in 50 mm to max 5 a ft 1 70 m O Observe recommended clearances to the inverters or other objects min 2 in 50 mm max 3 ft 1 100 mm or 5 7 ft 1 700 mm O esol O O So g Figure 11 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 PY module bottom side must be at least 13 6 in 30 mm As a result you prevent the grounding bolt from damaging the PV module 1 in 30 mm Figure 12 Minimum clearance of the inverter to the PV module bottom side 26 SMG SB240US IlA en 1 1 Installation Manual SMA America LLC 5 Mounting Permitted Mounting Position A DANGER Electric shock due to ingress of moisture e During mounting make sure that the connection area of the inverter remains dry As soon as the connector and the p
18. assessment of the weather situation is stable in a realistic range Therefore determine the voltage during inverter operation using a communication product 3 Check whether the respective PV module is soiled or shaded Clean the PV module if soiled During a cloudy or foggy day wait for higher irradiation 5 If none of the described causes is applicable and the message continues to be displayed contact the SMA Service Line 10265 Power line communication disrupted 10265 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line Installation Manual SMG SB240US lA en 1 1 69 11 Troubleshooting SMA America LLC Sunny Multigate Event number 6702 Event cause and corrective measures Interference of device 6702 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line 7001 Fault sensor interior temperature 7001 The sensor for the indoor temperature is defective Feeding operations will be interrupted Corrective measures e Contact the SMA Service Line 8001 Derating occurred 8001 The power of the PV system was reduced below nominal power due to a too high temperature for more than ten minutes Corrective measures 1 To avoid yield loss and to protect hardware ensure sufficient ventilation or operate the Sunny Multigate in a cooler place 2 If this error also occurs at a tempe
19. es sae 38 6 1 Safety during Electrical Connection 0000 0e eee eee 38 6 2 Connection Areas 0 0 cece cette ene nes 39 6 2 Sunny Boys isco dns Niele Sic Pee A eho eke dale elena ae 39 6 2 2 Sunny Multigate US 0 02 eee eee 40 6 3 Connecting the AC Cable to the Inverters o on nannaa 41 6 4 Connecting the PV Module to the Inverter 00 43 6 5 AC Cabling from Inverter to Sunny Multigate 44 Installation Manual SMG SB240US lA en 1 1 7 Table of Contents SMA America LLC 6 6 Option 1 AC Cabling with AC Field Plug 20 A5 6 6 1 Assembling the AC Field Plug 00 2020000 A5 6 6 2 Connecting the AC Field Plug to the AC Cable of the Inverter 48 6 6 3 Disconnecting the AC Field Plug from the AC Cable of the Inverter 48 6 6 4 Removing and Reassembling the AC Field Plug 49 6 7 Option 2 AC Cabling with Junction Box 0005 49 6 8 Connecting the Inverter to the Sunny Multigate 50 6 9 Connecting the Sunny Multigate to the Utility Grid 52 COMMISSIONING 5 sree se se nas see nS a a 54 8 Configuration 3 6 3860s ed ceeseescenswaediewevew sees 55 8 1 Connecting the Sunny Multigate to the Network 55 8 2 Registering the Sunny Multigate in Sunny Portal 56 8 3 Connecting the Sunny Multigate to Sunny Explorer 56 8 4 Changing the System Time and Sys
20. 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 on flammable construction materials Do not mount the Sunny Multigate near highly flammable materials Do not mount the Sunny Multigate in potentially explosive atmospheres A WARNING Danger of fire due to non UL50E industrial enclosure The Sunny Multigate is only protected against fire if it is installed in an industrial enclosure complying with UL5OE Otherwise the fire risk could lead to personal injury and property damage e For indoor use always install the Sunny Multigate in a Type 1 industrial enclosure with pollution degree 3 e For outdoor use always install the Sunny Multigate in a Type 3 industrial enclosure with pollution degree 3 32 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 5 Mounting 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 must always be installed in an industrial enclosure with back panel complying with UL5OE This ensures that the Sunny Multigate is protected against dust and moisture and is suitable for indoor and outdoor operation e For indoor use always install the Sunny Multigate in a Type 1 industrial enclosure with pollution degree 3 e For ou
21. framework or supports of the PV modules e Do not connect any PV module with a ground fault to the inverter NOTICE Destruction of the multimeter due to overvoltage e Only use multimeters with a DC input voltage range up to at least 600 V If the Sunny Multigate indicates a ground fault in the PV array proceed as follows Procedure 1 Ensure that no pole 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 ECON Danger of electric shock due to high voltages e Disconnect the affected inverter from any voltage sources see Section 9 4 Measure voltages with a suitable multimeter e Measure the voltages between the positive terminal and the ground potential e Measure the voltages between the negative terminal and the ground potential e Measure the voltages between the positive and negative terminals If the following results are returned simultaneously there is a ground fault in the PV system All measured voltages are stable e The sum of the two voltages against the ground potential is approximately equal to the voltage between the positive and negative terminals e Eliminate the ground fault If there is no ground fault and the problem persists contact the SMA Service Line 5 Commission the PV system see Section 7 Commissioning page 54 72
22. glowing or flashing and the yellow LED is glowing A 100 Mbit connection to the router or to the computer is established 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 e Ensure that the computer or router is supplied with voltage e Ensure that the network cable is correctly attached e Ifthe network cable is correctly attached and the problem persists contact the SMA Service Line see Section 16 Contact page 83 Installation Manual SMG SB240US lA en 1 1 55 8 Configuration SMA America LLC 8 2 Registering the Sunny Multigate in Sunny Portal If you want to use the Webconnect function and monitor your PV system in Sunny Portal you must register the Sunny Multigate in Sunny Portal Requirements L The PV system must be commissioned see Section 7 Commissioning page 54 O The Sunny Multigate must be connected to a router or modem with Internet access and must be integrated in your network If the router or 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 O 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 O It must be possible for the outgoing router or modem connect
23. inverters from voltage sources you must repeat the following procedure for each inverter Procedure 1 EOIN Danger to life due to electric shock Do not disconnect under load PV plug connections must not be disconnected while under load They can be placed in a no load state by switching off the DC AC converter or breaking the AC circuit e Disconnect the two pole circuit breaker and secure against re connection e Cover the PV modules 2 Release and disconnect all connected AC connectors from the inverter To do this hook a slotted screwdriver blade width 4 mm into the wide slot on the plug and lever it open At the same 1 time pull out the AC connector without pulling the A cable 3 Release and remove the DC plug from the inverter Hook a slotted screwdriver blade width 4 mm into the wide slot on the plug and lever it open At the same time pull out the DC plug ge without pulling the cables Fa 60 SMG SB240U5S IA en 1 1 Installation Manual SMA America LLC 9 Disconnecting the Inverter from Voltage Sources 4 Ensure that no voltage is present at the DC pin connector on the inverter Use a suitable multimeter for this 5 Use a slotted screwdriver to remove the protective cap Hook the slotted screwdriver blade width 4 mm into the wide slot and lever it open At the same time pull out the protective cap 1 Fy 6 BND res Danger of electric shock due to high voltage
24. optimum operation and long electrical endurance of the inverter install each inverter under the center of the respective junction box Installation Manual SMG SB240US lA en 1 1 27 5 Mounting SMA America LLC Additionally required mounting material not included in the scope of delivery There are several options for attaching the inverter to the framework O The required fastening material must be selected according to the profile rail used O The mounting material has to be made of stainless steel O Diameter of screws max 1 in M8 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 e Make sure that the PV module is not damaged by the screws being used In the following example mounting with T head bolts is described Procedure 1 Hold the supplied mounting overview in readiness 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 Insert the T head bolts into the rail and turn by 90 This will firmly anchor the screws in the rail 4 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 Hint You can note down the serial numb
25. out in accordance with all electrical standards applicable on site and the National Electrical Code NE ANSI NFPA 70 see National Electrical Code paragraph 690 8 B 1 paragraph 690 8 A 3 or the Canadian Electrical Code CSA C22 1 The maximum output current of the inverter must comply with the National Electrical Code paragraph 690 8 A 3 For fusing purposes use a circuit breaker no larger than 2 pole 15 A Overcurrent protection must comply with the National Electrical Code paragraph 690 9 For the AC cable connection to the Sunny Boy only use the supplied AC cable see Section 14 Accessories page 80 Only use cables of type TC ER observing the requirements of the National Electrical Code article 336 10 Installation Manual SMG SB240US lA en 1 1 Al 6 Electrical Connection SMA America LLC Procedure li 42 A DANGER Danger to life due to electric shock Do not disconnect under load PV plug connections must not be disconnected while under load They can be placed in a no load state by switching off the DC AC converter or breaking the AC circuit e Ensure that the two pole circuit breaker is switched off and cannot be reconnected e Ensure that the PV modules are covered Plug one end of the supplied AC cable into the outer AC pin connector of the last inverter The plug snaps audibly into place M The plug snaps audibly into place Plug the other end of the AC cable in
