SMA SUNNY BOY 3.8-US User Manual
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SMA SUNNY BOY 3.8-US User Manual

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User Manual
SUNNY BOY 3.0-US / 3.8-US / 5.0-US /
6.0-US / 7.0-US / 7.7-US
SB30-77-1SP-US-40-BA-en-11 | Version 1.1
ENGLISH

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Summary of Contents for SMA SUNNY BOY 3.8-US

  • Page 1 User Manual SUNNY BOY 3.0-US / 3.8-US / 5.0-US / 6.0-US / 7.0-US / 7.7-US SB30-77-1SP-US-40-BA-en-11 | Version 1.1 ENGLISH...

  • Page 2: Target Group

    Information that is important for a specific topic or goal, but is not safety-relevant Indicates a requirement for meeting a specific goal Desired result A problem that might occur Additional Information Links to additional information can be found at www.SMA-Solar.com: Document title Document type Mounting, installation, commissioning and decommissioning Installation Manual SB30-77-1SP-US-40-BA-en-11...
  • Page 3 "Webconnect Systems in Sunny Portal" User Manual Registration in Sunny Portal "SMA Modbus® Interface" Technical Information Information on the commissioning and configuration of the SMA Modbus interface "SunSpec® Modbus® Interface" Technical Information Information on the commissioning and configuration of the SunSpec Modbus interface "SMA Modbus®...

  • Page 4: Intended Use

    , Section 690.35, requires that both positive and negative conductors have overcurrent protection for ungrounded PV arrays. 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.

  • Page 5: Safety Information

    SMA Solar Technology America LLC 2 Safety The type label must remain permanently attached to the product. Safety Information This section contains safety information that must be observed at all times when working on or with the product. To prevent personal injury and property damage and to ensure long-term operation of the product, read this section carefully and observe all safety information at all times.

  • Page 6: Product Description

    3 Product Description SMA Solar Technology America LLC Product Description Sunny Boy The Sunny Boy is a transformerless PV inverter which converts the direct current of the PV array to grid-compliant alternating current and feeds it into the utility grid.
  • Page 7 The type label uniquely identifies the inverter. You will require the information on the type label to use the product safely and when seeking customer support from the SMA Service Line. The type label must remain permanently attached to the product. You will find the following information on the type label: •...

  • Page 8: Interfaces And Functions

    SMA Speedwire The inverter is equipped with SMA Speedwire as standard. SMA Speedwire is a type of communication based on the Ethernet standard. This enables inverter-optimized 10 or 100 Mbit data transmission between Speedwire devices in PV systems and the user interface of the inverter.
  • Page 9 The inverter is equipped with a Modbus interface. The Modbus interface is deactivated by default and must be configured as needed. The Modbus interface of the supported SMA devices is designed for industrial use and has the following tasks: • Remote query of measured values •...

  • Page 10: Led Signals

    3 Product Description SMA Solar Technology America LLC Secure power supply operation You can connect an external outlet and a switch to the inverter in order to activate the outlet. In case of a grid failure, the outlet supplies a load with current from the PV system. When the outlet is activated via the switch, the load is supplied with current from the PV system.
  • Page 11 SMA Solar Technology America LLC 3 Product Description Status Explanation Green LED flashing: 2 s on Waiting for connection conditions 2 s off The conditions for feed-in operation are not yet met. As soon as the conditions are met, the inverter will start feed- in operation.

  • Page 12: Activate Wps Function

    4 Operation of the Inverter SMA Solar Technology America LLC Operation of the Inverter Activating and Operating the Display You can activate and operate the display by tapping on the enclosure lid of the Connection Unit. Procedure: 1. Activate the display. Tap on the enclosure lid of the Connection Unit once.

  • Page 13: Deactivating Secure Power Supply Operation

    SMA Solar Technology America LLC 4 Operation of the Inverter Do not connect loads that require a stable electricity supply to the outlet for secure power supply operation Secure power supply operation must not be used for loads that require a stable electricity supply.

  • Page 14: Using The Inverter User Interface

    Firefox (as of version 25), Safari (as of version iOS 7) or Google Chrome (as of version 29). ☐ The personal SMA Grid Guard code of the Installer must be available for the changing of grid-relevant settings after completion of the first ten operating hours (see "Application for SMA Grid Guard Code"...

