PV Inverter SUNNY BOY 3000TL-US / 4000TL-US / 5000TL-US Installation Manual SB3-5TLUS22-IA-en-12 | Version 1.
SMA America, LLC Copyright © 2013 SMA 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, electronic, mechanical, photographic, magnetic or otherwise, without the prior written permission of SMA America, LLC. Neither SMA America, LLC nor SMA Solar Technology Canada Inc.
SMA America, LLC IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions for the following products: • Sunny Boy 3000TL-US (SB 3000TL-US-22) • Sunny Boy 4000TL-US (SB 4000TL-US-22) • Sunny Boy 5000TL-US (SB 5000TL-US-22) This manual must be followed during installation and maintenance.
SMA America, LLC Warnings on this Product The following symbols are used as product markings with the following meanings. Symbol Description Warning regarding dangerous voltage The product works with high voltages. All work on the product must only be performed as described in the documentation of the product. Beware of hot surface The product can become hot during operation. Do not touch the product during operation.
SMA America, LLC General Warnings General Warnings All electrical installations must be made in accordance with the local and National Electrical Code® ANSI/NFPA 70 or the Canadian Electrical Code® CSA C22.1. This document does not and is not intended to replace any local, state, provincial, federal or national laws, regulation or codes applicable to the installation and use of the product, including without limitation applicable electrical safety codes.
SMA America, LLC Table of Contents Table of Contents 1 Information on this Document. . . . . . . . . . . . . . . . . . . . . . . . . . 10 2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.1 Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.2 Skills of Qualified Persons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.3 Safety Precautions . . . . . . . . . . . . . . . . . . . .
Table of Contents SMA America, LLC 6 Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 6.1 Safety during Electrical Connection. . . . . . . . . . . . . . . . . . . . . . . . . . 33 6.2 Overview of the Connection Area . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.2.1 Connection Area of the Inverter. . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.2.2 Connection Area of the DC Disconnect . . . . . . . . . . . . . . . . . . . . . . 35 6.
SMA America, LLC Table of Contents 11 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 11.1 11.2 11.3 11.4 11.5 Event Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cleaning the Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checking the PV System for Ground Faults . . . . . . . . . . . .
1 Information on this Document SMA America, LLC 1 Information on this Document Validity This document is valid for the following device types as of firmware version HP V02.05.00.R, KP V02.50.55.R: • Sunny Boy 3000TL-US (SB 3000TL-US-22) • Sunny Boy 4000TL-US (SB 4000TL-US-22) • Sunny Boy 5000TL-US (SB 5000TL-US-22) Target Group This document is for qualified persons. Only persons with the appropriate skills are allowed to perform the tasks described in this document (see Section 2.
SMA America, LLC 2 Safety 2 Safety 2.1 Intended Use The Sunny Boy is a transformerless PV inverter which converts the direct current of a PV array into grid-compliant alternating current and feeds it into the utility grid. The inverter can be installed in the following grid configurations: • 208Y/120 VAC Wye • 120/240 VAC Split phase The inverter is transformerless and has no galvanic isolation. Therefore, the inverter may only be operated with ungrounded PV arrays.
2 Safety SMA America, LLC 2.2 Skills of Qualified Persons The tasks described in this document may only be performed by qualified persons.
SMA America, LLC 2 Safety Damage to the inverter due to electrostatic discharge Touching electronic components can cause damage to or destroy the inverter through electrostatic discharge. • Ground yourself before touching any components. Observe local regulations All electrical installations must comply with the electrical standards applicable on-site and the National Electrical Code® (ANSI/NFPA 70). Installations in Canada must comply with the applicable Canadian standards.
3 Scope of Delivery SMA America, LLC 3 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.
SMA America, LLC 4 Product Description 4 Product Description 4.1 Sunny Boy The Sunny Boy is a transformerless PV inverter which converts the direct current of a PV array into grid-compliant alternating current and feeds it into the utility grid.
4 Product Description SMA America, LLC The Sunny Boy is a multi-string inverter that has two input areas, A and B, each with its own MPP tracker. This continually determines the maximum power point and controls the voltage on the PV modules accordingly. The two separate MPP trackers make it possible to connect different PV strings to input areas A and B. The PV strings may vary in the number of PV modules, their orientation to the sun and shading.
