SMA SUNNY ISLAND 4.4M Operating Manual
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SMA SUNNY ISLAND 4.4M Operating Manual

Si4.4m-12;si6.0h-12; si8.0h-12
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See also: Installation Manual , Quick Reference Manual
Operating Manual
SUNNY ISLAND 4.4M / 6.0H / 8.0H
ENGLISH
SI44M-80H-12-BE-en-10 | Version 1.0

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Summary of Contents for SMA SUNNY ISLAND 4.4M

  • Page 1 Operating Manual SUNNY ISLAND 4.4M / 6.0H / 8.0H ENGLISH SI44M-80H-12-BE-en-10 | Version 1.0...
  • Page 2 The information contained in these documents is property of SMA Solar Technology AG. Any publication, whether in whole or in part, requires prior written approval by SMA Solar Technology AG. Internal reproduction used solely for the purpose of product evaluation or other proper use is allowed and does not require prior approval.

  • Page 3: Table Of Contents

    SMA Solar Technology AG Table of Contents Table of Contents Information on this Document..................... Validity ................................Target Group ..............................Additional Information............................. Symbols................................Typographies ..............................Nomenclature ..............................Safety ............................11 Intended Use..............................11 Safety Information ............................12 Battery Safety Information..........................14 Battery-Backup System Safety Information ....................
  • Page 4  Table of Contents SMA Solar Technology AG 6.5.7.6 Connecting the Data Cables for Multicluster Communication..............46 6.5.8 Connecting the Battery Temperature Sensor....................47 6.5.9 Connecting the Battery Current Sensor in the Off-Grid System ..............48 6.5.10 Connecting the Control Cable for Autostart Generators................50 6.5.11...
  • Page 5 SMA Solar Technology AG Table of Contents 7.8.1.3 Changing the Frequency Thresholds of the Generator Voltage ..............97 7.8.1.4 Changing the Permitted Reverse Power in the Generator................97 7.8.1.5 Configuring the Current Limit for the Generator Depending on the Frequency.......... 98 7.8.2...
  • Page 6  Table of Contents SMA Solar Technology AG 10.3 Stopping the System............................125 10.4 Switching Off the Sunny Island........................125 10.5 Tripping the Emergency Disconnection of the System................... 126 11 Data Storage and Firmware Update..................127 11.1 Viewing Event Messages or Instantaneous Values ..................127 11.2 Exporting Event Messages..........................
  • Page 7 SMA Solar Technology AG Table of Contents 17.5 Sunny Island 4.4M Efficiency Profile......................183 17.6 Sunny Island 6.0H Efficiency Profile ......................184 17.7 Sunny Island 8.0H Efficiency Profile ......................185 17.8 Energy Consumption in No-Load Operation and Standby ................185 17.9 Noise Emission..............................

  • Page 8: Information On This Document

    • Knowledge of and compliance with this document and all safety information • Knowledge of and compliance with the documents of the battery manufacturer with all safety information Additional Information Links to additional information can be found at www.SMA-Solar.com: Document title Document type "Battery Management in Off-Grid Systems"...

  • Page 9: Typographies

    SMA Solar Technology AG 1 Information on this Document Symbol Explanation Information advising that the following section contains activities that may be performed only by qualified persons. This information is relevant for systems which are to be operated in parallel with utility grid.
  • Page 10 1 Information on this Document SMA Solar Technology AG Complete designation Designation in this document Automatic transfer switch with battery-backup function Automatic transfer switch Grid-forming generators such as electric generators or External energy sources utility grids SI44M-80H-12-BE-en-10 Operating Manual...

  • Page 11: Safety

    Alterations to the product, e.g. changes or modifications, are only permitted with the express written permission of SMA Solar Technology AG. Unauthorized alterations will void guarantee and warranty claims and in most cases terminate the operating license. SMA Solar Technology AG shall not be held liable for any damage caused by such changes.

  • Page 12: Safety Information

    2 Safety SMA Solar Technology AG 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 13 SMA Solar Technology AG 2 Safety Danger to life due to electric shock caused by incorrect connection to the grounding conductor terminals Only the grounding conductors of the AC power cable may be connected to the grounding conductor terminals of the inverter.

  • Page 14: Battery Safety Information

    2 Safety SMA Solar Technology AG Risk of crushing injuries due to moving PV array parts A generator can be started automatically by the Sunny Island. Moving parts in the PV array can crush or sever body parts. • Operate the generator only with the specified safety equipment.
  • Page 15 SMA Solar Technology AG 2 Safety To prevent personal injury or property damage and to ensure long-term operation of the batteries, read this section carefully and observe all safety information at all times. Danger to life due to incompatible lithium-ion battery An incompatible lithium-ion battery can lead to a fire or an explosion.

  • Page 16: Battery-Backup System Safety Information

    2 Safety SMA Solar Technology AG Risk of burns due to hot battery components Improper battery connection may result in excessively high transition resistances. Excessive transition resistances give rise to localized heat build-up. • Ensure that all pole connectors are connected with the connecting torque specified by the battery manufacturer.
  • Page 17 SMA Solar Technology AG 2 Safety Connection of automatic transfer switches for single-phase battery-backup systems In single-phase battery-backup systems, only the line conductor of the Sunny Island that is connected to the circuit breaker F1 of the automatic transfer switch is monitored for grid failure. If terminal AC2 Gen/Grid L is connected to another line conductor, the battery-backup system is not able to synchronize with the utility grid following a grid failure.

  • Page 18: Scope Of Delivery

    3 Scope of Delivery SMA Solar Technology AG 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. Sunny Island Figure 1: Components included in the scope of delivery...
  • Page 19 SMA Solar Technology AG 3 Scope of Delivery Position Quan- Designation Position Quan- Designation tity tity Cable gland M25 Micro SD card (optional) Counter nut for cable gland M25 Battery temperature sensor (optional) Communication for Multicluster System Order Option Position...

  • Page 20: Product Description

    Service. The type la- bel must remain permanently attached to the product. You will find the following information on the type label: • Address of SMA Solar Technology AG • Device type (Model) • Serial number (Serial No.) •...

  • Page 21: Interfaces And Functions

    Ethernet connection to a computer, tablet PC or smartphone. SMA Speedwire The inverter is equipped with SMA Speedwire as standard. SMA Speedwire is a type of communication based on the Ethernet standard. This enables inverter-optimized 10 or 100 Mbit data transmission between Speedwire devices in PV systems and the user interface of the inverter.
  • Page 22 Sunny Island system can be traced. From this, for example, parameter settings can be derived that will e.g. increase the self-consumption of PV energy or the service life of the battery. For SMA Service, this data simplifies the analysis of any errors present and the identification of possible solutions.

  • Page 23: Control Panel

    SMA Solar Technology AG 4 Product Description Control Panel Figure 3: Layout of the control panel Position Symbol Designation Status Explanation Start-stop button − By pressing the start-stop button, you can start or stop the system. "On" button − Pressing the "On" button will switch the Sunny Is- land on.

  • Page 24: 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 2 in slave 1 of the main cluster are set permanently.