  • Page 15: Establishing A Direct Connection Via Ethernet

    Explorer (as of version 10), Safari (as of version 7), Opera (as of version 17) or Google Chrome (as of version 30). ☐ The personal SMA Grid Guard code of the Installer must be available for the changing of grid-relevant settings after completion of the first ten operating hours (see certificate "Application for SMA Grid Guard Code"...
  • Page 16 • Alternative access address for Apple products: SMA[serial number].local (e.g. SMA2130019815.local) • Alternative access address for certain Windows products: SMA[serial number] (e.g. SMA2130019815) Requirements: ☐ The inverter must be connected to the local network via a network cable (e.g. via a router).

  • Page 17: Logging In And Out Of The User Interface

    Firefox (as of version 25), Safari (as of version iOS 7) or Google Chrome (as of version 29). ☐ The personal SMA Grid Guard code of the Installer must be available for the changing of grid-relevant settings after completion of the first ten feed-in hours (see certificate "Application for SMA Grid Guard Code"...
  • Page 18 5 Using the Inverter User Interface SMA Solar Technology America LLC 4. In the Repeat password field, enter the new password again. 5. Select Login. ☑ The Configuring the Inverter page or the user interface start page opens. Log in as the User or Installer 1.

  • Page 19: Start Page Design Of The User Interface

    SMA Solar Technology America LLC 5 Using the Inverter User Interface Start Page Design of the User Interface Figure 2: Start Page Design of the User Interface User Manual SB30-77-1SP-US-40-BA-en-11...
  • Page 20 5 Using the Inverter User Interface SMA Solar Technology America LLC Position Designation Description Menu Provides the following functions: • Home Opens the user interface homepage • Instantaneous values Current measured values of the inverter • Device Parameters The various operating parameters of the inverter can be viewed and configured here depending on the user group.

  • Page 21: Starting The Installation Assistant

    Designation Description Help Provides the following functions: • Displaying information on Open Source licenses used • Link to the website of SMA Status bar Displays the following information: • Inverter serial number • Inverter firmware version • IP address of the inverter within the local network...
  • Page 22 Configuration field You can make settings in this field. Requirement: ☐ When configuring after completion of the first ten operating hours, the SMA Grid Guard code must be available (see "Application for SMA Grid Guard Code" at www.SMA-Solar.com). Procedure: 1. Activate the user interface (see Section 5.1, page 20).

  • Page 23: Changing The Password

    SMA Solar Technology America LLC 5 Using the Inverter User Interface Changing the Password The password for the inverter can be changed for both user groups. Furthermore, the user group Installer can change the password for the user group User as well as its own password.
  • Page 24 3. Call up the menu Device Parameters. 4. Select [Edit parameters]. 5. Log in using the SMA Grid Guard code to change those parameters designated by a lock (only for installers): • Select the menu User Settings (see Section 5.3, page 25).

  • Page 25: Configuring The Country Data Set

    SMA Solar Technology America LLC 6 Configuration of the Inverter Accepting the settings Saving the made settings is indicated by an hourglass symbol on the user interface. If the DC voltage is sufficient, the data is transferred directly to the inverter and accepted. If the DC voltage is too low (e. g.

  • Page 26: Changing The Operating Mode Of The Multifunction Relay

    6 Configuration of the Inverter SMA Solar Technology America LLC Changing the Operating Mode of the Multifunction Relay The default operating mode of the multifunction relay is Fault indication (FltInd) . If you decide to use another operating mode and have established the correct electrical connection for this operating mode and the associated connection variant, you will have to change the operating mode of the multifunction relay and make other settings, if necessary.

  • Page 27: Configuring The Modbus Function

    Setting SMA OptiTrac Global Peak For partially shaded PV modules, you should set the interval at which the inverter is to optimize the MPP of the PV system. If you do not want to use SMA OptiTrac Global Peak feature, you can deactivate the feature.

  • Page 28: Saving The Configuration In A File

    Configuration in a File", page 34). When saving, only the device parameters will be adopted, not any passwords. Requirements: ☐ The SMA Grid Guard code must be available (see "Application for SMA Grid Guard Code" at www.SMA-Solar.com). ☐ Changes to grid-relevant parameters must be approved by the responsible grid operator.

  • Page 29: Switching Wlan On And Off

    SMA Solar Technology America LLC 6 Configuration of the Inverter Procedure: • In the parameter group Device > Operation, select the parameter Dynamic power display via green LED and set this to Off. 6.10 Switching WLAN On and Off The inverter is equipped with an activated WLAN interface as standard. If you do not want to use WLAN, you can switch the WLAN function off and switch it on again whenever needed.