SMA America, LLC 4 Product Description 4.2 DC Disconnect The DC Disconnect is a DC load-break switch which safely disconnects the PV array from the inverter.
4 Product Description SMA America, LLC 4.3 Type Labels 4.3.1 Sunny Boy The type label provides a unique identification of the inverter. The type label is located on the right-hand side of the enclosure.
SMA America, LLC 4 Product Description 4.3.2 DC Disconnect The type label provides a unique identification of the DC Disconnect. The type label is located on the right-hand side of the enclosure. Figure 5: Layout of the type label Item Description Explanation A ‒ Product name B Item No. DC Disconnect device type C Date of manufacture DC Disconnect manufacture date (month/year) of the D Device-specific characteristics ‒ E Serial No.
4 Product Description SMA America, LLC 4.3.3 Symbols on the Type Labels Symbol Description Explanation Danger to life due to high voltages The product operates at high voltages. All work on the inverter may only be carried out by qualified persons. Risk of burns due to hot surfaces The product can become hot during operation. Avoid contact during operation. Allow the product to cool down sufficiently before carrying out any work. Wear personal protective equipment such as safety gloves.
SMA America, LLC 4 Product Description 4.4 Display The display shows the current operating data of the inverter (e.g. current power, daily energy, total energy) as well as events or error messages. The power and energy are displayed as bars in the diagram.
4 Product Description SMA America, LLC Position Description Explanation K Event number relating to the PV array Event number of errors relating to the PV array L Text line Displays an event message or error message M Power and yield curve Displays the power curve of the last 16 feed-in hours or the energy yields of the last 16 days • In order to switch between the displays, tap once on the enclosure lid.
SMA America, LLC Symbol 4 Product Description Description Explanation Inverter ‒ Grid relay Grid relay closed: indicates that the inverter is feeding into the utility grid Grid relay open: indicates that the inverter is disconnected from the utility grid Utility grid ‒ 4.5 Zigbee® If an antenna is included in the inverter scope of delivery, the inverter is equipped with a ZigBee® interface.
4 Product Description SMA America, LLC 4.8 Fan Retrofit Kit The fan retrofit kit is used for additional inverter cooling at high ambient temperatures (for information on installation and configuration, see the fan retrofit kit installation manual). The fan retrofit kit can be retrofitted, installed at the factory if specified in the order, or included in the regular scope of delivery. 4.9 Arc-Fault Circuit Interrupter (AFCI) In accordance with the National Electrical Code®, Article 690.
SMA America, LLC 5 Mounting 5 Mounting 5.1 Selecting the Mounting Location 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 where highly flammable materials are stored. • Do not mount the inverter in areas having a potentially explosive atmosphere The inverter can become hot during operation Touching the enclosure can result in burn injuries.
5 Mounting SMA America, LLC Dimensions for mounting: Figure 7: 26 Wall mounting bracket dimensions SB3-5TLUS22-IA-en-12 Installation Manual
SMA America, LLC 5 Mounting Recommended Clearances Figure 8: Recommended clearances • To ensure optimal operation, maintain recommended clearances to walls, other inverters or objects. This will prevent the inverter from reducing its power due to high temperatures. • If the inverter is mounted outdoors, the clearance between the DC Disconnect and the floor must be 3 ft. (914 mm). This prevents the ingress of splashing water into the DC Disconnect. • Do not place or hang any objects on the inverter.
5 Mounting SMA America, LLC Observe the permitted mounting position: Figure 9: Permitted and prohibited mounting positions • Mount the inverter in a permitted mounting position with the display at eye level. This ensures that there can be no ingress of moisture into the inverter and that you can read display messages and LED signals without any difficulty. 5.
SMA America, LLC 5 Mounting 2. Align the wall mounting bracket horizontally at the mounting location. 3. Danger to life due to electric shock or explosion if you drill into supply lines There may be gas pipes or electric cables behind the mounting points which could be damaged when drilling the holes for the wall mounting bracket. • Make sure that there are no supply lines behind the mounting points. 4.