26. that the conductor is inserted into the terminal right up to the stop 7 Connect the conductor L2 of the AC cable to the terminal L2 of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop 8 Tighten all three screws of the connecting terminal plate using a slotted screwdriver torque 5 31 intb 0 6 Nm 9 Ensure that all terminals are correctly allocated 10 Ensure that all conductors are securely in place 11 Connect the grounding conductor of the Sunny Multigate to the equipotential bonding of the AC distribution board Installation Manual SMG SB240US lA en 1 1 53 7 Commissioning SMA America LLC 7 Commissioning Requirements O All inverters are correctly installed The AC connector is firmly plugged in The DC plug and the connectors are firmly plugged in The connection areas of all inverters are dry and sealed rain tight by means of connectors and where applicable the protective cap The PV modules are correctly installed The two pole circuit breaker must be correctly rated The Sunny Multigate is correctly installed in the industrial enclosure o O o O o O O The unused AC pin connector on the last inverter of the PV system is sealed with the protective cap O1 The first inverter of the PV system is correctly connected to the Sunny Multigate via the AC cable All conductors must be connected according to the terminal labels No conductors must be
27. 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 2 If you do not want to use the Webconnect function you can deactivate it in the Sunny Explorer see Section 8 6 Deactivating the Webconnect Function page 58 PV module PV module Internet SUNNY MULTIGATE Router Figure 9 Example of a PV system with micro inverters and Sunny Multigate with communication via Speedwire Webconnect Installation Manual SMG SB240US lA en 1 1 23 5 Mounting SMA America LLC 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 e Do not mount the inverter in areas where flammable gases may occur Do not mount the inverter in areas where highly flammable materials are stored Do not mount the inverter in a potentially explosive atmosphere A WARNING Risk of burns from hot surfaces The surface of the inverter can get very hot Touching the surface can result in burns e Mount the inverter so that it cannot be touched inadvertently Do not touch hot surfaces e Wait ten minutes for the surface to cool down before performing any work on the inverter e Observe the safety messages on the inverter
28. 1 1 29 5 Mounting SMA America LLC 5 3 Grounding the Inverter Enclosure In order to connect the equipment grounding conductor you must ground the inverter enclosure You can ground each inverter separately or connect several inverters to one grounding conductor The equipment grounding conductor must be connected to the equipotential bonding of the AC distribution board i Information on the illustrations in this section The figures show an example of the mounted inverter with the lid facing towards the roof The procedure for grounding a mounted inverter with the rear side facing towards the roof or the wall is identical and is therefore not shown as a figure in this section Overview A B C D a lef Figure 13 Material for equipment grounding included in the scope of delivery Item Designation A Grounding bolt B Clamping bracket C Washers D Hexagon nuts Ground the inverter enclosure as follows Cable requirements O Only use copper cables O Use only cables made of solid wire O Wire size of the equipment grounding conductor AWG 12 to AWG 6 4 mm to 16 mm 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 PV module bottom side must be at least 13 6 in 30 mm As a result you prevent the grounding bolt from damaging the PV module 30 SMG SB240US lA
29. A America LLC 11 Troubleshooting 11 Troubleshooting 11 1 LED Signals on the Sunny Multigate The LEDs on the Sunny Multigate indicate the operating state of the PV system Inverter Figure 23 Position of the LEDs on the Sunny Multigate The upper LED is labelled with Inverter and indicates the operating state of the inverters The lower LED is labelled 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 At least one of the connected inverters is in Warning mode orange 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 2 glowing red 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 2 Installation Manual SMG SB240US lA en 1 1 63 11 Troubleshooting SMA America LLC LED Status B LED Multigate off Explanation Either there is no AC voltage present or the Sunny Multigate is defective glowing green The Sunny Multigate is in normal operating state
30. SMG SB240US lA en 1 1 Installation Manual SMA America LLC 12 Decommissioning 12 Decommissioning 12 1 Disassembling the Inverter 1 EONAR Danger to life due to electric shock Do not disconnect under load PV plug connections must not be disconnected while under load They can be placed in a no load state by switching off the DC AC converter or breaking the AC circuit e Disconnect the inverter from any voltage sources see Section 9 2 Release and remove all cables from the inverter Loosen all screws in the drill holes Remove the inverter from the wall or profile rail 12 2 Uninstalling the Sunny Multigate Additionally required tools not included in the scope of delivery O Slotted screwdriver blade width 3 5 mm Procedure 1 END rela Danger to life due to electric shock e Disconnect the Sunny Multigate from voltage sources see Section 10 Release the screw terminals on the Sunny Multigate using a slotted screwdriver Remove the conductors L1 and L2 from both connecting terminal plates If connected pull the network cable out of the pin connector Pull the grounding conductor out of both connecting terminal plates ook WN Remove the Sunny Multigate from the industrial enclosure as follows e If mounted on a top hat rail detach the Sunny Multigate from the top hat rail To do this tilt the lower edge of the Sunny Multigate forwards and lift up and off the top hat rail e If mounted using
31. adhere to the requirements of the National Electrical Code ANSI NFPA 70 Procedure Assembling the Cable 1 Shorten the cable to the desired length using cable shears 2 Strip the shortened cable by 17 5 in 42 mm using the stripping knife Take care not to damage the individual insulated conductors e The grounding conductor must be 17 35 in 42 mm long The grounding conductor must be approximately 5 in 7 mm longer than L1 and L2 e LI and L2 must each be 1 in 35 mm long 3 Using the insulation stripping tool strip the insulation of the three insulated conductors each by ve in 10 mm tolerance Ves in 1 mm Take care not to cut into any of the individual 17 in 42 mm i in 10 mm 1 N grounding conductor 1 in 35 mm J stranded wires M The cable is assembled 46 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 6 Electrical Connection Push one bootlace ferrule onto each stripped insulated conductor up to the stop Do not touch the stranded wires with your fingers and do not change the twist direction of the stranded wires Crimp the bootlace ferrule tightly using a crimping tool Ensure that a crimping length of max 3 3 in 2 4 mm is maintained Pre Mounting the AC Field Plug iF Slide the nut over the cable with the bootlace ferrules Ensure that the thread of the nut is facing the bootlace ferrule Use your f
32. aragraph 690 8 B 1 paragraph 690 8 A 3 or the Canadian Electrical Code CSA C22 1 O The maximum output current of the inverter must comply with the National Electrical Code paragraph 690 8 A 3 O Overcurrent protection must comply with the National Electrical Code paragraph 690 9 O The Sunny Multigate must be correctly installed in the industrial enclosure Procedure 1 EDINN Danger to life due to electric shock e Ensure that the two pole circuit breaker is switched off and cannot be reconnected 2 Route the AC cable of the utility grid through one opening at the bottom of the industrial enclosure to the Grid terminal of the Sunny Multigate 3 Strip the insulation of the three AC cable conductors of the utility grid each by 4 in 8 mm 4 NOTICE Damage to the Sunny Multigate due to incorrectly connected conductors If the grounding conductor and L1 or L2 are swapped the Sunny Multigate could be damaged during commissioning e Be sure to observe the terminal labels on the Sunny Multigate e Connect all conductors according to the terminal labels 52 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 6 Electrical Connection 5 Connect the grounding conductor of the AC cable to the terminal of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop 6 Connect the conductor L1 of the AC cable to the terminal L1 of the Sunny Multigate Make sure
33. e DC connectors into the i outer pin connector on the inverter 6 Connect the first inverter of the PV system to the Sunny Multigate see Section 6 8 6 5 AC Cabling from Inverter to Sunny Multigate You have the option of implementing the AC cabling from the inverter to the Sunny Multigate using either the supplied AC field plug or a junction box with integrated feed through terminal Option 1 cULus Listed QPOR TCER cable min 90 C wet dry AWG 14 Figure 20 AC cabling of the entire PV system with AC field plug Option 2 junction box min 167 F 75 C AWG 12 stranded copper br min 194 F 90 C AWG 14 stranded copper Figure 21 AC cabling of the entire PV system with junction box example 44 SMG SB240US IlA en 1 1 Installation Manual SMA America LLC 6 Electrical Connection 6 6 Option 1 AC Cabling with AC Field Plug 6 6 1 Assembling the AC Field Plug The AC cable with the two connectors is used to connect the inverters You will need the supplied AC field plug to connect the inverter to the Sunny Multigate Overview o P o Figure 22 Elements of the AC field plug ltem Designation A Insulator B Enclosure C Seal D Nut Additionally required material not included in the scope of delivery see Section 14 Accessories page 80 O Three bootlace ferrules AWG 14 2 5 mm
