User Manual SUNNY BOY 5.0 / 6.0 ENGLISH SB5.0-6.0-1SP-US-40-BA-en-10 | Version 1.
Legal Provisions SMA Solar Technology America LLC Legal Provisions Copyright © 2015 SMA Solar Technology 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 Solar Technology America, LLC. Neither SMA Solar Technology America, LLC nor SMA Solar Technology Canada Inc.
Important Safety Instructions SMA Solar Technology America LLC Important Safety Instructions SAVE THESE INSTRUCTIONS This manual contains important instructions for the following products: • SB 5.0-1SP-US-40 (Sunny Boy 5.0) • SB 6.0-1SP-US-40 (Sunny Boy 6.0) This manual must be followed during installation and maintenance.
General Warnings SMA Solar Technology America LLC General Warnings All electrical installations must be carried out in accordance with the local electrical standards and the National Electrical Code® ANSI/NFPA 70 or the Canadian Electrical Code® CSA C22.1.
SMA Solar Technology America LLC Table of Contents Table of Contents 1 2 Information on this Document ................................................. 7 1.1 1.2 1.3 1.4 1.5 1.6 Validity ................................................................................................ Target group....................................................................................... Symbols ..............................................................................................
Table of Contents 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 SMA Solar Technology America LLC Changing Operating Parameters...................................................... Configuring the Country Data Set..................................................... Deactivating the Arc-Fault Circuit Interrupter (AFCI)........................ Changing the Operating Mode of the Multifunction Relay ............ Configuring the Modbus Function ....................................................
1 Information on this Document SMA Solar Technology America LLC 1 Information on this Document 1.1 Validity This document is valid for the following device types: • SB 5.0-1SP-US-40 (Sunny Boy 5.0) • SB 6.0-1SP-US-40 (Sunny Boy 6.0) 1.2 Target group This document is intended for qualified persons and end users. Only qualified persons are allowed to perform the activities marked in this document with a warning symbol and the caption "Qualified person".
1 Information on this Document SMA Solar Technology America LLC Document title Document type "SMA Modbus® Interface" Technical Description Information on the commissioning and configuration of the Modbus interface "SunSpec® Modbus® Interface" Technical Description Information on the commissioning and configuration of the Modbus interface "SMA Modbus® Interface" Information about the device-specific Modbus registers Technical Information "SunSpec® Modbus® Interface" Information about the device-specifi
2 Safety SMA Solar Technology America LLC 2 Safety 2.1 Intended Use The Sunny Boy is a transformerless PV inverter with three MPP trackers, which converts the direct current of the PV array into grid-compliant alternating current and feeds it into the utility grid. The product is suitable for indoor and outdoor use. All components must remain within their permitted operating ranges at all times.
2 Safety SMA Solar Technology America LLC The type label must remain permanently attached to the product. 2.2 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.
SMA Solar Technology America LLC 3 3 Product Description Product Description 3.1 Sunny Boy The Sunny Boy is a transformerless PV inverter with three MPP trackers, which converts the direct current of the PV array into grid-compliant alternating current and feeds it into the utility grid.
3 Product Description SMA Solar Technology America LLC Position Designation F Inverter type label 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: • Device type (Model) • Serial number (Serial No.
3 Product Description SMA Solar Technology America LLC Symbol Explanation Warning label with FCC Compliance and IC Compliance Risk of burns due to hot surfaces. The product can get hot during operation. Avoid contact during operation. Prior to performing any work on the product, allow the product to cool down sufficiently. Danger to life due to electric shock The product operates at high voltages. Prior to performing any work on the product, disconnect the product from voltage sources.
3 Product Description SMA Solar Technology America LLC Class 1 wiring methods are to be used for field wiring connection to the terminals of the communication interface. WLAN The inverter is equipped with a WLAN interface as standard. The inverter is delivered with the WLAN interface activated as standard. If you do not want to use WLAN, you can deactivate the WLAN interface. In addition, the inverter has a WPS (WiFi Protected Setup) function.
SMA Solar Technology America LLC 3 Product Description 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. The power available during secure power supply operation depends on the solar irradiation on the PV system. Therefore, power output can fluctuate considerably depending on the weather or may not be available at all.
