SMA SUNNY BOY 240 Instruction Manual
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SMA SUNNY BOY 240 Instruction Manual

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Installation Manual
SUNNY BOY 240
SUNNY MULTIGATE
AMERICAN ENGLISH
SMG-SB240-IA-en-11 | Version 1.1

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Summary of Contents for SMA SUNNY BOY 240

  • Page 1 Front Cover Installation Manual SUNNY BOY 240 SUNNY MULTIGATE AMERICAN ENGLISH SMG-SB240-IA-en-11 | Version 1.1...
  • Page 2 Legal Provisions The information contained in these documents is property of SMA Solar Technology AG. Any publication, whether in whole or in part, requires prior written approval by SMA Solar Technology AG. Internal reproduction used solely for the purpose of product evaluation or other proper use is allowed and does not require prior approval.

  • Page 3: Table Of Contents

    SMA Solar Technology AG Table of Contents Table of Contents Information on this Document .............7 Safety.....................9 Intended Use ................9 Skills of Qualified Persons ............10 Safety Precautions..............11 Scope of Delivery ...............13 Product Description..............15 Sunny Boy .................15 Sunny Multigate................15 Type Labels and Stickers ............16 Communication .................18...
  • Page 4 Table of Contents SMA Solar Technology AG AC Cabling from Inverter to Sunny Multigate......33 Option 1: AC Cabling with AC Field Plug ......34 6.6.1 Assembling the AC Field Plug ............34 6.6.2 Removing and Reassembling the AC Field Plug......37 6.6.3 Connecting the AC Field Plug to the AC Cable of the Inverter ..38 6.6.4...
  • Page 5 SMA Solar Technology AG Table of Contents 13 Technical Data................66 13.1 Sunny Boy 240 .................66 13.2 Sunny Multigate................69 13.3 Torques of AC Field Plugs............71 14 Accessories ..................72 15 Contact..................74 Installation Manual SMG-SB240-IA-en-11...
  • Page 6 Table of Contents SMA Solar Technology AG SMG-SB240-IA-en-11 Installation Manual...

  • Page 7: Information On This Document

    This document is intended for qualified persons. Only qualified persons are allowed to perform the tasks described in this manual (see Section 2.2 "Skills of Qualified Persons", page 10). STSatz_Hinw_Weiterführende Informationen Additional Information Links to additional information can be found at www.SMA-Solar.com: Document Title Document Type Micro Inverters in Sunny Portal...
  • Page 8 1 Information on this Document SMA Solar Technology AG Symbols Symbol Explanation Indicates a hazardous situation which, if not avoided, will result in death or serious injury Indicates a hazardous situation which, if not avoided, can result in death or serious injury...

  • Page 9: Safety

    Any other application may cause injury to persons or lead to property damage. For safety reasons, it is forbidden to modify the product or install components that are not explicitly recommended or distributed by SMA Solar Technology AG for this product. Unauthorized modifications and installations will void all warranty claims.

  • Page 10: Skills Of Qualified Persons

    Any other application may cause injury to persons or lead to property damage. For safety reasons, it is forbidden to modify the product or install components that are not explicitly recommended or distributed by SMA Solar Technology AG for this product. Unauthorized modifications and installations will void all warranty claims.

  • Page 11: Safety Precautions

    SMA Solar Technology AG 2 Safety Safety Precautions This section contains safety precautions that must be observed at all times when working on or with STSatz_Sicherh_Einleitungssatz 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.
  • Page 12 2 Safety SMA Solar Technology AG Damage to the Sunny Multigate type label due to the use of cleaning agents • If the 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 51).

  • Page 13: Scope Of Delivery

    SMA Solar Technology AG 3 Scope of Delivery 3 Scope of Delivery Check the scope of delivery for completeness and any visible damage. Contact your distributor if the STSatz_Lieferumfang_Inhalt prüfen delivery is incomplete or damaged. Sunny Boy Figure 1: Components included in the scope of delivery of the inverter...
  • Page 14 3 Scope of Delivery SMA Solar Technology AG Item Quantity Designation Sunny Multigate AC field plug: insulator, plug enclosure, seal, screw connection Protective cap for unused AC pin connector on the last inverter Label with registration ID (RID) and identification key (PIC)

  • Page 15: Product Description

    SMA Solar Technology AG 4 Product Description 4 Product Description 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.