34. eft hand side of the enclosure you will find the warnings and safety precautions On the right hand side of the enclosure you will find the product specific data eT p SMA America Production LLC www sma america com SUNNY BOY gg Utility interactive I phase inverter KEME Engineered in Germany sf B Mad s pee a Serial No WWOX zil C Date of manufacture XX XXNT l MPPT range DC XXXV XXX XXX V Max DC current XXA AC output min nom max HOOK Y Max continous sulpul power xxw D Max open circuit ae input voltage Oper freq XXX XXX min nom max XXX Hz Max continous output current XA Output power factor x Enclosure Type XR Weight XX kg Ambien yon ayyee temperature TIN c O US LISTED XXP CLARKS Figure 6 Design of the Sunny Boy type label Item Designation A Inverter device type B Inverter serial number Cc Inverter manufacture date month year D Device specific characteristics The information on the type label is required for both safe operation of the inverter and for customer support from the SMA Service Line The type label must remain permanently affixed to the inverter 20 SMG SB240US lA en 1 1 Installation Manual SMA America LLC A Product Description Label with Inverter Serial Number A type label with the serial number of the inverter is located at the back of the Sunny Boy
35. ements O A computer with an Ethernet interface must be available O Sunny Explorer from software version 1 06 must be installed on the computer L The PV system must be logged in Sunny Explorer Procedure 1 Access the Sunny Explorer user interface 2 Select the parameter Webconnect functionality switched on and set to No 3 Save setting 58 SMG SB240US IlA en 1 1 Installation Manual SMA America LLC 8 7 Adjustable Parameters 8 Configuration You can change the following parameters for voltage and frequency monitoring in Sunny Explorer see also user manual of Sunny Explorer at www SMA Solar com Name Value range Default value Voltage monitoring median maximum threshold 240 V to 270 V 270 0 V Overvoltage Fast Voltage monitoring lower maximum threshold 240 V to 270 V 264 0 V Overvoltage Slow Voltage monitoring upper minimum threshold 120 V to 240 V 211 2V Undervoltage Slow Voltage monitoring of median minimum threshold 120 V to 240 V 120 0 V Undervoltage Fast Voltage monitoring median max threshold 0 1sto2 5s 0 16s trip time Overvoltage Fast maximum time Voltage monitoring lower max threshold trip time 0 1 sto5 0s 1 0s Overvoltage Slow maximum time Voltage monitoring upper min threshold trip time 0 1sto5 0s 2 0s Undervoltage Slow maximum time Voltage monitoring median min threshold 0 1sto2 5s 0 165 trip time Undervoltage Fast maximum time Fr
36. en 1 1 Installation Manual SMA America LLC 5 Mounting Procedure iF Insert the grounding bolt into the hole with the bolt head facing the ground e g rail and push it to the right hand stop Position a washer onto the ground bolt Place the equipment grounding conductor horizontally underneath or above the ground bolt Position the clamping bracket on the grounding bolt and above the equipment grounding conductor Depending on the conductor cross section the clamping bracket does not necessarily have to lock into place in the horizontal slots Place the second washer and the hexagon nut on the ground bolt and tighten them torque 31 in lb 3 5 Nm Place the second hexagon nut on the ground bolt and tighten it torque 31 in lb 3 5 Nm gt o Installation Manual SMG SB240US lA en 1 1 31 5 Mounting SMA America LLC f NOTICE Prevention of contact corrosion by bending the equipment grounding conductor The equipment grounding conductor must not be in contact with the inverter enclosure When there is contact corrosion at the contact surface may result The fastening screws and nuts may be in contact e Bend the equipment grounding conductor in such a way that it is not in contact with the g am inverter enclosure 8 Connect the equipment grounding conductor to the equipotential bonding of the AC distribution board 5 4 Requirements for the Mounting of the Sunny Multigate Requirements
37. equency monitoring lower maximum threshold 50 0 Hz to 63 0 Hz 60 5 Hz Overfrequency Frq monitoring lower max threshold trip time 45 0 Hz to 60 0 Hz 59 3 Hz Underfrequency Frequency monitoring median minimum threshold 45 0 Hz to 60 0 Hz 57 0 Hz Underfrequency fast Frq monitoring lower max threshold trip time 0 1 s to 90 0 s 0 165 Overfrequency maximum time Frequency monitoring upper min threshold trip 0 1 s to 300 0 s 0 165 time Underfrequency maximum time Frequency monitoring median min threshold trip 0 1 sto2 5s 0 165 time Underfrequency fast maximum time Installation Manual SMG SB240US lA en 1 1 59 9 Disconnecting the Inverter from Voltage Sources SMA America LLC 9 Disconnecting the Inverter from Voltage Sources Additionally required tools not included in the scope of delivery O Slotted screwdriver blade width 4 mm NOTICE Damage to the inverter due to moisture ingress When the inverter is open moisture can penetrate and cause damage to the inverter The inverter is no longer water tight and its function may be impaired e Never open the inverter NOTICE Destruction of the multimeter due to overvoltage e Only use multimeters with a DC input voltage range up to at least 600 V Before working on the inverter always disconnect the inverter from all voltage sources as described in this section Observe the given sequence If you want to disconnect several
38. equency variations 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 e If possible check the power frequency and observe how often major deviations occur If fluctuations occur frequently and this message is displayed often contact the grid operator The grid operator must approve changes fo the operating parameters of the inverter If the grid operator approves discuss any changes to the operating parameters with the SMA Service Line 66 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 11 Troubleshooting Event Event cause and corrective measures number 3401 DC overvoltage Overvoltage input A SW 3401 The DC input voltage connected to the inverter is too high Overvoltage at DC input The inverter may be destroyed Corrective measures 1 Immediately disconnect the PV array from the inverter 2 Check the DC voltage to ensure it 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 array has been correctly rated or contact the PV array installer If this message is repeated frequently contact the SMA Service Line 3501 Insulation resistance Insulation failure 3051
39. er of the inverter on the mounting overview 5 Position the inverter on the anchored screws To do this insert the screws into the oblong holes in the enclosure as far as the required fastening point 28 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 5 Mounting 6 Attach the inverter using suitable washers and nuts 7 Ensure that the inverter is securely in place 8 Ground the inverter enclosure see Section 5 3 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 has to be made of stainless steel O Two screws suitable for the building ground O Two washers suitable for the screws O Two screw anchors suitable for the building ground and the screws Procedure 1 CRANI Danger of electric shock if electric cables and other supply lines are damaged by drilling e Before drilling ensure that there are no electric cables and supply lines in the wall that could be damaged 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 Plug one screw anchor into each hole 5 Align the inverter with the drill holes and attach it using suitable screws and washers 6 Ground the inverter enclosure see Section 5 3 Installation Manual SMG SB240US lA en
40. ery is incomplete or damaged Sunny Boy D E F G Figure 2 Elements included in the scope of delivery of the Sunny Boy Item Number Designation A Sunny Boy B 1 DC plug with two DC connectors C 1 Supplementary sheet for Sunny Boy Installation manual for Sunny Boy and Sunny Multigate mounting overview D 1 Grounding bolt E 1 Clamping bracket for equipment grounding F 2 Washer for equipment grounding G 2 Hexagon nut for equipment grounding The DC connectors illustrated may deviate from your order for additional DC plugs see Section 14 Accessories The installation manual and mounting overview are only included in the delivery if you receive six inverters in one package You will in any case receive the installation manual and mounting overview for Sunny Boy and Sunny Multigate with the delivery of the Sunny Multigate SMG SB240US lA en 1 1 Installation Manual SMA America LLC 3 Scope of Delivery Sunny Multigate US 4 o B C D E F Figure 3 Elements included in the scope of delivery of the Sunny Multigate Item Number Designation A 1 Sunny Multigate B 1 AC field plug insulator enclosure seal nut G 1 Protective cap for the unused AC pin connector of the last inverter D 1 Warning labels for attaching to the industrial enclosure 1 Sticker with Registration ID RID and Identification Key PIC for the registration in S
