SMA Solar Technology AG
Solar Inverters
FLX Series
Installation Guide / Installationsanleitung / Guide d’installation / Guía de instalacion / Guida all’installazione
www.SMA.de
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L00410568-03_2q / Rev. date: 2014-06-20 |
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Safety and Conformity
Safety and Conformity
Safety Message Types
The following symbols are used in this document:
DANGER
Indicates a potentially hazardous situation which could result in death.
WARNING
Indicates a potentially hazardous situation which could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which could result in minor or moderate injury. It may also be used to alert against unsafe practices.
NOTICE
Indicates important information, including situations which may result in damage to equipment or property.
General Safety
All persons installing and servicing inverters must be:
•Trained and experienced in general safety rules for work on electrical equipment.
•Familiar with local requirements, rules and regulations for the installation.
NOTICE
Before installation
Check for damage to equipment and packaging. If in doubt, contact the supplier before commencing installation.
CAUTION
Installation
For optimum safety, follow the steps described in this document. Keep in mind that the inverter has 2 voltage carrying sides; the PV input and the AC grid.
WARNING
Disconnecting the inverter
Before starting work on the inverter, switch off AC at the mains switch and PV using the PV load switch. Ensure that the device cannot be unintentionally reconnected. Use a voltage tester to ensure that the unit is disconnected and voltage free. The inverter can still be charged with very high voltage at hazardous levels even when it is disconnected from AC grid and solar modules. Wait at least 8 minutes following disconnection from grid and PV panels before proceeding.
For safe disconnection of DC current, turn off the PV load switch (1).
L00410568-03_2q / Rev. date: 2014-06-20
Safety and Conformity
CAUTION
Maintenance and modification
Only authorised personnel are permitted to modify the inverter. To ensure personal safety, use only original spare parts available from the supplier. If non-original spare parts are used, compliance with CE guidelines in respect of electrical safety, EMC and machine safety is not guaranteed.
The temperature of the cooling racks and components inside the inverter can exceed 70 ºC. Observe the danger of burn injury.
DC voltages up to 1000 V are present in a PV system even when the inverter is disconnected from the AC grid. Faults or inappropriate use may lead to electric arcing.
WARNING
PV modules generate voltage when exposed to light.
WARNING
Do not work on the inverter while disconnecting DC and AC.
The short-circuit current of the photovoltaic panels is only slightly higher than the maximum operating current and depends on the level of solar irradiation.
Conformity
Go to the download area at www.SMA.de, Approvals and Certifications, for information.
See also 5 Technical Data.
CE marking - This symbol certifies the conformity of
the equipment with the requirements of the
applicable EC directives
L00410568-03_2q / Rev. date: 2014-06-20
Contents
Contents
1 Introduction |
6 |
1.1 Purpose of the Manual |
6 |
1.2 Software Version |
6 |
1.3 Spare Parts |
7 |
1.4 Unpacking |
7 |
1.5 Identification of Inverter |
7 |
1.6 Installation Sequence |
7 |
1.7 Return and Disposal |
7 |
1.7.1 Return |
8 |
1.7.2 Disposal |
8 |
1.8 Overview of Installation Area |
9 |
2 Installation |
10 |
2.1 Environment and Clearances |
10 |
2.2 Mounting the Mounting Plate |
11 |
2.3 Mounting the Inverter |
12 |
2.4 Removing the Inverter |
13 |
2.5 Access to the Installation Area |
13 |
2.6 AC Grid Connection |
14 |
2.7 RS-485 or Ethernet Connections |
15 |
2.8 Options |
15 |
2.9 Closure |
15 |
2.10 PV Connection |
16 |
2.10.1 Protection Rating for PV Modules |
17 |
3 Initial Setup and Start |
18 |
3.1 User Interface |
18 |
3.1.1 Operation Modes |
18 |
3.1.2 Security Level |
18 |
3.1.3 Preparation for Master Inverter |
19 |
3.1.4 Manual PV Configuration |
19 |
3.2 Display |
19 |
3.2.1 Initial Setup via Display |
20 |
3.2.2 Turn PV Load Switch On |
23 |
3.2.3 Start-up |
23 |
3.2.4 Autotest Procedure |
23 |
3.3 Web Interface |
23 |
3.3.1 Prepare for Setup |
23 |
3.3.3 Setup Wizard |
24 |
3.3.4 Web Interface |
30 |
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L00410568-03_2q / Rev. date: 2014-06-20 |
Contents
3.3.5 Plant, Group and Inverter Views |
31 |
3.3.6 Autotest Procedure |
32 |
4 Service |
33 |
4.1 Troubleshooting |
33 |
4.2 Maintenance |
36 |
5 Technical Data |
37 |
5.1 Specifications |
37 |
5.1.1 Inverter Specifications |
37 |
5.2 Derating Limits |
41 |
5.3 Conformity |
41 |
5.4 Installation Conditions |
42 |
5.5 Cable Specifications |
43 |
5.6 Torque Specifications |
45 |
5.7 Mains Circuit Specifications |
46 |
5.8 Auxiliary Interface Specifications |
46 |
5.9 RS-485 and Ethernet Connections |
47 |
L00410568-03_2q / Rev. date: 2014-06-20 |
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Introduction
1 Introduction
1 1
1.1 Purpose of the Manual
The Installation Guide provides information required to install and commission the FLX series inverter.