  • Page 16: Type Labels And Stickers

    You will require the information on the type label to use the product safely and when seeking customer STSatz_Typenschild_Funktionsbeschreibung support from the SMA Service Line. Label with Inverter Serial Number A type label with the serial number of the inverter is located at the rear of the Sunny Boy. This label is detachable.
  • Page 17 • Identification key (PIC) for registration in Sunny Portal • Device-specific characteristics You will require the information on the type label to use the product safely and when seeking customer STSatz_Typenschild_Funktionsbeschreibung support from the SMA Service Line. Symbols on the Type Labels Symbol Explanation Danger to life due to high voltages The product operates at high voltages.

  • Page 18: Communication

    Example of a PV system with micro inverters and Sunny Multigate with communication via Speedwire/Webconnect Communication between the Sunny Multigate and other SMA communication products (e.g. Sunny Explorer, Sunny Portal) takes place via Speedwire/Webconnect. Speedwire is a type of communication based on Ethernet. You can connect the Sunny Multigate to your network via Speedwire.

  • Page 19: Mounting

    SMA Solar Technology AG 5 Mounting 5 Mounting Requirements for Mounting the Inverter Requirements for the mounting location: WaHiw_Lebensgefahr durch Feuer oder Explosion 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.
  • Page 20 5 Mounting SMA Solar Technology AG Dimensions for mounting: SMG-SB240-IA-en-11 Installation Manual...
  • Page 21 SMA Solar Technology AG 5 Mounting Figure 6: Dimensions of the inverter and the drill holes for mounting Recommended clearances: ☐ When using an AC cable of 1.40 m: min. 50 mm to max. 1.10 m ☐ When using an AC cable of 2.0 m: min. 50 mm to max. 1.70 m ☐...

  • Page 22: Mounting The Inverter

    You can mount the inverter with the back panel or with the enclosure lid to the roof. SMA Solar Technology AG recommends mounting the inverter with the enclosure lid to the roof. This will allow for better heat dissipation. Observe the minimum clearance of the inverter to the PV module.
  • Page 23 SMA Solar Technology AG 5 Mounting 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.

  • Page 24: Mounting The Inverter On The Wall

    5 Mounting SMA Solar Technology AG 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): ☐ The mounting material must be made of stainless steel.

  • Page 25: Grounding The Inverter Enclosure

    SMA Solar Technology AG 5 Mounting Grounding the Inverter Enclosure If a second grounding conductor or equipotential bonding is locally required, you can also ground the inverter enclosure. This prevents touch current if the original grounding conductor fails. You can ground each inverter separately or connect several inverters with one another.
  • Page 26 5 Mounting SMA Solar Technology AG Figure 8: Maximum AC cable route of the PV system (left: last inverter; right: first inverter connected to Sunny Multigate). ☐ A robust support surface must be available for mounting the device, e.g. concrete, walls.

  • Page 27: Mounting The Sunny Multigate

    SMA Solar Technology AG 5 Mounting Minimum clearances when mounting in a metal distribution box: ☐ The minimum clearance inside the metal distribution box must be 12.7 mm to all walls. Recommended clearances: ☐ Observe the recommended clearances within the distribution box.
  • Page 28 5 Mounting SMA Solar Technology AG 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. ☑ The Sunny Multigate snaps audibly into place. 2. Ensure that the Sunny Multigate is securely in place.

  • Page 29: Electrical Connection

    SMA Solar Technology AG 6 Electrical Connection 6 Electrical Connection Safety during Electrical Connection SiHiw_Stromschlag beim Öffnen des Multigate 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.

  • Page 30: Sunny Multigate

    6 Electrical Connection SMA Solar Technology AG 6.2.2 Sunny Multigate Figure 11: Connection areas on the Sunny Multigate Item Designation Connecting terminal plate for the connection of the AC cable of the inverter, labeling: Inverter Pin connector for connecting the optional communication...
  • Page 31 ☐ For the AC cable connection to the Sunny Boy, only use the AC cable recommended by SMA Solar Technology AG (see Section 14 "Accessories", page 72). ☐ If the unused AC pin connector of an inverter needs to be sealed, make sure that the AC cable of the last inverter in the PV system is plugged into the outer AC pin connector.

  • Page 32: Connecting The Pv Module To The Inverter

    6 Electrical Connection SMA Solar Technology AG 4. Plug the other end of the AC cable into the middle AC pin connector of the next inverter. ☑ The plug snaps audibly into place. 5. Ensure that the AC connector and the protective cap in the inverter pin connectors are securely in place.

