SMA Sunny Boy 3000US Installation Manual
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SMA Sunny Boy 3000US Installation Manual

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Sunny Boy 3000US
Sunny Boy 4000US
Installation Guide
Version 1.2
SB3000US-4000US-11-SE1607
TBUS-SB30_40US

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Summary of Contents for SMA Sunny Boy 3000US

  • Page 1 Sunny Boy 3000US Sunny Boy 4000US Installation Guide Version 1.2 SB3000US-4000US-11-SE1607 TBUS-SB30_40US...
  • Page 2 SMA America SB3000US-4000US-11-SE1607...

  • Page 3: Revision History

    Specifications are subject to change without notice. Every attempt has been made to make this document complete, accurate and up-to-date. Readers are cautioned, however, that SMA America reserves the right to make changes without notice and shall not be responsible for any damages, including indirect, incidental or...

  • Page 4: Safety And Hazard Symbols

    This symbol appears beside instructions and warnings that deal with dangerous voltages that can injure or kill people who come in contact with them. This symbol appears beside terminations that are connected to earth-ground. SMA America SB3000US-4000US-11-SE1607...

  • Page 5: Warnings

    SMA equipment and/or other equipment con- nected to the SMA equipment or personal injury. Warnings and Cautions may also be accompanied by one or more of the safety and hazard symbols described above to indicate the type of hazard described therein.
  • Page 6 Sunny Boy shipping container. For warranty coverage, or if you have questions about the Sunny Boy warranty, contact SMA America at the address, telephone number or Web site listed on page iii (to send E- mail, see the Contact section of the SMA America Web site).

  • Page 7: Table Of Contents

    Wiring without SMA DC-Disconnect....5-2 Wiring with SMA DC-Disconnect ..... 5-3 Bottom view and Dimensions .
  • Page 8 Closing the Sunny Boy ....... . . 5-27 Closing the SMA DC-Disconnect (if applicable) ....5-28...
  • Page 9 Trip Limits / Trip Times ....... . . 10-5 Torque Values and Wire Sizes......10-6 SB3000US-4000US-11-SE1607 SMA America...
  • Page 10 SMA America SB3000US-4000US-11-SE1607...

  • Page 11: Introduction

    Installation Guide before starting the installation. WARNING: Lethal voltages are present at various points in a PV system. For safety reasons, it is rec- ommended that only qualified personnel install and operate this equipment. SB3000US-4000US-11-SE1607 SMA America...

  • Page 12: Product Overview

    Utility Grid Figure 1-1 Sunny Boy Installed in a Utility Interactive PV System Note: Policies vary from one utility company to another. Consult with a representative of the local utility company before designing and installing a PV system. SMA America SB3000US-4000US-11-SE1607...

  • Page 13: Safety

    Systems as well as IEEE-929-2000 Recommended Practice for Utility Interface of Photovoltaic Systems and IEEE 1547 Standard for Interconnecting Distributed Resources with Electric Power Systems. The Sunny Boy is also UL listed under UL1741 for use in Canada. SB3000US-4000US-11-SE1607 SMA America...
  • Page 14 Sunny Boy. As a result, the Sunny Boy represents state-of-the-art technology, high reliability and overall ease of use - all the qualities you’ve come to expect from SMA, the industry leader in inverter technology. Some of the features included are: • LCD •...

  • Page 15: Installation Overview

    Commissioning involves applying DC input power to the Sunny Boy, observing the LED and LCD indicators on the front cover, and resolving any problems that occur. Section 7: Displays and Messages This section provides troubleshooting tips and procedures for resolving problems that may occur during installation and operation. SB3000US-4000US-11-SE1607 SMA America...
  • Page 16 Introduction Installation Overview SMA America SB3000US-4000US-11-SE1607...

  • Page 17: Unpacking And Inspection

    SMA dealer and to the shipping company that delivered the Sunny Boy. If it becomes necessary to return the Sunny Boy, use the original packaging in which it was delivered.

  • Page 18: Scope Of Delivery

    (1 x fan test and 1 x grid configuration) two handle covers (left and right) SMA DC-Disconnect (if applicable): one DC-Disconnect one screw for the switch handle of the DC-Disconnect (spare) one allen key for fastening the switch...

  • Page 19: Mounting

    Note: Occasionally, the rating label on the Sunny Boy will need to be referred to. For this reason, it is required that the inverter be mounted so that the rating label on the side of the inverter be visible. SB3000US-4000US-11-SE1607 SMA America...