3 Product Description SMA Solar Technology America LLC LED Status Explanation Green LED flashing: 2 s on 2 s off Waiting for connection conditions The conditions for feed-in operation are not yet met. As soon as the conditions are met, the inverter will start feedin operation. flashing: 1.5 s on Secure power supply operation 0.5 s off The secure power supply operation is activated and the inverter supplies the outlet with current from the PV system.
4 Operation of the Inverter SMA Solar Technology America LLC 4 Operation of the Inverter 4.1 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. ☑ The backlight is switched on. 2. To move to the next message, tap on the enclosure lid of the Connection Unit once. 4.
4 Operation of the Inverter SMA Solar Technology America LLC 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. The power available during secure power supply operation depends on the solar irradiation on the PV system. Therefore, power output can fluctuate considerably depending on the weather or may not be available at all.
5 Using the Inverter User Interface SMA Solar Technology America LLC 5 Using the Inverter User Interface 5.1 Establishing a connection to the user interface 5.1.1 Establishing a direct connection via WLAN Requirements: ☐ The inverter must be commissioned. ☐ A computer, tablet PC or smartphone with WLAN interface must be available.
5 Using the Inverter User Interface SMA Solar Technology America LLC • Activate the WPS on your device. ☑ The connection with your device will be established automatically. It can take up to 20 seconds for this connection to be established. 2. If your computer, tablet PC or smartphone does not have a WPS function: • Search for WLAN networks with your device. • Select the SSID of the inverter SMA[serial number] in the list with the found WLAN networks. • Enter the inverter WLAN password.
SMA Solar Technology America LLC 5 Using the Inverter User Interface Procedure: 1. Tap on the enclosure lid of the Connection Unit and continue to switch up to the message E-IP: xxx.xxx.xx. 2. Read off the displayed IP address for the direct connection via Ethernet and either remember it or write it down. 3. Open the web browser of your device, enter the IP address in the address line of the web browser and press the enter key. 4.
5 Using the Inverter User Interface SMA Solar Technology America LLC ☐ In the case of a tablet PC or smartphone connection, one of the following web browsers must be installed: 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 certificate "Application for SMA Grid Guard Code" at www.SMA-Solar.
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 start page of the user interface opens. Log in as the user or installer. 1. 2. 3. 4. ☑ In the drop-down list Language, select the desired language. In the User group drop-down list, select the entry Installer or User. Enter the password in the field Password. Select Login. The start page of the user interface opens. User Manual SB5.0-6.
5 Using the Inverter User Interface 5.3 SMA Solar Technology America LLC Start Page Design of the User Interface B A C F E D Figure 2: Start Page Design of the User Interface 24 SB5.0-6.
5 Using the Inverter User Interface SMA Solar Technology America LLC Position Designation Description A 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. • Events All events that have occurred in the selected time period are displayed here.
5 Using the Inverter User Interface SMA Solar Technology America LLC Position Designation Description C Help Provides the following functions: • Displaying information on Open Source licenses used • Link to the website of SMA D Status bar Displays the following information: • Inverter serial number • Inverter firmware version • IP address of the inverter within the local network and/or IP address of the inverter during WLAN connection • User group logged in • Date and device time of the inverter
5 Using the Inverter User Interface SMA Solar Technology America LLC Procedure: 1. Activate the user interface (see Section 5.1, page 19). 2. Log in as Installer. 3. Select the menu User Settings (see Section 5.3 "Start Page Design of the User Interface", page 24) on the start page of the user interface. 4. In the subsequent context menu, select [Start the installation assistant]. ☑ The Installation Assistant will open.
5 Using the Inverter User Interface SMA Solar Technology America LLC PV systems registered in a communication product With PV systems that are registered in a communication product (e.g. Sunny Portal, Cluster Controller), you can also assign a new password for the user group Installer via the communication product. The password for the user group Installer is also the system password.
6 Configuration of the Inverter SMA Solar Technology America LLC 6 Configuration of the Inverter 6.1 Changing Operating Parameters The operating parameters of the inverter are set to certain values by default. You can change the operating parameters to optimize the performance of the inverter. This section describes the basic procedure for changing operating parameters. Always change operating parameters as described in this section.
