SMA Sunny Tripower 25000TL User manual

OperatingManual
SUNNY TRIPOWER 20000TL / 25000TL
STP20-25TL-BE-en-10 | 98-112100.01 | Version 1.0 AMERICAN ENGLISH

Legal Provisions
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.
SMA Warranty
You can download the current warranty conditions from the Internet at www.SMA-Solar.com.
Trademarks
All trademarks are recognized, even if not explicitly identified as such. A lack of identification does
not mean that a product or symbol is not trademarked.
The BLUETOOTH® word mark and logos are registered trademarks of BluetoothSIG,Inc. and any
use of these marks by SMASolarTechnologyAG is under license.
Modbus® is a registered trademark of Schneider Electric and is licensed by the Modbus
Organization, Inc.
QR Code is a registered trademark of DENSO WAVE INCORPORATED.
Phillips® and Pozidriv® are registered trademarks of Phillips Screw Company.
Torx® is a registered trademark of Acument Global Technologies, Inc.
SMA Solar Technology AG
Sonnenallee 1
34266 Niestetal
Germany
Tel. [phone]
Fax [phone]
www.SMA.de
E-mail: [email protected]
© 2004 to 2014 SMA Solar Technology AG. All rights reserved.
Legal Provisions SMA Solar Technology AG
Operating ManualSTP20-25TL-BE-en-102

Table of Contents
1 Information on this Document ................................................. 5
2 Safety......................................................................................... 7
2.1 Intended Use ....................................................................................... 7
2.2 Skills of Qualified Persons .................................................................. 7
2.3 Safety Precautions............................................................................... 8
3 Scope of Delivery...................................................................... 9
4 Product Description................................................................... 10
4.1 Sunny Tripower.................................................................................... 10
4.2 Interfaces and Functions ..................................................................... 13
5 Mounting ................................................................................... 14
5.1 Requirements for Mounting ................................................................ 14
5.2 Mounting the Inverter.......................................................................... 16
6 Electrical Connection................................................................. 19
6.1 Safety during Electrical Connection................................................... 19
6.2 Overview of the Connection Area ..................................................... 20
6.2.1 View from Below............................................................................ 20
6.2.2 Interior View ................................................................................... 21
6.3 AC Connection.................................................................................... 21
6.3.1 Requirements for the AC Connection............................................ 21
6.3.2 Connecting the Inverter to the Utility Grid.................................... 23
6.3.3 Connecting Additional Grounding ............................................... 24
6.4 DC Connection.................................................................................... 24
6.4.1 Requirements for the DC Connection............................................ 24
6.4.2 Connecting the PV Array............................................................... 25
6.4.3 Retrofitting the Surge Arrester Type II........................................... 26
7 Commissioning.......................................................................... 28
7.1 Procedure............................................................................................. 28
7.2 Configuring the Country Data Set...................................................... 28
7.3 Commissioning the Inverter................................................................. 30
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8 Configuration ............................................................................ 32
8.1 Procedure............................................................................................. 32
8.2 Changing Operating Parameters....................................................... 32
8.3 Setting SMA OptiTrac Global Peak................................................... 33
9 Disconnecting the Inverter from Voltage Sources.................. 34
10 Technical Data........................................................................... 36
11 Accessories ................................................................................ 41
12 Contact....................................................................................... 42
13 EC Declaration of Conformity .................................................. 45
Table of Contents SMA Solar Technology AG
Operating ManualSTP20-25TL-BE-en-104

1 Information on this Document
This document is valid for the following device types:
• STP 20000TL-30 (Sunny Tripower 20000TL)
• STP 25000TL-30 (Sunny Tripower 25000TL)
Target Group
This document is intended for qualified persons and end users. Some of the tasks described in this
document must only be performed by qualified persons with the appropriate skills (see Section2.2
"Skills of Qualified Persons", page7). Such tasks are marked with a warning symbol and the
caption "Qualified person". Tasks that do not require any particular qualification are not marked
and can also be performed by end users.
