SMA SUNNY BOY 3.0-US User manual

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a
User Manual
SUNNY BOY 3.0-US / 3.8-US / 5.0-US /
6.0-US / 7.0-US / 7.7-US
ENGLISH SBxx-US-1 XP-41-BA-en-11 | Version 1.1
SMAA-0000656

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Legal Provisions SMA. Salar Technolagy AG
Legal Provisions
The information contained in these documents is the property of SMA Solar Technology AG. No
part of this document mary be reproduced, stored in a retrieval sysiem, 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 Technolagy 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
iwith no limitation} any implied warranties of utility, merchantability, or fitness for ony 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 uncer 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 aitempt 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 io make changes
to these specifications without advance notice, or per contract provisions in those cases where a
supply agreement requires advance notice. SMA Solar Technology AG shall not be responsible for
any damages, including indirect, incidental or consequential damages, caused by reliance on the
material presented, inclucling, but nat limited to, omissions, typographical errors, arithmetical errors
or listing errors in the content material.
SMA Warranty
You can download the current werranty conditions from the Internet at www. SMA-Solar.com.
Software Licenses
The licenses for the installed software modules fopen source] can be found in the user interface of
the product.
Trademarks
All tracemarks are recognized, even if nat explicitly identified as such. Missing designations do not
mean that a product or brand is not a registered trademark.
SMA Solar Technology AG
Sonnenallee |
34246 Niestetal
Germany
Tel. [phone]
Fax [phone]
www. SMAde
Email: info@SMA. cle
Status: 1/15/2020
Copyright © 2019 SMA Solar Technology AG. All rights reserved.
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SMA, Solar Technology AG Table of Contents
Table of Contents
1 information Sri this DDOCUITION 1. cccocosscanecvcccoscrsrnsscccocsertrencocsecas §
| Validity oc cc ceeceerenscneeeecerenscneneeee renner resseneseneseesoneusenereesoneasene serene sesseneseneteosentesenered 3
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1.3 Content and Structure of this Document occ cceccecsesetscseseeesesercesereesesareesetarseseraetes 5
14 Levels of Warning Messages occ ieee eseceesteesteseseetesesteeseataceaseseseaneteasesensanaenses 5
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Li Designation in the document .occcsscsesscvessscnesecvensneneneevenssveveeaveneneeveseavenenesveneavenens a
1.8 Ardeditional Information oo. ccccccscsecscseecsesecessscecestacsesecacsesssacsesececseseceseresseteceataceeratacsens 7
2 SabGHY ou... sesscsscsnssenconcsssessencsscscsnssenscccsacessesacsaceessstsessasssssssesee OG
2.1 Iriferichecd Use occ ccsessssecseseressesacseneresssecvevazucssssevssenecsssercesstacseneucsssecvesasecseseceavanecsens g
2.2 IMPORTANT SAFETY INSTRUCTIONS occ cccscseseceesesacsecenscesteceesenssseseceeseaeenens g
3 Prod © j 13
re uct Very lieve RBRARSVOBSCSGGSSAARAESSCSBGSSSRTERSKRESGSGSHARASKSASKCSBHGOSSHSATARASHGESCGGSSAAeVeVWe os
3.) Product Descriplion so ccccseecsesesesesecnsseseeneseaneseseeveseaesenseveseeveneseareneseeveseaveneneereneavenene 13
3.2 Symbols on the Product ccc cecseevenseeecsnseeessaeavenseeessacsvensevavsnsevesevavensevensavavanses 14
ag Interfaces arid FUNCHOMS co cecccccsccccecssccceceeesesvasseecsstscsessnecsssssuce sessucessusecssaessseseesseteas ees 15
