SMA SI-485PB-NR User Manual

SMA Equipment

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SI-485PB-NR-US_en_es-10 | IM03-SI485PB-NR | Version / Versión 1.0

SMA Solar Technology AG

Retrofit Kit

SI-485PB-NR

Mounting instructions

SAVE THESE INSTRUCTIONS
This manual contains important instructions for the

following product:

• SI-485PB-NR

This manual must be followed during installation and

maintenance.
The product is designed and tested according to inter-

national safety requirements, but as with all electrical

and electronic equipment, certain precautions must be

observed when installing and/or operating the prod-

uct. To reduce the risk of personal injury and to ensure

the safe installation and operation of the product, you

must carefully read and follow all instructions, cautions

and warnings in this manual.

Validity
This manual is valid for the retrofit kit SI-485PB-NR if it

is used in one of the following Sunny Island inverters:

SI4548-US-10 / SI5048-US / SI6048-US-10.

Target Group
This document is intended for qualified persons. Only

personnel with the following qualifications are al-

lowed to perform the tasks set forth in this document:

• Knowledge about the functional principle and

operation of off-grid systems

• Knowledge in how to deal with the dangers and

risks associated with installing and using electrical

devices and batteries

• Knowledge of the installation and commissioning

of electrical devices

• Knowledge and observance of the local stan-

dards and guidelines

• Knowledge and observance of this document and

all safety instructions

Nomenclature

The SI-485PB-NR retrofit kit enables the setup of an

RS485 communication. Via RS485, the Sunny Island

can communicate with SMA communication products

and SMA inverters. Use the interface of the retrofit kit

according to the instructions in the documentation.

Any other use may cause property damage. For safety

reasons, it is not permitted to modify the product or in-

stall components that are not explicitly recommended

or distributed by SMA Solar Technology America,

LCC for this product. The enclosed documentation is

an integral part of this product.

• Read and adhere to the documentation.
• Keep the documentation in a convenient place for

future reference.

Check the scope of delivery for completeness and any

externally visible damage. Contact your specialty retail-

er if the scope of delivery is incomplete or damaged.

Figure1:

Design of the interface

The information on the type label is intended to help

you in the safe use of the interface and will be needed

if you contact the SMA Service Line. The type label

must be permanently attached to the interface.

Figure 2:

Installation position and connection of the
SI-485PB-NR in the SI4548-US-10 /
SI5048-US / SI6048-US-10

3. Connect the RS485 communication

(see documentation of the Sunny Island).

3. Close the Sunny Island. Ensure that enclosure

openings which are not used for the RJ45 data ca-

ble are closed with cable support sleeves (see

technical documentation of the Sunny Island).

• Dispose of the SI-485PB-NR in accordance with

the locally applicable disposal regulations for

electronic waste

or

• Return the SI-485PB-NR at your own expense.

Label the packaging with the information

"FOR DISPOSAL".

Communication

Mechanical Data

SMA Solar Technology America, LLC
6020 West Oaks Blvd, Ste 300
Rocklin, CA 95765

Copyright © 2012 SMA America, LLC. All rights reserved.
No part of this document may be reproduced, stored in a retrieval

system, or transmitted, in any form or by any means, be it 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 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 recognised 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

WARNING

General Warnings
All electrical installations must be made in accor-

dance with the local and National Electrical

Code

®

ANSI/NFPA 70 or the Canadian Electri-

cal 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 product, including without limitation applica-

ble electrical safety codes. All installations must

conform with the laws, regulations, codes and

standards applicable in the jurisdiction of instal-

lation. SMA assumes no responsibility for the

compliance or noncompliance with such laws or

codes in connection with the installation of the

product.
The product 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 product, read all of

the instructions, cautions, and warnings in this

manual.
Wiring of the product must be made by qualified

personnel only.

Information on this Document

US

Complete designation Designation in this

document

Sunny Island 4548-US/

5048-US/6048-US

Sunny Island

Interface 485PB-G3

Interface

SMA Solar Technology

America, LLC

SMA

Intended Use

Scope of Delivery

Quantity Designation
1

Interface 485PB-G3

1

White RJ45 data cable with three con-

ductors with stripped insulation

1

Terminator

1

Mounting instructions

Product Description

Item

Designation

A

Connection plug

B

Type label

Installing the SI-485PB-NR

Item

Designation

A

Interface slot

B

Connection jack

1.

WARNING

Danger to life due to high voltages
High voltages are present in the off-grid system

and in the Sunny Island. The Sunny Island can

start on its own from standby.

• Turn off or disconnect the components in the

following order:
– Sunny Island
– All loads, AC sources, external energy

sources and DC sources

– Miniature circuit-breaker for AC sources

and the external energy source in the

sub-distributions

• Switch the DC miniature circuit-breaker to the

Off position

or

• Open the switch-disconnectors of the Bat-

Fuse.

• Ensure that the device cannot be reconnect-

ed.

• Wait at least 15 minutes. This allows the ca-

pacitors to discharge.

• Open the enclosure lid of the Sunny Island

and ensure that no voltage is present.

• Ground and short-circuit the AC conductors.
• Cover or safeguard any adjacent live compo-

nents.

2. NOTICE

Destruction of the connection jack due to im-

proper installation

• Ground yourself before touching any compo-

nents.

• Position the interface above the interface slot

and adjust it vertically to it. Pay attention to

different plug sizes.

• Position the interface on the connection jack

and press with slight pressure. This avoids

damage of the pins in the connection jack.

Removing the SI-485PB-NR

1.

WARNING

Danger to life due to high voltages
High voltages are present in the off-grid system

and in the Sunny Island. The Sunny Island can

start on its own from standby.

• Turn off or disconnect the components in the

following order:
– Sunny Island
– All loads, AC sources, external energy

sources and DC sources

– Miniature circuit-breaker for AC sources

and the external energy source in the

sub-distributions

• Switch the DC miniature circuit-breaker to the

Off position

or

• Open the switch-disconnectors of the BatFuse.
• Ensure that the device cannot be reconnected.
• Wait at least 15 minutes. This allows the ca-

pacitors to discharge.

• Open the enclosure lid of the Sunny Island

and ensure that no voltage is present.

• Ground and short-circuit the AC conductors.
• Cover or safeguard any adjacent live compo-

nents.

2. NOTICE

Destruction of the connection jack due to

improper installation

• Ground yourself before touching any compo-

nents.

• Position the interface above the interface slot

and adjust it vertically to it. Pay attention to

different plug sizes.

• Position the interface on the connection jack

and press with slight pressure. This avoids

damage of the pins in the connection jack.

Disposing of the SI-485PB-NR

Technical Data

Communication interfaces

RS485

RS485 radio range

3,937 ft. (1,200 m)

Width x height x

depth

1

1

8

in. x 1

11

16

in.

21

32

in.

(28 mm x 42 mm x 16 mm)

Weight

1

2

oz. (14 g)

Installation location

SI4548-US-10 /

SI5048-US / SI6048-US-10

Contact

Tel.

+1 916 625 0870

Tel.

+1 877-MY SMA TECH

Tel.

+1 877 697 6283

(Toll free, available for USA, Canada and

Puerto Rico)

Fax: +1 916 625 0871

[email protected]

www.SMA-America.com

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