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SUNNY ISLAND 8.0H / 6.0H - Installation Manual

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1. Total length of conductor outward conductor return conductor twice the cable length in m A Conductor cross section in mm 2 Calculate the total resistance of the battery cable Use the following formula ReatRes R cable 1 R BatFuse R cable 2 RBatRes Total resistance of the battery cable R cable 1 Calculated resistance of cable 1 R cable 2 Calculated resistance of cable 2 R BatFuse Total resistance of the BatFuse 2 mQ 3 Switch to expert mode see Section 7 6 4 Select the 221 06 BatWirRes parameter and set it to the resistance of the battery cable 100 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 13 Commissioning the Battery Current Sensor To operate the battery current sensor you must set the type of the battery current sensor and start calibration and offset adjustment of the battery current sensor The off grid inverter distinguishes between 50 mV and 60 mV battery current sensors These type designations indicate the amplification factor of the battery current sensor The amplification factors are given in amperes per 50 mV or in amperes per 60 mV e g 400 A 60 mV If you have installed a battery current sensor commission it as follows Requirement O Ina cluster the Sunny Remote Control must be connected to the master Switch the off grid system off and open the BatFuse switch disconnector 2 Shortcircuit the measuring cabl
2. Press the startstop button on slave 1 M A signal sounds and the QCG configures slave 1 Wait until the inverter LED of slave 2 flashes and the Sunny Remote Control displays To identify Slave2 press Tss on the Slv Press the startstop button on slave 2 M A signal sounds and the QCG configures slave 2 Press the button on the Sunny Remote Control to terminate the QCG MM The off grid inverter switches to standard mode Configure the next cluster until all clusters have been configured Installation Manual SI8O0H 60H OffGrid lA en 1 1 87 7 Commissioning SMA Solar Technology AG 7 5 Switching to Installer Mode In installer mode you have access to a reduced number of parameters for the configuration and operation of the off grid system The parameters for multicluster systems are only available in expert mode Switching to installer mode requires an installer password This installer password is changed regularly The installer password must be re calculated every time NOTICE Entering wrong parameters endangers operational safety All parameters which could affect the operating safety of the off grid system are protected by the installer password e Only skilled persons are permitted to set and adjust system parameters e Only give an installer password to skilled persons Select the Password 1 1 display page in user mode and press the button 2 Calculate the digit sum of the Runtime operating hour
3. A Figure 3 Components of the Communication for RS485 order option Position Quantity Description o A ft SI COMSMA BGx installed in the Sunny Island at the factory Bo fl Grey RJ45 data cable CAT5e 5 m eo Jt White RJ45 data cable CAT5e with three wires with stripped insulation iD Ji Screw installed in the Sunny Island at the factory Terminator plugged into SL COMSMA BGx at the factory In the case of a cluster system the communication interface is only installed in the master Installation Manual SI8O0H 60H OffGrid lA en 1 1 17 3 Scope of Delivery SMA Solar Technology AG Communication for Multicluster System Order Option The following components are added to the scope of delivery D Poe ee G Figure 4 Components of the Communication for multicluster system order option Position Quantity Description iB fl SI COMSMA BGx installed in the master at the factory iD ft Grey RJ45 data cable CAT5e 5 m White RJ45 data cable CAT5e with three wires with stripped insulation Screw installed in the Sunny Island at the factory Terminator plugged into SISYSCAN BGx and SILCOMSMA BGx at the factory CAN communication interface RSA85 communication interface 18 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG A Product Description 4 Product Description 4 1 Sunny Island The Sunny Island is a bidirectional off grid inverter and forms a stand alo
4. For with electrical remote start function but without their own GenMan technical control system description Mount the GenMan If planned for the off grid system Communication device Mount communication devices installation manual If DC loads or charge controllers apart from Sunny Island Charger 50 are present Mount the battery current sensor between BatFuse and battery 26 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 5 Mounting 5 2 Selecting the Mounting Location for the Off Grid Inverter Requirements for the mounting location A WARNING Danger to life due to fire or explosion Despite careful construction electrical devices can cause fires Do not mount the off grid inverter on flammable construction materials Do not mount the off grid inverter in areas where highly flammable materials are stored Do not mount the off grid inverter in a potentially explosive atmosphere Ensure that the battery room is sufficiently ventilated see battery manufacturer s documentation This prevents the build up of explosive and dangerous gases C Inverters must be mounted on a stable surface e g concrete walls In living areas ensure that the surface is not made of plasterboard or similar When in operation the off grid inverter makes noises that could be regarded as a nuisance O The mounting location must be suitable for the weight and dimensions of the off grid inverter see Section 12 T
5. Installation Manual SI80H 60H OffGrid lA en 1 1 35 6 Electrical Connection SMA Solar Technology AG 6 5 Earthing the Battery If you you wish to the battery you can do so at the positive pole or at the negative pole using a protective conductor SMA Solar Technology AG does not recommend earthing the battery Conductor cross section You must determine the required conductor cross section of the PE taking into account the applicable local standards and directives The calculation of the conductor cross section of the PE depends on the type and size of the connected battery the external fuse in the BatFuse and the material of the PE Example Calculation of conductor cross section for PE PE is made of copper The required conductor cross section of PE can be calculated using the following formula oo I t ral 143 Scu Conductor cross section in mm Isc Shortcircuit current in A t Interruption time in s Typical tripping times for an LV HRC fuse are around 25 ms for short circuit currents between 2 000 A and 10 000 A Earthing with a cross section of 16 mm is sufficient for short circuit currents up to 10 000 A Requirement C1 Material of the PE conductor copper 1 Determine the conductor cross section for PE Earth the battery at the positive pole or negative pole Also earth the off grid inverter Strip the insulation off the protective conductor e Place the clamping bracket over the conductor Posi
6. Off grid Inverter SUNNY ISLAND 8 0H 6 0H Installation Manual SI80H 60H OffGrid IA en 1 1 IMEN SI8OH Version 1 1 Cen SMA Solar Technology AG Table of Contents l 2 2 1 2 2 2 3 3 4 4 1 4 2 4 3 4 4 4 5 5 5 1 5 2 oo 6 6 6 2 6 3 6 4 6 5 6 6 6 7 6 8 Product Description cece ccc e cece eee eees Sny aso tb outs Be anh ean neko seats ea Tye UGC carded oy Bite ene eo es 5 ee ar Off Grid Inverter Control Panel 2 0 00 00 00 eae Sunny Remote Control 00 cece Communication 0 00 cc eee eee eee eee een eee MOUNTING sess os av ented ya datien sia wekin eaaa Organising MOYNING 4 seeeeusn ee tetetr eset esteiend Selecting the Mounting Location for the Off Grid Inverter Mounting the Off Grid Inverter 0 00000 eee eee Electrical Connection sssssssssssssoeseseo Overview of the Connection Area 0 000 cee eee ee Organising the Electrical Connection 000005 Earthing the TN Off Grid System 0 0 000 e eee Earthing the TT Off Grid System 00000 e eee Fanning Ne DANEl yo oes snie icici bene haute ean Connecting the BatFuse to the Off Grid Inverter Installing Protective Devices for DC Sources CONME GING Py2 7 645 5 a ine wie ere ernie Bt Actus eE Aine Installation Manual SI80H 60H OffGrid lA en 1 1 Table of Contents Table of Contents 6 9 6 10 6 1 6 12
7. Requirements for operation on the electricity grid The off grid inverter does not meet the requirements for operation on the electricity grid in many countries e Ensure that the local standards and requirements are met 10 3 Generator and Electricity Grid as External Energy Sources You can implement a combination of the electricity grid and a generator as an energy reserve This is particularly useful in the case of long term grid failures where the battery capacity is no longer sufficient to bridge the grid failure after a period of time For long term grid failures you can switch to the generator Installation Manual SI80H 60H OffGrid lA en 1 1 129 10 External Energy Sources in the Off Grid System SMA Solar Technology AG The generator and electricity grid cannot feed electricity into the off grid system at the same time An external automatic transfer switch is required to use a generator and the electricity grid The off grid inverter does not have an integrated automatic transfer switch 10 4 Synchronisation of the Stand Alone Grid to the External Energy Source Synchronisation allows the off grid inverter to switch the stand alone grid to the external energy source If an external AC voltage is present at the off grid inverter the off grid inverter synchronises the stand alone grid to the external AC voltage When the stand alone grid is synchronised to the external energy source the off grid inverter closes its internal tra
8. e Determine the C10 battery capacity specified by the battery manufacturer MM You were able to determine the C10 battery capacity x You were not able to determine the C10 battery capacity e Estimate the C10 battery capacity based on other discharge times This will provide a value that is probably sufficient for commissioning Discharging time Estimation 120h C10 C120 1 28 100 h C10 C100 1 25 20h C10 C20 1 09 10h C10 Cl10 e Contact the battery manufacturer at the next convenient opportunity ask for the C10 battery capacity and set the correct battery capacity in QCG as soon as possible Proceed here in the same manner as if you were replacing the battery Replacing the battery see off grid inverter operating manual Installation Manual SI80H 60H OffGrid lA en 1 1 75 7 Commissioning SMA Solar Technology AG 7 4 2 Starting the Quick Configuration Guide The Quick Configuration Guide QCG is used to configure the settings required for operation Step by step the QCG queries the required settings for the off grid system Parameters for a cluster are set centrally on the master All slaves take on this configuration automatically i Configuration of the off grid system using the QCG The off grid inverter that is connected to a Sunny Remote Control when starting to configure a new off grid system automatically becomes the master e During configuration only the master may be connected to a Sunny Remote Contro
9. page 90 Note the ExtPwrDer value Installation Manual SI80H 60H OffGrid lA en 1 1 65 6 Electrical Connection SMA Solar Technology AG 6 28 Connecting the Auxiliary Contact of the Transfer Switch Electricity grid Transfer switch Figure 22 The transfer switch switches between the electricity grid and the generator The position of the transfer switch is queried by means of the auxiliary contact If you are using a combination of electricity grid and generator as external energy source connect the transfer switch as follows 66 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection NOTICE Destruction of the off grid inverter due to abrupt switching from electricity grid to generator and vice versa e Ensure that the off grid inverter is disconnected from the electricity grid and the generator for at least five seconds between all switching operations e Contact the SMA Service Line if you require a switching concept for a transfer switch i Requirements for operation on the electricity grid The off grid inverter does not meet the requirements for operation on the electricity grid in many countries e Ensure that the applicable local standards and requirements are met Additionally required material not included in scope of delivery O 4 bootlace ferrules Connect the electricity grid and generator to the transfer switch 2 Connect the AC2 terminal of the off gr
10. x Is the value The communication interface is not plugged into the interface slot correctly e Ensure that the communication interface is plugged into the SISysCan interface slot e Ensure that the communication interface has been installed correctly see the SISYSCAN NR mounting instructions 3 To test the installation of the RS485 SICOMSMA BGx communication interface select the 312 16 ComMod2 parameter and read off the value M The value is SI CComSma Is the value 2 The communication interface is not plugged into the interface slot correctly see the mounting instructions for the communication interface e Ensure that the communication interface is plugged into the SiComSma interface slot e Ensure that the communication interface has been installed correctly see the SL COMSMA NR mounting instructions Installation Manual SI80H 60H OffGrid lA en 1 1 115 7 Commissioning SMA Solar Technology AG 7 24 2 Starting the Off Grid System Requirement O All off grid inverters must be switched on l If no functional test has been completed yet switch off all miniature circuit breakers and switch disconnectors for the AC sources in the sub distributions Press the start stop button on the off grid inverter and hold it until you hear a signal or Press and hold the button on the Sunny Remote Control until you hear a signal f The inverter LED is glowing green on every off grid inverter
11. 6 13 6 14 6 15 6 15 1 6 15 2 6 15 3 6 15 4 6 15 5 6 15 6 6 15 7 6 15 8 6 15 9 6 16 6 17 6 18 6 19 6 20 6 2 6 22 6 23 6 24 SMA Solar Technology AG Connecting the Stand Alone Grid Multicluster Box 40 Connecting an External Energy Source 005 A3 nseningyRIIGPFUGS1 436 Soostot ieee ole eels ee buae eens 44 Installing Protective Devices for Loads 05 44 Installing Protective Devices for AC Sources in the Stand AINS Grid lt s2 00sabevenadtaceusaiede TEER EIEE 45 Installing Protective Devices for a Generator 45 Connecting the Communication 00 0000 e ee aee 45 Removing the Cable Feed Through Plate n nnnnnaaa nnana 45 Connecting the Sunny Remote Control 0 00 0 cc cece eee 46 Connecting the Cable for Internal Communication between Clusters 46 Connecting the Communication to the Sunny Island Charger 50 47 Connecting the Communication of the Multicluster Box 05 47 Connecting Control and Measuring Cables for M liclusler Oko tiSedtuens oo ol a tae een AA 48 Connecting the Cable for Multicluster Communication 48 Connecing RSACS eiee aeee N A EEAO 49 Installing the Cable Feed Through Plate n n nananana anaana 51 Connecting the Battery Temperature Sensor 52 Connecting the Battery Current Sensor 05 53 Assignment of Multi Function Relay 0 00005 54 Connecting Con
12. For multicluster systems check whether the value of the 111 06 TotMccLodPwr parameter corresponds to the connected active power of the loads If the power shown is too high rectify the defective load or fault in the wiring 8 Stop the generator see the operating manual for the off grid inverter Installation Manual SI80H 60H OffGrid lA en 1 1 117 7 Commissioning SMA Solar Technology AG 7 24 5 Testing Load Shedding If load shedding is present you must carry out the following steps Requirements O 0O O 5 118 All miniature circuit breakers in all sub distributions must be switched off All loads must be switched off The off grid inverter must be in operation see Section 7 24 2 Starting the Off Grid System page 116 Switch to installer mode see Section 7 5 Note the set limiting values for load shedding e Select the 242 01 Lod1SocTm1 Str parameter and note its value e Select the 242 03 Lod1SocTm2Str parameter and note its value e Select the 242 07 Lod2SocTm1 Str parameter and note its value e Select the 242 09 Lod2SocTm2Str parameter and note its value Connect the miniature circuit breakers of the AC loads in the sub distribution This discharges the battery The battery cannot be recharged because all sources are switched off Connect the loads and wait until the load shedding contactor discards the loads Tip Select the 120 01 BatSoc parameter and compare the state of charge with the configu
13. Messages One of the following events and warning messages can be displayed for each multi function relay e The generator is running and is connected e Voltage and frequency of the electricity grid are within the range for connection e An off grid inverter displays an error message of level 2 or higher Only the error messages within a cluster are evaluated i Different control logic for error messages of level 2 or higher e f an error message of level 2 or higher is present the multi function relay switches to the NC position e If no error message is present the multi function relay switches to the NO position This ensures that the error message will also be displayed in the case of automatic shutdown e An off grid inverter outputs a warning Only the warnings within a cluster are evaluated here e The off grid inverter cluster is in operation e The off grid inverter an off grid inverter in the cluster is in derating mode If you display the states of the off grid inverter with a multi function relay connect the message devices as follows 1 Connect the control to the multifunction relay see Section 6 18 Assignment of Multi Function Relay page 54 2 Enter the function of the multi function relay used in the configuration table see Section 7 10 1 Use of the Multi Function Relays page 90 Note one of the following values here Value Output The generator is running and is connected GdOn Voltage and frequen
14. The generator management starts the shut off the generator delay During the shut off delay time the generator management cannot request the generator again and the off grid inverter cannot connect the stand alone grid to the generator again The off grid inverter stops the generator The generator management starts the minimum stop time The off grid inverter cannot start the generator Manual starting on the off grid inverter is not possible either The generator management cannot request the generator The generator management can request the generator The generator can be started on the off grid inverter SI80H 60H OffGrid lA en 1 1 135 10 External Energy Sources in the Off Grid System SMA Solar Technology AG 10 9 2 Operating Procedure for Generators without an Autostart Function Event or state Internal transfer relay The generator The off grid inverter controls a signal generator Open the management requests the The signal generator indicates when you should stand alone grid is generator start the generator not connected to You start the generator The generator starts the generator e g with a cable pull The generator voltage builds up You close the switch The generator is connected to the off grid disconnector between the inverter generator and the off grid inverter The generator voltage is The generator management starts the warm up within the configured time limitin
15. battery bank Break through the cable feed through plate at a suitable position using a sharp object 2 Lead both wires of the battery temperature sensor through the hole in the cable feed through plate into the off grid inverter 3 Connect the wires to the BatTmp terminal using the 4 pole terminal torque 0 5 Nm 0 6 Nm The polarity does not matter here 52 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection 6 17 Connecting the Battery Current Sensor If you are using a battery current sensor connect it as follows Battery BatFuse Off grid inverter DC DC Battery current sensor BatCur BatCur Figure 17 Connection of the battery current sensor to the off grid inverter Requirements O Measuring cables for intrinsically safe electric circuits must be used In this context intrinsically safe means that the cable is double insulated and that in the event of a short circuit the conductor melts but the insulation remains intact In addition the cable is not combustible LJ The wires in the measuring cable must be twisted together Install the battery current sensor on the DC power cable between the battery and BatFuse Break through the cable feed through plate at a suitable position using a sharp object Strip the insulation from the measuring cable and press the bootlace ferrules onto the two wires oe Lead the measuring
16. 0 cee ee 110 Changing the Generator Request Depending on the Charging Process of the Battery 000 ccc cece eee 110 Setting the External Generator Request 00 0c cece eee 111 Setting the Procedure in the Event of an Aborted Start ot he Ceneralons s sisisi sad erin detwatasweguesanies 111 Changing the Current Limiting Values for the Electricity Grid 112 Changing the Sleep Mode 2 0 ce cece eee 112 Setting the Search Mode 00 0 0 c eee cece nee 113 Setting the Silent Mode oc cag aren nies Saeeergh at Raman nak 114 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 23 7 24 7 24 7 24 2 7 24 3 7 24 4 7 24 5 7 24 6 7 25 7 26 8 8 8 2 8 3 8 4 9 9 1 9 1 1 9 1 2 TAS 9 2 921 9 2 2 9 2 3 10 10 1 10 2 10 3 Changing the Automatic Frequency Synchronisation PUNCHONGN NCSD an cde a aad 12s Geenua ween ne Bea E S Testing Communication Interfaces 0 0c eee ee Starting the Off Grid System 0 cc eee eee eee Testing the Battery Current Sensor 0 0 c ccc eee nen Testing the Generator ete ten ke as 28 naths ove daelea etn ahd siete hates Testing Load Shedding lt 32 0 2 i0nacecespiticiediiotsknbet eben Testing the Frequency Shift Power Control 0000 cee eens Charging ine Balletyes sf scccueorsess ceded id Shmoaee os Completing Commissioning 0 0000 e cece eee DECOMMISSIONING 4 3654s oa ws Dis
17. 1x battery and 2 x Sunny Island Charger 50 1 x auxiliary voltage output with 8 A Batfuse B 03 250 A 2 pin LV HRC battery fuse switch disconnector BATFUSE B 03 size 1 for up to 3 offgrid inverters 6 x DC input 2 x battery and 4 x Sunny Island Charger 50 1 x auxiliary voltage output with 8 A Load shedding 3 pin load shedding contactor with 48 V DC coil SI LSXX contactor for off grid inverter The load shedding contactor is available in several versions You can obtain more information from SMA Solar Technology AG or your specialist dealer Sl Shunt Battery current sensor SI SHUNTXXX The battery current sensor is available in several versions You can obtain more information from your specialist dealer or SMA Solar Technology AG Sunny Island PV charge controller for off grid systems SIC50 MPT Charger 50 Smart Load 6000 Adjustable dump load SL6000 SILCOMSMA BGx RS485 communication interface SI COMSMA NR SI SYSCAN BGx Communication interface for communication SI SYSCAN NR between clusters in a multicluster system Installation Manual SI80H 60H OffGrid lA en 1 1 143 12 Technical Data SMA Solar Technology AG 12 Technical Data 12 1 Sunny Island 8 0H AC1 Connection Stand Alone Grid Dinka powbsiresy an For every 1 000 W of power of the wind power inverters the maximum connectable power of the PV inverters decreases by 2 000 W 144 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 12
18. 2 Changing the Voltage Limiting Values for the Generator Significance of the voltage limits The voltage limiting values determine the range within which the generator voltage is allowed to fluctuate When the off grid inverter switches to the generator the stand alone grid will also fluctuate within this range A breach of the set voltage limiting values leads to disconnection of the generator to disconnection of the line conductor from the stand alone grid or to the generator not being switched on 1 Switch to expert mode see Section 7 6 2 Select the 234 01 GnVtgMin parameter and set it to the minimum generator voltage 3 Select the 234 02 GnVtgMax parameter and set it to the maximum generator voltage 7 14 3 Changing the Frequency Limiting Values of the Generator Voltage Significance of the frequency limits The frequency limiting values determine the range within which the frequency of the generator voltage is allowed to fluctuate When the off grid inverter switches to the generator the stand alone grid will also fluctuate within this range A breach of the set frequency limiting values leads to disconnection of the generator to disconnection of the line conductor from the stand alone grid or to the generator not being switched on Switch to expert mode see Section 7 6 2 Select the 234 04 GnFrqNom parameter and set it to the rated frequency of the generator voltage 3 Select the 234 05 GnFrqMin parameter and set
19. 7 21 Setting the Search Mode Search mode makes it possible to save energy At regular intervals the off grid inverter checks whether loads are connected to the off grid system If the off grid inverter does not detect any loads it switches to energy saving mode As soon as a load is connected the off grid inverter exits energy saving mode and switches to inverter operation i Detection of loads in a three phase system In a three phase system each off grid inverter automatically activates energy saving mode independently for each line conductor In a three phase system the off grid inverter does not identity loads as loads when they are connected using delta connections Requirement C For single phase parallel systems sleep mode must be activated 1 Switch to installer mode see Section 7 5 2 Select the 250 31 SearchMod parameter and set it to the desired value Search mode is deactivated Search mode is activated with no interruptions Search mode is activated only in the set time interval 3 Switch to expert mode see Section 7 6 to change the sensitivity of the detection of loads or to control the search mode in a time controlled manner 4 To change the sensitivity select the 250 32 SearchModSns parameter and set it to the desired value Explanation Very High Highest sensitivity High sensitivity P lt 15 W Middle Middle sensitivity P lt 20 W slow Low sensitivity P lt 30 W Lowest sensiti
20. 7 5 2 Select the 234 09 GnStpTmMin parameter and set it to the desired value 7 17 Configuring the Generator Request 7 17 1 Changing the Automatic Generator Mode Significance of Automatic Generator Mode In automatic generator mode generator management specifies when and for how long the generator will run depending on the configuration 1 Switch to installer mode see Section 7 5 2 To deactivate automatic generator mode select the 235 01 GnAutoEna parameter and set it to Disable 3 To activate automatic generator mode select the 235 01 GnAutoEna parameter and set it to Enable 106 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 17 2 Changing the State Of Charge Dependent Generator Request Significance of the SOC limiting values If the battery reaches the lower SOC limiting value the generator management requests the generator If the battery reaches the upper SOC limiting value during recharging generator management resets this generator request 1 Switch to installer mode see Section 7 5 2 Select the 235 03 GnSocTm1 Str parameter and set it to the lower SOC limiting value 3 Select the 235 04 GnSocTm1 Stp parameter and set it to the upper SOC limiting value 4 Set the 235 07 GnTm1 Str and 235 08 GnTm2Str parameters to the same value e g both to 000000 This deactivates the time dependent generator request 7 17 3 Setting Time Dependent Generator Reques