3.4 LED Signals oc scseecsesscseesseriessserscssesserscssessersscssesacssessesecacassseneescantes Z|
3.5 Displery Messciges cece es eceeseseeeessecereessesssansensssesetansesessesatunsasesanansesunsasaniasesinsasananses 22
4 © i 24
peration DOOSPSH RHEE OE OOTE ATES HE OM OSOS EERE HE OO OOOGESERHE OM OOOSHAER EE OH OOSREOES EE OHOOSOEREE
A,| Activating and Operating the Display... csc cescesenserenserensecerensereesereresenensereres 24
4.2 Establishing a connection to the user Inlertace oc ccceceenereeeenesveseeereenesveneeeevenes 24
4.2.1 Establishing a Direct Connection via Ethernet oo. ee seeeeeeeneeee 24
4.2.2 Establishing a direct connection via WLAN Joes ceneatane 25
4.2.3 Establishing a Connection vie Ethernet in the local network o.oo. 26
4.2.4 Establishing a Connection via WLAN in the Local Network... 27
4.3 Logging In and Out of the User Interface. ec ccec ese eesee sees stacensutenestatenausensnaenaee 23
4.4 Start Page Design of the User Interface... ccc ccecns cree rcecersscenenncensrnenenceesetensenes 36
Wo Displaying and Downloading ihe Stored Data sceseesceeteeseneotceeresreneosctersateneoe 33
4.6 Activating the Smart Inverter Screen... cesscssccsesesesesecsesesecnrsesncstnecnrsesnesenecneseanesnd 33
47 Starting the Installation Assistant .......ccccseessceseeveneaveneneevenecreveseaveneneereneaveneneereneavenene 34
AS Secure power supply Operon ie veces cen seceesececenseeeesacsceesersvensevessevavensevesevaaney 35
4.8.1 Enable secure power supply Operon voc ccscesscsesesteneeteneneeteneneane 35
4.8.2 Disable secure power supply operalion oc cscs sscnescssesecsenesserectes 36
A Activate WPS FUunchon...ccccscscsceseccessorersoeccessasereoecseasoreassscsereceesessecsrsececeaecsenseseneres 34
4.190 Switching WLAN On and Of nce sncrencscessrencecserececnesnoerecsenenerenesenenes 37
4.11 Switching the Dynamic Power Display Ol cece scsesrecseeserseenseneesecacenseceesesaeenses 38
User Manual SBxx-LES-1 XP-4]-BA-en-1 | 3
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Table of Contents SMA. Salar Technolagy AG
4.12 Changing the Password. cccsssserseserseseressesesersesessseserisesecnseseseseruseseatseranses 38
4.13 Changing Operating Parameters... i ceeesccceseceeseseeeeseceeneseeseseteeneseesseseenseeeasaes 38
4.14 Contiguring the Country Dato Setusecsceceeescessesssesseesseseessneesssserstesnsssseesneeesaes 39
4.15 Configuring the Rapid Shutdown Function ooo cscecseseerssseerseenasrereseeesserenees AQ
4.16 Changing the Operating Mocle of the Multifunction Relay 0.0. cscs 4]
4.17 — Contiguring the Modbus Functor... ise ereserensnserensererestaressnseresteresenterestaresens 42
4.18 Setting SMA Shade Fix ce eeesere sees canseeeesesecansecaesesetsevecsnenetsneeeateneaaes 43
4.19 Deactiveting the Arc-Fault Circuit Interrupter (APCH crore Add
4.20 Saving the Configuration in a File cessesecessenesectenessenssussensesenssueentesenenes 44
4.21 — Adopting a Configuration frorn a File... ccsscssecssesesesescseeseseseeereseceeseseresnes 44
4.22 Updating the Firmware icc sesessesnsssensntetestunesessnensscarsstanesastenesiviesnatarsatanereet 44
Cleaning the Inverter .........cssseccsccssssssressscossssessssccesssssesesscossss OF
©
Troubleshooting.....ccocsssscccccssrsansesccssrasstnsossoastannersocaseantevsoesoeens 4S
&. | Forgotten Password... cscscesscssesserssesesesseresscsesesseressessesscssessestcscssessesesseanes 48
6.2 Event MESSCges .ccsccoeeccesscrcsererseseseevensssesesersensssronsersesecrcoeseecesasersessevesesersesssersserseses 4?