Additional resources available:
•User Guide, for information required in monitoring and setup of the inverter, via the display or web interface.
•
•
•
Design Guide, for information required for planning use of the inverter in a diversity of solar energy applications.
Sensor Interface Option Installation Guide, for installation and commissioning of the sensor interface option.
GSM Option Kit Installation Guide, for information required to install a GSM option, and set up data upload or messaging from the inverter.
• |
PLA Option Guide, for information required to |
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install and set up PLA option for connecting radio |
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ripple control receiver to the inverter. |
• |
Fan Installation Instruction, for information |
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required to replace a fan. |
Illustration 1.1 FLX Series Inverter
These documents are available from the download area at www.SMA.de, or from the supplier of the solar inverter.
The FLX series inverters feature:
•
•
•
•
•
•
IP65 enclosure
PV load switch
Sunclix connectors for PV input
Manual access via the display, for configuration and monitoring of the inverter.
Ancillary service functionalities. Refer to the FLX Series Design Guide for details.
Access via web interface, for configuration and monitoring of the inverter.
1.2 Software Version
This manual is applicable for inverter software 2.05 and onwards. To see the software version, via the display or web interface (inverter level), go to [Status → Inverter → Serial no. and SW ver. → Inverter].
NOTICE
Software version at manual release is 2.05. Information about current software version is available at www.SMA.de.
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Introduction
1.3 Spare Parts
Contact SMA Solar Technology AG for information about spare parts, part numbers, and ordering.
1.4 Unpacking
Contents:
•Inverter
•Mounting plate
•Accessories bag, containing: 3 mounting screws, 2 cable glands, 2 rubber cups, 1 earthing screw, and 1 security label for France.
•4 to 6 Sunclix mating parts depending on the number of MPPT for FLX Pro 5-17.
•Installation guide, booklet format
•Quick guide, poster format
The following items are not supplied:
•Security screws, M5 x 8-12, optional (not available as product from SMA Solar Technology AG)
1.5Identification of Inverter
Illustration 1.2 Product Label
The product label on the side of the inverter shows:
•Inverter type
•Important specifications
•Serial number, located under the bar code, for inverter identification.
1.6 |
Installation Sequence |
|
1. |
Pay special attention to 1.1 Safety Message Types. |
1 1 |
2. |
Install the inverter according to 2.1 Environment |
and Clearances, 2.2 Mounting the Mounting Plate
and 2.3 Mounting the Inverter.
3.Open the inverter according to 2.5 Access to the Installation Area.
4.Install AC according to 2.6 AC Grid Connection.
5.Install RS-485 or Ethernet, if used, according to
2.7 RS-485 or Ethernet Connections.
6.Install options, if any, according to the installation guide supplied with the option.
7.Close the inverter according to 2.5 Access to the Installation Area.
8.Install PV according to 2.10 PV Connection.
9.Turn on AC at the mains switch.
10.Set language, master mode, time, date, installed PV power, country, and grid code:
•For setup via the web interface, refer to
3.3Web Interface.
•For setup via the display, refer to
3.2Display.
11.Turn on PV by turning on the PV load switch. Refer to 2.10.1 Connection of PV.
12.Verify the installation by comparing with the autodetection result in the display, as described in 2.10 PV Connection.
