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SMA Sunny Island SI3300 Installation & Operating Instructions Manual

Bidirectional battery inverter for stand-alone applications
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Sunny Island
Installation & Operating Instructions
Version 2.1
Bidirectional Battery Inverter SI3300
for Stand-alone Applications
BWRI33-12:EE1203

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Summary of Contents for SMA Sunny Island SI3300

  • Page 1 Sunny Island Installation & Operating Instructions Version 2.1 Bidirectional Battery Inverter SI3300 for Stand-alone Applications BWRI33-12:EE1203...
  • Page 2 Changes due to Firmware Version 1.50 Sabban A: Changes due to faulty documents or improvement of the documentation B: Changes maintaining full or upward compatibility C: Changes limiting or excluding compatibility Name Date Signature Approved Wollny - 2 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 3 This indicates a fact or feature which is very important for the safety of the user and / or which can cause a serious defect if not applied appropri- ately. Example: ”Disconnect the mains plug before opening the case!“ This indicates an example. - 3 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 4: Table Of Contents

    3.4.6 Connection of a Generator..............31 3.4.7 Connection to an External Utility............34 3.4.8 Connection to Generator and Utility.............37 3.4.9 Connection of a Battery Room Fan and Electrolyte Pump....39 3.4.10 Connection of a Dump Load.............40 - 4 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 5 First Configuration (“New System“) ............62 Configuration after Battery Exchange (“New Battery“) ......66 Configuration after Restart (“Restart”) ............68 Operation (OPERAT) ..................69 Menu “START” (2-1), Operation of the Sunny Island .......70 Menu “GENSET” (2-2), Operation of Generator ........71 - 5 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 6 Menu “ACKN“ (4-1), Error Confirmation ..........108 10.2 Menu “HISTOR“ (4-2), Overall Protocol..........108 10.3 Menu “ERRHIS“ (4-3), Error Protocol .............109 10.4 Menu “EVTHIS“ (4-4), State Protocol .............109 Battery Management..................110 11.1 Charging Methods ..................111 11.2 Battery States..................112 - 6 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 7 Error and Status Signals .................158 17.1 Error Signals...................158 17.2 Status Signals (“Events“)................160 Technical Data ....................163 Servicing and Maintenance................166 Warranty and Liability Regulations ..............169 Declaration of Conformity ................171 Contact ......................172 List of Figures ....................173 List of Tables....................178 - 7 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 8 The device can still be charged with very high hazardous voltages even when disconnected. Please closely follow all steps as described in this document when working on the inverter. - 8 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 9: Introduction

    PV-plant. For detailed information on system realization, functions and the integrated battery and load management please refer to the Product Description. - 9 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 10: About These Instructions

    SMA or your local supplier can help you in this matter. In any case a declaration of transport damage must be made within six days upon receipt of the product and must be stated in writing directly to the forwarding agent.

  • Page 11: General Safety Instructions

    Under certain circumstances the Sunny Island may start up autono- mously! Keep this in mind when working on the island grid and al- ways switch off the AC fuses of all Sunny Islands in the island grid! - 11 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 12: System Description

    Sunny Island . Intelligent system management and control not only allow to ® supply different consumers, but also to connect the SMA Sunny Boy String Inverters for supplementary grid feeding. The connection of small wind energy converters or diesel generator sets will also be possible.

  • Page 13: Functional Design Of The Sunny Island

    Relay K3 Relay K4 System Service COM 3 Relay K5 Management Relay K6 Communi- COM 2 Relay K7 cation Three-Phase Display Relay K8 COM 1 Operation Fig. 2.1: Components of the battery inverter - 13 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 14 In current- controlled operation there can be synchronization to an external power supply unit (grid, diesel generator). In that operating mode the battery is e. g. charged to a de- fined degree. - 14 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 15: Installation

    1 Plug for battery temperature sensor 1 Plug “Diesel I U“ The following components can be delivered as an option: • Pt100 contact sensor to determine the battery temperature (SMA order name “SI-BTS“). It is indispensable to connect a temperature sensor. - 15 - BWRI33-12:EE...

  • Page 16: Placement Of The Sunny Island

    Sunny Island Installation & Operating Instructions • Battery fuse box for the protection of the DC cables (SMA order names “SI- BATCASE.01” (for connection of a single Sunny Island) and/or “SI- BATCASE.03” (for connection of up to three Sunny Islands).
  • Page 17 - provide ex- ternal ventilation. • The heat sink can reach a temperature of more than 80 • Provide a correct position of the battery inverter (see Fig. 3.1 and Fig. 3.2). - 17 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 18 To prevent lifting up the Sunny Island is fastened on the wall with two screws (4.5 mm) and the corresponding dowels (M6) (see below). - 18 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 19 Sunny Island Installation & Operating Instructions Fig. 3.1: Mounting slide with fastening points - 19 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 20: Electric Connection

    The storage battery and the grid (connection to subdistribution) are connected to the lower part of the Sunny Island. At the bottom of the enclosure there are seven heavy- gauge conduit-threaded joints (four PG 13.5 and three PG16). - 20 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 21: Preparing The Connection

    Always mount this “lower protective cover“ again before connecting any power supply units. You now have the open part of the inverter in front of you and can familiarize yourself with the position of relevant components and clamps. - 21 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 22: Cable Connections

