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Sma 500U, 500HE-US, 250U, 500HE-CA User Manual

CA
US
Central Inverter
SUNNY CENTRAL 250U / 500U / 500HE-US / 500HE-CA
User Manual
SCUS-BE-BUS120514 | 98-4000614 | Version 1.4
SMA America, LLC Legal Restrictions
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, electronic, mechanical, photographic, magnetic or otherwise, without the prior written permission of SMA America,LLC.
Neither SMA America,LLC nor SMA Solar Technology Canada Inc. makes no 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 and SMA Solar Technology Canada Inc. reserve 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.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by SMA America,LLC and SMA Solar Technology Canada Inc. is under license.
SMA America, LLC
3801 N. Havana Street
Denver, CO 80239 U.S.A.
SMA Solar Technology Canada Inc.
2425 Matheson Blvd E, 8th Floor
Mississauga, ON L4W 5K5 Canada
Important Safety Instructions SMA America, LLC
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions for Sunny Central 250U, Sunny Central 500U, Sunny Central 500HE-US and Sunny Central 500HE-CA photovoltaic (PV) inverters, that shall be followed during installation and maintenance of the inverter.
The Sunny Central 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 Central. To reduce the risk of personal injury and to ensure the safe installation and operation of the Sunny Central, you must carefully read and follow all instructions, cautions and warnings in this Installation Guide.
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 indicates a situation that can result in property damage if not avoided.
4 SCUS-BE-BUS120514 User Manual
SMA America, LLC Important Safety Instructions
Other Symbols
In addition to the safety and hazard symbols described on the previous pages, the following symbol is also used in this Installation Guide:
Information
This symbol accompanies notes that call attention to supplementary information that you should know and use to ensure optimal operation of the system.
Markings on this Product
The following symbols are used as markings on this product with the following meanings.
Warning regarding dangerous voltage The product works with high voltages. All work on the product must only be performed
as described in it‘s documentation.
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 performing any work. Follow all safety
precautions and instructions as described in the documentation.
Evaluated to the requirements of the Underwriters Laboratories Standard for Safety for Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources, UL 1741.
The inverter has been additionally evaluated by Underwriters Laboratories to CAN/CSA C22.2 No. 107.1-1, "General Use Power Supplies".
DC current
Earth Ground
General Warnings SMA America, LLC
General Warnings
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 SMA inverter, 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 SMA inverter.
Before installing or using the Sunny Central, read all of the instructions, cautions, and warnings on the Sunny Central, the PV array, in this Installation Guide and in User Manual.
Before connecting the Sunny Central to the electrical utility grid, contact the local utility company. This connection must be made only by qualified personnel.
PV arrays produce electrical energy when exposed to light and thus can create an electrical shock hazard. Wiring of the PV-arrays shall only be performed by qualified personnel.
6 SCUS-BE-BUS120514 User Manual
SMA America, LLC Table of Contents
Table of Contents
1 Information on this Manual. . . . . . . . . . . . . . . . . . . . . . . . . 9
1.1 Target Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.2 Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3 Description of the Sunny Central . . . . . . . . . . . . . . . . . . . 11
3.1 Design of the Sunny Central . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 Location of the Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . 15
3.3 Identifying the Sunny Central . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.4 Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.5 Elements for Sunny Central Operation . . . . . . . . . . . . . . . . . . . 16
3.5.1 Sunny Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.6 Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4 Operating the Sunny Display . . . . . . . . . . . . . . . . . . . . . . 18
4.1 Functions of the Buttons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.2 Description of Display Symbols . . . . . . . . . . . . . . . . . . . . . . . . 19
4.3 Navigating through the Menu . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.4 Switching the display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.5 Menu Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.5.1 Description of Menu Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.6 Changing Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.6.1 Changing Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.6.2 Changing Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.7 Display Firmware Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5 Spot Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table of Contents SMA America, LLC
6 Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.1 Description of Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.2 Changing Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7 Error Diagnosis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.1 Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.1.1 PV Generator Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.1.2 Sunny Central Fault. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7.1.3 Grid Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
7.1.4 Display Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7.1.5 Acknowledge Error at the Sunny Display . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
7.1.6 Acknowledge the Error with the Sunny WebBox . . . . . . . . . . . . . . . . . . . . . 39
8 Appendix - Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
9 Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
8 SCUS-BE-BUS120514 User Manual
SMA America, LLC Information on this Manual

1 Information on this Manual

This document describes the operation, maintenance and failure correction of the Sunny Central 250U, Sunny Central 500U and Sunny Central 500HE-US. This manual does not cover any details concerning PV modules. Information concerning the PV modules is available from the manufacturer of the PV modules.