41. es e Check that the line voltage at the connection point of the inverter is permanently in the permissible range and or whether jumps occur e g by switching on and off large loads If the line voltage is outside the permissible range due to local grid conditions or jumps occur contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the line voltage is permanently in the permissible range and this message is still displayed contact the SMA Service Line 6415 Self diagnosis Interference of device 6415 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line 68 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 11 Troubleshooting Event Event cause and corrective measures number 6450 Self diagnosis Energy transfer not possible Interference of device 6450 The inverter cannot feed into the utility grid Possible causes grid voltage is too high a PV module is soiled or shaded a cloudy or foggy day Corrective measures 1 Check that the line voltage at the connection point of the inverter is permanently in the permissible range If the line 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 according to the datasheet of the PV module and the
42. ffixed to the Sunny Multigate Symbols on the Type Labels Symbol c US LISTED Description UL1741 is the standard applied by Underwriters Laboratories to the product to certify that it meets the requirements of the National Electrical Code the Canadian Electrical Code CSA C22 1 and IEEE 929 2000 IEEE 929 2000 provides recommendations regarding the proper equipment and functionality necessary to ensure compatible operation when power generation is connected to the utility grid The product fulfills the requirements of the applicable FCC standard 22 SMG SB240US lA en 1 1 Installation Manual SMA America LLC A Product Description 4 4 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 Powerline interface Communication between Sunny Multigate and Other Communication Products Communication between the Sunny Multigate and other SMA communication products e g Sunny Portal Sunny Explorer takes place via Speedwire Webconnect Speedwire is an Ethernetbased type of communication You can connect the inverter to your local network via Speedwire Webconnect enables data exchange between Sunny Multigate and Sunny Portal In order to establish a connection to Sunny Portal the Sunny Multigate must be connected to a router
43. glowing orange The Sunny Multigate is in Warning mode l 4 If communication is 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 2 If no communication is possible disconnect the network cable from the Sunny Multigate and reconnect the Sunny Multigate again to the network see Section 8 1 If the error persists disconnect the Multigate from voltage see Section 10 and reconnect it see Section 6 9 Connecting the Sunny Multigate to the Utility Grid page 52 If the error persists contact the SMA Service Line glowing red The Sunny Multigate is in Fault mode 1 If communication is 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 2 If no communication is possible disconnect the network cable from the Sunny Multigate and reconnect the Sunny Multigate again to the network see Section 8 1 If the error persists disconnect the Multigate from voltage see Section 10 and reconnect it see Section 6 9 Connecting the Sunny Multigate to the Utility Grid page 52 If the error persists contact the SMA Service Line 64 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 11 Troubleshooting 11 2 Events Information Warnings and Errors Du
44. hanges without notice and shall not be responsible for any damages including indirect incidental or consequential damages caused by reliance on the material presented including but not limited to omissions typographical errors arithmetical errors or listing errors in the content material All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product or brand is not a registered trademark The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by SMA America LLC and SMA Solar Technology Canada Inc is under license SMA America LLC 3801 N Havana Street Denver CO 80239 U S A SMA Solar Technology Canada Inc 2425 Matheson Blvd E 7th Floor Mississauga ON L4W 5K4 Canada Installation Manual SMG SB240US lA en 1 1 3 IMPORTANT SAFETY INSTRUCTIONS SMA America LLC IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions for the system consisting of the following products e micro inverter model SB 240 US 10 e communication unit model Multigate US 10 This manual must be followed during installation and maintenance The products are designed and tested according to international safety requirements but as with all electrical and electronic equipment certain precautions must be observed when installing and or operating the products To reduce the risk of personal in
45. he inverter Do not touch any live components of the Sunny Multigate e Prior to performing any work on the inverter disconnect it from any voltage sources as described in this document see Section 9 e Prior to performing any work on the Sunny Multigate disconnect it from any voltage sources as described in this document see Section 10 e Observe the safety messages on the inverter and the Sunny Multigate A DANGER Risk of electric shock due to ground fault If a ground fault has occurred parts of the system that are supposedly grounded may in fact be live Death or serious injuries can occur from contact with live components e Prior to touching any components always disconnect the inverter from any voltage sources as described in this document see Section 9 e Prior to touching any components always disconnect the Sunny Multigate from any voltage sources as described in this document see Section 10 14 SMG SB240US lA en 1 1 Installation Manua SMA America LLC 2 Safety 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 death or serious injuries due to electric shock e Only operate the inverter and the Sunny Multigate provided that they are in safe and full working order e Regularly check for visible damage A WARNING Risk of burns from hot surfaces The surfaces of the inve
46. he same time pull out the AC connector 48 SMG SB240U5 IA en 1 1 Installation Manual SMA America LLC 6 Electrical Connection 6 6 4 Removing and Reassembling the AC Field Plug i Removing and reassembling the AC field plug is only possible within 72 hours e In total the AC field plug must 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 e The cable must be shortened again before each assembly Procedure 1 END rela Danger to life due to electric shock Do not disconnect the AC field plug under load e Ensure that the two pole circuit breaker is switched off and cannot be reconnected Ensure that the PV modules are covered 2 Disconnect the AC field plug from the AC cable of the inverter see Section 6 6 3 Loosen the nut of the AC plug enclosure 4 Remove the seal from the opening of the thread Make sure not to damage the fins of the AC plug enclosure 5 Detach the AC plug enclosure from the insulator To do this insert a slotted screwdriver te blade width 4 mm into the small slot of the AC plug enclosure and unlock the fastening clamps until the insulator is detached from the AC plug A enclosure 6 Loosen all three screws using a screwdriver and remove the conductors Shorten the cable and reassemble the AC field plug see Section 6 6 1 6 7 Option 2 AC Cabling with J
47. igate e Identify and eliminate the error see Section 11 1 LED Signals on the Sunny Multigate page 63 54 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 8 Configuration 8 Configuration 8 1 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 Required material not included in the scope of delivery o 1 network cable Cable requirements O OoOd o Cable type 100BaseTx CAT5 with S FTP or S STP shielding SMA recommends the cable type SMA COMCAB OUT xxx for outdoors and the cable type SMA COMCAB IN xxx for indoors in the lengths xxx 328 ft 100 m 656 ft 200 m 1 640 ft 500 m 3 280 ft 1 000 m Cross section at least 2 x 2 x 0 22 mm or at least 2 x 2 x AWG 24 Maximum cable length 328 ft 100 m UV resistant for outdoor use Type of plug RJ45 Requirements L The PV system is commissioned see Section 7 Commissioning page 54 OO 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 to the computer M The green LED in the pin connector is
48. ingers to push the seal as far as possible into the AC plug enclosure Lead the AC plug enclosure with the seal over the cable The thread must be facing the thread of the nut Mounting the Insulator 1 Push the stranded wires with the bootlace ferrules up to the stop in the pre mounted pin connectors inside the insulator L1 must be plugged into pin connector L1 L2 into pin connector L2 and the grounding conductor into the pin connector with the symbol M The bootlace ferrules are no longer visible Tighten the three screws in the insulator using a screwdriver torque 7 in lb 0 8 Nm Ensure that the individual stranded wires are positioned securely in the correct pin connectors of the insulator Completing Mounting of the AC Field Plug iF Push the AC plug enclosure onto the insulator The two parts snap audibly together The catch mechanism on the insulator and on the AC plug enclosure must be correctly aligned Screw the nut onto the AC plug enclosure and tighten with two different torques using a torque wrench e First tighten the nut with a torque of 29 2 in lb 3 3 Nm To do so set the value 26 6 in lb 3 0 Nm at the scale of the torque wrench specified by SMA e Then tighten the nut with a torque of 45 1 in lb 5 1 Nm To do so set the value 40 7 in lb 4 6 Nm at the scale of the torque specified by SMA Tip The indicated torque only applies to the torque wrench specified by SMA The value to be set on the tor