    • Terminals for battery room fan via relay K7 • Terminals for battery acid circulation via relay K8 If the relays K1, K2, K7 and K8 are not used for their special tasks, they can also be freely configured. - 22 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 23 Table 3.1 shows the connector assignment on the terminal strip of the Sunny Island: Designation Description Comments X1:1 Battery temperature + RETURN X1:2 Battery temperature + SEND X1:3 Battery temperature - SEND X1:4 Battery temperature - RETURN X1:5 Shielding Possibility to connect shielding of sensor cable - 23 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 24: Examples For Connection

    Table 3.1: Description of terminal strip 3.4 Examples for Connection In the following chapters you can read about the possibilities how to connect the in- verter to its environment. Examples for the different connection types are provided. - 24 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 25: Connection To Ground

    If an additional grounding cable with a larger cross-section is required this can be connected to the M6 threaded hole (marked as such) on the aluminum backplane (heat sink) of the Sunny Island. - 25 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 26: Connection Of The Battery

    Make sure the cable to the storage battery has a sufficient cross- section. Pay attention to the correct polarity of the connection to the storage battery. If the battery is to be grounded please follow the special instructions in chapter 3.4.1. - 26 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 27 Fig. 3.5: Connection of battery to the Sunny Island The nominal voltage of the battery to be connected is 60 V DC. Never remove the battery cable during operation. Always switch the inverter off first. - 27 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 28: Connection Of Battery Temperature Sensor

    To protect the battery always connect a battery temperature sensor (the Sunny Island displays a failure if no sensor is installed). In a three-phase island system only the master Sunny Island needs to be equipped with a battery temperature sensor. - 28 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 29: Connection To Ac Voltage

    Outlet External distribution Sunny Island Direct consumer Fig. 3.7: AC voltage connection Fig. 3.7 shows an exemplary layout of a subdistribution if additional electric circuits and grid-feeding devices are integrated into the system. - 29 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 30: Connection To Generator Current And Voltage Measurement

    Ensure sufficient fusing of the generator voltage sensor cables. The cross-section of the cable leading from the current converter to the inverter should be large enough to keep losses low (compare Fig. 3.9). - 30 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 31: Connection Of A Generator

    Sunny Island goes idle (short interruption) and connects the generator’s volt- age to the island grid by switching the relay “Diesel contactor” (K2). Afterwards the Sunny Island changes to grid tied operation (“RUN_I”). - 31 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 32 (Fig. 3.11). Natu- rally, this time cannot be reduced in case of a shutdown of the generator – unpre- dictable for the Sunny Island - (manual deactivation, failure due to fuel deficiency, or the similar). - 32 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 33 Sunny Island Generator start external distribution Generator Fig. 3.11: Example of connection for an accelerated switch-over (generator) * This relay shall not overcharge the 24 V auxiliary supply output (SMA order name ”SI-BP24“)! A relay complying with requirements available with...

  • Page 34: Connection To An External Utility

    “Diesel sync input” – just like in the case of the connection of a generator (see chapter 3.4.5 and chapter 3.4.6) – are not shown. - 34 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 35 Island can by no means forecast a failure of the external utility. Thus, it is in principle not possible to reduce this time during the switch-over to island operation mode. Fig. 3.13 does not show the necessary wiring of voltage sensor cables either. - 35 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 36 24V= Sunny Island Grid utility grid external distribution Fig. 3.13: Connection for an accelerated switch-over (utility) * This relay shall not overcharge the 24 V auxiliary supply output (SMA order name ”SI-BP24“)! A relay complying with requirements available with order name ”SI-BPRETR“.

  • Page 37: Connection To Generator And Utility

    The connection of the island grid with generator to an external utility is supported by the Sunny Island from Firmware BFR 1.50 and higher. For this purpose a special external interconnection with the voltage measurement is required, as shown in Fig. 3.14. - 37 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 38 Sunny Island Generator start Grid external distribution utility grid Generator Fig. 3.14: Connection to generator and utility This relay shall not overcharge the 24 V auxiliary supply output (SMA order name ”SI-BP24“)! A relay complying with requirements available with order name ”SI-BPRETR“.

  • Page 39: Connection Of A Battery Room Fan And Electrolyte Pump

    Grid external distribution utility grid Generator Fig. 3.15: Example of an accelerated switch-over (generator and utility) This relay shall not overcharge the 24 V auxiliary supply output (SMA order name ”SI-BP24“)! A relay complying with requirements available with order name ”SI-BPRETR“.

  • Page 40: Connection Of A Dump Load

    (K1 to K8) as shown in Fig. 3.17. The switched current of the relays K1 to K8 is a maximum of 5 A at 230 V AC. A detailed limit curve is shown in chapter 18. - 40 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 41 Installation & Operating Instructions BPRE control relay 3 BPRE control relay 4 Outlet Sunny Island load load external distribution > 2 kW < 2 kW Fig. 3.17: Connection of an additional load (“dump load“) - 41 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 42: Finalization Of Electrical Wiring

    Always mount the “lower protective cover“ (lower part of plastic terminal cover, see chapter 3.3.1) with the two corresponding screws after wiring has been completed and before any power supply units are connected! - 42 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 43: Interfaces For Communication

    (e. g. for full charging, compare chapter 11). With a PC and the software package Sunny Data which is available as an accessory (SMA order name “SWR-DA“) it is possible to diagnose and record data of all SMA components (Sunny Boy and Sunny Island) connected to this interface.

  • Page 44: Assignment Of Com1 Interface (Three-Phase Operation)

    In a three-phase island grid the COM1 interface is required for synchronization of the three phases. The three Sunny Islands in one system have to be interconnected with special 15-pin interface cables available as an accessory (SMA order name “SI- Synckabel-Set“). The assignment of the SYNC BUS interface is shown in Table 3.2.

