SMA SUNNY MINI CENTRAL 6000TL Installation Manual
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SMA SUNNY MINI CENTRAL 6000TL Installation Manual

SMA SUNNY MINI CENTRAL 6000TL Installation Manual

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Download this manual See also: Operating Manual, Installation Manual
PV Inverter
SUNNY MINI CENTRAL 6000TL / 7000TL / 8000TL
Installation Guide
SMC6-8TL-IEN093231 | IME-SMCTL_60_70_80 | Version 3.1
EN

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Summary of Contents for SMA SUNNY MINI CENTRAL 6000TL

  • Page 1 PV Inverter SUNNY MINI CENTRAL 6000TL / 7000TL / 8000TL Installation Guide SMC6-8TL-IEN093231 | IME-SMCTL_60_70_80 | Version 3.1...

  • Page 3: Table Of Contents

    SMA Solar Technology AG Table of Contents Table of Contents Notes on this Manual......7 Validity .
  • Page 4 Table of Contents SMA Solar Technology AG Connection of the SMA Power Balancer ....29 5.4.1 Configuration ..........30 5.4.2...
  • Page 5 SMA Solar Technology AG Table of Contents Technical Data ........59 Contact .
  • Page 6 Table of Contents SMA Solar Technology AG SMC6-8TL-IEN093231 Installation Guide...

  • Page 7: Notes On This Manual

    Notes on this Manual 1 Notes on this Manual 1.1 Validity This installation guide describes the installation and commissioning of SMA inverters of the type Sunny Mini Central 6000TL, 7000TL, and 8000TL. 1.2 Target Group Only qualified electricians may install and commission Sunny Mini Central units.

  • Page 8: Symbols Used

    Notes on this Manual SMA Solar Technology AG 1.5 Symbols Used The following types of safety instructions and general information appear in this document: DANGER! DANGER indicates a hazardous situationwhich, if not avoided, will result in death or serious injury. WARNING! CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

  • Page 9: Security

    When planning the PV system, ensure that the values comply with the permitted operating range of all components at all times. The free design program "Sunny Design" (www.SMA.de/en/SunnyDesign) will assist you in this. The manufacturer of the PV modules must have approved the modules for use with this Sunny Mini Central unit.

  • Page 10: Safety Instructions

    PV generator ground connection Comply with the local requirements for grounding the modules and the PV generator. SMA Solar Technology recommends connecting the generator frame and other electricity conducting surfaces such that there is continuous conduction and to connect them to the ground in order to reach maximum protection for property and persons.

  • Page 11: Unpacking

    Cylinder head screws (M6 x 16): 1 x for cover (replacement), 1 x for ground connection cable terminal Jumper for fan test Cylinder head screws (M6 x 8) for securing the Sunny Mini Central on the wall mounting bracket Silicone tube for insulation of the SMA Power Balancer connection cable Installation Guide SMC6-8TL-IEN093231...

  • Page 12: Checking For Transport Damage

    Unpacking SMA Solar Technology AG 3.2 Checking for Transport Damage Check the Sunny Mini Central for visible external damage, such as cracks in the housing or display. Please contact your dealer if you find any damage. 3.3 Identifying the Sunny Mini Central...

  • Page 13: Mounting

    SMA Solar Technology AG Mounting 4 Mounting 4.1 Selection of the Mounting Location DANGER! Lethal danger caused by fire or explosion! Despite careful construction, a fire can occur with electrical devices. • Do not mount the Sunny Mini Central on flammable construction materials.

  • Page 14: Ambient Conditions

    Mounting SMA Solar Technology AG 4.1.2 Ambient Conditions • The mounting location and mounting method must be suitable for the weight and dimensions of the Sunny Mini Central. • Mounting on a solid surface. • The mounting location must be accessible at all times.