  • Page 33: Ac Cabling From Inverter To Sunny Multigate

    SMA Solar Technology AG 6 Electrical Connection AC Cabling from Inverter to Sunny Multigate You have the option of implementing the AC cabling from the inverter to the Sunny Multigate using either the supplied AC field plug or a junction box with integrated feed-through terminal.

  • Page 34: Option 1: Ac Cabling With Ac Field Plug

    6 Electrical Connection SMA Solar Technology AG Option 1: AC Cabling with AC Field Plug 6.6.1 Assembling the AC Field Plug The AC cable with the two connectors is used to connect the inverters among each other for a distance of a maximum of 1.70 meters.
  • Page 35 SMA Solar Technology AG 6 Electrical Connection ☐ Cable type: copper wire, tin-plated ☐ Wire cross-section: 0.25 mm² Danger to life due to electric shock • Do not disconnect or connect the AC field plug under load. • Only assemble the AC field plug in a dry environment.
  • Page 36 Tip: the indicated torque only applies to the torque wrench specified by SMA Solar Technology AG. The value to be set on the torque wrench is lower than the actual value (for more information on the calculation of the torque to be set, go to www.stahlwille.com).

  • Page 37: Removing And Reassembling The Ac Field Plug

    SMA Solar Technology AG 6 Electrical Connection 6.6.2 Removing and Reassembling the AC Field Plug Removing and reassembling the AC field plug is only possible within 72 hours • In total, the AC field plug may at maximum be removed three times and only within the first 72 hours after the first assembly.

  • Page 38: Connecting The Ac Field Plug To The Ac Cable Of The Inverter

    6 Electrical Connection SMA Solar Technology AG 6.6.3 Connecting the AC Field Plug to the AC Cable of the Inverter Danger to life due to electric shock Do not connect the AC field plug under load. • Ensure that the circuit breaker is switched off and ensure that it cannot be reconnected.

  • Page 39: Option 2: Ac Cabling With Junction Box

    SMA Solar Technology AG 6 Electrical Connection 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.
  • Page 40 6 Electrical Connection SMA Solar Technology AG 3. Dismantle the AC cable to the desired length. 4. Strip the insulation of the three AC cable conductors by 8 mm each. Damage to the Sunny Multigate due to incorrectly connected conductors If PE and L or N are swapped, the Sunny Multigate could be damaged during commissioning.

  • Page 41: Connecting The Sunny Multigate To The Utility Grid

    SMA Solar Technology AG 6 Electrical Connection Connecting the Sunny Multigate to the Utility Grid Connect the AC cable of the utility grid to the connecting terminal plate of the Sunny Multigate labeled Grid according to the following procedure: Cable requirements: ☐...
  • Page 42 6 Electrical Connection SMA Solar Technology AG Damage to the Sunny Multigate due to incorrectly connected conductors If PE and L or N are swapped, the Sunny Multigate could be damaged during commissioning. • Be sure to observe the terminal labels on the Sunny Multigate.

  • Page 43: Commissioning

    SMA Solar Technology AG 7 Commissioning 7 Commissioning Requirements: ☐ All inverters must be correctly mounted. ☐ The AC connector must be firmly plugged in. ☐ The DC plug and the connectors must be firmly plugged in. ☐ The connection areas of all inverters must be dry and sealed rain-tight by means of connectors and, where applicable, a protective cap.
  • Page 44 7 Commissioning SMA Solar Technology AG Procedure: • Switch on the circuit breaker. ☑ Both LEDs on the Sunny Multigate are glowing green. Feed-in operation begins. ✖ The LED Inverter is off? There is a disturbance in the PV system.

  • Page 45: Configuration

    ☐ Cable type: 100BaseTx SMA Solar Technology AG recommends cable type "SMA COMCAB-OUTxxx" for outdoor use and cable type "SMA COMCAB-INxxx" for indoor use in the lengths xxx = 100 m, 200 m, 500 m, 1,000 m. ☐ Shielding: S-FTP or S-STP ☐...

  • Page 46: Registering The Sunny Multigate In Sunny Portal

    ☐ 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).