Additional Information
Links to additional information can be found at www.SMA-Solar.com:
Subject Document type and document title
Troubleshooting and cleaning, decommissioning Service Manual "Sunny Tripower 20000TL /
25000TL"
Operating parameters and their configuration
options
Technical Information "Parameter List"
Overview of the rotary switch settings for config-
uring the country data set and display language
Technical Information "Overview of the Rotary
Switch Settings"
Efficiency and derating behavior Technical Information "Efficiency and Derating"
Selection of the residual-current device Technical Information "Criteria for Selecting a
Residual-Current Device"
Selection of the AC circuit breaker Technical Information "Circuit Breaker"
Ground fault in the PV system (insulation resis-
tance Riso)
Technical Information "Insulation Resistance
(Riso) of Non-Galvanically Isolated PV Systems"
Firmware update Technical Description "Firmware Update with SD
Memory Card"
Speedwire/Webconnect connection Installation Manual "SMA Speedwire/Webcon-
nect data module"
RS485 connection Installation Manual "RS485 data module"
Registration in SunnyPortal User Manual "Webconnect Systems in Sun-
nyPortal"
Setting or changing operating parameters User Manual "SunnyExplorer"
1 Information on this Document
SMA Solar Technology AG
Operating Manual 5STP20-25TL-BE-en-10

Symbols
Symbol Explanation
Indicates a hazardous situation which, if not
avoided, will result in death or serious injury
Indicates a hazardous situation which, if not
avoided, can result in death or serious injury
Indicates a hazardous situation which, if not
avoided, can result in minor or moderate injury
Indicates a situation which, if not avoided, can re-
sult in property damage
Sections describing activities to be performed by
qualified persons only
Information that is important for a specific topic or
goal, but is not safety-relevant
Indicates a requirement for meeting a specific goal
Desired result
A problem that might occur
Nomenclature
Complete designation Designation in this document
Sunny Tripower Inverter, product
1 Information on this Document SMA Solar Technology AG
Operating ManualSTP20-25TL-BE-en-106

2 Safety
2.1 Intended Use
The SunnyTripower is a transformerless PV inverter with two MPP trackers which converts the direct
current of the PV array to grid-compliant three-phase current and feeds it into the utility grid.
The product is suitable for indoor and outdoor use.
The product must only be operated with PV arrays of protection classII, in accordance with
IEC61730, application classA. The PV modules must be suitable for use with this product.
PV modules with a high capacity to ground must only be used if their coupling capacity does not
exceed 3.5μF (for information on how to calculate the coupling capacity, see the Technical
Information "Leading Leakage Currents" at www.SMA-Solar.com).
All components must remain within their permitted operating ranges at all times.
The product must only be used in countries for which it is approved or released by SMA Solar
Technology AG and the grid operator.
Use this product only in accordance with the information provided in the enclosed documentation
and with the locally applicable standards and directives. Any other application may cause
personal injury or property damage.
Alterations to the product, e.g. changes or modifications, are only permitted with the express written
permission of SMA Solar Technology AG. Making unauthorized changes will void the warranty
and will normally result in invalidation of the operating permit. SMA Solar Technology AG shall not
be held liable for any damages caused by such changes.
Any use of the product other than described in the Intended Use section does not qualify as
intended use.
The enclosed documentation is an integral part of this product. Keep the documentation in a
convenient place for future reference and observe all instructions contained therein.
The type label must remain permanently attached to the product.
2.2 Skills of Qualified Persons
Only qualified persons are allowed to perform the activities marked in this document with a
warning symbol and the caption "Qualifiedperson". Qualified persons must have the following
skills:
• Knowledge of how an inverter works and is operated
• Training in how to deal with the dangers and risks associated with installing and using
electrical devices and systems
• Training in the installation and commissioning of electrical devices and systems
• Knowledge of the applicable standards and directives
• Knowledge of and compliance with this document and all safety precautions
2 Safety
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2.3 Safety Precautions
This section contains safety precautions 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 follow all safety precautions at all times.
Danger to life due to high voltages of the PV array
When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the
DC conductors and the live components of the inverter. Touching the DC conductors or the live
components can lead to lethal electric shocks. If you disconnect the DC connectors from the
inverter under load, an electric arc may occur leading to electric shock and burns.
• Do not touch uninsulated cable ends.