  • Page 45: Assignment Of Com2 Interface

    Twisted pair 2 (2 x 0.25 mm) Twisted pair 1 (2 x 0.25 mm) Shielding Fig. 3.19: Recommended cable for RS485 communication The total length of the RS485 connection cable may not exceed 1200 m. - 45 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 46: Connection With Sunny Boy And Sunny Boy Control

    Sunny Island should be provided as shown in Fig. 3.20 In this plant layout this interface of the Sunny Island (COM2-RS485) is used for con- trolled power limitation of the Sunny Boys to ensure controlled full charging of the storage battery. - 46 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 47 (max. 50) last Sunny Boy: MOSR15-SP Jumper 1 Connect shield mounted to case (PE) Resistors under the Piggy- Back module must be removed Fig. 3.20: Connection of Sunny Boys at Sunny Island’s COM2 (RS485) - 47 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 48: Multiple Connection At Com2 Interface

    A PC is connected to a Sunny Island via RS232 with an ordinary serial data trans- mission cable (modem elimination cable, SMA order name “SBCO-PC“). If your PC is equipped with DB25 plugs or if only a DB25 plug is free (e. g. the COM1 DB9 plug is already used by a serial PC mouse) you additionally require a DB25/DB9 adapter (SMA order no.

  • Page 49: Alternative Communication At Com1 Interface

    PV-plant consumer quantity ˚C ˚C COM 2/ 1200 Baud Connection Box RS485 COM 1/ 9600 Baud Sunny Boy Control Plus RS485 RS232 Laptop Data Storage GSM-Modem Fig. 3.21: Data communication with serial interface - 49 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 50: Assignment Of Com3 Interface

    To be able to update the software an additional PC programme is required. Table 3.4 shows the pin assign- ment. RS232 Signal /RXD /TXD Table 3.4: Assignment of Sunny Island interface (COM3) - 50 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 51: Communication In A Three-Phase Island Grid

    Master Sunny Boy Control S-BUS Communication Interface PC Interface RS485 1200 Baud Sunny Net RS485 19200 Baud SMA Net Service Interface RS232 Sunny Boy Sunny Boy Sunny Boy Fig. 3.22: Communication in a three-phase island grid Please read chapter 8.3 carefully!

  • Page 52: Operating Instructions

    Menu bar Scrolling to right / left only possible if arrow symbols appear Scrolling main display up or down only possible if arrow symbols appear here ENTER Fig. 4.1: Operation of the Sunny Island - 52 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 53: Key Assignment

    If you still desire to modify the contrast you can do so starting from any menu item. Furthermore you can reinitialise the display which automatically resets the contrast to the standard value. - 53 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 54: Return To Status Display

    [ % ], [ & ]. E. g. the unit’s, ten’s and hundred’s digits of three-digit parameters can be modified separately. The user can switch from one digit to the next (higher or lower) digit by pressing the [ ' ] and [ ( ] keys. - 54 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 55: Menu Structure

    Menus with a white background can be viewed by the operator without a password. They are used in normal operation to operate and monitor the Sunny Island and the plant components it controls. - 55 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 56 (chapter 8) DATAV START SETTIM ACKN DATSYS GENSET PASSWD HISTOR DATALL FUNCT PARSYS ERRHIS DATBAT BHKW PARGRD EVTHIS DATGRD PARBAT PARGEN PARREL PARSB Only selectable with installer password. PARALL Fig. 4.2: Menu structure - 56 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 57 Instructions for error diagnosis and correction, status and error history Table 4.5: Contents of the four menu branches The menus shown in Fig. 4.2 are described in detail in chapters 7 to 10. - 57 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 58: First Commissioning Of The Sunny Island

    “START FIRMW“ is displayed. During the following start-up phase the following mes- sages are shown: Fig. 5.1: Start-up phase of the Sunny Island Fig. 5.2: System message of the Sunny Island - 58 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 59 After another two seconds you can see the starting menu (see Fig. 5.3). Should your Sunny Island display a different text, please write it down. Switch the inverter off again and contact the SMA hotline (see chapter 22). Fig. 5.3: “INIT” menu (0-0) While the selection shown in Fig.
  • Page 60 Sunny Island off. First enter the installer password in the menu “PASSWD“ (3-2) and then confirm “Restart“ in the “FUNCT“ (2+3) menu. Normally, however, switching the inverter off and on again should be the easier way. - 60 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 61: Configuration

    3. The Sunny Island has already been configured. For optimized operation some settings are to be changed. This can be done in the corresponding menus practically any time. Normally the password for “level: 1“ (installer) has to be entered in the “PASSWD“ (3-2) menu. - 61 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 62: First Configuration ("New System")

    (as described in chapter 5) where you select the menu item “New System“ with the arrow keys and confirm it with [ ENTER ]. Now enter the password for “level: 1“ (installer). Fig. 6.1: Display to enter password - 62 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 63 1Phs_Mstr3: single-phase parallel operation with three de- vices with one single battery pack, device is master 1Phs_Slv2: single-phase parallel operation with two or three devices with one single battery pack, device is - 63 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 64 Table 6.1: Parameters to be entered for configuration via “New System“ Lead-acid batteries with a liquid electrolyte are also called non VARLA while batteries labeled VARLA (VAlve Regulated Lead Acid) or mainte- nance-free are normally gel or fleece batteries. - 64 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 65 Screw the lower lid onto the enclosure again after you have reconnected its PE ca- ble. An AC grid is only available when the Sunny Island has been set into the operating mode “RUN_U“ in the “START“ (2-1) menu (see chapter 7.1). - 65 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 66: Configuration After Battery Exchange ("New Battery")