5 Mounting SMA America, LLC 5.3 Mounting the Inverter and DC Disconnect 1. Risk of injury when lifting the inverter, or if it is dropped The inverter is heavy (see Section 13 "Technical Data", page 77). Risk of injury exists due to incorrect lifting and due to the inverter falling during transport or when hanging in the wall mounting bracket. • Lift and transport the inverter horizontally in the mounting position. Use the recessed grips on the sides for this. 2.
SMA America, LLC 5 Mounting 6. Place the DC Disconnect into the retainer from the front. Position the DC Disconnect 7. Attach the DC Disconnect to the ground connection on the inverter using the grounding bracket. Use the M6x8 screw included in the delivery, the corresponding conical spring washer and an Allen key (AF 5) (torque: 53 in-lbs. (6 Nm)). When doing so, ensure that the holes in the lateral brackets of the DC Disconnect are flush with the holes in the retainer. Position the DC Disconnect 8.
5 Mounting SMA America, LLC 5.4 Attaching the Anti-Theft Device You can protect the inverter from theft by installing a padlock. The padlock secures the inverter to the wall mounting bracket. The padlock must meet the following requirements: ☐ The material should be rust-proof. ☐ The lock shackle should be hardened. ☐ The lock cylinder should be secured. ☐ If mounted outdoors, the padlock should be weather-proof. Figure 10: Dimensions of the padlock as anti-theft device Item Dimensions A 6 mm (0.
SMA America, LLC 6 Electrical Connection 6 Electrical Connection 6.1 Safety during Electrical Connection Danger to life from electric shock due to high voltages High voltages are present in the DC cables and later during operation in the conductive components of the inverter. These can cause fatal electric shocks. • Before working on the inverter, always disconnect the inverter from all voltage sources as described in Section 10. • Do not open the upper enclosure lid.
6 Electrical Connection SMA America, LLC 6.2 Overview of the Connection Area 6.2.
SMA America, LLC 6 Electrical Connection Item Description Explanation L Enclosure opening For the cable gland used to insert the connection cable for the fan retrofit kit* M Rotary switches For setting the language and country standard N Slot For SD card O Retainer For the retrofit fan P Ground connection For the DC Disconnect grounding bracket * optional 6.2.
6 Electrical Connection SMA America, LLC 6.3 AC Connection 6.3.1 Conditions for the AC Connection Cable requirements: ☐ Conductor cross-section L1, L2 and N: 12 AWG to 6 AWG (3.3 mm² to 13.3 mm²) ☐ Conductor cross-section equipment grounding conductor: 6 AWG (13.3 mm²) ☐ Isolation stripping length: 1⁄2 in. (12 mm) ☐ Solid or stranded wire of copper with no more than 19 single wires ☐ The cable must be designed for the maximum temperature of the AC terminal of +221°F (+105°C).
SMA America, LLC 6 Electrical Connection 6.3.2 Connecting the Inverter to the Utility Grid Requirements: ☐ The country data set and the display language must be correctly set (see Section 7.1 "Making Settings via the Rotary Switches", page 47). ☐ The connection requirements of the grid operator must be met. ☐ The line voltage must be within the permissible range. The exact operating range of the inverter is specified in the operating parameters. 1.
6 Electrical Connection SMA America, LLC • Lead the conductors fully into the terminals. 8. Danger of crushing when safety levers snap shut The safety levers close by snapping down fast and hard. • Only press the safety levers on the terminals down with your thumb. Do not grasp the entire AC connecting terminal plate and do not place your fingers under the safety levers. 9. Ensure that the conductors are securely in place in the terminals. 10.
SMA America, LLC 6 Electrical Connection 13. If the display is raised, lower the display and tighten the display screw by hand. If present, do not kink the adjacent Zigbee® antenna cable. 6.4 DC Connection 6.4.1 Safety during DC Connection Danger to life due to high voltages on DC conductors Risk of death or serious injury due to electric shock from touching a DC conductor. • Do not touch the DC conductors.
6 Electrical Connection SMA America, LLC ☐ For an optimum yield all PV modules of one input area should be mounted with the same inclination and azimuth orientation. Cable requirements: ☐ Solid or stranded wire of copper with no more than 19 single wires ☐ Conductor cross-section: 12 AWG to 6 AWG (5.3 mm² to 13.3 mm²) ☐ The DC cables must be designed for the maximum temperature of the DC terminals of +221°F (+105°C).