13.The inverter is now in operation.
For installation and setup of multiple FLX Pro inverters in master-follower configuration:
•Perform steps 2–9 and 11 for each inverter.
•Perform step 10 on the inverter planned as master.
•Perform step 12.
1.7Return and Disposal
When replacing an inverter, it can either be returned to your distributor, to SMA Solar Technology AG directly, or disposed of according to local and national regulations.
SMA Solar Technology AG is committed to its policy of environmental responsibility, and therefore appeals to end users who are disposing of inverters to follow local environmental legislation and to seek safe, responsible means of disposal.
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Introduction
1.7.1 Return
For return to SMA Solar Technology AG, the inverter
1 1 should always be in its original packaging or equivalent packaging. If the product is returned as a result of inverter failure, contact your SMA Solar Technology AG inverter supplier.
For return shipment and details, contact SMA Solar Technology AG hotline.
1.7.2 Disposal
In case of end of service life, the inverter can be returned to your distributor, to SMA Solar Technology AG directly, or disposed of in the respective country. The shipping to the distributor or SMA Solar Technology AG is paid by the sender. Recycling and disposal of the inverter must be done according to the rules and regulations applicable in the country of disposal. All the inverter packaging material is recyclable.
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Introduction
1.8 Overview of Installation Area
1 1
PELV (Safe to touch)
1RS-485 interface
2 Option slot A (can be used for GSM option, optional sensor interface, or PLA option)
3Ethernet interface
4Option slot A (can be used for GSM option, optional sensor interface, or PLA option)
Live Part
5PV connection area
6 Communication board
7AC terminal
Other
8 Security screw position
9PV load switch
10 Security screw position
Illustration 1.3 Overview of Installation Area
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Installation
2 Installation
2.1 Environment and Clearances
2 2
Illustration 2.6 Mount Upright on Vertical Surface. Tilt of up to 10 degrees is permitted
Illustration 2.1 Avoid Constant Stream of Water
Illustration 2.7 Prevent Dust and Ammonia Gases
Illustration 2.2 Avoid Direct Sunlight
NOTICE
When planning the installation site, ensure that inverter product and warning labels remain visible. For details, refer to 5 Technical Data.
Illustration 2.3 Ensure Adequate Air Flow
Illustration 2.4 Ensure Adequate Air Flow
Illustration 2.5 Mount on Non-flammable Surface
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Installation
2.2 Mounting the Mounting Plate
2 |
2 |
Illustration 2.8 Safe Clearances
NOTICE
Ensure 620 mm base clearance for adequate airflow.
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Installation
2 2
Illustration 2.10 Mounting the Mounting Plate
Illustration 2.9 Mounting Plate
NOTICE
Use of the mounting plate delivered with the inverter is mandatory.
Mount the mounting plate:
•Mount in the defined environment.
•Use screws and rawl plugs that can safely carry the weight of the inverter.
•Ensure that the mounting plate is correctly aligned.
•Observe safe clearances when installing one or more inverters, to ensure adequate airflow. Clearances are specified in Illustration 2.8 and the mounting plate label.
•Mounting multiple inverters in a single row is recommended. Contact the supplier for guidelines, when mounting inverters in more than one row.
•Ensure adequate clearance at the front, for service access to the inverter.
.
2.3 Mounting the Inverter
CAUTION
For safe handling of the inverter, 2 people must carry the unit, or a suitable transport trolley must be used. Wear safety boots.
Procedure:
1.Lift the inverter. Locate the slots on the side of the mounting plate.
Illustration 2.11 Position the Inverter
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L00410568-03_2q / Rev. date: 2014-06-20 |
Installation
2.On the inverter, position the side screws against the mounting plate slots.
3.Push the inverter as shown so the side screws slide into the 2 lower slots, then the 2 upper slots. See Illustration 2.12 and Illustration 2.13.
1.Use 2 security screws, M5 x 8-12 (not supplied).
2.Insert screws through the pre-drilled anti-theft holes (see Illustration 1.3), through the mounting plate to the wall.
3.Tighten screws.
2.4 Removing the Inverter |
2 2 |
Procedure:
1.Perform removal in the reverse order of mounting.
2.Lift the inverter. 2 people must carry the unit.
3.With a firm grip at the base of the inverter, lift and slide the inverter out of the mounting plate slots.