  • Page 20: Choosing A Mounting Location

    • If the inverter is installed outside, it should be mounted vertically or tilted back (see Figure 3-1). Vertical Tilted Forward Tilted Back (best) (Unaccaptable) (Acceptable) Figure 3-1 Sunny Boy Mounting Positions Note: These inverter types are intended for operation in an environment having a maximum ambient temperature of 45 °C. SMA America SB3000US-4000US-11-SE1607...
  • Page 21 WARNING: To prevent electrical shock or other in- jury, check for existing electrical or plumbing instal- lations in the walls before drilling mounting holes for the Sunny Boy. SB3000US-4000US-11-SE1607 SMA America...

  • Page 22: Dimensions And Recommended Clearances

    The outer dimensions of the Sunny Boy are shown in Figure 3-2. The Sunny Boy must be mounted so that there is at least eight inches of clearance around it. The clearance between the inverter or the SMA DC-Disconnect (if applicable) and the ground has to be at least 3 ft.
  • Page 23 Mounting Dimensions and Recommended Clearances Figure 3-3 Dimensions of the Wall Mounting Bracket SB3000US-4000US-11-SE1607 SMA America...

  • Page 24: Mounting Procedure

    Be sure to use the appropriate type of mounting hardware for the wall material and ensure that the hardware is no smaller than ¼“. Figure 3-4 Sunny Boy with Mounting Bracket (stone wall mounting) SMA America SB3000US-4000US-11-SE1607...
  • Page 25 Mounting Mounting Procedure Figure 3-5 Sunny Boy with Mounting Bracket (wood wall mounting 1) Figure 3-6 Sunny Boy with Mounting Bracket (wood wall mounting 2) SB3000US-4000US-11-SE1607 SMA America...
  • Page 26 DO NOT use molly or toggle bolts to mount the Sunny Boy to sheet rock or panelling. 4. Set the bracket aside temporarily, and drill holes at the marks you made on the wall. SMA America SB3000US-4000US-11-SE1607...
  • Page 27 5. Insert the screws through the holes in the wall-mounting bracket and into the holes you drilled in the wall. Tighten the screws until the bracket is held firmly against the wall (see Figure 3-4). Do not overtighten the screws. SB3000US-4000US-11-SE1607 SMA America...

  • Page 28: Mounting The Sma Dc-Disconnect (If Applicable)

    Mounting the SMA DC-Disconnect (if applicable) Figure 3-8 Mounting the SMA DC-Disconnect Attach the SMA DC-Disconnect to the two lower holes of the wall-mounting bracket, using two M6 x 10 screws and washers provided. The teeth of the washers should face towards the wall in order to ensure proper grounding.

  • Page 29: Mounting The Sunny Boy

    Sunny Boy ( see # 3in Figure 3-9). Look for the L & R on the inside of the fins. They are required to adequately prevent insects entering the unit. Note: Should the handle covers break, new handle covers can be ordered from SMA America. 5. Carefully verify that the Sunny Boy is firmly mounted in place. SB3000US-4000US-11-SE1607...
  • Page 30 Mounting Mounting Procedure 6. When the Sunny Boy has been mounted correctly it should look like one of the examples in Figure 3-10. Figure 3-10 Mounted Sunny Boy with and without SMA DC-Disconnect 3-12 SMA America SB3000US-4000US-11-SE1607...

  • Page 31: Ac Voltage Configuration

    CAUTION: Do not install the Sunny Boy during periods of precipitation or high humidity (> 95%). Moisture trapped within the enclosure may cause corrosion and damage to the electronic components. SB3000US-4000US-11-SE1607 SMA America...

  • Page 32: Locating Internal Components

    DC– Terminal (input from PV array) Output AC Line Terminals PV RETURN Terminal PV HOT Terminal ( L1, L2, N and L2) (input from PV array) (input from PV array) Figure 4-1 Sunny Boy Internal Components SMA America SB3000US-4000US-11-SE1607...

  • Page 33: Automatic Grid Voltage Detection

    AC Connection Voltage Range for 208 V nominal, line to line 183 V - 229 V Voltage Range for 240 V nominal, line to line 211 V - 264 V Frequency Range 59.3 Hz - 60.5 Hz SB3000US-4000US-11-SE1607 SMA America...
  • Page 34 The figure Figure 4-2 below illustrates commonly used transformer types. Remember, when connecting the Sunny Boy to the utility, the phase relationship is not important, but the voltage must be compatible. Figure 4-2 Common Utility Voltage Configurations SMA America SB3000US-4000US-11-SE1607...