6.3 Checking the PV System for Grouncd Faults 0 cc scesnsssesecncsnsennesecacsnsesnesesacannes 67
7 ACCeSsoI ies BOSSHRRALOLISSHSH SARAH GS GHSHGRRRROSSSGHGSSRRAOHOSEHSHRRLRLLISHHTH SARAH SSHHSEAR y 2
Compl ance Into: mation .. PRORREHOHOOSCRECES EK OD PRORREHOHOOSCRECES EK OD Treen d 3
i oon es ooeg Ea oon es goog & ooo *
5 Contact EBEEOODTO SECS ESOS OTSA SASH EHE OS OS ESAREE SHOT SR OSES EE GHODOPESERHE HE OTTO SHEA ESSE OSES EOES 7 4
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SMA Solar Technology AG 1 Information on this Document
1 Information on this Document
1.1 Validity
This document is valid for:
° $B3.0-1SP-US-41 (Sunny Boy 3.0-US} from firmware version 03.01.00.R
¢ $B3.8-1SP-US-41 (Sunny Boy 3.8-US} from firmware version 03.01.00.R
* $B5.0-1SP-US-41 (Sunny Boy 5.0-US} from firmware version 03.01.00.R
* §B6.0-1SP-US-41 (Sunny Boy 6.0-US} from firmware version 03.01.00.R
¢ §B7.0-1SP-US-41 (Sunny Boy 7.0-US} from firmware version 03.01.00.R
° $B7.7-1SP-US-41 (Sunny Boy 7.7-US} from firmware version 03.01.00.R
1.2 Target Group
This document is intended for qualified persons and end users. Only qualitied persons are allowed
to perform the activities marked in this document with a warning symbol and the caption
"Qualitied person". Tasks that do not require any particular qualification are not marked and can
also be pertormed by end users. Qualitied 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 satety information
1.3. Content and Structure of this Document
This document describes the contiguration, 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-Sclar.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.
A DANGER
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
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1 Information on this Document
SMA Solar Technology AG
Indicates a hazardous situation which, if net avoided, could result in minor or moderate injury.
Indicates a situation which, if not avoided, can result in property damage.
1.5 Symbols in the Document
Symbol Explanation
[i] Information that is important fora specific topic or goal, but is not satety-rele-
vant
C] Indicates a requirement for meeting a specitic goal
aI Desired result
x A problem that might occur
* Example
1.6 Typographies in the Document
Typography Use
bold °
[Button] °
[Key]
# e
Messages
Terminals
Elements on a user interface
Elements to be selected
Elements to be entered
Connects several elements to be
selected
Button or key to be selected or
pressed
Placeholder for variable
components (e.g., parameter
names}
1.7. Designation in the document
Complete designation
Sunny Boy
Example
Connect the insulated
conductors to the terminals
X703:1 to X703:6.
Enter 10 in the field
Minutes.
Select Settings > Date.
Select [Enter].
Parameter WCHlHz.Hz#
Designation in this document
Inverter, product
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SMA, Solar Technology AG
1.8 Additional Information
For more information, please go to www.SMA-Solar.com.
Tile ane information content SSC SEES SEES SLES SRS SSeS RR eS SESE ESE See LSE LSS
Mounting, installation, commissioning and decommissioning
"PUBLIC CYBER SECURITY - Guidelines for a Secure PV System
Communication”
"Grid Support Utility interactive inverters"
Information about how to activate and to set the grid supporting fea-
tures c ace recording fo UE Al SAL
Page 7 of 76 PagelD #: 4500
1] information on this Document
Type of information
Installation manual
rE ciency and Derating"
Etficiency and derati ting behavior of i the SMA ir inverters
"Parameters and Measured Values”
Overview of all inverter operating parameters and their configura
tion options
Technical Information
Technical Information
"SMA and SunSpec | } Modbus® interface” Technical Information
information on the Modbus interface
"Modbus® parameters and measured values" Technical Information
Device- “specilic regis! fer HTML file
"SMA SPEEDWIRE FIELDBUS"
User Manual
oBxx-US-
Technical information
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2 Safety SMA. Salar Technolagy AG
2 Satety
2.1 Intended Use
The Sunny Boy is a transformerless PV inverter which converts the direct current of the PV array to
gridcompliant alternating current and feeds if into the utility grid.
The product is suitable for indoor and outdoor use.
The product must only be operated with PV arrays (P¥ modules and cabling] that are approved by
the electrical standards applicable on-site and the National Electrical Cade” ANSI/NFPA 70 or
the Canadian Electrical Cocle” CSA C22.1.
No galvanic isolation
The product is not equipped with a transformer and therefore has no galvanic isolation.
* Do not operate grounded PV modules together with the product. If grounded PV modules
are connected to the product, an event will occur which will appear on the product
display. The eveni will also be displayed, along with the associaied message, in the event
list on the user interlace of the product.
* Only ground the mounting frames of the PY modules.
* The neviral conductor of the AC output is not bonded to ground within the product.
° The neutral conductor of the AC output for secure power supply operation is bonded to
ground within the product.
