SMA SUNNY TRIPOWER X 20-US User manual

Operating manual
SUNNY TRIPOWER X 20-US / 25-US / 30-US
STPxx-US-50-BE-en-11 | Version 1.1ENGLISH

Legal Provisions SMA Solar Technology AG
Operating manualSTPxx-US-50-BE-en-112
Legal Provisions
The information contained in these documents is the property of SMA Solar Technology AG. No
part of this document may be reproduced, stored in a retrieval system, or transmitted, in any form or
by any means, be it electronic, mechanical, photographic, magnetic or otherwise, without the prior
written permission of 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 Solar Technology AG makes no representations or warranties, express or implied, with
respect to this documentation or any of the equipment and/or software it may describe, including
(with no limitation) any implied warranties of utility, merchantability, or fitness for any particular
purpose. All such representations or warranties are expressly disclaimed. Neither SMA Solar
Technology AG nor its distributors or dealers shall be liable for any indirect, incidental, or
consequential damages under any circumstances.
The exclusion of implied warranties may not apply in all cases under some statutes, and thus the
above exclusion may not apply.
Passwords managed by this SMA product are always stored encrypted.
Specifications are subject to change without notice. Every attempt has been made to make this
document complete, accurate and up-to-date. Readers are cautioned, however, that product
improvements and field usage experience may cause SMA Solar Technology AG to make changes
to these specifications without advance notice or per contract provisions. SMA Solar Technology
AG shall not be responsible for any damages, including indirect, incidental or consequential
damages, caused by reliance on the material presented, including, but not limited to, omissions,
typographical errors, arithmetical errors or listing errors in the content material.
SMA Warranty
You can download the current warranty conditions from the Internet at www.SMA-Solar.com.
Software licenses
The licenses for the installed software modules (open source) can be found in the user interface of
the product.
Trademarks
All trademarks are recognized, even if not explicitly identified as such. Missing designations do not
mean that a product or brand is not a registered trademark.
SMA Solar Technology AG
Sonnenallee 1
34266 Niestetal
Germany
Phone [phone]
Fax [phone]
www.SMA.de
E-mail: [email protected]
Status: 8/9/2023

Legal Provisions
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 3
Copyright © 2023 SMA Solar Technology AG. All rights reserved.

Table of contents SMA Solar Technology AG
Operating manualSTPxx-US-50-BE-en-114
Table of contents
1 Information on this Document................................................. 8
1.1 Validity ........................................................................................................................ 8
1.2 Target Group.............................................................................................................. 8
1.3 Content and Structure of this Document ................................................................... 8
1.4 Levels of Warning Messages .................................................................................... 8
1.5 Symbols in the Document .......................................................................................... 9
1.6 Typographical Elements in the Document................................................................. 9
1.7 Designations in the Document................................................................................... 9
1.8 Additional Information ............................................................................................... 10
2 Safety ........................................................................................ 11
2.1 Intended Use .............................................................................................................. 11
2.2 IMPORTANT SAFETY INSTRUCTIONS.................................................................... 12
3 Scope of delivery ..................................................................... 17
4 Product Overview.................................................................... 19
4.1 Device Configuration ................................................................................................. 19
4.2 System overview......................................................................................................... 20
4.2.1 Sunny Tripower X as System Manager ................................................. 20
4.2.2 Sunny Tripower X with SMA Data Manager as System Manager ..... 21
4.3 Product Description .................................................................................................... 22
4.4 Symbols on the Product ............................................................................................. 22
4.5 Interfaces and Functions ............................................................................................ 23
4.5.1 Sunny Tripower X as System Manager ................................................. 23
4.5.2 User Interface.......................................................................................... 24
4.5.3 Wi-Fi......................................................................................................... 24
4.5.4 SMA Speedwire ..................................................................................... 24
4.5.5 Modbus................................................................................................... 24
4.5.6 SMA Dynamic Power Control................................................................ 24
4.5.7 Digital inputs ........................................................................................... 25
4.5.8 Device Key (DEV KEY) ........................................................................... 25
4.5.9 Grid Management Services................................................................... 25
4.5.10 SMA ShadeFix........................................................................................ 25
4.5.11 Surge arrester type 1+2 or type 2 ........................................................ 25
4.5.12 Rapid Shutdown Equipment................................................................... 25
4.5.13 Arc-Fault Circuit Interrupter (AFCI)......................................................... 27
4.5.14 SMA Smart Connected .......................................................................... 27
4.5.15 Integrated Plant Control ......................................................................... 28
4.6 LED Signals................................................................................................................. 28