  • Page 35: Utility Configuration Jumpers

    Figure 4-3 Utility Configuration Jumpers The Sunny Boy may be configured for two different grid types commonly found in the U.S. The Sunny Boy is compatible with: • 208 V AC output • 240 V AC output SB3000US-4000US-11-SE1607 SMA America...
  • Page 36 The Figure 4-4 below illustrates the proper jumper settings when connecting to a 240 Delta : 120V Stinger type transformer. Note the order in which inverters are connected to the phases. 240 Delta : 120 Stinger Figure 4-4 Utility Configuration Jumper Examples SMA America SB3000US-4000US-11-SE1607...

  • Page 37: Wiring The Sunny Boy

    250 of the National Electric Code, ANSI/NFPA 70, is the responsibility of the installer. Note: The Photovoltaic System Grounding shall be installed per the requirements of sections 690.41 through 690.47 of the National Electric Code, ANSI/NFPA 70, and is the responsibility of the installer. SB3000US-4000US-11-SE1607 SMA America...

  • Page 38: Sequence Of Connecting

    Wiring the Sunny Boy Sequence of Connecting Sequence of Connecting Wiring without SMA DC-Disconnect WARNING: Always connect the wires to the Sunny Boy in the following sequence: 1. De-energize all energy sources by opening all AC and DC disconnects and/or breakers .

  • Page 39: Wiring With Sma Dc-Disconnect

    3. Wiring from the AC disconnect switch to the Sunny Boy, follow the procedure on page 5-12 et seq.. 4. Wiring from the PV array to the SMA DC-Disconnect, follow the procedure on page 5-21 et seq.. 5. Wiring from the SMA DC-Disconnect to the Sunny Boy, follow the procedure on page 5-21 et seq..

  • Page 40: Bottom View And Dimensions

    CAUTION: The AC and DC knockouts in the Sunny Boy chassis are sized for 3/4-inch rigid conduit. DO NOT enlarge any of these holes, as this is may violate the listing and will void the SMA warranty. SMA America SB3000US-4000US-11-SE1607...

  • Page 41: Opening The Sunny Boy

    2. Remove the screw from the underside of the switch handle with the provided allen-key. 3. Remove the M6 x 10 screw and washer from the bottom side of the SMA DC- Disconnect, which fastens the cover. 4. Pull off the switch handle.
  • Page 42 Wiring the Sunny Boy Opening the SMA DC-Disconnect (if applicable) at the same time carefully forward at its lower edge. SMA America SB3000US-4000US-11-SE1607...

  • Page 43: Wiring The Ac Output

    The following diagrams show the potential losses in AC wires with respect to the cross-sectional area of the cable and the length of the cable. Use the following diagrams to determine the best wire size to use for your particular installation. SB3000US-4000US-11-SE1607 SMA America...
  • Page 44 Wiring the Sunny Boy Wiring the AC Output Sunny Boy SB 3000US Percent voltage drop for 208 V AC and 240 V AC service Figure 5-2 SB 3000US: Energy Losses in Various Wire Sizes and Wire Lengths SMA America SB3000US-4000US-11-SE1607...
  • Page 45 Wiring the Sunny Boy Wiring the AC Output Sunny Boy SB 4000US Percent voltage drop for 208 V AC and 240 V AC service Figure 5-3 SB 4000US: Energy Losses in Various Wire Sizes and Wire Lengths SB3000US-4000US-11-SE1607 SMA America...

  • Page 46: Sma America

    Wiring the Sunny Boy Wiring the AC Output AC Wiring Without SMA DC-Disconnect Use the following procedure to connect the AC wires to the Sunny Boy without the SMA DC-Disconnect: WARNING: You must connect the wires that carry the AC voltage from the Sunny Boy to the utility grid in the order described in this procedure.
  • Page 47 11. Verify that all connections are correctly wired and properly torqued. N wire connected to N terminal L2 wire connected to L2 terminal L1 wire connected to L1 terminal Equipment ground wire connected to PE terminal Figure 5-4 AC Connection Terminals SB3000US-4000US-11-SE1607 SMA America 5-11...