1.1 Target Group

Th is m anu al i s for the ins tal ler , the mai nte nan ce p ers onn el a nd the o perator of a S unny C entral 250U, Sunny Central 500U and Sunny Central 500HE-US. The installer, the maintenance personnel and the operator of the Sunny Central have to be qualified personnel. Qualified personnel has received training and has demonstrated skills and knowledge in the construction and operation of the device. Qualified personnel is trained to deal with the dangers and hazards involved in installing electric devices.

1.2 Validity

This manual applies for the Sunny Central 250U, Sunny Central 500U, Sunny Central 500HE-US and Sunny Central 500HE-CA from the BFR firmware version 1.030 and the DSP firmware version 1.030. In this manual the Sunny Central 250U, Sunny Central 500U, Sunny Central 500HE-US and Sunny Central 500HE-CA are referred to as "Sunny Central".
Safety Instructions SMA America, LLC

2 Safety Instructions

DANGER
High voltages are present in the live components of the medium voltage grid. Death resulting from burning and electric shock.
• Do not touch the live components of the medium voltage grid or the inverter.
• Pay close attention to all safety precaution measures regarding the medium voltage grid.
WARNING
Fa ilu re t o fo llo w the ma nua l, t he o per ati ng inst ruc tio ns a nd t he s afe ty p rec aution s ma y le ad to severe injury from electric shock.
• All work on the Sunny Central may only be done as described in this manual.
• Pay attention to all safety instructions.
• Follow all operating instructions.
• If problems occur when performing the work described here, contact SMA America.
WARNING
Operating a damaged Sunny Central may cause severe injury from electric shock.
• The Sunny Central may only be used when it is technically faultless and safe to operate.
• Operate the Sunny Central only if there are no visible damages.
• Regularly check the Sunny Central for visible damage.
• Ensure that all external safety features are freely accessible at all times, and that they are regularly tested for correct functionality.
Storage of handbooks
This documentation must be kept in the immediate vicinity of the Sunny Central. It must be accessible to service and maintenance personnel at any time.
Do not store this documentation or other papers in the Sunny Central.
10 SCUS-BE-BUS120514 User Manual
SMA America, LLC De scri ptio n of the S unny Cent ral
AB
CD F
G
E
S t o p S t a r t

3 Description of the Sunny Central

The Sunny Central is a PV inverter that converts the DC energy from PV modules to AC energy. This energy is then fed to the public grid. The Sunny Central is designed for indoor and outdoor installation.
Principle of a PV Power System with a Sunny Central 250U or Sunny Central 500U
Position Description
APV modules B DC distribution with DC fuses (e.g., Sunny Central String-Monitor) CDC disconnect DSunny Central EAC fuse
F AC disconnect
GPublic grid
User Manual SCUS-BE-BUS120514 11
Description of the Sunny Central SMA America, LLC
Principle of a PV Power System with a Sunny Central 500HE-US
Position Description
APV modules B DC distribution with DC fuses (e.g., Sunny Central String-Monitor) CDC disconnect DSunny Central E Transformer
FPublic grid
12 SCUS-BE-BUS120514 User Manual
SMA America, LLC De scri ptio n of the S unny Cent ral
A B
C

3.1 Design of the Sunny Central

Sunny Central 250U
Sunny Central 500U
Position Cabinet Description
A Magnetics Cabinet The Sunny Central's transformer is contained in the
Magnetics Cabinet.
B Control Cabinet The Control Cabinet contains the system control, the
Sunny Display, the stop/start switch and the stacks for converting direct current to alternating current.
C Interface Cabinet All AC, DC and data cables are connected in the Interface
Cabinet.
User Manual SCUS-BE-BUS120514 13
Description of the Sunny Central SMA America, LLC
A
B
Sunny Central 500HE-US
Position Cabinet Description
A Power Cabinet The power cabinet contains the power unit for converting
direct current to alternating current.
B Control and Interface
Cabinet
All AC, DC and communication cables are connected in the control and interface cabinet. The control and interface cabinet contains:
• system control
• Sunny Display
• stop/start switch
• optional communication devices
14 SCUS-BE-BUS120514 User Manual
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