  • Page 25: Mounting

    SMA Solar Technology AG 5 Mounting 5 Mounting Requirements for Mounting Requirements for the Mounting Location: Danger to life due to fire or explosion Despite careful construction, electrical devices can cause fires. • Do not mount the product in areas containing highly flammable materials or gases.
  • Page 26 5 Mounting SMA Solar Technology AG max. 15° 90° Figure 4: Permitted and prohibited mounting positions Dimensions for mounting: 217.3 217.3 Ø 11 79.2 104.6 87.3 87.3 Ø 9 58.3 58.3 Figure 5: Position of the anchoring points (dimensions in mm) Recommended clearances: If you maintain the recommended clearances, adequate heat dissipation will be ensured.

  • Page 27: Mounting The Sunny Island

    SMA Solar Technology AG 5 Mounting 1035 Figure 6: Recommended clearances if mounting several inverters (dimensions in mm) Mounting the Sunny Island Mounting Sunny Island devices with multicluster communication The multicluster data modules are installed in the master at the factory if multicluster communication has been ordered.
  • Page 28 5 Mounting SMA Solar Technology AG 2. Mark the position of the drill holes using the wall mounting bracket. Use at least one hole on the right-hand and left-hand side in the wall mounting bracket. 3. Drill the holes and insert the screw anchors.
  • Page 29 SMA Solar Technology AG 5 Mounting 10. In order to protect the Sunny Island against theft, attach the bottom side to the wall with two security screws. 11. Ensure that the Sunny Island is firmly attached. Operating Manual SI44M-80H-12-BE-en-10...

  • Page 30: Electrical Connection

    6 Electrical Connection SMA Solar Technology AG 6 Electrical Connection Content and Structure of the Section Some of the following sub-sections relate to the physical connection of components or the use of physical connections on the Sunny Island. Other sub-sections describe actions that must always be performed.

  • Page 31: Overview Of The Connection Area

    SMA Solar Technology AG 6 Electrical Connection Overview of the Connection Area NO C NO C Relay 1 Relay 2 Figure 7: Connection area of the Sunny Island inverter Position Designation Position Designation DC+ connection Enclosure opening for DC- DC- connection...

  • Page 32: Inserting The Micro Sd Card

    The optional micro SD card extends the data storage capacity of the inverter (see Section 17.13, page 186). The micro SD card can be ordered as an optional accessory from SMA Solar Technology AG or purchased via specialist retailers. Perform the following steps to insert the micro SD card.

  • Page 33: Connecting The Components

    SMA Solar Technology AG 6 Electrical Connection Procedure: 1. Calculate the cross-section of the grounding conductor. Observe all locally applicable standards and directives when doing so. 2. Ground the battery at the positive terminal or negative terminal using a conductor with the calculated cross- section.

  • Page 34: Connecting The Utility Grid In The System For Increased Self-Consumption

    6 Electrical Connection SMA Solar Technology AG Cable requirements when using the inverter with an enwitec BAT FUSE B-01 or enwitec BAT FUSE B-03 battery fuse: Sunny Island Cable Conductor cross- Cable diameter Terminal lug length* section SI8.0H ≤ 5 m 70 mm² 14 mm to 25 mm M8, 20 mm to 25 mm wide >...
  • Page 35 SMA Solar Technology AG 6 Electrical Connection Procedure: 1. On the Sunny Island, connect the power cable to the terminals AC2 Gen/Grid (see Section 6.6.2, page 62): • Connect the line conductor to AC2 Gen/Grid L. • Connect the neutral conductor to AC2 Gen/Grid NTT.

  • Page 36: Connecting An Automatic Transfer Switch In The Battery Backup System

    Relevant for systems connected to the utility grid The AC power cables conduct the energy between the battery-backup grid and the Sunny Island (see circuitry overview in the quick reference guide "SMA FLEXIBLE STORAGE SYSTEM with Battery-Backup Function"). Requirements: ☐ With each three-phase cluster, the connection of the line conductor must be prepared as follows: L1 to the master, L2 to slave 1 and L3 to slave 2.

  • Page 37: Connecting The Control Cables Of The Automatic Transfer Switch

    Relevant for systems connected to the utility grid Control cables conduct the control signals of the multifunction relays to the contactors (see circuitry overview in the quick reference guide "SMA FLEXIBLE STORAGE SYSTEM with Battery-Backup Function"). Cable route for control cables and measuring cables in the automatic transfer switch...

  • Page 38: Connecting The Measuring Cables Of The Automatic Transfer Switch

    The Sunny Island measures the voltages of the respective line conductors via one measuring cable. In addition, the master measures whether the tie switch has activated or deactivated (see circuitry overview in the quick reference guide "SMA FLEXIBLE STORAGE SYSTEM with Battery-Backup Function"). Cable route for control cables and measuring cables in the automatic transfer switch...
  • Page 39 SMA Solar Technology AG 6 Electrical Connection Requirements for connecting Sunny Island inverters in single-phase parallel single-cluster systems: ☐ For a single-phase parallel single-cluster system, the cable length and conductor cross-section from each Sunny Island to the AC distribution board must be identical. This will allow for stable and symmetric operation.

  • Page 40: Connection Of Multicluster-Box 12 (Mc-Box-12.3-20)

    6 Electrical Connection SMA Solar Technology AG 6.5.5 Connection of Multicluster-Box 12 (MC-Box-12.3-20) 6.5.5.1 Connecting the AC Power Cable of the Multicluster-Box 12 Danger to life due to fire In case of a short circuit, the short-circuit current driven by the generator flows over the unprotected cable between the Sunny Island and the AC distribution board.

  • Page 41: Connecting The Measuring Cable Of The Multicluster-Box 12

    SMA Solar Technology AG 6 Electrical Connection 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 (see Section 6.6.5 "Connecting Relay 1 and Relay 2", page 65).

  • Page 42: Connecting The Generator In An Off-Grid System

    6 Electrical Connection SMA Solar Technology AG 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 (see Section 6.6.7 "Connecting ExtVtg", page 67): • On the master, connect the X112 3 and X112 4 conductors to ExtVtg.

  • Page 43: Communication Connection

    SMA Solar Technology AG 6 Electrical Connection Procedure: 1. Connect the power cable to the AC2 Gen/Grid terminal on the Sunny Island. To do this, connect the neutral conductor to terminal N (see Section 6.6.2 "Connecting the AC Power Cable", page 62). • Connect the line conductor to AC2 Gen/Grid L.

  • Page 44: Connecting The Data Cable For The Internal Communication Of The Cluster

    6 Electrical Connection SMA Solar Technology AG Procedure: 1. Plug the data cable into a free pin connector ComSync on the Sunny Island (see Section 6.6.4 "Connecting the Data Cable", page 64). NO C NO C Relay 1 Relay 2 2. Connect the other end of the data cable to the battery management of the lithium-ion battery (see battery manufacturer documentation).

  • Page 45: Connecting The Data Cable Of The Multicluster-Box

    SMA Solar Technology AG 6 Electrical Connection 6.5.7.4 Connecting the Data Cable of the Multicluster-Box For a multicluster system, the Multicluster-Box communicates with the master of the main cluster via a black data cable (see Multicluster-Box documentation). The black data cable is part of the scope of delivery of the Multicluster-Box.

