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SUNNY BOY 240-US / SUNNY MULTIGATE-US

1. Prior to performing any work on the inverter always disconnect it from all voltage sources as described in this section Observe the given sequence If you want to disconnect several inverters from voltage sources you must repeat the following procedure for each inverter Procedure 1 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 Disconnect the two pole circuit breaker and secure against reconnection e Cover the PV modules 2 Release and remove all connected AC connectors from the inverter Hook a flat blade screwdriver blade width 4 mm 0 16 in into the wide slot on the plug and lever it open At the same time pull out the AC connector without pulling the cable 3 Release and remove the DC plug from the inverter Hook a flat blade screwdriver blade width 4 mm 0 16 in into the wide slot on the plug and lever it open At the same time remove the DC plug without pulling the cables 4 Make sure that no voltage is present at the DC pin connector on the inverter Use a suitable measuring device Installation Manual SMG SB240US lA en 13 57 9 Disconnecting the Inverter from Voltage Sources SMA America LLC 5 Use a flat blade screwdriver to remove the protective cap Hook the flat blade screwdriver blade width
2. 5 1 Nm 45 1 indb Installation Manual SMG SB240US lA en 13 75 14 Accessories 14 Accessories You will find the corresponding accessories and spare parts for your product in the following overview If required these can be ordered from SMA or your distributor Designation DC plug assembled MC4 US Brief description 24 DC plugs assembled Multi Contact KST4 Multi Contact USA type KST4 2 5Il UR male type PV KBT4 2 5II UR female AWG 14 maximum rated 600 V DC 30 ADC SMA America LLC SMA order number MI DCMC4 US 10 DC plug assembled Tyco US 24 DC plugs assembled with Tyco Solar lock Tyco Electronics AMP GmbH type 1394461 male type 1394462 female AWG 14 rated maximum 600 V DC 25 ADC MLDCTYCO US 10 AC field plug US 20 AC field plugs ACCON US 10 AC protective cap 200 AC protective cap MI ACCAP US 10 AC cable 1 40 m 4 6 in AC cable 2 0 m 6 ft 24 AC cables with counterplugs for con necting the inverters among each other 24 AC cables with counterplugs for con necting the inverters among each other MI ACCAB 14 US 10 MI ACCAB20 US 10 Cable for AC field plug AC cables for connecting the inverters to MG ACCAB 100 US 10 100 m 328 ft the Sunny Multigate Cable for AC field plug AC cables for connecting the inverters to MG ACCAB200 US 10 200 m 656 ft the Sunny Multigate Cable for AC field plug in acc
3. O All inverters must be correctly mounted O The AC connectors must be firmly plugged in O The DC plug and the connectors must be firmly plugged in O The connection areas of all inverters must be dry and sealed rain tight by means of connectors and where applicable a protective cap L The PV modules must be correctly mounted O The circuit breaker must be correctly rated O The Sunny Multigate must be correctly installed in the industrial enclosure O The unused AC pin connector on the last inverter of the PV system must be sealed with a protective cap O The first inverter of the PV system must be correctly connected to the Sunny Multigate via the AC cable All conductors must be connected in accordance with the terminal labels No conductors must be swapped O The AC cable of the utility grid must be correctly connected to the Sunny Multigate All conductors must be connected in accordance with the terminal labels No conductors must be swapped 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 in accordance with the terminal labels e Make sure that all terminals are correctly allocated Procedure e Switch on the two pole circuit breaker M Both LEDs on the S
4. 11 Connect the grounding conductor of the AC Connect the conductor L1 of the AC cable to the Connect the conductor L2 of the AC cable to the Make sure that all terminals are correctly 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 in accordance with the terminal labels cable to the terminal ofthe Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop terminal L1 of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop terminal L2 of the Sunny Multigate Make sure that the conductor is inserted into the terminal right up to the stop Tighten all three screws of the connecting terminal plate using a flat blade screwdriver blade width 3 5 mm 0 14 in torque 0 6 Nm 5 31 in lb allocated afl Make sure that all conductors are securely in place Installation Manual SMG SB240US lA en 13 47 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 labeled Grid according to the following procedure Cable requiremen
5. 11 2 Events Information Warnings and Errors During operation of the PV system events may occur which can refer to one or several inverters or the Sunny Multigate Events can be information warnings or errors All events are displayed in the communication product you are using e g Sunny Portal Sunny Explorer Sunny Explorer additionally displays the corresponding event number for each event Installation Manual SMG SB240US lA en 13 61 11 Troubleshooting SMA America LLC Inverter Event number 102 Event cause and corrective measures 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 whether 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 within the permissible range and this message is still displayed contact the SMA Service Line 202 Grid fault Grid undervoltage fast 202 The utility grid has been disconnected the AC cable is damaged or the line voltage at the connection point of the inverter is too low The inverter has disconnected from the utility grid Corrective measu
6. Figure 10 Material for equipment grounding included in the scope of delivery Position Designation A Grounding bolt B Clamping bracket G Washers D Hexagon nuts Installation Manual SMG SB240US lA en 13 27 5 Mounting SMA America LLC Ground the inverter enclosure as follows Cable requirements O Only use copper cables O Use only cables made of solid wire O Cross section of the equipment grounding conductor 4 mm to 16 mm 12 AWG to 6 AWG NOTICE Damage to the PV module due to insufficient clearance between the inverter and the PV module bottom side For roof mounting the clearance from the inverter to the bottom side of the PV module must be at least 30 mm 1 2 in This will prevent the grounding bolt from damaging the PV module Procedure 1 Insert the grounding bolt into the hole with the bolt head facing the support surface e g rail and push it to the righthand stop 2 Position a washer on the grounding bolt 3 Align the equipment grounding conductor horizontally underneath or on top of the grounding bolt 4 Position the clamping bracket on the grounding bolt over the equipment grounding conductor Depending on the conductor cross section the clamping bracket will not necessarily lock into place in the horizontal slots 28 SMG SB240US lA en 13 Installation Manual SMA America LLC 5 Mounting 5 Place the second washer and one hexagon nut on the gr
7. Internacional 1 916 625 0870 Canada SMA Canada Inc Canada Toronto Toll free for Canada gratuit pour le Canada 1 877 MY SMATech 1 877 697 6283 Installation Manual SMG SB240US lA en 13 79 SMA Solar Technology
8. LLC Maximum permissible value for relative humid ity non condensing 13 Technical Data 100 Maximum operating altitude above mean sea level 3000 m 9840 ft Cooling concept Convection Industrial enclosure for indoor use degree of Type 1 protection complying with UL50E Industrial enclosure for outdoor use degree of Type 3 protection complying with UL50E Protection class l Pollution degree 3 Approvals and national standards as per 09 2013 UL1741 IEEE 1547 FCC Part 15 Class A amp B CAN CSA C22 2 No 107 1 1 Features Power line communication to inverters As standard Speedwire Webconnect communication to As standard SMA communication products RJ45 Display of the PV system and communication sta 2 LEDs tus Torques Screw terminals 0 6 Nm 5 31 indb 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 1024 events Event messages of the Sunny Multigate for in stallers At least 1024 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 Plugs Screw in insulator Nut of the AC plug enclosure initial torque 0 8 Nm 7 indb 3 3 Nm 29 2 indb Nut of the AC plug enclosure end torque
9. changes or modifications are only permitted with the express written permission of SMA Making unauthorized changes will void the warranty and warranty claims and will normally result in invalidation of the operating permit SMA shall not be held liable for any damages caused by such changes Any use of the product other than that described in the Intended Use section does not qualify as appropriate The enclosed documentation is an integral part of this product Read and observe the documentation and keep it in a convenient place for future reference 12 SMG SB240US lA en 13 Installation Manual SMA America LLC 2 Safety The type label must remain permanently attached to the product e A maximum of twelve micro inverters can be connected to the Sunny Multigate e No loads must be connected between the Sunny Boy and the Sunny Multigate e No loads must be connected between the Sunny Multigate and the circuit breaker e The grounding conductor of the AC cable from the inverter must be connected to the Sunny Multigate e The grounding conductor of the utility grid must be connected to the grounding conductor terminal of the Sunny Multigate e The Sunny Multigate must not be opened 2 2 Skills of Qualified Persons The tasks described in this document may only be performed by qualified persons Qualified persons must have the following skills e Knowledge of how an inverter works and is operated e Training in how to deal with the dan
10. use the four brackets on the rear panel of the Sunny Multigate LO AWARNING 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 between screws and conductors only use screws with a maximum head height of 6 mm 0 2 in for mounting on the brackets 2 Press the brackets out from the inside Installation Manual SMG SB240US lA en 13 33 5 Mounting SMA America LLC Insert screws with a maximum head height of M The brackets snap audibly into place Mark the drill holes on the back panel using the brackets as a template Drill the holes in the back panel 6 mm 0 2 in through the brackets and tighten Make sure not to damage the brackets Make sure that the Sunny Multigate is securely in place Attach the supplied warning label in a clearly legible position on the outside of the industrial enclosure lid 5 6 Grounding the Metal Industrial Enclosure If you use an industrial enclosure made of metal you must ground the industrial enclosure in accordance with the National Electrical Code and the following procedure Additionally required material not included in the scope of delivery o O oO 34 Connecting terminal plate for grounding the industrial enclosure its door and the Sunny Multigate Cable type copper with conductor cross section of at least 2 5 mm 14 AWG Cab
