SMA sunny boy 2000hf-us User manual

SB20_25_30HFUS-eng-IUS113711 | IMUS-SB20-30HFUS | Version 1.1
CA
US
PVInverter
SUNNYBOY2000HF‑US/2500HF‑US/3000HF‑US
Installation Guide

Knockingontheupperlid: • Activatingthebackgroundillumination • Switchingthroughthepowervaluesofthepast16feed-
inhourstothedailypowervaluesofthepast16days
• Switchingthroughthelinedisplay
Actualoutput
Dailyenergy
Totalenergyfed insincetheSunnyBoywas installed
Event text
BluetoothconnectiontootherSunnyBoys
Inputvoltage/inputcurrent
Gridrelay
Grideventnumber
SunnyBoyeventnumber
Powerreductionduetoexcessivetemperature • Cleanthefan(ifnecessary) • SunnyBoymightneedbetterventilation
PVarrayeventnumber
Powercurve or energy curveofthepast16feed- inhoursorpast16days(switchingthe displayisdonebyknockingonthelid)
Failurethatcanberemovedon-site (seechapter10.3 )
Devicefault PleasecontactSMA.
Outputvoltage/outputcurrent

SMA America, LLC Legal Restrictions
Installation Guide SB20_25_30HFUS-eng-IUS113711 3
Copyright © 2011 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 SB20_25_30HFUS-eng-IUS113711 Installation Guide
IMPORTANTSAFETYINSTRUCTIONS
SAVETHESEINSTRUCTIONS
ThismanualcontainsimportantinstructionsformodelsSunnyBoy2000HF‑US,2500HF‑US,
3000HF‑USinverter,thatmustbefollowedduringinstallationandmaintenanceoftheinverter.
TheSunnyBoyisdesignedandtestedaccordingtointernationalsafetyrequirements,butaswithall
electricalandelectronicequipment,certainprecautionsmustbeobservedwheninstallingand/
oroperatingtheSunnyBoy.Toreducetheriskofpersonalinjuryandtoensurethesafeinstallation
andoperationoftheSunnyBoy,youmustcarefullyreadandfollowallinstructions,cautionsand
warningsinthisinstallation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.
DANGER
DANGER indicates a hazardous situation which, if not avoided, will result in death or
serious injury.
WARNING
WARNING indicates a hazardous situation which, if not avoided, could result in death or
serious injury.
CAUTION
CAUTION indicates a hazardous situation which, if not avoided, could result in minor or
moderate injury.
NOTICE
NOTICE is used to address practices not related to personal injury.

SMA America, LLC Important Safety Instructions
Installation Guide SB20_25_30HFUS-eng-IUS113711 5
Othersymbolsinthisdocument
In addition to the safety and hazard symbols described on the previous pages, the following symbol
is also used in this installation guide:
Markings on this product
The following symbols are used as product markings with the following meanings.
Information
This symbol accompanies notes that call attention to supplementary information that you
must know and use to ensure optimal operation of the system.
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.
Observe the operating instructions
Read the documentation of the product before working on it. Follow all safety
precautions and instructions as described in the documentation.
This inverter is evaluated to UL 1741, which includes assessment to all of the
requirements of IEEE1547 and IEEE1547.1, which are an outgrowth and further
development of the IEEE recommended practices and guidelines contained in IEEE Std.
929-2000. IEEE 929-2000 provides recommendations regarding the proper equipment
and functionality necessary to ensure compatible operation when power generation is
connected to the utility grid. The inverter is additionally evaluated to CAN/CSA C22.2
No. 107.1-1.

General Warnings SMA America, LLC
6 SB20_25_30HFUS-eng-IUS113711 Installation Guide
GeneralWarnings
GeneralWarnings
All electrical installations must be done 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, regulation or codes applicable to the installation and
use of the inverter, 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 inverter.
The Sunny Boy contains no user-serviceable parts except for the fan on the bottom of the
enclosure. For all repair and maintenance always return the unit to an authorized SMA
Service Center.
Before installing or using the Sunny Boy, read all of the instructions, cautions, and warnings
on the Sunny Boy in this installation guide.
Before connecting the Sunny Boy to the power distribution grid, contact the local power
distribution grid company. This connection must be made only by qualified personnel.