PV modules with a high capacity to ground may only be used if their coupling capacity does not
exceed 2.5 pF,
To protect the PV system against excessive reverse currents under fault conditions, a DC-side
overcurrent protective device must be connected in accordance with the National Electrical Coc 2
to prevent any short-circuit currents that exceed the ampacity of the DC eleciric circuit or the
maximum series fuse rating of the PV modules. Typically, string fuses are used if more than two
sirings are connected in parallel.
All components must remain within their permitted operating ranges and their installation
requiremenis at all times.
The product is approved for the US and Canadian morket.
Use SMA products only in accordance with the inlormation 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 the SMA products, e.g., changes or modifications, are only permitted with the express
written permission of SMA Solar Technology AG. Unauthorized alterations will void guarantee and
warranty claims and in most cases terminate the operating license. SMA Solar Technology AG
shall not be held liable tor any damage caused by such changes.
Any use of the product other than that described in the Intenced Use section does not quality as the
intended use.
fhe enclosed documentaiion is an integral part of this product. Keep the documentation in a
convenient, dry place for future reference and observe all instructions contained therein.
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SMA Solar Technology AG 2 Safety
This document does not replace and is not intended to replace any local, state, provincial, federal
or national laws, regulations or codes applicable 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
SAVE THESE INSTRUCTIONS
This section contains satety 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, there are residual risks despite caretul construction. To
prevent personal injury and property damage and to ensure long-+erm operation of the product,
read this section carefully and observe all safety information at all times.
A DANGER
Danger to life due to electric shock when live components or DC conductors
are touched
When exposed to light, the PY modules generate high DC voltage which is present in the DC
conductors. Touching live DC conductors results in death or lethal injuries due to electric shock.
¢ Disconnect the product from voltage sources and make sure it cannot be reconnected
before working on the device.
¢ Do not touch noninsulated parts or cables.
¢ Do not remove the terminal block with the connected DC conductors from the slot under
load.
¢ Wear suitable personal protective equipment for all work on the product.
A DANGER
Danger to life due to electric shock when touching live system components in
case of a ground fault
Ifa 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 make sure it cannot be reconnected
before working on the device.
¢ Touch the cables of the PV array on the insulation only.
¢ Do not touch any parts of the substructure or frame of the PV array.
¢ Do not connect PY strings with ground faults to the inverter.
e Ensure that no voltage is present and wait five minutes before touching any parts of the PV
system or the product.
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2 Safety SMA Solar Technology AG
A 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 inverter is classitied as "TNV-1" and offers protection against
overvoltages of up to 1.5 kV.
Danger to life due to fire or explosion
In rare cases, an explosive gas mixture can be generated inside the inverter under fault
conditions. In this state, switching operations can cause a fire inside the inverter or explosion.
Death or lethal injuries due to hot or flying debris can result.
« Do not operate the DC load-break switch on the inverter in the event of ground fault
* Disconnect the PV array from the inverter via an external disconnection device. It there is no
disconnecting device present, wait until no more DC power is applied to the inverter.
¢ Disconnect the AC circuit breaker, or keep it disconnected in case it has already tripped,
and secure it against reconnection.
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 inverter. Touching toxic substances and inhaling toxic gases and dusts
can cause skin irritation, burns or poisoning, trouble breathing and nausea.
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 600 V or higher.
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SMA Solar Technology AG 2 Safety
Risk of burns from hot surfaces
The surtace of the inverter can get very hot. Touching the surface can result in burns.
¢ Mount the inverter in such a way that it cannot be touched inadvertently.
* Do not touch hot surfaces.
¢ Wait 30 minutes for the surface to cool sufficiently.
¢ Observe the safety messages on the inverter.
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.
¢ 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 or disconnect the Power Unit and Connection Unit when temperatures
are below freezing, the enclosure seals can be damaged. Moisture can penetrate the product
and damage it.
¢ Ifa layer of ice has formed on the enclosure seal when temperatures are below freezing,
remove it prior fo opening the product (e.g. by melting the ice with warm air).
* Do not disassemble the Power Unit and Connection Unit unless the ambient temperature is
at least O°C (32°F) and conditions are frosttree.
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.
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2 Safety SMA Solar Technology AG
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 inverters 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.
[i] 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.
e Ensure that the cables or conductors used for electrical connection are not damaged.
