SMA SUNNY ISLAND 3.0M Installation Manual
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SMA SUNNY ISLAND 3.0M Installation Manual

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SUNNY ISLAND 3.0M / 4.4M / 6.0H / 8.0H
SI30M-44M-60H-80H-IA-en-32 | Version 3.2
ENGLISH

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  • Page 1 Installation manual SUNNY ISLAND 3.0M / 4.4M / 6.0H / 8.0H SI30M-44M-60H-80H-IA-en-32 | Version 3.2 ENGLISH...
  • Page 2 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 allowed and does not require permission.

  • Page 3: Table Of Contents

    7.4.2 Connecting the Utility Grid in the SMA Flexible Storage System ......
  • Page 4 Table of Contents SMA Solar Technology AG 7.4.8 Communication Connection..............36 7.4.8.1 Connecting the Sunny Remote Control .
  • Page 5 10.5 Sunny Island 3.0M Efficiency Profile ........
  • Page 6 Table of Contents SMA Solar Technology AG 10.7 Sunny Island 6.0H Efficiency Profile ........... . . 105 10.8 Sunny Island 8.0H Efficiency Profile .

  • Page 7: Information On This Document

    1 Information on this Document 1.1 Validity This document is valid for the following device types: • SI3.0M-11 (Sunny Island 3.0M) with firmware version 3.2 • SI4.4M-11 (Sunny Island 4.4M) with firmware version 3.2 • SI6.0H-11 (Sunny Island 6.0H) with firmware version 3.1 •...

  • Page 8: Typographies

    1 Information on this Document SMA Solar Technology AG Symbol Explanation Section that is relevant for off-grid systems only Information that is important for a specific topic or goal but is not safety-relevant ☐ Indicates a requirement for meeting a specific goal ☑...

  • Page 9: Safety

    SMA Solar Technology AG. Unauthorized alterations will void guarantee and warranty claims and usually void the operating license. SMA Solar Technology AG shall not be held liable for any damage caused by such alterations. Any use of the product other than that described in the Intended Use section does not qualify as the intended use.

  • Page 10: Safety Information

    2 Safety SMA Solar Technology AG 2.2 Safety Information This section contains safety information that must be observed at all times when working on or with the product. To prevent personal injury and property damage and to ensure long-term operation of the product, read this section carefully and observe all safety information at all times.

  • Page 11: Information For Handling Batteries

    SMA Solar Technology AG 2 Safety Risk of burns due to hot components Some components on the Sunny Island inverter may heat up significantly during operation. Touching these components can cause burns. • Touch only the enclosure lid of the Sunny Island inverter during operation.
  • Page 12 Note that the battery charging behavior names used by SMA Solar Technology AG and the battery manufacturer may, in some cases, differ in meaning (for the battery charging behavior of the Sunny Island inverter, see technical information “Battery Management”).

  • Page 13: Scope Of Delivery

    SMA Solar Technology AG 3 Scope of Delivery 3 Scope of Delivery Check the scope of delivery for completeness and any externally visible damage. Contact your distributor if the scope of delivery is incomplete or damaged. Figure 1: Components included in the scope of delivery...
  • Page 14 3 Scope of Delivery SMA Solar Technology AG “Communication via RS485” order option Figure 2: Components of the “Communication via RS485” order option Position Quantity Designation SI-COMSMA.BGx, installed in the Sunny Island* at the factory Gray CAT5e data cable, 5 m...
  • Page 15 SMA Solar Technology AG 3 Scope of Delivery “Communication via Speedwire” order option (e.g., SMA Flexible Storage System) Figure 4: Components of the “Communication via Speedwire” order option Position Quantity Designation Speedwire data module, installed in the master at the factory...

  • Page 16: Additional Tools Required

    4 Additional Tools Required SMA Solar Technology AG 4 Additional Tools Required Tools Explanation Drill ‒ Drill bit Mounting of the wall mounting bracket Allen key, AF 5 ‒ Torque wrench Attachment: AF 5 Measurement range: 4 Nm to 12 Nm...

  • Page 17: Product Description

    SMA Solar Technology AG 5 Product Description 5 Product Description 5.1 Sunny Island The Sunny Island is a battery inverter that controls the electrical energy balance in an off-grid system, in a battery-backup system or in a system for increased self-consumption. In a battery-backup system, you can also use the Sunny Island for increased self-consumption.

  • Page 18: Multifunction Relay

    Using two multifunction relays, each Sunny Island can control various functions and can display operating states and warning messages. In an SMA Flexible Storage System with battery-backup function, the multifunction relays of the master are set permanently. In multicluster systems with Multicluster Box 12 (MC-BOX-12.3-20), multifunction relays 1 and 2 in the master of the main cluster and multifunction relay 1 in slave 1 of the main cluster are set permanently.