Table of contents
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 5
5 Mounting .................................................................................. 30
5.1 Requirements for Mounting ....................................................................................... 30
5.1.1 Requirements for the Mounting Location............................................... 30
5.1.2 Permitted and prohibited mounting positions........................................ 30
5.1.3 Dimensions for mounting ........................................................................ 31
5.1.4 Recommended clearances for mounting............................................... 31
5.2 Mount the product. .................................................................................................... 32
5.3 Mounting equipment grounding bar......................................................................... 34
5.4 Mount the DC terminal cover (optional)................................................................... 34
6 Electrical Connection................................................................ 36
6.1 Requirements for the electrical connection ............................................................... 36
6.1.1 Permitted grid configurations ................................................................. 36
6.1.2 Residual-current monitoring unit............................................................. 36
6.1.3 Load-break switch and cable protection ............................................... 36
6.1.4 Requirements on the AC conductors ..................................................... 36
6.1.5 Network cable requirements.................................................................. 36
6.1.6 Requirements for the PV modules per input........................................... 37
6.1.7 Requirements on the equipment grounding conductor of the PV
modules ................................................................................................... 37
6.1.8 DC cable requirements........................................................................... 37
6.1.9 Signal cable requirements...................................................................... 37
6.1.10 Additionally required material for the connection to digital inputs...... 38
6.2 Overview of the Connection Area ............................................................................ 38
6.2.1 View from Below..................................................................................... 38
6.2.2 Interior View............................................................................................ 39
6.3 Electrical connection procedure................................................................................ 39
6.4 Connecting the AC conductors ................................................................................. 40
6.5 Connecting the Network Cables............................................................................... 42
6.6 Connection to the Multifunction Relay...................................................................... 43
6.6.1 Pin assignment MFR................................................................................ 43
6.6.2 Connect signal source to MFR............................................................... 44
6.7 Connection to digital input DI 1-4............................................................................. 45
6.7.1 Digital input DI 1-4 ................................................................................. 45
6.7.2 Pin assignment DI 1-4............................................................................. 45
6.7.3 Circuitry overview DI 1-4 ....................................................................... 45
6.7.4 Connecting signal source to DI 1-4....................................................... 45
6.8 Connection to digital input DI 5-6............................................................................. 46
6.8.1 Digital input DI 5-6 ................................................................................. 46
6.8.2 Pin assignment DI 5-6............................................................................. 47
6.8.3 Circuitry overview DI 5........................................................................... 47
6.8.4 Circuitry overview DI 6........................................................................... 47
6.8.5 Connecting Signal Source to Digital Input DI 5-6 ................................ 48