  • Page 15: Position

    SMA Solar Technology AG Mounting 4.1.4 Position • Vertical installation or tilted backwards by max. 45°. • Never install the device with a forward tilt. • Do not install horizontally. • Install at eye level to allow operating modes to be read at all times.

  • Page 16: Mounting Instructions

    Mounting SMA Solar Technology AG 4.2 Mounting Instructions 1. Position the drill holes with the aid of the wall mounting bracket and drill the holes. In doing so, use two to four of the six holes in the middle. SMC6-8TL-IEN093231 Installation Guide...
  • Page 17 SMA Solar Technology AG Mounting CAUTION! Risk of injury due to the heavy weight of the Sunny Mini Central! The Sunny Mini Central weighs 33 kg • Mount the wall mounting bracket with the appropriate mounting material (depending on subsurface).
  • Page 18 The handle covers prevent the penetration of dirt and insects and can be reordered upon request from SMA Solar Technology (SMA order number: 45-7202, see Page 62 for contact). Optional anti-theft protection To protect the Sunny Mini Central against theft, the rear face can be secured to the wall at the bottom using 2 single-use bolts.

  • Page 19: Electrical Connection

    B Socket for the connection of the Electronic Solar Switch (ESS) DC load disconnection unit C Cable openings for optional communication via RS485 or radio (PG16) D Cable opening for grid connection (AC) (12 mm - 25 mm) Cable openings for SMA Power Balancer Installation Guide SMC6-8TL-IEN093231...

  • Page 20: View From Inside

    Electrical Connection SMA Solar Technology AG 5.1.2 View from Inside The following diagram gives a schematic overview of the various components and connection points inside the Sunny Mini Central with the cover removed. SMC6-8TL-IEN093231 Installation Guide...
  • Page 21 Jumper for SMA Power Balancer (Page 29) Connection terminals for SMA Power Balancer (Page 29) G Tab for grounding the cable shield of the SMA Power Balancer connection cable (Page 29) H Connection terminals for mains cable (AC) (Page 22)

  • Page 22: Connection To The Public Grid (Ac)

    The cable cross section should be sized using the "Sunny Design" design program (www.SMA.de/en) so that output losses do not exceed 1 % at nominal power. The maximum line length for each cable cross section is shown in the following table.

  • Page 23: Cable Requirements

    SMA Solar Technology AG Electrical Connection Load Disconnection Unit The maximal permissible rating is located in the technical data (Page 59). WARNING! Risk of lethal burns! When a generator (Sunny Mini Central) and a consumer are connected to the same line circuit breaker, the protective function of the line circuit breaker is no longer guaranteed.
  • Page 24 Electrical Connection SMA Solar Technology AG 5. Insert the AC screw clamp into the cable opening from the outside and tighten it along with the nut from the inside. 6. Pull cable through. 7. Connect L, N and the protective earth (PE) to the terminal blocks in accordance with the labels.

  • Page 25: Additional Grounding Of The Housing

    SMA Solar Technology AG Electrical Connection Additional Grounding of the Housing If a second protective earth connection is required in the installation country (e.g. Switzerland), you can also ground the Sunny Mini Central with an additional protective earth on the connection terminal of the housing.

  • Page 26: Pv Generator (Dc) Connection

    • The connecting wires of the solar modules must be equipped with plug connectors to allow the eight DC plug connectors of the Sunny Mini Central to be connected to it. A pre-assembled set for connecting the free cable ends from a string is available as an accessory from SMA Solar Technology: Connection set Order code Max.

  • Page 27: Connection Procedure

    SMA Solar Technology AG Electrical Connection Connection Procedure DANGER! Danger to life due to high voltages in the Sunny Mini Central! • Before connecting the PV generator, ensure that the line circuit breaker is switched off. 1. Remove the Electronic Solar Switch by pulling it downwards and slightly towards the wall.
  • Page 28 Electrical Connection SMA Solar Technology AG 4. Connect the DC plug connectors. 5. Close unused input sockets with the sealing caps included in the packing list. 6. Check the Electronic Solar Switch for wear as described in section 8.2  and insert it until it audibly clicks into place.