21. 9 Installing the Cable Feed Through Plate 1 Select two cable support sleeves with a suitable number of openings 2 Open the cable support sleeves and lay the cables in the cable support sleeve 3 Open the cable feed through plate and insert the cable support sleeves into the cable feed through plate Position the flat side of each cable support sleeve on the flat sides of the cable feed through plate Installation Manual SI80H 60H OffGrid lA en 1 1 5 6 Electrical Connection SMA Solar Technology AG 4 Hold the cables in position and push the cable feed through plate towards the enclosure opening of the cable feed through plate 5 Hook the cable feedthrough plate into the enclosure opening of the cable feed through plate and push it into the enclosure opening 6 16 Connecting the Battery Temperature Sensor i Battery temperature sensor in a cluster Only the master measures the battery temperature in a cluster e Connect the battery temperature sensor only to the master NOTICE Damage to the battery due to excessive charging voltage Due to incorrect temperature measurements the off grid inverter charges the battery with an incorrect charging voltage e Connect only the battery temperature sensor supplied e Attach the battery temperature sensor at the centre of the battery bank in the upper third of the battery cell The battery temperature sensor will then measure the warmest point in the
22. A signal sounds and the QCG configures slave 1 Wait until the Sunny Remote Control displays To identify Slave2 press Tss on the Slv For a single cluster system with one slave press the button M The off grid inverter switches to standard mode and the QCG is terminated Configuring slave 2 e Wait until the inverter LED of slave 2 is flashing e Press the start stop button on slave 2 M A signal sounds and the QCG configures slave 2 Press the button on the Sunny Remote Control MM The off grid inverter switches to standard mode and the QCG is terminated SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 4 4 Configuring Multicluster Operation Configure Multicluster operation with the QCG on the Sunny Remote Control You configure the individual clusters one by one Requirements O 00 g The Sunny Remote Control must be connected to the master No Sunny Remote Control must be connected to the slave The QCG must have been started All off grid inverters must be switched on but not in operation Turn the button to the right and select ER i i New System HELGE OF Press the button Turn the button to the right until Y is flashing and press the button This confirms your selection of New System Setting the date Select the 003 04 Dt parameter and press the button e Set the day and press the button e Set the month and press the b
23. Generator and Electricity Grid 130 Generator Management of the Off Grid Inverter 131 Generator Management Tasks 1 0 2 0 000s cee eaaa 131 Conditions for Generator Requests n unanuia annanru 131 Generdior RUM IME Sess a6 0 terta nE iea a ea E E Bae eS 132 Electrical Limiting Values for the Generator 000 c eee eee 133 Operating Modes for the Generator 004 133 Operating Procedure for Generator Control 134 Operating Procedure for Generators with Autostart Function 134 Operating Procedure for Generators without an Autostart Function 136 Operating Procedure for Generators with GenMan 5 138 Grid Managemen ox a 5 2 c e enngunereeeens die 544 0 aes 140 Tasks of Grid Management 25 si0 b renter cid diae mene bedeecwe cd 140 Electrical Limiting Values for the Electricity Grid 0 0 0 0005 140 Request Conditions for the Electricity Grid 00 00 e eee 14 Operating Modes for the Electricity Grid 14 Operating Procedure for Grid Control 142 PCCESSOMICS eese stated edd ues Saeud eae en 143 Technical Date sicsertaies vie bee cece sass hee swat 144 SUN MY iland 80H ct 2 aii cour tanec sranna eaten ate 144 Sunny Islnd OM nerves seen eno ee keith eds bik 149 RS ORM CE i espa woscpnca ie Sad nla a be Rice tad hepsi tack 154 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG
24. Off grid inverter Cable length Installation Manual SI80H 60H OffGrid lA en 1 1 37 6 Electrical Connection SMA Solar Technology AG Additionally required material not included in scope of delivery C1 2 x M8 terminal lug not wider than the outer diameter of the cable Cable requirements O Conductor cross section 50 mm 95 mm LJ Maximum cable length 10 m O Core cross section 14 mm 25 mm Requirement O The battery voltage must correspond to the battery voltage of the off grid inverter see Section 12 Technical Data page 144 O The DC cables must be firmly surface mounted with no plastic installation ducts This will allow for sufficient heat dissipation LI Fora single phase parallel single cluster system the cable length and the conductor cross section must be the same between every off grid inverter and the BatFuse 1 Select an LV HRC fuse link size 1 for the BatFuse Off grid inverter Fuse link 2 Ensure that the switch disconnector of the BatFuse is open and secured against reconnection Unscrew all screws of the enclosure lid and remove the enclosure lid The screws and conical spring washers must be safely stored 4 Clean the contact surfaces of the DC and DC terminals with ethanol for example This reduces the transition resistance on the contact surfaces A low transition resistance increases the system stability and minimises the risk of damage to the off grid inverter Strip the insu
25. SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 9 Battery Management If the maximum permitted battery temperature is exceeded the off grid inverter switches off Once the battery has cooled down to a specified temperature the off grid inverter starts again 9 2 Charge Control 9 2 1 Charging Phases Constant Constant voltage phase Float charge Silent mode Constant current phase voltage phase Voltage current P gt 1 d gt Time i Apt mBoost 120 min SilentTmFlo 3 h ChrgVtgBoost 2 4 V ChrgVtgFlo 2 25 V 4 AptTmFul 5h SilentTmMax 12 h ChrgVtgFul 2 4 V AptTmEqu 10 h ChrgVtgEqu 2 4 V I I I I I i Pm I I 1 Figure 29 Charging phases of the off grid inverter The off grid inverter controls battery charging in three phases as follows e Constant current phase I phase bulk phase Constant voltage phase absorption phase Uo e Float charge There is also the idle phase in the case of electricity grid operation with activated silent mode Constant Current Phase The aim of the constant voltage phase is to reach the full battery voltage In the constant current phase battery management initially increases the current until one of the following values has been reached e Maximum charge current of battery e Rated current of the external energy source e Maximum AC charge current of the off grid inverter Installation Manual S
26. Section 7 8 Display of events and warning Every multi function relay can display one event or one warning messages message see Section 6 24 Control of a battery room fan If the charging current leads to the emission of gases from the battery the multi function relay switches to the NO position The connected battery room fan is switched on for at least one hour Control of an electrolyte pump Depending on the battery cycles the multi function relay switches to the NO position at least once a day Use of excess energy During float charging a multi function relay switches to the NO position and thus controls additional loads which can put any excess energy to good use 54 SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection If you are using a multi function relay always connect it as follows i Assignment of the multi function relays of the slaves In case of a fault the multi function relays of the slaves switch less reliably than the multi function relays of the masters If a fault occurs the slaves wait for error confirmation from the master Additionally required material not included in scope of delivery O 2 bootlace ferrules Requirements O The technical requirements of the multifunction relay must be met see Section 12 Technical Data page 144 LJ Conductor cross section 0 2 mm 2 5 mm 1 Break through the cable feed through plate at a suita
27. Strip 13 mm of insulation off the PE 4 Lead the cable through the cable gland into the off grid inverter J Insert the PE into the AC1 Loads SunnyBoys PE terminal as far as it will go and move the lever downward 6 Tighten the swivel nut of the cable gland 6 9 Connecting the Stand Alone Grid Multicluster Box Connect the AC loads and the grid parallel AC sources e g PV inverter to the AC1 terminal of the off grid inverter via an AC sub distribution In the case of a multicluster system the Multicluster Box is the distribution board that is connected to the AC1 terminal The AC1 terminal is single phase AO SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection A WARNING Danger to life due to fire In case of a short circuit the short circuit currents from the external energy source flow through the unprotected cables between the off grid inverter and the AC sub distribution e Ifthe fuse of the external energy source is rated higher than the fuse in the AC sub distribution dimension the cable to match the fuse of the external energy source The cable to the AC sub distribution should be dimensioned at least to match the feed in capacity as You do not need to take the AC sources in the stand alone grid or the off grid inverters into account when considering cable protection as their design inherently prevents them from damaging the cables if a short circuit occurs Conne
28. cable through the hole in the cable feed through plate into the off grid inverter 5 Connect the wires to the BatCur and BatCur terminals using the 4 pole terminal torque 0 5 Nm 0 6 Nm 6 Connect the BatCurt measuring wire to the BatFuse BatFuse L L side on the battery current sensor see oe Batt me TT attery AS er Installation Manual SI80H 60H OffGrid lA en 1 1 53 6 Electrical Connection SMA Solar Technology AG 7 Connect the BatCur measuring wire to the battery BaiFuse L DC side on the battery current sensor 6 18 Assignment of Multi Function Relay Possible function output Explanation Controlling generators In case of a generator request the multi function relay switches to the NO position With the multi function relay you can control generators with electrical remote start function or connect a signal generator for generators with no autostart function Control of load shedding Depending on the state of charge of the battery the multi function contactors relay switches to the NO position Depending on the configuration you can install 1 level load shedding with one multi function relay or 2 level load shedding with two multi function relays You can also adjust the limiting values for the state of charge of the battery depending on the time of day Time control for external The multi function relays can be switched in a time controlled processes manner see
29. current state of charge is less than 70 of the available charging capacity Battery management switches from float charge to the constant current phase If the stand alone grid is connected to the electricity grid battery management can also switch from float charge to energy saving mode Energy Saving Mode In energy saving mode the off grid inverter switches to standby thus saving energy If a set time for float charging has elapsed for grid backup systems battery management switches to energy saving mode and the stand alone grid is supplied only by the electricity grid and the AC sources in the stand alone grid The off grid inverter exits energy saving mode at configurable time intervals or when the battery voltage per cell drops by 0 14 V see Section 7 22 Setting the Silent Mode page 113 In this way the battery always remains fully charged If the electricity grid fails in energy saving mode the off grid inverter provides a stand alone grid within seconds 126 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 9 Battery Management 9 2 2 Charging Processes For transition to the constant voltage phase battery management chooses one of the following three charging processes e Boost charge e Full charge e Equalisation charge Boost charge For boost charge a high charging voltage is applied to the battery The battery is charged to 85 to 90 of the currently available battery capacity within a shor
30. e Lead the other end of the RJ45 data cable through the enclosure opening of the cable feed through plate of slave 2 and plug it into the ComSyneln socket e Leave the terminator plugged into the ComSyncOut socket of slave 2 46 SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection 6 15 4 Connecting the Communication to the Sunny Island Charger 50 Up to four Sunny Island Charger 50 devices can be connected to an off grid inverter master If a Sunny Island Charger 50 is present in the off grid system connect the communication as follows Requirements C The total length of the communication bus must not exceed 30 m L1 The cable feed through plate must be removed see Section 6 15 1 If a terminator is plugged into the ComSyncln socket on a master remove the terminator 2 Lead the RJ45 data cable through the enclosure opening of the cable feedthrough plate and plug it into the ComSyneln socket 3 Ensure that a terminator is plugged into the ComSyncOut socket or that other off grid inverters are connected 4 Connect the other end of the RJ45 data cable to a Sunny Island Charger 50 see Sunny Island Charger 50 installation manual 6 15 5 Connecting the Communication of the Multicluster Box For a multicluster system the Multicluster Box communicates with the master of the main cluster via a black RJ45 data cable The black RJ45 data cable is part of the scope of delivery of the Multic
31. extends its electrical endurance The output power of the off grid system for supplying the loads increases to the total of the generator power and the power of the off grid inverter This improves the system stability The load is the calculated average output power of the off grid inverter Loads in the three phase off grid system The generator management considers the total load of all line conductors It does not monitor individual line conductors in the three phase off grid system If the switch on power limit is exceeded for one line conductor the generator management requests the generator Time sequence of load dependent generator request If the switch on power limit is reached the generator management requests the generator If the load then reduces to the switch off power limit generator management resets the generator request after the minimum run time Generator management calculates the average load during the averaging time 235 12 GnPwrAvgTm The greater the averaging time that you set the less generator management reacts to load peaks Generator run times The warm up minimum and shutoff delay times are adhered to after the generator start The power from the generator is not immediately available in the stand alone grid Each start also means that the generator runs for at least the warm up time minimum run time and shut off delay time Switch to expert mode see Section 7 6 2 Select the 235 09 GnPwrEna parameter
32. of 2 level load shedding Load shedding is only stopped when the battery has been sufficiently charged Autolod2Soc Setting for the second level of 2 level load shedding Load shedding is only stopped when the battery has been sufficiently charged MccAutolod Setting for additional 1 level load shedding in a multicluster system Load shedding is only stopped when the batteries of the extension cluster have been sufficiently charged 9 Repeat steps 1 to 9 for two level load shedding Connect the second load shedding contactor to an unused multi function relay 6 23 Connecting the Time Control for External Processes The off grid inverter master has two timers for time dependent control of external processes For each timer you can set the starting day and time that the multi function relay is to be switched once daily or weekly If you wish to control external processes with an off grid inverter in a time dependent manner connect the control as follows 1 Connect the control to the multi function relay see Section 6 18 Assignment of Multi Function Relay page 54 2 Enter the function of the multi function relay used in the configuration table see Section 7 10 1 Use of the Multi Function Relays page 90 Note the TM1 value for timer 1 or the TM2 value for timer 2 62 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection 6 24 Connecting Message Devices for Events and Warning
33. of the off grid system battery management requires a few charging cycles before it can measure the currently available battery capacity with sufficient accuracy For this reason battery management initially uses the rated capacity specified in the QCG Automatic correction of the currently available battery capacity The available capacity of a battery falls significantly at temperatures of 20 C and below Battery management corrects the currently available battery capacity by 1 per C 9 1 2 Current State of Charge Battery management reports the current state of charge SOC of the battery Estimated error of the state of charge The estimated error of the state of charge provides information concerning the accuracy of the current calculation of the state of charge of the battery The deviation between the displayed state of charge and the actual value decreases with every charging procedure 9 1 3 Battery Temperature Battery management continuously monitors the battery temperature The off grid inverter adjusts the reported currently available battery capacity and the charging voltage based on the current operating battery temperature see Section 9 2 3 Automatic Temperature Compensation page 128 Battery management issues a warning message if one of the following events occurs e The battery temperature is within 5 C of the maximum permissible battery temperature e The battery temperature is less than 10 C 124
34. request Figure 23 External generator request closes the relay if the generator is to be requested example If the generator ist to be requested externally connect the control as follows Additionally required material not included in scope of delivery O 4 bootlace ferrules Break through the cable feed through plate at a suitable position using a sharp object 2 Strip the insulation from the cable of the external generator request and press the bootlace ferrules onto the two wires 3 Lead the cable through the hole in the cable feed through plate into the off grid inverter 4 Connect one wire to the BatVtg terminal with the 4 pole terminal torque 0 5 Nm 0 6 Nm 5 Connect one wire to the DigIn terminal with the 4 pole terminal torque 0 5 Nm 0 6 Nm 6 Connect the BatVtg terminal to the DigIn terminal torque 0 5 Nm 0 6 Nm Use the same conductor as in the control cable 68 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 Commissioning 7 1 Sequence for Commissioning ee Close the offgrid inverter If present Inverter installation manual Ensure that the country data sets of the PV inverters and wind power inverters are set to stand alone grid operation 4 If present Sunny Island Charger 50 Commission the Sunny Island Charger 50 installation manual If present GenMan installation ra caer the oa lt lt manual 5 Carry out QC
35. the 234 07 GnStrMod parameter and set it to Manual 4 Ifthe generator is controlled using GenMan select the 234 07 GnStrMod parameter and set it to GenMan 7 16 Configuring Generator Run Times 7 16 1 Changing the Warm Up Time for the Generator Interrelationship between warm up time and abortion of generator start Generator management measures the time between the generator start and the beginning of the warm up time If a maximum time is exceeded generator management aborts the generator start The maximum time to start termination depends on the generator interface e If the 234 07 GnStrMod parameter is set to Autostart or Manual the maximum time to start abortion is double the warm up time plus an additional two minutes e If the parameter 234 07 GnStrMod is set to GenMan the maximum time to start abortion is ten minutes For certain generator types the generator only switches the voltage to the generator output after the internal warm up time has finished During this time the generator management cannot detect any valid generator voltage If the warm up time is set too low the generator management aborts the generator start before the internal warm up time of the generator has ended 1 Switch to installer mode see Section 7 5 2 For generators without internal warm up time e Select the 234 12 GnWarmTm parameter and set it to the desired warm up time 3 For generators with an internal warm up time e For generato
36. the lower SOC limiting value for the first interval 5 Select the 242 02 Lod1SocTm1Stp parameter and set it to the upper SOC limiting value for the first interval 6 Select the 242 03 Lod1SocTm2Str parameter and set it to the lower SOC limiting value for the second interval 7 Select the 242 04 Lod1SocTm2Stp parameter and set it to the upper SOC limiting value for the second interval 8 Ensure that the multifunction relay used for control is set to AutoLod1 Soc see Section 7 10 2 94 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 10 6 Setting Time Dependent 2 Level Load Shedding Time dependent load shedding divides the day into two intervals see Section 7 7 Setting Time Dependent Functions page 89 You need toset the SOC limits that apply for each interval for 2 level load shedding For example you can set that as far as possible no loads are to be disconnected from the stand alone grid during the day Significance of the SOC limiting values Two lower and two upper SOC limiting values are available for each interval for controlling the load shedding contactors The load shedding contactors disconnect the loads if the states of charge are as follows e When the state of charge of the battery reaches the first lower SOC limiting value the multi function relay opens the connected load shedding contactor for the first level of load shedding The load shedding contactor discon
37. 1 Information on this Document 1 Information on this Document Validity This document is valid for the following device types e 18 0H 10 e 18 0H 11 e I6 0H 10 e SI6 0H 11 Target Group This document is intended for skilled persons Only skilled persons are allowed to perform the tasks set forth in this document see Section 2 2 Qualification of Skilled Persons page 13 Additional Information Additional information is available at www SMA Solar com Document title Document type Battery Management in Off Grid Systems Technology Brochure 6 Symbols symbol A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING Indicates a hazardous situation which if not avoided could result in death or serious injury A CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE Indicates a situation which if not avoided can result in property damage i Information that is important for a specific topic or goal but is not safety relevant oOo Indicates an essential requirement for achieving a specific goal __ Desired resuh we A problem that might occur Installation Manual SI8O0H 60H OffGrid lA en 1 1 9 1 Information on this Document SMA Solar Technology AG Typographies Typography Usage Example e Display messages e Connect PE to AC2Gen Grid Parameters e Select parameter 235 01 GnAutoEna and s
38. 7 24 3 Testing the Battery Current Sensor If a battery current sensor is present you must carry out the following steps Requirement O Z 3 4 116 All miniature circuit breakers in the AC sub distribution must be switched off Connect the miniature circuit breaker of one load in the AC sub distribution Measure the battery current with a current clamp Switch to installer mode see Section 7 5 Select the 120 06 TotBatCur parameter and read off the value The value is positive and corresponds to the measured value Is the value not positive or does it not correspond to the measured value The value is negative because the poles of the measuring cables of the battery current sensor are reversed e Install the battery current sensor correctly see section 6 29 The value does not correspond to the measured value because the incorrect battery current sensor type has been set e Set the correct battery current sensor type see Section 7 13 Commissioning the Battery Current Sensor page 101 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 24 4 Testing the Generator If a generator is present you must carry out the following steps Requirements CL The miniature circuit breakers for the AC sources must be switched off in the AC sub distribution CL The miniature circuit breakers for DC sources must be switched off in the DC sub distribution O The off grid inv
39. G sSY out QCG Section Section 7 4 o Adjust and optimise the configuration Section 7 10 ae 7 23 7 Start the Start the offgrid system and check its functions system and check its functions Section 7 24 7 24 Charge the battery and complete commissioning Section 7 25 and Section 7 26 Installation Manual SI80H 60H OffGrid lA en 1 1 69 7 Commissioning SMA Solar Technology AG 7 2 Checking the Wiring Ensure that you carry out all tests relevant to the off grid system and rectify all detected problems Requirement CL The off grid inverter must be disconnected from voltage sources see Section 8 1 Procedure e Check earthing e Check additional earthing e Check the DC connection of the off grid inverter e Check the ACI and AC2 terminals e Check the connection of the generator e Check the control and measuring cables e Check the wiring of the communication products e Check the components of the off grid system Checklist for Earthing Check item Check criterion Not applicable Enclosure opening for PE Enclosure opening is sealed with a filler plug or M20 cable gland The core cross section of the cable must be 7 mm 14 mm for an M20 cable gland Conductor cross section of the If one PE wire is connected the conductor PE wires at the AC and AC2 cross section must be at least 10 mm2 If two barra wale PE wires are connected each conductor cross section must be at least 4 m
40. Hook the off grid inverter onto the wall mounting bracket Use the side recess grips or a steel rod to help you diameter maximum 30 mm Keep the off grid inverter horizontal when moving it 7 Attach the off grid inverter to the wall mounting bracket on both sides using M6x10 screws and an Allen key AF 5 torque 4 Nm 5 7 Nm The off grid inverter is thus prevented from being lifted off 8 Cover the recessed grips with the ventilation grids e Place the ventilation grid marked links left on the left recessed grip e Place the ventilation grid marked rechts right on the right recessed grip 9 In order to protect the off grid inverter against theft attach the off grid inverter to the wall at the bottom using two safety screws 10 Ensure that the off grid inverter is firmly in position Installation Manual SI8OH 60H OffGrid lA en 1 1 31 6 Electrical Connection SMA Solar Technology AG 6 Electrical Connection 6 1 Overview of the Connection Area A D OOQOQO00O OO0O00O0
