SMA SUNNY BOY 5000-US Installation Manual
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SMA SUNNY BOY 5000-US Installation Manual

Pv inverter
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PV Inverter
SUNNY BOY 5000-US / 6000-US / 7000-US / 8000-US
Installation Guide
SB50US-80US-eng-IUS112633 | TBUS-SB50_60_70US | Version 3.3
CA
US

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Summary of Contents for SMA SUNNY BOY 5000-US

  • Page 1 PV Inverter SUNNY BOY 5000-US / 6000-US / 7000-US / 8000-US Installation Guide SB50US-80US-eng-IUS112633 | TBUS-SB50_60_70US | Version 3.3...
  • Page 2 All such warranties are expressly disclaimed. Neither SMA America, LLC nor its distributors or dealers nor SMA Solar Technology Canada Inc. nor its distributors or dealers shall be liable for any indirect, incidental, or consequential damages under any circumstances.
  • Page 3 A warning describes a hazard to equipment or personnel. It calls attention to a procedure or practice, which, if not correctly performed or adhered to, could result in damage to or destruction of part or all of the SMA equipment and/or other equipment connected to the SMA equipment or personal injury. DANGER DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 4 SMA America, LLC Important Safety Instructions Other symbols in this document In addition to the safety and hazard symbols described on the previous pages, the following symbol is also used in this manual: Information This symbol accompanies notes that call attention to supplementary information that you must know and use to ensure optimal operation of the system.
  • Page 5 The product contains no user-serviceable parts except for the fans on the bottom of the enclosure and the filters behind the fans as well as the handle covers on the sides of the unit. For all repair and maintenance, always return the unit to an authorized SMA Service Center.

  • Page 6: Table Of Contents

    Mounting the Wall Mounting Bracket......31 5.3.3 Mounting the SMA DC Disconnect....... . 32 5.3.4 Mounting the Sunny Boy on a Wall Mounting Bracket .
  • Page 7 6.1.2 Wiring with SMA DC Disconnect ....... . . 37 Opening the Sunny Boy .
  • Page 8 Without SMA DC Disconnect ........

  • Page 9: Information On This Guide

    1.4 Additional Information Additional information on specific topics can be found in the download area at www.SMA‑America.com. 1.5 Nomenclature In this document, SMA America Production, LLC and SMA Solar Technology Canada Inc. will be referred to as SMA. Installation Guide SB50US-80US-eng-IUS112633...

  • Page 10: Safety

    Principle of a PV Plant with a Sunny Boy Item Description PV array Sunny Boy with SMA DC Disconnect Local consumers Energy meter Power distribution grid Anti-Islanding Protection A stand-alone grid is a status. It occurs when the power distribution grid is switched off and the Sunny Boy is in operation.
  • Page 11 SMA America, LLC Safety Ground Fault Detection and Interruption in the PV Array The Sunny Boy is equipped with grounding fault detection. If a ground fault current larger than 1 A is flowing, the Sunny Boy switches off and displays the disturbance. As soon as the ground fault has been located and eliminated, the ground fault disturbance must be rectified manually.

  • Page 12: Safety Instructions

    Safety SMA America, LLC 2.2 Safety Instructions DANGER Danger to life due to high voltages in the inverter. Risk of death or serious injury due to electric shock. • Only qualified personnel may perform work on the inverter. WARNING During operation, the inverter can become hot.

  • Page 13: Installation Overview

    SMA America, LLC Safety 2.3 Installation Overview This section provides a brief overview of the installation process of a Sunny Boy. Section 3: Unpacking and Inspection This section provides instructions and information on unpacking the Sunny Boy and inspecting shipping damage.

  • Page 14: Unpacking And Inspection

    • When mounting the Sunny Boy, note that it has a weight of 148 lbs. (67 kg). • Use suitable lifting techniques or get an additional person to assist. If you require help with a damaged Sunny Boy, please contact your SMA dealer or SMA. Contact information is provided in the "Contact" section, page 101.

  • Page 15: Scope Of Delivery

    SMA America, LLC Unpacking and Inspection 3.1 Scope of Delivery Item Quantity Description Sunny Boy Wall mounting bracket Replacement screw and replacement tooth lock washers for connecting the enclosure lid to the Sunny Boy. Screws and washers for fastening the Sunny Boy to the wall mounting bracket...

