SMA Sunny Island SIC50-MPT Bedienungsanleitung

SIC50-IA-en-11 | Version 1.1

Charge controller

SUNNY ISLAND CHARGER

Installation Guide

SMA Solar Technology AG Table of Contents

Installation Guide SIC50-IA-en-11 3

Table of Contents

1 Notes on this Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.1 Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.2 Target Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.3 Storage of the Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.4 Symbols Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.1 Appropriate Usage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.2 General Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3 Unpacking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.1 Scope of Delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.2 Check for Transport Damage . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.3 Identifying the Charge Controller . . . . . . . . . . . . . . . . . . . . . . . 11

4 Battery Management and Charge Control . . . . . . . . . . . 12

4.1 SMA Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.2 Stand-Alone Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

5 Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.1 Selecting the Mounting Location. . . . . . . . . . . . . . . . . . . . . . . . 14

5.1.1 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5.1.2 Ambient Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.1.3 Safety Clearances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.1.4 Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.2 Mounting Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6 Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.2 Overview of the Connection Area . . . . . . . . . . . . . . . . . . . . . . 19

6.3 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table of Contents SMA Solar Technology AG

4 SIC50-IA-en-11 Installation Guide

6.3.1 Grounding the Charge Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.3.2 Grounding the Battery and the PV Plant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6.4 PV Array Connection (DC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.5 Battery Connection (DC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6.6 Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.6.1 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.6.2 Connection to PC Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.6.3 SMA Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

6.6.4 Stand-alone Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

6.7 Additional Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.7.1 Signaling Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.7.2 Battery Temperature Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

7 (First) Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

7.1 Configuring the Charge Controller . . . . . . . . . . . . . . . . . . . . . . 34

7.1.1 Operating Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

7.1.2 Battery System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

7.1.3 Device Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

7.1.4 Battery Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

7.2 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

8 Opening and Closing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

8.1 Opening the Charge Controller . . . . . . . . . . . . . . . . . . . . . . . . 37

8.2 Closing the Charge Controller . . . . . . . . . . . . . . . . . . . . . . . . . 37

9 Maintenance and Cleaning. . . . . . . . . . . . . . . . . . . . . . . . 38

9.1 Replacing the Thermal Fuses. . . . . . . . . . . . . . . . . . . . . . . . . . . 38

9.2 Cleaning the Cooling Fins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

10 Meaning of the Light Emitting Diodes (LEDs) . . . . . . . . . . 39

10.1 Multicolored LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

10.2 Internal LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

SMA Solar Technology AG Table of Contents

Installation Guide SIC50-IA-en-11 5

11 Failure Search. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

11.1 SMA Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

11.2 Stand-alone Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

12 Decommissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

12.1 Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

12.2 Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

12.3 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

12.4 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

13 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

14 Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Table of Contents SMA Solar Technology AG

6 SIC50-IA-en-11 Installation Guide

SMA Solar Technology AG Notes on this Manual

Installation Guide SIC50-IA-en-11 7

1 Notes on this Manual

This manual describes how to install, commission and service the Sunny Island Charger.

1.1 Validity

This manual applies to the following Sunny Island Charger type:

• SIC50-MPT

1.2 Target Group

This manual is intended for the installer and the operator.

1.3 Storage of the Manual

All manuals for the device and for the installed components must be stored in the immediate vicinity

of the charge controller and must be accessible at all times.

Notes on this Manual SMA Solar Technology AG

8 SIC50-IA-en-11 Installation Guide

1.4 Symbols Used

The following types of safety messages and general information appear in this document:

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 indicates a situation that can result in property damage if not avoided!

Information

Information provides tips that are valuable for the optimal installation and operation of

your product.

SMA Solar Technology AG Safety Instructions

Installation Guide SIC50-IA-en-11 9

2 Safety Instructions

2.1 Appropriate Usage

The charge controller is a DC/DC converter that reduces the direct current of the PV array to the direct

current of a battery in order to charge it. The SIC50-MPT replaces the SIC40-MPT.

The charge controller can be operated in two different operating modes:

In SMA operating mode, the Sunny Island protects the battery from deep discharge. In stand-alone

operating mode without Sunny Island, an external device must protect the battery from deep

discharge.

The charge controller may only be operated with PV array (modules and cabling) of protection class

II. Do not connect any sources of energy other than PV modules to the charge controller.

Already when designing the PV plant, ensure that the values comply with the permitted operating

range of all components at all times. The maximum open circuit voltage of the PV array may not be

greater than the maximum input voltage of the charge controller (140 V), even at very low ambient

temperatures. The voltage of the PV array must always be at least 5 V higher than the battery voltage

during operation. The charge controller is suitable for battery currents of up to 50 A at 48 V/24 V/

12 V nominal battery voltage.

The suitability of a PV array for the charge controller primarily depends on the output voltage and

output power of the PV array. In this regard, observe the limits specified by the module manufacturer.

Appropriate usage also includes observing all documentation.

SMA operation Stand-alone operation

The "SMA" operating mode must be selected if

the charge controller is operated in a system

equipped with a Sunny Island 5048/2012/

2224.

The "Stand-alone" operating mode must be

selected if the charge controller is operated in a

stand-alone grid system equipped with a

Sunny Island 3324/4248 or without a

Sunny Island.

Section 6.1.1 "Operating mode" (28) explains how to set the operating mode.

Safety Instructions SMA Solar Technology AG

10 SIC50-IA-en-11 Installation Guide

2.2 General Safety Instructions

DANGER!

Danger to life due to high voltages in the charge controller.

• All work on the charge controller must only be carried out by an electrically skilled

person.

CAUTION!

Danger of burn injuries due to hot enclosure parts.

• Do not touch the enclosure of the charge controller during operation.

Grounding the PV array

Observe all local regulations for grounding the PV array. SMA Solar Technology AG

connecting the array frame and other electrically conductive surfaces so that there is

continuous conduction and to ground them in order to ensure optimal protection for plants

and persons.

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