• Do not touch the DC conductors.
• Do not touch any live components of the inverter.
• Have the inverter mounted, installed and commissioned by qualified persons with the
appropriate skills only.
• If an error occurs, have it rectified by qualified persons only.
• Prior to performing any work on the inverter, disconnect it from all voltage sources as
described in this document (see Section9, page34).
Danger to life due to electric shock
Touching an ungrounded PV module or an array frame can cause a fatal electric shock.
• Connect and ground the PV modules, array frame and electrically conductive surfaces so
that there is continuous conduction. Observe the applicable local regulations.
Risk of burns due to hot enclosure parts
Some parts of the enclosure can get hot during operation.
• Do not touch any parts other than the lower enclosure lid of the inverter during operation.
Damage to the seal of the enclosure lids in subfreezing
If you open the upper and lower enclosure lids in subfreezing conditions, the enclosure's seal can
be damaged. This can lead to moisture entering the inverter.
• Do not open the inverter at ambient temperatures lower than -5°C.
• If a layer of ice has formed on the seal of the lid in sub-zero conditions, remove it prior to
opening the enclosure lids of the inverter (e.g. by melting the ice with warm air). Observe the
applicable safety regulations.
2 Safety SMA Solar Technology AG
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3 Scope of Delivery
Check the scope of delivery for completeness and any externally visible damage. Contact your
distributor if the scope of delivery is incomplete or damaged.
Figure 1: Components included in the scope of delivery
Position Quantity Designation
A 1 Inverter
B 1 Handle of the DC load-break switch
C 1 Wall mounting bracket
D 1 Operating manual, supplementary sheet with default set-
tings, installation manual of the DC connector
E 6 Negative DC connectors
F 6 Positive DC connectors
G 6 Sealing plug
M 1 Clamping bracket
N 1 Cylindrical screw M6
O 1 Conical spring washer M6
3 Scope of Delivery
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4 Product Description
4.1 SunnyTripower
The SunnyTripower is a transformerless PV inverter with two MPP trackers which converts the direct
current of the PV array to grid-compliant three-phase current and feeds it into the utility grid.
Figure 2: Design of the SunnyTripower
Position Designation
A Thread for screwing in two eye bolts for transport
B Type label
You will find the following information on the type label:
• Device type (Model)
• Serial number (Serial No.)
• Date of manufacture
• Device-specific characteristics
C Ventilation grid
D Recess
4 Product Description SMA Solar Technology AG
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Position Designation
E LEDs
The LEDs indicate the operating state of the inverter:
• Green LED is glowing: operation
• Green LED is flashing: the requirements for the connection to the
utility grid have not been met.
• Red LED is glowing: An error has occurred that must be rectified by
a qualified person (for troubleshooting, see service manual at
www.SMA-Solar.com).
• Blue LED: no function
F DC load-break switch
G Lower enclosure lid
H Upper enclosure lid
Symbols on the Inverter and on the Type Label
Symbol Explanation
Inverter
This symbol is located next to the green LED which indicates feed-in oper-
ation of the inverter.
Observe the documentation
This symbol is located next to the red LED which indicates an error.
Communication
This symbol is located next to the blue LED.
Danger
This symbol indicates that the inverter must be additionally grounded if a
second grounding conductor or equipotential bonding is required locally
(see Section6.3.3 "Connecting Additional Grounding", page24).
QRCode
Links to additional information on the inverter can be found at
www.SMA-Solar.com.
Danger to life due to high voltages
The product operates at high voltages. All work on the product must be
carried out by qualified persons only.
4 Product Description
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Symbol Explanation
Risk of burns from hot surfaces
The product can get hot during operation. Avoid contact during opera-
tion. Allow the product to cool down sufficiently before carrying out any
work. Wear personal protective equipment such as safety gloves.
Observe the documentation
Observe all documentation supplied with the product.
Direct current
The product does not have a transformer.
Alternating current
WEEE designation
Do not dispose of the product together with the household waste but in
accordance with the locally applicable disposal regulations for electronic
waste.
CE marking
The product complies with the requirements of the applicable EU direc-
tives.
Degree of protectionIP65
The product is protected against dust intrusion and water jets from any
angle.