  • Page 48: Ac Wiring With Sma Dc-Disconnect

    7. Connect the AC equipment-ground wire to the PE terminal labeled in the SMA DC-Disconnect. 8. Connect the L1 (AC line 1or HOT) wire to the terminal labeled L1 in the SMA DC-Disconnect. 9. Connect the L2 (AC line 2) wire to the terminal labeled L2 in the SMA DC- Disconnect.
  • Page 49 Wiring the Sunny Boy Wiring the AC Output 10. Connect the N (AC line N) wire to the terminal labeled N in the SMA DC- Disconnect. 11. Connect the white wire of the SMA DC-Disconnect to the terminal labeled N in the Sunny Boy and the black wire to the terminal labeled L1 in the Sunny Boy.

  • Page 50: Wiring The Dc Input

    This subsection provides procedures for wiring the DC input from the PV array to the Sunny Boy. Figure 5-6 shows a simplified wiring diagram of a PV system. Figure 5-6 Simplified Electrical Wiring Diagram of a PV System 5-14 SMA America SB3000US-4000US-11-SE1607...

  • Page 51: Dc Connection Requirements

    WARNING: The external DC disconnect for the in- verter must have a minimum rating of 600 VDC and 30 A continuous. The SMA DC-Disconnect is shipped with four 15 A, 600 Vdc fuses (one for each string). See "Exchanging the PV String Fuses within the SMA DC-Disconnect"...
  • Page 52 Wiring the Sunny Boy Wiring the DC Input Figure 5-7 Online String-Configuration Calculator at www.sma-america.com 5-16 SMA America SB3000US-4000US-11-SE1607...

  • Page 53: Dc Input Grounding

    (1) and change the jumper position (2) as shown in the following illustrations. Figure 5-8 GFDI Fuse and Jumper Settings for Negative Ground Figure 5-9 GFDI Fuse and Jumper Settings for Positive Ground SB3000US-4000US-11-SE1607 SMA America 5-17...

  • Page 54: Connecting The Dc Wires

    Always verify the DC voltage before con- necting the DC-input wires from the PV array to the Sunny Boy. (See the online SMA string size calculator at www.sma-america.com to determine the correct string configuration as shown in Figure 5-7.)

  • Page 55: Dc Wiring Without Sma Dc-Disconnect

    Wiring the Sunny Boy Wiring the DC Input DC Wiring Without SMA DC-Disconnect Use the following procedure to connect the DC wires to the Sunny Boy without SMA DC-Disconnect: 1. Verify that the AC breaker is OFF. 2. Verify that the external DC disconnect is open in the DC disconnect enclosure.
  • Page 56 9. Connect the DC equipment ground wire to the PE terminal labeled in the Sunny Boy. 10. Torque all AC and DC wires in the Sunny Boy to 15 in-lb (1.7 Nm). 11. Verify that all connections are correctly wired and properly torqued. 5-20 SMA America SB3000US-4000US-11-SE1607...

  • Page 57: Dc Wiring With Sma Dc-Disconnect

    1. Pull the DC wires from the PV array through the conduit into the interior of the SMA DC-Disconnect. 2. Connect the positive DC wire to the terminal labeled PV HOT in the SMA DC- Disconnect. 3. Connect the negative DC wire to the terminal labeled PV RETURN in the SMA DC-Disconnect.
  • Page 58 Figure 5-12 DC Connection with positive grounding 1. Pull the DC wires from the PV array through the conduit into the interior of the SMA DC-Disconnect. 2. Connect the negative DC wire to the terminal labeled PV HOT in the SMA DC- Disconnect. 5-22...
  • Page 59 Wiring the Sunny Boy Wiring the DC Input 3. Connect the positive DC wire to the terminal labeled PV RETURN in the SMA DC-Disconnect. Note: The SMA DC-Disconnect has provisions for up to four PV strings. The PV HOT and PV RETURN terminal block each has four positions, so four pairs of DC-input wires can be connected in parallel.

  • Page 60: Communication Wiring

    Piggy-Back modules that can be installed and connected either at the time the inverter is installed or at any time thereafter. These modules are not included with the Sunny Boy. Please contact SMA America for information. Refer to the instructions included with the communication module for installation procedures.
  • Page 61 Note: The termination of the other end of the RS-485 cable will depend on what type of device you’re connecting to. For detailed information, please see the Tech Updates section of our web site at www.sma-america.com There you will find technical information on all of the Sunny Boy communication options.