  • Page 19: Communication

    SMA Flexible Storage System (see quick reference guide of the Sunny Island inverter). Sunny Portal is an Internet portal for visualization of the data of the PV system, of SMA radio-controlled sockets and of other components of the SMA Flexible Storage System. In addition, Sunny Portal serves as a user interface for configuring the Sunny Home Manager and SMA radio-controlled sockets (see user manual of the SUNNY HOME MANAGER in SUNNY PORTAL).

  • Page 20: Mounting

    6 Mounting SMA Solar Technology AG 6 Mounting 6.1 Requirements for Mounting Mounting location: ☐ A stable, non-flammable support surface must be used at the mounting location, e.g., concrete or masonry. In the living area, ensure that the support surface is not made of drywall or similar. When in operation, the Sunny Island makes noises that can be perceived as annoying.

  • Page 21: Mounting The Sunny Island

    SMA Solar Technology AG 6 Mounting Clearances: Figure 7: Minimum clearances ☐ The mounting location must be suitable for mounting while observing minimum clearances to walls, other Sunny Island units and other objects. This will allow for sufficient heat dissipation. Multiple Sunny Island inverters installed in areas with high ambient temperatures There must be sufficient clearance between the Sunny Island inverters to ensure that the cooling air of the adjacent inverter is not drawn in.
  • Page 22 6 Mounting SMA Solar Technology AG Dimensions for wall mounting: Figure 8: Dimensions of the wall mounting bracket and dimensions of the drill holes for the optional anti-theft device on the Sunny Island inverter enclosure Sunny Island with order option “Communication via RS485” or “Communication in multicluster systems”...
  • Page 23 SMA Solar Technology AG 6 Mounting Procedure: 1. At the mounting location, mark the position of the drill holes using the wall mounting bracket. Use at least one hole on the right side of the wall mounting bracket and one on the left.
  • Page 24 6 Mounting SMA Solar Technology AG 8. Seal off the recess grips with the ventilation grids: • Place the ventilation grid marked links/left on the left recess grip. • Place the ventilation grid marked rechts/right on the right recess grip.

  • Page 25: Electrical Connection

    SMA Solar Technology AG 7 Electrical Connection 7 Electrical Connection 7.1 Content and Structure of the Section The sub-sections differ in their structure. Some sub-sections refer to the correct connection of devices, others refer to basic procedures. An overview detailing which contents the sub-sections describe and which contents should be read and adhered to can be found in the following table.

  • Page 26: Connection Area

    7 Electrical Connection SMA Solar Technology AG 7.2 Connection Area Figure 9: Connection area of the Sunny Island inverter Position Designation Position Designation DC+ connection Enclosure opening for DC- DC- connection Enclosure opening for DC+ BatTmp and BatCur connections Enclosure opening for PE/ExtVtg...

  • Page 27: Connecting The Grounding Conductor In Systems With A Grounded Battery

    If you ground the battery, you can ground it at the positive terminal or at the negative terminal with a grounding conductor. SMA Solar Technology AG does not recommend grounding the battery. If the battery is grounded, the enclosure of the Sunny Island must also be grounded. This additional grounding is no substitute for the grounding at connections AC1 and AC2.

  • Page 28: Connecting The Components

    The list of lithium-ion batteries approved for the Sunny Island is updated regularly (see the technical information “List of Approved Lithium-Ion Batteries” at www.SMA-Solar.com). • If no lithium-ion batteries approved for the Sunny Island can be used, use lead-acid batteries.

  • Page 29: Connecting The Utility Grid In The Sma Flexible Storage System

    ☑ The contact surfaces of the fender washers have full contact with the terminal lugs. 7.4.2 Connecting the Utility Grid in the SMA Flexible Storage System Requirements: ☐ The system has no battery-backup function. ☐ For connection of the Sunny Island inverter to the utility grid, there must be a circuit breaker and a type A residual-current device on the distribution board (for circuitry overview, see the quick reference guide “SMA Flexible Storage System”).

  • Page 30: Connecting The Automatic Transfer Switch In The Sma Flexible Storage System With

    7.4.3.1 Automatic Transfer Switch Function The automatic transfer switch separates the utility grid from the battery-backup grid in the SMA Flexible Storage System with battery-backup function. The control cable, measuring cable and power cable link the automatic transfer switch to the Sunny Island (for circuitry overview, see the quick reference guide “SMA Flexible Storage System with Battery...