  • Page 16: Ac Voltage Configuration

    AC Voltage Configuration SMA America, LLC 4 AC Voltage Configuration 4.1 Opening the Sunny Boy 1. Remove the six screws and conical spring washers from the enclosure cover. Pull the cover forward smoothly. 2. Put the cover, screws and conical spring washers to one side so that they do not get in the way.

  • Page 17: Locating Internal Component Parts

    SMA America, LLC AC Voltage Configuration 4.2 Locating Internal Component Parts Item Description Sockets for optional communication Piggy-Back (RS485 or wireless) Display Status LEDs Jumpers for configuring the AC voltage and the fan test Terminal blocks for configuring the AC voltage...

  • Page 18: Ac Voltage Configuration

    AC Voltage Configuration SMA America, LLC Item Description Output AC conductor terminals (N, L1 and L2) Terminal block, PV grounding conductor + DC grounding conductor Output AC conductor terminals (L1, L2, N and PE) PV terminal GROUNDED (PV array input)
  • Page 19 (page 23). To connect a neutral conductor to the Sunny Boy, observe section 6.4.2 ”AC Connection without SMA DC Disconnect” (page 41) or section "AC Wiring with SMA DC Disconnect" on page 43. Configuration of Grid Voltage The figure on the next page illustrates common grid forms. Note that it is not the phase relationship that is important when connecting the Sunny Boy to the power distribution grid, but the voltage compatibility.
  • Page 20 AC Voltage Configuration SMA America, LLC *The Sunny Boy 8000-US must not be connected to a 208 V grid. When using corner grounded 240 V or 208 V Delta grids: • Connect terminal L2 to the grounded phase. SB50US-80US-eng-IUS112633 Installation Guide...

  • Page 21: Jumper For System Configuration

    SMA America, LLC AC Voltage Configuration 4.4 Jumper for System Configuration By setting the jumper, you configure the Sunny Boy for different grid topologies. This means that operation in system configurations without neutral conductors, such as 208 V and 240 V Delta, is possible.
  • Page 22 AC Voltage Configuration SMA America, LLC The following figures display the correct arrangement of the jumpers for the 240 V Delta system configuration: Note the order in which the inverters are connected to the phases. Configuration Examples for Jumpers with 240 V Delta, 120 V Stinger...

  • Page 23: Mounting

    SMA America, LLC Mounting 5 Mounting 5.1 Safety DANGER Danger to life due to fire or explosions. With electrical devices, there is always a certain danger that a fire may break out. • Do not install the inverter in the vicinity of combustible materials.

  • Page 24: Requirements For The Mounting Location

    Mounting SMA America, LLC 5.2 Requirements for the Mounting Location Observe the following conditions during installation: • The installation method and mounting location must be suitable for the weight and dimensions of the Sunny Boy (see section 11 ”Technical Data” (page 88)).
  • Page 25 SMA America, LLC Mounting • Adhere to the minimum clearance from the ground and walls, and other devices and objects, so as to guarantee sufficient heat dissipation. Arrangement of multiple inverters in areas with high ambient temperatures. The individual inverters must be installed far enough away from each other that they are able to draw in sufficient cooling air.

  • Page 26: Mounting With Wall Mounting Bracket

    Mounting SMA America, LLC Dimensions of the Sunny Boy 5.3 Mounting with Wall Mounting Bracket The Sunny Boy is supplied with a T-shaped wall mounting bracket that is suitable for most walls. The wall must be vertical and stable enough to carry a weight of 145 lbs. (67 kg) for a long period of time.
  • Page 27 SMA America, LLC Mounting Dimensions of the Wall Mounting Bracket Installation Guide SB50US-80US-eng-IUS112633...

  • Page 28: Possibilities For Mounting The Wall Mounting Bracket

    Mounting SMA America, LLC 5.3.1 Possibilities for Mounting the Wall Mounting Bracket Mounting on Stone Wall Secure wall mounting bracket with at least 3 screws. The position of the screws on the wall mounting bracket is as follows: • 1 screw on the upper left side.

  • Page 29: Mounting The Wall Mounting Bracket

    SMA America, LLC Mounting 5.3.2 Mounting the Wall Mounting Bracket 1. Position the wall mounting bracket at the installation location. If possible, select eye level. 2. Align the wall mounting bracket with a spirit level. The bottom end of the wall mounting bracket reaches approximately until the bottom corner of the inverter.