41. Hz set 220V_60Hz and press the button e Confirm the line voltage and power frequency with Y SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 10 Setting the three phase off grid system e Select the 003 15 ClstType parameter and press the button Set 3Phs and press the button e Confirm the three phase off grid system with Y 11 Setting multicluster operation e Select the 003 16 Sys parameter and press the aaa ere button fee a e Set MultiClst and press the button e Confirm multicluster operation with Y 12 Setting the cluster for a main cluster e Select the 003 17 ClstMod parameter and press the button e Set MainClst and press the button e Confirm the type of the cluster with Y e Continue with step 14 Installation Manual SI80H 60H OffGrid lA en 1 1 85 7 Commissioning SMA Solar Technology AG 13 Setting the cluster for an extension cluster Select the 003 17 ClstMod parameter and press the button e Set ExtnClst and press the button e Confirm the extension cluster with Y e Select the 003 18 ClstAdr parameter and Foes press the button e Set the address of the extension clusters and press the button e g set the address of extension cluster 1 to 1 e Confirm the address of the extension clusters with Y e Continue with step 16 14 Setting the type of the Multicl
42. I80H 60H OffGrid lA en 1 1 125 9 Battery Management SMA Solar Technology AG The first value reached limits the charge current of the battery While the charge current remains constant the battery voltage increases with increasing state of charge The constant current phase ends when the cell voltage of the battery reaches the target value specified for the relevant battery type Constant Voltage Phase In the constant voltage phase battery management attempts to charge the battery fully In this phase the battery voltage remains constant while the battery current slowly reduces For the constant voltage phase battery management chooses one of the following three charging processes e Boost charge e Full charge e Equalisation charge The off grid inverter has a specified time for each charging process Once this time has elapsed the constant voltage phase ends The off grid inverter switches to float charge Float Charge The purpose of float charge is to maintain the battery in a fully charged state without overloading the battery At the beginning of float charge battery management reduces the charging voltage in steps until the target value specified for float charge has been achieved Battery management then maintains this charging voltage until the end of float charge Float charge ends when one of the following conditions is met e The total of all electric discharges of the battery has reached 30 of the rated capacity e The
43. P O N M L K Figure 12 Enclosure openings and connection areas of the off grid inverter Description DC terminal DC terminal Cable channel for DC cable iD Cable channel for DC cable E Connvriatontemind Communication terminal 32 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection Position Description Cable feed through plate Enclosure opening for DC Enclosure opening for DC Enclosure opening for PE Enclosure opening for AC2 Enclosure opening for AC1 ExtVtg connection B l AC1 terminal AC2 terminal No function 6 2 Sequence for the Electrical Connection Procedure Earth the off grid system Section 6 3 Section 6 4 If necessary Section 6 5 Earth the battery a Connect the BatFuse to the off grid inverter If a battery current sensor is present Install the battery current sensor on the DC power cable between the battery and BatFuse Connect the BatFuse to the battery BatFuse installation manual If present Sunny Island Charger 50 E esanenicugesownetarae aro a If DC sources are present Section 6 7 Eeee 8 Connect Connectthe PE PE Section 6 8 o 6 8 Install the AC cables for loads ie oD 10 If present Inverter installation manual Connect the PV inverters and the wind power inverters Connect the stand alone grid AC cables of the Multicluster Section 6 9 Box Installation Manual SI8O0H 60H OffGrid
44. Setting Time Control for External Processes If you wish to control external processes with time control set the multi function relay as follows Switch to installer mode see Section 7 5 2 To set timer 1 set the start date start time duration and repetition cycle e Select the 243 01 RlyTmr1StrDt parameter and set it to the desired start date Select the 243 02 RlyTmr1Str m parameter and set it to the desired start time Select the 243 03 RlyTmr1 Dur parameter and set it to the desired duration e Select the 243 04 RlyTmr1 Cyc parameter and set it to the desired repetition cycle e Ensure that the multi function relay used for control is set to Tm1 see Section 7 10 2 3 To set timer 2 set the start date start time duration and repetition cycle Select the 243 05 RlyTmr2StrDt parameter and set it to the desired start date Select the 243 06 RlyTmr2Str m parameter and set it to the desired start time e Select the 243 07 RlyTmr2Dur parameter and set it to the desired duration e Select the 243 08 RlyTmr2Cyc parameter and set it to the desired repetition cycle e Ensure that the multi function relay used for control is set to Tm2 see Section 7 10 2 96 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 10 8 Setting the Control of the Battery Room Fan If you wish to control a battery room fan set the multi function relay as follows Switch to installer mode see Sec
45. Technical Data AC2 Connection External Energy Source DC Connection Battery Rated input voltage 48 V 1 000 W of power of the AC sources in the stand alone grid Charge control IUoU charge procedure with automatic full charge and equalisation charge for every 1 000 W in PV plants Installation Manual SI80H 60H OffGrid lA en 1 1 145 12 Technical Data SMA Solar Technology AG Efficiency Maximum efficiency European weighted efficiency Efficiency Profile Efficency Vee 42 VDC V 48VDC V 54VDC 0 0 0 2 0 4 0 6 0 8 1 0 Output power Rated power Figure 30 Efficiency curve 146 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 12 Technical Data Self Consumption Self consumption in standby mode Self consumption in no load operation and in discharge mode lt 26 W without SRC 20 Self consumption in no load operation and in discharge mode lt 27 W with SRC 20 Noise Emission Noise emission typical A9 dB A Earthing Systems Protective Devices C ee overecogecoegoy eccodng e T dD Features Number of buttons Number of LEDs 3 Duo colour LEDs Display SRC 20 external user interface Number of interface slots a Installation Manual SI8O0H 60H OffGrid lA en 1 1 147 12 Technical Data SMA Solar Technology AG High level digital input 9V 63 V Low level digital input OV 3V Galvanically insu
46. ach other via an individual CAN bus An SISYSCAN BGx communication interface must be installed in each master for multicluster communication If you order off grid inverters with communication interfaces the off grid inverters will be delivered with communication interfaces already installed Installation Manual SI80H 60H OffGrid lA en 1 1 25 5 Mounting SMA Solar Technology AG 5 Mounting 5 1 Mounting Sequence Procedure See 1 Mount install the Multicluster Box if present Multicluster Box installation manual 2 Select the mounting location for the off grid inverter and mount Section 5 2 5 3 the off grid inverter 4 Mount the Sunny Remote Control Sunny Remote Control mounting instructions Install the battery and ensure that only skilled persons and Battery manufacturer s ria eee can enter the battery room Cr en 6 Mount BatFuse ss SsSCSY BatFuse BatFuse BatFuse installation manual manual Mount the main distributions and sub distributions Manufacturer s documentation If planned for the off grid system Inverter installation manual Mount the PV inverters and wind power inverters If the external energy source is a combination of electricity grid and generator Mount the transfer switch If planned for the off grid system Sunny Island Charger 50 Mount the Sunny Island Charger 50 devices installation manual If planned for the off grid system Manufacturer s Mount the generator documentation
47. al Data Width x height x depth 467 mm x 612 mm x 242 mm Operating temperature range m2 Ges TOU C Storage temperature range 25 Cag TZO 0 100 Protection class according to EC 62103 S Installation Manual SI80H 60H OffGrid lA en 1 1 153 13 Contact SMA Solar Technology AG 13 Contact If you have technical problems concerning our products please contact the SMA Service Line We require the following information in order to provide you with the necessary assistance Off grid inverter type Serial number of the off grid inverter Firmware version of the off grid inverter Indicated error message Type of battery connected Nominal battery capacity Nominal battery voltage Type of communication products connected Type and size of additional energy sources If a generator is connected Type Power Maximum current SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany www SMA de SMA Service Line Tel Fax 49 561 9522 399 49 561 9522 4697 E Mail Sunnylsland Service SMA de 154 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG Legal Provisions The information contained in this document is the property of SMA Solar Technology AG Publishing its content either partially or in full requires the written permission of SMA Solar Technology AG Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is a
48. and set it to Enable This activates load dependent generator request 3 Select the 235 10 GnPwrStr parameter and set it to the switch on power limit Select the 235 11 GnPwrStp parameter and set it to the switch off power limit 5 Select the 235 12 GnPwrAvgIm parameter and set it to the averaging time that the generator management uses to calculate the average power Installation Manual SI80H 60H OffGrid lA en 1 1 109 7 Commissioning SMA Solar Technology AG 7 17 5 Time Controlled Activation of the Generator When the generator is requested in a time controlled manner it is requested on certain days for a set duration see Section 7 8 Setting the Time Controlled Functions page 89 Select the 235 13 GnTmOpEna parameter and set it to Enable Select the 235 14 GnTmOpStrDt parameter and set it to the desired start date Select the 235 15 GnTmOpStrTm parameter and set it to the desired start time Select the 235 16 GnTmOpRnDur parameter and set it to the desired duration oP IN Select the 235 17 GnTmOpCyc parameter and set it to the desired repetition cycle Explanation Single generator request on the start date Daily generator request starting on the start date Weekly Weekly generator request starting on the start date The start date determines the weekday 7 17 6 Changing the Generator Request Depending on the Charging Process of the Battery Switch to expert mode see Section 7 5 2 To activate the generator fo
49. battery type with Y Setting the battery voltage e Select the 003 07 BatVtgLst parameter and press the button Set the battery voltage and press the button e Confirm the battery voltage with Y Setting the battery capacity e Select the 003 09 BatCpyNom parameter and press the button e Set the C10 battery capacity and press the button see Section 7 4 1 Determining the Battery Capacity page 75 e Confirm the battery capacity with Y Setting the line voltage and power frequency e Select the 003 14 AcVtgFrqTyp parameter and press the button e Fora line voltage of 230 V and 50 Hz set 230V_50OHz and press the button e Fora line voltage of 220 V and 60 Hz set 220V_60Hz and press the button e Confirm the line voltage and power frequency with Y Installation Manual SI8O0H 60H OffGrid lA en 1 1 79 7 Commissioning SMA Solar Technology AG 10 Setting a single phase or three phase off grid system Select the 003 15 ClstType parameter and press the button For a single phase off grid system set 1Phs and press the button For a three phase off grid system set 3Phs and press the button Confirm the off grid system with Y 11 Setting single cluster operation for a three phase off grid system Select the 003 16 Sys parameter and press the oS aR O SES i button wit ake oP E a ES E a A 4 E E Set SingleClst and press the button Con
50. ble position using a sharp object Strip the insulation from the cable and press bootlace ferrules onto the wires Lead the cable through the hole in the cable feed through plate into the off grid inverter 4 DIAN INT Ne Danger to life from electric shock due to incorrect insulation e Cut the silicone tube to the length of the cable e Pull the silicone tube over the cable M The cable is double insulated a N e Lead the cable into the off grid inverter making sure that it cannot touch any data cables Installation Manual SI80H 60H OffGrid lA en 1 1 55 6 Electrical Connection SMA Solar Technology AG 5 Connect the wires to the Relay or Relay2 terminals using the 3 pole terminal torque 0 5 Nm 0 6 Nm Explanation FNC In energy saving mode closed Change over contact NO In energy saving mode open 6 19 Connecting Control Cables for Autostart Generators Autostart generators are started and stopped by a contact i Generator control in a cluster Slaves control the generator less reliably than masters do e Connect the generator control only to the master e Ifthe off grid system is a multicluster system always connect the generator control to the master of the main cluster External generator Off grid inverter Figure 18 Connection of generator control to the off grid inverter If you are using an autostart generator connect the control as follows 1 Connect the control to the multi
51. ce see installation manual of the communication device 3 Fora single system lead the white RJ45 data cable through the enclosure opening of the cable feed through plate on the off grid inverter and plug the cable into the ComSmaln socket 50 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection 4 Forasingle cluster system lead the white RJ45 data cable through the enclosure opening of the cable feed through plate on the master and plug the cable into the ComSmalIn socket 5 Fora multicluster system connect the white RJ45 data cable and connect the masters to each other e Lead the white RJ45 data cable through the enclosure opening of the cable feed through plate on the master of the main cluster and plug the cable into the ComSmalIn socket e Remove the terminator from the ComSmaOut socket on the master of the main cluster e Lead the grey RJ45 data cable through the enclosure opening of the cable feed through plate on the master of the main cluster and plug the cable into the ComSmaOut socket e Lead the grey RJ45 data cable through the enclosure opening of the cable feed through plate on the master of the extension cluster 1 and plug the cable into the ComSmaln socket e Connect the other extension clusters with each other as described 6 Leave the terminator plugged into the unused ComSmaOut socket The communication bus is equipped with a terminating resistor at the end 6 15
52. ch disconnector and switch the off grid system on 7 14 Configuring the Limiting Values for the Generator Connection 7 14 1 Changing the Current Limiting Values for the Generator Significance of the current limit The generator management limits the consumption of generator current to the set maximum value In three phase off grid systems the generator current is limited for each line conductor individually The set value thus applies for each phase In off grid inverters that are operated in parallel the generator management only limits the total generator current The generator current may be unequally distributed between the off grid inverters If an off grid inverter fails for example more current will flow through the remaining off grid inverters as a result Each off grid inverter limits its own current to the maximum output current at the AC2 terminal Extended generator management If the set generator current is not sufficient to supply the loads the generator management requests additional current from the battery The off grid system then supplies the loads with generator current and battery current 1 Switch to installer mode see Section 7 5 2 Select the 234 03 GnCurNom parameter and set it to the desired value Tip A suitable value for the 234 03 GnCurNom parameter is 80 of the maximum generator current per phase 102 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 14
53. chnical requirements of the multifunction relay must be met see Section 12 Technical Data page 144 LJ Conductor cross section 0 2 mm 2 5 mm 1 Connect the signal generator to the multi function relay see Section 6 18 Assignment of Multi Function Relay page 54 Use the C and NO terminals 2 Enter the function of the multi function relay used in the configuration table see Section 7 10 1 Use of the Multi Function Relays page 90 Note the AutoGn value 6 21 Connecting GenMan to the Off Grid Inverter Generators that are controlled using GenMan have two control contacts one contact for the starter and one contact for ignition or pre heating i Connecting GenMan in a cluster Slaves control the GenMan less reliably than masters do e Connect the GenMan only to the master e In amulticluster system always connect the GenMan to the master of the main cluster GenMan Off grid inverter O w o D lt O O gt 0 O D a G O O Figure 20 Connection of the GenMan to the off grid inverter If you have installed a GenMan connect it as follows 58 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection Additionally required material not included in scope of delivery O 4 bootlace ferrules Cable requirement O 1 2 Conductor cross section 0 2 mm 2 5 mm Break through the cable feed through plate at a suitab
54. cluster operation is performed using the QCG on the Sunny Remote Control Requirements L The Sunny Remote Control must be connected O Ina cluster the Sunny Remote Control must be connected to the master L No Sunny Remote Control must be connected to the slave QO The QCG must have been started O All off grid inverters must be switched on but not in operation 1 Turn the button to the right and select New System 2 gt gt gt Don ou Press the button Turn the button to the right until Y is flashing and press the button This confirms your selection of New System 4 Setting the date e Select the 003 04 Dt parameter and press the yaa ea een gt buien TS Pe prnepf poesi i gp pin Set the day and press the button 78 Set the month and press the button Set the year and press the button Confirm the date with Y Setting the time Select the 003 05 TM parameter and press the button Set the hour and press the button Set the minutes and press the button Set the seconds and press the button Confirm the time with Y SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning Setting the battery type e Select the 003 06 BatTyp parameter and press the button e Ifthe battery type is FLA set FLA and press the button e If the battery type is VRLA set VRLA and press the button e Confirm the
55. cluster system each master must be connected to a Sunny Remote Control Error messages for the individual clusters are configured and displayed on the corresponding Sunny Remote Control Figure 8 Layout of the Sunny Remote Control Position Description __ Explanation A Display Four line display shows operating data e g operating state or display values and events warnings or errors of the off grid inverter The display backlight is automatically deactivated after a short time of inactivity Button Pressing the button will turn on the backlight acknowledge parameters or switch the level within a menu The return icon on the display indicates when you can perform an action by pressing the button Turning the button will switch on the backlight change parameters or navigate within a menu level 24 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG A Product Description 4 5 Communication The off grid inverter is equipped with two interface slots for the connection of SMA communication interfaces The SICOMSMA BGx communication interface is an additional RS485 interface on the off grid inverter You can connect the off grid inverter to the following products using RS485 e SMA communication products e g Sunny WebBox e PV inverters e Wind power inverters e Masters of extension clusters In a multicluster system the masters of the clusters must communicate with e
56. connecting the Off Grid Inverter from Voltage Sources Disassembling the Off Grid Inverter 000 Packing the Off Grid Inverter 0 000 c cee eee Disposal of the Off Grid Inverter 0 00000 ee Battery Management eeeeeccccccces Sidlevor he BANG essere rarer uenn deere eeyoestess Available Battery Capacity o a nananana cee een een Current Siate ot Charges io 2 doneec ache y ad eed hand e Baten Temperi UE erse t 4 a4 tebe ae Reese de eee eee 4 Charge ConiClwacctvs bhacetecdaeiaat da bbhoews dee Charging PNOSES 22 04 54 24 ee detain outed dol tessa Charging Processes sca ieonka taana E E EERE Automatic Temperature Compensation nanasa External Energy Sources in the Off Grid System Generator as an External Energy Source Electricity Grid as an External Energy Source Generator and Electricity Grid as External Energy Sources Installation Manual SI80H 60H OffGrid lA en 1 1 Table of Contents Table of Contents 10 4 10 5 10 6 10 7 10 7 1 10 7 2 10 7 3 10 7 4 10 8 10 9 10 9 1 10 9 2 10 9 3 10 10 10 10 1 10 10 2 10 10 3 10 11 10 12 11 12 12 1 12 2 13 SMA Solar Technology AG Synchronisation of the Stand Alone Grid to the External Energy Source nunana nananana naaran 130 Interactions between External Energy Sources and the Sand Alone Ord sysssssescerr Gon n a 130 Parameters for the
57. cting off grid inverters in single phase parallel single cluster systems Figure 13 Correct symmetric connection and incorrect asymmetric connection of off grid inverters Installation Manual SI8O0H 60H OffGrid lA en 1 1 Al 6 Electrical Connection SMA Solar Technology AG For a single phase parallel single cluster system the cable length and the conductor cross section must be identical from every off grid inverter to the AC sub distribution This will allow for stable and symmetric operation Cable requirements O O O Conductor cross section max 16 mm2 Conductor cross section for a three core cable and earthing with one protective conductor 10 mm 16 mm Conductor cross section for a three core cable and earthing with two protective conductors A mm 16 mm LI Core cross section 9 mm 18 mm Requirements Q Fora three phase system L1 must be assigned to the master L2 to slave 1 and L3 to slave 2 O P ee TO IS oe 42 This creates a right hand rotating magnetic field The power of the AC sources in the stand alone grid must be less than the maximum connectable power of the AC sources in the stand alone grid see Section 12 Technical Data page 144 The powers of the individual off grid inverters in a cluster are added to yield the total maximum power Move the levers of the AC1 terminal upward Attach the M25 cable gland to the AC1 enclosure opening using the counte
58. cy of the electricity grid are within the range for connection An off grid inverter displays an error message of level 2 or higher Warn An off grid inverter outputs a warning The off grid inverter is in operation The off grid inverter is in derating mode Installation Manual SI8O0H 60H OffGrid lA en 1 1 63 6 Electrical Connection SMA Solar Technology AG 6 25 Connecting the Control Cable for the Battery Room Fan If the charging current leads to the emission of gases from the battery the battery room fan is switched on by the off grid inverter for at least one hour If the battery room is ventilated by a battery room fan always connect the battery room fan as follows 1 Ensure that the battery room is sufficiently ventilated in the case of a malfunction of the multi function relay 2 Connect the battery room fan for single systems and single cluster systems e Connect the battery room fan to any multi function relay see Section 6 18 Assignment of Multi Function Relay page 54 e Enter the function of the multi function relay used in the configuration table see Section 7 10 1 Use of the Multi Function Relays page 90 Note the BatFan value 3 Connecting one battery room fan for all batteries for a multicluster system e Connect the battery room fan to any multi function relay in the main cluster see Section 6 18 Assignment of Multi Function Relay page 54 e Enter the function of the multi function relay us
59. d system acts as an energy reserve and supplies the stand alone grid with additional energy if insufficient energy is being supplied to the loads Possible generators Explanation Generators with autostart These generators are started and stopped with a single contact function Generators without autostart These generators do not have electric starting devices These function generators are started with a cable pull or a crank for example Generators that can be These generators have two control contacts one contact for the electrically remote started and_ starter and one contact for the ignition or for pre heating The do not have their own control GenMan generator manager is required for control GenMan is system generators with available from SMA Solar Technology AG as an accessory GenMan 10 2 Electricity Grid as an External Energy Source You can use the electricity grid in different ways e The electricity grid can be used as an energy reserve e The electricity grid can be the main supplier of the loads in the stand alone grid with the off grid system as a backup system In a backup system the electricity grid supplies the loads in the off grid system The off grid inverter switches to stand alone grid operation only when the electricity grid fails In stand alone grid operation the off grid inverter supplies the off grid system from the battery and the stand alone grid is not connected to the electricity grid i
60. ding on the charging process e Controlling the off grid inverter for switching the stand alone grid to the generator voltage see Section 10 4 Synchronisation of the Stand Alone Grid to the External Energy Source page 130 e Observing generator run times in order to prolong the generator s service life see Section 10 7 3 Generator Run Times page 132 e Protecting the generator against overload and backfeed see Section 10 7 4 Electrical Limiting Values for the Generator page 133 e Controlling the off grid inverters when disconnecting the generator e Supplying reactive power for the generator 10 7 2 Conditions for Generator Requests To adjust generator management to the requirements of the off grid system you can change the conditions for generator requests Generator request Explanation State of charge dependent Depending on the state of charge of the battery the generator generator request management requests the generator so that it will recharge the battery In this way the generator management prevents the battery from discharging too much Tip You can also configure the generator request depending on the time of day e g to avoid starting the generator at night where possible Load dependent generator If the consumption load in the stand alone grid exceeds a request configured limit generator management requests the generator The generator then supplies the loads This reduces the load on the battery I