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SMA Solar Technology AG 3 Product Overview
3 Product Overview
3.1. Product Description
“Ng os
-F——_&
é = C
Ea
@
D
Figure 1: Design of the inverter
Position Designation
A Power Unit
B Enclosure lid of the Power Unit
C Enclosure lid for the Connection Unit
D Connection Unit
E Warning label with compliance information
F DC load-break switch
G Type label
The type label uniquely identities the inverter. The type label must remain per-
manenily attached to the product. You will find the following information on
the type label:
¢ Inverter device type {Model}
¢ Serial number of the Power Unit (Serial No. Power Unit or S/N Power
Unit)
* Date of manufacture
* Device-specific characteristics
H Fan (only with Sunny Boy 7.0 and 7.7)
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3 Product Overview
Position
SMA. Salar Technolagy AG
Designation
Additional type label
The additional type lobel must remain permanently attached to the product.
You will find the following information on the aclditional type label:
* Device type [Made]
* Inverter serial number [Serial number device or S/N device}
¢ Identification key (PIC} for registration in Sunny Portal
* Registration 1D (RID) for registration in Sunny Porial
* WLAN password (WPA2-PSK} for the direct connection fo the user
interface of the inverter via WWLAN
3.2 Symbols on the Product
14
SESE Explanation Cee ceecrrrcccceeccccececcecmacccecc cence ncn nee ee ec cece ence Ee EE EAI Din te ine ities tigegstie linen inne sities tel sana nh
Beware of elecirical voltage
The product operates at high voltages.
Beware of hot surface
The product can get hot during operation.
Observe ihe documentation
Observe cil documentation supplied with the product.
Observe the documentation
inverter
Tagether with the green LED, this symbol indicates the operating state af the in-
verter.
Data transmission
Together with the blue LED, this symbol indicates the status of the network con-
nection.
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Syebol Expnoenttti(‘(‘(C(<‘CSSSRCRCOOCOCOCOCOCOCOCO@zCOw@*zCO@*CO;zC;w;@*=C;w;*C;éC®;
Equipment Grounding Terminal
This symbol indicates the position for the connection of an equipment ground-
ing concluctor.
UL 1741 and CSA C22.2 No. 197.) are the standards applied by Under
oye Ly US LUSTER writers Loboraiories to the produci jo certily that it meets the requirements of
ihe National Electrical Code™, the Canadian Electrical Code® and
IEEE 1547.
3.3 Interfaces and Functions
The inverter can be equipped or retrofitied with the following interfaces and functions:
User interface for monitoring and configuration
The product is equipped as standard with an integrated webserver, which provides a user interface
for configuring and monitoring the product. The product user interface can be called up via the web
browser if there is an existing conneciion to an end device (e.g. computer, tablet PC or
smariphone}.
Smart Inverter Screen
The Smart Inverter Screen enables you to view the status display and to display the current power
and consumption on the user interface login page. This gives you an overview of the most important
inverter data without having fo log info the user interface.
The Smart Inverter Screen is deactivated by delouli. The Smart Inverter Screen can be activated vio
the user interface once the inverter has been commissioned.
SMA Speedwire
The product is equipped with SMA Speecwire as siandard. SMA Speedwire is a type ol
communication based on the Einernel siandard. SMA Speedwire is designed for a data transler
rate of 100 Mbps and enables optimum communication between Speedwire devices within
sysiems.
The products supports the encrypted system communication with SMA Speedwire Encrypted
Communication. In order to be able to use the Speedwire encryption in the system, all Speedwire
devices, except for the SMA Energy Meter, must support the function SMA Speedwire Encrypted
Communication,
Class 1 wiring methods are fo be used for field wiring connection to the terminals of the
communication interface.
SMA Webconnect
The inverter is equipped with co Webconnect function as standard. The Webconnect function
enables direct data transmission between the inverter and Sunny Portal (online monitoring system
from SMA).
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There ore two Sunny Portal versions: the classical Sunny Portal [httos://www.sunnyportal.com} and
the newly developed Sunny Portal powered by ermexOS (hitps://ennexOS.sunnyportal.com}, Both
systems ditter in their supported functions. With an existing user ancount, you can log into both
portals as well as into Sunny Design (system planning soltware from SMA).
in a Sunny Portal system, up to four inverters with Webconnect function can be displayed together.
A communication product (e.g. SMA Baia Manager) is required for systems with more than four
inverters.