  • Page 30: Mounting The Sma Dc Disconnect

    5.3.3 Mounting the SMA DC Disconnect Dimensions for the DC Disconnect Attach the SMA DC Disconnect to the two lower holes of the wall mounting bracket, using the two screws and washers provided. 1. Insert screws with washers through the holes of the fastening straps of the DC Disconnect.

  • Page 31: Mounting The Sunny Boy On A Wall Mounting Bracket

    To help you identify the sides, the ventilation grids are labeled "rechts/right" and "links/left" on the inside. The ventilation grilles prevent dirt and insects from entering the inverter and can be reordered from SMA if required. See section 12 ”Accessories” (page 100). Installation Guide SB50US-80US-eng-IUS112633...

  • Page 32: Electrical Connection

    Electrical Connection SMA America, LLC 6 Electrical Connection DANGER Danger to life due to high voltages in the DC and AC cables. Risk of death or serious injury due to electric shock. • Only qualified personnel may perform work on the inverter.
  • Page 33 SMA America, LLC Electrical Connection Electrical Installations All electrical installations must be carried out according to the applicable electrical standards on site and the National Electrical Code ANSI/NFPA 70. Installations in Canada must be carried out according to the applicable Canadian standards.

  • Page 34: Connection Area Of The Sunny Boy

    ⁄ in. cable conduits. 6.1.1 Wiring without SMA DC Disconnect Procedure and Order 1. Switch off all energy sources. Open all AC and DC disconnect switches and breakers. 2. Wiring from AC breaker to the AC disconnect switch.

  • Page 35: Wiring With Sma Dc Disconnect

    1. Switch off all energy sources. Open all AC and DC disconnect switches and breakers. 2. Wiring from AC breaker to SMA DC Disconnect. 3. AC wiring from SMA DC Disconnect to Sunny Boy. 4. Wiring from PV array to SMA DC Disconnect.

  • Page 36: Opening The Sunny Boy

    Electrical Connection SMA America, LLC 6.2 Opening the Sunny Boy DANGER High voltages are present in the Sunny Boy during operation. Death or serious injury due to electric shock. • Only open the Sunny Boy in the order described as follows.

  • Page 37: Opening The Sma Dc Disconnect

    Do not fully remove the screws. • If the knob of the SMA DC Disconnect cannot be removed, loosen the screw further. 3. Remove the screws and the washer of the cover on the underside of the SMA DC Disconnect. 4. Remove the knob.

  • Page 38: Ac Connection

    Electrical Connection SMA America, LLC 6.4 AC Connection CAUTION Risk of fire Risk of cable fire due to overcurrent. • The electrical installation must include overcurrent protection for the AC output circuit. • Set up the overcurrent protection for 50 A maximum.

  • Page 39: Ac Connection Without Sma Dc Disconnect

    SMA America, LLC Electrical Connection 6.4.2 AC Connection without SMA DC Disconnect If you replace an existing inverter • In the switchbox, disconnect the cables for the AC line on which you are working. 1. Switch off the main switch in the main switchbox.
  • Page 40 Electrical Connection SMA America, LLC AC Connection Terminals for 208 V (not for Sunny Boy 8000-US) and 240 V Item Description Conductor L1 connected to terminal L1 Conductor N connected to terminal N Conductor L2 connected to terminal L2 Device grounding conductor connected to PE terminal...

  • Page 41: Ac Wiring With Sma Dc Disconnect

    ⁄ in. cable gland in the breakout opening for the AC cables of the SMA DC Disconnect. 4. Between the main switchbox and the breakout opening for the AC cables of the SMA DC Disconnect, install a ⁄ in. cable conduit.
  • Page 42 SMA America, LLC 6. Connect the AC device grounding conductor to the PE terminal labeled in the SMA DC Disconnect. 208 V and 240 V System Configuration: Do not connect the Sunny Boy 8000-US to a 208 V grid. 7. Connect conductor L1 (AC conductor 1 or UNGROUNDED) to terminal L1.
  • Page 43 16. Feed the cable through the rubber grommet into the inverter. 17. Pull the cable back slightly so as to seal the rubber grommet. 18. Connect the green-yellow cable of the SMA DC Disconnect to the terminal labeled Installation Guide SB50US-80US-eng-IUS112633...
  • Page 44 208 V and 240 V System Configuration Do not connect the Sunny Boy 8000-US to a 208 V grid. 19. Connect the white cable of the SMA DC Disconnect to the terminal labeled N. Connect the black cable of the SMA DC Disconnect to the terminal labeled 20.