  • Page 31: Connecting The Control Cables To The Automatic Transfer Switch

    Connecting the Control Cables to the Automatic Transfer Switch The control cables conduct the control signals of the multifunction relays to the contactors (for circuitry overview, see the quick reference guide “SMA Flexible Storage System with Battery Backup Function”). Procedure: 1.

  • Page 32: Connecting The Stand-Alone Grid Or Multicluster Box 6 / 12 / 36

    7 Electrical Connection SMA Solar Technology AG 2. At the master, connect the tie switch monitoring. Ensure that the cable from X5 3 and X5 4 is correctly connected (see Section 7.5.6 "Connecting BatVtgOut, DigIn, BatTMP and BatCur", page 60). • Connect BatVtgOut − with DigIn − within the master.

  • Page 33: Connecting The Multicluster Box 12 (Mc-Box-12.3-20)

    SMA Solar Technology AG 7 Electrical Connection 7.4.5 Connecting the Multicluster Box 12 (MC-Box-12.3-20) Multicluster Box 12 7.4.5.1 Connecting the AC Power Cable to the Always connect the AC power cable of the Multicluster Box 12 (MC-Box-12.3-20) to the AC2 terminal of the Sunny Island inverter.

  • Page 34: Connecting The Measuring Cable To The Multicluster Box 12

    7 Electrical Connection SMA Solar Technology AG Danger to life from electric shock due to incorrect insulation • On the master of the main cluster, connect the control cable of X113 1 and X113 2 to the Relay2 C and Relay2 NO terminals.

  • Page 35: Connecting The Generator In An Off-Grid System

    SMA Solar Technology AG 7 Electrical Connection Procedure: 1. On every Sunny Island of the main cluster, connect the measuring cable for voltage monitoring of the Multicluster Box 12 to the ExtVtg terminal. Ensure that the cable is correctly connected (see Section 7.5.7 "Connecting ExtVtg", page 61):...

  • Page 36: Inserting Filler Plugs

    7 Electrical Connection SMA Solar Technology AG 7.4.7 Inserting Filler Plugs • Seal unused enclosure openings of the Sunny Island with filler plugs. The enclosure openings will then comply with degree of protection IP54. 7.4.8 Communication Connection 7.4.8.1 Connecting the Sunny Remote Control A data cable is included with the Sunny Remote Control for connection purposes.

  • Page 37: Connecting The Communication Product Via Speedwire

    7 Electrical Connection 7.4.8.3 Connecting the Communication Product via Speedwire Requirement: ☐ A Speedwire data module for Sunny Island must be installed (see the installation manual of the SMA Speedwire/Webconnect data module). Cable requirements: ☐ Cable length between two nodes: –...

  • Page 38: Connecting The Data Cable For The Internal Communication Of The Cluster

    7 Electrical Connection SMA Solar Technology AG 7.4.8.4 Connecting the Data Cable for the Internal Communication of the Cluster In a cluster, the Sunny Island inverters communicate via a black data cable. MASTER SLAVE 1 SLAVE 2 NO C NO C...

  • Page 39: Connecting The Data Cable Of The Sunny Island Charger 50 Charge Controller

    SMA Solar Technology AG 7 Electrical Connection 7.4.8.5 Connecting the Data Cable of the Sunny Island Charger 50 Charge Controller A maximum of four Sunny Island Charger 50 devices can be connected per cluster (see the quick reference guide “Off-Grid Systems”).

  • Page 40: Connecting Control And Measuring Cables Of The Multicluster Box

    7 Electrical Connection SMA Solar Technology AG 7.4.8.7 Connecting Control and Measuring Cables of the Multicluster Box For a multicluster system, the Multicluster Box communicates control and measuring data with the three Sunny Island inverters of the main cluster via three red data cables (see Multicluster Box documentation).

  • Page 41: Connecting The Communication Device Via Rs485

    The SI-COMSMA.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 Sunny Island was ordered with the “Communication via RS485” order option, the SI-COMSMA.BGx is installed on each master.

  • Page 42: Connecting The Battery Temperature Sensor

    7 Electrical Connection SMA Solar Technology AG Position Designation ComSmaIn pin connector ComSmaOut pin connector Cable requirements: ☐ Classification: CAT5e ☐ Maximum cable length: 1,200 m Procedure: 1. If an SI-COMSMA.BGx is not installed in the Sunny Island, install an SI-COMSMA.BGx in the Sunny Island (see SI-COMSMA-NR mounting instructions): •...