  • Page 47: Connecting The Sunny Multigate To Sunny Explorer

    ☐ The changes to the grid-relevant operating parameters must be approved by the responsible grid operator. ☐ When changing grid-relevant parameters, the SMA Grid Guard code must be available (see Certificate "Application for SMA Grid Guard Code" at www.SMA-Solar.com). Procedure: 1.

  • Page 48: Changing The Country Data Set

    8 Configuration SMA Solar Technology AG Changing the Country Data Set The country data set must be set correctly. The country data set must be set correctly If you select a country data set which is not valid for your country and purpose, it can cause a disturbance in the PV system and lead to problems with the grid operator.

  • Page 49: Disconnecting The Inverter From Voltage Sources

    SMA Solar Technology AG 9 Disconnecting the Inverter from Voltage Sources 9 Disconnecting the Inverter from Voltage Sources SiHiw_Beschädigung des Modul-WR durch eindringende Feuchtigkeit Damage to the inverter due to moisture ingress When the inverter is open, moisture can penetrate and cause damage to the inverter.
  • Page 50 9 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG 4. To loosen the protective cap, remove the sealing, if necessary, and hook a flat-blade screwdriver (blade width: 4 mm) into the wide slot and and lever it open. At the same time, pull out the protective cap.

  • Page 51: Disconnecting The Sunny Multigate From Voltage Sources

    SMA Solar Technology AG 10 Disconnecting the Sunny Multigate from Voltage Sources 10 Disconnecting the Sunny Multigate from Voltage Sources SiHiw_Stromschlag beim Öffnen des Multigate Risk of electric shock due to contact with live components when opening the Sunny Multigate There are live components inside the Sunny Multigate.

  • Page 52: Troubleshooting

    11 Troubleshooting SMA Solar Technology AG 11 Troubleshooting 11.1 LED Signals on the Sunny Multigate The LEDs on the Sunny Multigate indicate the operating state of the PV system. Figure 16: Position of the LEDs on the Sunny Multigate The upper LED is labeled with Inverter and indicates the operating state of the inverters.
  • Page 53 3. If the error persists, disconnect the Sunny Multigate from any voltage source (see Section 10, page 51) and reconnect it (see Section 6.9, page 41). 4. If the error persists, contact the SMA Service Line. glowing red The Sunny Multigate is in Fault mode.

  • Page 54: Events: Information, Warnings And Errors

    If the line voltage is permanently within the permissible range and this message is still displayed, contact the SMA Service Line. Grid fault / Grid overvoltage fast (102) The line voltage or grid impedance at the connection point of the inverter is too high.
  • Page 55 If the line voltage is permanently within the permissible range and this message is still displayed, contact the SMA Service Line. Grid fault / Voltage increase protection (301) The line voltage or grid impedance at the connection point is too high. The inverter has disconnected from the utility grid to comply with the power quality.
  • Page 56 If the DC voltage is above the maximum input voltage of the inverter, ensure that the PV module has been correctly rated or contact the installer of the PV module. If this message is repeated frequently, contact the SMA Service Line. SMG-SB240-IA-en-11...
  • Page 57 • Wait until the DC start conditions are met. 6002 to Self diagnosis / Interference device (6002, 6005, 6006) 6006 The cause must be determined by the SMA Service Line. Corrective measures: • Contact the SMA Service Line. 6305 Self diagnosis / Interference device (6305) The cause must be determined by the SMA Service Line.
  • Page 58 If the line voltage is permanently within the permissible range and this message is still displayed, contact the SMA Service Line. 6415 Self diagnosis / Interference device (6305) The cause must be determined by the SMA Service Line. Corrective measures: • Contact the SMA Service Line. 6450 Self diagnosis / Energy transfer not possible / Interference device (6450) The inverter cannot feed into the utility grid.
  • Page 59 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 cabling of the inverters to the Sunny Multigate is laid separated from each other.
  • Page 60 If the line voltage is permanently within the permissible range and this message is still displayed, contact the SMA Service Line. Grid fault / Voltage increase protection (301) The line voltage or grid impedance at the connection point of the inverter is too high.
  • Page 61 L, N and PE correctly. If the connecting terminal plates Grid and Inverter of the Sunny Multigate are correctly assigned and the message is still displayed, contact the SMA Service Line. • Check whether the AC field plugs between the inverters were correctly assembled.
  • Page 62 Corrective measures: • Disconnect the Sunny Multigate from voltage sources (see Section 10, page 51) and re-commission it (see Section 7, page 43). • If this message is still displayed, contact the SMA Service Line. 6702 Interference device (6702) The cause must be determined by the SMA Service Line.
  • Page 63 Invalid device combination (9014) The Sunny Multigate and the inverters cannot be operated in this combination. Corrective measures: 1. Contact the SMA Service Line and request the latest firmware update, if necessary. 9015 Max. permitted number of inverters exceeded (9015) The number of inverters connected exceeds the number specified in the currently set standard.