61. documentation in a convenient place for future reference 2 2 Qualification of Skilled Persons Skilled persons must have the following qualifications e Training in off grid systems from SMA Solar Technology AG e Training in how to deal with the dangers and risks associated with installing and using electrical devices and batteries e Training in the installation and commissioning of electrical devices e Knowledge and observance of the local standards and directives e Knowledge and observance of this document and all safety precautions Installation Manual SI80H 60H OffGrid lA en 1 1 13 2 Safety SMA Solar Technology AG 2 3 Safety Precautions Electric Shock High voltages are present in the off grid system and in the off grid inverter The off grid inverter can start automatically from standby Observe the following safety rules before opening the off grid inverter e Switch off or disconnect the components in the following order Offgrid inverter All loads AC sources external energy sources and DC sources Miniature circuit breakers for AC sources and the external energy source in the sub distributions BatFuse switch disconnector e Ensure that the device cannot be reconnected e Open the enclosure lid and ensure that no voltage is present e Earth and short circuit the AC conductors e Cover or safeguard any adjacent live components Explosion Explosive gases may escape from the battery e Protect the surroundi
62. e This prevents overloading of the generator Frequency of generator voltage The limiting values for the frequency and the value of the generator voltage directly affect the power quality in the Value of generator voltage stand alone grid Maximum generator reverse Reverse power to the generator can occur if the AC sources in the power stand alone grid supply more current than the off grid system requires The generator is powered by the generator reverse power Depending on the generator reverse generator power results in the automatic disconnection instability or destruction of the generator You can set the active power for reverse power and the permitted time for reverse power If the reverse power exceeds the limiting values the generator management disconnects the generator from the stand alone grid This protects the generator 10 8 Operating Modes for the Generator The generator management distinguishes between manual generator mode and automatic generator mode Manual generator mode In manual generator mode you can control generators with an autostart function and generators with GenMan at any time using the Sunny Remote Control The following options are available for controlling the generator e Start the generator on the off grid inverter If you start the generator manually on the off grid inverter you must also stop the generator manually e Stop the generator on the off grid inverter e Start the
63. e control cable for the electrolyte pump for the ie battery 29 If present Section 6 27 Connect the control cable for the use of excess energy 34 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection Procedure See 30 If present Section 6 28 Connect the auxiliary contact of the transfer switch 31 If present Section 6 29 Connect the external generator request 6 3 Earthing the TN Off Grid System If the off grid system is a TN system earth the off grid system as follows 1 Earth the earthing busbar 2 Connect PE to the earthing busbar on the load side or the generator side 3 Connect N to the earthing busbar 6 4 Earthing the TT Off Grid System If the off grid system is a TT system earth the off grid system as follows 1 To earth loads Earth the neutral point for loads e Connect the PE of the loads to the neutral point e Connect N of the loads to the neutral point 2 To earth the AC sources in the stand alone grid e Earth the neutral point for AC sources in the stand alone grid e Connect PE of the AC sources in the stand alone grid to the neutral point e Connect N of the AC sources in the stand alone grid to the neutral point 3 To earth the external energy sources e Earth the neutral point for external energy sources e Connect PE of the external energy sources to the neutral point e Connect N of the external energy sources to the neutral point
64. e frequency of the generator voltage is also reduced If the frequency of the generator voltage falls below the rated frequency the generator management can also limit the generator current The lower the frequency the more the generator current is limited by generator management This setting is useful if the generator is supplying other loads in parallel with the off grid inverter This setting allows the maximum load to be placed on the generator without overloading it Requirement QO The generator must not be an inverter generator The output frequency of inverter generators is fixed Switch to expert mode see Section 7 6 2 Select the 234 03 GnCurNom parameter and set it to the desired value Tip A suitable value for the 234 03 GnCurNom parameter is 80 of the maximum generator current per phase 3 Select the 234 15 GnCtlMod parameter and set it to CurFrq In this way you will activate the frequency dependent current limitation 104 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 15 Changing the Type of Generator Interface If you have installed a generator in an off grid system the type of generator interface determines the way the generator is controlled 1 Switch to installer mode see Section 7 5 2 Ifthe generator has an autostart function select the 234 07 GnStrMod parameter and set it to Autostart 3 Ifthe generator does not have an autostart function select
65. e generator alone grid generalon The generator management starts the minimum run time The minimum run time is Even if the generator management no longer running requests the generator the stand alone grid remains connected to the generator The minimum run time ends If the generator management continues to request the generator the stand alone grid remains connected to the generator 138 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG Event or state The generator management no longer requests the generator The shutoff delay time configured at GenMan begins The shut off delay time is running The shut off delay time ends The generator management starts the minimum stop time The minimum stop time is running The minimum stop time ends Installation Manual 10 External Energy Sources in the Off Grid System Internal transfer relay The off grid inverter supplies the stand alone grid Open the and carries out load free disconnection of the stand alone grid is generator from the stand alone grid not connected to the generator The generator management signals to GenMan that the generator is no longer requested During the shut off delay time the generator management cannot request the generator again and the off grid inverter cannot connect the stand alone grid to the generator again GenMan stops the generator GenMan signals to the off grid inver
66. e on the battery current sensor Connect the BatCur and BatCur al measuring wires to the terminal for BatCurt T Jad 3 Close the BatFuse switch disconnector and switch the off grid system on Switch to installer mode see Section 7 5 5 Select the 225 01 BatCurSnsTyp parameter and set it to the type of the battery current sensor used 6 Fora60 mV model select the 225 02 BatCurGain60 parameter and set it to the rated current of the battery current sensor 7 Fora 50 mV model set the 225 03 BatCurGain50 parameter to the rated current of the battery current sensor 8 Select the 225 04 BatCurAutoCal parameter and set it to Start M The off grid inverter starts calibration and offset adjustment 9 After ten seconds select the 120 06 TotBatCur parameter and read off the value The parameter value is between O A and 1 A The parameter value is not between O A and 1 A The measuring cables are not correctly connected or shortcircuited e Check whether the measuring cables are correctly connected and short circuited e Repeat steps 6 and 7 10 Switch off the off grid system and open the BatFuse switch disconnector Installation Manual SI8O0H 60H OffGrid lA en 1 1 101 7 Commissioning SMA Solar Technology AG 11 Connect the BatCur measuring wire to the BatFuse BatFuse L L side 12 Connect the BatCur measuring wire to the battery BatEuse L DC side B Batterie DC 13 Close the BatFuse swit
67. e that the battery can be recharged from AC sources in the stand alone grid Break through the cable feed through plate at a suitable position using a sharp object Strip the insulation from the cable for control of the load shedding contactor and press bootlace ferrules onto the wires Lead the cable through the hole in the cable feed through plate into the off grid inverter 5 Connect the wire for the Al coil connection of the first load shedding contactor to the Relayx NO terminal using the 3 pole terminal torque 0 5 Nm 0 6 Nm 6 Connect the wire for the A2 coil connection to the BatVtg terminal using the 4 pole terminal torque 0 5 Nm 0 6 Nm 7 Connect the BatVtg terminal to the Relayx C terminal torque 0 5 Nm 0 6 Nm Use the same conductor cross section as in the cable for the load shedding contactor Installation Manual SI80H 60H OffGrid lA en 1 1 61 6 Electrical Connection SMA Solar Technology AG 8 Enter the function of the multifunction relay used in the configuration table see Section 7 10 1 Use of the Multi Function Relays page 90 Note one of the following values here Explanation AutoLodExt Setting for one level load shedding When the off grid inverter switches to an external energy source load shedding is stopped and the loads are supplied by the external energy source The battery is only charged with excess energy AutoLod1Soc Setting for 1 level load shedding or the first level
68. echnical Data page 144 O The mounting location must be freely and safely accessible at all times without the necessity for any auxiliary equipment such as scaffolding or lifting platforms If this is not the case service work may be restricted Q The mounting location must not hinder access to switching off devices Q The mounting location must not be exposed to direct solar irradiation Direct solar irradiation can cause excessive heat build up in the off grid inverter LI Climatic conditions must be met see Section 12 Technical Data page 144 L The mounting location must be less than 3 000 m above MSL For altitudes over 2 000 m above MSL contact the SMA Service Line For altitudes above 2 000 m over MSL the power is reduced by 0 5 for every 100 m Q The ambient temperature should be below 40 C This will ensure optimal operation of the off grid inverter Installation Manual SI80H 60H OffGrid lA en 1 1 27 5 Mounting SMA Solar Technology AG Dimensions for wall mounting 217 3 mm e 217 3 mm N ee eee 11 mm E SPARA Glee enn Ann HO 8 87 3 mm 87 3 mm enna eae ore E i co x E i i N 1 O a 25 mm E EETA IS eee ee as N T ae 58 3 mm 134 mm 134 mm l Figure 9 Dimensions of the wall mounting bracket and dimensions of the drill holes for the optional anti theft device in the enclosure of the off
69. ed in the configuration table see Section 7 10 1 Use of the Multi Function Relays page 90 Note the MecBatFan value 4 Connecting several battery room fans for a multicluster system e Connect a battery room fan to a multi function relay of the master slave 1 or slave 2 for every cluster e Enter the function of the multi function relays used in the configuration table see Section 7 10 1 Use of the Multi Function Relays page 90 Note the BatFan value 64 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection 6 26 Connecting the Control Cable for the Electrolyte Pump of the Battery The off grid inverter controls the electrolyte pump for the battery e The off grid inverter switches on the electrolyte pump at least once a day e The off grid inverter switches on the electrolyte pump nine times a day at the maximum e When the battery has been charged to 10 of its rated capacity the off grid inverter switches the electrolyte pump on for five minutes If the battery acid is circulated via an electrolyte pump connect the acid circulation control as follows 1 Connect the acid circulation to the multi function relay see Section 6 18 Assignment of Multi Function Relay page 54 2 Fora multicluster system repeat step 1 for every cluster 3 Enter the function of the multi function relay used in the configuration table see Section 7 10 1 Use of the Multi Function Relays pa
70. ee 75 Starting the Quick Configuration Guide 00 eee 76 Configuring Single Operation and Single Cluster Operation 78 Configuring Multicluster Operation 000 00 0c cee eee 83 Switching to Installer Mode 0 0 cece ee eee 88 Switching to Expert MOdes 4 0o couche eeek ces eae 88 Setting Time Dependent Functions 0005 89 Setting the Time Controlled Functions 0005 89 Setting Load Shedding in a Multicluster System 89 Configuration of the Multi Function Relays 90 Use of the Multi Function Relays 0 0 2 0 ccc cece ce ene eens 90 Setting the Functions of the Multi Function Relays 00005 91 Setting 1 Level Load Shedding 0 0 cece cece 91 Setting 2 Level Load Shedding 2 0 0 esc2egeti ete iedi ee dndi decane 92 Setting Time Dependent 1 Level Load Shedding 05 93 Setting Time Dependent 2 Level Load Shedding 005 95 Setting Time Control for External Processes 0000 c eee eee eee 96 Setting the Control of the BatteryRoom Fan 0 0 eee eee eens 97 Setting the Use of Excess Energy 00 cc cece cece ence enn 97 SI80H 60H OffGrid lA en 1 1 5 Table of Contents 7 11 7 12 7 13 7 14 7 14 1 7 14 2 7 14 3 7 14 4 7 14 5 7 15 7 16 7 16 1 7 16 2 7 16 3 7 16 4 ZIZ 7 17 1 7 17 2 7 17 3 7 17 4 7 17 5 7 17 6 ZAZ 7 18 7 19 7 20 7 21 722 SMA S
71. erter horizontal when moving it 122 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 8 Decommissioning 8 3 Packing the Off Grid Inverter 1 Remove the cable glands from the off grid inverter 2 Pack the off grid inverter and the cable glands Use original packaging or packaging that is suitable for the weight and dimensions of the off grid inverter see Section 12 Technical Data page 144 8 4 Disposal of the Off Grid Inverter e Dispose of the off grid inverter in accordance with the locally applicable disposal regulations for electronic waste or e Return the off grid inverter to SMA Solar Technology AG at your own expense see Section 13 Contact page 154 Label the packaging ZUR ENTSORGUNG FOR DISPOSAL Installation Manual SI80H 60H OffGrid lA en 1 1 123 9 Battery Management SMA Solar Technology AG 9 Battery Management 9 1 State of the Battery 9 1 1 Available Battery Capacity The available capacity of a new battery is equal to the rated capacity specified by the battery manufacturer During operation of an off grid system the available battery capacity decreases for the following reasons e Increasing age of the battery e Frequent insufficient charging e Temperatures below the rated temperature Currently available battery capacity Battery management reports the currently available battery capacity as a percentage of the rated capacity SOH After initial start up
72. erter must be in operation see Section 7 24 2 Starting the Off Grid System page 116 Connect the miniature circuit breakers in the sub distribution for external energy sources 2 Connect the miniature circuit breakers of the AC loads in the AC sub distribution Connect the loads M The generator starts or the generator request is shown X Does the generator not start Generator management does not request the generator e Manually start the generator with the Sunny Remote Control see the operating manual of the off grid inverter The generator or signal generator is not being activated e Rectify any faults in the wiring The generator is not operational e Identify possible causes using the manufacturer s manual and rectify these Switch to installer mode see Section 7 5 5 Select the 133 02 GnStt parameter and wait until the Run parameter is shown In this way you will know that the off grid inverter has connected the stand alone grid to the generator X Is the grid LED glowing red The off grid inverter does not switch the stand alone grid to the generator due to an error message e Select the 410 Error active menu and rectify the cause of the displayed warning or error 6 For single systems and single cluster systems check whether the connected active power of the loads corresponds to the value of the 111 05 TotLodPwr parameter If the power shown is too high rectify the defective load or fault in the wiring 7
73. erval e Select the 242 01 Lod1SocTm1 Str parameter and set it to the lower SOC limiting value for the first level of load shedding e Select the 242 02 Lod1SocTm1Stp parameter and set it to the upper SOC limiting value for the first level of load shedding e Select the 242 07 Lod2SocTm1 Str parameter and set it to the lower SOC limiting value for the second level of load shedding Installation Manual SI80H 60H OffGrid lA en 1 1 95 7 Commissioning SMA Solar Technology AG e Select the 242 08 Lod2SocTm1Stp parameter and set it to the upper SOC limiting value for the second level of load shedding 5 Setting the SOC limiting value for the second interval e Select the 242 03 Lod1SocTm2Str parameter and set it to the lower SOC limiting value for the first level of load shedding e Select the 242 04 Lod1SocTm2Stp parameter and set it to the upper SOC limiting value for the first level of load shedding e Select the 242 09 Lod2SocTm2Str parameter and set it to the lower SOC limiting value for the second level of load shedding e Select the 242 10 Lod2SocTm2Stp parameter and set it to the upper SOC limiting value for the second level of load shedding 6 Ensure that the multifunction relay used for controlling the first level of load shedding is set to AutoLod1Soc see Section 7 10 2 7 Ensure that the multi function relay used for controlling the second level of load shedding is set to AutoLod2Soc see Section 7 10 2 7 10 7
74. et it to Off Connections Slots Elements to be selected Elements to be entered Several elements that are Select 600 Direct Access gt to be selected Select Number Button Key Key on the inverter that is Press ENTER to be selected or pressed Nomenclature Complete designation Designation in this document Sunny Island Oft grid inverter Sunny Boy PV inverter Sunny Mini Central Sunny Tripower Menus are presented as follows menu number hash and menu name e g 150 Compact Meters Parameters are presented as follows menu number full stop parameter number and parameter name e g 150 01 GdRmgTm Parameters include both configurable parameters and parameters for displaying values 10 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 1 Information on this Document Abbreviations oo o a OO O we orao O S woo heee OOO O O se Regency Shih Power Comro OO o oeme O e Sd C id e S SS SS State of Charge State of charge of the battery State of Health Battery capacity still available Quick Configuration Guide Installation Manual SI8O0H 60H OffGrid lA en 1 1 11 2 Safety SMA Solar Technology AG 2 Safety 2 1 Intended Use The Sunny Island is a bidirectional off grid inverter and forms a stand alone grid AC source Generator Sunny Remote Control Figure 1 Principle of an off grid system with a Sunny Island and a Sunny Remote Control The Sunny Is
75. f necessary the loads in the stand alone grid are supplied by the generator and the off grid inverter together The sum of both powers is available to the stand alone grid Installation Manual SI8O0H 60H OffGrid lA en 1 1 131 10 External Energy Sources in the Off Grid System SMA Solar Technology AG Generator request Explanation Time controlled generator You can set the days times and durations for generator request request by the generator management Charging process dependent The generator is requested for full charge and equalisation generator request charging You can configure whether the generator is requested for full charge equalisation charge or both charging processes 10 7 3 Generator Run Times The generator run times specify the time frames for generator mode The generator run times are only interrupted in the event of a fault As a result the generator management can operate the generator with as little wear as possible and in an energy efficient manner This increases energy efficiency by allowing the generator management to use an operating generator for as long as possible with high generator efficiency You can adjust and optimise the run times depending on the generator and the requirements on the off grid system Generator run time Explanation Warm up time To avoid loading the generator when it is cold the generator warms up during the warm up time In this way generator wear is reduced After the war
76. fe from electric shock due to incorrect connection of the neutral conductor If you connect the neutral conductor incorrectly the earthing concept of the off grid system will not work In a TN system the neutral conductor must be permanently connected between the AC1 and AC2 terminals In a TT system the internal transfer relay must disconnect the neutral conductor between the AC1 and AC2 terminals when the stand alone grid is not connected to the external energy source e InaTN system insert the neutral conductor into the AC2 Gen Grid N terminal as far as it will go and move the lever of the terminal downward e n a TT system insert the neutral conductor into the AC2 Gen Grid Ny terminal as far as it will go and move the lever of the terminal downward Insert L into the AC2 Gen Grid L terminal as far as it will go and move the lever of the terminal downward In the case of a three core cable insert the PE into the PE terminal as far as it will go and move the lever downward Tighten the swivel nut of the cable gland 6 11 Inserting Filler Plugs Seal unused enclosure openings with filler plugs The enclosure openings will then correspond to the IP54 degree of protection 6 12 Installing Protective Devices for Loads Install the following protective devices for the AC sub distribution 44 Install miniature circuit breakers with the B16 maximum tripping characteristic Install the residual current device type A in accordance wi
77. ff Glowing The off grid inverter is in operation green Glowing The off grid inverter is in standby orange mode Glowing red The off grid inverter has switched off due to an error Flashing The off grid inverter is not configured quickly Flashing The off grid inverter is in sleep mode slowly 22 SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG A Product Description Position Symbol_ Description __ Status__ Explanation E Grid LED No voltage is present at the connection of the external energy source Glowing External energy source is connected green Glowing The off grid inverter is synchronising orange the stand alone grid to the external energy source Glowing red Error at the external energy source connection F Battery LED Glowing The battery charge level is over 50 Glowing The battery charge level is between orange 50 and 20 Glowing red The battery charge level is below 20 G NY AC operation Symbol indicates the area for starting and stopping inverter operation H Standby Symbol indicates the area for switching the inverter on and off flashing at intervals of 0 5 s 1 s flashing at intervals of 1 5 s 2 s Installation Manual SI80H 60H OffGrid lA en 1 1 23 A Product Description SMA Solar Technology AG 4 4 Sunny Remote Control You can configure and control the off grid system centrally with the Sunny Remote Control display For a multi
78. ff grid inverter does not detect if you restart running the generator The generator management cannot request the generator The signal generator is not active You stop the generator The minimum stop time The generator management can request the ends generator The off grid inverter detects a generator start Installation Manual SI80H 60H OffGrid lA en 1 1 137 10 External Energy Sources in the Off Grid System SMA Solar Technology AG 10 9 3 Operating Procedure for Generators with GenMan Event or state Internal transfer relay The generator The off grid inverter signals to GenMan that the Open the management requests the generator is requested stand alone grid is generator not connected to GenMan starts the The generator voltage builds up the generator generator The warm up time The generator management measures the time configured at GenMan until GenMan signals to the off grid inverter that begins the warm up time has ended If a maximum time Canansan the is exceeded generator management aborts the off grid inverter that its generdior sia warm up time has successfully ended The off grid inverter synchronises the stand alone grid to the generator voltage The stand alone grid is The off grid inverter connects the stand alone Closed the synchronised grid to the generator stand alone grid is The stand alone grid is The generator is feeding current into the stand connected to the connected to th
79. firm single cluster operation with Y 12 Setting the external energy source 80 Select the 003 20 ExtSre parameter and press ae the button we ELE For an off grid system without an external energy source set PvOnly and press the button For an off grid system with a generator set Gen and press the button For an off grid system with the electricity grid as external energy source set Grid and press the button For an off grid system with a combination of electricity grid and generator set GenGrid and press the button Confirm the external energy source with Y SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 13 14 15 16 Setting the maximum permissible current for an off grid system with the electricity grid e Select the 003 21 GdCurNom parameter and press the button e Set the maximum permissible current and press the button e Confirm the maximum current with Y Setting the maximum generator current for an off grid system with a generator Select the 003 22 GnCurNom parameter and press the button Set the maximum current for permanent loading of the generator and press the button e Confirm the maximum current with Y Setting the type of the generator interface for an off grid system with a generator Select the 003 23 GnStrMod parameter and press the button e If the generator d
80. follows e 235 13 GnTmOpEna Enable e 235 14 GnTmOpStrDt 09 01 2012 2012 01 09 Monday e 235 15 GnTmOpStrTm 07 00 00 e 235 16 GnTmOpRnDur 01 00 00 e 235 17 GnTmOpCyc Weekly 7 9 Setting Load Shedding in a Multicluster System The load shedding contactor in the Multicluster Box is controlled depending on the state of charge of the batteries Significance of the SOC limiting values When the state of charge of a battery reaches the lower SOC limiting value the load shedding contactor is opened The state of charge of the battery of the main cluster and the states of charge of the batteries of the extension clusters are then evaluated The load shedding contactor disconnects the loads from the stand alone grid When the state of charge of all batteries reaches the upper SOC limiting value during recharging the load shedding contactor is closed again The load shedding contactor connects the loads to the stand alone grid Installation Manual SI80H 60H OffGrid lA en 1 1 89 7 Commissioning SMA Solar Technology AG Requirement O The Sunny Remote Control must be connected to the master of the main cluster Switch to installer mode see Section 7 5 2 Select the 242 01 Lod1SocTm1 Str parameter and set it to the lower SOC limiting value Select the 242 02 Lod1SocTm1 Stp parameter and set it to the upper SOC limiting value The upper SOC limiting value must be at least 10 percent greater than the lower SOC limiting value 4 Set