SMA America, LLC 6 Electrical Connection 5. Loosen the screw on the lower side of the DC Disconnect using an Allen key (AF 4) and remove the lid of the DC Disconnect. 6. Snap out the required number of knockouts on the desired side of the DC Disconnect for the installation of the conduit fittings (diameter 1⁄2 in., 3⁄4 in. or 1 in.). 7.
6 Electrical Connection SMA America, LLC 12. Insert the equipment grounding conductor of the PV array into the grounding terminal in the DC Disconnect and tighten the terminals using a flat-blade screwdriver (blade width: 5 mm) (torque: 15 in-lb (1.7 Nm)). 13. Check the PV array for ground faults (see Section 11.4 "Checking the PV System for Ground Faults", page 71). 14. Connect the first string for input A to the terminal blocks for input A.
SMA America, LLC 6 Electrical Connection 20. Push the DC Disconnect lid diagonally under the upper edge of the enclosure and press the lid down. The lid must be flush with the enclosure edge. 21. Tighten the lid of the DC Disconnect using an Allen key (AF 4) and the corresponding screw and conical spring washer (torque : 44 in-lb. (5 Nm)). Closing the DC Disconnect 6.
6 Electrical Connection SMA America, LLC Additionally required mounting material (not included in the scope of delivery): ☐ Outlet for secure power supply operation ☐ Switch to activate the emergency power outlet that is designed for at least 120 V (AC) and 10 A ☐ 1 conduit fitting (3⁄4 in. (19 mm)), rain-tight or for wet locations when installed outdoors ☐ 1 conduit (3⁄4 in. (19 mm)) Switch and outlet requirements ☐ The switch must be designed for at least 120 V AC and 10 A.
SMA America, LLC 6 Electrical Connection 3. Remove the filler plugs from the enclosure opening in the inverter. 4. Install the conduit with conduit fitting in the enclosure opening. 5. Feed the cable through the conduit to the terminals on the SPS module. 6. Strip 11⁄32 in. (9 mm) off the conductor insulation. 7. Danger of fire due to short circuit A short circuit can occur in the secure power supply operation if the insulated conductors of the outlet and the switch have been swapped.
6 Electrical Connection SMA America, LLC 11. Connect the insulated conductors that are connected to the black terminals of the SPS module to the switch. 12. Attach the supplied warning label to the emergency power outlet. 13. Label the switch using the supplied label. Label the closed switch position with "ON" and the opened switch position with "OFF".
SMA America, LLC 7 Commissioning 7 Commissioning 7.1 Making Settings via the Rotary Switches 7.1.1 Overview of the Rotary Switches The inverter can be configured for different countries and for use in backup and off-grid systems via two rotary switches. The rotary switches can also be used to change the display language. By default, the inverter is set to a specific country data set.
7 Commissioning SMA America, LLC Possible Settings of the Rotary Switches Here, you will find a list of possible rotary switch positions and which country data sets and display languages are represented by each position. Each country data set contains various operating parameters, which can be individually set according to each country data set. The operating parameters can be read out using a communication product.
SMA America, LLC 7 Commissioning Rotary switch A position Rotary switch B position Country data set Display language D 2 Island mode 60 Hz French D 3 Island mode 60 Hz Spanish D 4 Island mode 60 Hz Italian D 5 Island mode 60 Hz Greek D 6 Island mode 60 Hz Czech E 0 Island mode 50 Hz English E 1 Island mode 50 Hz German E 2 Island mode 50 Hz French E 3 Island mode 50 Hz Spanish E 4 Island mode 50 Hz Italian E 5 Island mode 50 Hz Greek E 6 Island mode 50 Hz
7 Commissioning SMA America, LLC 7.1.3 Changing the Display Language You can change the display language independent of the country data set. This ensures that the country data set remains unchanged. Hint: If you simply remove the jumper, the display language automatically changes to English. 1. If the inverter is in operation, disconnect it (see Section 10). 2. Set the rotary switch A to 0 using a slotted screwdriver (blade width: 2.5 mm). This ensures that the country data set remains unchanged. 3.