  • Page 43: Connecting The Battery Current Sensor In The Off-Grid System

    SMA Solar Technology AG 7 Electrical Connection Damage to the battery due to excessive charging voltage Due to incorrect temperature measurements, the Sunny Island charges the battery with an incorrect charging voltage. • Connect only the battery temperature sensor supplied.
  • Page 44 7 Electrical Connection SMA Solar Technology AG Cable requirements: ☐ Copper wire ☐ Maximum cable length: 3 m ☐ Conductor cross-section: 0.2 mm² to 2.5 mm² ☐ A measuring cable with intrinsically safe current circuits must be used. For this purpose, “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.

  • Page 45: Connecting The Control Cable For Autostart Generators

    SMA Solar Technology AG 7 Electrical Connection 7.4.11 Connecting the Control Cable for Autostart Generators Autostart generators are started and stopped with a contact. Generator control in a cluster Slaves control the generator less reliably than masters do. • Connect the generator control preferably to the master.

  • Page 46: Connecting A Signal Generator For Generators Without Autostart Function

    7 Electrical Connection SMA Solar Technology AG 7.4.12 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 an autostart function, you can connect a signal generator (e.g., signal lamp) to the multifunction relay of the Sunny Island inverter.

  • Page 47: Connecting Load-Shedding Contactors

    SMA Solar Technology AG 7 Electrical Connection 7.4.13 Connecting Load-Shedding Contactors Load shedding prevents the battery deep discharge and controls the power output to the loads. Load shedding provides the option of disconnecting specific loads from the system. Load shedding is necessary for an off-grid system that is exclusively supplied with PV energy or wind energy.

  • Page 48: Connecting The Time Control For External Processes

    7 Electrical Connection SMA Solar Technology AG Procedure: 1. Ensure that the load-shedding contactor only disconnects loads from the system. This ensures that the battery can be recharged from AC sources in the system. 2. Connect the insulated conductor for coil connection A1 of the load-shedding contactor to terminal Relay1 NO (see Section 7.5.5 "Connecting Relay 1 and Relay 2", page 59).

  • Page 49: Connecting Message Devices For Operating States And Warning Messages

    SMA Solar Technology AG 7 Electrical Connection 7.4.15 Connecting Message Devices for Operating States and Warning Messages You can connect message devices to the multifunction relays to allow operating states and warning messages from the Sunny Island inverter to be output. One of the following operating states and warning messages can be displayed for each multifunction relay: •...

  • Page 50: Connecting The Battery Room Fan

    7 Electrical Connection SMA Solar Technology AG Value Version Overload In a single system, a Sunny Island is in derating, or in a cluster system, the cluster is in derating. 7.4.16 Connecting 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 Sunny Island for at least one hour.

  • Page 51: Connecting The Electrolyte Pump For The Battery

    SMA Solar Technology AG 7 Electrical Connection Controlling one battery room fan for all batteries 1. Ensure that the battery room is sufficiently ventilated in the case of a malfunction of the multifunction relay. Danger to life from electric shock due to incorrect insulation •...

  • Page 52: Connecting The Control Cable For The Use Of Excess Energy In An Off-Grid System

    7 Electrical Connection SMA Solar Technology AG 7.4.18 Connecting the Control Cable for the Use of Excess Energy in an Off-Grid System 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 Sunny Island.

  • Page 53: Connecting The Signal Cable Of The External Generator Request

    SMA Solar Technology AG 7 Electrical Connection 7.4.19 Connecting the Signal Cable of the External Generator Request An external control signal can transmit a generator request to the generator management. If you have configured the generator management for the external generator request, the generator management starts the generator if there is a high level present.

  • Page 54: Connecting The Cables

    The list of lithium-ion batteries approved for the Sunny Island is updated regularly (see the technical information “List of Approved Lithium-Ion Batteries” at www.SMA-Solar.com). • If no lithium-ion batteries approved for the Sunny Island can be used, use lead-acid batteries.
  • Page 55 SMA Solar Technology AG 7 Electrical Connection Damage to Sunny Island inverter due to reverse polarity or incorrect terminal lug selection If the DC cables are swapped, high currents will flow after the load-break switch has closed and these can damage the Sunny Island.

  • Page 56: Connecting The Ac Power Cable

    AC2, the protective functions in the system can fail. This can result in death or serious injury. • Always connect the neutral conductor to the connection AC2 Gen/Grid N in the SMA Flexible Storage System. • Always connect the neutral conductor to the connection AC2 Gen/Grid N in the SMA Flexible Storage System with battery-backup function.