81. function relay see Section 6 18 Assignment of Multi Function Relay page 54 Use the C and NO terminals 2 Enter the function of the multifunction relay used in the configuration table see Section 7 10 1 Use of the Multi Function Relays page 90 Note the AutoGn value 56 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection 6 20 Connecting a Signal Generator for Generators Without Autostart Function Generators without an autostart function do not have electric starting devices If you install a generator without autostart function you can connect a signal generator e g signal lamp to the multi function relay of the off grid inverter The off grid inverter can then signal when the generator is to be manually started and stopped i Connecting a signal generator in a cluster Slaves control the generator less reliably than masters do e Connect the generator control only to the master e Ina multicluster system always connect the signal generator to the master of the main cluster Stand alone grid Signal generator External generator Figure 19 Connection of a signal generator for signalling a generator request example Installation Manual SI80H 60H OffGrid lA en 1 1 57 6 Electrical Connection SMA Solar Technology AG If you connect a signal generator for generators without autostart function connect the signal generator as follows Requirements O The te
82. g values for voltage and frequency The warm up time is running The warm up time ends The off grid inverter synchronises the stand alone grid to the generator voltage The stand alone grid is The off grid inverter connects the stand alone Closed the synchronised grid to the generator stand alone grid is The generator is connected The generator is feeding current into the stand connected to the alone grid generdior The generator management starts the minimum run time The minimum run time is Even if generator management no longer running requests the generator the generator remains connected to the stand alone grid The minimum run time ends The generator The off grid inverter no longer controls the signal management no longer generator The signal generator indicates that requests the generator you should disconnect the generator from the off grid inverter 136 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 10 External Energy Sources in the Off Grid System Event or state Internal transfer relay You open the switch The off grid inverter opens the internal transfer Open the disconnector between the relay stand alone grid is generator and the oftgrid The off grid inverter continues to supply to the not connected to inverter the generator stand alone grid without interruption The generator management starts the minimum stop time The minimum stop time is The o
83. ge 90 Note the AcdCir value 6 27 Connecting the Control Cable for the Use of Excess Energy If the battery can no longer take up excess energy in an off grid system the power output of the AC sources in the stand alone grid is limited by the off grid inverter The excess energy is then not used The off grid inverter allows for the use of excess energy by means of a multi function relay During the constant voltage phase a multi function relay switches to the NO position and thus controls additional loads that can put any excess energy to good use As a result of the utilisation of excess energy the off grid inverter has to limit the power output of the AC sources in the stand alone grid less Example Utilisation of excess energy The energy source of an off grid system is PV energy On days with high solar irradiation and low power consumption the battery cannot take up all of the PV energy during float charge In order to utilise the excess energy the off grid inverter activates a pump that pumps water into a container for subsequent use If you are utilising excess energy connect the control cable for the utilisation of excess energy as follows 1 Connect the control cable for the utilising of excess energy to the multifunction relay see Section 6 18 Assignment of Multi Function Relay page 54 2 Enter the function of the multifunction relay used in the configuration table see Section 7 10 1 Use of the Multi Function Relays
84. gement to detect a valid not connected to configured limiting values voltage the electricity grid must be within the the electricity grid for voltage and frequency limiting values for voltage and frequency for a minimum time If grid management detects a valid voltage the off grid inverter synchronises the stand alone grid to the electricity grid The stand alone grid is The off grid inverter connects the stand alone Closed the synchronised grid to the electricity grid stand alone grid is connected to the The stand alone grid is The electricity grid feeds current into the electricity grid connected to the electricity stand alone grid grid The grid management no The off grid inverter disconnects the stand alone Open the longer requests the grid from the electricity grid and continues to stand alone grid is electricity grid supply power to the stand alone grid not connected to the electricity grid 142 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 11 Accessories 11 Accessories You will find the corresponding accessories and spare parts for your product in the following overview If required you can order them from SMA Solar Technology AG or from your specialist dealer transformer for top hat rail mounting transformer as plug in power supply Batfuse B 01 250 A 2 pin LV HRC battery fuse switch disconnector BATFUSE B 0 1 size 1 for 1 off grid inverter 3 x DC input
85. generator on the off grid inverter for one hour You do not need to stop the generator again The generator runs for one hour Installation Manual SI80H 60H OffGrid lA en 1 1 133 10 External Energy Sources in the Off Grid System SMA Solar Technology AG Automatic generator mode In automatic generator mode the generator management controls the generator i Automatic generator mode and generators without an autostart function The generator management can control a signal generator using a multi function relay The signal generator can indicate when you should start and stop the generator In automatic generator mode the generator can be started and stopped manually at any time If the generator is stopped and the minimum stop time has elapsed automatic mode is continued 10 9 Operating Procedure for Generator Control 10 9 1 Operating Procedure for Generators with Autostart Function Event or state Internal transfer relay The generator The off grid inverter starts the generator Open the management requests the stand alone grid is generator not connected to The generator starts The generator voltage builds up the generator Generator management measures the time until the generator voltage is within the configured limiting values for voltage and frequency If a maximum time is exceeded the generator management aborts the generator start The generator voltage is The generator management starts the warm up wit
86. grid inverter 28 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 5 Mounting Observe minimum clearances 1 035 mm 500 mm O O Yo Figure 10 Minimum clearances e Observe minimum clearances to walls other off grid inverters or other objects This will allow for sufficient heat dissipation i Multiple off grid inverters installed in areas with high ambient temperatures There must be sufficient clearance between the individual off grid inverters to ensure that inverters cannot take in the cooling air of adjacent inverters e To ensure sufficient cooling of the off grid inverters increase the clearances between the off grid inverters and ensure there is a sufficient fresh air supply Installation Manual SI80H 60H OffGrid lA en 1 1 29 5 Mounting SMA Solar Technology AG Observe permitted mounting position o Sy y oye LX X Figure 11 Permitted and prohibited mounting positions e Mount the off grid inverter in a permitted mounting position The control panel should be at eye level This will make it easier to operate the buttons and view the LED signals 5 3 Mounting the Off Grid Inverter i Off grid inverters with the order options Communication for RS485 or Multicluster system Any ordered communication interfaces are installed in the master at the factory e For single cluster systems and multicluster systems mount the off grid in
87. h a terminating resistor at the end 6 15 8 Connecting RS485 The SLCOMSMA BGx communication interface is required for communication with a communication device e g Sunny WebBox or other SMA products e g PV inverter If the off grid inverter was ordered with the Communication for RS485 order option the SLCOMSMA BG1 is installed in every master Plug assignment Figure 15 RJ45 plug assignment Pin Signal Colour coding of the wires 2 GND Orange with white stripes E Data A White with green stripes Data B Green with white stripes Installation Manual SI80H 60H OffGrid lA en 1 1 49 6 Electrical Connection SMA Solar Technology AG Figure 16 Design of S COMSMA BGx Position _ Description Bo bebed o O c ComSmaOut socket o ComSmaOut socket ie ComSmaln socket Cable requirement C1 The data cable must correspond to the CAT5e classification Requirement Q The cable feed through plate must be removed see Section 6 15 1 1 If an S COMSMA BG x is not installed in the off grid inverter install S COMSMA BGx in the off grid inverter see SI COMSMA NR mounting instructions e For single systems install S COMSMA BGx in the off grid inverter e Fora single cluster system install SL COMSMA BGx in the master e For a multicluster system install SL COMSMA BGx in every master 2 Connect the white RJ45 data cable with open wires to the communication devi
88. he The frequency and value of the voltage on the electricity grid electricity grid directly affect the power quality in the stand alone grid When the electricity grid breaches the limiting values the off grid inverter disconnects the electricity grid from the stand alone grid and switches to stand alone grid operation Maximum reverse power to the In case of reverse power the off grid system feeds power into the electricity grid electricity grid Reverse power may be fed into the electricity grid during operation with AC sources in the stand alone grid You can set the active power and the permitted time for reverse power If the limiting values are breached grid management disconnects the electricity grid from the stand alone grid 140 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 10 External Energy Sources in the Off Grid System 10 10 3 Request Conditions for the Electricity Grid To adapt grid management to the requirements of the off grid system you can change the request conditions of the electricity grid grid State of charge dependent Depending on the state of charge of the battery grid request management requests the electricity grid to recharge the battery In this way grid management prevents the battery from discharging too much Tip You can also set the request to be dependent on the time of day Load dependent request If the consumption load in the stand alone grid exceeds a configu
89. he plug in power supply of the supply Sunny WebBox is plugged in and connected to the Sunny WebBox Termination of the The communication bus is connected to the communication bus first and last device in the bus Checking for Components of the Off Grid System Check item Check criterion Not applicable Off grid system components All components of the off grid system are correctly connected see the manuals of the components Ensure by measuring that all components of the off grid system are connected with the same earth potential 7 3 Closing the Off Grid Inverter 1 Place one conical spring washer on each screw The grooved side of the conical spring washer sa should be facing the screw head j Tip The scope of delivery of the off grid inverter includes a spare screw and conical spring washer 74 SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 2 Fasten the enclosure lid using an Allen key AF 5 following the sequence 1 to 6 torque 6 Nm The teeth of the conical spring washer are pushed into the enclosure lid This ensures that the enclosure lid is earthed 7 4 Quick Configuration Guide 7 4 1 Determining the Battery Capacity Manufacturers state the battery capacity as a function of the discharge time In the configuration of the off grid system and in the QCG you will need to enter the battery capacity for a 10 hour discharge period C10
90. hin the configured time limiting values for voltage and frequency The warm up time is running The warm up time ends The off grid inverter synchronises the stand alone grid to the generator voltage 134 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 10 External Energy Sources in the Off Grid System Event or state Internal transfer relay The stand alone grid is The off grid inverter connects the stand alone Closed the synchronised grid to the generator stand alone grid is The stand alone grid is connected to the generator The minimum run time is running The minimum run time ends The generator management no longer requests the generator The shut off delay time is running The shut off delay time ends The minimum stop time is running The minimum stop time ends Installation Manual The generator is feeding current into the stand connected to the alone grid generator The generator management starts the minimum run time Even if the generator management no longer requests the generator the stand alone grid remains connected to the generator If the generator management continues to request the generator the stand alone grid remains connected to the generator The off grid inverter supplies the stand alone grid Open the and carries out load free disconnection of the stand alone grid is generator from the stand alone grid not connected to
91. id inverter to the transfer switch see Section 6 10 Connecting an External Energy Source page 43 3 Connect the cable for the auxiliary contact to the transfer switch Ensure that the AC2 terminal is connected to the electricity grid when the auxiliary contact is open 4 Connecting the cable for the auxiliary contact to the off grid inverter e Break through the cable feed through plate at a suitable position using a sharp object Strip the insulation from the cable for the auxiliary contact and press bootlace ferrules onto the two wires e Lead the cable through the hole in the cable feed through plate into the off grid inverter e Connect one wire to the BatVtg terminal with the 4 pole terminal torque 0 5 Nm 0 6 Nm e Connect one wire to the DigIn terminal with the 4 pole terminal torque 0 5 Nm 0 6 Nm e Connect the BatVtg terminal to the DigIn terminal torque 0 5 Nm 0 6 Nm Use the same conductor as in the cable for the auxiliary contact Installation Manual SI80H 60H OffGrid lA en 1 1 67 6 Electrical Connection SMA Solar Technology AG 6 29 Connecting the External Generator Request An external control signal can transfer a generator request to the generator management If you have configured generator management for external generator request generator management starts the generator when High Level is active All generator run times are adhered to here External generator Off grid inverter
92. ing value must be at least 10 percent greater than the lower SOC limiting value 4 Set the 242 05 Lod1Tm1 Str and 242 06 Lod1Tm2Str parameters to the same value e g both to 000000 This switches off time dependent load shedding 5 If the loads are only to be reconnected when the set SOC limiting value is reached ensure that the parameter of the multi function relay has been set to AutoLod1 Soc see Section 7 10 1 Installation Manual SI80H 60H OffGrid lA en 1 1 9 7 Commissioning SMA Solar Technology AG If the loads are to be supplied by an external energy source during recharging of the battery ensure the following e Ensure that the parameter of the multi function relay is set to AutoLodExt see Section 7 10 1 e Ensure that the external energy source can supply the loads with sufficient power If the off grid system is a multicluster system ensure that the parameter of the multi function relay is set to MccAutoLod see Section 7 10 1 7 10 4 Setting 2 Level Load Shedding Two multi function relays control two load shedding contactors depending on the state of charge of the battery Significance of the SOC limiting values Two lower and two upper SOC limiting values each are available for controlling the load shedding contactors The load shedding contactors disconnect the loads if the states of charge are as follows 92 When the state of charge of the battery reaches the first lower SOC limiting value the multi fu
93. ing values e Select the 223 01 BatProlTmStr parameter and set it to the desired start time e Select the 223 02 BatProlTmStp parameter and set it to the desired end time e Select the 223 05 BatProl Soc parameter and set it to the desired SOC limiting value 3 To change battery protection mode 2 set the desired times and SOC limiting values e Select the 223 03 BatPro2TmStr parameter and set it to the desired start time e Select the 223 04 BatPro2TmStp parameter and set it to the desired end time e Select the 223 06 BatPro2Soc parameter and set it to the desired SOC limiting value 4 Tochange battery protection mode 3 select the 223 07 BatPro3Soc parameter and set it to the desired SOC limiting value Installation Manual SI80H 60H OffGrid lA en 1 1 99 7 Commissioning SMA Solar Technology AG 7 12 Setting the Resistance of the Battery Cable You can optimise battery management by setting the resistance of the battery cable in expert mode BatFuse Off grid inverter cable 2 s Length l Length l i Figure 27 Designation of cables The resistance of the battery cable is composed of the resistances of cable 1 BatFuse and cable 2 Requirement O Ina cluster the Sunny Remote Control must be connected to the master 1 Calculate the resistance of the cables Use the following formula Rou LA P AN Rcyl l A Resistance of the cable 7 die cea B Q mm p specific resistance of copper p 0 018
94. ion Manual SI80H 60H OffGrid lA en 1 1 119 7 Commissioning SMA Solar Technology AG 7 26 Completing Commissioning 120 When full charge is complete switch on all miniature circuit breakers and switch disconnectors Tip The state of charge of the battery is displayed in standard mode i Load shedding in the first two operating hours The state of charge SOC recorded by battery management and the available battery capacity SOH will deviate strongly from the actual values of SOC and SOH for a newly connected battery During operation the values recorded by battery management will gradually approach the real values In the first two hours of operation with the new battery these deviations can lead to load shedding and corresponding entries in the A00 Failure Event menu SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 8 Decommissioning 8 Decommissioning 8 1 Disconnecting the Off Grid Inverter from Voltage Sources l 2 2 Disconnect the off grid system see the operating manual of the off grid inverter Open the switch disconnector of the BatFuse and secure it against reconnection see the manual of the BatFuse Disconnect the miniature circuitbreakers and fuse switch disconnectors in the sub distributions and secure them against reconnection NOTICE Damage to the off grid inverter due to electrostatic discharge By touching electronic components you can damage or destroy the off g
95. is way the off grid inverter protects the batteries against overcharge 10 6 Parameters for the Generator and Electricity Grid There is only one terminal for external energy sources To distinguish between the generator and electricity grid the off grid inverter has different parameters for the connection of external energy sources grid parameters and generator parameters For operation on the electricity grid there are generally strict limiting values for voltage and frequency These strict limiting values are not suitable for generator mode Distinguishing between grid parameters and generator parameters means that you can generally alternate between the use of a generator and the electricity grid with no further adjustments There are specific parameters for grid management and generator management and there are shared parameters and display values 130 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 10 External Energy Sources in the Off Grid System 10 7 Generator Management of the Off Grid Inverter 10 7 1 Generator Management Tasks The generator management performs the following tasks e Requesting the generator in automatic generator mode see Section 10 7 2 Conditions for Generator Requests page 131 Requesting the generator depending on the state of charge Requesting the generator depending on the load Requesting the generator in a time controlled manner Requesting the generator depen
96. it to the minimum frequency of the generator voltage 4 Select the 234 06 GnFrqMax parameter and set it to the maximum frequency of the generator voltage Installation Manual SI80H 60H OffGrid lA en 1 1 103 7 Commissioning SMA Solar Technology AG 7 14 4 Changing the Permitted Reverse Power to the Generator If the reverse power for the set time is exceeded all off grid inverters disconnect the generator from the stand alone grid and block connection of the generator to the stand alone grid for the minimum stop time NOTICE Damage to the generator In case of reverse power the AC sources in the stand alone grid drive the generator The generator can be damaged as a result e Observe the information from the manufacturer about reverse power protection of the generator Set the generator reverse power and the permitted time for reverse power in accordance with the manufacturer s specifications Switch to expert mode see Section 7 6 2 Select the 234 13 GnRvPwr parameter and set it to the active power of the generator reverse power 3 Select the 234 14 GnRvTm parameter and set it to the time for the generator reverse power 7 14 5 Setting the Current Limit for the Generator Depending on the Frequency Interdependency of frequency and current limit The higher the generator current the higher the torque for the generator The speed drops with increasing torque for unregulated generators When the torque drops th
97. l e Fora multicluster system each cluster must be configured individually at the master 76 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning Requirements O All off grid inverters must be closed O All off grid inverters must be switched off 1 Insert the fuse links into the BatFuse quickly connect the switch disconnectors of the BatFuse and then close the BatFuse see BatFuse installation manual 2 Switching on the off grid inverter e For an off grid system with one off grid inverter press the activation button on the off grid inverter e Inthe case of a cluster press the activation button on the master and hold down this button until a signal sounds All off grid inverters in the cluster are then switched on C J 3 When the Sunny Remote Control displays lt Init System gt press and hold the button MI A signal sounds three times and the D Sunny Remote Control displays the QCG s Se ae x Does the Sunny Remote Control not display the QCG You not either pressed the button too slowly or have long enough e Press the deactivation button e Repeat steps 2 and 3 Installation Manual SI80H 60H OffGrid lA en 1 1 77 7 Commissioning SMA Solar Technology AG 7 4 3 Configuring Single Operation and Single Cluster Operation Configuration of single operation and single
98. lA en 1 1 33 6 Electrical Connection SMA Solar Technology AG Procedure See If present Section 6 10 Connect the external energy source Insert filler plugs Section 6 11 Install protective devices for the loads Section 6 12 If AC sources are present in the stand alone grid e g PV inverters Section 6 13 Install protective devices for the AC sources in the stand alone grid 16 Ifa generator is present Section 6 14 Install protective devices for a generator 17 If necessary SI COMSMA NR mounting i Install the communication interface for RS485 instructions 1 If necessary SI SYSCAN NR mounting Install the communication interface for multicluster systems instructions Connect the communication Section 6 15 Connect the battery temperature sensor Section 6 16 21 If present Section 6 17 Connect the measuring cable of the battery current sensor 2 Ifa generator is present Section 6 19 Connect the control cable for the generator Section 6 21 If present Section 6 22 Connect the control cables of the load shedding contactors If present Section 6 23 Connect the time control for external processes 26 If present Section 6 24 Connect the message device for events and warning messages 27 If present Section 6 25 Connect the control cable for the battery room fan 28 9 4 5 23 If present GenMan technical Connect GenMan to the generator description If present Section 6 26 7 Connect th
99. land is suitable for use indoors and in outdoor areas that are protected from the elements For safety reasons it is not permitted to modify the product or install components that are not explicitly recommended or distributed by SMA Solar Technology AG for this product Only use the Sunny Island in accordance with the information provided in the enclosed documentation Any other use may result in personal injury or property damage Do not mount the Sunny Island on flammable construction materials Do not mount the Sunny Island in areas containing highly flammable materials Do not mount the Sunny Island in potentially explosive atmospheres The Sunny Island has been designed for use at elevations of up to 3 000 m above MSL Life threatening voltages occur in the Sunny Island e Never operate the Sunny Island without the enclosure lid in place 12 SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 2 Safety AC sources in the stand alone grid can be used for energy supply Too much power from the AC sources in the stand alone grid can lead to system failures e Observe the maximum power from AC sources in the stand alone grid that can be connected to the AC1 terminal see Section 12 Technical Data page 144 In a cluster the powers of the individual Sunny Islands are added to yield the total maximum power The Sunny Island uses batteries for energy storage The rated voltage of the battery must correspond
100. lated control contacts 2 multifunction relays AC load switching limit for multi function relays 1 and 2 1 Aat 250 V DC load switching limit for multifunction relays 1 and 2 See DC load limitation curve DC Load Limitation Curve 400 300 200 100 Voltage V DC Loads 10 0 1 g Current A Figure 31 DC load limitation curve for multi function relays 1 and 2 General Data Operating temperature range 257C at O60 GC 0 100 Protection class according to EC 62103 S 148 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 12 Technical Data 12 2 Sunny Island 6 0H AC1 Connection Stand Alone Grid Depemntgovrorcg For every 1 000 W of power of the wind power inverters the maximum connectable power of the PV inverters decreases by 2 000 W AC2 Connection External Energy Source Maximum AC input power 11 500 W Rated input voltage 230 V AC input voltage range 172 5 V 264 5 V Rated input frequency Installation Manual SI80H 60H OffGrid lA en 1 1 149 12 Technical Data SMA Solar Technology AG Permitted input frequency range 40 Hz 70 Hz Recommended conductor cross section DC Connection Battery Scop type FLA a ae Battery capacity range ssi capacity range 100 100Ah 10 000Ah 10 000 Ah Recommended minimum battery capacity C10 per off grid 190 Ah inverter Recommended minimum battery capacity C10 for every 100 Ah 1 000 W of power from AC sources
