SMA SUNNY TRIPOWER 5000TL User manual

ServiceManual
SUNNY TRIPOWER 5000TL / 6000TL / 7000TL /
8000TL / 9000TL / 10000TL / 12000TL
STP5-12TL-20-SG-en-12 | Version 1.2 AMERICAN ENGLISH

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
You can download the current warranty conditions from the Internet at www.SMA-Solar.com.
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.
SMA Solar Technology AG
Sonnenallee 1
34266 Niestetal
Germany
Tel. [phone]
Fax [phone]
www.SMA.de
E-mail: [email protected]
© 2004 to 2014 SMA Solar Technology AG. All rights reserved.
Legal Provisions SMA Solar Technology AG
Service ManualSTP5-12TL-20-SG-en-122

Table of Contents
1 Information on this Document ................................................. 4
2 Safety......................................................................................... 6
2.1 Skills of Qualified Persons .................................................................. 6
2.2 Safety Precautions............................................................................... 6
3 Disconnecting the Inverter from Voltage Sources.................. 8
4 Cleaning the Inverter................................................................ 10
5 Checking the PV System for Ground Faults............................ 11
6 Checking the Function of the Varistors.................................... 14
7 Replacing the Varistors ............................................................ 16
8 Cleaning the Fans ..................................................................... 17
9 Checking the Function of the Fans........................................... 19
10 Troubleshooting ........................................................................ 20
10.1 LED Signals.......................................................................................... 20
10.2 Error Messages ................................................................................... 21
10.3 Event Messages................................................................................... 27
11 Recommissioning the Inverter.................................................. 28
12 Decommissioning the Inverter ................................................. 30
13 Spare Parts................................................................................ 33
14 Contact....................................................................................... 34
Table of Contents
SMA Solar Technology AG
Service Manual 3STP5-12TL-20-SG-en-12

1 Information on this Document
This document describes how to rectify certain errors and how to replace defective components.
This document is a supplement to the documentation that is provided with each product. It does not
replace any locally applicable standards or directives. Read and observe all documentation
supplied with the product.
Validity
This document is valid for the following device types from firmware version2.52:
• STP 5000TL-20 (Sunny Tripower 5000TL)
• STP 6000TL-20 (Sunny Tripower 6000TL)
• STP 7000TL-20 (Sunny Tripower 7000TL)
• STP 8000TL-20 (Sunny Tripower 8000TL)
• STP 9000TL-20 (Sunny Tripower 9000TL)
• STP 10000TL-20 (Sunny Tripower 10000TL)
• STP 12000TL-20 (Sunny Tripower 12000TL)
Target Group
This document is intended for qualified persons. Only persons with the appropriate skills are
allowed to perform the activities described in this document (see Section2.1 "Skills of Qualified
Persons", page6).
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
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
1 Information on this Document SMA Solar Technology AG
Service ManualSTP5-12TL-20-SG-en-124

Nomenclature
Complete designation Designation in this document
Electronic Solar Switch ESS
PV system System
SMA Bluetooth® Wireless Technology Bluetooth
Sunny Boy Inverter, product
1 Information on this Document
SMA Solar Technology AG
Service Manual 5STP5-12TL-20-SG-en-12

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 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
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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.
2 Safety SMA Solar Technology AG
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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 seal of the enclosure lid in sub-zero conditions
If you open the enclosure lid in sub-zero conditions, the sealing of the enclosure lid can be
damaged. This can lead to moisture entering the inverter.
• Do not open the inverter at ambient temperatures lower than -5°C.
• If a layer of ice has formed on the seal of the enclosure lid in sub-zero conditions, remove it
prior to opening the inverter (e.g. by melting the ice with warm air). Observe the applicable
safety regulations.
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 clean water and a cloth only.
2 Safety
SMA Solar Technology AG
Service Manual 7STP5-12TL-20-SG-en-12

3 Disconnecting the Inverter from Voltage Sources
Prior to performing any work on the inverter, always disconnect it from all voltage sources as
described in this section. It is important to always observe the prescribed sequence.
Destruction of the measuring device due to overvoltage
• Only use measuring devices with a DC input voltage range of 1,000V or higher.
1. Disconnect the circuit breaker from all three line conductors and secure against reconnection.
2. Remove the ESS.
3. Loosen two screws of the protective cover using an Allen key (AF5) and remove the protective
cover.
4. Use a current clamp to ensure that no current is present in the DC cables.
5. Release and remove all DC connectors. Insert a
flat-blade screwdriver or an angled screwdriver
(blade width: 3.5mm) in one of the side slots
and pull the DC connectors straight out. Do not
pull on the cable.
6.
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.
7. Ensure that no voltage is present at the DC inputs of the inverter.
8. Unscrew all the screws of the enclosure lid using an Allen key (AF5) and remove the
enclosure lid.
9. Use an appropriate measuring device to ensure that no voltage is present at the AC
connecting terminal plate between L1 and N, L2 and N, and L3 and N. Insert a test probe in
each round opening of the terminal.
10. Use an appropriate measuring device to ensure that no voltage is present at the AC
connecting terminal plate between L1 and PE, L2 and PE, and L3 and PE. Insert a test probe
in each round opening of the terminal.
11. Ensure that no voltage is present between any terminal of the multifunction relay and PE of the
AC connecting terminal plate.
3 Disconnecting the Inverter from Voltage Sources SMA Solar Technology AG
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12.
Damage to the inverter due to electrostatic discharge
The internal components of the inverter can be irreparably damaged by electrostatic
discharge.
• Ground yourself before touching any component.
3 Disconnecting the Inverter from Voltage Sources
SMA Solar Technology AG
Service Manual 9STP5-12TL-20-SG-en-12

4 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 clean water and a cloth only.
4 Cleaning the Inverter SMA Solar Technology AG
Service ManualSTP5-12TL-20-SG-en-1210