SMA FLX User Manual [en, de, fr, es, it]
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 1
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
1.1 Purpose of the Manual
1.2 Software Version
1.3 Spare Parts
1.4 Unpacking
1.5 Identification of Inverter
1.6 Installation Sequence
1.7 Return and Disposal
1.7.1 Return 8
1.7.2 Disposal 8
1.8 Overview of Installation Area
2 Installation
2.1 Environment and Clearances
2.2 Mounting the Mounting Plate
2.3 Mounting the Inverter
2.4 Removing the Inverter
2.5 Access to the Installation Area
6
6
6
7
7
7
7
7
9
10
10
11
12
13
13
2.6 AC Grid Connection
2.7 RS-485 or Ethernet Connections
2.8 Options
2.9 Closure
2.10 PV Connection
2.10.1 Protection Rating for PV Modules 17
3 Initial Setup and Start
3.1 User Interface
3.1.1 Operation Modes 18
3.1.2 Security Level 18
3.1.3 Preparation for Master Inverter
3.1.4 Manual PV Configuration 19
3.2 Display
3.2.1 Initial Setup via Display
3.2.2 Turn PV Load Switch On 23
3.2.3 Start-up 23
3.2.4 Autotest Procedure
14
15
15
15
16
18
18
19
19
20
23
3.3 Web Interface
3.3.1 Prepare for Setup 23
3.3.3 Setup Wizard 24
3.3.4 Web Interface 30
4 L00410568-03_2q / Rev. date: 2014-06-20
23
Contents
3.3.5 Plant, Group and Inverter Views 31
3.3.6 Autotest Procedure 32
4 Service
4.1 Troubleshooting
4.2 Maintenance
5 Technical Data
5.1 Specifications
5.1.1 Inverter Specifications 37
5.2 Derating Limits
5.3 Conformity
5.4 Installation Conditions
5.5 Cable Specifications
5.6 Torque Specifications
5.7 Mains Circuit Specifications
5.8 Auxiliary Interface Specifications
5.9 RS-485 and Ethernet Connections
33
33
36
37
37
41
41
42
43
45
46
46
47
L00410568-03_2q / Rev. date: 2014-06-20 5
1
Introduction
1Introduction
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
•
install and set up PLA option for connecting radio
ripple control receiver to the inverter.
Fan Installation Instruction, for information
•
required to replace a fan.
These documents are available from the download area at
www.SMA.de, or from the supplier of the solar inverter.
Illustration 1.1 FLX Series 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.
6 L00410568-03_2q / Rev. date: 2014-06-20
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)
1.5 Identification of Inverter
1.6 Installation Sequence
1. Pay special attention to 1.1 Safety Message Types.
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
•
3.3 Web Interface.
For setup via the display, refer to
•
3.2 Display.
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 1
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.
L00410568-03_2q / Rev. date: 2014-06-20 7
1.7 Return 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.
1
Introduction
1.7.1 Return
For return to SMA Solar Technology AG, the inverter
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.
8 L00410568-03_2q / Rev. date: 2014-06-20
Introduction
1.8 Overview of Installation Area
1 1
PELV (Safe to touch)
1 RS-485 interface
2 Option slot A (can be used for GSM option, optional sensor interface, or PLA option)
3 Ethernet interface
4 Option slot A (can be used for GSM option, optional sensor interface, or PLA option)
Live Part
5 PV 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
L00410568-03_2q / Rev. date: 2014-06-20 9
2
Installation
2 Installation
2.1 Environment and Clearances
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 2.2 Avoid Direct Sunlight
Illustration 2.3 Ensure Adequate Air Flow
Illustration 2.4 Ensure Adequate Air Flow
Illustration 2.7 Prevent Dust and Ammonia Gases
NOTICE
When planning the installation site, ensure that inverter
product and warning labels remain visible. For details,
refer to 5 Technical Data.
Illustration 2.5 Mount on Non-flammable Surface
10 L00410568-03_2q / Rev. date: 2014-06-20
Installation
2
2.2 Mounting the Mounting Plate
2
Illustration 2.8 Safe Clearances
NOTICE
Ensure 620 mm base clearance for adequate airflow.
L00410568-03_2q / Rev. date: 2014-06-20 11
2
Installation
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
12 L00410568-03_2q / Rev. date: 2014-06-20
Installation
2
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
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.
2.5 Access to the Installation Area
CAUTION
Observe ESD safety regulations. Discharge any electrostatic charge by touching the grounded enclosure,
before handling any electronic component.
2
Illustration 2.12 Slide into Slots
Illustration 2.13 Detail of Sliding into Slot
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.
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:
L00410568-03_2q / Rev. date: 2014-06-20 13
Illustration 2.14 Loosen Front Screws and Lift Cover
2
Installation
2.6 AC Grid Connection
Illustration 2.17 AC Connection Area
Illustration 2.15 Installation Area
L1, L2, L3 3 mains wires
NNeutral wire
PE1 Primary protective earth
PE2 Secondary protective earth
Illustration 2.16 AC Cable Wire Strip
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.
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.
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.
14 L00410568-03_2q / Rev. date: 2014-06-20
Installation
2
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.
2
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.