4.Lift the inverter free of the mounting plate.
2.5Access to the Installation Area
CAUTION
Observe ESD safety regulations. Discharge any electrostatic charge by touching the grounded enclosure, before handling any electronic component.
Illustration 2.12 Slide into Slots
Illustration 2.13 Detail of Sliding into Slot
4.Check that the 4 side screws sit securely in the mounting plate slots.
5.Release the inverter.
Anti-theft Protection (Optional)
To protect the inverter against theft, fasten as follows:
Procedure:
1.To open the cover, loosen the 2 lower front screws using a TX 20 screwdriver. The screws cannot fall out.
2.Lift the cover 180 degrees. A magnet holds the cover open.
3.To close the cover, lower it into place and fasten the 2 front screws.
Illustration 2.14 Loosen Front Screws and Lift Cover
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Installation
2.6 AC Grid Connection
2 2
Illustration 2.15 Installation Area
Illustration 2.16 AC Cable Wire Strip
Illustration 2.17 AC Connection Area
L1, L2, L3 |
3 mains wires |
|
|
N |
Neutral wire |
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PE1 |
Primary protective earth |
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PE2 |
Secondary protective earth |
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|
1.Verify that the inverter rating matches the grid.
2.Ensure that main circuit breaker is released, and take precautions to prevent reconnection.
3.Open the front cover.
4.Insert the cable through the AC gland to the terminal blocks.
5.Connect the 3 mains wires (L1, L2, L3), the neutral wire (N) and the protective earth wire (PE) to the terminal block with the respective markings.
6.Optional: Make an extra PE connection at the secondary PE earthing points.
7.All wires must be properly fastened with the correct torque. See 5.6 Torque Specifications.
On the AC cable, strip insulation on all 5 wires. The PE wire must be longer than the mains and neutral wires. See
Illustration 2.16.
CAUTION
Check that all wiring is correct. Connecting a phase wire to the neutral terminal may permanently damage the inverter.
NOTICE
Tighten all screws and glands thoroughly.
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Installation
NOTICE
This product may generate DC current exceeding 6 mA, into the external grounded PE wire. Where a residual current-operated protective (RCD) or monitoring (RCM) device is used for protection in case of direct or indirect contact, only an RCD or RCM of Type B is allowed on the supply side of this product. When applying an RCD it must have a 300 mA sensitivity to avoid tripping. IT systems are not supported.
NOTICE
For fuse and RCD information, refer to 5 Technical Data.
2.7 RS-485 or Ethernet Connections
Before connecting RS-485 or Ethernet cables, refer to requirements in 5.9 RS-485 and Ethernet Connections.
Procedure:
1.Do not remove the RJ-45 connector.
2.Guide the cables through the base of the inverter via cable glands. See Illustration 2.18.
3.Plug into the RS-485 or Ethernet connector.
4.Fasten cables with cable ties to ensure a durable connection over time. See Illustration 2.19.
2 2
Illustration 2.19 Fasten with Cable Ties
NOTICE
Tighten all screws and glands thoroughly.
2.8 Options
To install options, refer to the respective option installation guide.
NOTICE
Tighten all screws and glands thoroughly.
2.9 Closure
1. Close the cover of the inverter installation area. Fasten the 2 front screws.
2. Turn on AC power.
Illustration 2.18 Guide Through Cable Glands
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Installation
2.10 PV Connection
WARNING
PV modules generate voltage when exposed to light. Do NOT connect PV to earth.
2 2
Illustration 2.20 Do Not Connect PV to Earth
Use a suitable voltmeter that can measure up to 1000 V DC.
1.Mount Sunclix connectors (not supplied) on the PV cables, according to Illustration 2.21.
2.Verify the polarity and maximum voltage of the PV arrays by measuring the PV open-circuit voltage. See Illustration 2.21.
•The PV open-circuit voltage must not exceed 1000 V DC. The inverter is protected against reversed polarity and will not generate power until the polarity is correct. Reversed polarity damages neither the inverter nor the connectors.
Illustration 2.21 Correct Polarity: Mounting Sunclix Connector
on Cable
1.Measure the DC voltage between the positive terminal of the PV array and earth (or the green/ yellow PE cable).
•The voltage measured should approximate zero. If the voltage is constant and not zero, there is an insulation failure somewhere in the PV array.