SMA America, LLC 7 Commissioning 7.2 Commissioning the Inverter Requirements: ☐ AC overcurrent protection and AC disconnecting unit must be correctly designed. ☐ The inverter must be correctly mounted and closed. ☐ The DC Disconnect must be correctly mounted and closed. ☐ All cables must be correctly connected. 1. Place the lower enclosure lid with the 6 screws onto the enclosure and tighten them using an Allen key (AF 3) in the order 1 to 6 (torque: 18 in-lbs. (2.0 Nm). 2.
8 Configuration SMA America, LLC 8 Configuration 8.1 Changing the Country Data Set Using a Communication Product By default, the inverter is set to a specific country data set. You can see which country data set was set by default at the factory on the type label and the supplementary sheet with the default settings provided.
SMA America, LLC 9 Display and LEDs 9 Display and LEDs 9.1 Switching On the Display By tapping on the enclosure lid once you can operate the display as follows: • Switch on the display • Switch through the text line display • Switch between the power curve of the last 16 feed-in hours and the energy yields of the last 16 days 9.2 Calling Up Messages of the Start Phase If you double tap on the enclosure lid, the display messages of the start phase are repeated.
9 Display and LEDs SMA America, LLC 9.3 LED Signals The LEDs indicate the operating state of the inverter. LED Status Green is glowing Explanation Operation If an event occurs, the event message is shown in the display (see Section 11.1). Red is flashing Conditions for connection to the grid are not fulfilled. is flashing quickly The inverter is performing an update. is glowing Error The display shows the error message and event number (see Section 11.2).
SMA America, LLC 10 Disconnecting the Inverter from Voltage Sources 10 Disconnecting the Inverter from Voltage Sources Danger to life due to high voltages in the inverter Death or serious injury due to electric shock. • Only open the inverter in the order described here. • Before performing any tasks, wait five minutes until the residual voltage has been drained from the components.
10 Disconnecting the Inverter from Voltage Sources SMA America, LLC 6. Damage to the inverter due to electrostatic discharge The internal components of the inverter can be irreparably damaged by electrostatic discharge. • Ground yourself before touching any components. 7. Ensure that no voltage is present on the AC connecting terminal plate using a suitable measuring device. Insert the test probe in each round opening of the terminal: • Ensure that no voltage is present between L1 and N.
SMA America, LLC 10 Disconnecting the Inverter from Voltage Sources • Ensure that no voltage is present between L2 and the equipment grounding conductor. 10.1 Disconnecting the DC Disconnect from Voltage Sources 1. Turn the rotary switch of the DC Disconnect to Off. 2. Wait until the LEDs and inverter display switch off. 3. Loosen the screw on the lower side of the DC Disconnect using an Allen key (AF 4) and remove the lid of the DC Disconnect. 4.
10 Disconnecting the Inverter from Voltage Sources SMA America, LLC 6. Danger to life due to electric shock when touching the DC conductors and DC terminals High voltages are present in the DC cables and DC terminals. • Before performing any tasks, wait five minutes until the residual voltage has been drained. • Do not touch the DC conductors and DC terminals. 7. Ensure that no voltage is present on the DC terminals using a suitable measuring device.
SMA America, LLC 11 Troubleshooting 11 Troubleshooting 11.1 Event Messages Display message Cause AFCI self-test successful The inverter has successfully performed the arc fault detection self-test. Backup mode on The inverter is operating in grid parallel operation with adjusted grid monitoring. Grid guard code valid The SMA Grid Guard code entered is valid. Protected parameters have now been unblocked and you can adjust the parameters.
11 Troubleshooting SMA America, LLC 11.2 Error Messages Event number Display message Cause and corrective measures 101 to 103 Grid fault The line voltage or grid impedance at the connection point of the inverter is too high. The inverter has disconnected from the utility grid. Corrective measures: • Check whether the line voltage at the connection point of the inverter is permanently in the permissible range.
SMA America, LLC 11 Troubleshooting Event number Display message Cause and corrective measures 301 Grid fault The 10-minute average line voltage is no longer within the permissible range. The line voltage or grid impedance at the connection point is too high. The inverter disconnects from the utility grid to comply with the power quality. Corrective measures: • Check whether the line voltage at the connection point of the inverter is permanently in the permissible range.