  • Page 57: Connecting The Grounding Conductor

    SMA Solar Technology AG 7 Electrical Connection Procedure: 1. Push the levers of the AC1 or AC2 terminal upward. 2. When connecting the cable to connection AC1, attach the M25 cable gland to the AC1 enclosure opening using the counter nut (torque: 7 Nm).

  • Page 58: Connecting The Data Cables

    7 Electrical Connection SMA Solar Technology AG Procedure: 1. Push the lever of terminal AC1 Loads/SunnyBoys PE or AC2 Gen/Grid PE upward. 2. Attach the M20 cable gland to the PE/ExtVtg enclosure opening with the counter nut (torque: 5 Nm).

  • Page 59: Connecting Relay 1 And Relay 2

    SMA Solar Technology AG 7 Electrical Connection 7. Open the cable feed-through plate and insert the cable support sleeves into the cable feed-through plate. Position the flat sides of each cable support sleeve on the flat side in the cable feed-through plate.

  • Page 60: Connecting Batvtgout, Digin, Battmp And Batcur

    7 Electrical Connection SMA Solar Technology AG Danger to life from electric shock due to incorrect insulation High voltage can be present in the control cable. Faulty insulation can result in a conductive connection with other cables or components. Live components can be touched due to this connection. Touching can result in death or serious injury due to electric shock.

  • Page 61: Connecting Extvtg

    5. Connect the insulated conductors to terminal ExtVtg using the 2-pole terminal (torque: 0.5 Nm to 0.6 Nm) (for circuitry overview, see the quick reference guide “SMA Flexible Storage System with Battery-Backup Function”): • Connect the line conductor to terminal ExtVtg L.

  • Page 62: Checking The Wiring

    7 Electrical Connection SMA Solar Technology AG 7.6 Checking the Wiring Ensure that you carry out all tests relevant to the system and rectify all detected problems. Tip: Tests can be documented directly in the tables. Cross out all tests not applicable.
  • Page 63 SMA Solar Technology AG 7 Electrical Connection Checking the DC connection of the Sunny Island inverter Test point Test criterion Enclosure opening for DC In the cable gland M32, the diameter of the DC power cable must □ be 14 mm to 25 mm.
  • Page 64 7 Electrical Connection SMA Solar Technology AG Test point Test criterion AC power cable at connection AC1 The cables are sufficiently protected by circuit breakers. □ Trip-capable circuit breakers are installed and additional type A □ residual-current devices have been installed.
  • Page 65 SMA Solar Technology AG 7 Electrical Connection Test point Test criterion Communication with The data cable between the Sunny Island Charger 50 and the □ Sunny Island Charger 50, if installed Sunny Island is connected correctly (see manual for Sunny Island Charger 50 charge controller).

  • Page 66: Sealing And Closing The Sunny Island

    7 Electrical Connection SMA Solar Technology AG 7.7 Sealing and Closing the Sunny Island Figure 20: Position of the cable glands and the cable feed-through plate. Position Designation Cable glands Cable feed-through plate Procedure: 1. Protect the interior of the Sunny Island from dust and moisture: •...

  • Page 67: Inserting The Fuse Links In The Fuse Switch-Disconnector Batfuse

    SMA Solar Technology AG 7 Electrical Connection 7.8 Inserting the Fuse Links in the Fuse Switch-Disconnector BatFuse 1. Ensure that the NH1 fuse link for the BatFuse is correct: Sunny Island Fuse link SI3.0M-11 80 A SI4.4M-11 100 A SI6.0H-11 160 A SI8.0H-11...

  • Page 68: Commissioning

    8 Commissioning SMA Solar Technology AG 8 Commissioning 8.1 Basic Configuration 8.1.1 Starting the Quick Configuration Guide With the Quick Configuration Guide (QCG), you can configure the settings required for operation. Step by step, the QCG requests the required settings for the system. Parameter setting for a cluster takes place centrally at the master.

  • Page 69: Performing Basic Configuration Of The Sunny Island

    SMA Solar Technology AG 8 Commissioning 8.1.2 Performing Basic Configuration of the Sunny Island Requirements: ☐ The Sunny Remote Control must be connected to the master. ☐ All Sunny Island inverters must be switched on but not in operation (for how to switch on the Sunny Island inverter, see the Sunny Island inverter operating manual).
  • Page 70 8 Commissioning SMA Solar Technology AG Procedure: 1. Switch off the Sunny Island and open the BatFuse load-break switch quickly. 2. Short-circuit the measuring cable at the battery current sensor. Connect the BatCur– and BatCur+ insulated measuring conductors to the connection for BatCur+.