  • Page 45: Dc Wiring

    • Check the polarity and the open-circuit voltage of the PV strings before connecting the DC cables to the inverter. • Configure the DC input voltage range accordingly before connecting the PV modules to the inverter.Use "Sunny Design" on www.SMA-America.com for string configuration. Installation Guide...

  • Page 46: Dc Connection Requirements

    • For all DC copper wire cable connections, use size 10 ... 6 AWG (6 ... 16 mm²), which is designed for +194 °F (+90 °C). • Use only solid wire or rough wire strands. Do not use fine-wire strands. Correct String Configuration • Use "Sunny Design" on www.SMA-America.com for string configuration. SB50US-80US-eng-IUS112633 Installation Guide...

  • Page 47: Dc Input Grounding

    The SMA DC Disconnect is supplied with 4 fuses (one fuse per string) designed for 15 A and 600 V DC. The 4 fuses of the SMA DC Disconnect may be used for a maximum of 20 A and 600 V DC.

  • Page 48: Dc Wiring Without Sma Dc Disconnect

    SMA America, LLC 6.5.3 DC Wiring without SMA DC Disconnect Use the following procedure to connect the DC cables to the Sunny Boy without SMA DC Disconnect: 1. Open the AC breaker and secure against turning on again. 2. Open the DC disconnect switch and secure against turning on again.

  • Page 49: Dc Wiring With Sma Dc Disconnect

    6.5.4 DC Wiring with SMA DC Disconnect Fully open the terminal before feeding through the cables. Observe the following procedure to connect the DC cables to the Sunny Boy with SMA DC Disconnect: 1. Open the AC breaker and secure against turning on again.
  • Page 50 8. Connect the negative DC cables to the terminal (A) labeled PV GROUNDED in the SMA DC Disconnect. 9. Tighten all cables in the terminal blocks in the SMA DC Disconnect with a torque of 15 in- (1.7 Nm). 10. Using a screwdriver, make a hole in the left sealing grommet.
  • Page 51 SMA America, LLC Electrical Connection 12. Pull the DC cables from the SMA DC Disconnect inside the Sunny Boy. 13. Pull the cable back slightly so as to seal the sealing grommet. 14. Connect the black cable (PV UNGROUNDED) to the terminal labeled DC+ in the Sunny Boy.
  • Page 52 PV GROUNDED (A) in the SMA DC Disconnect. 3. Tighten all cables in the terminal blocks in the SMA DC Disconnect with a torque of 15 in- (1.7 Nm). 4. Using a screwdriver, make a hole in the left sealing grommet.
  • Page 53 9. Connect the black cable (PV UNGROUNDED) to the terminal labeled DC − in the Sunny Boy. 10. Tighten all cables in the AC and DC terminal blocks in the SMA DC Disconnect: Gray terminal blocks (Weidmüller) 10 … 6 AWG: 18 in-lbs. (2 Nm) Green terminal blocks (Phoenix) 8 …...

  • Page 54: Dc Connection With Additional Dc Distribution

    2. Connect the negative DC cable (B) to the terminal labeled PV GROUNDED in the SMA DC Disconnect. 3. Tighten all cables in the terminal blocks in the SMA DC Disconnect with a torque of 15 in- (1.7 Nm). SB50US-80US-eng-IUS112633...

  • Page 55: Communication

    2. Connect the positive DC cable to the terminal (B) labeled PV GROUNDED in the SMA DC Disconnect. 3. Tighten all cables in the terminal blocks in the SMA DC Disconnect with a torque of 15 in- (1.7 Nm). 6.6 Communication The Sunny Boy can be retrofitted with a communication interface (for slot, see section 4.2 ”Locating...

  • Page 56: Closing The Sunny Boy

    Electrical Connection SMA America, LLC 6.7 Closing the Sunny Boy Observe the following procedures for mounting the enclosure lid onto the Sunny Boy: DANGER Electric shock from touching the non-grounded enclosure lid. Risk of death or serious injury. • For the grounding of the enclosure lid, the toothing of the tooth lock washers must point toward the enclosure lid.

