SMA SUNNY BOY 3800-US User manual

SB30-40-BA-eng-BUS121010 | TBUS-SB3_4US | Version 1.0
CA
US
PV Inverter
SUNNY BOY 3000‑US⁄3800‑US⁄4000‑US
User Manual

SMA America, LLC Legal Restrictions
User Manual SB30-40-BA-eng-BUS121010 3
Copyright © 2012 SMA America,LLC. All rights reserved.
No part of this document may be reproduced, stored in a retrieval system, or transmitted, in any form
or by any means, electronic, mechanical, photographic, magnetic or otherwise, without the prior
written permission of SMA America,LLC.
Neither SMA America,LLC nor SMA Solar Technology Canada Inc. makes representations, 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 warranties are expressly disclaimed. Neither SMA America,LLC nor
its distributors or dealers nor SMA Solar Technology Canada Inc. 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
SMAAmerica,LLC and SMA Solar Technology Canada Inc. reserve the right to make changes
without notice and 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.
All trademarks are recognized even if these are not marked separately. Missing designations do not
mean that a product or brand is not a registered trademark.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and
any use of such marks by SMA America,LLC and SMA Solar Technology Canada Inc. is under
license.
SMA America, LLC
3801 N. Havana Street
Denver, CO 80239 U.S.A.
SMA Solar Technology Canada Inc.
2425 Matheson Blvd. E
8th Floor
Mississauga, ON L4W 5K5
Canada

Important Safety Instructions SMA America, LLC
4 SB30-40-BA-eng-BUS121010 User Manual
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions for the following products:
• Sunny Boy 3000‑US⁄3800‑US⁄4000‑US
This manual must be followed during installation and maintenance.
The product is designed and tested in accordance with international safety requirements, but as with
all electrical and electronic equipment, certain precautions must be observed when installing and/or
operating the product. To reduce the risk of personal injury and to ensure the safe installation and
operation of the product, you must carefully read and follow all instructions, cautions and warnings
in this manual.
Warnings in this Document
A warning describes a hazard to equipment or personnel. It calls attention to a procedure or practice,
which, if not correctly performed or adhered to, could result in damage to or destruction of part or all
of the SMA equipment and/or other equipment connected to the SMA equipment or personal injury.
Symbol Description
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.
NOTICE is used to address practices not related to personal injury.

SMA America, LLC Important Safety Instructions
User Manual SB30-40-BA-eng-BUS121010 5
Markings on this Product
The following symbols are used as product markings with the following meanings.
Symbol Description
Warning regarding dangerous voltage
The product works with high voltages. All work on the product must only be
performed as described in the documentation of the product.
Beware of hot surface
The product can become hot during operation. Do not touch the product during
operation.

General Warnings SMA America, LLC
6 SB30-40-BA-eng-BUS121010 User Manual
General Warnings
General Warnings
All electrical installations must be in accordance with the local and NationalElectrical Code®
ANSI/NFPA 70 or the Canadian Electrical Code® CSAC22.1. This document does not and is not
intended to replace any local, state, provincial, federal or national laws, regulations or codes
applicable to the installation and use of the product, including without limitation applicable
electrical safety codes. All installations must conform with the laws, regulations, codes and
standards applicable in the jurisdiction of installation. SMA assumes no responsibility for the
compliance or noncompliance with such laws or codes in connection with the installation of the
product.
The product contains no user-serviceable parts except for the fan on the bottom of the enclosure and
the handle covers on the sides of the unit. For all repairs and maintenance, always return the unit to
an authorized SMA Service Center.
Before installing or using the product, read all of the instructions, cautions, and warnings in this
manual.
Before connecting the product to the power distribution grid, contact the local utility company. This
connection may only be performed by personnel.
Wiring of the product may only be performed by qualified personnel.

SMA America, LLC Table of Contents
User Manual SB30-40-BA-eng-BUS121010 7
Table of Contents
1 Information on this Document. . . . . . . . . . . . . . . . . . . . . . . 9
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.1 Intended Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Sunny Boy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 Type Labels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.3 DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.4 Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.5 Arc-Fault Circuit Interrupter (AFCI) . . . . . . . . . . . . . . . . . . . . . . 19
4 Operating the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.1 LED Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.2 Measurement Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.3 Display Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.3.1 Status Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.3.2 Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.3.3 Resetting "Error AFCI" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Table of Contents SMA America, LLC
8 SB30-40-BA-eng-BUS121010 User Manual
6 Cleaning and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.1 Checking the Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.2 Checking the DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . 31
6.3 Cleaning the Inverter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.4 Cleaning the Fan Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.5 Cleaning the Ventilation Grids . . . . . . . . . . . . . . . . . . . . . . . . . 33
7 Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . 34
8 Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

SMA America, LLC 1 Information on this Document
User Manual SB30-40-BA-eng-BUS121010 9
1 Information on this Document
Validity
This document is valid for the following device types:
Target group
This document is intended for end users.
Additional information
Additional information is available at www.SMA-America.com.
Symbols
• SB 3000US • SB 3000US-12
• SB 3800-US-10 • SB 3800-US-12
• SB 4000US • SB 4000-US-12
Symbol Description
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.
NOTICE is used to address practices not related to personal injury.
Indicates information that is important for a specific topic or objective, but is
not safety-relevant.
☐ Indicates a requirement for meeting a specific goal.
☑ Desired result
✖ A problem that could occur

1 Information on this Document SMA America, LLC
10 SB30-40-BA-eng-BUS121010 User Manual
Typography
Nomenclature
The following nomenclature is used in this document:
Abbreviations
Typography Usage Example
"light" • Display messages
• Parameters
•Terminals
•Slots
• The inverter switches to
"Balanced" mode.
bold • Elements to be selected
• Elements to be entered
• Select the FanTest parameter and
set to 1.
Complete designation Designation in this document
SMA Solar America, LLC SMA
SMA Solar Technology Canada Inc. SMA
Sunny Boy 3000US/3800-US/4000US Inverter/Sunny Boy
Abbreviations Designations Explanations
AC Alternating Current ‒
AFCI Arc-Fault Circuit Interrupter ‒
DC Direct Current ‒
LED Light-Emitting Diode ‒
MPP Maximum Power Point ‒
MPPT Maximum Power Point Tracker ‒
OCU Operational Control Unit ‒
PV Photovoltaics ‒