SMA MULTICLUSTER BOX 36 Bedienungsanleitung

MC-BOX-36-IA-IEN105010 | IMEN-MC-BOX-36 | Version 1.0

Sunny Island Multicluster System

MULTICLUSTER BOX 36

Installation Guide

SMA Solar Technology AG Table of Contents

Installation Guide MC-BOX-36-IA-IEN105010 3

Table of Contents

1 Notes on this Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.2 Target Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.3 Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.4 Symbols Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 Appropriate usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.3 Explanation of Symbols on the Type Label. . . . . . . . . . . . . . . . . 9

3 Delivery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1.1 Multicluster Box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1.2 Multicluster Piggy-Back . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.2 Identifying the Multicluster Box. . . . . . . . . . . . . . . . . . . . . . . . . 11

4 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.1 Choosing the installation site . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.2 Transport. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2.1 Transport Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2.2 Transporting the Multicluster Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.3 Mounting the Multicluster Box . . . . . . . . . . . . . . . . . . . . . . . . . 15

5 Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.1 Overview of the Connection Area . . . . . . . . . . . . . . . . . . . . . . 16

5.1.1 Connection terminals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.1.2 Cable entries in the floor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.1.3 Grounding bar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.2 Inserting the cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table of Contents SMA Solar Technology AG

4 MC-BOX-36-IA-IEN105010 Installation Guide

5.3 Connecting the cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.3.1 Connecting the generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.3.2 Connecting Consumer Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.3.3 Connecting the PV Plant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.3.4 Connecting the Sunny Island. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

5.3.5 Grounding the Sunny Island Multicluster System . . . . . . . . . . . . . . . . . . . . . 27

5.4 Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

5.4.1 Inserting the cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

5.4.2 Connecting the control and measurement cables . . . . . . . . . . . . . . . . . . . . . 29

5.4.3 Connecting the communication cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6 Commissioning the Multicluster Box. . . . . . . . . . . . . . . . . 31

7 Opening and closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

7.1 Opening the Multicluster Box . . . . . . . . . . . . . . . . . . . . . . . . . . 32

7.2 Removing Protection against Contact . . . . . . . . . . . . . . . . . . . . 33

7.3 Mounting Protection against Contact . . . . . . . . . . . . . . . . . . . . 33

7.4 Closing the Multicluster Box . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

8 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

9 Decommissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

9.1 Dismantling the Multicluster Box . . . . . . . . . . . . . . . . . . . . . . . . 36

9.2 Storing the Multicluster Box . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

9.3 Disposing of the Multicluster Box . . . . . . . . . . . . . . . . . . . . . . . 36

10 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

11 Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

SMA Solar Technology AG Notes on this Guide

Installation Guide MC-BOX-36-IA-IEN105010 5

1 Notes on this Guide

This guide describes the assembly and installation of the Multicluster Box. Keep this guide in a

convenient place for future reference.

1.1 Validity

This guide is valid for the Multicluster Box of type MC-BOX-36.3.

1.2 Target Group

The tasks described in this guide may only be carried out by electrically qualified persons who have

been trained on off-grid systems by SMA Solar Technology AG.

1.3 Additional Information

The enclosed Technical Description "Multicluster Box 36" serves as an installation aid and contains

the following information:

• A detailed diagram of the wiring of the generator, loads, PV plant, Sunny Island and battery.

• A detailed diagram of the communications wiring

• A system overview of the Multicluster Box

• The layout of the fuses in the Multicluster Box

• Definitions of terms that describe SMA Multicluster technology

You can find more information on the SMA Multicluster technology and the configurable parameters

of the Sunny Island in the Sunny Island 5048 manual.

Notes on this Guide SMA Solar Technology AG

6 MC-BOX-36-IA-IEN105010 Installation Guide

1.4 Symbols Used

The following types of safety instructions and general information are used in this manual:

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

Installation Guide MC-BOX-36-IA-IEN105010 7

2 Safety

2.1 Appropriate usage

The Multicluster Box is a component of the SMA Multicluster technology. It is used to set up stand-

alone grids with several Sunny Island 5048. The Multicluster Box is an AC main distributor. You can

connect the Sunny Island devices, the loads, the generator or the grid and a further generator to the

Multicluster Box, e.g. a PV plant or a small wind turbine system.

Connection requirements

The Multicluster Box is designed for connection to TN grids. The Multicluster Box must be

grounded before commissioning (see section 5.3.5”Grounding the Sunny Island

Multicluster System” (page27)).

Safety SMA Solar Technology AG

8 MC-BOX-36-IA-IEN105010 Installation Guide

Principle of the SMA Multicluster technology with an MC-BOX-36.3

You may operate the Multicluster Box only in conjunction with off-grid inverters of the type

Sunny Island 5048.

Do not exceed the maximum AC connection power of the Multicluster Box of 300 kW each at an

ambient temperature of 25 °C for PV plants, generator and loads.

The Multicluster Box is designed for use at altitudes of up to 2 000 m above sea level. If you wish to

use the Multicluster Box at altitudes above 2 000 m, contact SMA Solar Technology AG (see section

11”Contact” (page40)).

SMA Solar Technology AG Safety

Installation Guide MC-BOX-36-IA-IEN105010 9

2.2 Safety Instructions

2.3 Explanation of Symbols on the Type Label

DANGER!

Danger to life due to high voltages in the Multicluster Box.

• Any work on the Multicluster Box must be carried out by a trained electrically skilled

person.

• Any work on the Multicluster Box must be carried out as described in this guide.

• All listed safety instructions must be observed.

Problems while performing the described activities

Should you encounter problems while performing the activities described in this guide,

contact SMA Solar Technology AG (see section 11”Contact” (page40)).

Icon Explanation

Do not dispose of the Multicluster Box or its components with domestic

waste. For more information on disposal, see section 9.3”Disposing of the

Multicluster Box” (page36).

CE mark.

The Multicluster Box complies with the requirements of the applicable EC

guidelines.

Protection rating IP54.

The Multicluster Box is protected against dust deposits in the interior and

splashes of water from all angles.

Delivery SMA Solar Technology AG

10 MC-BOX-36-IA-IEN105010 Installation Guide

3 Delivery

3.1 Scope of delivery

Check that the delivery is complete. Check the packaging and the Multicluster Box for visible external

damage. Contact your supplier in case of damage to the packaging. Contact your dealer if you find

any damage or if any parts are missing.

3.1.1 Multicluster Box

Object Number Description

A 1 Multicluster Box

B 1 Switch cabinet key

C 1 Communication cable: 10 m, black

D 3 Control and measurement cable: 10 m each, red

E 30 15 x cable clamp and 15 x opposite sleeve (26 mm … 30 mm)

F 1 Installation Guide

G 1 Technical Description

H 2 Set of adhesive web for labeling cables

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