  • Page 46: Connecting The Data Cables For Multicluster Communication

    6 Electrical Connection SMA Solar Technology AG 6.5.7.6 Connecting the Data Cables for Multicluster Communication In a multicluster system, the masters of the various clusters communicate with each other (see Multicluster-Box documentation). An SI‑SYSCAN.BGx communication interface must be installed in each master for Multicluster communication.

  • Page 47: Connecting The Battery Temperature Sensor

    SMA Solar Technology AG 6 Electrical Connection 6.5.8 Connecting the Battery Temperature Sensor With lead-acid batteries, the battery management of the Sunny Island inverter must record the temperature of the connected battery. Battery temperature sensor in a cluster Only the master measures the battery temperature in a cluster.

  • Page 48: Connecting The Battery Current Sensor In The Off-Grid System

    6 Electrical Connection SMA Solar Technology AG 6.5.9 Connecting the Battery Current Sensor in the Off-Grid System When using lead-acid batteries, a battery current sensor can be installed for precise measurement of the battery current. Relevant for off-grid systems Figure 10: Connection of the battery current sensor to the Sunny Island.
  • Page 49 SMA Solar Technology AG 6 Electrical Connection 4. Thread both insulated conductors through a ferrite included in the scope of delivery and connect to the terminals BatCur+ und BatCur- on the Sunny Island (see Section 6.6.6 "Connecting BatVtgOut, DigIn, BatTMP and BatCur", page 66).

  • Page 50: Connecting The Control Cable For Autostart Generators

    6 Electrical Connection SMA Solar Technology AG 6.5.10 Connecting the Control Cable for Autostart Generators Relevant for off-grid systems Autostart generators are started and stopped with a contact. Signal generator or generator control in a cluster Slaves control the generator less reliably than masters do.

  • Page 51: Connecting A Signaler For Generators Without An Autostart Function

    SMA Solar Technology AG 6 Electrical Connection 6.5.11 Connecting a Signaler for Generators Without an Autostart Function Relevant for off-grid systems 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 52: Connecting Load-Shedding Contactors

    6 Electrical Connection SMA Solar Technology AG Procedure: Danger to life from electric shock due to incorrect insulation • The default setting of the Sunny Island uses the multifunction relay Relay1 for generator requests. Therefore, connect the control cable to the multifunction relay Relay1 on the Sunny Island (see Section 6.6.5...
  • Page 53 SMA Solar Technology AG 6 Electrical Connection 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 fault. In the event of a disturbance, the slave may wait for confirmation from the master.

  • Page 54: Connecting The Time Control For External Processes

    6 Electrical Connection SMA Solar Technology AG Value Explanation One‑level load shedding or the first level of Setting for one-level load shedding or the first level of two-level two-level load shedding load shedding. Load shedding is only stopped when the battery has been sufficiently charged.

  • Page 55: Connecting Message Devices For Operating States And Warning Messages

    SMA Solar Technology AG 6 Electrical Connection 6.5.14 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 56: Connecting The Battery Room Fan

    6 Electrical Connection SMA Solar Technology AG Value Version Relay is activated when utility grid is avail- The utility grid is connected in the off-grid system. able Relay is deactivated in the event of an error A Sunny Island displays an error message of level 2 or higher.

  • Page 57: Connecting The Electrolyte Pump For The Battery

    SMA Solar Technology AG 6 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 58: Connecting The Signal Cable Of The External Generator Request

    6 Electrical Connection SMA Solar Technology AG 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. This means that the excess energy is not used. The Sunny Island allows for the use of excess energy by means of a multifunction relay.

  • Page 59: Connecting The Cables

    SMA Solar Technology AG 6 Electrical Connection 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 60 6 Electrical Connection SMA Solar Technology AG Danger to life due to incompatible lithium-ion battery An incompatible lithium-ion battery can lead to a fire or an explosion. With incompatible lithium-ion batteries, it is not ensured that battery management is intrinsically safe and will protect the battery.
  • Page 61 SMA Solar Technology AG 6 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 62: Connecting The Ac Power Cable

    6 Electrical Connection SMA Solar Technology AG 13. Ensure that the entire contact surface of the fender washer is in contact with the terminal lug. 14. Ensure that the seal insert is positioned correctly in the cable gland. 15. Tighten the swivel nuts of the cable glands (torque 4.5 Nm).

  • Page 63: Connecting The Grounding Conductor

    SMA Solar Technology AG 6 Electrical Connection Procedure: 1. Move the levers of the terminals upward at AC1 or AC2. 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 64: Connecting The Data Cable

    6 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 M25 cable gland to the AC1 or AC2 enclosure opening using the counter nut (torque: 7 Nm). .

  • Page 65: Connecting Relay 1 And Relay 2

    SMA Solar Technology AG 6 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 66: Connecting Batvtgout, Digin, Battmp And Batcur

    6 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 67: Connecting Extvtg

    SMA Solar Technology AG 6 Electrical Connection ☐ Cable length for BatCur: less than 3 m. Procedure: 1. Break through a suitable location in the cable feed-through plate with a sharp object. 2. Strip 7 mm of the cable insulation. 3. Lead the insulated conductors through the hole in the cable feed-through plate into the Sunny Island.

  • Page 68: Checking The Wiring

    6 Electrical Connection SMA Solar Technology AG • Connect the neutral conductor to terminal ExtVtg N. 5. Ensure that the conductors are plugged completely into the terminals up to the insulation. 6. In accordance with the labelling, plug the 2-pole terminal block into the connection ExtVtg on the inverter until the terminal block audibly snaps into place.
  • Page 69 SMA Solar Technology AG 6 Electrical Connection Test point Test criterion Connection of additional grounding Hexagon socket screw is screwed tight (torque: 4 Nm to 5.7 Nm). ☐ Grounding conductor connection to The grounding conductors must be grounded, e.g., by connection to a ☐...
  • Page 70 6 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 resid- ☐ ual-current devices have been installed.
  • Page 71 SMA Solar Technology AG 6 Electrical Connection Test point Test criterion Cable at BatVtgOut and DigIn The cable must be threaded through a ferrite. ☐ The cable length must be less than 30 m. ☐ Checking the Wiring of the Communication Products...

  • Page 72: Sealing And Closing The Sunny Island

    6 Electrical Connection SMA Solar Technology AG Sealing and Closing the Sunny Island NO C NO C Relay 1 Relay 2 Figure 15: Position of the cable glands and the cable feed-through plate. Position Designation Cable glands Cable feed-through plate 1. Protect the interior of the Sunny Island from dust and moisture: •...

  • Page 73: Inserting The Fuse Links In The Fuse Switch-Disconnector

    SMA Solar Technology AG 6 Electrical Connection Inserting the Fuse Links in the Fuse Switch-Disconnector 1. Ensure that the NH1 fuse link for the fuse switch-disconnector of the battery fuse is correct: Device type Fuse link SI4.4M-12 100 A SI6.0H-12 160 A SI8.0H-12...

  • Page 74: Commissioning

    Set the system-specific basic configuration. Please note that the per- Section 7.2, page 75 sonal SMA Grid Guard code for changing the grid-relevant parame- ters must be available after completion of the first ten operating hours (see "Application for SMA Grid Guard Code" at www.SMA-So- lar.com).