Table of contents SMA Solar Technology AG
Operating manualSTPxx-US-50-BE-en-116
6.9 DC connection............................................................................................................ 49
6.9.1 Assembling the DC Connectors ............................................................. 49
6.9.2 Connecting the PV Array........................................................................ 50
7 Commissioning ......................................................................... 54
7.1 Procedure for commissioning as System Manager.................................................. 54
7.2 Procedure for commissioning as a subordinate device ........................................... 55
7.3 Commissioning the Inverter........................................................................................ 55
8 Operation ................................................................................. 57
8.1 Establishing a connection to the user interface ........................................................ 57
8.1.1 Connection in the local network ............................................................ 57
8.1.1.1 Access addresses for the product in the local network..... 57
8.1.1.2 Ports for data communication in the local network ........... 57
8.1.1.3 Establishing a Connection via Ethernet in the local
network ................................................................................ 58
8.1.1.4 Establishing a Connection via WLAN in the Local
Network ............................................................................... 59
8.1.2 Direct connection via Wi-Fi .................................................................... 59
8.1.2.1 Connection options for Wi-Fi direct connection ................ 59
8.1.2.2 Access information for direct Wi-Fi connection ................. 60
8.1.2.3 Establishing a direct Wi-Fi connection with WPS .............. 60
8.1.2.4 Establishing direct Wi-Fi connection with Wi-Fi network
search................................................................................... 60
8.2 WPS function.............................................................................................................. 61
8.2.1 Connection options with WPS ............................................................... 61
8.2.2 Activating WPS for automatic connection............................................. 61
8.2.3 Activating WPS for direct connection to a smart device...................... 61
8.3 Design of the User Interface...................................................................................... 62
8.4 Access rights to the user interface............................................................................. 63
8.5 Changing parameters................................................................................................ 63
8.6 Activating Speedwire encryption of the system communication ............................. 63
8.7 Resetting the product to default setting..................................................................... 64
8.8 Deleting the Admin Account...................................................................................... 64
8.9 Arc-Fault Circuit Interrupter (AFCI)............................................................................ 65
8.10 Carry out a manual firmware update ....................................................................... 65
9 Disconnecting the product from voltage sources .................. 67
10 Cleaning.................................................................................... 71
11 Troubleshooting ....................................................................... 72

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SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 7
11.1 Event messages .......................................................................................................... 72
11.2 Calculating the insulation resistance......................................................................... 87
11.3 Checking the PV System for Ground Faults.............................................................. 88
11.4 Cleaning the Fans ...................................................................................................... 89
11.5 Manual restart after electric arc................................................................................ 90
12 Decommissioning the Product................................................. 91
13 Disposal .................................................................................... 93
14 Technical Data.......................................................................... 94
14.1 General Data ............................................................................................................. 94
14.2 DC Input...................................................................................................................... 95
14.3 AC Output .................................................................................................................. 95
14.4 Digital inputs............................................................................................................... 97
14.5 Multifunction Relay..................................................................................................... 97
14.6 Communication .......................................................................................................... 97
14.7 Data Storage Capacity.............................................................................................. 97
14.8 Efficiency..................................................................................................................... 98
14.9 Protective Devices ...................................................................................................... 98
14.10 Climatic Conditions .................................................................................................... 98
14.11 Equipment................................................................................................................... 98
14.12 Torques ....................................................................................................................... 99
15 Accessories ............................................................................... 100
16 Compliance Information.......................................................... 101
17 Contact...................................................................................... 102

1 Information on this Document SMA Solar Technology AG
Operating manualSTPxx-US-50-BE-en-118
1 Information on this Document
1.1 Validity
This document is valid for:
• STP 20-US-50 (Sunny Tripower X 20-US)
• STP 25-US-50 (Sunny Tripower X 25-US)
• STP 30-US-50 (Sunny Tripower X 30-US)
1.2 Target Group
This document is intended for qualified persons and end users. Only qualified persons are allowed
to perform the activities marked in this document 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. Qualified persons must have the following skills:
• Knowledge of how to safely disconnect SMA inverters
• Knowledge of how an inverter works and is operated
• Training in how to deal with the dangers and risks associated with installing, repairing and
using electrical devices and installations
• Training in the installation and commissioning of electrical devices and installations
• Knowledge of all applicable laws, regulations, standards, and directives
• Knowledge of and compliance with this document and all safety information
1.3 Content and Structure of this Document
This document describes the mounting, installation, commissioning, configuration, operation,
troubleshooting and decommissioning of the product as well as the operation of the product user
interface.
You will find the latest version of this document and further information on the product in PDF format
and as eManual at www.SMA-Solar.com. You can also call up the eManual via the user interface
of the product.
Illustrations in this document are reduced to the essential information and may deviate from the real
product.
1.4 Levels of Warning Messages
The following levels of warning messages may occur when handling the product.
DANGER
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
WARNING
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.