The system must be registered in the classic Sunny Portal if the inverter is integrated into a local
nebvork and connected fo the Internet via this network. With this connection, you have the
possibility to view the data online in real time.
if the inverter is connected to the Internet via the cellular network, you must regisier the system in
Sunny Portal powered by ennexOS. The communication with the inveriers is optimized with regard
to the data volume and availability of the inverter. No data can be viewed in real time. Note thal
the inverter must be equipped with o firmware version 2 3.01.17. for conneciion vic the cellular
network,
WLAN
The product is equipped with a WLAN interlace as stanclard. The inverter is delivered with the
WLAN inierloce activated as standard. If you do not want to use WLAN, you can deactivate the
WLAM interlace.
In addition, the product has a WPS function. The WPS function is for automaticelly connecting the
product to a network fe.g. via router} and establish a direct connection between the product and
an end device.
Expanding the radio range in the WLAN network
in order to expand the raclio range of the inverter in the WLAN nebwork, you can install the
Antenna Extension Kit accessory set in the inverter.
Modbus
The product is equipped with a Modbus interlace. The Modbus interface is deactivated by default
and must be configured as needed.
The Modbus interlace of the supported SMA producis is designed for industrial use - via SCADA
systems, for example - and has the following tasks:
* Remoie query of measured values
* Remote setting of operating porometers
* Selpoint specitications for sysiern control
Module slots
The inverter is stiandard-equipped with two module slots. The module slots are located on the
communication assembly and allow additional modules to be connected {e.g. SMA Sensor
Module}. The modules are available as accessories. The installation of two identical modules is not
permissible.
SMA RS4845 Module
The inverters of type "SBx.x 1SP-US-41" can be retrofittedl with he SMA RS485 Module.
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By installing the SMA RS485 Module, the inverter is able fo communicate with the energy meter of
the SMA Revenue Grace Meter Kit,
Class | wiring methods are to be used for tield wiring connection to the ferminals of the
communication interface.
Antenna Extension Kit
Within the WLAN network, the Antenna Extension Kit enables the radio range of the inverter io be
upgraded {information on assembly and connection see manual of the Antenna Exiension Kit}. The
Antenna Extension Kit can be retrofitted,
SMA Cellular LTE Modern Kit
The inverter can be reirofitted with the SMA Cellular LTE Modem Kit from Hrmware version
OS.O1.17B.
The SMA Cellular LTE Modem Kit allows the direct data transmission between the inverter and the
internet portal Sunny Portal powered by ennexO5 via the cellular network as an aliernative to data
transrnission via Ethernet or ¥VWLAN. In addition, the SMA Cellular LTE Modem Kit enables the
communication between the inverter and the energy meer.
The SMA Cellular LTE Modem Kit transmits up fo four times a day a limited amount of data to
Sunny Portal powered by ennexOS. The standard term of the mobile data plan for the
SMA Cellular LTE Modem Kit is five years. All costs are covered within the term. No additional
costs will be incurred. You have the possibility fo extend the term of the mobile data plan. For this
purpose, contact SMA Solar Technology AG. By using the SMA Cellular LTE Modem Kits, a local
network connection is not absolutely necessary. However, it is recommended to be able to view all
information regarding the system in Suriny Portal powered by ennexOS.
Energy meters in accordance with ANS! C12.20
The inverter type “SBx.x15P-U5-41" can be retrofitted with he SMA Revenue Grade Meter Kit that
in accordance with ANSI C1 2.20 includes an energy meter. The inverier must be equipped either
with the SMA Cellular LTE Modem Kit or SMA RS485 Module to operate the SMA Revenue Grade
Meier Kit. The inverter type "SBx.x- TTPUS-41" is equipped with an energy meter as standard.
The energy meter fultills the accuracy class 0.5 in accordance with ANS] C12.20. The energy
meter is a so called PV production meter intended to measure the generaied energy of the inverter.
The measured values of the energy meter can be used for billing purposes.
Grid Management Services
The inverter is a grid support interactive inverter.
The inverter was tested in accordance with the UL 1741 SA [207 6-09-07] to be compliant with the
source requirements decuments of the states available at the time. For connecting the Inverter io the
utility grid, no additional grid monitoring equipment is necessary. A description of the tested
functions and instructions on the activation and setting of functions can be found in the technical
information "Grid Support Utility interactive Inverters” at www. SMA-Solar.com.
PY Rapid Shutdown Equipment
The inverter is listed as PV Rapid Shutclown Equipment (PYRSE} according to UL 1741.
All DC inputs and AC outputs of this produc? comply with photovoltaic rapid shutdown requiremenis
for controlled conductors outside ihe array.