2.Locate and fix the failure before continuing.
3.Repeat this procedure for all arrays. Uneven distribution of input power on the PV inputs is permitted, if:
•The individual input is not overloaded. The maximum permissible load per input is 8000 W.
•The maximum short-circuit current of the PV modules at STC (Standard Test Conditions) does not exceed 13.5 A per input.
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Installation
CAUTION
PV installation
Unused PV inputs may not be short-circuited.
2.10.1 Protection Rating for PV Modules
The inverter must only be operated with PV modules of protection class II, compliant to IEC 61730, application class A.
Module voltage rating must be more than 480 V (typical
module voltage rating is 1000 V). This does not prevent 2 2 the use of strings with lower operating voltage.
Only connect PV modules to the inverter. Other energy sources are not allowed.
Illustration 2.22 DC Connection Area
1.On the inverter turn the PV load switch into off position.
2.Connect the PV cables using Sunclix connectors. Ensure correct polarity, see Illustration 2.21.
•
•
Attach Sunclix mating part to PV cable.
Connect to each PV input in the PV connection area with a 'click'.
Illustration 2.23 Connect to PV Input
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Initial Setup and Start
3 Initial Setup and Start
3.1 |
User Interface |
The user interface comprises: |
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• |
Local display. Enables manual setup of the |
3 3 • |
inverter. |
Web interface. Enables access to multiple |
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inverters via Ethernet.
Choose an interface to set up and start the inverter, either via
•Display
3.2 Display
3.2.1 Initial Setup via Display
or
•Web interface
3.3Web Interface
resistance between the PV arrays and earth. Meanwhile, it also monitors the grid parameters. When the grid parameters have been within the specifications for the required amount of time (depends on grid code), the inverter starts to energise the grid.
On grid (Green LED on)
The inverter is connected to the grid and energises the grid. The inverter disconnects when:
•it detects abnormal grid conditions (dependent on grid code), or
•an internal event occurs, or
•insufficient PV power is available (no power is supplied to the grid for 10 minutes).
The inverter then enters connecting mode or off grid mode.
3.3.4 Web Interface
Do not touch the other interface during the setup and start-up processes.
For access and menu information, refer to the FLX Series User Guide.
Fail Safe (Red LED flashing)
If the inverter detects an error in its circuits during the selftest (in connecting mode) or during operation, the inverter goes into fail safe mode, disconnecting from grid. The inverter will remain in fail safe mode until power has been absent for a minimum of 10 minutes, or the inverter has been shut down completely (AC+PV).
3.1.1 Operation Modes
The inverter has 4 operation modes, indicated by LEDs. For more information on the LEDs, refer to the FLX Series User Guide.
Off grid (LEDs off)
When no power has been delivered to the AC grid for more than 10 minutes, the inverter disconnects from the grid and shuts down. 'Off grid - standby' is the default night mode. 'Off grid - sleep' is the night mode for lowest energy consumption.
•Off grid - standby mode (LEDs off)
The inverter is disconnected from grid. User and communication interfaces remain powered for communication purposes.
•Off grid - sleep mode (LEDs off)
The inverter is disconnected from grid. User, communication, and option interfaces are powered down.
Connecting (Green LED flashing)
The inverter starts up when the PV input voltage reaches 250 V. The inverter performs a series of internal self-tests, including PV autodetection and measurement of the
3.1.2 Security Level
3 predefined security levels filter user access to menus and options.
Security levels:
•Level [0]: General access. No password is required.
•Level [1]: Installer or service technician. Password access required.
•Level [2]: Installer or service technician. Password extended access required.
Throughout the manual, a [0], [1] or [2] inserted after the menu item indicates the minimum security level required for access.
When logged on to the web interface as Admin, access is at security level [0].
Access to levels [1] and [2] requires a service logon, comprising a user ID and a password.
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Initial Setup and Start
•The service logon provides direct access to a specific security level for the duration of the current day.
•Obtain the service logon from SMA Solar Technology AG.
•Enter the logon via the display, or the web interface logon dialog.
•When the service task is complete, log off at [Setup → Security].
•The inverter automatically logs the user off after 10 minutes of inactivity.
Security levels are similar on the display and the web interface.
A security level grants access to all menu items at the same level as well as all menu items of a lower security level.
3.1.3 Preparation for Master Inverter
The master mode feature allows 1 inverter to be appointed as master inverter for the inverter network.