101. lation from the DC cable and mount a terminal lug 6 Attach two M32 cable glands with counter nuts to the DC and DC enclosure openings Lead the DC cable through the cable gland for DC into the off grid inverter 38 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection 8 NOTICE Damage to the off grid inverter due to reverse polarity e Install the DC cable in the cable channel for DC cables Look for the designation in the cable channel e Fasten the DC cable to the DC terminal using an M8x20 screw and an Allen key AF 6 torque 4 Nm 5 7 Nm 9 Strip the insulation from the DC cable and mount a terminal lug 10 Lead the DC cable through the cable gland for DC into the off grid inverter 11 Install the DC cable in the cable channel for DC OOO OO00O cables Look for the designation in the cable CER REY channel A 9 99 i a UI oma ook io CCO E 12 Fasten the DC cable to the DC terminal using an M8x20 screw and an Allen key AF 6 torque 4 Nm 5 7 Nm 13 Tighten the swivel nuts of the cable glands 6 7 Installing Protective Devices for DC Sources If you install DC sources you must install the following protective devices e Ifthe applicable local standards and directives require a fuse swi
102. le must not exceed 20 m C The data cable must correspond to the CAT5e classification Requirement L1 The cable feed through plate must be removed see Section 6 15 1 e Lead the RJ45 data cable through the enclosure opening of the cable feedthrough plate and plug it into the Display socket 6 15 3 Connecting the Cable for Internal Communication between Clusters In a cluster the inverters communicate internally via a black RJ45 data cable Requirements C1 The total length of the communication bus must not exceed 30 m L1 The cable feed through plate must be removed see Section 6 15 1 1 Remove the terminator from the ComSyncOut socket in the master and plug it into the ComSyncln socket 2 Connect the master with slave 1 e Lead the RJ45 data cable through the enclosure opening of the cable feedthrough plate of the master and plug it into the ComSyncOut socket e Lead the other end of the RJ45 data cable through the enclosure opening of the cable feed through plate of slave 1 and plug it into the ComSynceln socket 3 Ifthe cluster consists of two off grid inverters leave the terminator plugged into the ComSynOut socket of slave 1 4 Ifthe cluster consists of three off grid inverters connect slave 1 to slave 2 e Remove the terminator from the ComSyncOut socket of slave 1 e Lead the RJ45 data cable through the enclosure opening for the cable feed through plate of slave 1 and plug it into the ComSyncOut socket
103. le position using a sharp object Strip the insulation from the cable for the connection of the GenMan and press bootlace ferrules onto the four wires Lead the cable through the hole in the cable feed through plate into the off grid inverter A WARNING Danger to life from electric shock due to incorrect insulation e Cut the silicone tube to the length of the wires e Pull the silicone tube over the wires for the multi function relay M The wires are double insulated e Lead the wires into the off grid inverter in such a way that they do not touch any data cables Connect the Gen Request connection to the Relay1 NO terminal using the 3 pole terminal torque 0 5 Nm 0 6 Nm Connect the Gen Request connection to the Relay C terminal using the 3 pole terminal torque 0 5 Nm 0 6 Nm Connect the Gen Ready connection to the DigIn terminal using the 4 pole terminal torque 0 5 Nm 0 6 Nm Connect the Gen Ready connection to the DigIn terminal using the 4 pole terminal torque 0 5 Nm 0 6 Nm Connect the GenMan to the generator see the GenMan technical description Enter the function of the multi function relay used in the configuration table see Section 7 10 1 Use of the Multi Function Relays page 90 Note the AutoGn value Installation Manual SI80H 60H OffGrid lA en 1 1 59 6 Electrical Connection SMA Solar Technology AG 6 22 Connecting the Control Cables of the Load Shedding Contac
104. ll then know the present battery charging current 3 Select the limit for the charging current of the battery 222 01 BatChrgCurMax and note the value You can then undo the following changes 4 Set the limit for the charging current of the battery 222 01 BatChrgCurMax to a current that is significantly lower than the charging current of the battery 120 06 TotBatCur 5 Check whether the stand alone grid frequency 112 05 InvFrq is 1 Hz to 2 Hz higher than the rated frequency of the stand alone grid If the stand alone grid frequency increases by less than 1 Hz not all PV inverters and wind power inverters are configured for stand alone grid operation Set the PV inverters and wind power inverters to stand alone grid operation see the manuals of the PV inverters and wind power inverters 6 Select the 222 01 BatChrgCurMax parameter and set it to the limit noted in step 3 7 25 Charging the Battery Ensure that the wiring has been checked see Section 7 2 Ensure that the functional test has been carried out see Section 7 24 Connect or close the miniature circuit breakers and fuse switch disconnectors for energy sources Disconnect or open all loads the miniature circuit breakers of the loads and the fuse switch disconnectors As a result only the energy sources will be connected to the off grid inverter Start the off grid system see Section 7 24 2 The off grid inverter starts charging the battery automatically Installat
105. llowed and does not require permission SMA Factory Warranty The current guarantee conditions come enclosed with your device These are also available online at www SMA de and can be downloaded or are available on paper from the usual sales channels if required Trademarks All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product or brand is not a registered trademark The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by SMA Solar Technology AG is under licence SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E Mail info SMA de 2004 to 2012 SMA Solar Technology AG All rights reserved Installation Manual SI80H 60H OffGrid lA en 1 1 155 SMA Solar Technology SMA Solar Technology AG www SMA de SMA America LLC www SMA America com SMA Technology Australia Pty Ltd www SMA Australia com au SMA Benelux SPRL www SMA Benelux com SMA Beijing Commercial Co Ltd www SMA China com SMA Czech Republic s r o www SMA Czech com SMA France S A S www SMA France com SMA Hellas AE www SMA Hellas com SMA Ib rica Tecnologia Solar S L www SMA lberica com SMA Italia S r l www SMA ltalia com SMA Technology Korea Co Ltd www SMA Korea com
106. luster Box Requirements L The total length of the communication bus must not exceed 30 m C The cable feed through plate must be removed see Section 6 15 1 Remove the terminator from the ComSyncln socket on the master of the main cluster 2 Lead the black RJ45 data cable through the enclosure opening of the cable feed through plate and plug it into the ComSyneln socket 3 Connect the other end of the black RJ45 data cable to the Multicluster Box see Multicluster Box installation manual Installation Manual SI80H 60H OffGrid lA en 1 1 A7 6 Electrical Connection SMA Solar Technology AG 6 15 6 Connecting Control and Measuring Cables for Multicluster Box For a multicluster system the Multicluster Box communicates control and measuring data with the three off grid inverters via three red RJ45 data cables The red RJ45 data cables are part of the scope of delivery of the Multicluster Box Requirement LI The cable feed through plate must be removed see Section 6 15 1 e Lead the red RJ45 data cable from the Multicluster Box through the enclosure opening of the cable feedthrough plate and plug it into the Backup VtgCur socket 6 15 7 Connecting the Cable for Multicluster Communication In a multicluster system the masters of the various clusters communicate with each other An SI SYSCAN BGx communication interface must be installed in every master for Multicluster communication This communication is not necessary for a
107. m up time has elapsed the off grid inverter switches the stand alone grid to the generator voltage Minimum run time The minimum run time begins after the warm up time has ended During the minimum run time the generator supplies current in order to charge the battery and to supply power to the loads The minimum run time prevents short generator run times Shut off delay time When the minimum run time has elapsed and the reason for the generator request no longer exists generator management disconnects the generator from the stand alone grid The shut off delay time starts after this disconnection During the shut off delay time the generator operates without a load and the equipment slowly cools down Minimum stop time The minimum stop time begins after the shut off delay time During the minimum stop time the generator remains stopped In this way the generator management avoids frequent generator starts Frequent starts result in faster wear of the generator motor 132 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 10 External Energy Sources in the Off Grid System 10 7 4 Electrical Limiting Values for the Generator The configuration of electrical limiting values allows generator management to prevent overloading of the generator and to detect and react to malfunctions Configurable limit Maximum generator current Generator management limits the consumption of generator current to a set maximum valu
108. m2 PE connection to earth The PE wires must be earthed for example by means of a connection to an earthing busbar or a foundation earth electrode In a TN system N and PE Ensure by measuring that there is a connection conducting connection between N and PE Earthing of the battery Ensure that the battery is not earthed unintentionally If the battery has been earthed intentionally ensure that the conductor cross section is sufficient see Section 6 5 Earthing the Battery page 36 70 SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning Checklist for Additional Earthing If the battery is earthed you must check the additional earthing on the off grid inverter Check item Check criterion Not applicable Conductor cross section for The conductor cross section must correspond the additional earthing to the conductor cross section of the battery earthing Additional earthing terminal Hexagon socket screw is screwed tight torque 4 Nm 5 7 Nm PE connection to earth The PE wires must be earthed for example through a connection to an earthing busbar or a foundation earth electrode Checklist for DC Connection of the Off Grid Inverter Check item Check criterion Not applicable Enclosure opening for DC The diameter of the DC cable must be 14 mm 25 mm in the M32 cable gland DC connection Terminal lugs are pressed on firmly Terminal lugs on the off grid inve
109. man y www SMA de SUNNY ISLAND Off Grid Inverter Made in Germany B Type Serial No SI X XH XX XXXXX XXX A XXX V XX Hz C XXXX W XX A XX A in max Power Factor X X cosh v A na Se 7 N Ss IP54 Protective Class G CE On TT XXXXX AA Figure 6 Layout of the type label Postion Descipfion O O O O O Bo Serial No Inverter serial number Device specific characteristics Eoo The information on the type label is intended to help you in the safe use of the off grid inverter and will be needed when you contact the SMA Service Line The type label must remain permanently attached to the off grid inverter 20 SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG Symbols on the Type Label 4 Product Description Symbol Danger to life due to high voltages Risk of burns from hot surfaces Observe the documentation The off grid inverter operates at high voltages All work on the off grid inverter must be carried out by skilled persons only see Section 2 2 The off grid inverter can become hot during operation Avoid contact during operation Allow the off grid inverter to cool down sufficiently before carrying out any work Wear personal protective equipment such as safety gloves Observe all documentation that is supplied with the off grid inverter Transformer The off grid i
110. multicluster system with one cluster If the off grid inverter was ordered with the Communication for Multicluster system order option SILSYSCAN BGx is installed on every master Figure 14 Design of SISYSCAN BGx Position Description Mounting hole B Type labe SysCanOut socket io SysCanIn socket A8 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection Cable requirement C The data cable must correspond to the CAT5e classification Requirement LC The cable feed through plate must be removed from every master see Section 6 15 1 1 If no SLSYSCAN BGx communication interface is installed install SILSYSCAN BGx in every master see SISYSCAN NR mounting instructions 2 Remove the terminator from the SysCanOut socket on the master of the main cluster and plug it into the SysCanIn socket 3 Lead the yellow RJ45 data cable through the enclosure opening of the cable feed through plate on the master of the main cluster and plug the cable into the SysCanOut socket 4 Lead the other end of the yellow RJ45 data cable through the enclosure opening of the cable feed through plate on the master of extension cluster 1 and plug it into the SysCanIn socket 5 Connect the other extension clusters with each other as described in steps 3 and 4 Remove the terminators here 6 Leave the terminator plugged into the unused SysCanOut socket The communication bus is equipped wit
111. nction relay opens the connected load shedding contactor for the first level of load shedding The load shedding contactor disconnects those loads from the stand alone grid that are to be disconnected for the first level When the state of charge of the battery reaches the second lower SOC limiting value the multi function relay opens the connected load shedding contactor for the second level of load shedding The load shedding contactor disconnects the remaining loads from the stand alone grid When the state of charge of the battery reaches the second upper SOC limiting value during recharging the multi function relay closes the connected load shedding contactor for the second level of load shedding The load shedding contactor connects those loads to the stand alone grid that were disconnected for the second level When the state of charge of the battery reaches the first upper SOC limiting value during recharging the multi function relay closes the connected load shedding contactor for the first level of load shedding The load shedding contactor connects those loads to the stand alone grid that were disconnected for the first level All loads are now reconnected to the stand alone grid SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning Requirement O Ina cluster the Sunny Remote Control must be connected to the master Switch to installer mode see Section 7 5 2 Setting the first level of l
112. ncy Synchronisation Automatic frequency synchronisation allows for the use of timepieces using the power frequency as a timer In this way the power frequency dictates the accuracy of the timepiece In the case of power frequencies with ongoing frequency deviations from the rated frequency the time indications will become increasingly inaccurate Ongoing frequency deviations occur in off grid systems with PV inverters and generators for example If the automatic frequency synchronisation is activated the off grid inverter regulates the frequency deviations during the day The timepiece in the off grid inverter is quartz controlled and is not dependent on the power frequency Switch to expert mode see Section 7 6 2 To deactivate automatic frequency synchronisation select the 250 11 AfraEna parameter and set it to Disable 3 To activate automatic frequency synchronisation select the 250 11 AfraEna parameter and set it to Enable 114 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 24 Functional Test 7 24 1 Testing Communication Interfaces If communication interfaces are installed in the off grid inverter test that they have been installed correctly as follows 1 Switch to installer mode see Section 7 5 2 To test the installation of the SLSYSCAN BGx Multicluster communication interface select the 312 15 ComMod1 parameter and read off the value MI The value is SI SysCan
113. nd Measuring Cables Check item Check criterion Not applicable Battery temperature sensor The battery temperature sensor is connected to the BatTmp terminal The battery temperature sensor is attached at the centre of the battery bank on the upper third of the battery cell Control and measuring cables The control and measuring cables are of the Multicluster Box if correctly connected see Multicluster Box present manual Measuring cable of the The measuring cable of the battery current battery current sensor if sensor is connected to the BatCur terminal present with the correct polarity see Section 6 7 Installing Protective Devices for DC Sources page 39 Load shedding activation if The multifunction relay and the load present shedding contactors are correctly connected see Section 6 22 Connecting the Control Cables of the Load Shedding Contactors page 60 Installation Manual SI8OH 60H OffGrid lA en 1 1 73 7 Commissioning SMA Solar Technology AG Check item Check criterion Not applicable Communication with Sunny The RJ45 data cable between the Island Charger 50 if present Sunny Island Charger 50 and the off grid inverter is correctly connected see Sunny Island Charger 50 manual Checking for Wiring of the Communication Products If communication products are present the following steps must be carried out Check item Check criterion Not applicable Sunny WebBox electricity T
114. nd alone grid or the Multicluster is connected to the ACI Loads SunnyBoys terminals If an external energy source is The external energy source is connected to connected AC2 terminal the AC2 Gen Grid terminal For a TN system the neutral conductor is connected to the AC2 Gen Grid N terminal For a TT system the neutral conductor is connected to the AC2 Gen Grid N terminal In a three phase system The allocation of the off grid inverters to the allocation of the off grid line conductors of the stand alone grid or the inverters Multicluster Box results in a right hand rotating magnetic field Master must be assigned to L1 slave 1 must be assigned to L2 slave 2 must be assigned to L3 72 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning Checking for Generator Connection If a generator is present the following steps must be carried out Check item Check criterion Not applicable Connection cable The conductor cross section is sufficient for the maximum generator current The cables are sufficiently protected by miniature circuit breakers Allocation of the line The allocation of the off grid inverters to the conductors for a three phase line conductors of the generator results in a off grid system right hand rotating magnetic field Master must be assigned to L1 slave 1 must be a to L2 slave 2 must be assigned to The generator is earthed a Checking for Control a
115. ne grid Figure 5 Design of the Sunny Island Position Description S A Ventilation grid I Type label Control panel o Enclosure lid The Sunny Island supplies AC loads in the stand alone grid from a battery or charges the battery with the energy provided by sources on the AC side AC sources in the stand alone grid e g PV inverters supply loads and are used by the off grid inverter to recharge the battery In order to increase the availability of the stand alone grid and reduce the battery capacity the Sunny Island can use and control external energy sources e g a generator as an energy reserve The Sunny Island supplies the loads with active power and reactive power The loads may temporarily overload the Sunny Island If there is a short circuit in the stand alone grid the Sunny Island also briefly feeds short circuit currents into the stand alone grid As a result the Sunny Island may trip the miniature circuit breaker Miniature circuit breakers only disconnect electric circuits that are affected by the fault The off grid system must be a TN or TT system The Sunny Island does not support IT systems Installation Manual SI80H 60H OffGrid lA en 1 1 19 A Product Description SMA Solar Technology AG 4 2 Type Label The type label identifies the off grid inverter The type label is located on the right hand side of the enclosure SMA Solar Technology AG ma Sonnena llee 1 34266 Niestetal yaaa A Ger
116. nects those loads from the stand alone grid that are to be disconnected for the first level e When the state of charge of the battery reaches the second lower SOC limiting value the multi function relay opens the connected load shedding contactor for the second level of load shedding The load shedding contactor disconnects the remaining loads from the stand alone grid e When the state of charge of the battery reaches the second upper SOC limiting value during recharging the multi function relay closes the connected load shedding contactor for the second level of load shedding The load shedding contactor connects those loads to the stand alone grid that were disconnected for the second level e When the state of charge of the battery reaches the first upper SOC limiting value during recharging the multifunction relay closes the connected load shedding contactor for the first level of load shedding The load shedding contactor connects those loads to the stand alone grid that were disconnected for the first level All loads are now reconnected to the stand alone grid Requirement O Ina cluster the Sunny Remote Control must be connected to the master 1 Switch to installer mode see Section 7 5 2 Select the 242 05 Lod1Tm1 Str parameter and set it to the start time for the first interval 3 Select the 242 06 Lod1Tm2Str parameter and set it to the start time for the second interval 4 Setting the SOC limiting value for the first int
117. ngs of the battery against open flames embers or sparks e Install maintain and operate the battery according to the manufacturer s specifications e Do not throw batteries into fire Acid Burns and Poisoning If handled inappropriately electrolyte from the battery can burn the skin or eyes and or be Poisonous e Protect the battery enclosure against destruction Do not open or deform the battery e Whenever working on the battery wear rubber gloves rubber boots and goggles e Rinse acid splashes with clear water and consult a doctor e Install maintain and operate the battery according to the manufacturer s specifications Crushing Moving parts on the generator can crush or sever body parts The generator can be started automatically by the off grid inverter e Only operate the generator with the safety equipment e Install maintain and operate the generator according to the manufacturer s specifications 14 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 2 Safety Burn Hazards Some parts of the enclosure can become hot during operation e During operation touch the off grid inverter on the enclosure lid only Shortcircuit currents in the battery can cause heat build up and electric arcs Observe the following safety rules before working on the battery e Remove watches rings and other metal objects e Use insulated tools e Do not place tools or metal parts on the battery Electr
118. nsfer relay When the internal transfer relay is closed the external energy source determines the voltage and frequency in the stand alone grid 10 5 Interactions between External Energy Sources and the Stand Alone Grid External energy sources influence the power control of the AC sources in the stand alone grid e g PV inverters The off grid inverter regulates the power output of the connected AC sources by means of the stand alone grid frequency The higher the stand alone grid frequency the lower the power that is fed into the stand alone grid from the PV inverters and wind power inverters If you start a generator manually the off grid inverter synchronises the frequency of the stand alone grid to the frequency of the generator voltage and connects the stand alone grid to the generator voltage Power control of the AC sources in the stand alone grid is therefore not possible during synchronisation The off grid inverter briefly raises the stand alone grid frequency to the shutdown limit value of the AC sources if all of the following items apply e The target value of the cell voltage of the battery has been reached e The AC sources in the stand alone grid are limited in their power output by the off grid inverter e The external energy source meets the conditions for the synchronisation of the stand alone grid to the voltage of the external energy source The AC sources switch off due to the significant increase in frequency In th
119. nverter has a transformer IP54 The off grid inverter is protected against dust deposits and water splashes from all angles Protection class Certified safety ha Australian mark of conformity Proper disposal Installation Manual All enclosure parts are earthed The off grid inverter is VDE tested Association for Electrical Electronic and Information Technologies and complies with the requirements of the German Equipment and Product Safety Act CE marking The off grid inverter complies with the requirements of the applicable EC directives The off grid inverter complies with the requirements of the applicable Australian directives Do not dispose of the off grid inverter together with the household waste SI80H 60H OffGrid lA en 1 1 2 A Product Description SMA Solar Technology AG 4 3 Off Grid Inverter Control Panel H Figure 7 Layout of the control panel Start stop button Press the start stop button to start or stop the off grid system In display messages on the Sunny Remote Control the start stop button is referred to as TSS Activation button Pressing the activation button will switch on the off grid inverter After switching on the off grid inverter it will enter the standby mode Deactivation Pressing the deactivation button will button switch off the off grid inverter Inverter LED The off grid inverter is switched o
120. oad shedding e Select the 242 01 Lod1SocTm1 Str parameter and set it to the lower SOC limiting value e Select the 242 02 Lod1SocTm1Stp parameter and set it to the upper SOC limiting value e Set the 242 05 Lod1Tm1 Str and 242 06 Lod1Tm2Str parameters to the same value e g both to 000000 This switches off time dependent load shedding e Ensure that the parameter of the multi function relay is set to AutoLod1 Soc see Section 7 10 2 3 Setting the second level of load shedding e Select the 242 07 Lod2SocTm1 Str parameter and set it to the lower SOC limiting value Select the 242 08 Lod2SocTm1Stp parameter and set it to the upper SOC limiting value e Set the 242 11 Lod2Tm1 Str and 242 12 Lod2Tm2Str parameters to the same value e g to 000000 This switches off time dependent load shedding e Ensure that the parameter of the multi function relay is set to AutoLod2Soc see Section 7 10 2 7 10 5 Setting Time Dependent 1 Level Load Shedding Time dependent load shedding divides the day into two intervals see Section 7 7 Setting Time Dependent Functions page 89 You set the SOC limits that apply for each interval For example you can set that as far as possible no loads are to be disconnected from the stand alone grid during the day Significance of the SOC limiting values When the state of charge of the battery reaches the lower SOC limiting value the multi function relay opens the connected load shedding contactor The l