  • Page 75: Performing Basic Configuration Of The Installation Assistant

    SMA Solar Technology AG 7 Commissioning Performing Basic Configuration of the Installation Assistant Once you have logged into the user interface as Installer, the installation assistant opens. Figure 16: Layout of the installation assistant (example) Position Designation Description Configuration steps Overview of the installation assistant steps.

  • Page 76: Configuring The Country Data Set

    7 Commissioning SMA Solar Technology AG ☐ All Sunny Island inverters must be connected correctly (see Section 6.7, page 68). ☐ All Sunny Island inverters must be closed (see Section 6.8, page 72). ☐ All Sunny Island inverters must be switched off. ☐ The fuse switch-disconnector of the battery fuse must be closed (see Section 6.9, page 73).

  • Page 77: Changing Thresholds For Systems For Increased Self-Consumption

    In certain countries, the settings may need to be modified for connection of the Sunny Island inverter to the utility grid. Procedure: • If the Sunny Island may be operated on the utility grid and a change is necessary, change the configuration of the Sunny Island in accordance with the system description of the selected Sunny Island system (see www.SMA- Solar.com). "Battery Management"...

  • Page 78: Changing The Battery Usage Through Battery-Backup Systems Without Increased Self-Consumption

    7 Commissioning SMA Solar Technology AG • Set the parameter Battery full charge time to the full charge absorption time recommended by the battery manufacturer. • Set the parameter Cycle time full charge to the full charge cycle time recommended by the battery manufacturer.
  • Page 79 SMA Solar Technology AG 7 Commissioning 100 % Area BuRes Area BatRes Area ProtRes Summer Winter Winter (Summer) (Winter) (Summer) Figure 17: 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...

  • Page 80: Battery Usage Through Systems For Increased Self-Consumption

    7 Commissioning SMA Solar Technology AG Range Lead-acid battery Lithium-ion battery BatRes 10% to 15% 3% to 13% ProtRes 0% to 10% 0% to 3% Procedure for multicluster systems with battery-backup grid With the Multicluster-Box 12 (MC-Box-12.3-20) and the NA-Box or Grid-Connect-Box, multicluster systems with battery-backup grid can be installed (see Multicluster-Box and NA-Box / Grid-Connect-Box documentation).

  • Page 81: Changing The Battery Usage Through Systems For Increased Self-Consumption Without A Battery Backup Grid

    SMA Solar Technology AG 7 Commissioning 7.6.4.2 Changing the Battery Usage Through Systems for Increased Self-Consumption Without a Battery Backup Grid Relevant for systems connected to the utility grid Adjusting the default values The parameters for battery usage are set automatically to reasonable values during basic configuration for the respective system.
  • Page 82 7 Commissioning SMA Solar Technology AG The longer the days become, the more the SlfCsmp range increases automatically and the range for protection against deep discharge (BatRes) decreases. The range for increased self-consumption reaches its maximum on the longest day. This results in the seasonal progression of the ranges.
  • Page 83 SMA Solar Technology AG 7 Commissioning Range Explanation of the range and parameters Behavior of the Sunny Island inverter BatRes Range for protection against deep discharge If a utility grid is available, the Sunny Island charges the battery using nominal power This range can only be reached when the utility grid fails.

  • Page 84: Changing The Battery Usage Through Battery-Backup Systems With Increased Self-Consumption

    7 Commissioning SMA Solar Technology AG 3. Select Battery > Areas of application >. 4. Set the following parameters for the battery usage: Parameter Value Lower lmt deep disch. protect area prior shut- Range for protection during deep discharge as a per-...
  • Page 85 SMA Solar Technology AG 7 Commissioning Two ranges can be adjusted seasonally in battery-backup systems with increased self-consumption: • Range for increased self-consumption (MinSlfCsmp) You determine the percentage of the battery capacity that is to be used for increased self-consumption on the shortest day of the year.
  • Page 86 7 Commissioning SMA Solar Technology AG Range Explanation of the range and parameters Behavior of the Sunny Island inverter PVRes Range for maintaining the state of charge of the battery Excess PV energy is used for conserving the battery charge. If no excess PV energy is The range size is constant year-round.
  • Page 87 SMA Solar Technology AG 7 Commissioning The following ranges result from deactivating seasonal adjustment with the default values of the parameters: Range Lead-acid battery Lithium-ion battery SlfCsmp 65% to 100% 30% to 100% PVRes 60% to 65% 25% to 30%...

  • Page 88: Changing The Battery Protection Mode In Off-Grid Systems

    7 Commissioning SMA Solar Technology AG Parameter Value Highest-yielding month for battery utilization North for northern hemisphere* range: South for southern hemisphere** Highest-yielding month for battery utilization No for no seasonal adjustment range: Yes for seasonal adjustment * Set the value to North when June is the month with the highest yield.

  • Page 89: Configuring The Resistance Of The Battery Cable

    SMA Solar Technology AG 7 Commissioning 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 on connection AC2, the Sunny Island exits standby mode.

  • Page 90: Setting The Control Of The Battery Room Fan

    7 Commissioning SMA Solar Technology AG 2. Calculate the total resistance of the battery cable. Use the following formula: BatRes cable 1 battery fuse cable 2 = total resistance of the battery cable BatRes = Calculated resistance of cable 1 Cable 1...

  • Page 91: Setting One-Level Load Shedding

    SMA Solar Technology AG 7 Commissioning 5. Set the parameter Time load shedding 1 and the parameter Start time additional time range load shedding 1 each to the same value, e.g. to 00:00:00. This will switch the time-dependent load shedding off.

  • Page 92: Setting Time-Dependent One-Level Load Shedding

    7 Commissioning SMA Solar Technology AG Two multifunction relays control two load-shedding contactors depending on the state of charge of the battery. Significance of the SOC thresholds: Two lower and two upper SOC thresholds are available for each interval for controlling the load-shedding contactors.
  • Page 93 SMA Solar Technology AG 7 Commissioning The time-dependent load shedding divides the day into two intervals (see Section 9.8.2 "Setting Time-Dependent Functions", page 123). You set the SOC thresholds that apply for each interval. For example, you can set that no loads are to be disconnected from the utility grid during the night where possible.

  • Page 94: Setting Time-Dependent Two-Level Load Shedding

    7 Commissioning SMA Solar Technology AG • Set the parameter Limit battery state of charge for stop load shedding 1 in add time range to the upper SOC threshold for the additional time period. 4. Ensure that the parameter of the multifunction relay is set to 1-stage load shedding or 1st stage with 2-stage load shedding (see Section 7.10.2 "Setting the Functions of the Multifunction Relays", page 108).
  • Page 95 SMA Solar Technology AG 7 Commissioning • Set the parameter Limit battery state of charge for start load shedding 1 in add time range to the lower SOC threshold for the first level of load shedding. • Set the parameter Limit battery state of charge for stop load shedding 1 in add time range to the upper SOC threshold for the first level of load shedding.