SMA America, LLC Table of Contents
Installation Guide SB20_25_30HFUS-eng-IUS113711 7
TableofContents
1 Notes on this manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.1 Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.2 Target group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.3 Additional information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.4 Nomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.1 Appropriate usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3 FCC Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.4 Common utility voltage configurations . . . . . . . . . . . . . . . . . . . 17
3 Unpacking and inspection. . . . . . . . . . . . . . . . . . . . . . . . . 18
3.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2 Identifying the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4 Mounting the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.2 Selecting the wall mounting location . . . . . . . . . . . . . . . . . . . . 20
4.3 Mounting the wall mounting bracket . . . . . . . . . . . . . . . . . . . . 21
4.3.1 Possibilities for mounting the wall mounting bracket . . . . . . . . . . . . . . . . . . . 23
4.3.2 Mounting the wall mounting bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.4 Mounting the SMA DC-Disconnect. . . . . . . . . . . . . . . . . . . . . . 25
4.5 Mounting the Sunny Boy onto the Wall mounting bracket . . . . 27
4.6 Grounding the SMA DC-Disconnect. . . . . . . . . . . . . . . . . . . . . 28
5 Configuring the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . 29
5.1 The Quick Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5.1.1 Country setting via rotary switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.2 Configuring the Quick Module. . . . . . . . . . . . . . . . . . . . . . . . . 33

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8 SB20_25_30HFUS-eng-IUS113711 Installation Guide
5.2.1 Configuration before installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.2.2 Configuration for Bluetooth communication . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.2.3 Closing the Quick Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.3 Mounting the Quick Module . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.4 Configuration after installation . . . . . . . . . . . . . . . . . . . . . . . . . 37
5.4.1 Opening the installed Quick Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
5.5 Disassembling the Quick Module . . . . . . . . . . . . . . . . . . . . . . . 39
6 Wiring the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
6.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
6.2 Lower view of the SMA DC-Disconnect . . . . . . . . . . . . . . . . . . 42
6.3 Connection of the PV array (DC) . . . . . . . . . . . . . . . . . . . . . . . 43
6.3.1 Installing cable conduits and leading cable into the Sunny Boy. . . . . . . . . . 44
6.4 Connection of PV strings without optional string fuses . . . . . . . 46
6.5 Connection of PV strings with optional fuses. . . . . . . . . . . . . . . 50
6.6 Installation of the SMA Plug-in Grounding . . . . . . . . . . . . . . . . 54
6.6.1 Configurable Grounding Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
6.6.2 Parameter "Module grounding prescribed?" or "GndMdt". . . . . . . . . . . . . . 56
6.6.3 Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
6.6.4 Parameter "Prescribed grounding type" or "Md.GndModReq" . . . . . . . . . . 58
6.7 Wiring the AC Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
6.7.1 AC connection safety requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
6.7.2 Connecting the Sunny Boy on the AC side . . . . . . . . . . . . . . . . . . . . . . . . . . 60
6.8 Closing the SMA DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . 62
7 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
8 Opening and closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
8.1 Disconnect the Sunny Boy from Voltage Sources . . . . . . . . . . . 65
8.2 Open SMA DC Disconnect. . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
8.3 Closing the SMA DC-Disconnect . . . . . . . . . . . . . . . . . . . . . . . 67

SMA America, LLC Table of Contents
Installation Guide SB20_25_30HFUS-eng-IUS113711 9
8.4 Lock-Off function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
8.4.1 Secure Sunny Boy against reconnection. . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
8.4.2 Unlocking and switching on the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . 69
9 Maintenance and cleaning . . . . . . . . . . . . . . . . . . . . . . . . 70
9.1 Checking Heat Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
9.1.1 Cleaning the fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
9.1.2 Checking the Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
9.2 Checking the SMA DC Disconnect . . . . . . . . . . . . . . . . . . . . . . 74
9.3 Exchanging fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
9.3.1 Exchanging SMA Plug-in Grounding fuse. . . . . . . . . . . . . . . . . . . . . . . . . . . 74
9.3.2 Replacing optional string fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
9.4 Inspecting and changing the varistors . . . . . . . . . . . . . . . . . . . 80
10 Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
10.1 Green LED is lit or flashes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
10.2 Update Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
10.3 Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
11 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
11.1 Checking the PV array for Ground Fault. . . . . . . . . . . . . . . . . . 88
11.2 Correct Grounding Fuse Fault. . . . . . . . . . . . . . . . . . . . . . . . . . 89
11.3 Correct the Grounding Type. . . . . . . . . . . . . . . . . . . . . . . . . . . 90
11.4 Exchanging Grounding Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . 91
11.5 AC fault. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
12 Decommissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
12.1 Disassembling the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . 92
12.2 Disassembling SMA DC-Disconnect . . . . . . . . . . . . . . . . . . . . . 95
12.3 Disassemble the Sunny Boy for Transport. . . . . . . . . . . . . . . . 100
12.4 Packaging the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
12.5 Storing the Sunny Boy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Table of Contents SMA America, LLC
10 SB20_25_30HFUS-eng-IUS113711 Installation Guide
12.6 Disposing of the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . 100
12.7 Supplementary Information. . . . . . . . . . . . . . . . . . . . . . . . . . . 100
12.7.1 Connect wires to DC terminal block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
12.7.2 Disconnect wires from DC terminal block . . . . . . . . . . . . . . . . . . . . . . . . . . 101
12.7.3 Disconnect wires from AC-terminal block . . . . . . . . . . . . . . . . . . . . . . . . . . 102
13 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
13.1 Torque Values and Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . 105
13.2 Efficiency curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
14 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
15 Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109