11. 8 A 3 or the Canadian Electrical Code CSA C22 1 O The Sunny Multigate is correctly installed in the industrial enclosure Cable requirements O Do not use shielded cables O Only use copper cables L Temperature resistant up to at least 90 C 194 F wet dry O Use only cables with stranded wires O Conductor cross section 1 5 mm to 6 mm2 16 AWG to 10 AWG O Do not use Wire Nuts i Installation of several Sunny Multigate devices When installing several Sunny Multigate devices in a PV system a three wire cable with grounding conductor must be used for each Sunny Multigate in order to guarantee trouble free communication between the Sunny Multigate and the inverter Procedure 1 A DANGER Danger to life due to electric shock 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 Make sure that the two pole circuit breaker is switched off and cannot be reconnected e Make sure 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 terminal Inverter of the Sunny Multigate 3 Dismantle the AC cable to the desired length A Strip the insulation of the three AC cable conductors by 8 mm 0 31 in each 46 SMG SB240US lA en 13 Installation Manual SMA America LLC 6 Electrical Connection
12. In the event of a ground fault high voltages can be present e No terminal of the PV module must be grounded e Only touch the cables of the PV modules on their insulation e Do not touch any parts of the framework or supports of the PV modules e Do not connect PV modules with ground faults to the inverter NOTICE Destruction of the measuring device due to overvoltage e Only use measuring devices 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 Installation Manual SMG SB240US lA en 13 67 11 Troubleshooting SMA America LLC Procedure 1 Make sure that no terminal of the PV module is grounded 2 Use Sunny Portal or Sunny Explorer to determine which of the connected inverters has a ground fault see user manual of the communication product at www SMA Solar com 3 A DANGER Risk of electric shock due to high voltages e Disconnect the affected inverter from any voltage source see Section 9 page 57 4 Measure voltages with a suitable measuring device 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 present at the same time there is a ground fault in the PV system All measured voltages are stable
13. LLC min 50 mm 1 97 in to max 1 100 mm 43 3 in or 1 700 mm 67 in Figure 8 Recommended clearances Minimum Clearance between Inverter and PV Module Bottom Side NOTICE Damage to the PV module due to insufficient clearance between the inverter and the PV module bottom side For roof mounting the clearance from the inverter to the bottom side of the PV module must be at least 30 mm 1 2 in This will prevent the grounding bolt from damaging the PV module Figure 9 Minimum clearance of the inverter to the bottom side of the PV module Permitted Mounting Position A DANGER Risk of 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 protective cap are plugged in the connection area will be protected from moisture ingress This means that the inverter complies with Type 4X 24 SMG SB240US lA en 13 Installation Manual SMA America LLC 5 Mounting 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 applicable accident prevention regulations for work on rooftops e Before stepping on the rooftop ensure the load bearing capacity of all parts subjected to load e In accordance with the accident prevention
14. Observe the operating temperature range of 40 C to 85 C 40 F to 185 F e Note and adhere to the requirements of the National Electrical Code ANSI NFPA 70 Assembling the Cable 1 Shorten the cable to the desired length using cable shears 2 Dismantle the shortened cable by 42 mm 1 65 in using the stripping knife Take care not to damage the individual insulated conductors e The grounding conductor must be 42 mm 1 65 in long The grounding conductor must be approximately 7 mm 0 28 in longer than L1 and L2 e L1 and L2 must each be 35 mm 1 38 in long 3 Using the insulation stripping tool strip the insulation of the three individual conductors by 10 mm 0 39 in each tolerance 1 mm 0 04 in Take care not to damage the individual stranded wires 42 SMG SB240US lA en 13 Installation Manual SMA America LLC 6 Electrical Connection M The cable is assembled 42 mm 1 65 in 10 mm 0 39 in cl grounding conductor M The cable is assembled 4 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 5 Crimp the bootlace ferrule tightly using a crimping tool 6 Ensure that a crimping length of max 2 4 mm 0 09 in is maintained Premounting the AC Field Plug 1 Slide the nut over the cable with the bootlace ferrules Make sur
15. Sunny Boy inverters Do not open the lid of the Sunny Boy e Only mount the Sunny Boy on the framework mounted on the roof directly under the PV modules or on the wall e Do not mount the Sunny Boy directly on the module frame e Do not mount the Sunny Boy in areas containing highly flammable materials or gases Do not mount the Sunny Boy in potentially explosive atmospheres 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 the utility grid to feed the alternating current of the micro inverters collectively into the utility grid 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 UL5O is required For outdoor use an industrial enclosure Type 3 with back panel complying with UL5OE is required The product must only be used in countries for which it is approved or released by SMA and the grid operator Use this product only in accordance with the information provided in the enclosed documentation and with the locally applicable standards and directives Any other application can cause personal injury or property damage Alterations to the product e g
16. enclosure is 12 7 mm 0 5 in Recommended clearances O Observe the recommended clearances within the industrial enclosure Installation Manual SMG SB240US lA en 13 31 5 Mounting SMA America LLC A 98 mm 3 86 in B 150 mm 5 9 in Figure 13 Recommended clearances Permitted mounting positions L Only mount the Sunny Multigate horizontally in the industrial enclosure 5 5 Mounting the Sunny Multigate in an Industrial Enclosure Mounting Options e Mounting on top hat rail in industrial enclosure with back panel complying with ULSOE e Mounting with bolts in industrial enclosure with back panel complying with UL5OE Additionally required mounting material not included in the scope of delivery For indoor use industrial enclosure complying with UL5OE Type 1 For outdoor use industrial enclosure complying with UL5OE Type 3 Back panel that is suitable for the industrial enclosure complying with UL5OE OOoOd For mounting on top hat rail top hat rail DIN rail suitable for the industrial enclosure Width 35 mm 1 4 in length 235 mm 9 3 in When mounting with press out brackets four screws suitable for the size of the brackets and for the material of the back panel mounted in the industrial enclosure The maximum permissible height of the screw head of 6 mm 0 2 in must not be exceeded E Requirements for the industrial enclosure O Industrial enclosure with back panel complying with UL5
17. indoor and outdoor use The Sunny Boy must 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 must only be used in countries for which it is approved or released by SMA and the grid operator Use this product only in accordance with the information provided in the enclosed documentation and with the locally applicable standards and directives Any other application can cause personal injury or property damage Alterations to the product e g changes or modifications are only permitted with the express written permission of SMA Making unauthorized changes will void the warranty and warranty claims and will normally result in invalidation of the operating permit SMA shall not be held liable for any damages caused by such changes Installation Manual SMG SB240US lA en 13 11 2 Safety SMA America LLC Any use of the product other than that described in the Intended Use section does not qualify as appropriate The enclosed documentation is an integral part of this product Read and observe the documentation and keep it in a convenient place for future reference The type label must remain permanently attached to the product e Do not connect any loads between the Sunny Boy and the Sunny Multigate e Do not connect any loads between the individual
18. installed on the computer O The system must be registered in Sunny Explorer Procedure 1 Access the Sunny Explorer user interface 2 Change the standard password of the PV system This will protect your PV system from unauthorized access 3 Change the PV system time 8 5 Changing 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 O The PV system must be commissioned see Section 7 Commissioning page 50 O A computer with an Ethernet interface must be available O Sunny Explorer from software version 1 06 must be installed on the computer O The system must be registered in Sunny Explorer L The changes to the grid relevant operating 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 settings 8 6 Deactivating the Webconnect Function Requirements L The PV system must be commissioned see Section 7 Commissioning page 50 O A computer with an Ethernet interface must be available O Sunny Explorer from software version 1 06 must be in
19. inverter has interrupted the feed in operation Corrective measures e Check whether the line voltage at the connection point of the inverter is permanently in the permissible range and or whether voltage jumps occur e g by switching on and off large loads If voltage jumps occur or the 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 within the permissible range and this message is still displayed contact the SMA Service Line 64 SMG SB240US lA en 13 Installation Manual SMA America LLC 11 Troubleshooting Event Event cause and corrective measures number 6415 Self diagnosis gt Interference of device 6305 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line 6450 Self diagnosis Energy transfer not possible Interference device 6450 The inverter cannot feed into the utility grid Possible causes line voltage is too high a PV module is defective soiled or shaded a cloudy or foggy day Corrective measures 1 Check whether 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 paramet
20. 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 all voltage sources see Section 9 page 57 Release the screw terminals on the Sunny Multigate using a flat blade screwdriver blade width 3 5 mm Remove the conductors L1 and L2 from both connecting terminal plates If a network cable is connected pull the network cable out of the pin connector Pull the grounding conductor out of both connecting terminal plates Disassemble the Sunny Multigate e If mounted on a top hat rail detach the Sunny Multigate from the top hat rail Tilt the lower edge of the Sunny Multigate forwards and lift it up and off the top hat rail Installation Manual SMG SB240US lA en 13 69 12 Decommissioning SMA America LLC e If mounted on the brackets release the screws with a flat blade screwdriver blade width 3 5 mm and remove the Sunny Multigate 7 If the Sunny Multigate is to be stored or shipped pack the Sunny Multigate and the AC connector Use the original packaging or packaging suitable for the weight and size of the Sunny Multigate see Section 13 Technical Data page 71 8 If the Sunny Multigate is to be disposed of dispose of the Sunny Multigate in accordance with the locally applicable disposal regulations for electronic waste 70 SMG SB240US lA en 13 Installa