The master inverter accesses the other inverters in the network, enabling:
•Settings and data replication to the rest of the network, enabling easy commissioning and data management.
•Control of power at plant level (control of ancillary services).
•Data retrieval from the network, for graphical display on the web interface, upload to a data warehouse, or export to a PC.
Before enabling master mode, ensure that the following requirements are met:
•No other master inverters are present in the network.
•Ethernet connection from PC to inverter RJ-45 interface, using a patch cable (network cable cat5e, crossed or straight through). See 2.7 RS-485 or Ethernet Connections.
•Installed sensor interface option, with sensors installed, when sensor data are required.
•Location closest to the router, in a daisy chain network topology.
After enabling master mode, perform a network scan to verify that all follower inverters are connected to the master inverter. To initiate the scan, go to [Setup → Inverter details → Master mode → Network].
3.1.4 Manual PV Configuration
Set up the inverter for manual PV configuration:
•Via the display, security level 1, at [Setup → Setup details → PV configuration].
•Via the web interface, security level 0, at [Inverter level: Setup → Setup details → PV configuration].
When the inverter is set to manual PV configuration, the |
3 |
3 |
autodetection is subsequently overridden. |
|
|
To set the configuration manually via the display:
1.Turn on AC to start the inverter.
2.Obtain the installer password from the distributor. Go to [Setup → Security → Password], and enter
the password.
3.Press [Back]. Use the arrows to navigate to [Setup
→Setup details → PV configuration].
4.Select manual PV configuration mode, at: [Setup
→Setup details → PV configuration → Mode: Manual].
5.Set up the PV input configuration to match the wiring, at: [Setup → Setup details → PV configuration].
•PV input 1: Individual, Parallel or Off
•PV input 2: Individual, Parallel or Off
•PV input 3: Individual, Parallel or Off
3.2Display
NOTICE
The display activates up to 10 seconds after power up.
The integrated display on the inverter front gives the user access to information about the PV system and the inverter.
The display has 2 modes:
1.Normal: The display is in use.
2.Power saving: After 10 minutes of display inactivity the back light of the display turns off to save power. Reactivate the display by pressing any key.
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Initial Setup and Start
3 3
Illustration 3.1 Overview of Display Buttons and Functionality
Key |
Function |
LED |
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F1 |
View 1/View 2 - Screen |
When keys F1-F4 are |
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F2 |
Status Menu |
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selected, the LED above |
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F3 |
Production Log Menu |
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the key will light up |
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F4 |
Setup Menu |
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Home |
Return to View Screen |
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OK |
Enter/select |
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Arrow up |
A step up/increase value |
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Arrow |
A step down/decrease |
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Down |
value |
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Arrow Right |
Moves cursor right |
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Arrow Left |
Moves cursor left |
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Back |
Return/de-select |
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On - Green |
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On/flashing = On grid/ |
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LED |
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Connecting |
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Alarm - Red |
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Flashing = Fail safe |
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LED |
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The inverter is |
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configured as master. |
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This icon appears in the |
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top right corner. |
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The inverter is a |
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follower, connected to a |
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master. This icon |
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appears in the top right |
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corner. |
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Table 3.1 Overview of Display Buttons and Functionality
The menu structure is divided into 4 main sections:
1.View - presents a short list of information, read only.
2.Status - shows inverter parameter readings, read only.
3.Log - shows logged data.
4.Setup - shows configurable parameters, read/ write.
See the following sections for more detailed information.
3.2.1 Initial Setup via Display
The inverter is shipped with a predefined set of settings for different grids. All grid-specific limits are stored in the inverter and must be selected at installation. It is always possible to see the applied grid limits in the display. After installation, check all cables and then close the inverter.
Turn on AC at the mains switch.
IP address can be found in the display during commissioning.
When prompted by the display select language. This selection has no influence on the operating parameters of the inverter and is not a grid code selection.
Illustration 3.2 Select Language
NOTICE
The contrast level of the display can be altered by pressing the arrow up/down button while holding down the F1 button.
The language is set to English at initial start-up. To change this setting press the [OK] button. Press [▼] to scroll down through the languages. Select language by pressing [OK].
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NOTICE
To use the default language (English) simply press the [OK] button twice to select and accept.