  • Page 29: Connection Of The Sma Power Balancer

    Electrical Connection 5.4 Connection of the SMA Power Balancer The Sunny Mini Central is equipped with the SMA Power Balancer as standard. This enables a circuit connection of three Sunny Mini Centrals to a three-phase low-voltage grid. Each of the three Sunny Mini Centrals in a group must be connected to a different grid phase...

  • Page 30: Configuration

    You will find options available for this in the Sunny Mini Central user manual or on the SMA website www.SMA.de/en. Request a personal SMA grid guard password from SMA Solar Technology so that you can modify the "PowerBalancer" parameter (contact: see Page 62).
  • Page 31 SMA Solar Technology AG Electrical Connection • PhaseGuard If one of the three Sunny Mini Centrals indicates a grid voltage fault and stops feeding in, the other two inverters also disconnect from the grid automatically. If one of the three Sunny Mini Centrals indicates a device fault and stops feeding in, the other two inverters are not affected and continue to feed in at full power.
  • Page 32 Electrical Connection SMA Solar Technology AG • PowerGuard If one of the three Sunny Mini Centrals indicates a grid voltage fault or device fault and stops feeding in, the other two inverters automatically limit their power to 5 kW over a 10 minute average.
  • Page 33 SMA Solar Technology AG Electrical Connection • FaultGuard If one of the three Sunny Mini Centrals indicates a grid voltage fault and stops feeding in, the other two inverters also disconnect from the grid immediately. If one of the three Sunny Mini Centrals indicates a device fault and stops feeding in, the other two inverters also disconnect from the grid 5 minutes later.

  • Page 34: Cabling

    Electrical Connection SMA Solar Technology AG 5.4.2 Cabling For cabling up the SMA Power Balancer, use Twisted pair 1 a "LiYCY" cable, structured as shown here: (2 x 0.25 mm²) Flexible insulation • Indoors: LiYCY 2 x 2 x 0.25 • Outdoors: Li-2YCYv 2 x 2 x 0.25 Twisted pair 2 (2 x 0.25 mm²)
  • Page 35 SMA Solar Technology AG Electrical Connection DANGER! Danger to life due to high voltages in a fault of the cable of the SMA Power Balancer! • Pull the silicone tube included in every Sunny Mini Central over the plus and minus line of the cable.
  • Page 36 Connection with a Sunny Mini Central 9000TL, 10000TL, or 11000TL In order to be able to connect the SMA Power Balancer with a Sunny Mini Central 9000TL, 10000TL, or 11000TL, the Sunny Mini Central 6000TL, 7000TL, or 8000TL must be equipped with a special connection plug (order number PBL-SMC-10-NR).

  • Page 37: Functionality Test

    SMA Solar Technology AG Electrical Connection 5.4.3 Functionality Test To test whether the SMA Power Balancer operates correctly, proceed as follows: 1. Select the "PhaseGuard" setting of the "PowerBalancer" parameter for all three Sunny Mini Centrals. 2. Check whether all Sunny Mini Centrals in the group are feeding the grid normally (green LED glows continually or display message shown to the right).

  • Page 38: Slot For Communication Interfaces

    Electrical Connection SMA Solar Technology AG 5.5 Slot for Communication Interfaces The communication interface is used for communication with special data acquisition devices or a PC with corresponding software. See the communication interface documentation for a detailed wiring diagram. This section describes how to install the communication interface in the Sunny Mini Central.
  • Page 39 SMA Solar Technology AG Electrical Connection 6. Connect the jumpers (C) if the connection plan of the communication device indicates this as necessary. A detailed description of the jumper functions can be found in the communication device manual. 7. Plug the communication interface to the left of the interface port (A).