1 Information on this Document
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 9
CAUTION
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
NOTICE
Indicates a situation which, if not avoided, can result in property damage.
1.5 Symbols in the Document
Icon Explanation
Information that is important for a specific topic or goal, but is not safety-rele-
vant
☐
Indicates a requirement for meeting a specific goal
☑
Required result
Example
Sections describing activities to be performed by qualified persons only
1.6 Typographical Elements in the Document
Typographical ele-
ment
Use Example
bold • Messages
• Terminals
• Elements on a user interface
• Elements to be selected
• Elements to be entered
• Connect the insulated
conductors to the terminals
X703:1 to X703:6.
• Enter 10 in the field
Minutes.
>• Connects several elements to be
selected
• Go to Settings > Date.
[Button]
[Key]
• Button or key to be selected or
pressed
• Select [Enter].
# • Placeholder for variable
components (e.g., parameter
names)
• Parameter WCtlHz.Hz#
1.7 Designations in the Document
Complete designation Designation in this document
Sunny Tripower X Inverter, product

1 Information on this Document SMA Solar Technology AG
Operating manualSTPxx-US-50-BE-en-1110
1.8 Additional Information
Additional information is available at www.SMA-Solar.com.
Title and information content Type of information
"PUBLIC CYBER SECURITY - Guidelines for a Secure PV System
Communication"
Technical Information
"Efficiency and Derating"
Efficiency and derating behavior of the SMA inverters
Technical Information
"Parameters and Measured Values"
Device-specific overview of all parameters and measured values
and their setting options
Information about the SMA Modbus registers
Technical Information
"SMA Modbus ®-interface - ennexOS"
Information on the SMA Modbus interface
Technical Information
"SunSpec Modbus ®-interface - ennexOS"
Information about the SunSpec Modbus interface and supported in-
formation models
Technical Information

2 Safety
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 11
2 Safety
2.1 Intended Use
The SunnyTripower is a transformerless PV inverter, with 3 MPP trackers, that converts the direct
current of the PV modules to grid-compliant, three-phase current and feeds it into the utility grid.
The product is suitable for indoor and outdoor use.
If the product is operated with a medium-voltage transformer, the low-voltage side must be
configured in a star formation and the neutral point grounded (for information about the
requirements of the medium-voltage transformer, consult the technical information "Important
Requirements for Medium-Voltage Transformers" under www.SMA-Solar.com).
The product must only be operated with PV arrays (PV modules and cabling) that are approved by
the electrical standards applicable on-site and the NationalElectricalCode® ANSI/NFPA 70 or
the CanadianElectricalCode® CSA C22.1.
Transformerless (Non-isolated)
The product is not equipped with a transformer and therefore has no galvanic isolation.
The neutral conductor of the AC output is not bonded to ground within the product.
• Do not operate grounded PV modules together with the product. If grounded PV modules
are connected to the product, an event will occur. The event will be displayed, along with
the associated message, in the event list on the user interface of the product.
• Only ground the mounting frames of the PV modules.
• The neutral conductor of the AC output is not bonded to ground within the product. When
connecting a utility grid without neutral conductor, N and PE of the AC terminal must be
bridged.
PV modules with a high capacity to ground must only be used if the coupling capacity of all PV
modules does not exceed 6μF.
All components must remain within their permitted operating ranges and their installation
requirements at all times.
The product is approved for the US and Canadian market.
Use SMA products only in accordance with the information provided in the enclosed
documentation and with the locally applicable laws, regulations, standards and directives. Any
other application may cause personal injury or property damage.
Alterations to SMA products, e.g., changes or modifications, are only permitted with the express
written permission of and according to the instructions from SMA Solar Technology AG.
Unauthorized alterations can be dangerous and lead to personal injury. In addition, an
unauthorized alteration will void guarantee and warranty claims and in most cases terminate the
operating license. SMA Solar Technology AG shall not be held liable for any damage caused by
such changes.
Any use of the product other than that described in the Intended Use section does not qualify as
appropriate.
The enclosed documentation is an integral part of this product. Keep the documentation in a
convenient, dry place for future reference and observe all instructions contained therein.

