SMA SB 3600SE-10 Service Manual

ServiceManual

SUNNY BOY 3600 / 5000 SMART ENERGY BATTERY PACK SMART ENERGY

SB36-50SE-SG-en-10 | Version 1.0

AMERICAN ENGLISH

Legal Provisions

SMA Solar Technology AG

Legal Provisions

The information contained in these documents is property of SMA Solar Technology AG. Any publication, whether in whole or in part, requires prior written approval by SMA Solar Technology AG. Internal reproduction used solely for the purpose of product evaluation or other proper use is allowed and does not require prior approval.

SMA Warranty

The current warranty regulations are included with your device. You can download the version on the Internet at www.SMA-Solar.com or obtain a printed version from the regular distribution channels.

Trademarks

All trademarks are recognized, even if not explicitly identified as such. A lack of identification does not mean that a product or symbol is not trademarked.

The BLUETOOTH® word mark and logos are registered trademarks of Bluetooth SIG, Inc. and any use of these marks by SMA Solar Technology AG is under license.

Modbus® is a registered trademark of Schneider Electric and is licensed by the Modbus Organization, Inc.

QR Code is a registered trademark of DENSO WAVE INCORPORATED. Phillips® and Pozidriv® are registered trademarks of Phillips Screw Company. Torx® is a registered trademark of Acument Global Technologies, Inc.

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Table of Contents

1 Information on this Document ................................................. 4

2 Safety......................................................................................... 6

2.1 Skills of Qualified Persons .................................................................. 6

2.2 Safety Precautions ............................................................................... 6

2.3 Disconnecting the Inverter from Voltage Sources ............................. 8

3 Cleaning the Inverter................................................................ 11

4 Troubleshooting ........................................................................ 12

4.1 LED Signals .......................................................................................... 12

4.2 Event Messages................................................................................... 12

4.3 Error Messages ................................................................................... 13

5 Checking the PV System for Ground Faults............................ 26

6 Checking the Function of the Varistors.................................... 29

7 Replacing the Varistors ............................................................ 31

8 Testing the Function of the Battery Pack ................................. 32

9 Recommissioning the Inverter.................................................. 33

10 Decommissioning the Inverter ................................................. 35

11 Spare Parts................................................................................ 38

12 Contact....................................................................................... 39

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1 Information on this Document

SMA Solar Technology AG

1 Information on this Document

This document describes how to rectify certain errors and how to replace defective components. This document supplements the documents that are enclosed with each product and does not replace any locally applicable standards or directives. Read and observe all documents supplied with the product.

Validity

This document is valid for the following device types from firmware version 2.02.17.R:

• SB 3600SE-10 (Sunny Boy 3600 Smart Energy)

• SB 5000SE-10 (Sunny Boy 5000 Smart Energy)

Target Group

This document is intended for qualified persons. Only persons with the appropriate skills are allowed to perform the tasks described in this document (see Section2.1 "Skills of Qualified Persons", page6).

Links to additional information can be found at www.SMA-Solar.com:

Document title Document type

SUNNY BOY 3600 / 5000 SMART ENERGY BATTERY PACK SMART ENERGY

BATTERY PACK SMART ENERGY Technical Information Inverter Replacement in PV Systems with Com-

munication Products and Replacement of the SMAEnergyMeter

Parameter List Technical Information Order Form for the SMAGridGuardCode Certificate Webconnect Systems in SunnyPortal User Manual SunnyHomeManager in SunnyPortal User Manual

Operating Manual

Installation Manual

Symbols

Symbol Explanation

Indicates a hazardous situation which, if not avoided, will result in death or serious injury

Indicates a hazardous situation which, if not avoided, can result in death or serious injury

Indicates a hazardous situation which, if not avoided, can result in minor or moderate injury

Indicates a situation which, if not avoided, can result in property damage

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1 Information on this Document

Symbol Explanation

Sections describing activities to be performed by qualified persons only

Information that is important for a specific topic or goal, but is not safety-relevant

Indicates a requirement for meeting a specific goal

Desired result

A problem that might occur

Nomenclature

Complete designation Designation in this document

Battery Pack Smart Energy BatteryPack Sunny Boy 3600 / 5000 Smart Energy Inverter, product

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2 Safety

SMA Solar Technology AG

2 Safety

2.1 Skills of Qualified Persons

The tasks described in this document must only be performed by qualified persons. Qualified persons must have the following skills:

• Knowledge of how an inverter works and is operated

• Training in how to deal with the dangers and risks associated with installing and using electrical devices, batteries and systems

• Training in the installation and commissioning of electrical devices and systems

• Knowledge of the applicable standards and directives

• Knowledge of and compliance with this document and all safety precautions

• Knowledge of and compliance with the documents of the battery manufacturer and all safety precautions

• Knowledge of and compliance with the regulations of the European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR) for packaging, transport and labeling of dangerous goods

• Training in accordance with Section 1.3 ADR for packaging and transport of the Battery Pack Smart Energy

2.2 Safety Precautions

This section contains safety precautions that must be observed at all times when working on or with the product.