121. oad shedding contactor disconnects the loads from the stand alone grid When the state of charge of the battery reaches the upper SOC limiting value during recharging the multi function relay closes the connected load shedding contactor The load shedding contactor connects the loads to the stand alone grid Installation Manual SI8O0H 60H OffGrid lA en 1 1 93 7 Commissioning SMA Solar Technology AG Example from 10 00 p m to 6 00 a m the load shedding contactor is not to disconnect loads from the stand alone grid where possible SOC 80 40 30 12 a m 6 a m 10 p m i I Figure 25 Profile of the SOC limiting values for controlling the load shedding contactor and the start times for the intervals The start time for the first interval is set to 6 00 a m The lower SOC limiting value is set to 40 and the upper SOC limiting value is set to 80 in this time interval The start time for the second interval is set to 10 00 p m The lower SOC limiting value is set to 30 and the upper SOC limiting value is set to 40 in this time interval Requirement O Ina cluster the Sunny Remote Control must be connected to the master 1 Switch to installer mode see Section 7 5 2 Select the 242 05 Lod1Tm1 Str parameter and set it to the start time for the first interval 3 Select the 242 06 Lod1Tm2Str parameter and set it to the start time for the second interval 4 Select the 242 01 Lod1SocTm1 Str parameter and set it to
122. oes not have an electric starting device set Manual and press the button e If the generator can be started and stopped using one contact set Autostart and press the button e If the generator is controlled using GenMan set GenMan and press the button e Confirm the generator interface with Y Setting the earthing system of the off grid system Select the 003 24 GndTyp parameter and eae press the button Shue e Fora TN system set TN and confirm the entry e Fora TT system set TT and confirm e Confirm the earthing system with Y Installation Manual SI80H 60H OffGrid lA en 1 1 81 7 Commissioning SMA Solar Technology AG 17 18 19 20 Zi 22 23 24 23 26 82 Turn the button to the right MM The Sunny Remote Control shows the last page ee Gk eRe est SEES of Setup new device Suet one Ae etn Seer ye Press the button and confirm the question Done with Y MI The settings are adopted The QCG asks about p gt LLL connected slaves in the off grid system etc acai 7 a a pa ae es For a single system terminate Setup Slaves with N M The off grid inverter switches to standard mode and the QCG is terminated For a single cluster system confirm Setup Slaves with Y Wait until the inverter LED of slave 1 flashes and the Sunny Remote Control displays To identify Slavel press Tss on the Slv Press the startstop button on slave 1 M
123. of the SOC and the times for generator requests The start time for the first interval is set to 6 00 a m In the first interval the lower SOC limiting value is set to 40 and the upper SOC limiting value is set to 80 The start time for the second interval is set to 10 00 p m In the second interval the lower SOC limiting value is set to 30 and the upper SOC limiting value is set to 40 Switch to installer mode see Section 7 5 2 Select the 235 07 GnTm1Str parameter and set it to the start time for the first interval Select the 235 03 GnSocTm1 Str parameter and set it to the lower SOC limiting value during the first interval 4 Select the 235 04 GnSocTm1 Stp parameter and set it to the upper SOC limiting value during the first interval 5 Select the 235 08 GnTm2Str parameter and set it to the start time for the second interval Select the 235 05 GnSocTm2Str parameter and set it to the lower SOC limiting value during the second interval 7 Select the 235 06 GnSocTm2Stp parameter and set it to the upper SOC limiting value during the second interval 108 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 17 4 Setting Load Dependent Generator Request Significance of load dependent generator request If you activate the load dependent generator request the off grid inverter requests the generator in the event of a high load This prevents deep discharge and cycling of the battery and
124. olar Technology AG Changing the Battery Protection Mode 45 98 Setting the Resistance of the Battery Cable 100 Commissioning the Battery Current Sensor 101 Configuring the Limiting Values for the Generator Connection 0 0 cece eee eee eee 102 Changing the Current Limiting Values for the Generator 102 Changing the Voltage Limiting Values for the Generator 103 Changing the Frequency Limiting Values of the Generator Voltage 103 Changing the Permitted Reverse Power to the Generator 104 Setting the Current Limit for the Generator Depending on the Frequency 104 Changing the Type of Generator Interface 105 Configuring Generator Run Times 2 000002 ee aes 105 Changing the Warm Up Time for the Generator 0000 105 Changing the Minimum Run Time for the Generator 106 Changing the Shut Off Delay Time for the Generator 106 Changing the Minimum Stop Time for the Generator 106 Configuring the Generator Request 00005 106 Changing the Automatic Generator Mode 00000 cee eee 106 Changing the State Of Charge Dependent Generator Request 107 Setting Time Dependent Generator Request 0000 c eee aes 107 Setting Load Dependent Generator Request 0 0000 e ee na 109 Time Controlled Activation of the Generator n naa 0
125. on the stand alone grid Charge control IUoU charge procedure with automatic full charge and equalisation charge for every 1 000 W in PV plants Efficiency Maximum efficiency European weighted efficiency 93 4 150 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 12 Technical Data Efficiency Profile Efficency Vee 42 VDC V 48VDC V 54VDC 0 0 0 2 0 4 0 6 0 8 1 0 Output power Rated power Figure 32 Efficiency curve Self Consumption Self consumption in standby mode Self consumption in no load operation and in discharge mode lt 26 W without SRC 20 Self consumption in no load operation and in discharge mode lt 27 W with SRC 20 Installation Manual SI80H 60H OffGrid lA en 1 1 151 12 Technical Data SMA Solar Technology AG Noise Emission Noise emission typical 49 dB A Earthing Systems INC system INS system TNCS system TT earthing system if Unpe lt 30 V Protective Devices Ovetenperiue ee overcogecoegoy eccdngwikesoesay Sd Features Nintawtawdae DC load switching limit for multifunction relays 1 and 2 See DC load limitation curve 152 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 12 Technical Data DC Load Limitation Curve Voltage V DC Loads 0 1 1 5 Current A Figure 33 DC load limitation curve for multi function relays 1 and 2 Gener
126. onditions is met e The specified cycle time for equalisation charge has elapsed e g every 30 days e The total of all electric discharges since the last equalisation charge corresponds to 30 times the rated capacity of the battery Installation Manual SI80H 60H OffGrid lA en 1 1 127 9 Battery Management SMA Solar Technology AG To protect or maintain the battery on off grid systems that are used seasonally you can start equalisation charge manually see the operating manual of the off grid inverter i External charging device An external charging device or a charge controller can also carry out equalisation charge of the battery The off grid inverter treats equalisation charge by an external charge controller as equivalent to a equalisation charge that it carries out itself 9 2 3 Automatic Temperature Compensation The charging capability of the battery is dependent on temperature To prevent overcharging and insufficient charging of the battery battery management has an automatic temperature compensation function For temperatures over 20 C battery management increases the charging voltage For temperatures under 20 C battery management reduces the charging voltage 128 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 10 External Energy Sources in the Off Grid System 10 External Energy Sources in the Off Grid System 10 1 Generator as an External Energy Source A generator in the off gri
127. ostatic Discharge ESD By touching electronic components you can damage or destroy the off grid inverter e Earth yourself before touching any components Installation Manual SI80H 60H OffGrid lA en 1 1 15 3 Scope of Delivery SMA Solar Technology AG 3 Scope of Delivery Check the delivery for completeness and any externally visible damage Contact your specialist dealer if the delivery is incomplete or damaged D E F Figure 2 Components included in the scope of delivery Quantity Sunny Island Ventilation grid 2 Wall mounting bracket CE T Wal men 2 Heragen sok sew MoI 2 Heragen socket ssew M xI6 2 Heragen e 2 Concssping washer M y i bee OSS a De OOO O o y y C e able gid 20S Gounrvtfor cable glnd y y a cabled as 2 Cour vtfr cable gnd M25 2 femea OO 2 Cour vitor cable ged G2 1 megn 16 SI80H 60H OffGrid lA en 1 1 Installation Manual 1 1 2 2 2 2 2 2 2 2 2 2 S SMA Solar Technology AG 3 Scope of Delivery Coa Guantiy Descipfion OOOO T pho mes u i Block R45 daa cable CATS 2m it Cable support sleeve for 1 cable Cable support sleeve for 2 cables Installation manual operating manual Technical description Parameter document document set with explanations and certificates 1 spare part for the enclosure lid included Communication for RS485 Order Option The following components are added to the scope of delivery A B C D E o
128. protection mode Battery protection mode protects the battery If the battery falls below the limiting values for the state of charge SOC the battery protection mode activates In battery protection mode the off grid inverter switches to standby or automatically switches off Battery protection mode has three levels There is one SOC limiting value that can be set for each level Levels 1 and 2 of battery protection mode are time dependent with start and end times see Section 7 7 Setting Time Dependent Functions page 89 e Level If the battery falls below the SOC limiting value for level 1 the off grid inverter switches to standby between the start time and end time In this way you can specify times for which you prefer the stand alone grid to be switched off if there is an energy deficit 98 SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning e Level 2 If the battery falls below the SOC limiting value for level 2 the off grid inverter switches to standby The off grid inverter tries to charge the battery during the day when the PV inverters can supply energy Using the start and end times you set the time period during which the off grid inverter starts to charge the battery every two hours If there is no energy available to charge the battery the off grid inverter remains in standby e Level 3 If the battery falls below the SOC limiting value for level 3 the off grid inverter automa
129. r a Generator If you install a generator you must install the following protective devices If the applicable local standards and directives require a fuse switch disconnector install a fuse switch disconnector between the generator and off grid inverter If a fuse switch disconnector is installed dimension the fuse links Observe the rated current of all off grid inverters the type of installation and the conductor cross section of the connection cable If the output of the generator is not protected connect the generator in such a manner that it is protected against earth faults and short circuits For a three phase stand alone grid protect the generator by means of phase monitoring or a motor protection circuit breaker 6 15 Connecting the Communication 6 15 1 Removing the Cable Feed Through Plate When connecting RJ45 data cables for communication you must remove the cable feed through plate l 2 Remove the cable feed through plate from the enclosure by pushing it towards the outside Keep the cable feed through plate in a safe place Installation Manual SI80H 60H OffGrid lA en 1 1 45 6 Electrical Connection SMA Solar Technology AG 6 15 2 Connecting the Sunny Remote Control A data cable is included with the Sunny Remote Control for connection purposes If the data cable is not long enough you can use a long CAT5eF TP patch cable with an RJ45 plug instead Cable requirements LO The length of the data cab
130. r equalisation charge select the 235 18 GnStrChrgMod parameter and set it to Equal 3 To request the generator in the event of full charge select the 235 18 GnStrChrgMod parameter and set it to Full 4 To request the generator in the event of equalisation charge and full charge select the 235 18 GnStrChrgMod parameter and set it to Both 5 To deactivate generator request depending on the charging process of the battery select the 235 18 GnStrChrgMod parameter and set it to Off 110 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 17 7 Setting the External Generator Request Significance of external generator request An external control signal can transfer a generator request to the generator management Switch to expert mode see Section 7 5 2 To activate external generator request select the 235 19 GnStrDigIn parameter and set it to Enable 3 To deactivate external generator request select the 235 19 GnStrDigIn parameter and set it to Disable 7 18 Setting the Procedure in the Event of an Aborted Start of the Generator Operating procedure if an aborted strat of the generator is detected If the off grid inverter detects a generator false start e g voltage too high the off grid inverter does not switch the stand alone grid to the generator If there is another request for the generator after the minimum stop time the off grid inverter attempts to start the genera
131. r nut Remove the cable jacket and strip 13 mm of insulation from all wires Lead the cable through the cable gland into the off grid inverter Connect the wires to the AC1 Loads SunnyBoys terminals e Insert N into the N terminal as far as it will go and move the lever downward Insert Linto the L terminal as far as it will go and move the lever downward e Inthe case of a three core cable insert the PE into the PE terminal as far as it will go and move the lever downward Tighten the swivel nut of the cable gland SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection 6 10 Connecting an External Energy Source If you are installing an external energy source connect the generator or the electricity grid to the AC2 terminal of the off grid inverter The AC2 terminal is single phase For a multicluster system connect the external energy source directly to the Multicluster Box see the Multicluster Box installation manual Li Li Requirements for operation on the electricity grid The off grid inverter does not meet the requirements for operation on the electricity grid in many countries e Ensure that the local standards and requirements are met Combination of electricity grid and generator You can implement a combination of the electricity grid and a generator as an energy reserve The generator and electricity grid cannot feed electricity into the off grid system at the same
132. red limit for load shedding You can then check when the load shedding contactor should discard the loads IM The load shedding contactor discards the loads X Does the load shedding contactor not discard the loads The multi function relay for activating the load shedding contactor is incorrectly configured e Check the configuration and rectify the fault There is a fault in the wiring of the load shedding contactor e Select the parameter of the multi function relay for the load shedding contactor e g 241 02 Rly2Op for the Relay 2 multifunction relay of the master e Note the setting e Alternately set the parameter to On or Off In this way you can isolate the fault e Rectify the fault e Set the parameter to the setting that has been noted Switch off the loads and the miniature circuit breakers of the AC loads in the sub distribution SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 24 6 Testing the Frequency Shift Power Control Requirements O All AC loads must be switched off C1 The miniature circuit breakers for the external energy source must be switched off O The off grid inverter must be in operation see Section 7 24 2 Starting the Off Grid System page 116 LC The PV inverters or the wind power inverters must be feeding current into the stand alone grid Switch to installer mode see Section 7 5 2 Select the 120 06 TotBatCur parameter and note the value You wi
133. red limit grid management requests the electricity grid The electricity grid then supplies power to the loads This reduces the load on the battery Time controlled request You can set the days times and durations for electricity grid request by grid management Charging process dependent You can configure whether the electricity grid is activated for full request charge equalisation charge or both charging processes 10 11 Operating Modes for the Electricity Grid The off grid inverter distinguishes between two operating modes Charge mode Charge mode on the electricity grid is characterised by the off grid inverter charging the battery or receiving battery charge Silent mode The off grid inverter saves energy in silent mode In silent mode the off grid inverter is in standby and the electricity grid supplies the loads The off grid inverter regularly exits silent mode in order to recharge the battery If the off grid inverter is in silent mode a grid failure can lead to a brief failure of the stand alone grid In this case the loads are temporarily not supplied with power Installation Manual SI80H 60H OffGrid lA en 1 1 141 10 External Energy Sources in the Off Grid System SMA Solar Technology AG 10 12 Operating Procedure for Grid Control Event or state Internal transfer relay Grid management Open the activates the electricity grid stand alone grid is The line voltage is within the In order for grid mana
134. rid inverter e Earth yourself before touching any components Unscrew all screws of the enclosure lid and remove the enclosure lid Ensure that the DC connection is disconnected from voltage sources Ensure that the terminals AC1 Loads SunnyBoys and AC2 Gen Grid are disconnected from voltage sources Earth and short circuit the AC conductors Cover or safeguard any adjacent live components 8 2 Disassembling the Off Grid Inverter 1 2 3 4 Disconnect the off grid inverter from voltage sources see Section 8 1 Remove all cables from the off grid inverter Close the off grid inverter see Section 7 3 Remove the ventilation grids sideways T DD g F Q ay Installation Manual SI80H 60H OffGrid lA en 1 1 121 8 Decommissioning SMA Solar Technology AG 5 If the off grid inverter is protected against theft loosen the safety screws 6 Loosen the screws between the off grid inverter and the wall mounting bracket on both sides using an Allen key AF 5 7 CAUTION Risk of injury due to the heavy weight of the off grid inverter e Take into account the weight of the off grid inverter see Section 12 Technical Data page 144 e Lift the off grid inverter upwards and off the wall mounting bracket To do this use the side recess grips or a steel rod diameter maximum 30 mm Keep the off grid inv
135. rs with an autostart function select the 234 12 GnWarmTm parameter and set the warm up time to be at least half the internal warm up time of the generator e For generators without an autostart function select the 234 12 GnWarmTm parameter and set the warm up time to be at least half the internal warm up time of the generator e For generators with GenMan select the 234 12 GnWarmTm parameter and set the warm up time to be at least six minutes MM The generator start is not aborted prematurely Installation Manual SI80H 60H OffGrid lA en 1 1 105 7 Commissioning SMA Solar Technology AG 7 16 2 Changing the Minimum Run Time for the Generator 1 Switch to installer mode see Section 7 5 2 Select the 234 08 GnOpTmMin parameter and set it to the desired value 7 16 3 Changing the Shut Off Delay Time for the Generator i GenMan shut off delay time GenMan has its own shut off delay e Set the shutoff delay time to be the same as or greater than the shut off delay time of the GenMan i Internal shut off delay of the generator Generators can have an internal shut off delay that is activated only when generator request has been disabled Note that this internal shut off delay increases the actual shut off delay Switch to installer mode see Section 7 5 2 Select the 234 10 GnCoolTm parameter and set it to the desired value 7 16 4 Changing the Minimum Stop Time for the Generator 1 Switch to installer mode see Section
136. rter are screwed tight torque 4 Nm 5 7 Nm DC cables The cables from the battery via the BatFuse to the off grid inverter must not be longer than 10 m The conductor cross section corresponds to the minimum requirements of 50 mm 95 mm recommended conductor cross section see Section 6 6 BatFuse Fuse links are matched to the off grid inverter e SI 8 0H 200A e SI6 0H 160A Cables are attached to the BatFuse with the required torque see BatFuse installation manual DC sources and DC loads if All DC sources and DC loads are installed present according to the manufacturer s specifications Installation Manual SI8OH 60H OffGrid lA en 1 1 7 7 Commissioning SMA Solar Technology AG Check item Check criterion Not applicable Battery current sensor if The battery current sensor can be loaded present with the maximum DC current see technical data of the battery current sensor Checking for AC1 and AC2 Terminals of the Off Grid Inverter Check item Check criterion Not applicable AC1 and AC2 enclosure All enclosure openings are sealed with M25 openings cable glands or filler plugs The core cross section of the cable must be 9 mm 18 mm for an M25 cable aaa AC1 and AC2 terminals All contact areas are All contact areas are free of insulation _ of insulation All levers on the terminals are in the downward eee aa All cables are All cables are securely clamped clamped AC terminal The sta
137. s This is how you calculate the installer password Example The value of the Runtime operating hours is 1234 h The sum of all digits is 1 2 3 4 10 The digit sum is 10 3 Select the Set parameter and press the button Turn the button and set the digit sum that has been calculated 5 Press the button MM The Sunny Remote Control is in installer mode 7 6 Switching to Expert Mode In expert mode you have access to all parameters for the system configuration set in the QCG Expert mode can be accessed from installer mode 1 Switch to installer mode see Section 7 5 2 Select the 700 01 ActLev parameter and set it to Expert 88 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 7 Setting Time Dependent Functions Time dependent functions divide the day into two intervals You specify the intervals using two start times The first interval starts at the first start time and ends at the second start time The second interval begins at the second start time and ends at the first start time Time Interval Int 2 hs Time 2 Figure 24 Division of the time of day into two intervals 7 8 Setting the Time Controlled Functions For time controlled functions you set the start time duration and repetition type Example Time controlled operation of a generator If you want the generator to run every Monday from 07 00 a m to 08 00 a m set the generator as
138. set maximum value Advanced grid management If the set line current is not sufficient for supplying the loads grid management requests additional power from the battery The off grid inverter then feeds additional power from the battery into the stand alone grid 1 Switch to installer mode see Section 7 5 2 Select the 232 03 GdCurNom parameter and set it to the maximum line current 7 20 Changing the Sleep Mode Sleep mode makes it possible to save energy in single phase parallel off grid systems If the power of the loads does not require the power of all off grid inverters the master switches off one or two slaves The power thresholds at which the slaves are switched off and on have been optimised at the factory You cannot change the power threshold Switch to installer mode see Section 7 5 To deactivate sleep mode select the 250 10 SleepEna parameter and set it to Disable 2 3 To activate sleep mode select the 250 10 SleepEna parameter and set it to Enable 4 To activate sleep mode in a time controlled manner activate overnight shutdown and change the times e Select the 250 10 SleepEna parameter and set it to Enable e Select the 250 13 SleepAtNight parameter and set it to Enable e Select the 250 14 SlpStrTm parameter and set it to the start time e Select the 250 15 SlpStpTm parameter and set it to the stop time 112 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning
139. t Significance of the start times and SOC limiting values The time dependent generator request divides the day into two intervals For each interval you set the conditions that apply for generator request see Section 7 7 Setting Time Dependent Functions page 89 For example you set the generator not to start at night This ensures that the noise pollution caused by the generator takes place during the day where possible Both intervals have a lower and an upper SOC limiting value each If the battery reaches the lower SOC limiting value the generator management requests the generator When the battery reaches the upper SOC limiting value during recharging generator management resets this generator request The following settings are possible for the SOC limiting values e The lower SOC limiting value is smaller than the upper SOC limiting value The generator is requested during this interval depending on the state of charge e The lower SOC limiting value is greater than or equal to the upper SOC limiting value The generator is not started depending on the state of charge In this interval the other settings for generator requests apply e g load dependent generator request Installation Manual SI80H 60H OffGrid lA en 1 1 107 7 Commissioning SMA Solar Technology AG Example from 10 00 p m to 6 00 a m the generator is not to start where possible SOC 80 40 30 12 a m 6 a m 10 p m Figure 28 Profile