21. regulations a safety harness must be worn or a safety scaffold used e Use a fall protection When mounting the inverter on the roof underneath the PV modules proceed as follows You can mount the inverter with the back panel or with the enclosure lid to the roof SMA recommends mounting the inverter with the enclosure lid to the roof This will allow for better heat dissipation Observe the minimum clearance of the inverter to the PV module i Information on the figures in this section The figures show the recommended mounting option for the inverter with the lid facing the roof The procedure for mounting the inverter with the back panel facing the support surface is identical and is not depicted in the figures in this section i Position of the inverter In order to ensure optimum operation and long electrical endurance of the inverter install each inverter centered under the respective junction box of the PV module Additionally required mounting material not included in the scope of delivery CO The required fastening material must be selected according to the profile rail used O The mounting material must be made of stainless steel O Diameter of the screws max M8 0 3 in 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 b
22. upper minimum threshold 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 sto 90 0 s 0 165 Overfrequency maximum time Frq monitoring upper min threshold trip time Un 0 1 s to 300 0 s 0 165 derfrequency maximum time Frequency monitoring median min threshold trip 0 1 sto 2 5s 0 16s time Underfrequency fast maximum time Installation Manual SMG SB240US IA en 13 55 56 8 Configuration SMA America LLC Limits of Accuracy for Adjustable Voltage and Frequency Trip Limit Settings Name Default Value Limits of accuracy of voltage measurement 1 2 Limits of accuracy of frequency measurement 0 05 Hz 0 1 Limits of accuracy of time measurement at nominal trip time 0 1 SMG SB240US lA en 13 Installation Manual SMA America LLC 9 Disconnecting the Inverter from Voltage Sources 9 Disconnecting the Inverter from Voltage Sources NOTICE Damage to the inverter due to moisture ingress When the inverter is open moisture can penetrate and cause damage to the inverter The tightness is no longer intact and the function of the inverter cannot be guaranteed e Never open the inverter NOTICE Destruction of the measuring device due to overvoltage e Only use measuring devices with a DC input voltage range up to at least 600 V
23. 0E Type 3 for outdoor use and Type 1 for indoor use O Pollution degree 3 O Material plastic or metal O Minimum dimensions W x H x D 260 mm x 240 mm x 120 mm 10 3 in x 9 5 in x 4 7 in O Minimum volume 19 liters 32 SMG SB240US lA en 13 Installation Manual SMA America LLC 5 Mounting O Fire protection class minimum UL 94 5VA L Operating temperature range 40 C to 45 C 40 F to 113 F O 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 Useful hint You can use the warning labels 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 ULlisting see E File no MH18072 category PGJI2 Example Alkyd paint aluminum Polyester paint zinc Mounting on top hat rail 1 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 audibly into place 2 Make sure that the Sunny Multigate is securely in place 3 Attach the supplied warning label in a clearly legible position on the outside of the industrial enclosure lid Mounting with Screws For mounting with screws
24. 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 in accordance with the terminal labels 48 SMG SB240US lA en 13 Installation Manual SMA America LLC 6 Electrical Connection 5 Connect the grounding conductor of the AC cable to the terminal ofthe 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 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 flatblade screwdriver blade width 3 5 mm 0 14 in torque 0 6 Nm 5 31 in Ib 9 Make sure that all terminals are correctly allocated conductor 10 Make sure that all conductors are securely in place 11 Connect the grounding conductor of the utility grid to the grounding conductor terminal on the Sunny Multigate Installation Manual SMG SB240US lA en 13 49 7 Commissioning SMA America LLC 7 Commissioning Requirements
25. 4 mm 0 16 in into the wide slot and lever it open At the same time pull out the protective cap 6 DANGER Risk of electric shock due to high voltages e Before carrying out any of the following work wait five minutes for the capacitors to discharge 58 SMG SB240US lA en 13 Installation Manual SMA America LLC 10 Disconnecting the Sunny Multigate from Voltage Sources 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 all voltage sources as described in this section Procedure 1 A DANGER Danger to life due to electric shock e Disconnect the two pole circuit breaker and secure against reconnection 2 Ensure that no voltage is present at the AC terminal Grid between conductor L1 and the grounding conductor Use a suitable measuring device 3 Ensure that no voltage is present at the AC terminal Grid between conductor L2 and the grounding conductor Use a suitable measuring device 4 Ensure that no voltage is present at the AC terminal Inverter between conductor L1 and the grounding conductor Use a suitable measuring device 5 Ensure that no voltage is present at the
26. 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 at nomi 0 1 nal trip time Maximum power temperature range 40 C to 65 C 40 F to 149 F Temperature for output power temperature der No derating ating 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 Short circuit diode DC reverse polarity protection Grid monitoring SMA Grid Guard 5 AC short circuit current capability Available Ground fault monitoring Insulation Monitoring Available Galvanic isolation General Data Width x height x depth without connection area 188 mm x 199 mm x 43 mm 7 40 in x 7 83 in x 1 69 in Width x height x depth with connection area 188 mm x 218 mm x 43 mm 7 40 in x 8 58 in x 1 69 in Weight 1 3 kg 2 lbs 13 oz 40 C to 65 C 40 F to 149 F Operating temperature range Maximum power temperature range 40 C to 65 C 40 F to 149 F Storage temperature 40 C to 70 C 40 F to 158 F 72 SMG SB240US lA en 13 Installation Manual SMA America LLC Temperature for temperature derating of output power 13 Technical Data No derating Maximum
27. AC terminal Inverter between conductor L2 and the grounding conductor Use a suitable measuring device Installation Manual SMG SB240US lA en 13 59 11 Troubleshooting SMA America LLC 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 20 Position of the LEDs on the Sunny Multigate The upper LED is labeled with Inverter and indicates the operating state of the inverters The lower LED is labeled with Multigate and indicates the operating state of the Sunny Multigate LED Status Explanation A LED Inverter Off The communication with the inverters is not active glowing green The inverters are in operation glowing orange At least one of the connected inverters is in Warning mode You will find the detailed error message in Sunny Portal or Sunny Explorer If communication is still possible determine the respective error message in Sunny Portal or Sunny Explorer 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 page 61 60 SMG SB240US lA en 13 Installation Manual SMA America LLC 11 Troubleshooting LED Status Explanation B LED Multigate Off Either there is no AC voltage
28. Complete designation Designation in this document SMA America Production LLC SMA SMA Solar Technology Canada Inc SMA SMA Speedwire Speedwire PV system PV system Sunny Boy 240 US Sunny Boy inverter micro inverter product Sunny Multigate US Sunny Multigate communication unit product Inverter which is located at the beginning of the PV system and is connected directly to the Sunny Multigate via the AC cable First inverter Installation Manual SMG SB240US lA en 13 9 1 Information on this Document SMA America LLC Complete designation Designation in this document Inverter which is located at the end of the PV Last inverter system and not directly connected to the Sunny Multigate 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 10 SMG SB240US lA en 13 Installation Manual SMA America LLC 2 Safety 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 PV module PV module PV module 7 mn SUNNY MULTIGATE decane Circuit breaker grid Figure 1 Design of a PV system with Sunny Boy 240 US and Sunny Multigate US The product is suitable for
29. I Installation Manual SUNNY BOY 240 US SUNNY MULTIGATE US SMG SB240US IA en 13 Version 1 3 AMERICAN ENGLISH Legal Provisions SMA America LLC 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 changes without notice a
30. ID RID and identification key PIC for registration in Sunny Portal must be available see type label on the Sunny Multigate or enclosed label Procedure e Register the Sunny Multigate in Sunny Portal see User Manual Micro Inverters in Sunny Portal at www SunnyPortal com Useful hint The PV System Setup Assistant guides you through user registration and the registration of your PV system in Sunny Portal 8 3 Connecting the Sunny Multigate to Sunny Explorer Requirements L The PV system must be commissioned see Section 7 Commissioning page 50 O 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 Start Sunny Explorer and create a PV system see Sunny Explorer user manual at www SMA Solar com Installation Manual SMG SB240US lA en 13 53 8 Configuration SMA America LLC 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 means of Sunny Explorer for further information refer to the manual or help of the Sunny Explorer Requirements L The PV system must be commissioned see Section 7 Commissioning page 50 O A computer with an Ethernet interface must be available O Sunny Explorer from software version 1 06 must be
31. Manual SMG SB240US lA en 13 43 6 Electrical Connection SMA America LLC Useful hint The given torque setting only applies to the torque wrench specified by SMA The value to be set on the torque wrench is lower than the actual value for more information on the calculation of the torque to be set go to www stahlwille com A torque wrench consists of the following components torque wrench basic device square insertion tool and crow s foot wrench 3 Make sure that the nut of the AC plug enclosure is securely fastened 6 6 2 Connecting the AC Field Plug to the AC Cable of the Inverter 1 A DANGER Danger to life due to electric shock Do not connect the AC field plug under load e Make sure that the two pole circuit breaker of the Sunny Multigate is switched off and cannot be reconnected e Make sure 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 AC field plug D al eee M The AC field plug snaps audibly into place The catch mechanisms of both plugs must be correctly aligned 6 6 3 Disconnecting the AC Field Plug from the Inverter AC Cable 1 A DANGER Danger to life due to electric shock Do not disconnect the AC field plug under load e Make sure that the two pole circuit breaker of the Sunny Multigate is switched off and cannot be reconnected e Make sure that the PV modules are covered 2 Unlock and remove the AC fiel
