SMA STP 33-US-41 User manual

SUNNY TRIPOWER
STP33-62-US-41-BA-en-11 | Version 1.1ENGLISH
User Manual
SUNNYTRIPOWER CORE1-US
STP 33-US-41 / STP 50-US-41 / STP 62-US-41

Legal Provisions SMA Solar Technology AG
User ManualSTP33-62-US-41-BA-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.
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
Tel. [phone]
Fax [phone]
www.SMA.de
Email: [email protected]
As of: 6/22/2021
Copyright © 2021 SMA Solar Technology AG. All rights reserved.

Table of Contents
SMA Solar Technology AG
User Manual STP33-62-US-41-BA-en-11 3
Table of Contents
1 Information on this Document................................................. 5
1.1 Validity........................................................................................................................ 5
1.2 Target Group.............................................................................................................. 5
1.3 Content and Structure of this Document ................................................................... 5
1.4 Levels of Warning Messages .................................................................................... 5
1.5 Symbols in the Document .......................................................................................... 6
1.6 Typographical Elements in the Document ................................................................ 6
1.7 Designations in the Document................................................................................... 6
1.8 Additional Information ............................................................................................... 6
2 Safety ........................................................................................ 8
2.1 Intended Use .............................................................................................................. 8
2.2 IMPORTANT SAFETY INSTRUCTIONS.................................................................... 9
3 Product Overview .................................................................... 13
3.1 Product Description .................................................................................................... 13
3.2 Symbols on the Product ............................................................................................. 14
3.3 Interfaces and Functions ............................................................................................ 15
3.4 LED Signals................................................................................................................. 19
4 Operation ................................................................................. 21
4.1 Establishing a connection to the user interface ........................................................ 21
4.1.1 Establishing a Direct Connection via Ethernet ...................................... 21
4.1.2 Establishing a direct connection via WLAN ......................................... 21
4.1.3 Establishing a Connection via Ethernet in the local network ............... 23
4.1.4 Establishing a Connection via WLAN in the Local Network ............... 24
4.2 Logging In and Out of the User Interface................................................................. 24
4.3 Start Page Design of the User Interface.................................................................... 27
4.4 Displaying and Downloading the Stored Data........................................................ 30
4.5 Activating the Smart Inverter Screen......................................................................... 30
4.6 Starting the Installation Assistant............................................................................... 31
4.7 Activate WPS Function............................................................................................... 32
4.8 Switching WLAN On and Off................................................................................... 32
4.9 Switching the Dynamic Power Display Off............................................................... 33
4.10 Changing the Password............................................................................................. 34
4.11 Changing Operating Parameters.............................................................................. 34
4.12 Configuring the Country Data Set............................................................................. 35
4.13 Configuring the Active Power Mode ........................................................................ 35
4.14 Configuring the Rapid Shutdown Function............................................................... 36

Table of Contents SMA Solar Technology AG
User ManualSTP33-62-US-41-BA-en-114
4.15 Changing the Operating Mode of the Multifunction Relay .................................... 37
4.16 Configuring the Modbus Function............................................................................. 38
4.17 Setting SMA ShadeFix............................................................................................... 39
4.18 Generating the I-V Characteristic Curve................................................................... 39
4.19 Activating or Deactivating the Arc-Fault Circuit Interrupter (AFCI) ......................... 40
4.20 Activating String-Failure Detection ............................................................................ 40
4.21 Saving the Configuration in a File............................................................................. 41
4.22 Adopting a Configuration from a File....................................................................... 41
4.23 Updating the Firmware.............................................................................................. 41
5 Clean the product..................................................................... 44
6 Troubleshooting........................................................................ 45
6.1 Forgotten Password.................................................................................................... 45
6.2 Event Messages ......................................................................................................... 46
6.3 Checking the PV System for Ground Faults.............................................................. 61
6.4 Resetting the Operation Inhibition after Detection of an Arc Fault ......................... 65
7 Accessories ............................................................................... 66
8 Compliance Information .......................................................... 67
9 Contact ...................................................................................... 68

1 Information on this Document
SMA Solar Technology AG
User Manual STP33-62-US-41-BA-en-11 5
1 Information on this Document
1.1 Validity
This document is valid for:
• STP 33-US-41 (Sunny Tripower CORE1-US) from firmware version ≥ 3.12.2x.R
• STP 50-US-41 (Sunny Tripower CORE1-US) from firmware version ≥ 3.12.2x.R
• STP 62-US-41 (Sunny Tripower CORE1-US) from firmware version ≥ 3.12.2x.R
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 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, 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 configuration, operation and troubleshooting 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.
CAUTION
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.