    In contrast to configuration via “New System“, only those settings that concern the battery are reset after correctly entering the password. After entering the password you will reach a menu where selected essential parame- ters for the exchanged battery have to be set. - 66 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 67 You can only leave this menu again by pressing [ ESC ] after you have entered all parameters (see Fig. 4.2). Please check now referring to chapter 7.4 whether additional settings for adaptation to the island grid are required or reasonable. - 67 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 68: Configuration After Restart ("Restart")

    Changes of parameters should always be made in standby mode. Otherwise the corresponding operating values will change immedi- ately after pressing [ ENTER ]. Then incorrect entries cannot be changed fast enough and may lead to damages in the plant! - 68 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 69: Operation (Operat)

    AC voltage side. The menu selection “OPERAT“ (0-2) is meant for operating steps in normal opera- tion. OPERAT (Chapter 6) START GENSET FUNCT BHKW Fig. 7.2: Menu branch “OPERAT“ (0-2) - 69 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 70: Menu "Start" (2-1), Operation Of The Sunny Island

    When the Sunny Island is started from the state it has been delivered in, the start-up must be made manually. The inverter can also be configured to an automatic (re-)start (see chapter 8.3). - 70 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 71: Menu "Genset" (2-2), Operation Of Generator

    (see chapter 8.6). The upper lines show behind ”State” and “Fail” whether a generator has been con- figured (see also chapter 8.6), in which operating phase it currently is and whether an error has occurred. - 71 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 72 The Sunny Island reduces its absorption of current in charging operation (RUN_I)... OFF: … not at all F_MAINS: … as a function of generator frequency I_DIESEL: … as a function of generator current (converter required, see - 72 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 73: Menu "Funct" (2+3), Special Functions

    This will be delivered together with the PC programme required for the update. 7.4 Menu „BHKW“ (2+5), ecopower support This menu can only be selected after the installer password (level: 1) has been en- tered. - 73 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 74 Effective power, can be set PBHKWMAX Total power capacity of all connected CHPs PBHKWSET Power input, can be set BHKWMODE Operating mode, can be set, meaning see CHP documentation Table 7.2: Settings in the menu „BHKW“ (2+5) - 74 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 75: Settings (Setup)

    Changes of parameters should always be made in standby mode. Otherwise the corresponding operating values will change immedi- ately after pressing [ ENTER ]. Faulty settings cannot be corrected fast enough and may lead to damage in the plant! - 75 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 76: Menu "Settim" (3-1), Setting The System Clock

    [ ENTER ]. You can set the time and date as described in chapter 4.1.4. Finish each entry (year, month...) separately by pressing [ ENTER ] and only then change to the next setting. You can leave the menu by pressing [ ESC ]. - 76 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 77: Menu "Passwd" (3-2), Entry Of Password

    • if a wrong password has been entered in the menu “PASSWD“ (3-2), • on a restart, • when using the return function (see chapter 4.1.3), • if no keys have been pressed for approximately 5 minutes. - 77 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 78: Menu "Parsys" (3+3), Parameters System

    The start-up attempts based on low-strain operation of the battery (see chapter 14, parameter “517_BS Tstop“) are independent of the number of autostart attempts set up, even if this has been set to “0“! - 78 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 79: Menu "Pargrd" (3+4), Parameters Grid

    Set to 1200 for communication with Sunny Boys or Sunny Boy Controls with Sunny Boys. Table 8.1: Settings in menu “PARSYS“ (3+3) 8.4 Menu “PARGRD“ (3+4), Parameters Grid This menu can only be selected after the installer password (level: 1) has been en- tered. - 79 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 80 AC voltage (RUN_I) 405_Uext min 150 ... 260 V: minimum AC voltage 406_Uext max 150 ... 260 V: maximum AC voltage 407_Fext nom 40 ... 70 Hz: nominal AC frequency, Sunny Island operates grid-tied (RUN_I) - 80 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 81: Menu "Parbat" (3+5), Parameters Battery

    501_Cbat nom 0 ... 10000 Ah: Nominal battery capacity of 10 hours (C10); Always enter value stated by manufacturer even if battery has already aged! 502_Bat Type Battery type as stated by manufacturer - 81 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 82 Time period after which equalizing charge is to be made. 520_U float 2.2 ... 2.4 V: Float charge voltage per cell 521_tVR charge 1 ... 600 min: Charging time for normal charge (with gel or fleece batteries, see “502_Bat Type”). - 82 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 83 „534_Stdby t end“). The low battery load mode is always activated, when one battery state lower is reached. However, from 6 am to 6 pm the Sunny Island attempts to switch on - 83 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 84: Menu "Pargen" (3+6), Parameters Generator

    Under the parameter “602_GenSet Type“ the type of starting pro- cedure can be defined. The Sunny Island provides three different starting procedures (see Fig. 16.1). The individual time periods within these procedures can also be set in the menu “PARGEN“ (3+6). - 84 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 85 3 contacts run / start, relays K1, K2, K5 Type 3: 3 contacts run / Stopp, relays K1, K2, K5 EcoPower Ecopower CHP (see also chapter 16 “Starting phase sequence of different generator types”) - 85 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 86 (only K5 or K6) If the relays shall be switched in relation to the power, the parameters “705_Man K5” and/or “706_Man K6” must be set to “LOAD“ - 86 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 87 0 … 10.000 W Maximum power of the Ecopower CHP 0 … 10.000 s Minimum run-time of the Ecopower CHP 640_BHKW_Ton 641_BHKW_Toff 0 … 10.000 s Minimum pause time of the Ecopower CHP - 87 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 88 Requirement of the Ecopower CHP when the load at one 644_PldOnLx phase has been exceeded 710 ... 715 Conditions for generator start: see chapters 8.7 and 11. Table 8.4: Settings in menu “PARGEN“ (3+6) - 88 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 89: Menu "Parrel" (3+7), Parameters Relays