32. SMA America LLC 6 Electrical Connection 7a 8 Insert the protective cap into the free AC pin connector of the last inverter M The protective cap snaps audibly into place Make sure that the AC connector and the protective cap are securely in place in the inverter pin connectors 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 e Option 1 via AC field plug see Section 6 6 Option 1 AC Cabling with AC Field Plug page 41 e Option 2 via junction box with feed through terminal Option 2 AC Cabling with Junction Box To allow for greater distances between two inverters use the AC field plug see Section 6 6 page 41 Connecting the PV Module to the Inverter see Section 6 4 page 39 6 4 Connecting the PV Module to the Inverter Only connect one PV module to each inverter in accordance with the following procedure Requirements o OOod 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 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 thresholds for the input voltage and the input cur
33. The sum of the two voltages to 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 50 68 SMG SB240US lA en 13 Installation Manual SMA America LLC 12 Decommissioning 12 Decommissioning 12 1 Decommissioning the Inverter 1 a RB WwW ND 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 Disconnect the inverter from all voltage sources see Section 9 page 57 Release and remove all cables from the inverter Loosen all screws in the drill holes Remove the inverter from the wall or profile rail If the inverter is to be stored or shipped in packaging pack the inverter the DC connectors and the AC connector Use the original packaging or packaging that is suitable for the weight and dimensions of the inverter see Section 13 Technical Data page 71 Dispose of the inverter in accordance with the locally applicable disposal regulations for electronic waste 12 2 Decommissioning the Sunny Multigate E N On BK Ww A DANGER Danger to life due to electric shock Do not disconnect under
34. a LLC 8 Configuration e If the network cable is correctly attached and the problem persists contact the SMA Service Line see Section 16 Contact page 79 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 CO The PV system must be commissioned see Section 7 Commissioning page 50 CO The Sunny Multigate must be connected to a router or modem with Internet access and must be integrated in the local network If the router or the modem does not support DHCP or if DHCP is deactivated you can use the SMA Connection Assist to integrate the Sunny Multigate into your network see www SMA Solar com 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 connections to reach all Internet destinations target IP target port If there is a firewall installed on the router or modem you might have to adjust the firewall rules O On a router or modem with NAT Network Address Translation there must not be any port forwarding Potential communication problems can thus be prevented O There must be no packet filtering and no manipulation for SIP packets on the router or modem CO The registration
35. at no cables used for electrical connection are damaged 6 2 Connection Areas 6 2 1 View from Below Sunny Boy an Figure 14 Connection areas at the bottom of the inverter Item Designation Explanation A DC pin connector Terminal for the DC plug B AC pin connector For connection of the AC cable for linking two inverters daisy chain e For connection of the AC cable for linking the first inverter to the Sunny Multigate e For inserting the protective cap 36 SMG SB240US lA en 13 Installation Manual SMA America LLC 6 Electrical Connection 6 2 2 Sunny Multigate Figure 15 Connection areas on the Sunny Multigate ltem Designation A Connecting terminal plate for the connection of the AC cable of the in verter labeling Inverter B Pin connector for connecting the optional communication Pin connector for connecting the network cable RJ45 D Connecting terminal plate for the connection of the AC cable of the utility grid labeling Grid 6 3 Connecting the AC Cable to the Inverters Overview Figure 16 AC cabling between the inverters left last inverter right first inverter Installation Manual SMG SB240US lA en 13 37 6 Electrical Connection SMA America LLC Requirements o Dm0 m Oa O All electrical installations must be carried out in accordance with all electrical standards applicable on site and the Nati
36. ation Installation Manual SMG SB240US lA en 13 3 Important Safety Instructions SMA America LLC Symbol Description Observe the operating instructions Read the documentation of the product before working on it Follow all safety precautions and instructions as described in the documen tation 4 SMG SB240US lA en 13 Installation Manual SMA America LLC General Warnings General Warnings A WARNING All electrical installations must be made in accordance with the local and National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code CSA C22 1 This document does not and is not intended to replace any local state provincial federal or national laws regulations or codes applicable to the installation and use of the product including without limitation applicable electrical safety codes All installations must conform with the laws regulations codes and standards applicable in the jurisdiction of installation SMA assumes no responsibility for the compliance or noncompliance with such laws or codes in connection with the installation of the product The product contains no user serviceable parts 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 mus
37. d plug from the connector of the inverter AC cable Hook a flat blade screwdriver blade width 4 mm 0 16 in into the wide slot on the AC field plug and lever it open At the same time pull out the AC connector 44 SMG SB240US lA en 13 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 may at maximum be removed three times and only within the first 72 hours after the first assembly e After the period of 72 hours has expired the AC field plug must not be removed e The cable must be shortened again before each assembly Procedure 1 A DANGER Danger to life due to electric shock Do not disconnect the AC field plug under load e Make sure that the two pole circuit breaker of the Sunny Multigate is switched off and cannot be reconnected e Make sure that the PV modules are covered 2 Disconnect the AC field plug from the AC cable of the inverter see Section 6 6 3 page 44 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 Insert a flat blade screwdriver blade te width 4 mm 0 16 in into the small slot on the AC plug enclosure and release the fastening clamps until the insulator detaches from th
38. duct together with the household waste but in accor dance with the locally applicable disposal regulations for electronic waste 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 PV module PV module PV module Mizz 7 7 Last SUNNY BOY Sunny Portal Internet SUNNY MULTIGATE Figure 6 Example of a PV system with micro inverters and Sunny Multigate with communication via Speedwire Webconnect 20 SMG SB240US lA en 13 Installation Manual SMA America LLC 4 Product Description Communication between the Sunny Multigate and other SMA communication products e g Sunny Explorer Sunny Portal takes place via Speedwire Webconnect Speedwire is a type of communication based on Ethernet You can connect the Sunny Multigate to your network via Speedwire Webconnect enables data exchange between Sunny Multigate and Sunny Portal In order to establish a connection to Sunny Portal the Sunny Multigate must be connected to a router or modem with Internet connection and be integrated into the local network To enable data exchange between Sunny Multigate and Sunny Portal you must register the PV system in Sunny Portal see Section 8 2 page 53 I
39. e 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 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 will ensure 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 O The mounting location must be inaccessible to children O The mounting location must be suitable for the installation of the Sunny Multigate in an industrial enclosure of Type 1 or Type 3 O AC cable route of the entire PV system with Sunny Multigate maximum 30 m 100 ft When installing several Sunny Multigate devices in a PV system it may be necessary to lay the AC cable of each Sunny Multigate to the respective inverter separately in order to guarantee trouble free communication between the Sunny Multigate and the inverter SUNNY BOY SUNNY BOY SUNNY BOY SUNNY MULTIGATE 30 m 100 ft Figure 11 Maximum AC cable route o
40. e AC plug enclosure 6 Loosen all three screws using a screwdriver and remove the conductors 7 Shorten the cable and reassemble the AC field plug see Section 6 6 1 page 41 6 7 Option 2 AC Cabling with Junction Box As an alternative to the AC field plug you can use a junction box with feed through terminal for the connection of the inverter AC cable to the Sunny Multigate For the assembly and connection of the AC cable follow the instructions of the junction box manufacturer 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 must be installed in an inaccessible location or in a National Electrical Code compliant conduit Installation Manual SMG SB240US lA en 13 45 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 labeled Inverter 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
41. e that the thread of the nut is facing the bootlace ferrule 2 Push the seal with your fingers as far as possible into the AC plug enclosure 3 Lead the cable through the AC plug enclosure with the seal 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 premounted 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 2 Tighten the three screws in the insulator using a screwdriver torque 0 8 Nm 7 in lb 3 Make sure that the individual conductors are positioned securely in the correct pin connectors of the insulator Completing Mounting of the AC Field Plug 1 Push the AC plug enclosure onto the insulator M Both parts snap audibly together The catch mechanism on the insulator and on the AC plug enclosure must be correctly aligned 2 Screw the nut of the AC plug enclosure on and use a torque wrench to tighten the nut twice in a row with two different torques e First tighten the nut with a torque of 3 3 Nm 29 2 in lb Set the value 3 0 Nm 26 6 in Ib on the scale of the torque wrench specified by SMA e Then tighten the nut with a torque of 5 1 Nm 45 1 in lb Set the value 4 6 Nm 40 7 in Ib on the scale of the torque wrench specified by SMA Installation
42. ed with 15 A maximum branch circuit overcurrent protection in accordance with the National Electrical Code NE ANSI NFPA 70 Installation Manual SMG SB240US lA en 13 35 6 Electrical Connection SMA America LLC iJ Electrical installations All electrical installations must be carried out in accordance with the local standards and the National Electrical Code ANSI NFPA 70 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 DC input and AC output circuits are isolated from the enclosure and that system grounding if required by Section 250 of the National Electrical Code ANSI NFPA 70 is the responsibility of the installer The provisions in the 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 the National Electrical Code article 690 8 A 3 The overcurrent protection for the AC output circuit is to be provided by the installer If cables of type TC ER Tray Cable Exposed Run are used the requirements of the National Electrical Code article 336 10 must be observed Make sure th