49. inverter due to moisture penetration When the inverter is open moisture can penetrate and cause damage to the inverter The inverter is no longer water tight and its function may be impaired e Never open the inverter A CAUTION Risk of fire e To reduce the risk of fire connect only to a circuit provided with 15 A maximum branch circuit overcurrent protection in accordance with the National Electrical Code NE ANSI NEFPA 70 38 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 6 Electrical Connection i Electrical installations 6 2 6 2 All electrical installations must be carried out in accordance with the local electrical standards and the National Electrical Code ANSI NFPA70 or the Canadian Electrical Code CSA C22 1 With an ungrounded PV array PV module the National Electrical Code ANSI NFPA 70 wiring methods are to be used including Sec 690 35 The provisions in National Electrical Code article 690 8 A 3 for determination of the maximum micro inverter output circuit current apply to this product The circuit conductors and overcurrent devices are considered to be subjected to the maximum micro inverter output circuit current and shall be sized to carry not less than 125 of the maximum currents as required by National Electrical Code article 690 8 A 3 The overcurrent protection for the AC output circuit is to be provided by others If cables of type TC ER Tray
50. ions 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 OO Ona router or modem with NAT Network Address Translation there should not be any port forwarding Potential communication problems can thus be prevented O There must be no packet filtering or manipulation for SIP packets on the router or modem O1 The registration ID RID and identification key PIC for registration in Sunny Portal must be available see additional label on the Sunny Multigate enclosure Procedure e Register the Sunny Multigate in Sunny Portal see User Manual Micro Inverter in Sunny Portal at www SunnyPortal com 8 3 Connecting the Sunny Multigate to Sunny Explorer Requirements L The PV system must be commissioned see Section 7 Commissioning page 54 OO A computer with an Ethernet interface must be available O The Sunny Multigate must be connected to the network O Sunny Explorer from software version 1 06 must be installed on the computer Procedure e Start Sunny Explorer and create a PV system see Sunny Explorer user manual at www SMA Solar com 56 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 8 Configuration 8 4 Changing the System Time and System Password To protect the inverter against unauthorized access and administer the PV system correctly change the standard system password and the system time by mea
51. jury and to ensure the safe installation and operation of the products you must carefully read and follow all instructions cautions and warnings in this manual Warnings in this document A warning describes a hazard to equipment or personnel It calls attention to a procedure or practice which if not correctly performed or adhered to could result in damage to or destruction of part or all of the SMA equipment and or other equipment connected to the SMA equipment or personal injury Symbol Description A DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury A CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE is used to address practices not related to personal injury KR SMG SB240US lA en 1 1 Installation Manual SMA America LLC IMPORTANT SAFETY INSTRUCTIONS Warnings on the products The following symbols are used as product markings with the following meanings Symbol Description Warning regarding dangerous voltage The product works with high voltages All work on the product must only be performed as described in the documentation of the product Beware of hot surface The product can become hot during operation Do not touch the prod
52. losure in accordance with the National Electrical Code and the following procedure Additionally required material not included in the scope of delivery O Connecting terminal plate for grounding the industrial enclosure its door and the Sunny Multigate O Cable type copper with conductor cross section of at least AWG 14 2 5 mm O Cable type aluminum made of copper coated wire with conductor cross section of at least AWG 12 4 mm Connect the grounding of the industrial enclosure to the grounding of the Sunny Multigate and the door of the industrial enclosure Use the connecting terminal plate for grounding Installation Manual SMG SB240US lA en 1 1 37 6 Electrical Connection SMA America LLC 6 Electrical Connection 6 1 Safety during Electrical Connection A DANGER Danger to life due to electric shock Do not disconnect under load PV plug connections must not be disconnected while under load They can be placed in a no load state by switching off the DC AC converter or breaking the AC circuit e Ensure that the two pole circuit breaker is switched off and cannot be reconnected e Ensure that the PV modules are covered 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 e Never open the Sunny Multigate NOTICE Damage to the
53. lugs release the screws with a slotted screwdriver blade width 3 5 mm and remove the Sunny Multigate Installation Manual SMG SB240US lA en 1 1 73 12 Decommissioning SMA America LLC 12 3 Packing the Inverter 1 Disassemble the inverter see Section 12 1 2 Pack the inverter the DC connector and the AC connector Use the original packaging or packaging that is suitable for the weight and dimensions of the inverter see Section 13 1 Sunny Boy 240 US page 75 12 4 Packing the Sunny Multigate 1 Disassemble the Sunny Multigate see Section 12 2 2 Pack the Sunny Multigate and the AC connector For this purpose use the original packaging or packaging suitable for the weight and size of the Sunny Multigate see Section 13 1 Sunny Boy 240 US page 75 12 5 Disposing of the Inverter and the Sunny Multigate e Dispose of the inverter and the Sunny Multigate in accordance with the locally applicable disposal regulations for electronic waste 74 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 13 Technical Data 13 1 Sunny Boy 240 US DC Input 13 Technical Data Maximum number of connected PV modules per inverter Maximum DC power at cos 1 250 W Maximum input voltage 45V MPP voltage range at 240 V 23 0 V to 32 0 V Operating range at 240 V 23 0 V to 40 0 V Rated input voltage 29 5 V Minim
54. merica LLC Dimensions for mounting with bolts 4 1 in 180 mm p T E E E E E o x amp a 2 g fl ge 7 ws D mM oO se oy a 6 I in 162 mm Figure 15 Dimensions of the drill holes for mounting with bolts Minimum clearances of the metal industrial enclosure O The minimum clearance of the metal industrial enclosure to the walls has to be ve in 12 7 mm Recommended clearances O Observe the recommended clearances within the industrial enclosure A in 98 mm B 57 in 150 mm Figure 16 Recommended clearances Permitted mounting positions O Only mount the Sunny Multigate horizontally in the industrial enclosure 34 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 5 Mounting 5 5 Mounting the Sunny Multigate in the Industrial Enclosure Mounting Options Mounting on top hat rail in industrial enclosure with back panel complying with UL5OE Mounting with bolts in industrial enclosure with back panel complying with UL50E Additionally required mounting material not included in the scope of delivery o 000 o For indoor use industrial enclosure complying with UL50E Type 1 For outdoor use industrial enclosure complying with UL50E Type 3 Back panel that is suited for the industrial enclosure complying with UL50E For mounting on top hat rail top hat rail DIN rail
55. micro inverters and the utility grid to feed the alternating current converted by the micro inverters collectively into the utility grid Figure 5 Design of the Sunny Multigate Item Designation A Press out lugs for mounting with screws B Screw terminal for AC input inverter Labeling Inverter LEDs D Interface for optional communication E Type label 18 SMG SB240US lA en 1 1 Installation Manua SMA America LLC A Product Description Item Designation F Screw terminal for AC output utility grid Labeling Grid G Pin connector for connecting network cable The Sunny Multigate is equipped with two LEDs The upper LED indicates the operating state of the inverter The lower LED indicates the operating state of the Sunny Multigate Depending on the operating state the LEDs are glowing green red or orange or are off see Section 11 1 LED Signals on the Sunny Multigate page 63 The transmission and transfer of data with the connected micro inverters takes place via Powerline Communication Data transmission from the Sunny Multigate to external devices takes place via Speedwire Installation Manual SMG SB240US lA en 1 1 19 4 Product Description SMA America LLC 4 3 Type Labels and Stickers Sunny Boy The type label provides a unique identification of the inverter The type label is located on the right hand and left hand sides of the enclosure On the l
56. n FCC Compliance This device complies with Part 15 of the FCC Rules Operation is subject to the following conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help The user is cautioned that changes or modifications not expressly approved by SMA America
57. ns of Sunny Explorer for further information refer to the manual or help of the Sunny Explorer Requirements 1 A computer with an Ethernet interface must be available O Sunny Explorer from software version 1 06 must be installed on the computer L The system must be registered in Sunny Explorer Procedure 1 Access the Sunny Explorer user interface 2 Change the standard system password This protects your PV system from unauthorized access 3 Change the system time 8 5 Changing the Operating Parameters By default the inverter is set to a specific country data set You can find the country data set to which the inverter has been set on the enclosed Production Test Report or on the type label Each country data set contains various operating parameters which can be individually set according to the respective country After commissioning you can change the parameters in Sunny Explorer Requirements OO A computer with an Ethernet interface must be available O Sunny Explorer from software version 1 06 must be installed on the computer L The system must be registered in Sunny Explorer O The changes to the grid relevant parameters must be approved by the responsible grid operator Procedure 1 Access the Sunny Explorer user interface 2 Select and set the desired parameter 3 Save setting Installation Manual SMG SB240US lA en 1 1 57 8 Configuration SMA America LLC 8 6 Deactivating the Webconnect Function Requir