  • Page 57: Closing The Sma Dc Disconnect

    Sunny Boy. To fasten the enclosure lid, use all 6 screws with conical spring washers. 6.8 Closing the SMA DC Disconnect All string fuses must be securely mounted. 1. Mount the cover onto the SMA DC Disconnect and insert the rotary handle. 2. Turn the rotary handle to position "0". Tighten the screw on the right side of the rotary handle.
  • Page 58 Electrical Connection SMA America, LLC 3. Insert the screw and conical spring washer of the SMA DC Disconnect into the underside. Tighten the screw with a torque of 44 in-lbs. (5 Nm). The toothing of the conical spring washer must point toward the cover for the SMA DC Disconnect to be grounded.

  • Page 59: Commissioning

    2. Switch on the AC main conductor breaker. 3. Turn the SMA DC Disconnect to position "1" or switch on the external DC disconnect switch. ☑ If there is sufficient sunlight: The Sunny Boy goes into "Wait" mode and the green LED flashes.

  • Page 60: Displays And Messages

    Displays and Messages SMA America, LLC The Sunny Boy automatically begins feeding power into the power distribution grid if there is sufficient solar irradiation and the resulting PV input voltage is larger than 300 V DC (for the Sunny Boy 8000- US 365 V DC).
  • Page 61 SMA America, LLC Displays and Messages The red LED indicates the status of the GFDI fuse, located inside the Sunny Boy. If this LED lights up, the GFDI fuse has cleared or is not present. The inverter does not feed into the power distribution grid.

  • Page 62: Led Operation Indicators

    Displays and Messages SMA America, LLC 8.1 LED Operation Indicators Standby (night) The inverter is in standby mode. The input voltage is too low for operation. Initialization The inverter initializes. The power from the PV array is sufficient to initialize the control current.
  • Page 63 SMA America, LLC Displays and Messages Waiting The inverter checks the grid requirements and whether enough voltage from the generator is available to feed into the power distribution grid. If the feed-in to the power distribution grid was interrupted and then resumed, the inverter always waits 5 minutes before feeding in.

  • Page 64: Led Fault Indicators

    Displays and Messages SMA America, LLC Derating The Sunny Boy can be operated with rated output power at an ambient temperature of up to +113 °F (+45 °C). The Sunny Boy does remain operational at temperatures above +113 °F (+45 °C), but it reduces the level of performance so as to protect the internal component parts from overheating.
  • Page 65 The yellow LED is continuously lit up. The Sunny Boy has detected a fault within the internal monitoring system. If the inverter detects this kind of fault, it will no longer feed into the power distribution grid. The inverter must be maintained by a qualified service technician. Contact SMA. Installation Guide SB50US-80US-eng-IUS112633...
  • Page 66 Displays and Messages SMA America, LLC Grid Failure The yellow LED lights up for 5 seconds, goes out for 3 seconds, then flashes 2 times. This sequence is repeated 3 times. As long as a grid failure continues to be present, this flashing code will repeat itself.
  • Page 67 3 times. If the status does not change, the flashing code repeats itself. The inverter has detected an internal fault that interrupts standard operation. The inverter must be maintained by a qualified service technician. Contact SMA. Installation Guide SB50US-80US-eng-IUS112633...

  • Page 68: Status Messages On The Lcd Display

    Displays and Messages SMA America, LLC 8.3 Status Messages on the LCD Display The Sunny Boy is equipped with the LCD "Sunny Display" in the enclosure lid as standard. Activation of the Background Illumination Tapping on the enclosure lid activates the background illumination. Additional taps will scroll through the display messages.
  • Page 69 SMA America, LLC Displays and Messages Message 4: energy output accrued since the installation of the inverter and the total operating hours. Knocking on the lid of the inverter takes you to the next display message. Error Messages If a fault occurs, the LCD switches into "Fault" mode and the background illumination is activated.

  • Page 70: Lcd Display Language Selection

    Displays and Messages SMA America, LLC 8.3.1 LCD Display Language Selection The LCD can display information in one of 4 different languages. The language is configured via two slide switches that are located on the lower edge of the display board.

  • Page 71: Measuring Channels

    SMA America, LLC Displays and Messages 8.4.1 Measuring Channels Vpv: PV input voltage Vpv Setpoint: MPPT DC target voltage Iac: Grid current Vac: Grid voltage L1 - L2 Vac L1: Grid voltage L1 - N Vac L2: Grid voltage L2 - N...