  • Page 62: Communication Module

    RS-485 bus. pin 2 (Data+)and pin 7 (Data-). Figure 5-13 Detail of RS-485 Termination and Jumper Settings RS-485 Pinouts 2 - A (+) (Data+) 7 - B (-) (Data-) 5 - SR (Signal Ref.) 5-26 SMA America SB3000US-4000US-11-SE1607...

  • Page 63: Closing The Sunny Boy

    3. Check the seal on the inside of the cover to ensure it is undamaged and in the correct position. 4. Carefully position the cover on the front of the Sunny Boy so that the four holes in the cover are aligned correctly with the four threaded holes in the case. SB3000US-4000US-11-SE1607 SMA America 5-27...

  • Page 64: Closing The Sma Dc-Disconnect (If Applicable)

    Wiring the Sunny Boy Closing the SMA DC-Disconnect (if applicable) Note: Be sure when reinstalling the four screws that the lock washers are installed correctly. The teeth of the washers should face towards the LID. 5. While holding the cover in place, carefully insert the four...

  • Page 65: Commissioning

    2. Connect the grid voltage to the Sunny Boy by switching on the main AC circuit breaker in the main utility panel. 3. Switch the external DC disconnect to the position or switch the SMA DC- " " Disconnect to the position.
  • Page 66 AC disturbance, the inverter will wait 5 minutes after the AC power has been restored to reconnect. When servicing the inverter, always disconnect the DC first, then the AC. SMA America SB3000US-4000US-11-SE1607...

  • Page 67: Displays And Messages

    Figure 7-1 The Sunny Boy LED Status Indicator Each Sunny Boy inverter comes equipped with three LED status indicators. (Shown in Figure 7-1) This allows the user to determine the operating mode of the inverter at a glance. SB3000US-4000US-11-SE1607 SMA America...
  • Page 68 The inverter will not restart automatically after detecting a ground fault. The ground fault may also clear the GFDI fuse. Note: All GFDI faults are disabled in turbine mode. SMA America SB3000US-4000US-11-SE1607...

  • Page 69: Led Operation Indicators

    Occasionally, during inclement weather or low irradiation, the LEDs may all turn on at once and then go off again. This indicates that the inverter is trying to initialize but the power available from the array is not sufficient for normal operation. This is not a malfunction. SB3000US-4000US-11-SE1607 SMA America...
  • Page 70 Note: If the inverter fails to connect to the utility grid 3 times in a row, it will wait 10 minutes before the next attempt. In case of a grid failure, the Sunny Boy will wait 5 minutes before it tries to reconnect to the grid. SMA America SB3000US-4000US-11-SE1607...
  • Page 71 The inverter will continue to operate beyond 45°C and will derate as required to maintain safe internal component temperatures. Unnecessary derating can also be caused by blocked fan intakes. For this reason the fan intakes should be inspected often and cleaned when necessary. SB3000US-4000US-11-SE1607 SMA America...

  • Page 72: Led Fault Indicators

    CAUTION: For continued protection against the risk of fire, replace the GFDI fuse with fuses of the same type and rating only. The Sunny Boy is shipped with a Littelfuse KLKD 1 Amp, 600V AC/DC type fuse. SMA America SB3000US-4000US-11-SE1607...
  • Page 73 The Sunny Boy has detected a fault within the internal monitoring systems. When the inverter detects a fault of this kind it will no longer connect to the utility grid. To correct this, the inverter must be serviced by a qualified service technician. Contact SMA America for assistance. SB3000US-4000US-11-SE1607 SMA America...
  • Page 74 CAUTION: Have the grid connection to the Sunny Boy checked only by qualified personnel. WARNING: If opening the Sunny Boy is required, do so only after disconnecting all sources of power and waiting at least 5 minutes. SMA America SB3000US-4000US-11-SE1607...
  • Page 75 Sunny Boy immediately. High DC input voltage can permanently damage the inverter. Have the input source checked by a qualified technician. WARNING: Always test the DC voltage at the DC disconnect switch before energizing the Sunny Boy. SB3000US-4000US-11-SE1607 SMA America...

  • Page 76: Inverter Fault

    The code is repeated 3 times. If the condition remains the code will continue to be sent. The inverter has encountered an internal fault that prohibits normal operation and will most likely require servicing. Contact SMA America for assistance. 7-10 SMA America SB3000US-4000US-11-SE1607...