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
L00410568-03_2q / Rev. date: 2014-06-20 15
2
Installation
2.10 PV Connection
WARNING
PV modules generate voltage when exposed to light.
Do NOT connect PV to earth.
Illustration 2.21 Correct Polarity: Mounting Sunclix Connector
on Cable
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.
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.
16 L00410568-03_2q / Rev. date: 2014-06-20
Installation
2
CAUTION
PV installation
Unused PV inputs may not be short-circuited.
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'.
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
the use of strings with lower operating voltage.
Only connect PV modules to the inverter. Other energy
sources are not allowed.
2
Illustration 2.23 Connect to PV Input
L00410568-03_2q / Rev. date: 2014-06-20 17
Initial Setup and Start
3 Initial Setup and Start
3
3.1 User Interface
The user interface comprises:
Local display. Enables manual setup of the
•
inverter.
Web interface. Enables access to multiple
•
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
•
3.3 Web Interface
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.
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.
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.
18 L00410568-03_2q / Rev. date: 2014-06-20
Initial Setup and Start
3
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.
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
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
•
3.2 Display
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.
3
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].
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3
Initial Setup and Start
Illustration 3.1 Overview of Display Buttons and Functionality
Key Function LED
F1
F2
F3
F4
Home
OK
Arrow up
Arrow
Down
Arrow Right
Arrow Left
Back
On - Green
LED
Alarm - Red
LED
Table 3.1 Overview of Display Buttons and Functionality
View 1/View 2 - Screen
Status Menu
Production Log Menu
Setup Menu
Return to View Screen
Enter/select
A step up/increase value
A step down/decrease
value
Moves cursor right
Moves cursor left
Return/de-select
Flashing = Fail safe
The inverter is
configured as master.
This icon appears in the
top right corner.
The inverter is a
follower, connected to a
master. This icon
appears in the top right
corner.
When keys F1-F4 are
selected, the LED above
the key will light up
On/flashing = On grid/
Connecting
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 language is set to English at initial start-up. To change
this setting press the [OK] button. Press [
through the languages. Select language by pressing [OK].
the F1 button.
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] to scroll down
▼
Initial Setup and Start
3
NOTICE
To use the default language (English) simply press the
[OK] button twice to select and accept.
Illustration 3.3 Master Mode
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].
3
To enable master mode go to the Inverter details menu
[Setup → Inverter details → Master mode] and set master
mode to Enabled.
Illustration 3.4 Set Time
Illustration 3.5 Set Date
Set date as prompted by the display. Press [OK] to select.
Press [
pressing [OK].
] to scroll up through the numbers. Select by
▲
Set time as prompted by the display. Press [OK] to select
number. Press [
by pressing [OK].
The clock is 24-hour format. The inverter accounts for
daylight saving automatically.
] to scroll up through the numbers. Select
▲
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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
Initial Setup and Start
parallel, enter average installed PV power for each PV
input, as shown in the examples.
3
PV String Configuration
Example 1: PV1, PV2 and PV3 are each set
to individual mode.
Nominal PV power installed:
PV 1: 6000 W PV 1: 6000 W
PV 2: 6000 W PV 2: 6000 W
PV 3: 3000 W PV 3: 3000 W
Example 2: PV1 and PV2 are set to
parallel mode and have a total of 10 kW
PV power installed. PV3 is set to
individual mode and has nominal 4 kW
PV power.
Example 3: PV1 and PV2 are set to
parallel mode and have a total of 11 kW
PV power installed. PV3 is set to [Off] and
has no PV installed.
Table 3.2 Examples of Installed PV Power
Enter this value for
“Installed PV power”
PV 1: 5000 W
PV 2: 5000 W
PV 3: 4000 W
PV 1: 5500 W
PV 2: 5500 W
PV 3: 0 W
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].
Illustration 3.8 Select Grid Code
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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Initial Setup and Start
3
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.
3.2.2 Turn PV Load Switch On
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
compatible with Unicode.
For inverter name, no spaces are permitted.
For plant, group and inverter name, only the following
characters are supported:
Letters abcdefghijklmnopqrstuvwxyz
Capital letters ABCDEFGHIJKLMNOPQRSTUVWXYZ
Numbers 0123456789
Special
characters
- _.
3.3.1 Prepare for Setup
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
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].
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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Initial Setup and Start
3
For Windows XP and older Windows
•
versions: http://invertername, where
'invertername' is the final 10 digits of
the serial number.
For Windows 7 and newer Windows
•
versions: http://IP address. The IP
address can be found in the display.
It is not possible to use the installation wizard with
Windows 7 and 8.
3.3.3 Setup Wizard
Step 1 of 8: Display language
Select display language.
The default language is English.
•
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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Initial Setup and Start
3
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
•
3
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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3
Initial Setup and Start
CAUTION
Incorrect setting can have serious consequences for
production efficiency.
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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Initial Setup and Start
3
The default setting is [undefined].
•
Select the grid code again, to confirm.
The setting is activated immediately.
•
CAUTION
Correct selection is essential to comply with local and
national standards.
3
Illustration 3.16 Step 6 of 8: Grid Code
NOTICE
If the initial and confirmation settings are different,
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:
Select inverters.
•
Click [Replicate].
•
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3
Initial Setup and Start
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.
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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Initial Setup and Start
3
3
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.
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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