  • Page 71: Setting The Functions Of The Multifunction Relays

    Setting the Functions of the Multifunction Relays The multifunction relays of the master are preset in an SMA Flexible Storage System and cannot be changed. In multicluster systems with Multicluster Box 12 (MC-BOX-12.3-20), multifunction relays 1 and 2 in the master of the main cluster and multifunction relay 1 in slave 1 of the main cluster are set permanently.

  • Page 72: Battery Management

    Note that the battery charging behavior names used by SMA Solar Technology AG and the battery manufacturer may, in some cases, differ in meaning (for the battery charging behavior of the Sunny Island inverter, see technical information “Battery Management”).

  • Page 73: Changing The Battery Usage Through Battery-Backup Systems Without Increased Self-Consumption

    SMA Solar Technology AG 8 Commissioning 5. Set the parameters for full charge: • Select the parameter Time for full charge of battery / 222.03 AptTmFul and set to the full-charge absorption time recommended by the battery manufacturer. • Select the parameter Full charge cycle time / 222.05 CycTmFul and set to the full-charge cycle time recommended by the battery manufacturer.
  • Page 74 8 Commissioning SMA Solar Technology AG Range Explanation of the range and parameters Behavior of the Sunny Island inverter BuRes Range for battery-backup function The Sunny Island uses this range for supplying the battery-backup grid when the utility grid fails. When...

  • Page 75: Battery Usage Through Systems For Increased Self-Consumption

    SMA Solar Technology AG 8 Commissioning Parameter Value Minimum width of the battery-backup range / If all ranges combined do not amount 262.03 BUResSOC to 100%, the BuRes range will be increased automatically. Seasonal operation active / 261.03 Saisonenable 8.2.4 Battery Usage through Systems for Increased Self-Consumption 8.2.4.1...
  • Page 76 8 Commissioning SMA Solar Technology AG Figure 22: State of charge ranges of the battery according to the time of year (example) Range Explanation of the range and parameters Behavior of the Sunny Island inverter SlfCsmp Range for increased self-consumption The Sunny Island uses the battery for increased self-consumption.
  • Page 77 SMA Solar Technology AG 8 Commissioning Range Explanation of the range and parameters Behavior of the Sunny Island inverter ProtRes Range for protection in the event of deep discharge When this range is reached, the Sunny Island switches off in order to protect the battery. When...

  • Page 78: Changing The Battery Usage Through Battery-Backup Systems With Increased Self-Consumption

    8 Commissioning SMA Solar Technology AG Procedure: 1. Log in to the communication product as Installer (see the user manual of the communication product) or switch to expert mode on the Sunny Remote Control (see the Sunny Island operating manual).
  • Page 79 SMA Solar Technology AG 8 Commissioning This results in the seasonal progression of the ranges. Figure 23: State of charge ranges of the battery according to the time of year (example) Range Explanation of the value and parameters Behavior of the Sunny Island inverter...
  • Page 80 8 Commissioning SMA Solar Technology AG Range Explanation of the value and parameters Behavior of the Sunny Island inverter BatRes Range for protection against deep discharge This range The Sunny Island switches into standby mode. can only be reached when the utility grid fails.

  • Page 81: Changing The Battery Protection Mode In Off-Grid Systems

    SMA Solar Technology AG 8 Commissioning 2. Set the following parameters for increased self-consumption: Parameter Value Increased self-consumption switched on / 261.01 SlfCsmpIncEna Enable Lower limit of the deep-discharge protection range before – disconnection / 262.01 ProtResSOC Minimum width of the deep-discharge protection range / –...
  • Page 82 8 Commissioning SMA Solar Technology AG • Level 2 If the SOC drops below the threshold for level 2, the Sunny Island switches to standby. Use the start time and end time to define the time window in which no energy is anticipated from AC sources. Outside this time window, the Sunny Island starts up every two hours to charge the battery.

  • Page 83: Setting The Control Of The Battery Room Fan

    SMA Solar Technology AG 8 Commissioning Configuring the resistance of the battery cable You can optimize the battery management if you set the resistance of the battery cable in expert mode. Figure 24: Designation of the cable The resistance of the battery cable is composed of the resistance of cable 1, the BatFuse and the resistance of cable 2.

  • Page 84: Energy Management

    8 Commissioning SMA Solar Technology AG • Select the parameter Temperature limit for multifunction relay with battery room fan / 221.07 BatFanTmpStr and set it to the battery temperature at which the fan is to be switched on. 2. Ensure that the multifunction relay used for control is set to BatFan or MccBatFan (see Section 8.1.5 "Setting the Functions of the Multifunction Relays", page 71).