140. t period of time Boost charge allows for a high degree of utilisation of the generator and leads to gassing of the FLA batteries which in turn leads to equalisation of the electrolyte Full charge The aim of full charge is to charge the battery to a state of charge of at least 95 This should compensate for effects caused by any insufficient charging and should also increase the service life of the battery The off grid inverter carries out full charging of the battery if one of the following conditions is met e The specified cycle time for full charge has elapsed e g every 14 days e The total of all electric discharges since the last full charging corresponds to eight times the rated capacity of the battery i External charging device An external charging device or a charge controller can also carry out full charge of the battery The Sunny Island treats this full charge as equivalent to a full charge that it carries out itself Equalisation Charge With equalisation charge the off grid inverter neutralises differences in the states of charge of individual battery cells that have resulted from the differing behaviour of various battery cells In this way the off grid inverter prevents the premature failure of individual battery cells and increases the service life of the battery The off grid inverter carries out an equalisation charge of the battery if the automatic equalisation charge is activated and one of the following c
141. tVtg after the minimum time the multi function relay switches back to the NC position The target value of the cell voltage depends on the charging process during the constant voltage phase Installation Manual SI80H 60H OffGrid lA en 1 1 97 7 Commissioning SMA Solar Technology AG Charging process Default value Boost charge 222 07 ChrgVtgBoost 2 40 V 2 55V Full charge 222 08 ChrgVigFul VRLA 2 40 V 2 50 V Equalisation charge 222 09 ChrgVtgEqu VRLA 2 40 V 2 50 V If you wish to control the utilisation of excess energy set the multi function relay as follows 1 Switch to installer mode see Section 7 5 2 Select the 241 07 ExtPwrDerMinTm parameter and set it to the minimum time that the multifunction relay remains in the NO position 3 Select the 242 08 ExtPwrDerDItVtg parameter and set it to the voltage difference relative to the target value of the cell voltage during float charge i Recording of the measured values of the cell voltage reacts to changes with time lag The off grid inverter calculates the cell voltage from the measured battery voltage The off grid inverter calculates an average from the measured values of the battery voltage As a result of the calculation of an average the cell voltage that is recorded reacts to changes with time lag 4 Ensure that the multi function relay used for control is set to ExtPwrDer see Section 7 10 2 7 11 Changing the Battery Protection Mode Function of the battery
142. tch disconnector install a fuse switch disconnector in the DC sub distribution e If a fuse switch disconnector is installed dimension fuse links based on the maximum output current of the DC sources e Protect every DC source with a separate miniature circuit breaker Installation Manual SI80H 60H OffGrid lA en 1 1 39 6 Electrical Connection SMA Solar Technology AG 6 8 Connecting PE You can connect PE to the AC1 Loads SunnyBoys PE and AC2 Gen Grid PE terminals You are free to decide which terminal you connect the protective conductor to i AC connection with three core cables To connect the stand alone grid and the external energy source you can use three core cables and install PE together with the corresponding N and L see Section 6 9 and 6 10 You can use both terminals for PE in parallel In addition to meeting the cable requirements for the AC and AC2 terminals the protective conductor in each cable must also meet the following requirements e Conductor cross section for earthing with one protective conductor at least 10 mm e Conductor cross section for earthing with two protective conductors at least 4 mm If you install PE separately connect PE as follows Cable requirements LJ Conductor cross section 10 mm 16 mm Core cross section 7 mm 14 mm 1 Move the lever of the AC1 Loads SunnyBoys PE terminals upward 2 Attach the M20 cable gland to the PE enclosure opening with the counter nut 3
143. ter that the shut off delay time has ended The off grid inverter suppresses every generator request Manual starting on the off grid inverter is not possible either The generator management can request the generator The generator can be started on the off grid inverter SI80H 60H OffGrid lA en 1 1 139 10 External Energy Sources in the Off Grid System SMA Solar Technology AG 10 10 Grid Management 10 10 1 Tasks of Grid Management Grid management performs the following tasks e Grid management detects failures disturbances and the return to the electricity grid e Grid management controls the transition from stand alone grid operation to grid operation e Grid management controls the transition from grid operation to stand alone grid operation e If the electricity grid is acting as an energy reserve grid management automatically connects the electricity grid when required 10 10 2 Electrical Limiting Values for the Electricity Grid When the electricity grid breaches the electrical limiting values grid management detects failures disturbances or overload of the electricity grid Configurable limit Maximum line current Grid management limits the supply of current from the electricity grid to a configurable maximum value Frequency of voltage on the You can adjust the limiting values for the frequency and value of electricity grid the voltage to the applicable local standards and requirements Value of voltage of t
144. th the applicable local standards and directives If the applicable local standards and directives require a fuse switch disconnector install a fuse switch disconnector If a fuse switch disconnector is installed dimension the fuse links Note that currents from the AC sources in the stand alone grid from the external energy source and from the off grid inverter can be superimposed For three phase stand alone grids distribute the load power as evenly as possible across the three line conductors SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection 6 13 Installing Protective Devices for AC Sources in the Stand Alone Grid If you install AC sources in the stand alone grid you must install the following protective devices in the AC sub distribution Protect the connection cable of every AC source e g PV inverter with a miniature circuit breaker Install the residual current device type A in accordance with the applicable local standards and directives If the applicable local standards and directives require a fuse switch disconnector install a fuse switch disconnector in the AC sub distribution If a fuse switch disconnector is installed dimension the fuse link based on the feed in current of the AC sources For three phase off grid systems distribute the power of the AC sources as evenly as possible across the three line conductors 6 14 Installing Protective Devices fo
145. the 242 05 Lod1Tm1 Str and 242 06 Lod1Tm2Str parameters to the same value e g both to 000000 This switches time dependent load shedding off 7 10 Configuration of the Multi Function Relays 7 10 1 Use of the Multi Function Relays Note the function of the multifunction relays in the following table during the electrical connection Multifunction relay Relay 1 of the off grid inverter master parameter 241 01 RlylOp Relay 2 of the off grid inverter master parameter 241 02 Rly2Op Relay 1 of slave 1 parameter 244 01 Rly1lOpSlv1 Relay 2 of slave 1 parameter 244 02 Rly2OpSlv1 Relay 1 of slave 2 parameter 245 01 Rlyl OpSlv2 Relay 2 of slave 2 parameter 244 01 Rly2OpSlv2 90 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 7 10 2 Setting the Functions of the Multi Function Relays You must configure each cluster individually in a multicluster system Requirement O Ina cluster the Sunny Remote Control must be connected to the master Switch to installer mode see Section 7 5 2 To set Relay 1 of the off grid inverter master select the 241 01 Rly Op parameter and set it to the value for the connected function see Section 7 10 1 3 To set Relay 2 of the off grid inverter master select the 241 02 Rly2Op parameter and set it to the value for the connected function see Section 7 10 1 4 To set Relay 1 of slave 1 select the 244 01 Rly OpSlv1 parameter and set it to the
146. tically switches off This protects the battery against deep discharge and complete damage To charge the battery again the off grid inverter must be manually switched on and started For all three levels the off grid inverter only switches to standby or switches off if no charging current flows into the battery within a period of 6 minutes Recharging the battery with an external energy source In levels 1 and 2 of battery protection mode you can charge the battery at any time with an external energy source If a voltage is present at the AC2 terminal the off grid inverter exits standby mode If the off grid inverter has switched itself off in level 3 of battery protection mode you must charge the battery in emergency charge mode see off grid inverter operating manual Time settings The start time and the end time can be set for battery protection mode levels 1 and 2 If the battery falls below the SOC limiting value for level 1 the off grid inverter switches to standby between the start time and end time If the battery falls below the SOC limit for level 2 the off grid inverter attempts to charge the battery between the end time and the start time of the battery For the remaining time the off grid inverter stays on standby Requirement LI Ina cluster the Sunny Remote Control must be connected to the master 1 Switch to expert mode see Section 7 6 2 To change battery protection mode 1 set the desired times and SOC limit
147. time An external automatic transfer switch is required in order to use a generator and the electricity grid see Section 6 28 Connecting the Auxiliary Contact of the Transfer Switch page 66 e Connect external energy source to the transfer switch e Connect the transfer switch to the AC2 terminal as external energy source Requirements L1 Conductor cross section max 16 mm 1 Conductor cross section for a three core cable and earthing with one protective conductor 10 mm 16 mm O Conductor cross section for a three core cable and earthing with two protective conductors A mm 16 mm LI Core cross section 9 mm 18 mm O A cable must be laid from the AC sub distribution or the external energy source for each off grid inverter O Fora single phase parallel system the cable length and the conductor cross section must be identical between each off grid inverter and the sub distribution or external energy source Q Fora three phase system L1 must be assigned to the master L2 to slave 1 and L3 to slave 2 1 Move the levers of the AC2 terminals upward 2 Attach the M25 cable gland to the AC2 enclosure opening with the counter nut 3 Remove the cable jacket and strip 13 mm of insulation from all wires 4 Lead the cable through the cable gland into the off grid inverter Installation Manual SI80H 60H OffGrid lA en 1 1 43 6 Electrical Connection SMA Solar Technology AG 2 7 8 A WARNING Danger to li
148. tion 7 5 2 Select the 221 04 BatFanTmpStr parameter and set it to the battery temperature at which the fan is to be switched on 3 Ensure that the multifunction relay used for control is set to BatFan or MccBatFan see Section 7 10 2 4 Ensure that the battery room is sufficiently ventilated in the event of malfunctions for example failure of the multi function relay 7 10 9 Setting Utilisation of Excess Energy Cell voltage Time of activation Time of deactivation Target value D of the cell voltage A 2 in the constant c Q voltage phase SQ T o X O LW 82 60 V gt a N Time Minimum time 241 07 ExtPwrDerMinTm Figure 26 Switching on time and switching off time for utilisation of excess energy during float charge as a function of the cell voltage of the battery The off grid inverter controls the utilisation of excess energy during the constant voltage phase depending on the cell voltage of the battery During the constant voltage phase the battery is charged with a constant charging voltage In the energy saving mode the multi function relay is in the NC position If the target value for cell voltage is reached in the constant voltage phase the multi function relay switches to the NO position The multi function relay stays in this position for the minimum time of 241 07 ExtPwrDerMinTm If the cell voltage differs by more than the voltage difference of 241 08 ExtPwrDerDl
149. tion the conductor on the left 4 36 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection e Fasten the clamping bracket using a M6x16 hexagon socket screw and a conical spring washer torque 4 Nm 5 7 Nm The teeth of the conical spring washer must face the clamping bracket 6 6 Connecting the BatFuse to the Off Grid Inverter A WARNING Risk of electric shock when the battery is connected The off grid inverter can start automatically from standby when the battery is connected e Only insert the BatFuse fuse links in the course of commissioning i Recommended minimum battery capacity If the battery capacity selected is too low system failures may result e Observe the recommendations for the minimum battery capacity connected to the DC terminal of the off grid inverter see Section 12 Technical Data page 144 The recommended capacities of the individual off grid inverters in a cluster are added to yield the total minimum battery capacity i Cable length and recommended conductor cross section for the DC connection Long cables and insufficient conductor cross sections reduce the efficiency of the system and impair the overload capacity of the off grid inverter The maximum cable length is 10 m The recommended minimum conductor cross section depends on the battery voltage the power and the cable length between the battery and the off grid inverter
150. to the DC input voltage If the battery capacity selected is too low system failures may result e Observe the recommendations for the minimum battery capacity connected to the DC terminal see Section 12 Technical Data page 144 For off grid inverters connected in parallel on the DC side clusters the recommended capacities of the individual Sunny Islands added together yield yield the total minimum battery capacity A fuse switch disconnector e g a BatFuse must be installed between the battery and the Sunny Island DC loads and DC sources can be integrated into the off grid system If DC loads or DC sources other than Sunny Island Charger 50 are included a battery current sensor must be installed The Sunny Island is not suitable for establishing a DC distribution network The Sunny Island is not suitable for supplying life sustaining medical devices e Never use the Sunny Island in systems in which a power outage might result in personal injury The Sunny Island can control various components in an off grid system via two multi function relays e g a load shedding contactor The multi function relays are not suitable for controlling functions which may endanger persons in the event of a malfunction in the multi function relays for example if there is insufficient redundancy in the ventilation of the battery room The enclosed documentation is an integral part of this product e Read and observe the documentation e Keep the
151. to the Multicluster Box The load shedding contactor is controlled directly by the master of the main cluster by means of the communication with the Multicluster Box If you install an additional load shedding contactor on a multicluster system it is controlled with a multi function relay in the master of extension cluster 1 Additional load shedding contactors cannot be controlled by the main cluster i Load shedding contactors in a cluster If you connect load shedding contactors to the master limited operation is possible in the event of a disturbance Slaves can control the load shedding contactors less reliably in the event of a disturbance If a disturbance occurs it is possible that the slave will wait for confirmation from the master 60 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 Electrical Connection Load shedding contactor Off grid inverter Figure 21 Connection of the control cable for 1 level load shedding example If you install load shedding contactors on an off grid system always connect them as follows Additionally required material not included in scope of delivery C Bootlace ferrules Requirements C1 The technical requirements of the multi function relay must be met see Section 12 Technical Data page 144 LJ Conductor cross section 0 2 mm 2 5 mm 1 Ensure that the load shedding contactor only disconnects loads from the stand alone grid In this way you ensur
152. tor If the off grid inverter detects a false start on a number of occasions and the number of failed attempts exceeds the maximum value the off grid inverter switches to error mode After the set time has elapsed the off grid inverter attempts to restart the generator Single cluster systems Generator management evaluates a fault in the line conductor on the master as a failure of the generator All off grid inverters disconnect the stand alone grid from the generator Generator management treats a fault in the line conductor of the slave as a line conductor fault The slave only disconnects the affected line conductor from the stand alone grid The slave switches the stand alone grid to the generator again when the faulty line conductor is in the valid range Switch to expert mode see Section 7 6 2 To change the maximum number of failed attempts e Select the 235 01 GnAutoEna parameter and set it to Enable e Select the 235 02 GnAutoStr parameter and set it to the desired number of start attempts 3 To change the stop time of the generator after the maximum number of start attempts has been exceeded select the 234 11 GnErrStpTm parameter and set it to the desired stop time Installation Manual SI80H 60H OffGrid lA en 1 1 111 7 Commissioning SMA Solar Technology AG 7 19 Changing the Current Limiting Values for the Electricity Grid Significance of the current limit Grid management limits the consumption of line current to the
153. tors Load shedding prevents deep battery discharge and controls the power output to the loads Load shedding provides the option of disconnecting specific loads from the stand alone grid In this way you can optimise the power consumption to match the availability of stored energy and the power output of the energy sources Load shedding is necessary for off grid systems that are exclusively supplied with PV energy or wind energy The off grid inverter controls up to two load shedding contactors depending on the state of charge of the battery You can install two types of load shedding e level load shedding If the limit for the state of charge of the battery is reached one load shedding contactor disconnects all loads at the same time Depending on the configuration the load shedding contactor closes when the battery has been sufficiently charged or when the stand alone grid has been switched to an external energy source e 2 evel load shedding For 2 level load shedding there are two limits for the state of charge of the battery in order to control two load shedding contactors When the first limit for the state of charge of the battery is reached the first load shedding contactor disconnects a group of loads When the second limit for the state of charge of the battery is reached the second load shedding contactor disconnects the remaining loads i Load shedding in a multicluster system 1 level load shedding is integrated in
154. trol Cables for Autostart Generators 56 Connecting a Signal Generator for Generators Without Autostart Function 0 000 cece eee ees 57 Connecting GenMan to the Off Grid Inverter 58 Connecting the Control Cables of the Load Shedding COMATOSE eeh ceo Been ueae ean cee 60 Connecting the Time Control for External Processes 62 Connecting Message Devices for Events and Warning Messages ic c2 55454524 sc anecaeecedadak on oeks 63 SI8OH 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 6 25 6 26 6 27 6 28 6 29 7 7 7 2 7 3 7 4 7 4 1 7 4 2 7 4 3 7 4 4 7 5 7 6 7 7 7 8 7 9 7 10 7 10 1 7 10 2 7 10 3 7 10 4 7 10 5 7 10 6 7 10 7 7 10 8 7 10 9 Installation Manual Table of Contents Connecting the Control Cable for the Battery Room Fan 64 Connecting the Control Cable for the Electrolyte Pump Oh Ne BONG lt ecrnuecedenninses bo btecekee EEEE T 65 Connecting the Control Cable for the Use of Excess Energy 65 Connecting the Auxiliary Contact of the Transfer Switch 66 Connecting the External Generator Request 68 Commissioning 2c6 t 0a0c ow aaucesideanc ewes 69 Organising Commissioning cr cereeasereraeed bheee ooans 69 Checking ne VV INNO sc0 8 Aue omega kee ee Gs Maes 70 Closing the Off Grid Inverter 00 000 cece eee 74 Quick Configuration Guide 0 aaau cee 75 Determining the Battery Capacity 02 0 e
155. uster Box e Select the 003 19 Box parameter and press the button Set the type of the Multicluster Box and press the button Tip The Multicluster Box type is indicated on the type label of the Multicluster Box e Confirm the type of the Multicluster Box with Y 15 Setting the maximum generator current Select the 003 22 GnCurNom parameter and press the button e Set the maximum current for permanent loading of the generator and press the button e Confirm the maximum current with Y 86 SI8O0H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 7 Commissioning 16 17 18 19 20 2l 22 23 24 Setting the generator interface Select the 003 23 GnStrMod parameter and press the button e If the generator does not have an electric starting device set Manual and press the button e If the generator can be started and stopped using one contact set Autostart and press the button e If the generator is controlled using GenMan set GenMan and press the button e Confirm the generator interface with Y Turn the button to the right MM The Sunny Remote Control shows the last page ra ere area ane of Setup new system She ee ast eT ae Press the button and confirm the question Done with Y Wait until the inverter LED of slave 1 flashes and the Sunny Remote Control displays To identify Slavel press Tss on the Slv
156. utton e Set the year and press the button e Confirm the date with Y Setting the time Select the 003 05 Tm parameter and press the button e Set the hour and press the button e Set the minutes and press the button e Set the seconds and press the button e Confirm the time with Y Installation Manual SI80H 60H OffGrid lA en 1 1 83 7 Commissioning SMA Solar Technology AG 84 Setting the battery type e Select the 003 06 BatTyp parameter and press the button e Ifthe battery type is FLA set FLA and press the button e If the battery type is VRLA set VRLA and press the button e Confirm the battery type with Y Setting the battery voltage e Select the 003 07 BatVtgLst parameter and press the button e Set the battery voltage and press the button e Confirm the battery voltage with Y Setting the battery capacity e Select the 003 09 BatCpyNom parameter peg aa ANS WiC and press the button aise TAE E E Set the C10 battery capacity and press the button see Section 7 4 1 Determining the Battery Capacity page 75 e Confirm the battery capacity with Y Setting the line voltage and power frequency e Select the 003 14 AcVtgFrqTyp parameter ae E ches Tan Ue Sa and press the button m y M A ae sai a rE LTE Fora line voltage of 230 V and 50 Hz set 230V_50Hz and press the button e Fora line voltage of 220 V and 60
157. value for the connected function see Section 7 10 1 5 To set Relay 2 of slave 1 select the 244 02 Rly2OpSlv1 parameter and set it to the value for the connected function see Section 7 10 1 6 TosetRelay 1 of slave 2 select the 245 01 Rly1 OpSlv2 parameter and set it to the value for the connected function see Section 7 10 1 7 To set Relay 2 of slave 2 select the 245 02 Rly2OpSlv2 parameter and set it to the value for the connected function see Section 7 10 1 7 10 3 Setting 1 Level Load Shedding One multi function relay controls the load shedding contactor depending on the state of charge of the battery Significance of the SOC limiting values When the state of charge of the battery reaches the lower SOC limiting value the multi function relay opens the connected load shedding contactor The load shedding contactor disconnects the loads from the stand alone grid When the state of charge of the battery reaches the upper SOC limiting value during recharging the multi function relay closes the connected load shedding contactor The load shedding contactor connects the loads to the stand alone grid Requirement O Ina cluster the Sunny Remote Control must be connected to the master Switch to installer mode see Section 7 5 Select the 242 01 Lod1SocTm1 Str parameter and set it to the lower SOC limiting value Select the 242 02 Lod1 SocTm1 Stp parameter and set it to the upper SOC limiting value The upper SOC limit
158. verters with integrated communication interfaces at the planned mounting locations for masters Additionally required mounting material not included in the scope of delivery CL Atleast two screws that are suitable for the mounting surface At least two washers that are suitable for the screws At least two wall plugs that are suitable for the mounting surface and the screws OOO If the inverter is to be secured against theft two safety screws that can only be unscrewed with a special tool 1 Mark the position of the drill holes using the wall mounting bracket Use at least one hole on the left hand side and one on the right hand side of the wall mounting bracket 2 Ensure that there are no electric lines or other supply lines in the wall behind the marked positions 3 Drill the holes and insert the wall plugs Secure the wall mounting bracket horizontally to the wall using screws and washers 5 If the off grid inverter is to be protected against theft mark the drill holes for anti theft protection see Section 5 2 Selecting the Mounting Location for the Off Grid Inverter page 27 Use at least one hole on the left hand side and one on the right hand side 30 SI80H 60H OffGrid lA en 1 1 Installation Manual SMA Solar Technology AG 5 Mounting 6 CAUTION Risk of injury due to the heavy weight of the off grid inverter e Take into account the weight of the off grid inverter see Section 12 Technical Data page 144 e
159. vity P lt 50 W 5 To operate search mode in a time controlled manner change the start time and stop time e Select the 250 33 SearchModStr parameter and set it to the start time Select the 250 34 SearchModStp parameter and set it to the stop time 7 22 Setting the Silent Mode Silent mode makes it possible to save energy in backup systems Installation Manual SI8O0H 60H OffGrid lA en 1 1 113 7 Commissioning SMA Solar Technology AG If a set time for float charge has elapsed the off grid inverter switches to silent mode and the stand alone grid is supplied only by the electricity grid and the AC sources in the stand alone grid The off grid inverter exits idle mode at configurable time intervals or else when the battery voltage per cell drops by 0 14 V As a result the battery always remains fully charged If the electricity grid fails in energy saving mode the off grid inverter makes a stand alone grid available for use within seconds 1 Switch to expert mode see Section 7 6 2 To activate silent mode set the values of the following parameters e Select the 224 01 SilentEna parameter and set it to Enable e Select the 224 02 SilentTmFlo parameter and set it to the maximum time for float charge Select the 224 03 SilentTmMax parameter and set it to the maximum duration for energy saving mode 3 To deactivate silent mode select the 224 01 SilentEna parameter and set it to Disable 7 23 Changing the Automatic Freque

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