43. ers of the inverter 2 Check whether the DC voltage is stable in a realistic range in accordance with the datasheet of the PV module and the assessment of the weather situation Therefore determine the voltage during inverter operation using a communication product 3 Check whether the respective PV module is heavily soiled or shaded Clean the PV module if soiled 4 On extremely cloudy or foggy days wait for higher solar irradiation 5 If none of the described causes is applicable and the message is still displayed contact the SMA Service Line 10265 PLC communication impaired 10265 The cause must be determined by the SMA Service Line Corrective measures 1 If several Sunny Multigate devices are installed in a PV system check whether the AC cables from the inverters to the Sunny Multigate devices have been laid in separate channels If the AC cables are not laid separately from each other do lay the AC cables from the inverter to the Sunny Multigate in separate locations 2 If the problem persists contact the SMA Service Line Sunny Multigate Event Event cause and corrective measures number 6702 Interference device 6702 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line Installation Manual SMG SB240US lA en 13 65 11 Troubleshooting SMA America LLC Event Event cause and corrective measures number 7001 Fault sensor interior temperature 7001 The
44. f the PV system left last inverter right first inverter connected to Sunny Multigate 30 SMG SB240US lA en 13 Installation Manual SMA America LLC 5 Mounting O A robust support surface must be available for mounting the device e g concrete walls In living areas ensure that the support surface is not 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 Technical Data page 71 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 O The mounting location should not be exposed to direct solar irradiation L Climatic conditions must be met see Section 13 Technical Data page 71 CO The ambient temperature must be between 40 C and 45 C 40 F to 113 F This will ensure optimal operation of the Sunny Multigate Dimensions for mounting with screws 108 mm 4 25 in el lt ET i omm 2 Oly Blan mMm m 162 mm z 6 38 in Figure 12 Dimensions of the drill holes for mounting with screws Minimum clearances of the Sunny Multigate inside the metal industrial enclosure O The minimum clearance of the Sunny Multigate to the outer walls of the metal industrial
45. f you do not want to use the Webconnect function you can deactivate it in Sunny Explorer see Section 8 6 page 54 Installation Manual SMG SB240US lA en 13 21 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 fire e Do not mount the product in areas containing highly flammable materials or gases e Do not mount the product in potentially explosive atmospheres 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 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 O 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 support surface e g concrete brickwork In living areas ensure that the support surface is not plasterboard or similar When in operation the inverter makes noises which can be perceived as a nuisance O When mounting on the framework the mounting position should preferably be in the center of the PV module This will ensure a lo
46. for Mounting the Sunny Multigate s ssmsmmmmn 29 5 5 Mounting the Sunny Multigate in an Industrial Enclosure 32 5 6 Grounding the Metal Industrial Enclosure sescsssesseseeeeeteeteeee 34 Electrical COnneCHON s s ssssssesiesssssssosssssdoss sass esssenssnss esssssssesssses 35 6 1 Safety during Electrical Connection s sssemssssssssssrsessssnnnna 35 6 2 Commection AFEAS sesia eeni inie e ena ES a EEEE nees EEE HE eSEE det 36 62l SSUMMY Boy isscasises cass oncetensesevecabsasssues stats seneve losus sts vada sessevecndodsavesryces 36 6 22 Sunny Multigdte ssassn 37 6 3 Connecting the AC Cable to the Inverters ccsssesseseseseeteeeeeens 37 6 4 Connecting the PV Module to the Invertel ssssssmsssessnsnnn 39 6 5 AC Cabling from Inverter to Sunny Multigate smsmsemmsmsmmmmn AO 6 6 Option 1 AC Cabling with AC Field PlUQ ssssssresersssssesrersossrnnnnnn 41 6 6 1 Assembling the AC Field Plug s ssssssssssssseserrerersererrrrsersennsnsnennnnnnnnn Al SMG SB240US lA en 13 Installation Manual SMA America LLC Table of Contents 10 11 12 13 14 15 6 6 2 Connecting the AC Field Plug to the AC Cable of the Inverter 44 6 6 3 Disconnecting the AC Field Plug from the Inverter AC Cable 44 6 6 4 Removing and Reassembling the AC Field Plug sssssssssn 45 6 7 Option 2 AC Cabling with Junction BOX s sssssssemmssserssssnnnn 45 6 8 Connecting the Inverter to the S
47. gers and risks associated with installing and using electrical devices and systems e Training in the installation and commissioning of electrical devices and systems e Knowledge of the applicable standards and directives 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 Risk 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 e Do not touch any live components of the inverter e Do not touch any live components of the Sunny Multigate e Before working on the inverter ensure that no voltage is present and wait five minutes e Before working on the Sunny Multigate ensure that no voltage is present and wait five minutes e Follow the instructions precisely e Observe the safety messages on the inverter and the Sunny Multigate Installation Manual SMG SB240US lA en 13 13 2 Safety SMA America LLC A DANGER Risk of electric shock due to ground fault If a ground fault occurs parts of the
48. h the serial number of the inverter is located at the rear of the Sunny Boy This label is detachable To enable clear identification of the inverters of a PV system e g under fault conditions 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 You will find the following information on the type label e Device type Model e Serial number Serial No e Date of manufacture e Registration ID RID for registration in Sunny Portal e Identification key PIC for registration in Sunny Portal e Device specific characteristics You will require the information on the type label to use the product safely and when seeking customer support from the SMA Service Line Symbols on the Type Labels Symbol Explanation Observe the documentation Observe all the documentation supplied with the product Installation Manual SMG SB240US lA en 13 19 4 Product Description SMA America LLC Symbol Explanation Evaluated to the requirements of the Underwriters Laboratories Standard for c US LISTED Safety for Inverters Converters Controllers and Interconnection System Equip ment for Use With Distributed Energy Resources UL 1741 FC FCC designation The product complies with the requirements of the applicable FCC standards lt lt WEEE designation Do not dispose of the pro
49. icro inverters collectively into the utility grid Figure 5 Design of the Sunny Multigate Item Designation A Press out brackets for mounting with screws B Screw terminal for AC input inverter Labeling Inverter C LEDs The upper LED indicates the operating state of the inverter The lower LED indi cates 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 60 D Interface for optional communication 18 SMG SB240US lA en 13 Installation Manual SMA America LLC 4 Product Description ltem Designation E Type label F Screw terminal for AC output utility grid Labeling Grid G Pin connector for connecting the network cable RJ45 4 3 Type Labels and Stickers Sunny Boy The type label uniquely identifies the inverter The type label is located on the right hand and left hand sides of the enclosure On the left hand side of the enclosure you will find the warnings and safety precautions On the right hand side you will find the following product specific data e Device type Model e Serial number Serial No e Date of manufacture e Device specific characteristics You will require the information on the type label to use the product safely and when seeking customer support from the SMA Service Line Label with Inverter Serial Number A type label wit
50. l SMA America LLC 2 Safety 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 in accordance with UL5OE This will ensure 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 NOTICE Damage to the Sunny Multigate type label due to the use of cleaning agents e Ifthe Sunny Multigate is dirty or dusty you can clean the enclosure the ventilation slots the type label and the LEDs Prior to cleaning it disconnect the Sunny Multigate from voltage sources see Section 10 page 59 Then you can clean the Sunny Multigate with a dry brush NOTICE Damage to the inverter type label due to the use of cleaning agents e If the inverter is dirty you can clean the enclosure the enclosure lid and the type label using only water and a cloth Installation Manual SMG SB240US lA en 13 15 3 Scope of Delivery SMA America LLC 3 Scope of Delivery Check the scope of delivery for completeness and any externally visible damage Contac
51. le type aluminum made of copper coated wire with conductor cross section of at least 4 mm 12 AWG 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 SMG SB240US lA en 13 Installation Manual SMA America LLC 6 Electrical Connection 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 Make sure that the two pole circuit breaker is switched off and cannot be reconnected e Make sure 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 inverter due to moisture ingress When the inverter is open moisture can penetrate and cause damage fo the inverter The tightness is no longer intact and the function of the inverter cannot be guaranteed e Never open the inverter A CAUTION Risk of fire e To reduce the risk of fire connect only to a circuit provid
52. must be observed when installing and or operating the product To reduce the risk of personal injury and to ensure the safe installation and operation of the product you must carefully read and follow all instructions cautions and warnings in this manual Warnings in this document A warning describes a hazard to equipment or personnel It calls attention to a procedure or practice which if not correctly performed or adhered to could result in damage to or destruction of part or all of the SMA equipment and or other equipment connected to the SMA equipment or personal injury Symbol Description A DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury A CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE is used to address practices not related to personal injury Warnings on this product The following symbols are used as product markings with the following meanings Symbol Description Warning regarding dangerous voltage The product works with high voltages All work on the product must only be performed as described in the documentation of the prod uct Beware of hot surface The product can become hot during operation Do not touch the product during oper