    (see below). To set a relay control depending on the bat- tery state please follow the steps below. (Settings for the relay K1 are described. Settings for the relays K2 to K8 are to be made accordingly.) - 89 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 90 The setting is made accordingly as described above, but with the parameters “714_K1 On t2“ and “715_k1 Off t2“. • To activate the battery state-dependent relay control the parameter “701_Man K1“ has to be set to “AUTO“. - 90 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 91 -Active battery state Fig. 8.10: Setting of relays as a function of battery charge degree Special tasks Some of the relays can be assigned special tasks. This depends on the settings in other menus: - 91 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 92 The relays are controlled by the Sunny Island in regular operation only. If the Sunny Island is switched into standby mode, the AC voltage is miss- ing or an error state occurs, all relays are dropped out after a short pe- - 92 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 93 707, but for K8 710_K1 t2 begin 0 ... 23 h: Begin of special time period t2 for K1 711_K1 t2 end 0 ... 23 h: End of special time period t2 for K1 - 93 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 94 713, but in special time period t2 716_K2 t2 begin as parameter 710, but for K2 717 … 757 as above, but for K2 to K8 Table 8.6: Settings in the menu “PARREL“ (3+7) - 94 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 95: Menu "Parsb" (3+8), Parameters Sunny Boy

    Sunny Island is not to control Sunny Boys. Installed: Sunny Island is to control Sunny Boys. Inst. Mains: Sunny Island is to control Sunny Boys only if grid feeding is not possible. Table 8.7: Settings in the menu “PARSB“ (3+8) - 95 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 96: Menu "Parall" (3+9), All Parameters

    Special care has to be applied when changing the settings. Incorrect or missing settings can lead to damage to the Sunny Island as well as to the connected plant components! Settings must always be changed by the installer or another qualified person. - 96 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 97: Operating Data (Data)

    In normal operation a selection of the most important measured values is continu- ously shown on the Sunny Island display. In addition, the current state of the relay is displayed by pressing the [ ESC ] – button. - 97 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 98 Cumulative AC current of connected Sunny Island (for example, in case of three-phase system), also as bar Relais Display of the relay state o: relay is not controlled I: relay is controlled Table 9.1: Spot values shown in “DATA“ (0-1) - 98 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 99: Menu „Datav" (1-0), Overview Of Measured Values

    Voltage at the Diesel-Sync input port of the Sunny Island, frequency of the Diesel-Sync voltage Power of the generator (measured via Diesel-Sync input port and Diesel-current termi- nal) Table 9.2: Values shown in „DATAV“ (1-0) - 99 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 100: Menu "Datsys" (1-1), System Data

    Table 9.3 explains only those plant data which are visible to the operator (password level: 0). You will find a complete list of all plant data in the appendix. “DATALL“ (1-2) Name Description Status Current operating mode - 100 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 101: Menu "Datbat" (1+3), Battery Data

    Estimated error of the calculated charge degree of “SOC act” Table 9.3: Menu “DATSYS“ (1-2), password level: 0 9.4 Menu “DATBAT“ (1+3), Battery Data This menu can only be selected after the installer password (level: 1) has been en- tered. - 101 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 102 Qdn equal Charge throughput (discharge) since last equalizing charge tpast full Time since last full charge tpast equal Time since last equalizing charge T Uconst charge Time of constant U phase for normal charges - 102 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 103 Time of constant U phase for full charges t Uconst equal Time of constant U phase for equalizing charges ChargeOper State of battery management SOC AHB Charge degree of full charge degree calibration Table 9.4: Menu “DATBAT“ (1+3) - 103 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 104: Menu "Datgrd" (1+4), Grid Data

    Uext eff RMS value of voltage on input Diesel U Fext Current grid frequency at synchronous input port Iext eff Current generator current (of converter) Iext Sum Total of generator current (three phases) - 104 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 105 Sunny Island Installation & Operating Instructions “DATGRD“ (1+4) Name Description Pext Current active generator power Pext Sum Total of active generator power (three phases) Table 9.5: Menu “DATGRD“ (1+4) - 105 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 106: Diagnosis (Diag)

    The “DIAG“ (0-4) menu selection shows the error status of the system. The menu branch itself comprises detailed lists of the latest errors and system states. For a clear distinction “events“ are marked with an “E“ in front, “alerts“ with an “A“. - 106 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 107 Number of errors occurred and detected Not Ackn.: Number of errors still to be confirmed by the operator Current Error: Error occurred last and still present Table 10.1: Displayed menu selection “DIAG“ (0-4) - 107 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 108: Menu "Ackn" (4-1), Error Confirmation

    Sunny Island (“events“), exceeded limiting values and errors (“errors“, “alerts“). The date and time of occurrence are logged as well for each of these. A list of messages available is provided in chapter 17. - 108 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 109: Menu "Errhis" (4-3), Error Protocol

    “HISTOR“ (4-2). 10.4 Menu “EVTHIS“ (4-4), State Protocol Fig. 10.6: Menu “EVTHIS“ (4-4) The menu “EVTHIS“ (4-4) lists the changes of operating states that are shown in the menu “HISTOR“ (4-2). - 109 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 110: Battery Management

