SMA SUNNY BOY 1.5 Operating Manual
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SMA SUNNY BOY 1.5 Operating Manual

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Operating Manual
SUNNY BOY 1.5 / 2.5
SB15-25-BE-en-10 | Version 1.0
ENGLISH

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Summary of Contents for SMA SUNNY BOY 1.5

  • Page 1 Operating Manual SUNNY BOY 1.5 / 2.5 SB15-25-BE-en-10 | Version 1.0 ENGLISH...
  • Page 2 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 ..........Validity ....................5 Target Group..................5 Additional Information ............... 5 Symbols ....................6 Nomenclature..................6 Typographies..................6 Safety..................Intended Use ..................7 Safety Information................7 Scope of Delivery..............
  • Page 4 Starting the Self-Test (For Italy Only) ..........42 Activating the Receipt of Control Signals (Only for Italy)....42 Deactivating Grounding Conductor Monitoring......43 Setting SMA OptiTrac Global Peak ..........43 Saving the Configuration in a File............. 44 Adopting a Configuration from a File..........44 Updating the Firmware ..............

  • Page 5: Information On This Document

    • Training in the installation and commissioning of electrical devices and installations • Knowledge of the applicable standards and directives • Knowledge of and compliance with this document and all safety information Additional Information Links to additional information can be found at www.SMA-Solar.com: Document title Document type Troubleshooting, Cleaning and Decommissioning Service Manual "Efficiency and Derating"...

  • Page 6: Symbols

    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 7: Safety

    Information "Leading Leakage Currents" at www.SMA-Solar.com). All components must remain within their permitted operating ranges at all times. The product must only be used in countries for which it is approved or released by SMA Solar Technology AG and the grid operator.
  • Page 8 2 Safety SMA Solar Technology AG Danger to life due to high voltages of the PV array When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors and the live components of the inverter. Touching the DC conductors or the live components can lead to lethal electric shocks.

  • Page 9: Scope Of Delivery

    SMA Solar Technology AG 3 Scope of Delivery Scope of Delivery Check the scope of delivery for completeness and any externally visible damage. Contact your distributor if the scope of delivery is incomplete or damaged. Figure 1: Components included in the scope of delivery...

  • Page 10: Product Description

    4 Product Description SMA Solar Technology AG 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. Figure 2: Design of the Sunny Boy...
  • Page 11 The type label uniquely identifies the inverter. You will require the information on the type label to use the product safely and when seeking customer sup- port from the SMA Service Line. The type label must remain permanently at- tached to the product. You will find the following information on the type la- bel: •...
  • Page 12 4 Product Description SMA Solar Technology AG Symbol Explanation Risk of burns due to hot surfaces The product can get hot during operation. Avoid contact during op- eration. Prior to performing any work on the product, allow the prod- uct to cool down sufficiently.

  • Page 13: Interfaces And Functions

    (see Section 8 "Using the Inverter User Interface", page 34). 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 10/100 Mbit data transmission between Speedwire devices in PV systems and the inverter user interface.
  • Page 14 If the current difference increases suddenly, the inverter disconnects from the utility grid. Connection of the SMA Energy Meter If an SMA Energy Meter is installed in the PV system, the inverter can receive data on the household energy consumption directly from this. SB15-25-BE-en-10...

  • Page 15: Led Signals

    The error must be rectified by a qualified person (for troubleshooting, see the service manual at www.SMA-So- lar.com). Blue LED flashes slowly for Communication connection is being established approx.

  • Page 16: Mounting

    5 Mounting SMA Solar Technology AG Mounting Requirements for Mounting Requirements for the mounting location: Danger to life due to fire or explosion Despite careful construction, electrical devices can cause fires. • Do not mount the inverter in areas containing highly flammable materials or gases.
  • Page 17 SMA Solar Technology AG 5 Mounting Dimensions for mounting: 240 mm 115 mm 105 mm Figure 3: Position of the anchoring points Recommended clearances: If you maintain the recommended clearances, adequate heat dissipation will be ensured. Thus, you will prevent power reduction due to excessive temperature.

  • Page 18: Mounting The Inverter

    5 Mounting SMA Solar Technology AG Figure 4: Recommended clearances Permitted and prohibited mounting positions: ☐ The inverter must only be mounted in one of the permitted positions. This will ensure that no moisture can penetrate the inverter. ☐ The inverter should be mounted in such a way that LED signals can be read without difficulty.
  • Page 19 SMA Solar Technology AG 5 Mounting Risk of injury when lifting the inverter, or if it is dropped The inverter weighs 9 kg. There is risk of injury if the inverter is lifted incorrectly or dropped while being transported or when attaching it to or removing it from the wall mounting bracket.

  • Page 20: Electrical Connection

    6 Electrical Connection SMA Solar Technology AG Electrical Connection Safety during Electrical Connection Danger to life due to high voltages of the PV array When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors and the live components of the inverter.