  • Page 72: Operating Mode

    Displays and Messages SMA America, LLC 8.4.2 Operating Mode Stop: Manual system stop Offset: Offset calibration of the electronics (at start-up) Waiting: PV voltage is not high enough to start Grid monitoring: Synchronizing to grid (at start-up) MPP-Search: MPPT range test (at start-up)
  • Page 73 SMA America, LLC Displays and Messages Name Unit Range Standard Password Description Level dFac-MAX* Hz/s 0.005 ... 4 0.5 (for Installer Maximum "number of frequency country setting changes" before the anti-islanding USA/ protection switches on UL1741/ 2005) E_total 0 ... 200000 Installer Total energy yield of the inverter.
  • Page 74 Displays and Messages SMA America, LLC Name Unit Range Standard Password Description Level V-Const Setval SB 5000-US - SB Installer PV target voltage for constant 7000-US: 250 ... voltage operation. These parameters only are important in the event that the parameter "Operating SB 8000-US: 300 Mode"...

  • Page 75: Fixed Operating Parameters Of The Sunny Boy

    • Monitor the DC and AC voltage at the terminals in the inverter. Please observe all safety precautions listed in the course of this manual. • If the fault cannot be rectified, contact SMA Serviceline. For contact data, see section 13 ”Contact” (page 101).
  • Page 76 Sunny Boy disconnects itself from the power distribution grid. If the power frequency is within the tolerable range and the error message "Fac-Bfr" or "Fac- Srr" continues to be displayed, contact SMA. Warning GFDI Fuse Open The GFDI fuse is cleared. Before replacing the fuse, check the PV array for a ground fault error.
  • Page 77 Sunny Boy disconnects itself from the power distribution grid. If the error message "Vac-Bfr" or "Vac-Srr" is displayed despite the grid voltage being within the tolerable range, contact SMA. Disturbance VacL1-Bfr, VacL2-Bfr, Voltage is too high or too low on the indicated VacL1-Srr, VacL2-Srr branch.

  • Page 78: Maintenance

    Maintenance SMA America, LLC 10 Maintenance Regular maintenance ensures a long operating life and optimal efficiency of the entire PV plant. 10.1 Cleaning the Fans The Sunny Boy is fitted with two fans on its underside. The fan intakes and handle covers should be cleaned periodically with a vacuum cleaner. For more thorough cleaning, completely remove the fans.
  • Page 79 SMA America, LLC Maintenance Cleaning the Fans 5. Press the front latches backward and the rear latch forward. 6. Remove the fan by pulling it slowly and carefully downward. 7. Unlock and remove the plug. The cables of the fans are long enough to disconnect the plug in the inside of the Sunny Boy.

  • Page 80: Cleaning The Handle Covers

    Maintenance SMA America, LLC 10.2 Cleaning the Handle Covers For optimal heat dissipation of the device, the handle covers must be clean. Clean the handle covers regularly. NOTICE Insects entering the Sunny Boy can damage the device. • The handle covers must not be removed permanently, because otherwise the device is not protected against the entrance of insects! 1.

  • Page 81: Checking The Fans

    Sunny Boy. Setting the Parameter 1. Ask for the installer password from SMA Serviceline. See "Contact" on page 101. 2. Set the "Fan Test" parameter to "1" in the installer mode. 3. Check the air flow of the fans.
  • Page 82 Maintenance SMA America, LLC Setting the Jumper The Sunny Boy only detects the jumper after it is restarted. All LEDs must go out prior to a restart. 1. Disconnect the Sunny Boy on the AC and DC sides. Wait 5 minutes until the residual voltage has been drained.

  • Page 83: Exchanging The Fuses

    SMA America, LLC Maintenance 10.5 Exchanging the Fuses CAUTION Danger of fire due to incorrectly designed fuse. Risk of injury due to fire. • Only replace faulty fuses with fuses of the same type and size. 10.5.1 Exchanging the GFDI Fuse within the Sunny Boy 1.

  • Page 84: Exchanging Pv String Fuses Within The Sma Dc Disconnect

    1. Disconnect the Sunny Boy on the AC and DC sides. 2. Wait 5 minutes until the residual voltage has been drained. 3. Open the SMA DC Disconnect as described in section 6.3 ”Opening the SMA DC Disconnect” (page 39).
  • Page 85 • Do not remove any fuses when the inverter is under load. PV String Fuses The SMA DC Disconnect is shipped with 15 A, 600 V DC fuses in the fuse holders. The maximum nominal size for string fuses in the SMA DC Disconnect is 20 A at 600 V DC.

  • Page 86: Technical Data

    • Connect the device to an outlet on a circuit different from that to which the receiver is connected. • 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 device.