  • Page 77: Status Messages On The Lcd

    WR4kUxxx Sunny Boy Inverter Model # BFR Version x.xx The installed firmware versions of the control system processor (BFR) and the current regulator processor SRR Version x.xx (SRR) are displayed after 6 seconds. Firmware Version #’s SB3000US-4000US-11-SE1607 SMA America 7-11...
  • Page 78 512h Total energy yield and total operating hours Note: The screens may also be scrolled through manually by repeatedly knocking on the lid of the inverter. Each knock advances the screen to the next message. 7-12 SMA America SB3000US-4000US-11-SE1607...
  • Page 79 Note: Each fault message is displayed for 5 seconds. After 5 seconds, the LCD will once again scroll through its normal operating screens. The fault condition will be included in the series of screens until the condition is cleared. SB3000US-4000US-11-SE1607 SMA America 7-13...

  • Page 80: Lcd Language Selection

    Position of the switches for configuration of the LCD language Language Switch S2 Switch S1 German English French Spanish Switch S2 Switch S1 Figure 7-3 Language Selection Switches for the LCD 7-14 SMA America SB3000US-4000US-11-SE1607...

  • Page 81: Communication Options

    Sunny Portal via internet gives you entirely new possibilities for data acquisition and evaluation as well as the visualization on a PC with an internet browser. No additional software needs to be installed. SB3000US-4000US-11-SE1607 SMA America 7-15...
  • Page 82 Sunny Portal The Sunny Portal is a high performance interface from SMA for the monitoring and presentation of your system on the Internet. Details can be obtained directly from www.SUNNY-PORTAL.com.

  • Page 83: Measuring Channels And Parameters

    Temperature: Temperature measured at IGBT module Ipv: PV current Max Temperature: Max temperature measured at IGBT Max Vpv: Max PV input voltage I-dif: Error current Vfan: Fan voltage E-Total: Total energy yield h-Total: Total operation hours SB3000US-4000US-11-SE1607 SMA America 7-17...

  • Page 84: Operating Mode

    Sunny Boy is in constant voltage MPP mode Derating: Reduction of the grid feeding power due to abnormal heatsink temperatures Disturbance: Grid related fault condition, self clearing Error: Inverter fault, user interaction required Warning: System warning advising further investigation 7-18 SMA America SB3000US-4000US-11-SE1607...

  • Page 85: Sunny Boy Operating Parameters

    Default value is optimal for installations < 30 kW. Fan-Test 1 / 0 Installer By setting this parameter to “1“ you can check the function of the fans. This test turns the fans at maximum speed. SB3000US-4000US-11-SE1607 SMA America 7-19...
  • Page 86 < 30 kW Vac-Min-Fast* 0 ... 50 Installer Values are used to calculate the lower and upper limits of allowable AC voltage for fast disconnection. Vac-Max-Fast* 0 ... 20 Installer Default value optimal installations < 30 kW. 7-20 SMA America SB3000US-4000US-11-SE1607...
  • Page 87 SB3000US: Upper limit of AC output power 3050 SB4000US: 4050 SMA-SN Serial Number of the Sunny Boy Software-BFR Firmware version of the operation control unit (BFR) Software-SRR Firmware version of the current control unit (SRR) SB3000US-4000US-11-SE1607 SMA America 7-21...
  • Page 88 Displays and Messages Measuring Channels and Parameters 7-22 SMA America SB3000US-4000US-11-SE1607...

  • Page 89: Troubleshooting

    • If the system problem persists, contact SMA America technical support at: (530)273-4895. In order to better assist you when contacting SMA America, please provide the following information. This information is required for service assistance. Information Regarding the Sunny Boy: •...
  • Page 90 • Number of modules in each string • Number of PV strings connected to the inverter If it becomes necessary to send the Sunny Boy back to the manufacturer for service, please ship it in the original box to avoid damage during shipping. SMA America SB3000US-4000US-11-SE1607...

  • Page 91: Error Messages

    Error EEPROM p Data EEPROM defective, device is set to permanent dis- able due to the fact that the data loss affects important func- tions of the inverter. Contact SMA for assistance. Disturbance EeRestore Internal failure. Disturbance Fac-Bfr The AC grid frequency is exceeding the allowable range.
  • Page 92 SRR processors are measuring different values. Con- tact SMA for assistance. Error MSD-VAC Disturbance OFFSET Grid monitoring self-test failed. Contact SMA for assis- tance. Error The internal test of the Sunny Boy control system firmware failed. Contact SMA for assistance.

