SMA SUNNY BOY 3000-US Bedienungsanleitung

SB30-40US-IUS103030 | TBUS-SB30_40US | Version 3.0

PV Inverter

SUNNY BOY 3000-US / 3800-US / 4000-US

Installation Guide

SMA America, LLC Legal Restrictions

Installation Guide SB30-40US-IUS103030 3

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.

SMA America,LLC makes no 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 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 reserves 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 is under license.

SMA America, LLC

3801 N. Havana Street

Denver, CO 80239 U.S.A.

Important Safety Instructions SMA America, LLC

4 SB30-40US-IUS103030 Installation Guide

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

This manual contains important instructions for Sunny Boy 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 guide.

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 SB30-40US-IUS103030 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 it‘s documentation.

Electric arc hazards

The product has large electrical potential differences between its conductors. Arc flashes

can occur through air when high-voltage current flows. Do not work on the product

during operation.

Beware of hot surface

The product can become hot during operation. Do not touch the product during

operation.

Observe the operating instructions

Read the product’s documentation before working on it. Follow all safety precautions

and instructions as described in the documentation.

UL1741 is the standard applied by Underwriters Laboratories to the Sunny Boy to certify

that it meets the requirements of the National Electrical Code® and IEEE-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.

General Warnings SMA America, LLC

6 SB30-40US-IUS103030 Installation Guide

General Warnings

All electrical installations must be done in accordance with the local and National

Electrical Code® ANSI/NFPA 70. For installation in Canada the installations must be done

in accordance with applicable Canadian standards.

The Sunny Boy contains no user-serviceable parts except for the fans on the bottom of the

enclosure and the filters behind the fans as well as the handle covers on the sides of the

unit. 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 electrical utility grid, contact the local utility

company. This connection must be made only by qualified personnel.

Wiring of the Sunny Boy must be made by qualified personnel only.

SMA America, LLC Table of Contents

Installation Guide SB30-40US-IUS103030 7

Table of Contents

1 Notes on this manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.1 Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.2 Target group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.3 Storage of the documentation . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.4 Additional information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.5 Nomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.1 Appropriate usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2.3 Installation overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3 Unpacking and inspection. . . . . . . . . . . . . . . . . . . . . . . . . 15

3.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4 AC Voltage configuration . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.1 Opening the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.2 Locating internal components . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.3 Automatic grid voltage detection . . . . . . . . . . . . . . . . . . . . . . . 19

4.4 Utility configuration jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5 Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.1 Selecting a mounting location. . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.2 Dimensions of the Sunny Boy and DC Disconnect . . . . . . . . . . 26

5.3 Mounting the Sunny Boy with a wall mounting bracket . . . . . . 27

5.3.1 Possibilities for mounting the wall mounting bracket . . . . . . . . . . . . . . . . . . . 28

5.3.2 Mounting the wall mounting bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5.4 Mounting the SMA DC Disconnect. . . . . . . . . . . . . . . . . . . . . . 32

5.5 Mounting the Sunny Boy onto the wall mounting bracket . . . . 32

Table of Contents SMA America, LLC

8 SB30-40US-IUS103030 Installation Guide

6 Electrical connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

6.1 Without SMA DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . 35

6.2 With SMA DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

6.3 Bottom view and dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.4 Opening the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

6.5 Opening the SMA DC Disconnect . . . . . . . . . . . . . . . . . . . . . . 37

6.6 AC wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.6.1 Without SMA DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

6.6.2 With SMA DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

6.7 DC wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

6.7.1 DC connection requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

6.7.2 DC input grounding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

6.7.3 DC wiring without SMA DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

6.7.4 DC wiring with SMA DC Disconnect. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

6.7.5 DC connection with additional DC distribution . . . . . . . . . . . . . . . . . . . . . . . 55

6.8 Communication wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

6.8.1 RS485 communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

6.9 Closing the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.10 Closing the SMA DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . 61

7 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

8 Displays and messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

8.1 LED operation indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

8.2 LED fault indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

8.3 Status messages on the LCD display. . . . . . . . . . . . . . . . . . . . . 69

8.3.1 LCD display language selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

8.4 Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

8.5 Measuring channels and parameters . . . . . . . . . . . . . . . . . . . . 72

8.5.1 Measuring channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

8.5.2 Operating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

SMA America, LLC Table of Contents

Installation Guide SB30-40US-IUS103030 9

8.5.3 Sunny Boy operating parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

9 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

9.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

9.2 Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

10 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

10.1 Cleaning the fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

10.2 Cleaning the handle covers . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

10.3 Checking the DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . 82

10.4 Testing the fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

10.5 Exchanging the fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

10.5.1 Exchanging the GFDI fuse within the Sunny Boy . . . . . . . . . . . . . . . . . . . . . 84

10.5.2 Exchanging PV string fuses within the SMA DC Disconnect . . . . . . . . . . . . . 85

11 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

11.1 FCC compliance information . . . . . . . . . . . . . . . . . . . . . . . . . . 87

11.2 Sunny Boy wiring diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

11.3 Sunny Boy 3000-US. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

11.4 Sunny Boy 3800-US. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

11.5 Sunny Boy 4000-US. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

11.5.1 SMA DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

11.6 Trip limits/trip times. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

11.7 Torque values and wire sizes . . . . . . . . . . . . . . . . . . . . . . . . . . 96

11.8 FCC compliance information . . . . . . . . . . . . . . . . . . . . . . . . . . 96

12 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

13 Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

SMA America, LLC

10 SB30-40US-IUS103030 Installation Guide

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