58. on to inverters As standard Speedwire Webconnect communication to As standard SMA communication products RJ45 Display of the PV system and communication 2 LEDs Torques Screw terminals 5 31 indb 0 6 Nm Data Storage Capacity Energy yield over the day per inverter At least 63 days Daily yields per inverter At least 30 years Event messages of the Sunny Multigate for users At least 1 024 events Event messages of the Sunny Multigate for installers At least 1 024 events Event messages per inverter for users At least 256 events Event messages per inverter for installers At least 256 events 13 3 Torques of AC Field Plug Screw in insulator 7 in lb 0 8 Nm Nut of AC plug enclosure initial torque 29 2 in lb 3 3 Nm Nut of AC plug enclosure end torque 45 1 indb 5 1 Nm Installation Manual SMG SB240US lA en 1 1 79 14 Accessories 14 Accessories SMA America LLC You will find the corresponding accessories and spare parts for your product in the following overview If required these can be ordered from SMA or your distributor MCA US Designation Brief description SMA order number DC plug assembled DC plug assembled Multi Contact MI DCM3 US 10 MC3 US KST3 Multi Contact USA type PV KST3II UR male type PV KBTSII UR female AWG 14 maximum rated 600 V DC 20 A DC DC plug assembled DC plug
59. ponents that are not explicitly recommended for this product or distributed by SMA Use the Sunny Boy in accordance with the information provided in the enclosed documentation only Any other use can result in personal injury or property damage e Do not connect any loads between the Sunny Boy and the Sunny Multigate 12 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 2 Safety e The grounding conductor of the AC cable from the inverter must be connected to the Sunny Multigate e The equipment grounding conductor must be connected to the equipotential bonding of the AC distribution board e 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 directly on the module frame e Do not mount the Sunny Boy in areas where flammable gases may occur e Do not mount the Sunny Boy in areas containing highly flammable materials Do not mount the Sunny Boy in potentially explosive atmospheres The enclosed documentation is an integral part of this product e Read and observe the documentation e Keep the documentation in a convenient place for future reference Sunny Multigate US 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 connected between the micro inverters and
60. que wrench is lower than the actual value for more information on the calculation of the torque to be set visit www stahlwille com A torque wrench consists of the following components torque wrench basic device square insertion tool and crow s foot wrench Make sure that the nut of the AC plug enclosure is securely fastened Installation Manual SMG SB240US lA en 1 1 47 6 Electrical Connection SMA America LLC 6 6 2 Connecting the AC Field Plug to the AC Cable of the Inverter 1 EOIN Danger to life due to electric shock Do not connect the AC field plug under load e Ensure that the two pole circuit breaker is switched off and cannot be reconnected e Ensure that the PV modules are covered 2 Plug the free end of the AC cable connected to the inverter into the pin connector of the assembled sy AC field plug M The AC field plug snaps audibly into place __g gt The catch mechanisms of both plugs must be correctly aligned 6 6 3 Disconnecting the AC Field Plug from the AC Cable of the Inverter 1 END rela Danger to life due to electric shock Do not disconnect the AC field plug under load e Ensure that the two pole circuit breaker is switched off and cannot be reconnected Ensure that the PV modules are covered 2 Unlock and remove the AC field plug from the AC connector of the inverter To do this hook a slotted screwdriver blade width 4 mm into the wide slot at the AC field plug and lever it open At t
61. rature below 113 F 45 C contact the SMA Service Line 8101 to 8102 Communication disturbed 8101 8102 An error has occurred in the internal communication Feed in operation continues Corrective measures e Contact the SMA Service Line 8104 Interference of 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 Sunny Multigate and the inverters cannot be operated in this combination Corrective measures 1 Contact the SMA Service Line and request the latest firmware package 2 Ifthe problem persists the device combination is invalid Contact the SMA Service Line 70 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 11 Troubleshooting Event number 9015 Event cause and corrective measures Max permitted number of inverters exceeded 9015 The number of inverters connected exceeds the number specified in the currently set standard Corrective measures e Remove claimed number of inverters until the maximum permitted number is reached see user manual of the communication product 10221 New device cannot be administered 10221 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line 10259 Inconsistent communication version 10259 The communication version of the inverter is not
62. ring 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 Inverters Event Event cause and corrective measures number 102 Grid fault Grid overvoltage fast 102 The line voltage or grid impedance at the connection point of the inverter is too high The inverter has disconnected from the utility grid Corrective measures e Check that the line voltage at the connection point of the inverter is permanently in the permissible range If the line 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 line voltage is permanently in 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 line voltage at the connection point of the inverter is too low The inverter has disconnected from the utility grid Corrective measures 1 Ensure that the circuit breaker is switched on 2 Ensure that the AC cable is not damaged 3 Ensure that the AC cable is correctly connected
63. rotective cap are plugged in the connection area will be protected from moisture ingress As a result the inverter complies with Type 3R 5 2 Mounting the Inverter 5 2 1 Mounting the Inverter on the Roof A WARNING Risk of death or serious injury when working on the roof There is a risk of falling or slipping when working on the rooftop Observe the following instructions when working on the rooftop Observe the applicable accident prevention regulations for work on rooftops e Before walking on the roof check and ensure the load bearing capacity of all parts subjected to load e According to the accident prevention regulations a safety harness must be worn or a safety scaffold must be used Use an anti fall guard 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 recommends mounting the inverter with the enclosure lid to the roof to ensure better heat dissipation Observe the minimum clearance of the inverter to the PV module i Information on the illustrations in this section The illustrations show the recommended mounting option for the inverter with the lid to the roof The procedure for mounting the inverter with the back panel to the building ground is identical and is not depicted in the illustrations in this section i Position of the inverter In order to ensure
64. rrent with lt 3 total harmonic factor of the AC voltage lt 2 and AC power gt 50 of the rated power Rated power frequency 60 Hz AC power frequency 60 Hz Operating range at AC power frequency 60 Hz 59 3 Hz to 60 5 Hz Power factor at rated power Feed in phases 2 Connection phases 2 Overvoltage category IV 2x120 V split phase Protective Devices Overvoltage protection Varistors Maximum permissible fuse protection 15A General Data Width x height x depth 6 in x 3 Vz in x 2 Yin 162 mm x 90 mm x 63 mm Weight 11 Ibs 0 7 kg Operating temperature range 40 F to 113 F 40 C to 45 C Storage temperatur 40 F to 158 F 40 C to 70 C Maximum permissible value for relative humidity non condensing 100 78 SMG SB240US lA en 1 1 Installation Manua SMA America LLC 13 Technical Data Maximum operating altitude above MSL 9 840 ft 3 000 m Cooling concept Convection Industrial enclosure for indoor use Type 1 Enclosure type rating in accordance with UL50E Industrial enclosure for outdoor use Type 3 Enclosure type rating in accordance with UL50E Protection class Pollution degree 3 Approvals and country standards in accordance with 05 2013 ULI741 IEEE 1547 FCC Part 15 Class A amp B CAN CSA C22 2 No 107 1 1 status Features Power line communicati
65. rsonnel only 6 SMG SB240US lA en 1 1 Installation Manual SMA America LLC Table of Contents Table of Contents Information on this Document eee eee eee 10 2 Safe o cache steko Oo ssa e na od Ops es Sere ae bat 12 Dale Intended Useisiin ot te Soe Gea bp Slee nk gre ued wae ean nae mM 12 2 2 Skills of Qualified Persons 53025425 4 238 d4262 Sob tee ad 14 2 3 Safety Precquuions weed e een wesw air eke serena ES 14 3 Scope onDelivery sii ocean tvin tees eo eeieeeeaes ts 16 Product Descriptions 4 assis sued seed ees See seks 18 AT SUNNY BOY ioc t cate oh Sakon ak oe Noes Skee te es 18 4 2 Sunny Moltigate paics esel sane Bards bate ee oe rer he wed ee 18 4 3 Type Labels and Stickers vag oe lt cots Galton wean wtes eleehin 20 A A Communication 0 0 cece ence eens 23 2 MOUNTING side sso cee eee neato Rees ae ea 24 5 1 Requirements for Mounting the Inverter 0000s ee 24 5 2 Mounting the Inverter v 04 ek aes Bee ee oe 27 5 2 1 Mounting the Inverter on the Roof 00 cece eee eee 27 5 2 2 Mounting the Inverter on the Wall 20005 29 5 3 Grounding the Inverter Enclosure 00 00 cere ee eee 30 5 4 Requirements for the Mounting of the Sunny Multigate 32 5 5 Mounting the Sunny Multigate in the Industrial Enclosure 35 5 6 Grounding the Metal Industrial Enclosure 0000000s 37 6 Electrical Connection sc 5 35 aes ecw ee