6 Configuration of the Inverter SMA Solar Technology America LLC 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. in the evening), the settings are saved, but they cannot be directly transferred to or accepted by the inverter.
SMA Solar Technology America LLC 6.4 6 Configuration of the Inverter 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.
6 Configuration of the Inverter 6.5 SMA Solar Technology America LLC Configuring the Modbus Function The Modbus interface is deactivated by default and the communication ports 502 set. In order to access SMA invertes with SMA Modbus® or SunSpec® Modbus®, the Modbus interface must be activated. After activating the interface, the communication ports of both IP protocols can be changed.
6 Configuration of the Inverter SMA Solar Technology America LLC 6.7 Saving the Configuration in a File You can save the current configuration of the inverter in a file. You can use this file as a data backup for this inverter and then import this file into this inverter again or another inverter to configure the inverter. When saving, only the device parameters will be saved, not any passwords. Procedure: 1. Activate the user interface (see Section 5.1, page 19). 2.
6 Configuration of the Inverter SMA Solar Technology America LLC 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.
SMA Solar Technology America LLC 7 7 Cleaning the Inverter 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. User Manual SB5.0-6.
8 Troubleshooting 8 SMA Solar Technology America LLC Troubleshooting 8.1 Forgotten Password If you have forgotten the password for the inverter, you can unlock the inverter with a Personal Unlocking Key (PUK). For each inverter, there is one PUK for each user group (User and Installer). Useful hint: With PV systems in Sunny Portal, you can also assign a new password via Sunny Portal for the user group Installer.
8 Troubleshooting SMA Solar Technology America LLC 8.2 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. Corrective measures: • Ensure that the correct country data set has been configured (see Section 6.2, page 30).
8 Troubleshooting Event number SMA Solar Technology America LLC 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. Corrective measures: • Check the grid connection for significant short-term frequency fluctuations. 501 Grid fault The power frequency is not within the permissible range. The inverter has disconnected from the utility grid.
8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 701 Frq. not permitted > Check parameter The power frequency is not within the permissible range. The inverter has disconnected from the utility grid. Corrective measures: • If possible, check the power frequency and observe how often fluctuations occur.
8 Troubleshooting Event number SMA Solar Technology America LLC 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. Corrective measures: • Ensure that the PV array is designed correctly. • Ensure that the PV array is not covered by snow or otherwise shaded. • Ensure that the PV array is free of errors.
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. The inverter interrupts feed-in operation immediately after exceeding a threshold. When the fault is eliminated, the inverter automatically reconnects to the utility grid.
8 Troubleshooting Event number SMA Solar Technology America LLC 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. Corrective measures: • Resetting the operation inhibition after detection of an arc fault (see Section 8.4, page 58).
8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 7303 Update main CPU failed The cause must be determined by the Service. Corrective measures: • Contact the Service (see Section 11 "Contact", page 63). 7324 Wait for update conditions The testing of the update conditions was not successful. The firmware update package is not suitable for this inverter. Corrective measures: • Retry update.
8 Troubleshooting Event number SMA Solar Technology America LLC 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. • Retry import. 7348 Incorrect file format The configuration file is not of the required format or is damaged. Corrective measures: • Ensure that the selected configuration file is of the required format and is not damaged.
8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 7355 Update WebUI The inverter is updating the inverter user interface. 7356 Update of the WebUI not successful The update of the inverter user interface failed. Corrective measures: • Retry update. • If this message is displayed again, contact the Service (see Section 11 "Contact", page 63).
8 Troubleshooting Event number SMA Solar Technology America LLC Message, cause and corrective measures 8206 Electr. arc detected > Please confirm by tapping The inverter has detected an electric arc and was recommissioned after a disconnection. By tapping, you are confirming that you have repaired any possible damage to PV modules, DC conductors or plugs in the PV system.
8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 9005 Changing of grid parameters not possible > Ensure DC supply This error can have the following causes: • The parameters to be changed are protected. • 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).
8 Troubleshooting Event number SMA Solar Technology America LLC 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. Corrective measures: • Reduce the number of devices in the network. • If necessary, increase the data query intervals. • If necessary, reduce the number of devices in the network.