  • Page 21: Overview Of The Connection Area

    SMA Solar Technology AG 6 Electrical Connection Overview of the Connection Area Figure 6: Connection areas and enclosure openings at the bottom of the inverter Position Designation Positive DC connector Negative DC connector RJ45 pin connector for the network cable...
  • Page 22 ☐ If an external residual-current device is required, install a residual-current device which trips at a residual current of 100 mA or higher (for details on selecting a residual-current device, see the Technical Information "Criteria for Selecting a Residual-Current Device" at www.SMA- Solar.com).

  • Page 23: Connecting The Inverter To The Utility Grid

    SMA Solar Technology AG 6 Electrical Connection Safety in accordance with IEC 62109 when the grounding conductor monitoring is deactivated In order to guarantee safety in accordance with IEC 62109 when the grounding conductor monitoring is deactivated, carry out one of the following measures: •...
  • Page 24 6 Electrical Connection SMA Solar Technology AG • If the external diameter of the cable is between 5 mm and 7 mm, thread the cable through the cable gland directly. • If the external diameter of the cable is between 8 mm and 13 mm, first remove the...

  • Page 25: Connecting Additional Grounding

    SMA Solar Technology AG 6 Electrical Connection 10. Plug the AC connector into the pin connector in the inverter until it snaps into place. 11. Check to ensure that the AC connector is securely in place by pulling lightly on the AC connector.

  • Page 26: Connecting The Inverter To The Network

    Additionally required material (not included in the scope of delivery): ☐ One network cable ☐ Where required: Field-assembly RJ45 connector. SMA Solar Technology AG recommends the connector "MFP8 T568 A Cat.6A" from "Telegärtner". ☐ When laying the network cable outdoors: Overvoltage protection of the installation between the network cable from the inverter and the local network in the building.
  • Page 27 SMA Solar Technology AG 6 Electrical Connection 2. When using a self-assembly network cable, assemble the RJ45 connector and connect to the network cable (see connector documentation). 3. Remove the swivel nut from the cable gland for the network connection on the connection cap.

  • Page 28: Dc Connection

    6 Electrical Connection SMA Solar Technology AG 13. Attach the connection cap to the inverter using the three screws and a Torx screwdriver (TX20) (torque: 3.5 Nm). 14. Tighten the swivel nuts of the AC cable gland and network connection hand-tight.

  • Page 29: Assembling The Dc Connectors

    SMA Solar Technology AG 6 Electrical Connection 6.5.2 Assembling the DC Connectors For connection to the inverter, all PV module connection cables must be fitted with the DC connectors provided. Assemble the DC connectors as described in the following. Be sure to observe the correct polarity.

  • Page 30: Connecting The Pv Array

    6 Electrical Connection SMA Solar Technology AG ☑ The stranded wire can be seen inside the clamping bracket chamber. ✖ The stranded wire cannot be seen in the chamber? The cable is not correctly in place. • Release the clamping bracket. To do so, insert a screwdriver (blade width: 3.5 mm) into the clamping bracket...

  • Page 31: Disassembling The Dc Connectors

    SMA Solar Technology AG 6 Electrical Connection 3. Set the DC load-break switch of the inverter to position O. 4. Measure the PV array voltage. Ensure that the maximum input voltage of the inverter is adhered to and that there is no ground fault in the PV array.
  • Page 32 6 Electrical Connection SMA Solar Technology AG Procedure: 1. Set the DC load-break switch of the inverter to position O. 2. Release and remove all DC connectors. To do this, insert a flat-blade screwdriver or an angled screwdriver (blade width 3.5 mm) into one of the slide slots and pull the DC connectors out in a downward direction.

  • Page 33: Commissioning The Inverter

    Interface via Direct Connection", page 34). When doing so you can either configure the inverter manually, use the installation assistant or adopt an existing configuration from a file. SMA Solar Technology AG recommends configuration with the help of the installation assistant.

  • Page 34: Using The Inverter User Interface

    Explorer (as of version 10), Safari (as of version 6) or Google Chrome (as of version 32). ☐ 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 35 Explorer (as of version 10), Safari (as of version 6) or Google Chrome (as of version 32). ☐ The inverter must be connected directly to a computer. ☐ 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 36: Calling Up The Inverter User Interface In The Local Network

    ☐ The inverter must be connected via WLAN or Ethernet to the local network, e.g. via a router. ☐ The inverter access address must be known. ☐ 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 37: Design Of The Inverter User Interface

    SMA Solar Technology AG 8 Using the Inverter User Interface Design of the Inverter User Interface Figure 8: Design of the Inverter User Interface Operating Manual SB15-25-BE-en-10...
  • Page 38 – Starting the self-test User settings Provides the following functions, depending on the user group logged in: • Start the installation assistant • SMA Grid Guard login • Logout Help Provides the following functions: • Displaying information on Open Source licenses used •...

  • Page 39: Changing The Password

    SMA Solar Technology AG 8 Using the Inverter User Interface Posi- Designation Description tion Status display The various areas display information on the current status of the PV system. • Device status Displays whether the inverter is currently in a fault-free operating state or whether there is an Error or Warning present.

  • Page 40: Forgotten Password

    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. Call up the inverter user interface (see Section 8.1, page 34). 3. Enter the PUK instead of the password when registering on the user interface.