53. nd 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 Phillips and Pozidriv are registered trademarks of Phillips Screw Company Torx is a registered trademark of Acument Global Technologies Inc 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 2 SMG SB240US lA en 13 Installation Manual SMA America LLC Important Safety Instructions Important Safety Instructions SAVE THESE INSTRUCTIONS This manual contains important instructions for the following products e Sunny Boy 240 US SB 240 US 10 e Sunny Multigate US Multigate US 10 This manual must be followed during installation and maintenance The product is designed and tested in accordance with international safety requirements but as with all electrical and electronic equipment certain precautions
54. network cable Cable requirements O Type of cable 100BaseTx CATS with S FTP or S STP shielding SMA recommends cable type SMA COMCAB OUTxxx for outdoor use and cable type SMA COMCAB INxxx for indoor use available in lengths xxx 100 m 328 ft 200 m 656 ft 500 m 1 640 ft 1 000 m 3 280 ft O Cross section at least 2 x 2 x 0 22 mm or at least 2 x 2 x 24 AWG O Maximum cable length 100 m 328 ft O UV resistant for outdoor use O Type of plug RJ45 Requirements CO The PV system must be commissioned see Section 7 Commissioning page 50 O A computer with an Ethernet interface must be available Procedure 1 Connect one end of the network cable to the router or directly to the computer 2 Plug the other end of the network cable into the pin connector at the bottom of the Sunny Multigate M The green LED in the pin connector is glowing or flashing The Sunny Multigate is connected to the router or the computer M The green LED in the pin connector is glowing or flashing and the yellow LED is glowing A 100 Mbit connection to the router or the computer is established 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 Make sure that the router or computer is supplied with voltage e Make sure that the network cable is correctly attached 52 SMG SB240US lA en 13 Installation Manual SMA Americ
55. nger 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 71 O 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 C and 65 C 40 F to 149 F This ensures optimal operation of the inverter 22 SMG SB240US lA en 13 Installation Manual SMA America LLC 5 Mounting Dimensions for mounting 2 188 mm 7 4 in 43 8 mm z 157 mm 4 1 72 in ele 6 2 in 38 3 mm Elo 80 mm 1 5 in S 3 14 in E och 8 5 mm 8 4 mm 0 33 in 0 33 in 199 mm 7 83 in 218 mm 8 6 in Figure 7 Dimensions of the inverter and the drill holes for mounting Recommended clearances O When using an AC cable of length 1 40 m 4 6 ft min 50 mm 2 0 in to max 1 10 m 3 6 ft O When using an AC cable of length 2 0 m 6 6 ft min 50 mm 2 0 in to max 1 70 m 5 6 ft O Greater distances between two inverters can be bridged using the AC field plug see Section 6 6 1 Assembling the AC Field Plug page 41 O Observe recommended clearances to the inverters or other objects Installation Manual SMG SB240US lA en 13 23 5 Mounting SMA America
56. nufacturer STAHLWILLE via distributor Art no 50181002 Crow Ring wrench AF 25 Manufacturer STAHLWILLE via distributor Art no 02190025 Square insertion tool Outer square 10 mm 0 38 in Inner square 9 x 12 mm 0 36 x 0 47 in Manufacturer STAHLWILLE via distributor Art no 58240005 734 5 Screwdriver Insulated Blade width 4 mm 0 16 in Blade thickness 0 8 mm 0 03 in Manufacturer WERA via distributor Art no 05006115006 Installation Manual SMG SB240US lA en 13 77 15 Compliance Information SMA America LLC 15 Compliance Information 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 ca
57. nverter is no longer in grid parallel operation and has stopped feed in operation for safety reasons Corrective measures e Check the grid connection for significant short term frequency fluctuations 501 Grid fault Grid frequency disturbance 501 The power frequency is not within the permissible range The inverter has disconnected from the utility grid Corrective measures e If possible check the power frequency and observe how often major fluctuations occur If fluctuations occur frequently and this message is displayed often contact the grid operator The grid operator must approve changes to the operating parameters of the inverter If the grid operator gives his approval discuss any changes to the operating parameters with the SMA Service Line 3401 DC overvoltage Overvoltage input A SW 3401 The DC input voltage connected to the inverter is too high This can destroy the in verter Corrective measures 1 Immediately disconnect the PV module from the inverter 2 Check whether the DC voltage is below the maximum input voltage of the inverter If the DC voltage is below the maximum input voltage of the inverter reconnect the DC connectors to the inverter If the DC voltage is above the maximum input voltage of the inverter ensure that the PV array has been correctly rated or contact the installer of the PV array If this message is repeated frequently contact the SMA Service Line 3501 Insulation resistance Insulation failu
58. onal 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 at maximum a two pole 15 A circuit breaker No loads must be connected between the individual inverters Overcurrent protection must comply with the National Electrical Code paragraph 690 9 For the AC cable connection to the Sunny Boy only use the AC cable recommended by SMA see Section 14 Accessories page 76 Only use cables of type TC ER observing the requirements of the National Electrical Code article 336 10 Procedure I 38 7 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 Make sure that the two pole circuit breaker is switched off and cannot be reconnected e Make sure that the PV modules are covered Plug one end of the supplied AC cable into the outer AC pin connector of the last inverter M The plug clicks audibly into place Plug the other end of the AC cable into the middle AC pin connector of the next inverter M The plug clicks audibly into place SMG SB240US lA en 13 Installation Manual
59. ordance with UL6703 UL listed with 90 C 194 F wet dry rating approval UL 184 Manufacturer LAPP USA Lapp Tray Cable Il A 3G AWG 14 46 BK cULus Listed QPOR TCER cable Bootlace ferrules 14 AWG ULlisted Manufacturer Miromar LLC Distributor Ferrules Direct Order no N25010 Cable shears Insulated handles 165 mm 6 5 in Manufacturer KNIPEX via distributor Art no 95 16 165 Stripping knife with straight knife blade TiN 8 mm to 28 mm 0 32 in to 1 10 in Manufacturer JOKARI via distributor Art no 728000 76 SMG SB240US lA en 13 Installation Manual SMA America LLC Designation Insulation stripping tool Brief description Stripping diameter up to AWG 10 7 mm insulation stripping length up to 25 mm 1 in Manufacturer WEIDMULLER 14 Accessories SMA order number via distributor Order no 9005000000 Crimping tool Square crimping tool for bootlace ferrules up to 10 mm 7 AWG Manufacturer RENNSTEIG via distributor Art no 610 084 3 Torque screwdriver 1 4 hexagon socket 0 3 Nm to 1 2 Nm 2 7 indb to 10 6 in lb Manufacturer WERA via distributor Art no 05074700001 Screwdriver bit 1 4 hexagon length 25 mm 1 in Application cross head screws Manufacturer WERA via distributor Art no 05056422001 Torque wrench Adjustable by scale Torque range 2 Nm to 20 Nm 17 7 in lb to 177 in lb Ma
60. ore not be operated on this transformer Efficiency Maximum efficiency Nmax 95 9 CEC efficiency Neee 96 0 SMG SB240US lA en 13 73 Installation Manual 13 Technical Data 13 2 Sunny Multigate US AC Input SMA America LLC 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 12 A Maximum output current 12A Total harmonic distortion of the output current lt 3 with total harmonic distortion of the AC voltage lt 2 and AC power gt 50 of the rated power Rated power frequency 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 2x 120 V split phase Protective Devices Overvoltage Protection Varistors Maximum permissible fuse protection 15A General Data Width x height x depth without connection area 162 mm x 90 mm x 68 mm 6 38 in x 3 54 in x 2 68 in Weight 0 75 kg 1 65 Ibs Operating temperature range 40 C to 45 C 40 F to 113 F Storage temperature 40 C to 70 C 40 F to 158 F 74 SMG SB240US lA en 13 Installation Manual SMA America
61. ounding bolt and tighten torque 3 5 Nm 31 intb 6 Place the second hexagon nut on the grounding bolt and tighten torque 3 5 Nm 31 intb 7 NOTICE Prevention of contact corrosion by bending the equipment grounding conductor The equipment grounding conductor should not be in contact with the inverter enclosure Contact may result in corrosion at the contact surface Contact between fastening screws and nuts is permitted e Bend the equipment grounding conductor to ensure that there is no contact with the inverter enclosure 8 Connect the equipment grounding conductor to the equipotential bonding of the AC distribution board 5 4 Requirements for Mounting the Sunny Multigate Requirements for the mounting location Danger to life due to fire or explosion Despite careful construction electrical devices can cause fire Do not mount the product in areas containing highly flammable materials or gases Do not mount the product in potentially explosive atmospheres Installation Manual SMG SB240US lA en 13 29 5 Mounting SMA America LLC 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 Typ
62. permissible value for relative humid ity non condensing 100 Maximum operating altitude above mean sea level 3000 m 9840 ft Noise emission typical lt 38 dB A Power loss in night mode lt 0 03 W Topology HF transformer Cooling concept Convection Degree of protection in accordance with ULSOE Type 4X Protection class Approvals and national standards as per 09 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 MC4 US DC plug assembled Tyco US AC connection AC cable with two connectors Powerline interface As standard The DC connectors supplied depend on the order for SMA order numbers of the DC connectors see Section 14 Accessories page 76 The length of the AC cable is either 1 40 m 4 6 ft or 2 0 m 6 6 ft depending on the order option Torques Screw for grounding 3 5 Nm 31 in lb 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 in no load operation as well as under load within the permissible range and symmetrical If the voltages are not symmetrical the inverters are not damaged but they also do not feed in The PV system can theref
63. port surface O Two washers suitable for the screws O Two screw anchors suitable for the support surface and the screws 26 SMG SB240US lA en 13 Installation Manual SMA America LLC 5 Mounting Procedure 1 A WARNING Risk 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 and insert the screw anchors 4 Align the inverter with the drill holes and attach it using suitable screws and washers 5 Ground the inverter enclosure see Section 5 3 page 27 5 3 Grounding the Inverter Enclosure 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 grounding conductor of the utility grid must be connected to the grounding conductor terminal of the Sunny Multigate i Information on the figures 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 amp