  • Page 87: Sunny Boy Circuit Diagrams

    SMA America, LLC Technical Data 11.2 Sunny Boy Circuit Diagrams 11.2.1 Without SMA DC Disconnect Sunny Boy Connections for 208 V and 240 V AC Grids Sunny Boy Connections for 277 V AC Grids Installation Guide SB50US-80US-eng-IUS112633...

  • Page 88: With Sma Dc Disconnect

    Technical Data SMA America, LLC 11.2.2 With SMA DC Disconnect Sunny Boy Connections for 208 V and 240 V AC Grids Sunny Boy Connections for 277 V AC Grids SB50US-80US-eng-IUS112633 Installation Guide...

  • Page 89: Specifications

    SMA America, LLC Technical Data 11.3 Specifications 11.4 Sunny Boy 5000-US (SB 5000US and SB 5000US-11) PV Array Connection Maximum MPP voltage 250 V … 480 V Range of input operating voltage 250 V … 600 V Maximum generator input power...
  • Page 90 Technical Data SMA America, LLC Efficiency Range of output power factor 0.95 … 1.0 Output power factor, nominal value 0.99 Peak inverter efficiency 96.8 % CEC weighted efficiency 95.5 % Ambient Conditions Ambient temperature range SB 5000US − 13 °F … +113 °F ( −...

  • Page 91: Sunny Boy 6000-Us (Sb 6000Us And Sb 6000Us-11)

    SMA America, LLC Technical Data 11.5 Sunny Boy 6000-US (SB 6000US and SB 6000US-11) PV Array Connection Maximum MPP voltage 250 V … 480 V Range of input operating voltage 250 V … 600 V Maximum generator input power 7,500 W...
  • Page 92 Technical Data SMA America, LLC Efficiency Range of output power factor 0.95 … 1.0 Output power factor, nominal value 0.99 Peak inverter efficiency 97.0 % CEC weighted efficiency at 208 V AC 95.5 % CEC weighted efficiency at 240 V AC 95.5 %...

  • Page 93: Sunny Boy Sb 7000-Us (Sb 7000Us And Sb 7000Us-11)

    SMA America, LLC Technical Data 11.6 Sunny Boy SB 7000-US (SB 7000US and SB 7000US-11) PV Array Connection Maximum MPP voltage 250 V … 480 V Range of input operating voltage 250 V … 600 V Maximum generator input power...
  • Page 94 Technical Data SMA America, LLC Efficiency Range of output power factor 0.95 … 1.0 Output power factor, nominal value 0.99 Peak inverter efficiency 97.1 % CEC weighted efficiency at 208 V AC 95.5 % CEC weighted efficiency at 240 V AC 96.0 %...

  • Page 95: Sunny Boy Sb 8000-Us (Sb 8000Us And Sb 8000Us-11)

    SMA America, LLC Technical Data 11.7 Sunny Boy SB 8000-US (SB 8000US and SB 8000US-11) PV Array Connection Maximum MPP voltage 300 V … 480 V Range of input operating voltage 300 V … 600 V Maximum generator input power...

  • Page 96: Sma Dc Disconnect

    Inverter technology True sine, low-frequency transformer Cooling concept OptiCool Specifications subject to change without notice. Values at nominal conditions. 11.7.1 SMA DC Disconnect Maximum DC input current 36 A DC Maximum system voltage 600 V DC Maximum string fuse rating...

  • Page 97: Trip Limits/Trip Times

    SMA America, LLC Technical Data 11.8 Trip Limits/Trip Times Nominal Trip Limit Trip Frequencies Trip Times Frequency 60 Hz > 60.5 Hz 60.45 Hz … 60.55 Hz max. 0.1602 s < 57.0 Hz … 59.8 Hz 56.95 Hz … 59.85 Hz adjustable, 0.16 s …...

  • Page 98: Torque Values And Cable Sizes

    53 in-lbs. (6 Nm) 12 Accessories You will find the corresponding accessories and replacement parts for your product in the following overview. If needed, you can order these from SMA or your SMA dealer. Name Brief Description SMA Order Number...

  • Page 99: Contact

    SMA America, LLC Contact 13 Contact If you experience technical problems with our products, please contact SMA Serviceline. We require the following information in order to provide you with the necessary assistance: • Inverter type • Type and number of modules connected •...

This manual is also suitable for:

Sunny 6000-usSunny 7000-usSunny 8000-us

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