To prevent personal injury and property damage and to ensure long-term operation of the product, read this section carefully and follow all safety precautions at all times.

Danger to life due to high voltages of the PV array

When exposed to sunlight, the PV array generates dangerous DC voltage which is present in the DC conductors and the live components of the inverter. Touching the DC conductors or the live components can lead to lethal electric shocks. If you disconnect the DC connectors from the inverter under load, an electric arc may occur leading to electric shock and burns.

• Do not touch uninsulated cable ends.

• Do not touch the DC conductors.

• Do not touch any live components of the inverter.

• Have the inverter mounted, installed and commissioned by qualified persons with the appropriate skills only.

• If an error occurs, have it rectified by qualified persons only.

• Prior to performing any work on the inverter, disconnect it from all voltage sources as described in this document (see Section2.3, page8).

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Danger to life due to high voltages on the BatteryPack

Lethal voltage is present at the pin connector for the power cable. Reaching into the pin connector for the power cable can result in lethal electric shock.

• Do not open the BatteryPack.

• Do not wipe over the Battery Pack with a damp cloth.

• Leave the protective caps on the pin connectors for the power cable and the data cable until the inverter cables are connected to the Battery Pack.

• Only operate the BatteryPack with its protective cover. The protective cover is separately packed.

• Prior to performing any work on the inverter or the Battery Pack, disconnect the inverter from all voltage sources as described in this document (see Section2.3, page8).

Danger to life due to electric shock

Touching an ungrounded PV module or an array frame can cause a fatal electric shock.

• Connect and ground the PV modules, array frame and electrically conductive surfaces so that there is continuous conduction. Observe the applicable local regulations.

Risk of chemical burns from electrolyte or toxic gases

During normal operation, no electrolyte can leak from the Battery Pack and no toxic gases can form. Despite careful construction, if the Battery Pack is damaged or a fault occurs, it is possible that electrolyte may be leaked or toxic gases formed.

• Store the Battery Pack in a cool and dry place.

• Do not drop the Battery Pack or damage it with sharp objects.

• Only set the Battery Pack down on its back, i.e., on the side with the mounting lugs.

• Do not open the BatteryPack.

• Only operate the Battery Pack at ambient temperatures between 0°C and +40°C.

• Do not install or operate the Battery Pack in potentially explosive atmospheres or areas of high humidity.

• If moisture has penetrated the Battery Pack (e.g. due to a damaged enclosure), do not install or operate the Battery Pack.

• In case of contact with electrolyte, rinse the affected areas immediately with water and consult a doctor without delay.

2 Safety

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2 Safety

Risk of burns due to hot enclosure parts

Some parts of the enclosure can get hot during operation.

• During operation, do not touch any parts other than the enclosure lid of the inverter.

Damage to the inverter due to electrostatic discharge

Touching electronic components can cause damage to or destroy the inverter through electrostatic discharge.

• Ground yourself before touching any component.

Damage to the display or the type label due to the use of cleaning agents

• If the inverter is dirty, clean the enclosure, the cooling fins, the enclosure lid, the type label, the display and the LEDs using only water and a cloth.

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2.3 Disconnecting the Inverter from Voltage Sources

1. Disconnect the circuit breaker and secure it against reconnection.

2. If the multi-function relay is used, switch off the load supply voltage, if necessary.

3. Turn the DC load-break switch towards OFF until it snaps into place at position O.

4. Wait until all LEDs and the display have gone out.

Danger to life due to high voltages

The capacitors in the inverter take five minutes to discharge.

• Wait five minutes before opening the enclosure lid.

Risk of injury from dropping the enclosure lid

After removing the last screw, the enclosure lid could fall off.

• Remove all screws of the enclosure lid using an Allen key (AF5). When removing the last screw, support the enclosure lid with one hand. Then remove the enclosure lid by pulling it forwards and make sure that the conical spring washers are retained.

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7. Grip behind the left-hand side of the protective cover and lever it loose. Then lift the protective cover forwards and off.