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.
8 Troubleshooting Event number SMA Solar Technology America LLC Message, cause and corrective measures 10284 No WLAN connection possible The inverter does not currently have a WLAN connection to the selected network. Corrective measures: • Ensure that the SSID, the WLAN password and the encryption method have been entered correctly. The encryption method is specified by your WLAN router or WLAN Access Point and can be changed there.
8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 10341 Webconnect error: no connection It is likely that there is an error in the network settings. Corrective measures: • Check the network components (DLAN, WLAN Access Point etc.). • 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.
8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 10346 SIP proxy DNS resolution failed It is likely that there is an error in the network settings. Corrective measures: • Check the network components (DLAN, WLAN Access Point etc.). • 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.
8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 10349 Webconnect error: No reply to SIP option packs It is likely that there is an error in the network settings or a Sunny Portal maintenance message is present. Corrective measures: • If a Sunny Portal maintenance message is present, wait until the maintenance has been completed. • Check the network components (DLAN, WLAN Access Point etc.).
8 Troubleshooting SMA Solar Technology America LLC Event number Message, cause and corrective measures 10352 Webconnect error: Faulty communication It is likely that there is an error in the network settings or a Sunny Portal maintenance message is present. Corrective measures: • If a Sunny Portal maintenance message is present, wait until the maintenance has been completed. • Check the network components (DLAN, WLAN Access Point etc.).
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 component. 29001 Inst. code valid The entered Grid Guard code is valid. Protected parameters have now been unlocked and you can adjust the parameters.
8 Troubleshooting SMA Solar Technology America LLC Procedure: 1. Danger to life due to high voltages • Disconnect the inverter from any voltage sources (see the inverter installation manual). 2. Measure the voltages: • Measure the voltage between the positive terminal and the ground potential (PE). • Measure the voltage between the negative terminal and the ground potential (PE). • Measure the voltage between the positive and negative terminals.
8 Troubleshooting SMA Solar Technology America LLC Test by Measuring the Insulation Resistance If the voltage measurement does not provide sufficient evidence of a ground fault, the insulation resistance measurement can provide more exact results.
8 Troubleshooting SMA Solar Technology America LLC 4. Connect the measuring device for insulation resistance. 5. Short-circuit the first string. 6. Set the test voltage. The test voltage should be as close as possible to the maximum system voltage of the PV modules but must not exceed it (see datasheet of the PV modules). 7. Measure the insulation resistance. 8. Eliminate the short circuit. 9. Measure the remaining strings in the same manner.
8 Troubleshooting SMA Solar Technology America LLC 3. Recommission the inverter (see inverter installation manual). 4. If the event with the event number 4301 appears in the display, immediately tap on the enclosure lid twice in quick succession. Here, the operation inhibition can only be reset if the event is showing in the display when you begin tapping. ☑ This effects resetting of the operation inhibition and the inverter will start feeding in again.
8 Troubleshooting SMA Solar Technology America LLC 4. Select [Settings]. 5. In the context menu, select [Updating the firmware]. 6. Follow the instructions in the dialog. Updating the firmware via USB flash drive. Requirement: ☐ A USB flash drive with maximum 32 GB and file system FAT32 must be available. Procedure: 1. Create an "UPDATE" folder on the USB stick. 2. Save the update file with the desired firmware in the "UPDATE" folder on the USB flash drive.
9 Accessories SMA Solar Technology America LLC 9 Accessories You will find the accessories for your product in the following overview. If required, these can be ordered from SMA or your distributor. Designation Short designation SMA Sensor Module Multi-function interface for one SMA inverter as retrofit kit for capturing environmental data (e.g. irradiation, ambient temperature, cell temperature, wind speed or S0 meters). MD.
10 Compliance Information SMA Solar Technology America LLC 10 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.
11 Contact SMA Solar Technology America LLC 11 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: • Inverter device type • Inverter serial number • Inverter firmware version • Special country-specific settings of the inverter (if applicable) • Type and number of PV modules connected • Mounting location and altitude of the inverter • Inverter message • Optional equipment, e.
www.SMA-Solar.
