SMA Sunny Boy SB 1100LV Bedienungsanleitung

Sunny Boy SB 1100LV

Inverter for Photovoltaic Plants

Installation Guide Version 1.1 SB1100LV-11:SE2006

IME-SB1100LV

SMA Technologie AG Table of Contents

Installation Guide SB1100LV-11:SE2006 Page 3

Inhaltsverzeichnis

1 Explanation of the symbols used: . . . . . . . . . . . . 5

2 Foreword. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 Target group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . 9

4 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.1 Unit description . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.2 External dimensions . . . . . . . . . . . . . . . . . . . . . . . 12

5 Installation requirements . . . . . . . . . . . . . . . . . . 13

5.1 Installation site requirements . . . . . . . . . . . . . . . . . 13

5.2 PV generator requirements. . . . . . . . . . . . . . . . . . . 15

5.3 Low voltage grid (AC). . . . . . . . . . . . . . . . . . . . . . 15

6 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6.1 Mounting the unit . . . . . . . . . . . . . . . . . . . . . . . . . 19

6.2 Electrical installation . . . . . . . . . . . . . . . . . . . . . . . 20

6.2.1 Connecting the AC output. . . . . . . . . . . . . . . . . . . . . . . . . . . .21

6.2.2 PV string (DC) connection . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

6.3 Reverse current. . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6.4 Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . 30

7 Opening and closing the Sunny Boy . . . . . . . . . 33

7.1 Opening the Sunny Boy . . . . . . . . . . . . . . . . . . . . 33

7.2 Closing the Sunny Boy . . . . . . . . . . . . . . . . . . . . . 33

8 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . 35

8.1 PV generator connection data . . . . . . . . . . . . . . . . 35

8.2 Grid connection data . . . . . . . . . . . . . . . . . . . . . . 36

8.3 Device description . . . . . . . . . . . . . . . . . . . . . . . . 37

8.4 Operating parameters. . . . . . . . . . . . . . . . . . . . . . 38

Table of Contents SMA Technologie AG

Page 4 SB1100LV-11:SE2006 Installation Guide

8.4.1 Explanation of the operating parameters . . . . . . . . . . . . . . . . .38

8.4.2 Parameter settings for Germany. . . . . . . . . . . . . . . . . . . . . . . .41

8.4.3 Country-specific parameter settings . . . . . . . . . . . . . . . . . . . . .42

8.4.4 Non-modifiable parameters. . . . . . . . . . . . . . . . . . . . . . . . . . .43

9 Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

9.1 CE declaration of conformity . . . . . . . . . . . . . . . . . 45

9.2 SMA grid guard certificate . . . . . . . . . . . . . . . . . . 46

10 Replacing the varistors. . . . . . . . . . . . . . . . . . . . 47

11 Rating for a line circuit breaker . . . . . . . . . . . . . 51

12 The communications interface . . . . . . . . . . . . . . 55

12.1 Connection of the interface . . . . . . . . . . . . . . . . . . 56

12.1.1 Jumper functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

13 Contact. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

SMA Technologie AG Explanation of the symbols used:

Installation Guide SB1100LV-11:SE2006 Page 5

1 Explanation of the symbols used:

To ensure optimum use of these instructions, please note the following explanation of

symbols used.

This symbol identifies an example.

This symbol identifies a notice where failure to follow the advice will make the

procedure or operation more difficult.

This symbol indicates a fact that when not observed could result in

damage to components or danger to persons. Please read these sections

especially carefully.

Explanation of the symbols used: SMA Technologie AG

Page 6 SB1100LV-11:SE2006 Installation Guide

SMA Technologie AG Foreword

Installation Guide SB1100LV-11:SE2006 Page 7

2 Foreword

For detailed information on troubleshooting and on how to use the Sunny Boy and the

various communications options, please see the operating instructions.

"Sunny Design" helps you design the system and check string size taking the relevant

inverter into consideration. Further information on Sunny Design is available at

www.SMA.de.

If you require further information, please call the Sunny Boy hotline on the following

number:

(0561) 95 22 - 499

2.1 Target group

This installation manual is intended solely for qualified electricians. Its aim is to help

install and set up SMA Sunny Boy SB 1100LV inverters quickly and correctly.

The Sunny Boy SB 1100LV contains the SMA grid guard 2. This is a type of

independent disconnection device. It ensures that the Sunny Boy SB 1100LV

complies with the VDEW (Verband der Elektrizitätswirtschaft – German Electricity

Industry Association) regulations for the connection and parallel operation of

electrical power units to the low-voltage grid of the electricity supply company and

with DIN VDE 0126-1-1, which forms a part of these regulations.

Attention!

The Sunny Boy may only be installed by trained specialists. Installers must

be approved by the local energy supplier. Please carefully read this

installation manual. All prescribed safety regulations, the technical

connection requirements of the local energy supplier and all applicable

provisions must be adhered to.

Foreword SMA Technologie AG

Page 8 SB1100LV-11:SE2006 Installation Guide

SMA Technologie AG Safety instructions

Installation Guide SB1100LV-11:SE2006 Page 9

3 Safety instructions

Caution! Overvoltage

Check the system design using the "Sunny

Design" design tool (www.SMA.de) or by

calling the Sunny Boy Hotline.

Overvoltages may lead to the destruction

of the Sunny Boy SB 1100LV.

Warning! High voltage!

Work on the Sunny Boy with the cover removed must be carried out by a

qualified electrician. High voltages are present in the device. Before

working on the Sunny Boy with the cover removed, the AC and DC

voltages must be disconnected from the Sunny Boy and the capacitors

must be discharged.

The Sunny Boy must be disconnected from the mains grid and precautions

must be taken to prevent the grid being reconnected. In addition, the

connections to the PV generator must be disconnected.

After isolating the AC and DC voltage, you must wait approx. 30 minutes

for the capacitors in the Sunny Boy to discharge. Only then is it safe to

open the unit by removing the cover. You must also make sure that no

voltage is present in the device.

Caution! Electrostatic charge!

When working on the Sunny Boy SB 1100LV and handling the

components, remember to observe all ESD safety regulations. Electronic

components are susceptible to electrostatic charge. Discharge any

electrostatic charge by touching the grounded enclosure before handling

any electronic component.

Safety instructions SMA Technologie AG

Page 10 SB1100LV-11:SE2006 Installation Guide

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