66. rter and the Sunny Multigate 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 e Do not touch hot surfaces e Wait ten minutes for the surface to cool sufficiently before performing any work on the inverter e Observe the safety 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 e Seal all inverter pin connectors with the appropriate plugs or protective caps 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 must always be installed in an industrial enclosure complying with UL5OE This ensures that the Sunny Multigate is protected against dust and moisture and is suitable for indoor and outdoor operation e For indoor use always install the Sunny Multigate in a Type 1 industrial enclosure with pollution degree 3 e For outdoor use always install the Sunny Multigate in a Type 3 industrial enclosure with pollution degree 3 Installation Manual SMG SB240US lA en 1 1 15 3 Scope of Delivery SMA America LLC 3 Scope of Delivery Check the scope of delivery for completeness and any external visible damage Contact your distributor if the scope of deliv
67. s e Before carrying out any of the following work wait five minutes for the capacitors to discharge Installation Manual SMG SB240US lA en 1 1 61 10 Disconnecting the Sunny Multigate from Voltage Sources SMA America LLC 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 electric shock if you open the Sunny Multigate e Never open the Sunny Multigate Before working on the Sunny Multigate always disconnect it from voltage sources as described in this section Procedure 1 FWD ela Danger to life due to electric shock e Disconnect the two pole circuit breaker and secure against re connection 2 Ensure that no voltage is present at the AC terminal Grid between conductor L1 and the grounding conductor Use a suitable multimeter for this 3 Ensure that no voltage is present at the AC terminal Grid between conductor L2 and the grounding conductor Use a suitable multimeter for this 4 Ensure that no voltage is present at the AC terminal Inverter between conductor L1 and the grounding conductor Use a suitable multimeter for this 5 Ensure that no voltage is present at the AC terminal Inverter between conductor L2 and the grounding conductor Use a suitable multimeter for this 62 SMG SB240US lA en 1 1 Installation Manual SM
68. s located at the beginning of the PV system and directly connected to the Sunny Multigate via the AC cable First inverter Inverter which is located at the end of the PV system and not directly connected to the Sunny Multigate Last inverter The terms Sunny Boy Sunny Boy 240 US micro inverter and inverter are synonymous in this document For simplicity the general term inverter is often used Installation Manual SMG SB240US lA en 1 1 2 Safety SMA America LLC 2 Safety 2 1 Intended Use Sunny Boy 240 US 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 US communication unit PV module itm PV module PV module Power distribution grid Figure 1 Design of a PV system with Sunny Boy 240 US and Sunny Multigate US The Sunny Boy is suitable for indoor and outdoor use The Sunny Boy may only be connected to one PV module The PV module used must be compatible for use with the Sunny Boy The Sunny Boy must be operated with the Sunny Multigate All components must remain within their permitted operating ranges at all times The product may only be used in countries for which it is approved or released by SMA and the grid operator For safety reasons it is forbidden to modify the product or install com
69. supported Corrective measures 1 Contact the SMA Service Line and request the latest firmware package 2 Ifthe problem persists the device combination is invalid Contact the SMA Service Line 10265 The device with serial number X is not available for X day s 10265 The communication with one or several inverters is no longer possible Corrective measures 1 Check cables and inverters for loose connectors or damages 2 Check PV modules for soiling or damages 3 If the problem persists contact the SMA Service Line 10267 Loss of communication to one or several devices 10267 The communication with one or several inverters is no longer possible Corrective measures 1 Check cables and inverters for loose connectors or damages 2 Check PV modules for soiling or damages 3 If the problem persists contact the SMA Service Line Installation Manual SMG SB240US lA en 1 1 71 11 Troubleshooting SMA America LLC 11 3 Checking the PV System for Ground Faults If the Inverter LED 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 WARNING Danger to life due to electric shock In the event of a ground fault high voltages can be present e No pole of the PV module must be grounded Only touch the cables of the PV modules on their insulation e Do not touch any parts of the
70. swapped O The AC cable of the utility grid is correctly connected to the Sunny Multigate All conductors must be connected according to the terminal labels No conductors must be swapped NOTICE Damage to the Sunny Multigate due to incorrectly connected conductors If the grounding conductor and L1 or L2 are swapped the Sunny Multigate could be damaged during commissioning e Be sure to observe the terminal labels on the Sunny Multigate e All conductors must be connected according to the terminal labels e Ensure that all terminals are correctly allocated Procedure e Switch the two pole circuit breaker on M Both LEDs on the Sunny Multigate are glowing green Feed in operation begins Xx The LED Inverter is off There is a disturbance in the PV system e 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 2 Events Information Warnings and Errors page 65 The LED Inverter on the Sunny Multigate is glowing orange or red There is a disturbance in at least one of the connected inverters e 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 2 Events Information Warnings and Errors page 65 Xx The LED Multigate on the Sunny Multigate is glowing orange or red There is a disturbance in the Sunny Mult
71. talled in the industrial enclosure Cable requirements O Do not use shielded cables Only use copper cables Only use cables with stranded wires Temperature at least 194 F 90 C wet dry Conductor cross section AWG 16 to AWG 10 1 5 mm to 6 mm O Do not use Wire Nuts Procedure 1 END ela Danger to life due to electric shock Do not disconnect under load 0000 PV plug connections must not be disconnected while under load They can be placed in a no load state by switching off the DC AC converter or breaking the AC circuit e Ensure that the two pole circuit breaker is switched off and cannot be reconnected e Ensure that the PV modules are covered 2 Route the AC cable of the inverter through one opening at the bottom of the industrial enclosure to the Inverter terminal of the Sunny Multigate 3 Strip the insulation of the three AC cable conductors by 3 4 in 8 mm 4 NOTICE Damage to the Sunny Multigate due to incorrectly connected conductors If the grounding conductor and L1 or L2 are swapped the Sunny Multigate could be damaged during commissioning e Be sure to observe the terminal labels on the Sunny Multigate e Connect all conductors according to the terminal labels 50 SMG SB240US lA en 1 1 Installation Manual SMA America LLC 6 Electrical Connection 5 Connect the grounding conductor of the AC cable to the terminal of the Sunny Multigate Make sure that the conductor is inserted into
72. tdoor use always install the Sunny Multigate in a Type 3 industrial enclosure with pollution degree 3 L The mounting location must be inaccessible to children O The mounting location must be suitable for the installation of the Sunny Multigate in a industrial enclosure of Type 1 or Type 3 O AC cable route of the entire PV system with Sunny Multigate maximum 100 ft 30 m SUNNY BOY SUNNY BOY SUNNY BOY SUNNY MULTIGATE 100 ft 30 m Figure 14 Maximum AC cable route of the PV system O A robust building ground must be available for mounting the device e g concrete walls In living areas make sure that the building ground is not made of plasterboard or similar O The mounting location must be suitable for the weight and dimensions of the industrial enclosure with the Sunny Multigate see Section 13 2 Sunny Multigate US page 78 O The mounting location should be clear 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 13 2 Sunny Multigate US page 78 O The ambient temperature must be between 40 F and 1 13 F 40 C and 45 C This will ensure optimal operation of the Sunny Multigate Installation Manual SMG SB240US lA en 1 1 33 5 Mounting SMA A
73. tem Password 57 8 5 Changing the Operating Parameters 0 eee eee 57 8 6 Deactivating the Webconnect Function a aaa 0000s eee eee 58 8 7 Adjustable Parameters o wees en aes eeweu aee wes a8 59 9 Disconnecting the Inverter from Voltage Sources 60 10 Disconnecting the Sunny Multigate from Voltage Sources 62 11 Troubleshooting vice is ikke sGiieed sedans edae Wins 63 11 1 LED Signals on the Sunny Multigate 00 0 63 11 2 Events Information Warnings and Errors 2 0000 eee eee 65 11 3 Checking the PV System for Ground Faults 05 72 12 Decommissioning cc cece cece ccc ceccevcees 73 12 1 Disassembling the Inverter nunun nuuanu 73 12 2 Uninstalling the Sunny Multigate 0 cece eee eee 73 12 3 Packing helnvereriacitat2occuedeste sia bitds seen bat ten 74 12 4 Packing the Sunny Multigates cis nwirax enema ae eweenan 74 12 5 Disposing of the Inverter and the Sunny Multigate 74 8 SMG SB240US lA en 1 1 Installation Manual SMA America LLC Table of Contents 13 Technical Data osectss ces vedaay ovens Rae 75 iS Sunny Boy 240 US iss re eels nib Beet gs Sete ads oe bbe Heh ESS 75 13 2 Sunny Muligate US ott ae tal tt Gd ie ohn lie Sila tg 78 13 3 Torques of AC Field Plugs o com ortaicwt owes toler SaeueNe s 79 T4 Accessories ed iors ae a SES eS eS EAS 80 15 Compliance Information 2 cece cece ees 82 T