Illustration 3.3 Master Mode
To enable master mode go to the Inverter details menu [Setup → Inverter details → Master mode] and set master mode to Enabled.
NOTICE
Set the time and date accurately. The inverter uses this information for logging. If an incorrect time/date is accidentally set, correct it immediately in the set date and time menu [Setup → Inverter details → Set date and time].
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Illustration 3.5 Set Date
Set date as prompted by the display. Press [OK] to select. Press [▲] to scroll up through the numbers. Select by pressing [OK].
Illustration 3.4 Set Time
Set time as prompted by the display. Press [OK] to select number. Press [▲] to scroll up through the numbers. Select by pressing [OK].
The clock is 24-hour format. The inverter accounts for daylight saving automatically.
Illustration 3.6 Installed PV Power
Enter the amount of installed PV power for each of the PV inputs. When a group of PV inputs are connected in
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parallel, enter average installed PV power for each PV input, as shown in the examples.
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PV String Configuration |
Enter this value for |
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“Installed PV power” |
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Example 1: PV1, PV2 and PV3 are each set |
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to individual mode. |
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Nominal PV power installed: |
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PV 1: 6000 W |
PV 1: 6000 W |
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PV 2: 6000 W |
PV 2: 6000 W |
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PV 3: 3000 W |
PV 3: 3000 W |
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Example 2: PV1 and PV2 are set to |
PV 1: 5000 W |
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parallel mode and have a total of 10 kW |
PV 2: 5000 W |
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PV power installed. PV3 is set to |
PV 3: 4000 W |
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individual mode and has nominal 4 kW |
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PV power. |
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Example 3: PV1 and PV2 are set to |
PV 1: 5500 W |
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parallel mode and have a total of 11 kW |
PV 2: 5500 W |
Illustration 3.8 Select Grid Code |
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PV power installed. PV3 is set to [Off] and |
PV 3: 0 W |
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has no PV installed. |
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Table 3.2 Examples of Installed PV Power
The display will now show ‘Select country’. The setting is ‘undefined’ at initial start-up. Press [▼] to scroll down through the list of settings. To select the desired setting, press [OK].
The display will now show ‘Select grid code’. The grid code is set to ‘undefined’ at initial start-up. To select the grid code, press [OK]. Press [▼] to scroll down through the list. Select the grid code for the installation by pressing [OK]. It is very important to choose the correct grid code.
Illustration 3.9 Confirm Grid Code Selection
Illustration 3.7 Select Country
To confirm, select the grid code again and press [OK]. The settings for the chosen grid code have now been activated.
WARNING
Correct selection of grid code is essential to comply with local and national standards.
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NOTICE
If the 2 grid code selections do not match, they will be cancelled and it will be necessary to repeat this step. If an incorrect grid code is accidentally accepted at the first selection, simply accept the “Grid: Undefined” in the confirm grid code screen. This cancels the grid code selection and enables a new selection.
NOTICE
Access on security level 2 is granted for 5 hours after setup completion. Logout must be performed before leaving the site. If an incorrect grid code is selected twice, it can be changed within the 5 hours. Access on a higher level is possible by locking the configuration and logging on again using a 24-hour password. Only authorised personnel is allowed to configure the inverter. Changes will be logged and SMA Solar Technology AG accepts no liability for damage caused by changing the inverter configuration.
3.3 Web Interface
These instructions describe the web interface, which facilitates remote access to the inverter.
Refer to the download area at www.SMA.de for the newest instructions.
For all text entries, the software supports characters |
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compatible with Unicode. |
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For inverter name, no spaces are permitted. |
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For plant, group and inverter name, only the following |
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characters are supported: |
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Letters |
abcdefghijklmnopqrstuvwxyz |
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Capital letters |
ABCDEFGHIJKLMNOPQRSTUVWXYZ |
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Numbers |
0123456789 |
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Special |
- _. |
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characters |
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3.2.2 Turn PV Load Switch On |
3.3.1 Prepare for Setup |
Illustration 3.10 Turn the PV Load Switch On
3.2.3 Start-up
The inverter starts automatically if sufficient solar irradiation is available. The start-up will take a few minutes. During this period, the inverter performs a self-test.
NOTICE
The inverter is protected against reversed polarity. The inverter does not generate power until any reversed polarity is corrected.
