SMA Sunny Boy SB 700U Bedienungsanleitung

Sunny Boy SB 700U

Installation Guide Version 1.1 SB700U-11:SE3207

TBE-SB07U

ii SMA America SB700U-11:SE3207

SB700U-11:SE3207 SMA America iii

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, Inc.

SMA America 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 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 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.

SMA America, Incorporated

12438-C Loma Rica Drive

Grass Valley, California 95945

Tel 530.273.4895

Fax 530.274.7271

www.sma-america.com

Revision History

Rev.

No.

Date By Reason

0.1 Sept. 2, 2003 Mike Brazil Alpha draft

0.2 Oct. 16, 2003 Mike Brazil Beta draft

0.3 Nov. 12, 2003 Jeffrey Philpott Preliminary Release

1.0 March 22, 2004 Gerald Salisbury First official version

1.1 March 2, 2007 Diana Welzel Adjustment for new Certification

iv SMA America SB700U-11:SE3207

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

This manual contains important instructions for the Sunny Boy 700U 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.

Safety and Hazard Symbols

This symbol is used to call attention to important information that you

must have when installing and/or operating the Sunny Boy. Failure

to read and follow instructions marked with this symbol could result

in injury or death and/or damage to the equipment.

This symbol appears beside instructions and warnings that deal with

dangerous voltages that can injure or kill people who come in

contact with them.

This symbol appears beside instructions, cautions, and warnings that

deal with portions of the equipment that can operate at temperatures

high enough to cause burns.

SB700U-11:SE3207 SMA America v

Cautions and Warnings

WARNING:A Warning describes a hazard to person-

nel. 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.

CAUTION:A Caution describes a hazard to equipment. It

calls attention to an operating procedure or practice, which,

if not correctly performed or adhered to, could result in dam-

age to or destruction of part or all of the SMA equipment

and/or other equipment connected to the SMA equipment.

Warnings and Cautions may also be accompanied by one or more of the safety

and hazard symbols described above to indicate the type of hazard described

therein.

Other Symbols

In addition to the safety and hazard symbols described on the previous pages, the

following two symbols are also used in this Installation Guide:

This symbol accompanies notes that call attention to supplementary

information that you should know and use to ensure optimal

operation of the system.

This symbol appears beside terminations that are connected to earth-

ground.

vi SMA America SB700U-11:SE3207

General Warnings

All electrical installations must be done in accordance with the

local and National Electrical Code ANSI/NFPA 70.

The Sunny Boy contains no user-serviceable parts. Always return

the unit to an authorized SMA Service Center for repairs and

maintenance.

Before installing or using the Sunny Boy, read all of the

instructions, cautions, and warnings on the Sunny Boy, the PV

array, and in this Installation Guide.

You must not connect the Sunny Boy to the electrical utility grid

until you have received prior approval from the utility company.

This connection must be made only by qualified personnel.

PV arrays produce electrical energy when exposed to light and

thus can create an electrical shock hazard. Completely cover the

surface of all PV-arrays with opaque (dark) material before wiring

them.

The Sunny Boy has a heat sink on its top surface to help cool the

internal components. This heat sink can reach temperatures as

high as 158° F (70° C). To avoid the risk of burns, never touch

the Sunny Boy’s heat sink while the unit is in operation.

Warranty

All Sunny Boy SB 700U inverters sold in the USA have a five-year warranty, as

indicated on the warranty card included in the Sunny Boy shipping container. For

warranty coverage, or if you have questions about the Sunny Boy warranty, contact

SMA America at the address, telephone number, or Web site listed on page iii (to

send E-mail, see the Contact section of the SMA America Web site).

SB700U-11:SE3207 SMA America vii

Contents

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii

Safety and Hazard Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iv

Cautions and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Other Symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

General Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vi

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vi

1 Introduction

Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

2 Unpacking and Inspection

3 Mounting the Sunny Boy

Choosing a Mounting Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Dimensions and Recommended Clearances . . . . . . . . . . . . . . . . . . . 3-4

Mounting Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

4 Wiring and Connecting the Sunny Boy

Sequence of Connecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Sunny Boy 700U Internal Components . . . . . . . . . . . . . . . . . . . . . . . 4-3

Opening the Sunny Boy 700U . . . . . . . . . . . . . . . . . . . . . . 4-3

Locating Internal Components . . . . . . . . . . . . . . . . . . . . . . . 4-3

Wiring the AC Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

AC Connection Requirements . . . . . . . . . . . . . . . . . . . . . . . 4-6

Connecting the AC Wires . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8

Wiring the DC Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10

DC Connection Requirements . . . . . . . . . . . . . . . . . . . . . . 4-10

Configuring the DC Input-Voltage Range . . . . . . . . . . . . . . 4-11

Connecting the DC Wires . . . . . . . . . . . . . . . . . . . . . . . . . 4-15

Connecting Communication Cables . . . . . . . . . . . . . . . . . . . . . . . . 4-18

RS-485 Communication . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18

Replacing the Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20

5 Commissioning

viii SMA AmericaSB700U-11:SE3207

6 Displays and Messages

LED Operation Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

LED Fault Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6

Status Messages on the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11

Sunny Display Language Selection . . . . . . . . . . . . . . . . . . 6-15

Communication Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16

Measuring Channels and Messages . . . . . . . . . . . . . . . . . . . . . . . . 6-18

Measuring Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18

Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19

Sunny Boy 700U Operating Parameters . . . . . . . . . . . . . . 6-20

7 Troubleshooting

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Error messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

8 Technical Specifications

FCC Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

Sunny Boy Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3

Trip Limits / Trip Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5

Torque Values and Wire Sizes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5

SB700U-11:SE3207 SMA America 1-1

Section 1:

Introduction

This installation guide provides all the information needed to mount, wire, and

commission a Sunny Boy 700U grid-tied photovoltaic (PV) inverter.

Note:To help avoid problems during the installation, fa-

miliarize yourself with the installation process by reading

the entire Installation Guide before starting the installa-

tion.

WARNING:Lethal voltages are present at various

points in a PV system. For safety reasons, it is rec-

ommended that only trained professionals attempt

to install this equipment.

1-2 SMA America SB700U-11:SE3207

Product Overview

The Sunny Boy is a DC to AC grid-tied utility interactive inverter for use with

photovoltaic (PV). The SB 700U is additionally UL listed for the use with fuel cell,

wind turbine and other sources of DC power.

In general, the Sunny Boy takes power from a DC source (PV modules) and converts

it to AC power for the utility grid. This power is delivered first to local loads

(household appliances, lights, motor loads, etc.), with any excess power fed to the

utility. The power consumed by the local loads reduces the power needed from the

utility. Excess power may actually “spin the utility meter backwards” depending on

the type of meter in your system. This power may also be recorded as power credits

by the utility company depending on the interconnection agreement. An example of

basic system components is shown in Figure 1-1 (page 1-2).

Figure 1-1 Sunny Boy 700U Installed in a Utility Interactive PV System

Note:Policies vary from one utility company to another. Con-

sult with a representative of the local utility company before

planning and installing a PV system.

PV Array

Sunny Boy 700U

Utility Grid

Meter

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