74. the terminal right up to the stop 6 Connect the conductor L1 of the AC cable to the terminal L1 of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop 7 Connect the conductor L2 of the AC cable to the terminal L2 of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop 8 Tighten all three screws of the connecting terminal plate using a slotted screwdriver torque 5 31 intb 0 6 Nm 9 Ensure that all terminals are correctly allocated 10 Ensure that all conductors are securely in place Installation Manual SMG SB240US lA en 1 1 51 6 Electrical Connection SMA America LLC 6 9 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 labelled Grid according to the following procedure Additionally required tools not included in the scope of delivery O Slotted screwdriver blade width 3 5 mm Cable requirements O Only use copper cables O Only use cables with stranded wires O Temperature at least 194 F 90 C wet dry O Conductor cross section AWG 16 to AWG 10 1 5 mm to 6 mm O Do not use Wire Nuts Requirements O All electrical installations must be carried out in accordance with all electrical standards applicable on site and the National Electrical Code NE ANSI NFPA 70 see National Electrical Code p
75. the utility grid to feed the alternating current converted by the micro inverters collectively into the utility grid The Sunny Multigate is designed for split phase operation only The Sunny Multigate must be operated in conjunction with SMA micro inverters of type SB 240 US 10 The Sunny Multigate must always be installed in a dust tight and water tight industrial enclosure complying with the fire protection class 5VA and pollution degree 3 For indoor use an industrial enclosure Type 1 with back panel complying with UL50O is required For outdoor use an industrial enclosure Type 3 with back panel complying with UL5OE is required The product may only be used in countries for which it is approved or released by SMA and the grid operator For safety reasons it is forbidden to modify the product or install components that are not explicitly recommended for this product or distributed by SMA Only use the Sunny Multigate in accordance with the information provided in the enclosed documentation Any other use can result in personal injury or property damage e A maximum of twelve micro inverters can be connected to the Sunny Multigate e No loads may be connected between the Sunny Multigate and the circuit breaker e The grounding conductor of the AC cable from the inverter must be connected to the Sunny Multigate e The grounding conductor of the Sunny Multigate must be connected to the equipotential bonding of the AC distribution board
76. ting Li 2 3 For mounting on a top hat rail attach the Sunny Multigate to the top hat rail from above and hook it in M The Sunny Multigate snaps into place with an audible click Ensure that the Sunny Multigate is securely in place Attach the supplied warning labels clearly legible on the outside of the enclosure lid Mounting with Bolts For mounting with bolts use the four lugs on the rear panel of the Sunny Multigate l 36 A WARNING Danger to life due to electric shock If screws or conductors on the connecting terminal plate are touched there is a risk of electric shock e To avoid contact with screws or conductors only use screws with max head height of 15 4 in 6 mm for mounting on the brackets Press the brackets out from the inside M The brackets snap audibly into place Mark the drill holes on the back panel using the brackets as a template Drill the holes into the back panel Insert screws with a maximum head height of Lr in 6 mm through the brackets and tighten Make sure not to damage the brackets Ensure that the Sunny Multigate is securely in place Attach the supplied warning labels clearly legible on the outside of the industrial enclosure lid SMG SB240US lA en 1 1 Installation Manual SMA America LLC 5 Mounting 5 6 Grounding the Metal Industrial Enclosure If you use an industrial enclosure made of metal you must ground the industrial enc
77. to the middle AC pin connector of the next inverter SH Plug the protective cap into the free AC pin connector of the last inverter M The protective cap snaps audibly into place t a Ensure that the AC connectors and the protective cap in the inverter pin connectors are securely in place Connect the free end of the AC cable of the first inverter to the AC field plug or to the terminal of the junction box as follows e Option 1 via AC field plug see Section 6 6 Option 1 AC Cabling with AC Field Plug page 45 e Option 2 via junction box with feed through terminal see Section 6 7 Option 2 AC Cabling with Junction Box page 49 Connect the PV module to the inverter see Section 6 4 SMG SB240US IlA en 1 1 Installation Manual SMA America LLC 6 Electrical Connection 6 4 Connecting the PV Module to the Inverter NOTICE Damage to the inverter due to moisture penetration When the inverter is open moisture can penetrate and cause damage to the inverter The inverter is no longer water tight and its function may be impaired e Never open the inverter Only connect one PV module to each inverter in accordance with the following procedure Requirements O All electrical installations must be carried out in accordance with all electrical standards applicable on site and the National Electrical Code NE ANSI NFPA 70 see National Electrical Code paragraph 690 8 B 1 paragraph 690 8 A 3
78. uct during operation Observe the operating instructions Read the documentation of the product before working on it Follow all safety precautions and instructions as described in the documentation Installation Manual SMG SB240US lA en 1 1 5 General Warnings SMA America LLC General Warnings A WARNING All electrical installations must be done in accordance with the local and National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code CSA C22 1 This document does not and is not intended to replace any local state provincial federal or national laws regulation or codes applicable to the installation and use of the product including without limitation applicable electrical safety codes All installations must conform with the laws regulations codes and standards applicable in the jurisdiction of installation SMA assumes no responsibility for the compliance or noncompliance with such laws or codes in connection with the installation of the product The product contains no user serviceable parts For all repair and maintenance always return the unit to an authorized SMA Service Center Before installing or using the product read all of the instructions cautions and warnings in this manual Before connecting the product to the electrical utility grid contact the local utility company This connection must be made only by qualified personnel Wiring of the product must be made by qualified pe
79. um 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 input current per string 8 5 A Maximum short circuit current per module 12A Number of independent MPP inputs 1 Strings per MPP input 1 AC Output Rated power at 240 V 60 Hz 240 W Maximum apparent AC power 240 VA Rated grid voltage 240 V Nominal AC voltage 2x120V AC voltage range 211 V to 264 V Nominal AC current at 2 x 120 V 1A Maximum output current 1A Total harmonic factor of the output current with lt 3 total harmonic factor of the AC voltage lt 2 and AC power gt 50 of the rated power Maximum output fault current 241A Maximum output duration 3 18 ms Line synchronization characteristics Type 2 Line synchronization in rush current 123 mA Rated power frequency 60 Hz Installation Manual SMG SB240US lA en 1 1 75 13 Technical Data SMA America LLC AC power frequency 60 Hz Operating range at AC power frequency 60 Hz 59 3 Hz to 60 5 Hz Limits of accuracy of voltage measuremet 1 2 Limits of accuracy of frequency measurement 0 05 Hz 0 1 Limits of accuracy of time measurement 0 1 Power factor at rated power Feed in phases 2 Connection phases 2 Overvoltage category with Sunny Multigate IV 2x 120 V split phase Protective Devices DC reverse polarity protection Short circuit diode Grid Monitoring SMA Grid Guard
80. unction Box As an alternative to the AC field plug you can use a junction box with feedthrough 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 All electrical installations must be carried out in accordance with the locally applicable electrical standards and the National Electrical Code NE ANSI NFPA 70 see National Electrical Code paragraph 690 8 B 1 paragraph 690 8 A 3 e This cable assembly must be installed in an in accessible location or in a National Electrical Code compliant conduit Installation Manual SMG SB240US lA en 1 1 49 6 Electrical Connection SMA America LLC 6 8 Connecting the Inverter to the 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 labelled Inverter Additionally required tools not included in the scope of delivery O Slotted screwdriver blade width 3 5 mm Requirements O Allelectrical installations must be carried out in accordance with all electrical standards applicable on site and the National Electrical Code NE ANSI NFPA 70 see National Electrical Code paragraph 690 8 B 1 paragraph 690 8 A 3 or the Canadian Electrical Code CSA C22 1 O The Sunny Multigate is correctly ins
81. unny Portal F 1 Installation manual for Sunny Boy and Sunny Multigate mounting overview Production Test Report 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 the protective cap Keep this sticker with your access data for the registration in Sunny Portal for later reference You can also find your access data on the type label of the Sunny Multigate AC Cable a Figure 4 Element included in the scope of delivery of the AC cable A Item Number Designation A AC cable with two connectors Installation Manual SMG SB240US lA en 1 1 17 A Product Description SMA America LLC 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 Symbols on the Inverter Symbol Description Equipment grounding terminal 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 connected between the

SUNNY BOY 240-US / SUNNY MULTIGATE-US

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