11 Troubleshooting SMA America, LLC Event number Display message Cause and corrective measures 601 Grid fault The inverter has detected an excessively high proportion of direct current in the line current. Corrective measures: • Check the grid connection for direct current. If this message is displayed frequently, contact the grid operator and check whether it is possible to raise the limiting value for monitoring on the inverter. 701 Frq.
SMA America, LLC 11 Troubleshooting Event number Display message Cause and corrective measures 1501 Reconnection fault grid The changed country data set or the value of a parameter you have set does not correspond to the local requirements. The inverter cannot connect to the utility grid. Corrective measures: • Ensure that the country data set has been configured correctly. Check the setting of the rotary switches A and B or select the parameter Set country standard and check the value.
11 Troubleshooting SMA America, LLC Event number Display message Cause and corrective measures 3501 Insulation resist. The inverter has detected a ground fault in the PV array. Check generator Corrective measures: • Check the PV system for ground faults (see Section 11.4). 3601 High discharge curr. Check generator The leakage current from the inverter and the PV array is too high. A ground fault, a residual current or a malfunction is present.
SMA America, LLC 11 Troubleshooting Event number Display message Cause and corrective measures 4301 Electr. arc detected The inverter has detected an electric arc. Check generator Corrective measures: • Disconnect the inverter from voltage sources (see Section 10). • Ensure that there are no defective PV modules, cables or plugs in the PV system. • Re-commission the inverter (see Section 7). 6001 to 6009 Self diagnosis Interference device The cause must be determined by the SMA Service Line.
11 Troubleshooting SMA America, LLC Event number Display message Cause and corrective measures 6603 to 6604 Self diagnosis The cause must be determined by the SMA Service Line. Overload Corrective measures: • Contact the SMA Service Line. 6701 to 6702 Comm. disturbed A fault has occurred in the internal communication of the inverter. The inverter continues feeding power into the grid. Corrective measures: If this event occurs frequently: • Contact the SMA Service Line.
SMA America, LLC 11 Troubleshooting Event number Display message Cause and corrective measures 7102 Parameter file not found or defective The parameter file was not found or is defective. The update failed. The inverter continues feeding power into the grid. Corrective measures: • Copy the parameter file into the SD card drive:\PARASET directory. 7105 Param. setting failed Parameters cannot be set via the SD card. The inverter continues feeding power into the grid.
11 Troubleshooting SMA America, LLC Event number Display message Cause and corrective measures 7305 Update RS485I module failed Internal device fault, the inverter continues feeding power into the grid. Corrective measures: • Re-try update. • If this error occurs again, contact the SMA Service Line. 7311 Update language table Internal device fault, the inverter continues failed feeding power into the grid. Corrective measures: • Re-try update.
SMA America, LLC 11 Troubleshooting Event number Display message Cause and corrective measures 7701 to 7712 Self diagnosis The cause must be determined by the SMA Service Line. Interference device Corrective measures: • Contact the SMA Service Line. 8001 Derating occurred The inverter has reduced its power output for more than ten minutes due to excessive temperature. Corrective measures: • If this message is frequently displayed, clean the cooling fins and air ducts (see Section 11.
11 Troubleshooting SMA America, LLC Event number Display message Cause and corrective measures 8801 to 8803 No display This error message can have 3 causes but the inverter continues to feed into the utility grid. The ambient temperature is lower than ‒13°F (‒25°C). The display switched off for protection. The inverter cannot identify the display type. No display is connected to the inverter or the connection is defective.
SMA America, LLC 11 Troubleshooting Event number Display message Cause and corrective measures 9005 Changing grid param. This error can have the following causes: not possible • The selected rotary switch setting for the Ensure DC supply country configuration is not programmed. • The parameters to be changed are protected. • The DC voltage at the DC input is not sufficient to run the main CPU. Corrective measures: • Check the settings of the rotary switches (see Section 7.1.
11 Troubleshooting SMA America, LLC Proceed as follows to check each string in the PV system for ground faults. 1. Disconnect the inverter from any voltage sources (see Section 10). 2. Measure voltages: • Measure the voltages between the positive terminal and the ground potential. • Measure the voltages between the negative terminal and the ground potential. • Measure the voltages between the positive terminals and negative terminals.