    All settings to be considered for the first operation are described in chapter 6. If you have exchanged the lead-acid battery of the Sunny Island restart the system and follow the instructions in chapter 6.2. - 110 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 111: Charging Methods

    Float charge (after one of the other charging procedures has been completed) Charging is initiated by the battery management, i. e. requested from the system management when certain battery states have been reached. - 111 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 112: Battery States

    11.2 Battery States The battery management determines the state of the battery out of a selection of eleven possible battery states. It informs the relay control about the determined bat- - 112 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 113 Start Battery Charging Deactivate Wind Power Plant With Generator Partially deactivate Activate Consumers Dumpload Deactivate all Consumers Deactivate Sunny Island Fig. 11.2: Dependency of the battery state on the charge degree and possible switching operations - 113 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 114 Destruction of Immediately reduce internal Switch off inverter battery immi- consumption, initiate charging, nent alarm message via switch-off Table 11.2: Battery states and recommended measures - 114 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 115: Failure Of Individual Cells

    When installing a new battery via “New Battery“ in the “INIT“ (0-0) menu make sure to comply with the battery nominal volt- age that has to be 60 V again. - 115 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 116: Operating Modes

    “PARGRD“ 3+4 parameters. The Sunny Island then has to provide the necessary active and reactive power that is required for the control of the grid. All other compo- nents in the grid then have to operate as grid controlled power generators or con- sumers. - 116 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 117 Due to the battery management the Sunny Island can perform a full charge of high quality even in this operating mode, that can take several days, if necessary (for ex- ample if there are only photovoltaic feeders). - 117 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 118: Grid-Tied Operation (Run_I)

    PV Modules Control of frequency and voltage Consumers Sunny Boy 230 V 50 Hz/60 Hz Sunny Island Control of battery current and battery voltage Fig. 12.2: Sunny Island with external grid-former - 118 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 119: Overload Behavior

    One reason for the careful observation of the overload performance is the connection or activation of “problem loads“. These are consumers that extract a very high amount of power from the grid when they are activated. This power can be very - 119 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 120 Island therefore reduces the AC voltage for a short time. This not only reduces the current peaks on the AC side, but also those on the DC side – thus increasing the battery power and prolonging the battery’s service life. - 120 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 121: Island Grids - Examples

    Fig. 13.1: Sunny Island (single phase) with generator and PV The Sunny Island operates in a single phase island grid in this example. The island grid consists of single phase power sources (Sunny Boy, Generator) and consumers - 121 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 122 Sunny Island (via one of the relays K1 to K8). Espe- cially in case of a failure (generator defective etc.) the battery can thus be protected against harmful conditions and emergency operation can be made as efficient as possible. - 122 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 123 Sunny Island Installation & Operating Instructions To monitor the battery temperature a Pt100 temperature sensor has to be connected to the Sunny Island. - 123 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 124: Single-Phase Pv Island Grid Without Generator

    (K1 to K8) if e. g. the battery state N3 or N4 is reached. When battery state L2 is reached all consumers – if possible - should be switched off at the latest. A model for wiring is shown in chapter 3.4.10. - 124 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 125 Consumer is switched off when battery state L1 has been reached (falling) 801_Sunny Boys Installed Installed Table 13.2: Summary of parameters to be configured To monitor the battery temperature a Pt100 temperature sensor has to be connected to the Sunny Island! - 125 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 126: Single-Phase Pv Island Grid With Generator And Utility

    To monitor the battery temperature a Pt100 temperature sensor has to be connected to the Sunny Island! - 126 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 127 Sunny Island (via one of the relays K1 to K8). Espe- cially in case of a failure (generator defective etc.) the battery can thus - 127 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 128: Three-Phase Pv Island Grid With Generator

    Three-phase operation, define one inverter as master 3-phase master L1, the other ones as slaves 3-phase slaves L1 and L2 402_Uconv nom 230.0 V Nominal voltage AC (RUN_U) 403_Fconv nom 50.00 Hz Nominal frequency AC (RUN_U) - 128 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 129 Sunny Island (via one of the relays K1 to K8). Espe- cially in case of a failure (generator defective etc.) the battery can thus be protected against harmful conditions and emergency operation can be made as efficient as possible. - 129 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 130: Overview: Configurable System Parameters