  • Page 96: Generator Management

    7 Commissioning SMA Solar Technology AG The basic procedure for changing operating parameters is explained in another section (see Section 9.2 "Changing Operating Parameters", page 119). Procedure: 1. Set the parameter 241.07 ExtPwrDerMinTm to the minimum time that the multifunction relay remains activated.

  • Page 97: Changing The Voltage Thresholds For The Generator

    SMA Solar Technology AG 7 Commissioning 7.8.1.2 Changing the Voltage Thresholds for the Generator Relevant for off-grid systems The voltage thresholds determine the range within which the generator voltage is allowed to fluctuate. When the Sunny Island switches to the generator, the stand-alone grid will also fluctuate within this range.

  • Page 98: Configuring The Current Limit For The Generator Depending On The Frequency

    7 Commissioning SMA Solar Technology AG If the reverse power for the set time is exceeded, all Sunny Island inverters disconnect the generator from the stand- alone grid and block the connection of the generator to the stand-alone grid for the minimum stop time.

  • Page 99: Changing The Type Of The Generator Interface

    SMA Solar Technology AG 7 Commissioning 7.8.2 Changing the Type of the Generator Interface Relevant for off-grid systems If you have installed a generator in the system, the type of generator interface determines how the generator is controlled. The basic procedure for changing operating parameters is explained in another section (see Section 9.2 "Changing Operating Parameters", page 119).

  • Page 100: Changing The Power-Down Time For The Generator

    7 Commissioning SMA Solar Technology AG 1. Select Generator > Operation. 2. Set the parameter Average operating time of generator to the desired value. 7.8.3.3 Changing the Power-Down Time for the Generator Relevant for off-grid systems Internal shut-off delay of the generator Generators may have an internal shut-off delay which is activated only once the generator request has been removed.

  • Page 101: Setting A Time-Dependent Generator Request

    SMA Solar Technology AG 7 Commissioning If the battery reaches the lower SOC threshold, the generator management requests the generator. If the battery reaches the upper SOC threshold during recharging, the generator management resets this generator request. The basic procedure for changing operating parameters is explained in another section (see Section 9.2 "Changing Operating Parameters", page 119).
  • Page 102 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. 80 % 40 % 30 % 12 a.m. 6 a.m. 10 p.m. Standard time period Additional time period Figure 23: 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.

  • Page 103: Configuring The Load-Dependent Generator Request

    SMA Solar Technology AG 7 Commissioning 7.8.4.4 Configuring the Load-Dependent Generator Request Relevant for off-grid systems The basic procedure for changing operating parameters is explained in another section (see Section 9.2 "Changing Operating Parameters", page 119). Significance of the load-dependent generator request: If you activate the load-dependent generator request, the Sunny Island requests the generator in the event of a high...

  • Page 104: Changing The Generator Request Via The Charging Process Of The Battery

    7 Commissioning SMA Solar Technology AG If the generator is requested dependent on time, it is requested on certain days for a set duration (see Section 9.8.3 "Setting Time-Controlled Functions", page 123). The basic procedure for changing operating parameters is explained in another section (see Section 9.2 "Changing Operating Parameters", page 119).

  • Page 105: Configuring The Procedure In The Event Of A Generator False Start

    SMA Solar Technology AG 7 Commissioning Procedure: 1. Select Generator > Generator request via digital input. 2. In order to activate the external generator request, set the parameter Reaction to digital input of generator request to Enable. 3. In order to deactivate the external generator request, set the parameter Reaction to digital input of generator request to Disable.
  • Page 106 7 Commissioning SMA Solar Technology AG Procedure: 1. Switch off the Sunny Island and open the battery fuse load- break switch quickly. 2. Short-circuit the measuring cable at the battery current sensor. To do so, Connect the BatCur– and BatCur+ insulated measuring conductors to the connection for BatCur+.

  • Page 107: Changing The Automatic Frequency Synchronization In Off-Grid Systems

    SMA Solar Technology AG 7 Commissioning 8. Connect the BatCur+ insulated measuring conductor on the side for connecting the battery fuse. 9. Connect the BatCur– insulated measuring conductor on the side for connecting the battery. 10. Close the battery fuse load-break switch quickly and switch on the inverter.

  • Page 108: Setting The Functions Of The Multifunction Relays

    7.10.2 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 109: Complete Commissioning

    Tip: The state of charge of the battery is displayed on the Sunny Remote Control in standard mode. 7. In order to receive service assignments for the Sunny Island system, all system data must be recorded in the information sheet for Sunny Island systems and made available to Service (for information sheet see www.SMA- Solar.com).

  • Page 110: Using The Inverter User Interface

    (as of version 25), Safari (as of version iOS 7) or Google Chrome (as of version 29). ☐ The personal SMA Grid Guard code of the Installer must be available for the changing of grid-relevant settings after completion of the first ten operating hours (see "Application for SMA Grid Guard Code" at www.SMA- Solar.com).

  • Page 111: Establishing A Direct Connection Via Ethernet

    10), Safari (as of version 7), Opera (as of version 17) or Google Chrome (as of version 30). ☐ The personal SMA Grid Guard code of the Installer must be available for the changing of grid-relevant settings after completion of the first ten operating hours (see certificate "Application for SMA Grid Guard Code" at www.SMA-Solar.com).

  • Page 112: Establishing A Connection Via Ethernet In The Local Network

    (as of version 25), Safari (as of version iOS 7) or Google Chrome (as of version 29). ☐ The personal SMA Grid Guard code of the Installer must be available for the changing of grid-relevant settings after completion of the first ten feed-in hours (see certificate "Application for SMA Grid Guard Code" at www.SMA-Solar.com).
  • Page 113 SMA Solar Technology AG 8 Using the Inverter User Interface Log in as installer or user for the first time Password for PV systems that are registered in a communication product The password for the user group Installer is also the system password. If you assign a password for the user group Installer via the user interface of the inverter, the password must match the PV system password.

  • Page 114: Start Page Design Of The User Interface

    8 Using the Inverter User Interface SMA Solar Technology AG Start Page Design of the User Interface Figure 24: Start page design of the user interface (example) SI44M-80H-12-BE-en-10 Operating Manual...
  • Page 115 • SMA Grid Guard login • Logout Help Provides the following functions: • Displaying information on Open Source licenses used • Link to the website of SMA Solar Technology AG Status bar Displays the following information: • Inverter serial number • Inverter firmware version •...

  • Page 116: Changing The Password

    8 Using the Inverter User Interface SMA Solar Technology AG Position Designation Description State of charge Chronological sequence of the state of charge (SOC) of the battery Status display The various areas display information on the current status of the system.

  • Page 117: Forgotten Password

    Installer. The password for the user group Installer is the same as the system password in Sunny Portal. Procedure: 1. Request PUK (application form available at www.SMA-Solar.com). 2. Activate the user interface (see Section 8.1, page 110). 3. Enter the PUK instead of the password into the field Password.

  • Page 118: Configuration Of The Inverter

    You can make settings in this field. Requirement: ☐ Without the SMA Grid Guard code settings for the utility grid are only possible within the first ten operating hours (see "Measured Values and Parameters" at www.SMA-Solar.com) After completion of the first ten operating hours, the SMA Grid Guard code must be available (see "Application for SMA Grid Guard Code"...