SMA America, LLC 11 Troubleshooting 11.5 Replacing DC Varistors In regions where electrical storms or other DC overvoltages frequently occur, the DC varistors lose their functionality if the PV system is not equipped with additional overvoltage protection. In such cases, SMA recommends replacing DC varistors with new ones after an operating period of 10 years in order to ensure that the functionality of the DC varistors remains at a constant level.
11 Troubleshooting SMA America, LLC 5. Ensure that the wires of the varistors are secure in the terminal. 6. Remove the insertion tool from the contacts of the connecting terminal plate. 7. Push the DC Disconnect lid diagonally under the upper edge of the enclosure and press the lid down. The lid must be flush with the enclosure edge. 8. Tighten the lid of the DC Disconnect using an Allen key (AF 4) and the corresponding screw and conical spring washer (torque : 44 in-lb. (5 Nm)).
SMA America, LLC 12 Decommissioning 12 Decommissioning 12.1 Disassembling the Inverter 1. Disconnect the inverter from any voltage sources (see Section 10). 2. Disconnect the DC Disconnect from voltage sources (see Section 10.1). 3. Remove the AC output cable from the inverter. 4. If the SPS module is connected, remove the output cable from the inverter. 5. If a data cable is connected, remove the data cable from the inverter. 6. If the Zigbee® antenna is connected, unscrew the antenna. 7.
12 Decommissioning SMA America, LLC 13. Unscrew all conduits and conduit fittings. 14. Tighten the lid of the DC Disconnect using an Allen key (AF 4) and the corresponding screw and conical spring washer (torque : 44 in-lb. (5 Nm)). 15. If the inverter is protected against theft, open the padlock and remove it. 16. Risk of injury when lifting the inverter, or if it is dropped The inverter is heavy (see Section 13 "Technical Data", page 77).
SMA America, LLC 13 Technical Data 13 Technical Data 13.1 DC/AC 13.1.
13 Technical Data SMA America, LLC Efficiency Maximum efficiency, ηmax CEC efficiency, ηCEC at 208 V AC nominal CEC efficiency, ηCEC at 240 V AC nominal 97.1% 96.5% 96.9% 13.1.
SMA America, LLC 13 Technical Data Efficiency Maximum efficiency, ηmax CEC efficiency, ηCEC at 208 V AC nominal CEC efficiency, ηCEC at 240 V AC nominal 97.2% 96.6% 97.0% 13.1.
13 Technical Data Connection conductor Output connections SMA America, LLC 2 L1, L2, N, PE Efficiency Maximum efficiency, ηmax CEC efficiency, ηCEC at 208 V AC nominal CEC efficiency, ηCEC at 240 V AC nominal 97.0% 96.5% 96.9% 13.
SMA America, LLC Noise emission, typical Power loss in night mode Topology Cooling concept Fan connection Electronics degree of protection Protection class Overvoltage category Approvals, as at March 2013 Grid configurations 13 Technical Data ≤ 25 dB(A) <1W Transformerless Convection designed for safe disconnection in accordance with DIN EN 50178:1998-04 (until 2013 replaced by DIN EN 62109-1) NEMA 3R I IV UL 1741, UL 1699B, IEEE 929-2000, IEEE 1547, Canadian Electrical Code® CSA C22.2 N0. 107.
13 Technical Data SMA America, LLC 13.6 Features DC connection AC connection Display Zigbee® RS485, galvanically isolated Speedwire with Webconnect function Fan retrofit kit SPS module Screw terminal Spring-cage terminal LC graphic display optional* optional optional optional optional* * only with a corresponding order, no retrofitting possible 13.
SMA America, LLC 14 Accessories 14 Accessories You will find relevant accessories and spare parts for your product in the following overview. If required, these can be ordered from SMA or your distributor. Description Brief description SMA order number DC replacement varistors Set with 4 varistors incl.
15 Compliance Information SMA America, LLC 15 Compliance Information FCC Compliance This device complies with Part 15 of the FCC Rules and contains FCC ID: SVF-SCOM31. 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.
SMA America, LLC 16 Contact 16 Contact If you have technical problems concerning our products, contact the SMA Service Line.
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