    500 ... 599 „PARBAT“ (3+5) 600 ... 699 „PARGEN“ (3+6) 700 ... 799 „PARREL“ (3+7) 800 ... 899 „PARSB“ (3+8) Table 14.1: Allocation parameter number / menu „PARALL“ (3+9) Parameter Unit Min. Max. Default Description - 130 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 131 For communication to Sunny Boys: set to SUNNYNET 317_COM2 Baud Baud rate COM2 (bits/s) 2: 1200 5: 9600 6: 19200 For communication to Sunny Boys or Sunny Boy Controls: set to 1200. - 131 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 132 Upper limit for AC frequency, 50 Hz (60 Hz) design 411_Iac chrg mx Max. current the Sunny Island may take out of the AC grid in “grid-tied“ operation (RUN_I, battery is being charged in the process) - 132 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 133 By selecting “Installed“ the electrolyte circulation pump is switched on depending on settings of pa- rameters 513 to 516. Irrespective of battery values, however, there is at least one circulation and 9 cir- culations maximum per day. - 133 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 134 Charging voltage for normal charge per cell (for lead-acid batteries, see also “502_Bat Type“) The value should be reduced to 2,45 V in case an electrolyte circulation pump is installed. Please follow the instructions of the battery manu- facturer. - 134 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 135 6: N2 7: N1 8: O1 9: O2 10: O3 536_Fan on del 1440 Delay of switch-on for battery room fan In order to use this setting, “511_Bat Fan” must be set to “Installed“ - 135 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 136 5: BHKW-Island Sunny Island is operated to- gether with the Ecopower CHP just 6: Mains form Sunny Island is operated to- gether with a grid-forming gen- erator and on the public utility grid - 136 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 137 618). After the minimum run-time of the generator has expired, the counter will be reset. 606_CurTrfRatio Ain/5 1000 Current transformer ratio (in A per 5 A) for meas- Aout urement of generator current - 137 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 138 (only K5 or K6). If the relays shall be switched in relation to the power, the parameters “705_Man K5” and/or “706_Man K6” must bei set to “LOAD“ - 138 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 139 Ecopower CHP. (“706_Man K6“ = Au- 638_PBHKWMin 4000 2200 Minimum power of the Ecopower CHP 639_PBHKWMax 10000 4700 Maximum power of the Ecopower CHP 640_BHKW_Ton 10000 Minimum run-time of the Ecopower CHP - 139 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 140 Sunny Island automatically con- trols relay K3. 704_Man K4 Operating mode of relay K4 0: OFF: Switch relay K4 off 1: ON: Switch relay K4 on 2: AUTO: Sunny Island automatically con- trols relay K4. - 140 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 141 9: GEN_MANU: Relay is switched if generator has already been started before the Sunny Island. 11: LOAD: Relay is switched in relation to load (see also parameter 625 to 630) - 141 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 142 Switch relay K8 on 2: AUTO: Sunny Island automatically con- trols relay K8. 710_K1 t2 begin Start of special period t2 for K1 711_K1 t2 end End of special period t2 for K1 - 142 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 143 Switch-on threshold for K2 in special period t2 (see 714) 721_K2 Off t2 Switch-off threshold for K2 in special period t2 (see 715) 722_K3 t2 begin Beginning of special period t2 for K3 (see 710) - 143 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 144 Beginning of special period t2 for K7 (see 710) 747_K7 t2 end End of special period t2 for K7 (see 711) 748_K7 On t1 Switch-on threshold for K7 (see 712) 749_K7 Off t1 Switch-off threshold for K7 (see 713) - 144 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 145 Sunny Boys if grid feeding is not possible. 3: Frequency Sunny Island controls the Sunny Boys via grid frequency (This mode is only possible when the Sunny Boys are equipped with an advanced firmware) - 145 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 146: Overview: Measured Values Displayed

    -320 Sum of grid apparent power SI (three phases) Iconv Sum Inverter current (three phases) Pext Sum -320 Sum of generator active power (three phases) Pext L1 -320 Generator active power phase 1 - 146 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 147 10=fail_look locked after multiple failure GenFail Generator failure state 0=none no failure 1=F_crank failure during cranking 2=F_warm failure during warming up 3=F_Run failure in operation 4=F_Runlim gen. falls short of minimum power 5=F_Cool failure during cooling down - 147 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 148 Charge throughput (discharge) since last full 100Ah charge Qdn equal -10000 10000 0 Charge throughput (discharge) since last equaliz- 100Ah ing charge tpast full 3700 Time since last full charge tpast equal 3700 Time since last equalizing charge - 148 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 149 Ibat mean -150 Mean value of battery current Ibat Sum -320 Sum of battery current SI (three phases) Tbat mean degC Battery temperature mean value Pbat mean -32000 32000 0 Battery power mean value - 149 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 150 Sconv -32000 32000 0 Grid apparent power SI Sconv Sum -320 Sum of grid apparent power SI (three phases) Uext eff RMS value of synchronous voltage Fext Current grid frequency on synchronous input - 150 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 151 Default Description Iext eff Current generator current (of converter) Iext Sum Sum of generator current (three phases) Pext -320 Current generator active power Pext Sum -320 Sum of generator active power (three phases) - 151 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 152: Terminal Diagrams For Generator Options

    Crank Typ 3 Glow / Stop Grid Crank Fig. 16.1: Starting phase sequence for different generator types * depending on the firmware version, other relays are used for this feature (see Table 8.5) - 152 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 153 Sunny Island Installation and Operating Instructions Fig. 16.2: Single-phase island system with generator “type 1“ (automatic start) - 153 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 154 Sunny Island Installation and Operating Instructions Fig. 16.3: Single-phase island system with generator “type 2“ - 154 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 155 Sunny Island Installation and Operating Instructions Fig. 16.4: Single-phase island system with generator “type 3“ - 155 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 156 This can be the case when unfavorable weather conditions persist for a longer time period. For this purpose the operator can use a special terminal box available from SMA as an accessory (SMA order name “SI-GENCASE.01“) which can be firmly installed in the plant.
  • Page 157 Sunny Island Installation and Operating Instructions Fig. 16.5: External charging of the battery by an auxiliary generator - 157 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 158: Error And Status Signals

    Internal Error Exceeding of limit values (AC side) A0031 A0032- Internal Error Violation of plausibility limits of internal meas- A0037 ured values A0038 Internal Error DSP timeout A0039 Overtemp Battery Battery temperature rise (parameter) - 158 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 159 Energy was refed into the generator A0053 Sync signal failed DSP Sync signal failed A0054 SI Communication error Communication error in interconnection mode (COM1) A0055 Slave Errors One of the slaves announces error Table 17.1: Error signals - 159 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 160: Status Signals ("Events")