  • Page 40: Commissioning

    Commissioning SMA Solar Technology AG 6 Commissioning Check the following requirements before commissioning: • Correct connection of the AC (grid) cable • Full connection of the DC cables (PV strings) • Unused DC plug connectors on the underside of the housing are sealed with protective caps •...

  • Page 41: Display

    SMA Solar Technology AG Commissioning 6.1 Display Grid Feeding After fault-free grid connection of the Sunny Mini Central, it takes approximately one minute until the following display messages are shown alternately. The display messages shown before that only have the purpose of indicating the initialization of the Sunny Mini Central and the process of controlling whether the power supply requirements are fulfilled.

  • Page 42: Setting The Display Language

    • Lower than 700 V: Connect the Sunny Mini Central to the PV generator again as described in section 5.3 „PV Generator (DC) Connection“ (26). If the message reappears, disconnect the Sunny Mini Central again and contact SMA (see section 12 „Contact“ (62)).

  • Page 43: Led Display

    SMA Solar Technology AG Commissioning 6.2 LED Display Overview Green Yellow Status is not glowing is not glowing (grid feeding) glows continuously is not glowing disturbance glows continuously glows continuously (initialization) flashes quickly is not glowing is not glowing OK (stop)
  • Page 44 Commissioning SMA Solar Technology AG Failure or Fault If the Sunny Mini Central detects a failure or fault, this is indicated through a blink code of the yellow and, where applicable, the red LEDs. For example, if the yellow LED glows for 5 seconds immediately after connection, then goes out for 3 seconds and then flashes briefly twice, there is a grid fault.
  • Page 45 • Lower than 700 V: Reconnect the Sunny Mini Central to the PV generator as described in section 5.3 „PV Generator (DC) Connection“ (26). If the message occurs again, disconnect the Sunny Mini Central again and contact SMA (see section 12 „Contact“ (62)). Installation Guide...

  • Page 46: Opening And Closing

    Opening and Closing SMA Solar Technology AG 7 Opening and Closing NOTICE! Electrostatic discharges can damage the Sunny Mini Central! Internal components of the Sunny Mini Central can be irreparably damaged by electrostatic discharge. • Ground yourself before you touch a component.
  • Page 47 SMA Solar Technology AG Opening and Closing DANGER! Danger to life due to high voltages in the Sunny Mini Central! The capacitors in the Sunny Mini Central require 5 minutes to discharge. • Wait 5 minutes before opening the Sunny Mini Central.

  • Page 48: Closing The Sunny Mini Central

    Opening and Closing SMA Solar Technology AG 7.2 Closing the Sunny Mini Central 1. Secure the cover with six screws and the corresponding washers. Tighten the screws in the sequence shown on the right to a torque of 6 Nm. The toothing of the washers must face toward the cover.
  • Page 49 SMA Solar Technology AG Opening and Closing NOTICE! Damage to the Electronic Solar Switch! If inserted incorrectly, the Electronic Solar Switch can be damaged by high voltages. • Press the handle firmly into place on the socket of the Electronic Solar Switch until it audibly engages.

  • Page 50: Maintenance

    Maintenance SMA Solar Technology AG 8 Maintenance 8.1 Checking Heat Dissipation 8.1.1 Cleaning the Fans If the fan guards are only dirtiedwith loose dust, they can be cleaned with a vacuum cleaner. If you do not achieve satisfactory results with a vacuum cleaner, dismantle the fan for cleaning.

  • Page 51: Checking The Fans

    • place the jumper on the system control board (the jumper required to check the fans is included in the Sunny Mini Central accessories kit). Setting the Parameter 1. Request the installer password on the SMA Serviceline (contact: see Page 62). 2. Set the "Fan Test" parameter to "1" in the installer mode. 3. Check the fansair-flow.' The Sunny Mini Central sucks air in from underneath and then blows it back out on the upper sides.