64. present or the Sunny Multi gate is defective glowing green The Sunny Multigate is in normal operating state glowing orange The Sunny Multigate is in Warning mode 1 If communication is still possible determine the respective error message in Sunny Portal or Sunny Explorer You can find the cause and its corrective measure in this document see Section 11 2 page 61 If no communication is possible disconnect the network cable from the Sunny Multigate and reconnect the Sunny Multigate to the network see Section 8 1 page 52 If the error persists disconnect the Sunny Multigate from any voltage source see Section 10 page 59 and reconnect it Connecting the Sunny Multigate to the Utility Grid 4 If the error persists contact the SMA Service Line glowing red The Sunny Multigate is in Fault mode 1 If communication is still possible determine the respective error message in Sunny Portal or Sunny Explorer You can find the cause and its corrective measure in this document see Section 11 2 page 61 If no communication is possible disconnect the network cable from the Sunny Multigate and reconnect the Sunny Multigate to the network see Section 8 1 page 52 If the error persists disconnect the Sunny Multigate from any voltage source see Section 10 page 59 and reconnect it Connecting the Sunny Multigate to the Utility Grid A If the error persists contact the SMA Service Line
65. re 3501 The inverter has detected a ground fault in the PV array As long as the fault exists the inverter will not feed in Corrective measures e Check the PV system for ground faults see Section 11 3 page 67 Installation Manual SMG SB240US lA en 13 63 11 Troubleshooting SMA America LLC Event Event cause and corrective measures number 3902 Waiting for DC start conditions Generator voltage too low Start condi tions not met 3902 The PV array voltage is too low Corrective measures 1 Wait until the level of solar irradiation has increased 2 If necessary remove snow or dirt from the PV modules 3903 Waiting for DC start conditions Generator voltage too high Start condi tions not met 3903 The PV array voltage is too high Corrective measures e Wait until the DC start conditions are met 6002 to Self diagnosis gt 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 6305 Self diagnosis gt Interference of device 6305 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line 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
66. red 10221 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line 66 SMG SB240US lA en 13 Installation Manual SMA America LLC 11 Troubleshooting Event Event cause and corrective measures number 10259 Inconsistent communication version 10259 The communication version of an inverter is not supported or the device combination is invalid Corrective measures e Contact the SMA Service Line and request the latest firmware package if necessary 10265 The device with serial number X has not been available for X day s 10265 Communication with one or several inverters is no longer possible Corrective measures 1 Check cables and inverters for loose connectors or damage 2 Check PV modules for soiling or damage 3 If the problem persists contact the SMA Service Line 10267 Loss of communication to one or several devices 10267 Communication with one or several inverters is no longer possible Corrective measures 1 Check cables and inverters for loose connectors or damage 2 Check PV modules for soiling or damage 3 If the problem persists contact the SMA Service Line 11 3 Checking the PV System for Ground Faults If the LED Inverter on the Sunny Multigate is glowing red this may indicate a ground fault in the PV system The electrical insulation between the PV system and ground is defective A WARNING Danger to life due to electric shock
67. rent of the inverter must be adhered to 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 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 Installation Manual SMG SB240US lA en 13 39 6 Electrical Connection SMA America LLC Procedure 1 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 Make sure that the two pole circuit breaker is switched off and cannot be reconnected e Make sure that the PV modules are covered 2 Check the PV module for ground faults see Section 11 3 page 67 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 snap into place 4 Make sure that the DC connectors are securely in place 5 Insert the DC plug with the DC connectors into the outer pin connector on the inverter 6 Connect the first inverter of the PV system to the Sunny Multigate see Section 6 8 page 46 6 5 AC Cabling from Inverter to Sunny Multigate You have the option of implementing the AC cabling f
68. res 1 Make sure that the circuit breaker is switched on 2 Make sure that the AC cable is not damaged 3 Make sure that the AC cable is correctly connected 4 Check whether the 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 within the permissible range and this message is still displayed contact the SMA Service Line 301 Grid fault Voltage increase protection 301 The line voltage or grid impedance at the connection point is too high The inverter dis connects from the utility grid to comply with the power quality Corrective measures e Check whether 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 within the permissible range and this message is still displayed contact the SMA Service Line 62 SMG SB240US lA en 13 Installation Manual SMA America LLC 11 Troubleshooting Event Event cause and corrective measures number 401 Grid fault Island grid 401 The i
69. rom 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 N AC field plug Figure 17 AC cabling of the entire PV system with AC field plug 40 SMG SB240US lA en 13 Installation Manual SMA America LLC 6 Electrical Connection Option 2 min 75 C 167 F AWG 12 stranded copper or min 90 C 194 F AWG 14 stranded copper junction box Figure 18 AC cabling of the entire PV system with junction box example iJ Conduit required For cable types used in Option 2 the use of a conduit is required 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 interconnect the inverters over a distance of max 1 70 meters 5 6 ft To allow for greater distances between two inverters or to connect the inverter with the Sunny Multigate you will need the enclosed AC field plug Overview gt P o 0 Figure 19 Elements of the AC field plug Position Designation A Insulator B Enclosure C Seal D Screw connection Additionally required material not included in the scope of delivery see Section 14 Accessories page 76 O 3 bootlace ferrules 2 5 mm 14 AWG O Cable complying
70. rtal The access data can be found on the Sunny Multigate type label AC Cable and DC Plug na A B Figure 4 Components included in the scope of delivery of the AC cable and the DC plug Item Quantity Designation A AC cable with two connectors for connecting two inverters or for connecting the first inverter to the AC field plug B 1 DC plug with two DC connectors First inverter The inverter that is located at the beginning of the PV system and is directly connected to the Sunny Multigate via the AC cable is called first inverter in this document AC cables are plugged into both AC pin connectors at the first inverter The DC connectors illustrated may deviate from your order Installation Manual SMG SB240US lA en 13 17 4 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 US Symbols on the Inverter Symbol Explanation o 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 micro inverters and the utility grid to feed the alternating current of the m
71. slUS15 2s20evsssorsosisresensnsnpenio sier igen rE e ascot 74 13 3 Torques of AG Field PlUGS s sessswiyssssvesinsstissasisssnss senses insnnssninssses 75 ACCESSONIES s555v500vsssrssnssesvessorenuvonbusssenstsusenusnssssssssosennsinisssnsnsssesen 76 Compliance InformatiOnN ssssssssssssssssrsrersrrsrsrsrsrsrserersrsrrnrer 78 Installation Manual SMG SB240US lA en 13 7 Table of Contents SMA America LLC 16 COMOCi s ssosies sdsivedsstodsssovsiodesesssdessonsssndensvsdasdessses sessssssssesosssnie N 8 SMG SB240US lA en 13 Installation Manual SMA America LLC 1 Information on this Document 1 Information on this Document Validity This document is valid for the following device types e SB 240 US 10 Sunny Boy 240 US e Multigate US 10 Sunny Multigate US Target Group This document is intended for qualified persons Only persons with the appropriate skills are allowed to perform the tasks described in this document Skills of Qualified Persons 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 Symbols Symbol iJ Explanation safety relevant Information that is important for a specific topic or goal but is not Indicates a requirement for meeting a specific goal M Desired result x A problem that might occur Nomenclature
72. stalled on the computer 54 SMG SB240US lA en 13 Installation Manual SMA America LLC Procedure 1 Access the Sunny Explorer user interface 8 Configuration 2 Under Settings gt External Communication select the parameter Webconnect functionality switched on and set to No 3 Save settings 8 7 Adjustable Parameters 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 Un 120 V to 240 V 211 2V dervoltage Slow Voltage monitoring of median minimum threshold 120 V to 240 V 120 0 V Undervoltage Fast Voltage monitoring median max threshold trip 0 1 sto 90 0 s 0 165 time Overvoltage Fast maximum time Voltage monitoring lower max threshold trip 0 1 sto 90 0 s 1 0s time Overvoltage Slow maximum time Voltage monitoring upper min threshold trip time 0 1 sto 90 0 s 2 0s Undervoltage Slow maximum time Voltage monitoring median min threshold trip 0 1 sto 90 0 s 0 165 time Undervoltage Fast maximum time Frequency monitoring lower maximum threshold 50 0 Hz to 63 0 Hz 60 5 Hz Overfrequency Frequency monitoring
73. system may still be live Touching live components can lead to lethal electric shocks e Prior to touching any components always disconnect the inverter from any voltage sources as described in this document see Section 9 page 57 e Prior to touching any components always disconnect the Sunny Multigate from any voltage sources as described in this document see Section 10 page 59 A DANGER Risk of electric shock due to damaged devices Operating a damaged inverter or Sunny Multigate can lead to hazardous situations that result in lethal electric shocks 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 inverter 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 14 SMG SB240US lA en 13 Installation Manua