    Battery state N4 has been reached E0031 Bat N3 Battery state N3 has been reached E0032 Bat N2 Battery state N2 has been reached E0033 Bat N1 Battery state N1 has been reached - 160 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 161 Sunny Island is slave and has switched to DC-LINK state. E0074 SLAVE CONV Sunny Island is slave and has switched to RUN_U mode. E0075 SLAVE CONVDR Sunny Island is slave and has switched to droop mode. - 161 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 162 SLAVE ACKN Sunny Island is slave and has received acknowledge. E0079 Frequency decrem. Frequency lowering started (only in special configurations) E0080 Frequency decrem. Frequency lowering stopped (only in special configurations) Table 17.2: Status signals - 162 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 163: Technical Data

    48 Hz ... 62 Hz Harmonic distortion in output voltage: < 3 % (with K < 2 %, P > 0.5 P Ugrid ACnom typical value for V > 60 V, see chapter 12.3 - 163 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 164 Certification CE Declaration of Conformity: Protection degree Protection degree acc. to IEC 60529: IP20 Dimensions and weight Dimensions (width x height x depth): 510 x 560 x 270 mm Weight: approx. 45 kg - 164 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 165 Installation and Operating Instructions Ambient conditions Ambient temperature range (permissible): -25 C to +45 Relative humidity (permissible): 0 ... 93 %, non-condensing Limit curves of relays (accessories) Fig. 18.1: Limit curves of relays - 165 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 166: Servicing And Maintenance

    Connections Annually check the incoming cables including the terminal area of the Sunny Island for any visible damage and loosened mechanical connections. Apart from visual in- - 166 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 167 Sunny Island and are to be determined in an inspection which first should be made every three months. User interface, display The user interface can best be cleaned with a soft moistened cloth. Cleaning agents containing solvents or abrasives may not be used! - 167 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 168 To make sure the control functions based on system time are performed correctly and status and error messages are assigned the correct time of occurrence you should check the system time from time to time and adjust it if required. - 168 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 169: Warranty And Liability Regulations

    SMA will decide whether it will repair the device in its works without invoicing material and labor costs or deliver a replacement device. The rejected device is to be returned to SMA in the original packing or in a transport packing of equal quality free of charge.
  • Page 170 Sunny Island Installation and Operating Instructions Exclusion of Liability The above rights held by the customer and any liability by SMA are excluded in case of damages due to • transportation damages, • improper installation or commissioning, • improper alterations, modification or repairing attempts, •...

  • Page 171: Declaration Of Conformity

    Sunny Island Installation and Operating Instructions 21 Declaration of Conformity - 171 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 172: Contact

    Sunny Island Installation and Operating Instructions 22 Contact SMA Regelsysteme GmbH Hannoversche Straße 1 – 5 34266 Niestetal Germany Tel.: +49 561 95 22 499 Fax: +49 561 95 22 4609 E-mail: hotline@sma.de Internet: http://www.sma.de - 172 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 173: List Of Figures

    Fig. 3.12: Connection to an external utility ..............35 Fig. 3.13: Connection for an accelerated switch-over (utility)........36 Fig. 3.14: Connection to generator and utility............38 Fig. 3.15: Example of an accelerated switch-over (generator and utility) ....39 - 173 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 174 Fig. 5.4: Status / Menu selection “DATA“ (0-1)............59 Fig. 6.1: Display to enter password ................62 Fig. 6.2: Display to enter password ................66 Fig. 7.1: Menu selection “OPERAT“ (0-2)..............69 Fig. 7.2: Menu branch “OPERAT“ (0-2)..............69 Fig. 7.3: Menu “START“ (2-1)..................70 - 174 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 175 Fig. 8.11: Menu “PARSB“ (3+8) ................95 Fig. 8.12: Menu “PARALL“ (3+9)................96 Fig. 9.1: STATUS and menu selection “DATA“ (0-1)..........97 Fig. 9.2: Menu branch “DATA“ ..................97 Fig. 9.3: STATUS and state of the relay..............98 - 175 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 176 Fig. 12.1: Sunny Island as grid-forming element .............117 Fig. 12.2: Sunny Island with external grid-former ............118 Fig. 13.1: Sunny Island (single phase) with generator and PV........121 Fig. 13.2: Sunny Island with PV, generator and public utility (single-phase)...126 - 176 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 177 Fig. 16.3: Single-phase island system with generator “type 2“........154 Fig. 16.4: Single-phase island system with generator “type 3“........155 Fig. 16.5: External charging of the battery by an auxiliary generator ......157 Fig. 18.1: Limit curves of relays................165 - 177 - BWRI33-12:EE SMA Regelsysteme GmbH...

  • Page 178: List Of Tables

    Table 7.1: Settings for the menu “GENSET“ (2-2).............73 Table 7.2: Settings in the menu „BHKW“ (2+5) ............74 Table 8.1: Settings in menu “PARSYS“ (3+3) ............79 Table 8.2: Settings in menu “PARGRD“ (3+4)............81 Table 8.3: Settings in menu “PARBAT“ (3+5) ............84 - 178 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 179 Table 13.2: Summary of parameters to be configured ..........125 Table 13.3: Summary of parameters to be configured ..........127 Table 13.4: Summary of parameters to be configured ..........129 Table 17.1: Error signals ..................159 Table 17.2: Status signals ..................162 - 179 - BWRI33-12:EE SMA Regelsysteme GmbH...
  • Page 180 Sunny Island Installation and Operating Instructions - 180 - BWRI33-12:EE SMA Regelsysteme GmbH...

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