  • Page 64: Checking The Pv System For Ground Faults

    – The sum of the two voltages to ground potential is approximately equal to the voltage between the positive and negative terminals. • 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 43). SMG-SB240-IA-en-11...

  • Page 65: Decommissioning

    SMA Solar Technology AG 12 Decommissioning 12 Decommissioning 12.1 Decommissioning the Inverter Danger to life due to electric shock Do not disconnect the AC connectors under load. • Disconnect the inverter from all voltage sources (see Section 9, page 49).

  • Page 66: Technical Data

    13 Technical Data SMA Solar Technology AG 13 Technical Data 13.1 Sunny Boy 240 DC Input Maximum number of connected PV modules per inverter Maximum DC power at cos φ = 1 245 W Maximum input voltage 45 V MPP voltage range at 230 V 23.0 V to 32.0 V...
  • Page 67 SMA Solar Technology AG 13 Technical Data Total harmonic distortion of the output current ≤ 3% with total harmonic distortion of the AC voltage < 2%, and AC power > 50% of the rated power Maximum residual output current 241 A...
  • Page 68 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 72)). ** The length of the AC cable depends on the order and is either 1.40 m or 2.0 m.

  • Page 69: Sunny Multigate

    SMA Solar Technology AG 13 Technical Data 13.2 Sunny Multigate AC Input Maximum number of connected micro inverters Minimum number of connected micro inverters Maximum input current 12 A AC Output Rated power at 230 V, 50 Hz 2,760 W...
  • Page 70 13 Technical Data SMA Solar Technology AG General Data Width x height x depth, without connection area 162 mm x 90 mm x 68 mm Weight 0.75 kg Operating temperature range − 40°C to +45°C Maximum permissible value for relative humidity,...

  • Page 71: Torques Of Ac Field Plugs

    SMA Solar Technology AG 13 Technical Data Data Storage Capacity Energy yield over the day per inverter At least 63 days Daily yields per inverter At least 30 years Event messages of the Sunny Multigate for users At least 1,024 events...

  • Page 72: Accessories

    SMA Solar Technology AG 14 Accessories You will find the corresponding accessories and spare parts for your product in the following STSatz_Zubehör overview. If required, these can be ordered from SMA Solar Technology AG or your distributor. Designation Brief description SMA order number...
  • Page 73 SMA Solar Technology AG 14 Accessories Designation Brief description SMA order number Crow-Ring wrench, Manufacturer: STAHLWILLE via distributor AF 25 Art. no. 02190025 Square insertion tool Outer square: 203 mm via distributor Inner square: 9x12 Art. no. 58240005 (734/5) Manufacturer: STAHLWILLE...

  • Page 74: Contact

    15 Contact SMA Solar Technology AG 15 Contact If you have technical problems concerning our products, contact the SMA Service Line. We need the STSatz_Kontakt_Benötigte Daten following information in order to provide you with the necessary assistance: • Inverter device type •...
  • Page 75 Communication : +33 472 09 04 41 Hybrid Energy Solutions Sunny Island : +33 472 09 04 42 Power Plant Solutions Sunny Central : +33 472 09 04 43 India SMA Solar India Pvt. Ltd. +91 22 61713888 Mumbai Italia SMA Italia S.r.l. +39 02 8934-7299 Milano Κύπρος/Kıbrıs Βλέπε...
  • Page 76 +82 2 508-8599 서울 中国 SMA Beijing Commercial Company +86 10 5670 1350 Ltd. 北京 +971 2 698-5080 SMA Middle East LLC Other countries International SMA Service Line Toll free worldwide: 00800 SMA SERVICE (+800 762 7378423) Niestetal SMG-SB240-IA-en-11 Installation Manual...
  • Page 77 SMA Solar Technology AG Rear Installation Manual SMG-SB240-IA-en-11...
  • Page 78 Rear SMA Solar Technology AG SMG-SB240-IA-en-11 Installation Manual...

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