2 Safety SMA Solar Technology AG
Operating manualSTPxx-US-50-BE-en-1112
This document does not replace any regional, state, provincial, federal or national laws, regulations
or standards that apply to the installation, electrical safety and use of the product. SMA Solar
Technology AG assumes no responsibility for the compliance or non-compliance with such laws or
codes in connection with the installation of the product.
The type label must remain permanently attached to the product.
2.2 IMPORTANT SAFETY INSTRUCTIONS
Keep the manual for future reference.
This section contains safety information that must be observed at all times when working.
The product has been designed and tested in accordance with international safety requirements. As
with all electrical or electronical devices, some residual risks remain despite careful construction. To
prevent personal injury and property damage and to ensure long-term operation of the product,
read this section carefully and observe all safety information at all times.
DANGER
Danger to life due to electric shock when live components or DC cables are
touched
When exposed to light, the PV modules generate high DC voltage which is present in the DC
cables. Touching live DC cables results in death or lethal injuries due to electric shock.
• Do not touch non-insulated parts or cables.
• Disconnect the product from voltage sources and ensure it cannot be reconnected before
working on the device.
• Do not disconnect the DC connectors under load.
• Wear suitable personal protective equipment for all work on the product.
DANGER
Danger to life due to electric shock from touching an ungrounded PV module
or array frame
Touching ungrounded PV modules or array frames results in death or lethal injuries due to electric
shock.
• Connect and ground the frame of the PV modules, the array frame and the electrically
conductive surfaces so that there is continuous conduction. Observe the applicable local
regulations.

2 Safety
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 13
DANGER
Danger to life due to electric shock when touching live system components in
case of a ground fault
If a ground fault occurs, parts of the system may still be live. Touching live parts and cables
results in death or lethal injuries due to electric shock.
• Disconnect the product from voltage sources and ensure it cannot be reconnected before
working on the device.
• Only touch the cables of the PV modules on their insulation.
• Do not touch any parts of the substructure or frame of the PV array.
• Do not connect PV strings with ground faults to the inverter.
• Ensure that no voltage is present and wait 5 minutes before touching any parts of the PV
system or the product.
DANGER
Danger to life due to electric shock in case of overvoltages and if surge
protection is missing
Overvoltages (e.g. in the event of a flash of lightning) can be further conducted into the building
and to other connected devices in the same network via the network cables or other data cables
if there is no surge protection. Touching live parts and cables results in death or lethal injuries due
to electric shock.
• Ensure that all devices in the same network are integrated in the existing overvoltage
protection.
• When laying the network cable outdoors, ensure that there is suitable surge protection at
the network cable transition from the product outdoors to the network inside the building.
• The Ethernet interface of the product is classified as "TNV-1" and offers protection against
overvoltages of up to 1.5kV.
WARNING
Risk of injury due to toxic substances, gases and dusts.
In rare cases, damages to electronic components can result in the formation of toxic substances,
gases or dusts inside the product. Touching toxic substances and inhaling toxic gases and dusts
can cause skin irritation, burns or poisoning, trouble breathing and nausea.
• Only perform work on the product (e.g., troubleshooting, repair work) when wearing
personal protective equipment for handling of hazardous substances (e.g., safety gloves,
eye and face protection, respiratory protection).
• Ensure that unauthorized persons have no access to the product.