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A complete PV Rapid Shutdown Sysiem consists of the inverter, PV array disconnect witches, and a
Rapid Shutdown initiation device. The Rapid Shutdown initiation device serves to initiate a rapid
shutdown, The PV Rapid Shutdown Sysiem must limit the DC conductors to < 30 V within
30 seconds.
NOTICE - The inverter's Rapid Shutdown function is initiaied by disconnecting the inverter from the
AC grid voltage, for example, by opening the main PV system AC disconnect. The AC disconnect
that serves as the Rapicl Shutdown initiation device musi be readily accessible and clearly marked
in accordance with National Electrical Code”. The Rapid Shutdown status of the PV sysiem will be
indicated by the On/Olt (Closed/Open} position of this AC disconnect. The Of (Open) position
inclicates that a rapid shutclown has been initiated.
PV array disconnect switches compliant with the SunSpec communication signal tor Rapid
Shutdown systems are installed, the inverter can transmit a SunSpec-compliant “permission to
operate” signal to them vic its DC input conductors. When a rapid shutdown is initiated, the inverier
will stop transmitting the Sunspec signal, When the oun Spec signal is not being received, the PV
array disconnect switches are responsible for reducing line voltages within the PV array in
accordance with National Electrical Code™. in the event of a rapid shutdown via the SunSpec
communication signal, it is important that all PY modules connected to the inverter are always
equipped with Sun Spec-comptiant PV array disconnect switches, olherwise the inverter cannot start
teactin operation. The sum of the siandby voltages of all PY array disconnect switches of a string
must be < 30 ¥ to ensure sale discharging of the DC Hines. In addition, the recommended total
langih of all BC lines of a siting should not exceed 300 m {1000 it}. The toial length detines ihe
length of the entire string wiring inclucling the connection cable of the PV module switch in the string
measured from the positive DC terminol to the negative DC terminal of the inverter}.
A P¥ Rapid Shutdown system can also be installed using PV array disconnect switches initiated in
case of power failures or other means. In these cases, it must be ensured that the P¥ system Rapid
Shutcown initiation device initiates a rapid shutclown of the PV array devices at the same time thai
the inverter is disconnected fram grid voltage.
The PY array disconnect switches must disconnect the PV array from the inverter within a maximum
of 15 seconds after Rapid Shutdown initiation.
The inverter is capable of grid support operation where in case of a power failure or by activating
the AC disconnect, the inverter remains connected to the utility grid for a defined ride-through time
and waits tor voltage recovery. If grid voltage does not recover within the defined ride-through
time, ihe inverter disconnects from the grid and a rapid shutdown is initiated.
The Rapid Shutdown function is disabled by default. The Rapid Shutdown function should only be
enabled when PY array disconnect switches have been installed within the PV arrery or between the
PV array and the inverter. The Rapid Shutdown function can be enabled during or alter inverter
commissioning via the user interlace by selecting the operating mode suitable for the PV array
disconnect switches. ff the Rapid Shutdown function is enabled and no PV array disconnect
switches are installed, the inverter cannot! discharge the connected DC input conductors during a
rapid shutdown. As a result, the inverter can be damaged.
WARNING - THIS PV RAPID SHUTDOWN EQUIPMENT DOES NOT PERFORM ALL OF THE
FUNCTIONS OF A COMPLETE PV RAPID SHUTDOWN SYSTEM. THIS PV RAPID SHUTDOWN
EQUIPMENT MUST BE INSTALLED WITH OTHER EQUIPMENT TO FORM A COMPLETE PV
RAPID SHUTDOWN SYSTEM THAT MEETS THE REQUIREMENTS OF NEC (NFPA 7Q] FOR
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CONTROLLED CONDUCTORS OUTSIDE THE ARRAY. OTHER EQUIPMENT INSTALLED IN OR
ON THIS PY SYSTEM MAY ADVERSLY AFFECT THE OPERATION OF THE PV RAPID SHUTDOWN
SYSTEM. ITIS THE RESPONSIBILITY OF THE INSTALLER TO ENSURE THAT THE COMPLETED PV
SYSTEM MEETS THE RAPID SHUT DOWN FUNCTIONAL REQUIREMENTS. THIS EQUIPMENT
MUST BE INSTALLED ACCORDING TO THE MANUFACTURER'S INSTALLATION MANUAL.
