User Manual SUNNY BOY 3.0-US / 3.8-US / 5.0-US / 6.0-US / 7.0-US / 7.7-US ENGLISH SB30-77-1SP-US-40-BA-en-11 | Version 1.
Legal Provisions SMA Solar Technology America LLC Legal Provisions Copyright © 2016 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: • SB3.0-1SP-US-40 (Sunny Boy 3.0-US) • SB3.8-1SP-US-40 (Sunny Boy 3.8-US) • SB5.0-1SP-US-40 (Sunny Boy 5.0-US) • SB6.0-1SP-US-40 (Sunny Boy 6.0-US) • SB7.0-1SP-US-40 (Sunny Boy 7.0-US) • SB7.7-1SP-US-40 (Sunny Boy 7.7-US) This manual must be followed when using this product.
Important Safety Instructions SMA Solar Technology America LLC Observe the operating instructions Read the documentation of the product before working on it. Follow all safety precautions and instructions as described in the documentation.
SMA Solar Technology America LLC General Warnings 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.
Table of Contents SMA Solar Technology America LLC Table of Contents 1 Information on this Document ................................................. 2 Safety......................................................................................... 10 3 Product Description................................................................... 12 4 Operation of the Inverter ......................................................... 18 5 1.1 1.2 1.3 1.4 1.5 1.6 2.1 2.2 3.1 3.2 3.3 4.1 4.2 4.
SMA Solar Technology America LLC 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 Table of Contents 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 1 SMA Solar Technology America LLC Information on this Document 1.1 Validity 1.2 Target group 1.3 Symbols This document is valid for the following device types: • SB3.0-1SP-US-40 (Sunny Boy 3.0-US) • SB3.8-1SP-US-40 (Sunny Boy 3.8-US) • SB5.0-1SP-US-40 (Sunny Boy 5.0-US) • SB6.0-1SP-US-40 (Sunny Boy 6.0-US) • SB7.0-1SP-US-40 (Sunny Boy 7.0-US) • SB7.7-1SP-US-40 (Sunny Boy 7.7-US) This document is intended for qualified persons and end users.
1 Information on this Document SMA Solar Technology America LLC Document title Document type "Application for SMA Grid Guard Code" Form "Webconnect Systems in Sunny Portal" Registration in Sunny Portal User Manual "SMA Modbus® Interface" Information on the commissioning and configuration of the SMA Modbus interface Technical Information "SunSpec® Modbus® Interface" Technical Information Information on the commissioning and configuration of the SunSpec Modbus interface "SMA Modbus® Interface" List
2 Safety 2 SMA Solar Technology America LLC Safety 2.1 Intended Use 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. 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.
3 Product Description 3 SMA Solar Technology America LLC Product Description 3.1 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.
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 Symbol SMA Solar Technology America LLC 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.
SMA Solar Technology America LLC 3 Product Description SMA Webconnect The inverter is equipped with a Webconnect function as standard. The Webconnect function enables direct data transmission between the inverters of a small-scale system and the Internet portal Sunny Portal without any additional communication device and for a maximum of 4 inverters per Sunny Portal system.
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. The inverter automatically regulates the energy supply of the outlet depending on the solar irradiation on the PV system.
3 Product Description SMA Solar Technology America LLC LED Green LED Status flashing: 2 s on 2 s off Explanation 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 4 SMA Solar Technology America LLC 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. 4.2 Activate WPS Function 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 5 SMA Solar Technology America LLC Using the Inverter User Interface 5.1 5.1.1 Establishing a connection to the user interface Establishing a direct connection via WLAN Requirements: ☐ The inverter must be commissioned. ☐ A computer, tablet PC or smartphone with WLAN interface must be available.
SMA Solar Technology America LLC 5 Using the Inverter User Interface Procedure: 1. If your computer, tablet PC or smartphone has a WPS function: • Activate the WPS function on the inverter. To do this, tap twice on the enclosure lid of the Connection Unit. ☑ The blue LED flashes quickly. The WPS function is active. • 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.
5 Using the Inverter User Interface SMA Solar Technology America LLC Importing and exporting files with end devices having an iOS operating system is not possible. For technical reasons, importing and exporting files (e.g. importing an inverter configuration, saving the current inverter configuration or exporting events) is not possible with mobile end devices having an iOS operating system. • Use an end device that does not have an iOS operating system for importing and exporting files. Procedure: 1.
SMA Solar Technology America LLC 5 Using the Inverter User Interface ☐ A computer, tablet PC or smartphone must be available and the computer, tablet PC or smartphone must be connected with the network to which the inverter is also connected. ☐ In the case of a computer connection, one of the following web browsers must be installed: Firefox (as of version 25), Internet Explorer (as of version 10), Safari (as of version 7), Opera (as of version 17) or Google Chrome (as of version 30).
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. 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.