  • Page 119: Changing Operating Parameters

    3. Call up the menu Device Parameters. 4. Select [Edit parameters]. 5. Log in using the SMA Grid Guard code to change those parameters designated by a lock (only for installers): • Select the menu User Settings (see Section 8.3, page 114).

  • Page 120: Activate Wps Function

    9 Configuration of the Inverter SMA Solar Technology AG 1. Activate the user interface of the inverter (see Section 8.1, page 110). 2. Log in as Installer (see Section 8.2, page 112). 3. Select Device > Operation > Time control. 4. Set time-controlled inverter operation: •...

  • Page 121: Configuring The Energy Meter

    IP protocol can be changed. For information on commissioning and configuration of the Modbus interface, see the technical information "SMA Modbus® Interface" at www.SMA- Solar.com. For information on which Modbus registers are supported, see the technical information "SMA Modbus® Interface" at www.SMA-Solar.com. Operating Manual...

  • Page 122: Supplementary Information

    9 Configuration of the Inverter SMA Solar Technology AG Data security during activated Modbus interface If you activate the Modbus interface, there is a risk that unauthorized users may access and manipulate the data or devices in your PV system. • Take appropriate protective measures, such as: –...

  • Page 123: Setting Time-Dependent Functions

    SMA Solar Technology AG 9 Configuration of the Inverter 9.8.2 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 124: Starting And Stopping The System

    10 Starting and Stopping the System SMA Solar Technology AG 10 Starting and Stopping the System 10.1 Switching on the Sunny Island Requirements: ☐ All Sunny Island inverters must be closed (see Section 14.11, page 142). ☐ The fuse switch-disconnector of the battery fuse must be closed (see Section 6.9, page 73).

  • Page 125: Stopping The System

    SMA Solar Technology AG 10 Starting and Stopping the System 10.3 Stopping the System If you stop the system, the Sunny Island switches from operation into standby mode. In standby mode, the Sunny Island discharges the battery due to its standby consumption. Tip: For longer shut-down periods, switch off the Sunny Island (see Section 10.4, page 125).

  • Page 126: Tripping The Emergency Disconnection Of The System

    10 Starting and Stopping the System SMA Solar Technology AG 10.5 Tripping the Emergency Disconnection of the System Effects of an emergency disconnection Emergency disconnection triggers the uncontrolled shutdown of the system and unsaved data is lost. • Only trip the emergency disconnection to avoid danger or consequential damage.

  • Page 127: Data Storage And Firmware Update

    Sunny Island system can be traced. From this, for example, parameter settings can be derived that will e.g. increase the self-consumption of PV energy or the service life of the battery. For SMA Service, this data simplifies the analysis of any errors present and the identification of possible solutions.

  • Page 128: Saving The Configuration In A File

    ☐ To update the inverter firmware, the update file with the desired inverter firmware must be available. The update file is, for example, available for download on the product page of the inverter at www.SMA-Solar.com. To download the update file, it is necessary to enter the serial number of the inverter.
  • Page 129 SMA Solar Technology AG 11 Data Storage and Firmware Update 5. In the context menu, select [Adopting the configuration from a file]. 6. Follow the instructions in the dialog. Operating Manual SI44M-80H-12-BE-en-10...

  • Page 130: Manually Controlling The Generator

    12 Manually Controlling the Generator SMA Solar Technology AG 12 Manually Controlling the Generator 12.1 Starting the Generator via the User Interface The basic procedure for changing operating parameters is explained in another section (see Section 9.2 "Changing Operating Parameters", page 119). Requirement: ☐...

  • Page 131: Stopping The Generator Without Autostart Function

    SMA Solar Technology AG 12 Manually Controlling the Generator 12.4 Stopping the Generator without Autostart Function 1. Stop the generator via the user interface (see Section 12.2, page 130). When you do this, the Sunny Island disconnects the stand-alone grid from the generator.

  • Page 132: Disconnecting The Sunny Island From Voltage Sources

    13 Disconnecting the Sunny Island from Voltage Sources SMA Solar Technology AG 13 Disconnecting the Sunny Island from Voltage Sources 1. Stop the system (see Section 10.3, page 125). 2. Switch off the Sunny Island (see Section 10.4, page 125). 3. Disconnect the circuit breakers and the load-break switches in the sub-distributions and secure against reconnection.

  • Page 133: Cleaning And Maintenance

    SMA Solar Technology AG 14 Cleaning and Maintenance 14 Cleaning and Maintenance 14.1 Cleaning and Checking the Sunny Island Inverter Enclosure Damage to the inverter due to the use of cleaning agents • If the inverter is dirty, clean the enclosure, the enclosure lid, the type label and the LEDs using only clean water and a cloth.

  • Page 134: Cleaning The Fans

    14 Cleaning and Maintenance SMA Solar Technology AG 14.4 Cleaning the Fans If the user interface displays the warning Derating due to temp. unusually often, it is likely that one of the fans is defective or blocked. Procedure: • Clean the ventilation grids.
  • Page 135 SMA Solar Technology AG 14 Cleaning and Maintenance • Use a screwdriver to push the two locking tabs at the right-hand edge of the fan guard to the right-hand side and remove them from the retainer. • Carefully remove the fan guard.

  • Page 136: Performing A Manual Equalization Charge In The Off-Grid System

    14 Cleaning and Maintenance SMA Solar Technology AG Damage to the fan due to compressed air • Clean the fan with a soft brush, a paint brush, or a damp cloth. 6. Insert the plug of the fan in the pin connector until it snaps into place.

  • Page 137: Charging The Battery After Automatic Shutdown In Off-Grid Systems (Emergency Charge Mode)

    SMA Solar Technology AG 14 Cleaning and Maintenance Procedure: 1. Check whether the current state of the battery corresponds to the expected state: • In the parameter group Battery > Battery > Diagnosis, select the parameter Number of battery charge throughputs and compare the value with the expected nominal energy throughput.
  • Page 138 14 Cleaning and Maintenance SMA Solar Technology AG Restricted management functions in emergency charge mode In emergency charge mode, the generator management is not active. The limits for voltage, current and frequency are not monitored. Set the maximum current consumption of the Sunny Island inverter for charging the battery in emergency charge mode.

  • Page 139: Changing Slave Addresses In A Cluster

    SMA Solar Technology AG 14 Cleaning and Maintenance Disconnecting the generator from connection AC1 1. Switch the Sunny Island off (see Section 10.4 "Switching Off the Sunny Island", page 125). 2. Ensure that the generator is stopped permanently. Danger to life from electric shock due to high voltages High voltages are present on the AC power cables and on the control cables.

  • Page 140: Replacing The Battery

    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 “List of Approved Batteries”).

  • Page 141: Replacing The Micro Sd Card

    SMA Solar Technology AG 14 Cleaning and Maintenance Check and log the status of the battery before performing maintenance work. Transition resistances can impair the performance of the batteries. • Ensure that the torques at the battery connections are correct each time that maintenance is performed.

  • Page 142: Opening The Inverter

    14 Cleaning and Maintenance SMA Solar Technology AG Damage to the inverter due to electrostatic discharge Touching electronic components can cause damage to or destroy the inverter through electrostatic discharge. • Ground yourself before touching any component. Requirements on the micro SD card: ☐...