The product is suitable for outdoor installation.
RAL quality mark for solar products
The product complies with the requirements of the German Institute for
Quality Assurance and Certification.
Certified safety
The product is VDE-tested and complies with the requirements of the Ger-
man Equipment and Product Safety Act.
C-Tick
The product complies with the requirements of the applicable Australian
EMC standards.
4 Product Description SMA Solar Technology AG
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4.2 Interfaces and Functions
RS485 interface
The inverter can communicate via cables with special SMA communication products via the RS485
interface (information on supported SMAproducts at www.SMA-Solar.com). The RS485 interface
can be retrofitted.
SMA Speedwire/Webconnect
SMASpeedwire/Webconnect is a type of communication based on the Ethernet standard, and
allows you to connect the inverter to a Speedwire network. Webconnect allows for data exchange
between the inverter and SunnyPortal. SunnyPortal is an Internet portal which allows you to
monitor PV systems and to visualize and present PV system data.
Multifunction relay
You can configure the multifunction relay for various operating modes. The multifunction relay is
used, for example, to switch fault indicators on or off (for information on installation and
configuration, see installation manual of the multifunction relay). The multifunction relay can be
retrofitted.
SMA Power Control Module
The SMAPowerControlModule enables the inverter to implement grid management services and
is equipped with an additional multifunction relay (for information on installation and configuration,
see the installation manual of the SMAPowerControlModule). The SMAPowerControlModule
can be retrofitted.
SMAOptiTracGlobalPeak
SMAOptiTracGlobalPeak is an advancement of SMAOptiTrac and allows the operating point of
the inverter to follow the MPP precisely at all times. In addition, with the aid of
SMAOptiTracGlobalPeak, the inverter can detect the presence of several maximum power points
in the available operating range, such as may occur particularly with partially shaded strings.
SMAOptiTracGlobalPeak is enabled by default.
Grid Management Services
The inverter is equipped with service functions for grid management.
Depending on the requirements of the grid operator, you can activate and configure the functions
(e.g. active power limitation) via operating parameters.
Surge arrester type II
Surge arresters of typeII limit dangerous overvoltages. Surge arresters of typeI can be retrofitted.
4 Product Description
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5 Mounting
5.1 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 inverter in areas containing highly flammable materials or gases.
• Do not mount the inverter in a potentially explosive atmosphere.
☐ Do not mount the inverter on a pillar.
☐ The mounting location must be inaccessible to children.
☐ A solid support surface must be available for mounting, e.g. concrete or masonry. When
mounted on drywall or similar materials, the inverter emits audible vibrations during operation
which could be perceived as annoying.
☐ The mounting location must be suitable for the weight and dimensions of the inverter (see
Section10 "Technical Data", page36).
☐ To ensure optimum operation, the ambient temperature should be between -25°C and 40°C.
☐ The mounting location should not be exposed to direct solar irradiation. Direct solar irradiation
can cause the inverter to overheat. As a result, the inverter reduces its power output.
☐ Climatic conditions must be met (see Section10 "Technical Data", page36).
☐ The mounting location should be clear and safely accessible at all times without the need for
any auxiliary equipment (such as scaffolding or lifting platforms). Non-fulfillment of these
criteria may restrict servicing.
5 Mounting SMA Solar Technology AG
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Dimensions for mounting:
Figure 3: Position of the anchoring points
Recommended clearances:
Provided that the recommended clearances are observed, adequate heat dissipation will be
ensured. Thus, you will prevent power reduction due to excessive temperature.
5 Mounting
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☐ Observe the recommended clearances to walls as well as to other inverters or objects.
☐ If multiple inverters are mounted in areas with high ambient temperatures, increase the
clearances between the inverters and ensure sufficient fresh-air supply.
Figure 4: Recommended clearances
Permitted and prohibited mounting positions:
☐ The inverter must be mounted in one of the permitted positions. This will ensure that no
moisture can penetrate the inverter.
☐ The inverter should be mounted in such a way that LED signals can be read without difficulty.