74. t be made only by qualified personnel Wiring of the product must be made by qualified personnel only Installation Manual SMG SB240US lA en 13 5 Table of Contents SMA America LLC Table of Contents 1 2 Information on this Document sssosesseesessresersresersrsssrsrrrersrnss 9 SONY AE E A EEE E 11 251 Iniended USE supinemssonstonsps sissi nens penn 11 2 2 Skilso Qualified PARSONS s sssssstoiisesssvensnssyisnssnensisansessssssnt 13 23 Safety Prec UloN Ssss ren aR u E REEE E EIEEE 13 Scope of DeliVery tssss sesosdsssnestssssesstossoressossrussusassrontinssssrsrnssere 16 Product DescriptiOnN s sssssssssssssssersrsrssrsrsrsrsrserersrsnrnrsrsrsnrerern rn 18 All SUNNY Boy sss ssiesississssbs dda artinssieeraneadianienaenen isnt 18 4 2 SUnny ULE e 21 sae e nee re TCO Tern 18 4 3 Type Labels and Sih paewer ens cvenesrtaeotenns ensannnesvensateraceunemanccanetvadee 19 A A COMmMUNICA NO NN AE A E E 20 MOUNNING 0ecsc svoselsnesses vssseskssnssersssersssnsasnees rsssnsesisssnesssseserssssserer 22 5 1 Requirements for Mounting the Invertel emsmsemmsmsssssssssnnn 22 5 2 Mounting the INVErtel ssseesmsssmsmssesessssssrssesnssrsrernrrnn sn rn nnrn 25 5 2 1 Mounting the Inverter on the ROOf mmmmsrsssssssssrssssrsrnsnnrrrrrre 25 5 2 2 Mounting the Inverter on the Wall m ssmsssssssssssssssssnnnnsnnnn 26 5 3 Grounding the Inverter Enclosure ssessscsssessesessesseeseesneseeneeneeens 27 5 4 Requirements
75. t your distributor if the scope of delivery is incomplete or damaged d fe gt w O o m m Figure 2 Components included in the scope of delivery of the inverter ltem Quantity Designation A 1 Inverter B 1 Supplementary sheet for the inverter Production Test Re port C 1 Grounding bolt D 1 Clamping bracket for equipment grounding E 1 Washer for equipment grounding F 2 Hexagon nut for equipment grounding Sunny Multigate US Figure 3 Elements included in the scope of delivery of the Sunny Multigate 16 SMG SB240US lA en 13 Installation Manual SMA America LLC 3 Scope of Delivery Item Quantity Designation A 1 Sunny Multigate B 1 AC field plug insulator enclosure seal screw connection C 1 Protective cap for the unused AC pin connector on the last inverter D 1 Warning labels for attaching to the industrial enclosure 1 Label with registration ID RID and identification key PIC for registration in Sunny Portal F 1 Installation manual for Sunny Boy and Sunny Multigate mounting overview Last inverter in this document 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 referred to as the last inverter An AC pin connector remains unused on the last inverter and must be closed with a protective cap Keep this label with your access data for registration in Sunny Po
76. temperature sensor for the indoor temperature of the Sunny Multigate is defective Feed in operation will be interrupted Corrective measures e Contact the SMA Service Line 8101 to Communication disturbed 8101 8102 8102 An error has occurred in the internal communication This can be caused by one of the following Feed in operation continues Corrective measures 1 If several Sunny Multigate devices are installed in a PV system check whether the AC cables from the inverters to the Sunny Multigate devices have been laid in separate channels If the AC cables are not laid separately from each other do lay the AC cables from the inverter to the Sunny Multigate in separate locations 2 If the problem persists contact the SMA Service Line 8104 Interference device 8104 The cause must be determined by the SMA Service Line Corrective measures e Contact the SMA Service Line 9014 Invalid device combination 9014 The Sunny Multigate and the inverters cannot be operated in this combination Corrective measures e Contact the SMA Service Line and request the latest firmware package if necessary 9015 Max permitted number of inverters exceeded 9015 The number of inverters connected exceeds the number specified in the currently set standard Corrective measures e Reduce the number of inverters in the PV system until the maximum permissible number is reached see user manual of the communication product 10221 New device cannot be administe
77. tion Manual SMA America LLC 13 Technical Data 13 1 Sunny Boy 240 US DC Input Maximum number of connected PV modules per inverter 13 Technical Data Maximum DC power at cos 1 250 W Maximum input voltage MPP voltage range at 240 V 45V 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 Minimum input voltage 23 0 V Minimum initial input voltage 23 0 V Maximum initial input voltage 40V Maximum input current 8 5 A Maximum input current per string 8 5 A Maximum short circuit current per module 12A Maximum backfeed current to input source OA 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 Vto 264 V Nominal AC current at 2 x 120 V 1A Maximum output current 1A Total harmonic distortion of the output current lt 3 with total harmonic distortion of the AC voltage lt 2 and AC power gt 50 of the rated power Maximum output fault current 241 A Installation Manual SMG SB240US lA en 13 7 13 Technical Data SMA America LLC Maximum output duration 3 18 ms Line synchronization characteristics Type 2 Line synchronization in rush current 123 mA Rated power frequency 60 Hz AC power frequency 60 Hz Operating range at
78. ts L Only use copper cables O Use only cables made of solid wire or stranded wires O Temperature 90 C 194 F wet dry O Conductor cross section 1 5 mm to 6 mm2 16 AWG to 10 AWG 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 paragraph 690 8 B 1 paragraph 690 8 A 3 or the Canadian Electrical Code CSA C22 1 CO The DC input and AC output circuits are isolated from the enclosure and that system grounding if required by Section 250 of the National Electrical Code ANSI NFPA 70 is the responsibility of the installer 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 7 DANGER Danger to life due to electric shock e Make sure that the two pole circuit breaker of the Sunny Multigate 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 terminal Grid of the Sunny Multigate 3 Strip 8 mm 0 31 in insulation off each of the three conductors of the AC cable of the utility grid
79. unny Moltigate sss ssemmsmmmn 46 6 9 Connecting the Sunny Multigate to the Utility Grid 48 COMMISSI NING cscssevs srsvas serssosssunssaesssssnensossssossnnerssensssssnsssssrsssses 50 Configuratio Nissisen a EEE E Ea 52 8 1 Connecting the Sunny Multigate to the Network ssmsmm 52 8 2 Registering the Sunny Multigate in Sunny POrtQl smsmsmmmmsmssm 53 8 3 Connecting the Sunny Multigate to Sunny Explorer 53 8 4 Changing the System Time and System Password ssssssssseeeees 54 8 5 Changing Operating Parameters m m 54 8 6 Deactivating the Webconnect Function s ssesesssrenssnnnsnrnnnnnnnn 54 8 7 Adjustable Parameters scncese 55 Disconnecting the Inverter from Voltage Sources 57 Disconnecting the Sunny Multigate from Voltage Sources 59 Troubleshooting sssesesssrsssrsrssrerersrsrersrsrsrsrserersrsrrrrsrsrsnnnrernen 60 11 1 LED Signals on the Sunny MultigQte susen 60 11 2 Events Information Warnings and Errors sa l 11 3 Checking the PV System for Ground Faults s sssmmsmsmmmsssnn 67 DECOMMISSIONING s sssessesso sesses es0dssvosssonssosesnsessssnsssrssseessssnssnsses 69 12 1 Decommissioning the Inverter sci sn aetna eaten aaah eee 69 12 2 Decommissioning the Sunny Multigate c sccssscsseeseeeseseeeseeens 69 Technical DOtG sssssississssssssssiasssssssnssssnsersoresssasssresindessnssnsspser enes 71 TG A Sunny D p AN cca ee ree ee 71 13 2 Sonny MulligOte
80. unny Multigate are glowing green Feed in operation begins X 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 61 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 61 50 SMG SB240US lA en 13 Installation Manual SMA America LLC 7 Commissioning Xx The LED Multigate on the Sunny Multigate is glowing orange or red There is a disturbance in the Sunny Multigate e Identify and eliminate the disturbance see Section 11 1 LED Signals on the Sunny Multigate page 60 Installation Manual SMG SB240US lA en 13 51 8 Configuration SMA America LLC 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 In order to register your PV system in Sunny Portal you must connect the Sunny Multigate to the local network Required material not included in the scope of delivery O One
81. use 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 LLC could void the user s authority to operate this equipment IC Compliance This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme la norme NMB 003 du Canada 78 SMG SB240US lA en 13 Installation Manual SMA America LLC 16 Contact 16 Contact If you have technical problems concerning our products contact the SMA Service Line We need the following information in order to provide you with the necessary assistance e Inverter device type e Device type of the Sunny Multigate e Type and number of PV modules connected e Type of communication e Warning or error United SMA America LLC States Esta Rocklin CA dos Unidos Toll free for USA Canada and Puerto Rico Llamada gra tuita en EE UU Canad y Puerto Rico 1 877 MY SMATech 1 877 697 6283 International
82. with UL6703 PV wire O Cable shears with insulated handles 165 mm 6 5 in O Stripping knife with straight blade TIN 8 mm to 28 mm 0 3 in to 1 1 in Installation Manual SMG SB240US lA en 13 Al 6 Electrical Connection SMA America LLC Insulation stripping tool 10 mm 7 AWG Crimping tool for bootlace ferrules up to 10 mm 7 AWG Torque screwdriver 1 4 hexagon socket 0 3 Nm to 1 2 Nm 2 7 in lb to 10 6 in Ib Bit 1 4 hexagon 25 mm 1 in for crosshead screws Torque wrench scale adjustable from 2 Nm to 20 Nm 17 7 in lb to 177 in lb Crow Ring wrench AF 25 Square insertion tool outer square 10 mm 0 38 in inner square 9 x 12 mm 0 36 x 0 47 in Screwdriver insulated with blade width 4 mm 0 16 in and blade thickness 0 8 mm 0 03 in OOOOOOQ o Cable requirements Cable cross section 2 5 mm 14 AWG External diameter of the cable sheath 8 8 mm to 9 6 mm 0 35 in to O 38 in Wire cross section 30 AWG Number of stranded wires 46 Cable type copper wire Kabeltyp UL listed QPOR Power and Control Tray cable type TC ER LAPP Tray Cable II A 3 G AWG 14 46 BK With this cable type the use of a conduit is not required O Temperature at least 90 C 194 F wet dry Assemble the AC field plug as follows A DANGER Danger to life due to electric shock OOOOaaQ Do not disconnect or connect the AC field plug under load e Only assemble the AC field plug in a dry environment e
83. y the screws being used There are several options for attaching the inverter to the framework on the roof In the following example mounting with T head bolts is described Procedure 1 Keep the supplied mounting overview at hand for the allocation of the inverters to the PV modules Installation Manual SMG SB240US lA en 13 25 5 Mounting SMA America LLC 2 In case the connection area points upwards during mounting make sure to protect the plugs and pin connectors against ingress of moisture 3 Remove the label with the inverter serial number from the inverter and attach it to the corresponding position in the mounting overview included in the delivery Useful hint You can note down the inverter serial number in the mounting overview 4 Insert the T head bolts into the rail and turn by 90 This will firmly anchor the screws in the rail 5 Position the inverter on the anchored screws Insert the screws into the oblong holes in the enclosure as far as the required fastening point 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 page 27 5 2 2 Mounting the Inverter on the Wall To mount the inverter on the wall proceed as follows Additionally required mounting material not included in the scope of delivery O The mounting material must be made of stainless steel O Two screws suitable for the sup

SUNNY BOY 240-US / SUNNY MULTIGATE-US

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