  • Page 52: Cleaning The Handle Covers

    Maintenance SMA Solar Technology AG 4. Check the fansair-flow.' The Sunny Mini Central sucks air in from underneath and then blows it back out on the upper sides. Listen for any unusual noise, which could indicate incorrect installation or that the fans are faulty.

  • Page 53: Inspection Of The Electronic Solar Switch (Ess)

    SMA Solar Technology AG Maintenance 8.2 Inspection of the Electronic Solar Switch (ESS) Check the Electronic Solar Switch for wear before you attach it. To do this, check the metal tongues on the inside of the plug for brown discoloration. Metal tongues If the metal tongues are brown or completely burned out (see figure below), then the Electronic Solar Switch can no longer reliably disconnect the DC side.

  • Page 54: Troubleshooting

    Please do not attempt any other repairs than those described here, but instead use the 24-hour replacement service (the Sunny Mini Central is made ready for shipping within 24 hours and then given to a shipping company) and the SMA Solar Technology AG repair service. 9.1 The Red LED is Continuously On Either a ground fault exists in the PV generator or at least one of the varistors for the overvoltage protection is defective.
  • Page 55 SMA Solar Technology AG Troubleshooting The approximate position of the ground fault can be determined from the ratio of the measured voltages between plus against ground potential and minus against ground potential. Example: The ground fault is between the second and third module in this case.

  • Page 56: Check The Function Of The Varistors

    There is probably another fault in the Sunny Mini Central. • Close the Sunny Mini Central as described in section 7.2 „Closing the Sunny Mini Central“ (48). • Discuss further steps with the SMA Technical Serviceline. There is no conducting connection: The respective varistor is not working and must be replaced.
  • Page 57 SMA Solar Technology AG Troubleshooting NOTICE! The Sunny Mini Central could be irreparably damaged by overvoltage! If varistors are missing, the Sunny Mini Central is no longer protected against overvoltages. • Do not operate Sunny Mini Centrals without varistors in systems with a high risk of overvoltages.

  • Page 58: Decommissioning

    Dispose of the Sunny Mini Central at the end of its service life in accordance with the disposal regulations for electronic scrap which apply at the installation site at that time. Alternatively, send it back to SMA with shipping paid by sender, and labeled "ZUR ENTSORGUNG" ("for disposal") (contact: see Page 62).
  • Page 59 SMA Solar Technology AG Technical Data 11 Technical Data SMC 6000TL SMC 7000TL SMC 8000TL PV generator connection data Max. input voltage 700 V PV 0 (based on -10 °C cell temperature) Input voltage, MPP range 333 V ... 500 V DC Max.
  • Page 60 Technical Data SMA Solar Technology AG SMC 6000TL SMC 7000TL SMC 8000TL General data EC Declaration of Conformity enclosed set of documents, download area www.SMA.de/en Dimensions (W x H x D) approx. 468 mm x 613 mm x 242 mm Weight approx.

  • Page 61: Efficiency Curve

    SMA Solar Technology AG Technical Data SMC 6000TL SMC 7000TL SMC 8000TL Protective function AC side Short-circuit proofing current control All-pole disconnection unit on grid side automatic disconnection device (SMA grid guard 2.1) Efficiency η Max. efficiency 98 % CEC rebate efficiency η...
  • Page 62 Contact SMA Solar Technology AG 12 Contact If you have technical problems concerning our products, contact the SMA Technical Serviceline. We require the following information in order to provide you with the necessary assistance: • Inverter type • Series number of the Sunny Mini Central •...

  • Page 63: Exclusion Of Liability

    The use of supplied software produced by SMA Solar Technology AG is subject to the following conditions: • SMA Solar Technology AG rejects any liability for direct or indirect damages arising from the use of software developed by SMA Solar Technology AG. This also applies to the provision or non-provision of support activities.
  • Page 64 SMA Solar Technology AG www.SMA.de...

This manual is also suitable for:

Sunny mini central 7000tlSunny mini central 8000tl

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