  • Page 85: Setting One-Level Load Shedding

    SMA Solar Technology AG 8 Commissioning 8.3.2 Setting One-Level Load Shedding One multifunction relay controls the load-shedding contactor depending on the state of charge of the battery. Significance of the SOC thresholds: When the state of charge of the battery reaches the lower SOC threshold, the multifunction relay opens the connected load-shedding contactor.

  • Page 86: Setting Time-Dependent One-Level Load Shedding

    8 Commissioning SMA Solar Technology AG • When the state of charge of the battery reaches the first upper SOC threshold 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 utility grid that were disconnected for the first level.
  • Page 87 SMA Solar Technology AG 8 Commissioning Example: from 10:00 p.m. to 6:00 a.m., the load-shedding contactor is not to disconnect the loads from the utility grid where possible. Figure 25: Profile of the SOC thresholds for controlling the load-shedding contactor and the start times for the time periods For the standard time period, the start time is set to 6:00 a.m.

  • Page 88: Setting Time-Dependent Two-Level Load Shedding

    8 Commissioning SMA Solar Technology AG 8.3.5 Setting Time-Dependent Two-Level Load Shedding The time-dependent load shedding divides the day into two time periods (see Section 9.3 "Setting Time-Dependent Functions", page 100). You set the SOC thresholds that apply for each time period for two-level load shedding.

  • Page 89: Setting Utilization Of Excess Energy In Off-Grid Systems

    SMA Solar Technology AG 8 Commissioning 6. Ensure that the multifunction relay used for controlling the first level of load shedding is set to AutoLod1Soc (see Section 8.1.5 "Setting the Functions of the Multifunction Relays", page 71). 7. Ensure that the multifunction relay used for controlling the second level of load shedding is set to AutoLod2Soc.

  • Page 90: Generator Management

    8 Commissioning SMA Solar Technology AG 8.4 Generator Management 8.4.1 Configuration of the Thresholds for Generator Connection 8.4.1.1 Changing the Current limit for the Generator Significance of the current limits: The generator management limits the consumption of generator current to the maximum set value.

  • Page 91: Changing The Permitted Reverse Power In The Generator

    SMA Solar Technology AG 8 Commissioning 3. Select the parameter Frequency monitoring generator lower minimum threshold / 234.05 GnFrqMin and set to the minimum frequency of the generator voltage. 4. Select the parameter Frequency monitoring generator upper maximum threshold / 234.06 GnFrqMin and set to the maximum frequency of the generator voltage.

  • Page 92: Configuring Generator Run Times

    8 Commissioning SMA Solar Technology AG Procedure: 1. Log in to the communication product as Installer (see the user manual of the communication product) or switch to expert mode on the Sunny Remote Control (see the Sunny Island operating manual).

  • Page 93: Changing The Minimum Stop Time For The Generator

    SMA Solar Technology AG 8 Commissioning 8.4.3.4 Changing the Minimum Stop Time for the Generator 1. Log in to the communication product as Installer (see the user manual of the communication product) or switch to expert mode on the Sunny Remote Control (see the Sunny Island operating manual).

  • Page 94: Configuring The Load-Dependent Generator Request

    8 Commissioning SMA Solar Technology AG Example: from 10:00 p.m. to 6:00 a.m., the generator is not to start where possible. Figure 27: Profile of the SOC and the times for generator requests For the standard time period, the start time is set to 6:00 a.m. and the end time to 10:00 p.m. The lower SOC threshold is set to 40% and the upper SOC threshold is set to 80% in this time period.

  • Page 95: Time-Controlled Generator Requesting

    SMA Solar Technology AG 8 Commissioning Loads in a three-phase system: The generator management considers the total load of all phases. It does not monitor single phases in three-phase systems. If the switch-on power limit is exceeded, the generator management requests the generator.

  • Page 96: Changing The Generator Request Via The Charging Process Of The Battery

    8 Commissioning SMA Solar Technology AG 8.4.4.6 Changing the Generator Request via the Charging Process of the Battery 1. Log in to the communication product as Installer (see the user manual of the communication product) or switch to expert mode on the Sunny Remote Control (see the Sunny Island operating manual).

  • Page 97: Setting The Time Control

    Procedure: • If the operation of the Sunny Island connected to the utility grid is allowed and an adjustment is necessary, change the Sunny Island according to the documentation (see www.SMA-Solar.com). 8.7 Changing the Automatic Frequency Synchronization in Off-Grid Systems Automatic frequency synchronization enables the use of clocks which use the power frequency as a timer.

