SMA SUNNY ISLAND 5048-US Stücklistenhandbuch

SI5048U-TUS121440 | TBEN-SI5048U | Version 4.0

Off-Grid Inverter

SUNNY ISLAND 5048-US

Technical Description

SMA America, LLC Legal Restrictions

Technical Description SI5048U-TUS121440 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 doesn‘t make 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 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.

SMA America, LLC

3801 N. Havana Street

Denver, CO 80239 U.S.A.

Important Safety Instructions SMA America, LLC

4 SI5048U-TUS121440 Technical Description

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

This manual contains important instructions for the following products:

• Sunny Island 5048-US

This manual must be followed during installation and maintenance.

The Sunny Island 5048-US 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 Island 5048-US. To reduce the risk of personal injury and to ensure the

safe installation and operation of the Sunny Island 5048-US, 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.

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

Technical Description SI5048U-TUS121440 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 manual:

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.

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 documentation of the product 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 product 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 SI5048U-TUS121440 Technical Description

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 Sunny Island 5048-US, 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 Sunny Island 5048-US contains no user-serviceable parts. For all repair and

maintenance, always return the unit to an authorized SMA Service Center.

Before installing or using the Sunny Island 5048-US, read all of the instructions, cautions,

and warnings in this manual.

Before connecting the Sunny Island 5048-US to the electrical utility grid, contact the local

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

Wiring of the Sunny Island 5048-US must be made by qualified personnel only.

SMA America, LLC Table of Contents

Technical Description SI5048U-TUS121440 7

Table of Contents

1 Notes on this Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.1 Area of validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.2 Target Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.3 Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.4 Nomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2 The Sunny Island 5048U . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.1 Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2.2 At a Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2.3 Scope of Delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

2.4 Required Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . 25

2.5 Identifying the Sunny Island . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

3 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.1 Important Notes regarding Operation . . . . . . . . . . . . . . . . . . . 27

3.2 Potential Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

4 Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

4.1 Selecting the Mounting Location. . . . . . . . . . . . . . . . . . . . . . . . 30

4.2 Mounting the Sunny Island with a Wall Mounting Bracket . . . 33

4.2.1 Mounting the Sunny Island on a Stone Wall . . . . . . . . . . . . . . . . . . . . . . . . 34

4.2.2 Mounting the Sunny Island Using Wall Studs. . . . . . . . . . . . . . . . . . . . . . . . 36

5 Opening and Closing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

5.1 Opening the Sunny Island . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

5.2 Closing the Sunny Island. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6 Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.1 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Table of Contents SMA America, LLC

8 SI5048U-TUS121440 Technical Description

6.2 DC terminal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

6.2.1 Safety Precautions/Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

6.2.2 Cable Sizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

6.2.3 Cable Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

6.2.4 Connecting the Sunny Island to the DC side. . . . . . . . . . . . . . . . . . . . . . . . . 45

6.3 AC Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.3.1 Line Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.3.2 AC1 (Loads/Sunny Boys) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

6.3.3 AC2 (Generator/Grid) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

6.4 Additional Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

6.4.1 Battery Temperature Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

6.4.2 Battery Current Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

6.4.3 Communication for Multi-device Connection . . . . . . . . . . . . . . . . . . . . . . . . 53

6.4.4 Multi-function Relay 1 and 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

6.4.5 BatVtgOut Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6.4.6 DigIn Digital Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6.5 Interface for External Communication. . . . . . . . . . . . . . . . . . . . 60

6.5.1 Connection of the Interface for External Communication . . . . . . . . . . . . . . . 60

7 Control Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

7.1 Display Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

7.2 DC Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

7.3 Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

7.4 Meaning of the Light Emitting Diodes (LED's) . . . . . . . . . . . . . . 65

7.5 SD Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

8 Initial Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

8.1 Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

8.2 Starting the Quick Configuration Guide (QCG). . . . . . . . . . . . 66

8.3 Connecting the Battery Current Sensor. . . . . . . . . . . . . . . . . . . 70

SMA America, LLC Table of Contents

Technical Description SI5048U-TUS121440 9

9 Switching On and Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

9.1 Switching on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

9.2 Stopping (Standby). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

9.3 Switching off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

9.4 Disconnecting the Device from Voltage Sources. . . . . . . . . . . . 74

9.5 Reactivating the Device Following Automatic Shutdown . . . . . 74

10 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

10.1 Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

10.2 Changing Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

10.3 Direct Access (to the parameters). . . . . . . . . . . . . . . . . . . . . . . 81

10.4 Compact Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

10.5 Entering the Installer Password . . . . . . . . . . . . . . . . . . . . . . . . . 85

10.6 Display Messages (Overview) . . . . . . . . . . . . . . . . . . . . . . . . . 87

10.7 Parameter Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

10.8 Display of Events. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

10.9 Display of Warnings and Failures. . . . . . . . . . . . . . . . . . . . . . . 91

11 Archiving Data on an SD Card . . . . . . . . . . . . . . . . . . . . . 92

11.1 Inserting the SD Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

11.2 Removing the SD Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

11.3 Saving and Loading Parameters. . . . . . . . . . . . . . . . . . . . . . . . 96

11.4 Writing Log Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

11.5 Status Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

11.6 Updating the Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

12 Additional Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

12.1 Load Shedding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

12.2 Sleep Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

12.3 Time-Controlled Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Table of Contents SMA America, LLC

10 SI5048U-TUS121440 Technical Description

12.4 Overload and Short-Circuit Behavior . . . . . . . . . . . . . . . . . . . 103

12.5 Device Faults and Autostart . . . . . . . . . . . . . . . . . . . . . . . . . . 103

12.6 Automatic Frequency Control (AFC). . . . . . . . . . . . . . . . . . . . 104

12.7 Time-Controlled Standby. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

12.8 Reaction in Case of Faults in a 3-phase system . . . . . . . . . . . 104

13 Battery Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

13.1 Battery Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

13.2 Start Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

13.3 State of Charge (SOC) and State of Health (SOH) . . . . . . . . 106

13.4 Charge Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

13.4.1 Boost Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

13.4.2 Full Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

13.4.3 Equalization Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

13.4.4 Manual Equalization Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

13.4.5 Silent Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

13.5 Battery Preservation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

13.6 Battery Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

13.7 Battery Lead Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

14 Connecting External Sources . . . . . . . . . . . . . . . . . . . . . 114

14.1 Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

14.1.1 Parallel Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

14.1.2 Generator Start Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

14.1.3 Generator Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

14.1.4 Manual Generator Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

14.1.5 Automatic Generator Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

14.1.6 Limits and Power Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

14.1.7 Run Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

14.1.8 Operation in Conjunction with PV Inverters. . . . . . . . . . . . . . . . . . . . . . . . . 125

14.1.9 Stopping the Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

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