2 Safety SMA Solar Technology AG
Operating manualSTPxx-US-50-BE-en-1114
WARNING
Danger to life due to electric shock from destruction of the measuring device
due to overvoltage
Overvoltage can damage a measuring device and result in voltage being present in the
enclosure of the measuring device. Touching the live enclosure of the measuring device results in
death or lethal injuries due to electric shock.
• Only use measuring devices with a DC input voltage range of 1000 V or higher.
CAUTION
Risk of fire
• To reduce the risk of fire, connect only to a circuit provided with maximum branch-circuit
overcurrent protection 60A in accordance with the NationalElectricalCode® ANSI/NFPA
70 or the Canadian Electrical Code® CSA C22.1.
CAUTION
Risk of burns due to hot enclosure parts
The enclosure and the enclosure lid may get hot during operation. The DC load-break switch can
not become hot.
• Do not touch hot surfaces.
• Wait until the inverter has cooled down before touching the enclosure or enclosure lid.
CAUTION
Risk of injury due to weight of product
Injuries may result if the product is lifted incorrectly or dropped while being transported or
mounted.
• Transport and lift the product carefully. Take the weight of the product into account.
• Use the carrying handles or hoist when transporting the product. To attach the hoist system,
eye bolts must be screwed into the threads provided, which are located on the right and left
of the product's mounting lugs.
• Wear suitable personal protective equipment for all work on the product.
NOTICE
Damage to the enclosure seal in subfreezing conditions
If you open the product when temperatures are below freezing, the enclosure seals can be
damaged. Moisture can penetrate the product and damage it.
• Only open the product if the ambient temperature is not below -5°C.
• If a layer of ice has formed on the enclosure seal when temperatures are below freezing,
remove it prior to opening the product (e.g. by melting the ice with warm air).

2 Safety
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 15
NOTICE
Damage to the product due to sand, dust and moisture ingress
Sand, dust and moisture penetration can damage the product and impair its functionality.
• Only open the product if the humidity is within the thresholds and the environment is free of
sand and dust.
• Do not open the product during a dust storm or precipitation.
• Close tightly all enclosure openings.
• Only use listed rain-tight or liquid-tight conduit fittings to attach the conduits to the product.
NOTICE
Damage to the inverter due to electrostatic discharge
Touching electronic components can cause damage to or destroy the inverter through
electrostatic discharge.
• Ground yourself before touching any component.
NOTICE
Manipulation of system data in networks
You can connect the supported SMA products to the Internet. When connected to the Internet,
there is a risk that unauthorized users can access and manipulate the data of your system.
• Set up a firewall.
• Close unnecessary network ports.
• If absolutely necessary, only enable remote access via a virtual private network (VPN).
• Do not use the port forwarding feature. This also applies to the used Modbus ports.
• Disconnect system components from other network components (network segmentation).
NOTICE
High costs due to inappropriate Internet tariff
Depending on use, the data volume of the product transferred via the Internet may vary in size.
The data volume depends, for example, on the number of devices in the system, the frequency of
device updates, the frequency of data transfer to SunnyPortal or the use of FTP push. High costs
for the Internet connection can be the result.
• SMA Solar Technology AG recommends using an Internet flat rate.
NOTICE
Damage to the product due to cleaning agents
The use of cleaning agents may cause damage to the product and its components.
• Clean the product and all its components only with a cloth moistened with clear water.