  • Page 98: Completing Commissioning

    8 Commissioning SMA Solar Technology AG Procedure: 1. Log in to the communication product as Installer (see the user manual of the communication product) or switch to expert mode on the Sunny Remote Control (see the Sunny Island operating manual).

  • Page 99: Supplementary Information

    SMA Grid Guard code. 4. To enter the SMA Grid Guard code in the Sunny Explorer, select Options > SMA Grid Guard in the menu bar and set the SMA Grid Guard code (see Sunny Explorer user manual).

  • Page 100: Setting Time-Dependent Functions

    9 Supplementary Information SMA Solar Technology AG 9.3 Setting Time-Dependent Functions Time-dependent functions, such as time-dependent load shedding, split the day into two time periods. You specify the time periods using two points in time. The standard time period starts with time 1 and ends with time 2. The additional time period starts with time 2 and ends with time 1.

  • Page 101: Technical Data

    SMA Solar Technology AG 10 Technical Data 10 Technical Data 10.1 AC1 Connection for Stand-Alone Grid Sunny Island Sunny Island Sunny Island Sunny Island 3.0M 4.4M 6.0H 8.0H Rated power 2,300 W 3,300 W 4,600 W 6,000 W Power for 30 minutes at 25°C...

  • Page 102: Ac2 Connection For Utility Grid And Generator (External Energy Source)

    10 Technical Data SMA Solar Technology AG 10.2 AC2 Connection for Utility Grid and Generator (External Energy Source) Sunny Island Sunny Island Sunny Island Sunny Island 3.0M 4.4M 6.0H 8.0H Maximum power in an off-grid system 11,500 W 11,500 W...

  • Page 103: Efficiency

    SMA Solar Technology AG 10 Technical Data Sunny Island Sunny Island Sunny Island Sunny Island 3.0M 4.4M 6.0H 8.0H Battery capacity range of lithium-ion 50 Ah to 50 Ah to 50 Ah to 50 Ah to batteries 10,000 Ah 10,000 Ah...

  • Page 104: Sunny Island 3.0M Efficiency Profile

    10 Technical Data SMA Solar Technology AG 10.5 Sunny Island 3.0M Efficiency Profile Figure 29: Characteristic efficiency curve 10.6 Sunny Island 4.4M Efficiency Profile Figure 30: Characteristic efficiency curve SI30M-44M-60H-80H-IA-en-32 Installation manual...

  • Page 105: Sunny Island 6.0H Efficiency Profile

    SMA Solar Technology AG 10 Technical Data 10.7 Sunny Island 6.0H Efficiency Profile Figure 31: Characteristic efficiency curve 10.8 Sunny Island 8.0H Efficiency Profile Figure 32: Characteristic efficiency curve 10.9 Energy Consumption in No-Load Operation and Standby Sunny Sunny Sunny Sunny Island...

  • Page 106: Noise Emission

    Number of buttons Number of LEDs 3 two-color LEDs Display External display SRC-20 Number of interface slots SWDMSI-xx necessary in the SMA Flexible Storage System SI-COMSMA.BGx optional COM SYNC for internal communication only SI-SYSCAN.BGx optional for Sunny Island 6.0H/8.0H Number of digital control inputs...

  • Page 107: Dc Load Limitation Curve Of The Multifunction Relays

    10.14 DC Load Limitation Curve of the Multifunction Relays Figure 33: DC load limitation curve of multifunction relays 1 and 2 10.15 General Data Sunny Island 3.0M/4.4M Sunny Island 6.0H/8.0H Width x height x depth 467 mm x 612 mm x 242 mm...

  • Page 108: Accessories

    11 Accessories SMA Solar Technology AG 11 Accessories The following overview details the accessories and spare parts for your product. These can be ordered as required from SMA Solar Technology AG or your distributor. Designation Brief description SMA order number Batfuse-B.01...

  • Page 109: Contact

    SMA Solar Technology AG 12 Contact 12 Contact If you have technical problems with our products, please contact the SMA Service Line. We require the following information in order to provide you with the necessary assistance: • Sunny Island inverter type •...
  • Page 110 Kıbrıs +30 210 9856666 08600 SUNNY (08600 78669) България International: +27 (12) 622 3000 Italia SMA Italia S.r.l. United Kingdom SMA Solar UK Ltd. Milano Milton Keynes +39 02 8934-7299 +44 1908 304899 SMA Solar (Thailand) Co., Ltd. 대한민국 SMA Technology Korea Co., Ltd.
  • Page 112 SMA Solar Technology www.SMA-Solar.com...

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Sunny island 6.0hSunny island 4.4mSunny island 8.0h

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