  • Page 93: Maintenance

    The fan is mounted on the bottom side of the Sunny Boy. To clean or replace the fan please follow the steps below: 1. Turn OFF the external DC disconnect or switch the SMA DC-Disconnect to the “0“ position and turn OFF the AC disconnect and wait 5 minutes for any residual voltages to dissipate.

  • Page 94: Testing The Fan

    Sunny Boy Control). • Turn off the inverter by turning off the AC disconnect and then the DC disconnect (switch the SMA DC-Disconnect to the "0" position) and wait 5 minutes for any residual voltages to dissipate. • Once the LED’s are off, remove the cover and set the jumpers as shown in Figure 9-1.

  • Page 95: Cleaning The Handle Cover

    • When the fins are clean, reinstall the handle cover. Note: The handle cover must not be removed permanently, because otherwise the device is not protected against the entrance of insects! Should the handle cover break, a new handle cover can be ordered from SMA America. SB3000US-4000US-11-SE1607 SMA America...

  • Page 96: Exchanging The Fuses

    WARNING: For continued protection against risk of fire, replace only with the same type and ratings of fuse (600 V , 1 A)! 5. Close the Sunny Boy. 6. Turn ON all AC and DC switchens and/or breakers. SMA America SB3000US-4000US-11-SE1607...

  • Page 97: Exchanging The Pv String Fuses Within The Sma Dc-Disconnect

    Maintenance Exchanging the Fuses Exchanging the PV String Fuses within the SMA DC- Disconnect 1. Turn OFF all AC and DC switches and/or breakers. 2. Wait for at least 5 minutes. 3. Open the Sunny Boy. • Exchange the fuses having regard to the information on the next page.
  • Page 98 PV String Fuses The SMA DC-Disconnect is shipped with 15 A, 600 Vdc fuses in the fuse holders. Illustration 9-3 on page 9-5 shows the string fuse holders and their corresponding terminals.

  • Page 99: Technical Specifications

    • Consult the dealer or an experienced radio/TV technician for help. • The user is cautioned that changes or modifications not expressly approved by SMA America, Inc. could void the user’s authority to operate this equipment. Contact SMA America for more information.

  • Page 100: Sunny Boy Wiring Diagram

    Sunny Boy connection to 208 and 240 V AC utility grids. The AC disconnect switch shown below may or may not be required by the local utility. Wiring Diagram without SMA DC-Disconnect Sunny Boy 3000US Sunny Boy 4000US Wiring Diagram with SMA DC-Disconnect...

  • Page 101: Specifications

    PV Start Voltage SB 3000US: 230 V SB 4000US: 285 V Maximum AC Continuous SB 3000US: 15 A Output Current SB 4000US: 17 A Maximum DC Input Current SB 3000US: 17 A SB 4000US: 18 A SB3000US-4000US-11-SE1607 SMA America 10-3...
  • Page 102 (452 W x 351H x 236 D mm) Weight 88 lbs. (40 kg) Compliance UL1741, UL 1998, IEEE 1547, IEEE 929, IEEE C37.90.1, IEEE C62.41.2 (test conditions 2 kV/1 kA), FCC Part 15 A & B Specifications subject to change without notice. 10-4 SMA America SB3000US-4000US-11-SE1607...

  • Page 103: Trip Limits / Trip Times

    0.1602 Manufacturer’s Accuracies: • Trip Limit Accuracy: ± 2 % of nominal grid voltage • Trip Time Accuracy: ± 0.1 % of nominal trip time • Trip Frequency Accuracy: ± 0.1 % of nominal frequency SB3000US-4000US-11-SE1607 SMA America 10-5...

  • Page 104: Torque Values And Wire Sizes

    AC & DC Terminal Blocks 6 - 10 AWG SMA DC-Disconnect M6 x 10 screws for fastening the Sunny Boy and the SMA DC-Disconnect to the wall mounting bracket and closing the SMA DC-Disconnect cover M6 x 16 Cover Screws 10-6...
  • Page 106 12438 Loma Rica Drive, Unit C Grass Valley, CA 95945 Phone 530.273.4895 Fax 530.274.7271 E-mail: info@sma-america.com Toll Free 888–4SMAUSA SMA Technologie AG SMA Ibérica Tecnología Solar, S.L. Niestetal, Germany Barcelona, Spain E-mail: info@SMA.de E-mail: info@SMA-Iberica.com SMA Beijing Commercial Co., Ltd. SMA Italia S.r.l.

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