  • Page 30: Cleaning The Inverter

    7 Cleaning the Inverter SMA Solar Technology America LLC Cleaning the Inverter Damage to the display or the type label due to the use of cleaning agents • If the inverter is dirty, clean the enclosure, the enclosure lid of the Connection Unit, the enclosure lid of the Power Unit, the type label, the display and the LEDs with a damp cloth and clear water only.

  • Page 31: Troubleshooting

    Installer. The password for the user group Installer is the same as the system password in Sunny Portal. Procedure: 1. Request PUK (application form available at www.SMA-Solar.com). 2. Activate the user interface (see Section 5.1, page 20). 3. Enter the PUK instead of the password into the field Password.

  • Page 32: Event Messages

    8 Troubleshooting SMA Solar Technology America LLC Event Messages Event number Message, cause and corrective measures 101 to 105 Grid fault The grid voltage or grid impedance at the connection point of the inverter is too high. The inverter has disconnected from the utility grid.
  • Page 33 SMA Solar Technology America LLC 8 Troubleshooting Event number Message, cause and corrective measures 401 to 404 Grid fault The inverter has disconnected from the utility grid. A stand-alone grid or a very large change in the power frequency was detected.
  • Page 34 8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures Frq. not permitted > Check parameter The power frequency is not within the permissible range. The inverter has dis- connected from the utility grid. Corrective measures: •...
  • Page 35 SMA Solar Technology America LLC 8 Troubleshooting Event number Message, cause and corrective measures 3301 to 3303 Unstable operation There is not enough power at the DC input of the inverter for stable operation. The inverter cannot connect to the utility grid.
  • Page 36 8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 3601 High discharge curr. > Check generator The leakage current of the inverter and the PV array is too high. There is a ground fault, a residual current or a malfunction.
  • Page 37 SMA Solar Technology America LLC 8 Troubleshooting Event number Message, cause and corrective measures 4301 Electric arc detected > Check DC generator The inverter has detected an electric arc. The inverter interrupts grid feed-in and cannot connect to the utility grid.
  • Page 38 Corrective measures: • Retry update. • For WLAN connection, improve the WLAN connection quality (e.g. via SMA Antenna Extension Kit) or establish connection with the inverter via Ethernet. • If this message is displayed again, contact the Service (see Section 11 "Contact", page 67).
  • Page 39 SMA Solar Technology America LLC 8 Troubleshooting Event number Message, cause and corrective measures 7347 Incompatible file The configuration file is not suitable for this inverter. Corrective measures: • Ensure that the selected configuration file is suitable for this inverter.
  • Page 40 • Ensure that the energy meter is correctly integrated into the same network as the inverter (see energy meter manual). • For WLAN connection, improve the WLAN connection quality (e.g. via SMA Antenna Extension Kit) or connect the inverter with the DHCP server (router) via Ethernet. 8003...
  • Page 41 9003 Grid parameter locked Changes to the grid parameters are now blocked. In order to be able to make changes to the grid parameters, from now on you must log in using the SMA Grid Guard code. User Manual SB30-77-1SP-US-40-BA-en-11...
  • Page 42 • The DC voltage at the DC input is not sufficient to run the main CPU. Corrective measures: • Enter the SMA Grid Guard code. • Ensure that at least the DC start voltage is available (green LED is flashing, pulsing or glowing).
  • Page 43 SMA Solar Technology America LLC 8 Troubleshooting Event number Message, cause and corrective measures 10248 to 10249 Load reduced through device reduction or increase of query interval The network is busy. Data exchange between the devices is not at an optimum and is greatly delayed.
  • Page 44 8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 10253 [Interface]: connection speed goes to [100 Mbit / 10 Mbit] The data transfer rate has changed. The cause for the status [10 Mbit] can be a defective plug, a defective cable or the pulling or plugging of the network connector.
  • Page 45 • If this message is displayed often, improve the WLAN connection by using a WLAN repeater (e.g. SMA Antenna Extension Kit). 10339 Webconnect enabled The inverter can communicate with Sunny Portal without an additional SMA communications product (e.g. Cluster Controller). 10340 Webconnect disabled The Webconnect function has been switched off.
  • Page 46 • Ensure that the following ports are not blocked: – Registrar: ied.sma.de:9523 – Proxy: ied.sma.de:9523 – Stun: stun.sma.de:3478 – Domain: ied.sma.de (for SIP URI) 10343 Webconnect error: Default gateway not configured It is likely that there is an error in the network settings.
  • Page 47 • Ensure that the following ports are not blocked: – Registrar: ied.sma.de:9523 – Proxy: ied.sma.de:9523 – Stun: stun.sma.de:3478 – Domain: ied.sma.de (for SIP URI) 10347 Stun server DNS resolution failed It is likely that there is an error in the network settings.
  • Page 48 • Ensure that the following ports are not blocked: – Registrar: ied.sma.de:9523 – Proxy: ied.sma.de:9523 – Stun: stun.sma.de:3478 – Domain: ied.sma.de (for SIP URI) 10350 Webconnect error: Registration rejected by SIP registrar It is likely that there is an error in the network settings.
  • Page 49 – Registrar: ied.sma.de:9523 – Proxy: ied.sma.de:9523 – Stun: stun.sma.de:3478 – Domain: ied.sma.de (for SIP URI) 10353 Webconnect error: registration of the SIP registry has not responded It is likely that there is an error in the network settings or a Sunny Portal mainte- nance message is present.