SMA Solar Technology America LLC 5.
5 Using the Inverter User Interface Position SMA Solar Technology America LLC A Designation Menu Description B User settings Provides the following functions, depending on the user group logged in: • Start the installation assistant • SMA Grid Guard login • Logout 26 SB30-77-1SP-US-40-BA-en-11 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 inverte
5 Using the Inverter User Interface SMA Solar Technology America LLC Position C Designation Help Description 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 E PV power curve Temporal progression of the PV power of the household over the selected time period.
5 Using the Inverter User Interface SMA Solar Technology America LLC Layout of the installation assistant A C B Figure 3: Layout of the installation assistant Position A Designation Configuration steps Description B User information Information about the current configuration step and the setting options of the configuration step. C Configuration field You can make settings in this field. Overview of the installation assistant steps.
SMA Solar Technology America LLC 5.5 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. PV systems registered in a communication product With PV systems that are registered in a communication product (e.g.
6 Configuration of the Inverter 6 SMA Solar Technology America LLC 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.
6 Configuration of the Inverter 6.4 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.
6 Configuration of the Inverter SMA Solar Technology America LLC 6.5 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 6.7 SMA Solar Technology America LLC 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 20). 2.
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.
7 Cleaning the Inverter 7 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.
SMA Solar Technology America LLC 8 8 Troubleshooting 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 8.2 SMA Solar Technology America LLC Event Messages Event number 101 to 105 Message, cause and corrective measures 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 31).
8 Troubleshooting SMA Solar Technology America LLC Event number 401 to 404 Message, cause and corrective measures 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 Event number 701 SMA Solar Technology America LLC Message, cause and corrective measures 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 SMA Solar Technology America LLC Event number 3301 to 3303 Message, cause and corrective measures 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 Event number 3601 SMA Solar Technology America LLC Message, cause and corrective measures 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 SMA Solar Technology America LLC Event number 4301 Message, cause and corrective measures 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 8.5, page 62).
8 Troubleshooting Event number 7303 SMA Solar Technology America LLC Message, cause and corrective measures Update main CPU failed The cause must be determined by the Service. Corrective measures: • Contact the Service (see Section 11 "Contact", page 67). 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 SMA Solar Technology America LLC Event number 7347 Message, cause and corrective measures 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 Event number 7355 SMA Solar Technology America LLC Message, cause and corrective measures 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 67).
8 Troubleshooting SMA Solar Technology America LLC Event number 8206 Message, cause and corrective measures 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 Event number 9005 SMA Solar Technology America LLC Message, cause and corrective measures 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 SMA Solar Technology America LLC 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. 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 Event number 10253 SMA Solar Technology America LLC Message, cause and corrective measures [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 SMA Solar Technology America LLC Event number 10284 Message, cause and corrective measures 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 Event number SMA Solar Technology America LLC 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 Event number SMA Solar Technology America LLC 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 Event number SMA Solar Technology America LLC 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 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. Remove the fan and the cable together with the plug from the fan guard. 8. Damage to the fan due to compressed air • Clean the fan only with a soft brush, a paint brush, or a damp cloth.
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. 3. Insert the fan guard into the enclosure opening. To do this, the fan guide must point upwards. 4. Tighten the screws with a Torx screwdriver (TX 20). 5.
8 Troubleshooting SMA Solar Technology America LLC 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. 8.4 Checking the PV System for Ground Faults If the inverter displays the event numbers 3501, 3601 or 3701, there could be a ground fault. The electrical insulation from the PV system to ground is defective or insufficient.
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: ☑ All measured voltages are stable. ☑ The sum of the two voltages to ground potential is approximately equal to the voltage between the positive and negative terminals.
8 Troubleshooting SMA Solar Technology America LLC 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.
8 Troubleshooting 8.5 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 feedin operation. There are two options for resetting the operation inhibition: • Reset the operation inhibition by tapping twice on the enclosure lid of the Connection Unit.
8 Troubleshooting SMA Solar Technology America LLC • Select the parameter Reset operating data and set to Reset operation inhibition. or • Select the parameter AFCI switched on and set to No and then back to Yes. ☑ This effects resetting of the operation inhibition and the inverter will start feeding in again. 8.6 Updating the Firmware If no automatic update is set in the communication product (e.g.
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 ☑ Once the desired firmware has been installed in the inverter, the status successful is shown in the display. ✖ The status error occurred is shown in the display? The firmware update was not successful.
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 Antenna Extension Kit Accessory set for one SMA inverter for the optimization of the SMA inverter’s WLAN radio range. SMA Sensor Module User Manual Multi-function interface for one SMA inverter as retrofit kit for capturing environmental data (e.g.
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.
11 Contact SMA Solar Technology America LLC 11 Contact If you have technical problems with our products, please contact the SMA Service Line.
www.SMA-Solar.