Figure 5: Permitted and prohibited mounting positions
5.2 Mounting the Inverter
Additionally required mounting material (not included in the scope of delivery):
☐ At least two screws that are suitable for the support surface (size: M10 at maximum)
☐ At least two washers that are suitable for the screws (diameter: 30mm at maximum)
☐ At least two screw anchors that are suitable for the support surface and the screws
5 Mounting SMA Solar Technology AG
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☐ For transporting the inverter with a crane: two eye bolts suitable for the weight of the inverter
(size: M10)
☐ To secure the inverter from being lifted off: two screws, washers and screw anchors that are
suitable for the support surface
Risk of injury when lifting the inverter, or if it is dropped
The inverter weighs 61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.
• Carry and lift the inverter upright with several
people without tilting it. With one hand grasp
the recessed grip, and with the other hand
support the top part of the enclosure. This will
prevent the inverter tipping forward.
• If the inverter is to be transported and lifted
with a crane, remove the filler plugs on the top
of the inverter and screw the eye bolts into the
threads.
Risk of burns from hot surfaces
During operation, the inverter can get hot.
• Mount the inverter in such a way that it cannot be touched inadvertently during operation.
Procedure:
1.
Risk of electric shock if electric cables and other supply lines are damaged by
drilling
• Before drilling, ensure that there are no electric cables and supply lines in the wall that
could be damaged.
5 Mounting
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2. Align the wall mounting bracket horizontally on the wall and use it to mark the position of the
drill holes. Use at least one hole on the right-hand and left-hand side in the wall mounting
bracket.
3. If the inverter is to be secured from being lifted off of the wall mounting bracket, mark the
position of the drill holes for the screw that attaches the inverter to the wall mounting bracket.
Observe the dimensions of the drill holes at the bottom of the inverter rear panel.
4. Drill the holes.
5. Plug one screw anchor into each hole.
6. Secure the wall mounting bracket horizontally using screws and washers.
7. Hook the inverter into the wall mounting bracket.
8. When using a crane to transport the inverter, remove the eye bolts after hooking the inverter
into the bracket and attach the filler plugs again.
9. In order to secure the inverter from being lifted
off the wall accidentally, attach it to the wall with
suitable mounting material. Use both of the
lower drill holes on the rear panel of the inverter.
10. Ensure that the inverter is securely in place.
5 Mounting SMA Solar Technology AG
Operating ManualSTP20-25TL-BE-en-1018

6 Electrical Connection
6.1 Safety during Electrical Connection
Danger to life due to high voltages of the PV array
When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the
DC conductors and the live components of the inverter. Touching the DC conductors or the live
components can lead to lethal electric shocks. If you disconnect the DC connectors from the
inverter under load, an electric arc may occur leading to electric shock and burns.
• Do not touch uninsulated cable ends.
• Do not touch the DC conductors.
• Do not touch any live components of the inverter.
• Have the inverter mounted, installed and commissioned by qualified persons with the
appropriate skills only.
• If an error occurs, have it rectified by qualified persons only.
• Prior to performing any work on the inverter, disconnect it from all voltage sources as
described in this document (see Section9, page34).
Damage to the seal of the enclosure lids in subfreezing
If you open the upper and lower enclosure lids in subfreezing conditions, the enclosure's seal can
be damaged. This can lead to moisture entering the inverter.
• Do not open the inverter at ambient temperatures lower than -5°C.
• If a layer of ice has formed on the seal of the lid in sub-zero conditions, remove it prior to
opening the enclosure lids of the inverter (e.g. by melting the ice with warm air). Observe the
applicable safety regulations.
6 Electrical Connection
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6.2 Overview of the Connection Area
6.2.1 View from Below
Figure 6: Enclosure openings at the bottom of the inverter
Position Designation
A DC load-break switch
B Enclosure opening M20 with filler plug for the cable of the multifunction relay
or SMAPowerControlModule
C Enclosure opening M32 with filler plug for the data cables or network cables
D Enclosure opening M20 with filler plug for the data cables or network cables
E Enclosure opening for the AC connection
F Positive and negative DC connectors, input B
G Positive and negative DC connectors, input A
6 Electrical Connection SMA Solar Technology AG
Operating ManualSTP20-25TL-BE-en-1020