Parallel Operation of the DC Inputs A and B
The DC inputs A and 8 of the inverter can be operated in parallel and up to three strings can be
connected fo it in parallel. As a result, as opposed fo normal operation, up to three strings can be
connected direcily to inverters with two DC inputs and up to four strings to inverters with three DC
inputs. The inverter auiomatically detects the parallel operation of the DC inputs A and B.
Secure power supply operation
You can connect an external outlet and a swiich to the inverter in order to enable the outlet. In case
ofa grid failure, the outlet supplies a ioad with current from the PY sysiem. When the outlet is
enabled vic the switch, the load is supplied with current from the PV system. The inverter
automatically regulates the energy supply of the outlet depending on the solar irradiation on the PV
system. When the outlet is enabled and a load is supplied with current from the PV system, the
inverter is disconnected from the ulility grid and does not feed inio the utility grid.
When using the SMA Rooftop Communication Kit and the T54-O module technology components,
secure power supply operation is only available if an external rapid shutdown initiator and the
swiich for secure power supply operation are connected to the module of the SMA Rooftop
Communication Kit. The switch for secure power supply operation mus? be connected to ihe moclule
in series with a voliage supply of 18 V le.g. two F V batieries}. If an external rapid-shuidown
initiator is used, the AC miniature circuit breaker is no longer the rapic-shutdown initiaier in the
system.
When using T54-F or 154-5 module technology components, secure power supply operation is not
available,
No secure power supply operation when using 154-F and 154-5 module
technology components
if the SMA Rooftop Communication Kit is installed in the inverter and TS.4-F and 154-5 module
technology components are used in the system, the secure power supply operation is no!
available. Secure power supply operation is only available in connection with TS.4.0 module
technology components.
No secure power supply operation when using PV array disconnect switch
as per the SunSpec interoperability specification
The secure power supply operation is not available if the Rapid Shutdown function of the
inverter is enabled and the PV array disconnect switches are used in accordance with the
SunSpec Interoperability Specification.
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|i | Do not connect loads that require a stable electricity supply to the outlet for
secure power supply operation.
Secure power supply operation must not be used for loads thai require a stable electricity
supply. The power available during secure power supply operation depends on the solar
irradiation on the PV system. Therefore, power oulput can fluctuate considerably depending
on the weather or may not be available af ail.
* Do not connect loads te the outlet for secure power supply operation if they ae
depencieni on a stable electricity supply for reliable operation.
Multifunction Relay
The inverter is equipped with a multifunction relay as standard, The multifunction relay is an
interface that can be conligured for the operating mode usec by a particular sysiem.
SMA ShadeFix
The inverter is equipped with the shacle management system SMA ShadeFix. SMA ShadeFix uses
an intelligent MPP tracking system to determine the operating point with the highest output during
shading conditions. With SMA ShaclePix, inverters use the best possible energy supply fram the PV
modules at all times to increase yields in shaded systems. SMA ShacdeFix is enabled by default. The
time interval of SMA ShacleFix is usually six minutes. This rneans that the inverter determines the
optimum opercting point every six minutes. Depanding on the PV system or shading situation, # may
be useful ta adjust the time interval.
String-failure detection
The selilearning string failure detection identifies to which of the three inverter DC inputs the strings
are connected. The selHearning string failure detection identifies if the connected string is
inoperable and is no longer contributing to the energy yield {e.g. due to damages such as a cable
break} and monitors the input to which the defective siring is connected. lf the error persists, an
event will be reported at the latest one cay atter the detection of the detective string. This prevents
partial failures of the PV array from being undetected for a long time and which will result in yield
losses. The seli-dearning string failure detections automatically identities if a string has been repaired
and resets the event. If the detective string should no longer be connected, the event must be reset
manually.
Are-Fault Circuit interrupter (AFCI)
In accordance with the National Electrical Code™, the inverter has a system for DC arc fault
deiection and inierruption. The arc-fault circuit interrupter is listed in accordance with UL 169965
Ed. 1. A detected electric arc causes the inverter to interrupt feec-in operation fer a short time and
to resume the feed-in operation auiomatically. if the installation conditions allow it, you can
deactivate the arc-fauit circuit interrupter.
SMA Smart Connected
SMA, Smeri Connected is the free monitoring of the inverter via the SMA Sunny Portal. Thanks fo
SMA Smart Connected, the PV system operator and qualitied person will be informed automatically
and proactively about inverler events that occur,
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