  • Page 143: Recommissioning The Inverter

    SMA Solar Technology AG 14 Cleaning and Maintenance Damage to seals on the enclosure lids in subfreezing conditions If you open the enclosure lid when temperatures are below freezing, the enclosure lid seal could be damaged. This can lead to moisture entering the inverter.
  • Page 144 14 Cleaning and Maintenance SMA Solar Technology AG ☐ All Sunny Island inverters must be connected correctly (see Section 6.7, page 68). ☐ All Sunny Island inverters must be closed (see Section 6.8, page 72). ☐ All Sunny Island inverters must be switched off. ☐ The fuse switch-disconnector of the battery fuse must be closed (see Section 6.9, page 73).

  • Page 145: Troubleshooting

    SMA Solar Technology AG 15 Troubleshooting 15 Troubleshooting 15.1 Sunny Island Inverter Behavior Under Fault Conditions Event messages Warnings and errors are displayed in the menu Events in the user interface until the causes of these warnings and errors are no longer detected by the Sunny Island. Exception: Some errors must be acknowledged via the user interface.
  • Page 146 15 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures Ext grid disconnect due to undesired island grid Unintended stand-alone grid is present at connection AC2 of the Sunny Island at line conduc- tor L1 / L2 / L3.
  • Page 147 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 1304 Grid connection installation fault Assignment of the line conductors of the external energy source to the AC2 connections of the Sunny Island does not result in a right-rotating magnetic field.
  • Page 148 15 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 1407 Grid fault Disconnection from the utility grid due to non-compliance with the voltage-frequency ratio at line conductor Lxx Corrective measures: • Contact the Service (see Section 19, page 189). 1408 Grid fault AC sources in the system are driving the generator.
  • Page 149 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 1412 Grid fault The pre-fuse F104.1, F104.2 or F104.3 in the Multicluster-Box is open. A Sunny Island in the main cluster (master / slave 1 / slave 2) detects a supply voltage at ExtVtg and tries to switch to L1 / L2 / L3 in the multicluster system.
  • Page 150 15 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 1606 Generator requested 1607 Generator started in current-controlled op 1608 Generator stopped in current-controlled op 1609 Network request due to low battery state of charge 1610 Release of network disconnect due to sufficient battery state of charge...
  • Page 151 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 1704 Generator operation not possible Generator operation not possible Corrective measures: • Reset the off-grid system. For this, disconnect all loads, AC sources, generator and DC sources. Open the battery fuse load-break switch. Wait ten minutes and restart the off- grid system.
  • Page 152 15 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 1709 Stand-alone grid An underfrequency has occurred at connection AC1 of the Sunny Island. Corrective measures: • Ensure that the Sunny Island is functional. For this, disconnect all AC sources and loads from the Sunny Island and restart the Sunny Island.
  • Page 153 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 1713 System failure One line conductor of a Sunny Island is missing. Corrective measures: • Ensure that all circuit breakers of the Sunny Island inverters in the Multicluster-Box are closed.
  • Page 154 • Connect the loads with very high power directly to the generator whenever possible or connect the utility grid. Ensure that the generator is not overloaded. • In off-grid systems, ensure that the country data sets of the SMA inverters are set to stand-alone mode.
  • Page 155 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 6613 Overload The power of the loads is too high for a Sunny Island. Corrective measures: • Ensure that the inverter is functional. Clean the fans and restart the inverter (see Section 10.2, page 124).
  • Page 156 Corrective measures: • Make sure thresholds of the parameters are complied with. • Change the parameter again. • For grid-relevant parameter: Ensure that the SMA Grid Guard code is available. 7106 Update file defect. The update file is defective. The update failed.
  • Page 157 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 27109 No new update SDcard The micro SD card contains an update file that has already been used. 7110 No update file found 7112 Update file successfully copied Update file was copied successfully to the inverter's internal memory.
  • Page 158 15 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 7333 Update transport failed Update file could not be copied to the inverter's internal memory. In the event of connection with the inverter via WLAN, a poor connection quality can be the cause.
  • Page 159 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 7350 Transfer of a configuration file has started The configuration file is being transferred. 7351 Update WLAN The inverter is updating the WLAN module. 7352 Update of WLAN not successful The update of the WLAN module failed.
  • Page 160 15 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 7602 Communication disturbed Device-internal CAN communication is missing in the device at L1 / L2 / L3. Corrective measures: • Ensure that the terminators in the communication bus are attached.
  • Page 161 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 7617 Communication with MC-BOX interrupted Communication with Multicluster Box is interrupted. Corrective measures: • Ensure that undamaged CAT5e cables are used for communication and that the cables are plugged in correctly.
  • Page 162 15 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 7718 Interference device Transfer relay does not open at line conductor L1 / L2 / L3. A bypass switch may have bridged the internal transfer relay. • Ensure that the bypass switch is in the position for operation with Sunny Island.
  • Page 163 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 8612 No message from cluster master (only slave) Communication to the master is interrupted. Corrective measures: • Ensure that undamaged CAT5e cables are used for communication and that the cables are plugged in correctly.
  • Page 164 Grid parameter locked Changes to the grid parameters are now blocked. In order to be able to make changes to the grid parameters, from now on you must log in using the SMA Grid Guard code. 29004 Grid parameters unchanged...
  • Page 165 Observe the technical data for the battery at the DC connection. • Ensure that the DC sources are correctly connected and configured. • For off-grid systems: ensure that all SMA inverters are configured to the country data set for stand-alone mode.
  • Page 166 15 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 9332 Battery fault External battery management has been detected but not configured. Corrective measures: • Start the installation assistant and configure a new system with external energy management (e.g., system with lithium-ion battery).
  • Page 167 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 10060 Operation at generator (at external input) 10061 Feeding network op (at external input) 10100 Parameter [xx] set successfully. [xx] to [xx] The displayed parameter was successfully changed.
  • Page 168 • Ensure that with an Ethernet connection, the network cable and the network connector are not damaged and that the network connectors are correctly plugged. • If necessary, increase the data query intervals. • If necessary, reduce the number of devices in the network. 12 Troubleshooting SMA Solar Technology AG 78 10251 Communication status goes to [OK / Warning / Error / Not connected] The communication status to the network switch or DHCP server (router) has changed.
  • Page 169 SMA Solar Technology AG 15 Troubleshooting Event number Message, cause and corrective measures 10254 Duplex mode goes to [Full / Half] The duplex mode (data transfer mode) has changed. The cause for the status [Half] can be a defective plug, a defective cable or the pulling or plugging of the network connector.
  • Page 170 The Webconnect function has been switched off. This means that the inverter can not commu- nicate with Sunny Portal without an additional SMA communications product (e.g. Sunny Home Manager). • If the inverter is to communicate with Sunny Portal without an additional SMA communication product, switch the Webconnect function on. 10341 Webconnect error: no connection It is likely that there is an error in the network settings.
  • Page 171 • Ensure that the following ports are not blocked: – Registrar: ied.sma.de:9523 – Proxy: ied.sma.de:9523 – Stun: stun.sma.de:3478 – Domain: ied.sma.de (for SIP URI) 10345 No reply to DNS request It is likely that there is an error in the network settings.
  • Page 172 – Registrar: ied.sma.de:9523 – Proxy: ied.sma.de:9523 – Stun: stun.sma.de:3478 – Domain: ied.sma.de (for SIP URI) 10349 Webconnect error: No reply to SIP option packs It is likely that there is an error in the network settings or a Sunny Portal maintenance mes- sage is present.
  • Page 173 – Registrar: ied.sma.de:9523 – Proxy: ied.sma.de:9523 – Stun: stun.sma.de:3478 – Domain: ied.sma.de (for SIP URI) 10353 Webconnect error: registration of the SIP registry has not responded It is likely that there is an error in the network settings or a Sunny Portal maintenance mes- sage is present.