8. Hold the Battery Pack by the side handles, and slide it to the left of the wall mounting plate up to the stop. This deactivates the lift-off protection of the Battery Pack and gives you more room to pull out the cables.

9. Remove the data cable from the BatteryPack. Press the lateral brackets in and pull the plug out of the pin connector.

2 Safety

10. Remove the power cable from the BatteryPack. Turn the mating plug to the left until it releases and pull it out of the pin connector.

11. If the protective caps of the pin connectors for the data cable and the power cable are available, use them to cover the corresponding pin connectors of the Battery Pack.

12. Insert the data cable and power cable into the bracket on the left-hand side of the inverter.

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2 Safety

SMA Solar Technology AG

13. Flip the DC contact protection up and press firmly until it snaps into place.

14. Use a current clamp to ensure that no current is present in the DC cables.

15. Unlock and remove all DC connectors. Insert a flat-blade screwdriver or an angled screwdriver (blade width: 3.5mm) into one of the side slots and pull the DC connectors straight out. Do not pull on the cable.

16. Ensure that no voltage is present at the DC inputs on the inverter.

17. Ensure that no voltage is present on the ACconnecting terminal plate between L and N using a suitable measuring device. Insert a test probe in each round opening of the terminal.

18. Ensure that no voltage is present on the ACconnecting terminal plate between L and PE using a suitable measuring device. Insert a test probe in each round opening of the terminal.

19. If you are using the multifunction relay, ensure that no voltage is present between any of the terminals on the multifunction relay and PE on the AC connecting terminal plate.

20.

Damage to the inverter due to electrostatic discharge

Touching electronic components can cause damage to or destroy the inverter through electrostatic discharge.

• Ground yourself before touching any component.

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3 Cleaning the Inverter

Damage to the display or the type label due to the use of cleaning agents

• If the inverter is dirty, clean the enclosure, the cooling fins, the enclosure lid, the type label, the display and the LEDs using only water and a cloth.

• If the cooling fins on the rear of the enclosure are dirty, clean them using a soft brush.

• If the air ducts on the top of the inverter are dirty, clean them using a soft brush.

• If the protective cover of the Battery Pack is dirty, clean it with a dry cloth.

• If the Battery Pack is dirty, clean it with a dry cloth.

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4 Troubleshooting

SMA Solar Technology AG

4 Troubleshooting

4.1 LED Signals

The LEDs indicate the operating state of the inverter.

LED Status Explanation

Green LED glowing Operation

flashing The requirements for the connection to the utility

grid have not been met.

Red LED glowing Error

The red LED indicates an error (see Section4.3 "Error Messages", page13).

Blue LED - No function

4.2 Event Messages

Display message Cause

Set parameter The parameter change is adopted. Parameters set success-

fully Update file OK The update file found is valid. Memory card is read USB stick (memory card) is searched for the update file and the update

No new update on the memory card

Update communication The inverter is updating the communication component. Update main CPU The inverter is updating the inverter component. Update completed The inverter has successfully completed the update. Condition test success-

ful Update transport

started Update transport suc-

cessful Update BMS Battery management software (BMS) is updated. Grid parameter un-

changed

The parameter changes were successfully adopted.

file is checked. On the USB stick (memory card), there is an update file that has already

been used.

Conditions from the update file have been tested successfully.

Update file is being copied.

Update file was copied successfully to the inverter's internal memory.

The parameters have been locked and cannot be changed.

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4.3 Error Messages

Error number Display message, cause and corrective measures

101 to 103

202 to 205

Grid fault

The grid voltage or grid impedance at the connection point of the inverter is too high. The inverter has disconnected from the utility grid.

Corrective measures:

• Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range. If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

If the grid voltage is permanently within the permissible range and this message is still displayed, contact the SMAServiceLine.

Grid fault

The utility grid has been disconnected, the AC cable is damaged or the grid voltage at the connection point of the inverter is too low. The inverter has disconnected from the utility grid.

Corrective measures:

• Make sure that the circuit breaker is switched on.

• Make sure that the AC cable is not damaged.

• Make sure that the AC cable is correctly connected.

• Check whether the grid voltage at the connection point of the inverter is permanently in the permissible range.

If the grid voltage is outside the permissible range due to local grid conditions, contact the grid operator. The grid operator must agree with an adjustment of the voltage at the feed-in point or with a change of the monitored operating limits.

If the grid voltage is permanently within the permissible range and this message is still displayed, contact the SMAServiceLine.

4 Troubleshooting

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