  • Page 50: Cleaning The Fan

    8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 27331 Update transport started The inverter has successfully started the update. 27332 Update transport successful The update file has been successfully transferred to the communication compo- nent.
  • Page 51 SMA Solar Technology America LLC 8 Troubleshooting 4. Unlock and remove the plug. 5. Unscrew the screws with a Torx screwdriver (TX 20). 6. Remove the fan guard from the enclosure opening. 7. Remove the fan from the fan guard. To do this, slightly raise the locking tabs and push the fan slightly forward.
  • Page 52 8 Troubleshooting SMA Solar Technology America LLC Installing the Fan 1. Lead the cable into the fan guard and hold the cable at the plug under tension. 2. Insert the fan into the fan guard until it locks into place under the locking tabs. To do this, one arrow must point backwards and one arrow must point upwards.

  • Page 53: Checking The Pv System For Ground Faults

    SMA Solar Technology America LLC 8 Troubleshooting 6. Reattach the cover of the plug. To do this, insert the locking tabs of the cover into the guide rails and push the cover to the left. Checking the PV System for Ground Faults If the inverter displays the event numbers 3501, 3601 or 3701, there could be a ground fault.
  • Page 54 8 Troubleshooting SMA Solar Technology America LLC • Measure the voltage between the negative terminal and the ground potential (PE). • Measure the voltage 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: ☑...
  • Page 55 SMA Solar Technology America LLC 8 Troubleshooting Calculating the insulation resistance The expected total resistance of the PV system or of an individual string can be calculated using the following formula: total The exact insulation resistance of a PV module can be obtained from the module manufacturer or the datasheet.

  • Page 56: Resetting The Operation Inhibition After Detection Of An Arc Fault

    8 Troubleshooting SMA Solar Technology America LLC Resetting the Operation Inhibition after Detection of an Arc Fault If the red LED is glowing and the event number 4301 is shown on the display and/or in the event list on the user interface of the inverter, the inverter has detected an electric arc and interrupts feed- in operation.

  • Page 57: Updating The Firmware

    Requirement: ☐ An update file with the desired inverter firmware must be available. The update file is, for example, available for download on the product page of the inverter at www.SMA-Solar.com. Procedure: 1. Activate the user interface (see Section 5.1, page 20).
  • Page 58 8 Troubleshooting SMA Solar Technology America LLC 5. Commission the inverter (see inverter installation manual). ☑ During start-up phase of the inverter, the desired firmware is being installed. At the same time, the status of the update is shown in the display: Update status: xxxxxxx ☑...
  • Page 59 (e.g. irradiation, ambient tem- perature, cell temperature, wind speed or S0 meters). SMA Antenna Exten- Accessory set for one SMA inverter for the EXTANT-US-40 sion Kit optimization of the SMA inverter’s WLAN radio range.

  • Page 60: Compliance Information

    • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. The user is cautioned that changes or modifications not expressly approved by SMA Solar Technology America LLC could void the user’s authority to operate this equipment. IC Compliance This Class B digital apparatus complies with Canadian ICES-003.
  • Page 61 SMA Solar Technology America LLC 11 Contact 11 Contact If you have technical problems with our products, please contact the SMA Service Line. We require the following information in order to provide you with the necessary assistance: • Inverter device type • Inverter serial number •...

This manual is also suitable for:

Sunny boy 3.0-usSunny boy 5.0-usSunny boy 6.0-usSunny boy 7.0-usSunny boy 7.7-us

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