3.2.4 Autotest Procedure
For certain grid codes, an automatic test of the inverter can be initialised by activating the inverter autotest procedure:
•Via the display, go to [Setup → Autotest] and press [OK].
Ensure that the following items are ready before commencing setup:
•Master inverter is designated and prepared, see
3.1.3 Preparation for Master Inverter.
•Ethernet connection from PC to inverter is established, see also 2.7 RS-485 or Ethernet Connections.
3.3.2 Initial Setup via Web Interface
CAUTION
Change the Web Server logon and password of the master inverter immediately for optimal security when connecting to the Internet. To change the password go to [Setup → Web Server → Admin].
Setup Sequence
1.Ensure that the master inverter is designated and prepared, see 3.1.3 Preparation for Master Inverter.
2.On the PC, wait until Windows reports limited connectivity (if no DHCP is present). Open the Internet browser and ensure that pop-ups are enabled.
3.Type 1 of the following options in the address field:
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versions: http://invertername, where |
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'invertername' is the final 10 digits of |
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the serial number. |
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For Windows 7 and newer Windows |
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versions: http://IP address. The IP |
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address can be found in the display. |
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3.3.3 Setup Wizard |
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Step 1 of 8: Display language |
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Select display language. |
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NOTICE
This selection defines the language in the display, not the grid code.
Find the serial number marked on the product label on the side of the inverter enclosure. See Illustration 1.2.
1.The web interface logon dialog opens.
2.Type 'admin' in the user and password fields, and click ‘Log in’.
3.At initial logon the inverter runs a setup wizard.
Illustration 3.11 Step 1 of 8: Display Language
To change the language setting later, go to [Setup → Setup Details].
Step 2 of 8: Master setting
To set up a master inverter, click on ‘Set as master’.
•A scan runs to identify inverters in the network.
•A pop-up window shows the inverters successfully identified. Click [OK] to confirm that the correct number of inverters has been found.
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Illustration 3.12 Step 2 of 8: Master Setting
To change this setting later, go to [Inverter level: Setup → Inverter details].
Step 3 of 8: Time and date
Enter:
•Time in 24-hour format
•Date
•Time zone
Accuracy is important, because date and time are used for logging purposes. Adjustment for daylight savings is automatic.
Illustration 3.13 Step 3 of 8: Time and Date
To change these settings later, go to [Inverter level: Setup → Set date and time].
Step 4 of 8: Installed power
For each PV input, enter installed PV power.
The installed PV power values are used to calculate performance ratio. For more information refer to the FLX Series Design Guide.
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CAUTION
Incorrect setting can have serious consequences for production efficiency.
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Illustration 3.14 Step 4 of 8: Installed Power
To change the installed power, go to [Inverter level: Setup → Calibration, PV Array].
Step 5 of 8: Country of Installation
Select the setting to match the location of the installation.
CAUTION
Correct selection is essential to comply with local and national standards.
Illustration 3.15 Step 5 of 8: Country of Installation
Step 6 of 8: Grid code
Select the grid code to match the location of the installation.
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•The default setting is [undefined].
Select the grid code again, to confirm. |
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The setting is activated immediately. |
CAUTION
Correct selection is essential to comply with local and |
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national standards. |
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Illustration 3.16 Step 6 of 8: Grid Code
NOTICE
If the initial and confirmation settings are different,
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grid code selection is cancelled, and
the wizard recommences step 5.
If initial and confirmation settings match, but are incorrect, contact service.
Step 7 of 8: Replication
This step is available for a master inverter with followers connected. To replicate the settings from steps 1–6 to other inverters in the same network:
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Select inverters.
Click [Replicate].
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NOTICE
When the PV configuration, installed PV power and PV array area of follower inverters in the network differ from that of the master, do not replicate. Set up the follower inverters individually.
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Illustration 3.17 Step 7 of 8: Replication
Step 8 of 8: Inverter start-up
The wizard displays an overview of the setup configuration.
Click on [Finish] to start up the inverter. Start-up will commence when solar irradiation is sufficient. The start-up sequence, including self-test, takes a few minutes.
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Illustration 3.18 Step 8 of 8: Inverter start-up
To change the setup later, access the inverter via the web interface or the display, at inverter level.
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To change the name of the inverter, go to [Inverter level: Setup → Inverter details].
To enable master mode, go to [Inverter level: Setup → Inverter details].
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