  • Page 174: Acknowledge Errors

    15 Troubleshooting SMA Solar Technology AG Event number Message, cause and corrective measures 10422 Only charging operation in internal consumption mode The battery is charged only when increased self-consumption is active. The battery is only charged again once there is sufficient PV power in the system.

  • Page 175: Frequently Asked Questions (Faqs)

    SMA Solar Technology AG 15 Troubleshooting Requirement: ☐ The cause of the error must be eliminated. Procedure: 1. Select Device > Operation. 2. Set Reset operating data to Reset operation inhibition. 3. Start the system (see Section 10.2, page 124). 15.4 Frequently Asked Questions (FAQs) 15.4.1 Questions Regarding the Sunny Island...

  • Page 176: Questions Regarding The Generator

    • Check whether the voltage and frequency of the generator are within the thresholds set (see technical information "Parameters and Measured Values" at http://www.SMA-Solar.com). – If the voltage and frequency of the generator are not within the thresholds set, ensure that the fuse is not defective or that the circuit breaker is switched on.

  • Page 177: Questions Regarding Multicluster Systems

    SMA Solar Technology AG 15 Troubleshooting • Select Generator > Generator and set the parameter Frequency monit. generator lower minimum threshold to the minimum frequency of the generator voltage. It may be that the permissible time for reverse power was exceeded (see Generator > Generator > Power monitoring >...

  • Page 178: Decommissioning The Sunny Island

    16 Decommissioning the Sunny Island SMA Solar Technology AG 16 Decommissioning the Sunny Island Danger to life from electric shock due to high voltages High voltages are present inside the inverter. When the enclosure lid is removed, live components can be touched that can result in death or serious injury due to electric shock.
  • Page 179 SMA Solar Technology AG 16 Decommissioning the Sunny Island Risk of injury due to the heavy weight of the Sunny Island inverter The Sunny Island inverter 4.4M weighs 44 kg, the Sunny Island inverter 6.0H / 8.0H weighs 63 kg. There is risk of injury if the inverter is lifted incorrectly or dropped while being transported or when attaching it to or removing it from the wall mounting bracket.

  • Page 180: Technical Data

    17 Technical Data SMA Solar Technology AG 17 Technical Data 17.1 AC1 Connection for Stand-Alone Grid Sunny Island Sunny Island Sunny Island 4.4M 6.0H 8.0H Rated power 3300 W 4600 W 6000 W Power for 30 minutes at 25°C 4400 W 6000 W 8000 W Power for 5 minutes at 25°C 4600 W 6800 W...

  • Page 181: Ac2 Connection For Utility Grid And Generator (External Energy Source)

    40 Hz to 70 Hz 40 Hz to 70 Hz Maximum current in off-grid systems 50 A 50 A 50 A Maximum current in SMA Flexible Storage System 13.3 A 20.0 A 20.0 A without battery backup function with one Sunny Is- land in Germany Maximum power in systems for increased self-con- 3300 W...

  • Page 182: Efficiency

    17 Technical Data SMA Solar Technology AG Sunny Island Sunny Island Sunny Island 4.4M 6.0H 8.0H Battery capacity range of lead-acid batteries 100 Ah to 100 Ah to 100 Ah to 10000 Ah 10000 Ah 10000 Ah Battery capacity range of lithium-ion batteries 50 Ah to 50 Ah to 50 Ah to 10000 Ah...

  • Page 183: Sunny Island 4.4M Efficiency Profile

    SMA Solar Technology AG 17 Technical Data 17.5 Sunny Island 4.4M Efficiency Profile Figure 27: Characteristic efficiency curve Operating Manual SI44M-80H-12-BE-en-10...

  • Page 184: Sunny Island 6.0H Efficiency Profile

    17 Technical Data SMA Solar Technology AG 17.6 Sunny Island 6.0H Efficiency Profile SI 6.0H V = 42 V DC V = 48 V DC V = 54 V DC Output power / Rated power Figure 28: Characteristic efficiency curve SI44M-80H-12-BE-en-10 Operating Manual...

  • Page 185: Sunny Island 8.0H Efficiency Profile

    SMA Solar Technology AG 17 Technical Data 17.7 Sunny Island 8.0H Efficiency Profile SI 8.0H V = 42 V DC V = 48 V DC V = 54 V DC Output power / Rated power Figure 29: Characteristic efficiency curve 17.8 Energy Consumption in No-Load Operation and Standby Sunny Island...

  • Page 186: Equipment

    17 Technical Data SMA Solar Technology AG AC overload DC reverse polarity protection not available Battery deep discharge Overtemperature Overvoltage category in accordance with IEC 60664-1 17.12 Equipment Number of buttons Number of LEDs 3 two-color LEDs Number of interface slots COM SYNC for internal communication only SI-SYSCAN.BGx...

  • Page 187: Dc Load Limitation Curve Of The Multifunction Relays

    SMA Solar Technology AG 17 Technical Data 17.14 DC Load Limitation Curve of the Multifunction Relays Figure 30: DC load limitation curve of multifunction relays 1 and 2 17.15 General Data Sunny Island 4.4M Sunny Island 6.0H / 8.0H Width x height x depth 467 mm x 612 mm x...

  • Page 188: Spare Parts And Accessories

    SMA Solar Technology AG 18 Spare Parts and Accessories You will find the corresponding accessories and spare parts for your product in the following overview. If required, these can be ordered from SMA Solar Technology AG or your distributor. Designation Brief description SMA order number SI-SYSCAN.BGx...

  • Page 189: Contact

    SMA Solar Technology AG 19 Contact 19 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 • Sunny Island inverter serial number •...
  • Page 190 Toll free for Australia: 1800 SMA AUS SMA Online Service Center: (1800 762 287) www.SMA-Service.com International: +61 2 9491 4200 United Arab SMA Middle East LLC India SMA Solar India Pvt. Ltd. Emirates Abu Dhabi Mumbai +971 2234 6177 +91 22 61713888 SMA Online Service Center: www.SMA-Service.com SMA Solar (Thailand) Co., Ltd.

  • Page 191: Eu Declaration Of Conformity

    • Radio Equipment Directive 2014/53/EU (22.5.2014 L 153/62) (RED) SMA Solar Technology AG confirms herewith that the products described in this document are in compliance with the fundamental requirements and other relevant provisions of the above-mentioned directives. The entire EU Declaration of Conformity can be found at www.SMA-Solar.com.
  • Page 192 www.SMA-Solar.com...

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