2 Safety SMA Solar Technology AG
Operating manualSTPxx-US-50-BE-en-1116
Communication disturbances in the local network
The IP address range 192.168.12.0 to 192.168.12.255 is occupied for communication
amongst SMA products and for direct access to SMA products.
Communication problems might occur if this IP address range is used in the local network.
• Do not use the IP address range 192.168.12.0 to 192.168.12.255 in the local network.
DHCP Server is recommended.
The DCHP server automatically assigns the appropriate network settings to your nodes in the
local network. A manual network configuration is therefore not necessary. In a local network,
the Internet router is usually the DHCP server. If the IP addresses in the local network are to be
assigned dynamically, DHCP must be activated in the Internet router (see the Internet router
manual). In order to receive the same IP address by the internet router after a restart, set the
MAC address binding.
In networks where no DHCP server is active, proper IP addresses must be assigned from the
free address pool of the network segment to all network participants to be integrated during
commissioning.
A country data set must be set for feed-in operation
A country data set must be set (e.g. via the product commissioning wizard or a System
Manager) in order for the inverter to start feed-in operation during commissioning.
If no country data set is set, then feed-in operation will be stopped. This state is signaled by the
green and red LEDs flashing simultaneously.
The inverter will automatically start feed-in operation only after the inverter configuration is
completed.
The country data set must be set correctly.
If you select a country data set which is not valid for your country and purpose, it can cause a
disturbance in the PV system and lead to problems with the grid operator. When selecting the
country data set, you must always observe the locally applicable standards and directives as
well as the properties of the PV system (e.g. PV system size, grid-connection point).
• If you are not sure which standards and directives are valid for your country or purpose,
contact the grid operator.
Electrical installations (for North America)
All installations must conform with the laws, regulations, codes and standards applicable in the
jurisdiction of installation (e.g. National Electrical Code® ANSI/NFPA 70 or Canadian
Electrical Code® CSA-C22.1.).
• Before connecting the product to the utility grid, contact your local grid operator. The
electrical connection of the product must be carried out by qualified persons only.
• Ensure that the cables or conductors used for electrical connection are not damaged.

3 Scope of delivery
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 17
3 Scope of delivery
Figure 1: Components included in scope of delivery
Position Quantity Designation
A 1 Inverter
B 1 Mounting bracket
C 2 Bolt M5 x 14
D 6 Positive DC connector
E 6 Negative DC connector
F 6 Sealing plug for unused negative DC inputs
G 6 Sealing plug for unused positive DC inputs
H 1 Equipment grounding bar
I 2 Bolt M5 x 18
J 2 Washer
K 2 Split lock washer
L 1 Jumper
M 1 3-pole terminal block
N 1 4-pole terminal block
O 1 5-pole terminal block

3 Scope of delivery SMA Solar Technology AG
Operating manualSTPxx-US-50-BE-en-1118
Position Quantity Designation
P 1 Quick reference guide with password label on the rear side
The label contains the following information:
• PIC (Product Identification Code) identification key for
registering the system in SunnyPortal
• RID (Registration Identifier) registration ID for registering the
system in SunnyPortal
• Wi-Fi password WPA2-PSK (WiFi Protected Access 2 -
Preshared Key) for direct connection to the product via Wi-Fi
• Device Key (DEV KEY) for resetting the administrator password
Q 1 Production test report

4 Product Overview
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 19
4 Product Overview
4.1 Device Configuration
It is possible to use and configure the Sunny Tripower X either as a System Manager or as a
subordinate inverter.
When using a Sunny Tripower X as System Manager, you can integrate up to four additional SMA
inverters and one SMA energy meter in a system.
Inverter as System Manager
If you configure the inverter as System Manager, the inverter as a higher-level device in conjunction
with an energy meter takes over the control at the point of interconnection and can receive control
signals. The inverter can control other subordinate devices, takes over the monitoring of the system
and the communication to the Sunny Portal powered by ennexOS.
Inverter as subordinate
If you configure the inverter as a subordinate device, it does not take over control. The subordinate
inverter receives specifications from the System Manager (e.g. an SMA Data Manager) and
implements them. Before a subordinate inverter can be recorded in a System Manager, you must
commission all subordinate devices.

4 Product Overview SMA Solar Technology AG
Operating manualSTPxx-US-50-BE-en-1120
4.2 System overview
4.2.1 Sunny Tripower X as System Manager
Figure 2: System with Sunny Tripower X as System Manager and one energy meter