  • Page 41: Configuration

    The installation assistant leads you step-by-step through the steps necessary for the initial configuration of the inverter. Requirements: ☐ 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.

  • Page 42: Starting The Self-Test (For Italy Only)

    9 Configuration SMA Solar Technology AG 3. On the right-hand side of the menu bar, select the menu User Settings (see Section 8.2 "Design of the Inverter User Interface", page 37). 4. In the subsequent context menu, select [Start the installation assistant].

  • Page 43: Deactivating Grounding Conductor Monitoring

    Section 9.14 "Changing Operating Parameters", page 46). Procedure: • Set the parameter PE connection monitoring to Off. 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.

  • Page 44: Saving The Configuration In A File

    (see Section 9.7 "Saving the Configuration in a File", page 44). 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 45: Integrating The Inverter Into The Network

    Requirements: ☐ An update file with the current 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. Call up the inverter user interface (see Section 8.1, page 34).

  • Page 46: Configuring Feed-In Management

    9 Configuration SMA Solar Technology AG Removing a detected energy meter from the PV system If only one energy meter is detected by the inverter, this will be added to the PV system automatically. Removal via the menu System Configuration is not possible in this case. To remove the energy meter from the PV system, proceed as follows: •...

  • Page 47: Configuring The Country Data Set

    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): • On the right-hand side of the menu bar, select the menu User Settings (see Section 8.2 "Design of the Inverter User Interface", page 37).

  • Page 48: Switching The Dynamic Power Display Off

    9 Configuration SMA Solar Technology AG 9.16 Switching the Dynamic Power Display Off As standard, the inverter signals its power dynamically via the pulsing of the green LED. When doing so, the LED flashes on and off uniformly or is permanently lit at full power. The various gradations are related here to the set active power limit of the inverter.
  • Page 49 SMA Solar Technology AG 9 Configuration Procedure: • To switch on the WLAN direct connection, in the parameter group PV system communication > WLAN, select the parameter Soft-access-point is turned on and set this to Yes. • To switch on the WLAN connection in the local network, in the parameter group PV system communication >...

  • Page 50: Disconnecting The Inverter From Voltage Sources

    10 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG 10 Disconnecting the Inverter from Voltage Sources Prior to performing any work on the inverter, always disconnect it from all voltage sources as described in this section. Always adhere to the prescribed sequence.
  • Page 51 SMA Solar Technology AG 10 Disconnecting the Inverter from Voltage Sources 7. Ensure that no voltage is present at the DC inputs on the inverter using a suitable measuring device. 8. Loosen the swivel nuts. 9. Loosen the screws of the connection cap and remove the connection cap.

  • Page 52: Technical Data

    11 Technical Data SMA Solar Technology AG 11 Technical Data DC Input SB 1.5-1VL-40 SB 2.5-1VL-40 Maximum DC power at cos φ = 1 1,600 W 2,650 W Maximum input voltage 600 V 600 V MPP voltage range 160 V to 500 V 260 V to 500 V Rated input voltage 360 V...
  • Page 53 SMA Solar Technology AG 11 Technical Data SB 1.5-1VL-40 SB 2.5-1VL-40 Maximum output current under fault 12 A 19 A conditions Inrush current < 20% of the nominal AC < 20% of the nominal AC current for a maximum of current for a maximum of 10 ms...
  • Page 54 11 Technical Data SMA Solar Technology AG Climatic category in accordance with 4K4H IEC 60721-3-4 Environmental category Outdoors Pollution degree outside the inverter Pollution degree inside the inverter Operating temperature range −40°C to +60°C Maximum permissible value for relative humid- 100 % ity, non-condensing Maximum operating altitude above mean sea 3,000 m...
  • Page 55 SMA Solar Technology AG 11 Technical Data Extended humidity range 0 % … 100 % Extended air pressure range 79.5 kPa to 106 kPa Transport in accordance with IEC 60721-3-4, Class 2K3 Extended temperature range −25°C to +70°C Equipment DC connection SUNCLIX DC connector AC connection Spring-cage terminal Speedwire interface As standard Webconnect interface...
  • Page 56 11 Technical Data SMA Solar Technology AG Efficiency SB 1.5-1VL-40 SB 2.5-1VL-40 Maximum efficiency, η 97.2 % 97.2 % European weighted efficiency, η 96.1 % 96.7 % SB15-25-BE-en-10 Operating Manual...

  • Page 57: Contact

    SMA Solar Technology AG 12 Contact 12 Contact If you have technical problems with our products, please contact the SMA Service Line. We need the following information in order to provide you with the necessary assistance: Australia SMA Australia Pty Ltd. Belgien...
  • Page 58 12 Contact SMA Solar Technology AG South Africa SMA Solar Technology South Ελλάδα SMA Hellas AE Africa Pty Ltd. Κύπρος Αθήνα Centurion (Pretoria) Kıbrıs 801 222 9 222 08600 SUNNY България International: (08600 78669) +30 212 222 9 222 International: +27 (12) 622 3000 Italia SMA Italia S.r.l. United SMA Solar UK Ltd.
  • Page 60 SMA Solar Technology www.SMA-Solar.com...

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Sunny boy 2.5

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