SMA 15000TL Manual de usuario
Service Manual for Installers
SUNNY TRIPOWER 15000TL / 17000TL /
20000TL / 25000TL
STP15-25TL-30-SG-en-12 | Version 1.2ENGLISH
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. Missing designations do not
mean that a product or brand is not a registered trademark.
Modbus® is a registered trademark of SchneiderElectric and is licensed by the
ModbusOrganization,Inc.
QRCode is a registered trademark of DENSOWAVEINCORPORATED.
Phillips® and Pozidriv® are registered trademarks of PhillipsScrewCompany.
Torx® is a registered trademark of AcumentGlobalTechnologies,Inc.
SMA Solar Technology AG
Sonnenallee 1
34266 Niestetal
Germany
Tel. +49 561 9522-0
Fax +49 561 9522-100
www.SMA.de
Email: [email protected]
Copyright © 2016 SMA Solar Technology AG. All rights reserved.
Legal Provisions SMA Solar Technology AG
Service Manual for InstallersSTP15-25TL-30-SG-en-122
Table of Contents
1 Information on this Document................................................. 4
1.1 Validity ............................................................................................... 4
1.2 Target group ...................................................................................... 4
1.3 Symbols.............................................................................................. 4
1.4 Nomenclature.................................................................................... 5
2 Safety ........................................................................................ 6
2.1 Safety Information ............................................................................. 6
2.2 Disconnecting the Inverter from Voltage Sources............................ 7
3 Cleaning the Inverter ............................................................... 11
4 Retrofitting the Surge Arrester Type II.................................... 12
5 Troubleshooting........................................................................ 13
5.1 Event Messages................................................................................. 13
5.2 Error Messages.................................................................................. 14
6 Cleaning the Fans..................................................................... 23
6.1 Cleaning the Fan at the Bottom ........................................................ 23
6.2 Cleaning the Fan on the Left-Hand Side of the Enclosure............... 24
7 Checking the Function of the Fans .......................................... 27
8 Checking the PV System for Ground Faults ........................... 28
9 Checking the Function of the Surge Arresters........................ 32
10 Replacing the Surge Arrester .................................................. 34
11 Recommissioning the Inverter ................................................. 36
12 Procedure for Receiving a Replacement Device.................... 39
13 Decommissioning the Inverter................................................. 43
14 Spare Parts ............................................................................... 45
15 Contact ...................................................................................... 46
Table of Contents
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Service Manual for Installers 3STP15-25TL-30-SG-en-12
1 Information on this Document
1.1 Validity
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.
This document is valid for the following device types:
• STP 15000TL-30 (Sunny Tripower 15000TL)
• STP 17000TL-30 (Sunny Tripower 17000TL) (This device is only available as a service
product)
• STP 20000TL-30 (Sunny Tripower 20000TL)
• STP 25000TL-30 (Sunny Tripower 25000TL)
1.2 Target group
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 installations
• Training in the installation and commissioning of electrical devices and installations
• Knowledge of the applicable standards and directives
• Knowledge of and compliance with this document and all safety information
1.3 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
1Information on this Document SMA Solar Technology AG
Service Manual for InstallersSTP15-25TL-30-SG-en-124
Symbol Explanation
Desired result
A problem that might occur
1.4 Nomenclature
Complete designation Designation in this document
SunnyTripower Inverter, product
1 Information on this Document
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Service Manual for Installers 5STP15-25TL-30-SG-en-12
2 Safety
2.1 Safety Information
This section contains safety information 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 observe all safety information 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 non-insulated cable ends.
• Do not touch the DC conductors.
• Do not touch any live components of the inverter.
• Have the inverter mounted, installed and commissioned only by qualified persons with the
appropriate skills.
• 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.
Danger to life due to electric shock
Touching an ungrounded PV module or array frame can cause a lethal 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 burns due to hot enclosure parts
Some parts of the enclosure can get hot during operation.
• Do not touch any parts other than the lower enclosure lid of the inverter during operation.
2Safety SMA Solar Technology AG
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Damage to seals on the enclosure lids in subfreezing conditions
If you open the upper and lower enclosure lids when temperatures are below freezing, the
enclosure seals 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 lid when temperatures are below freezing,
remove it prior to opening the enclosure lids of the inverter (e.g. by melting the ice with
warm air). Observe the applicable safety regulations.
2.2 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. Always adhere to the prescribed sequence.
Damage to seals on the enclosure lids in subfreezing conditions
If you open the upper and lower enclosure lids when temperatures are below freezing, the
enclosure seals 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 lid when temperatures are below freezing,
remove it prior to opening the enclosure lids of the inverter (e.g. by melting the ice with
warm air). Observe the applicable safety regulations.
Destruction of the measuring device due to overvoltage
• Only use measuring devices with a DC input voltage range of 1000V or higher.
Procedure:
1. Disconnect the circuit breaker from all three line conductors and secure it against
reconnection.
2. Turn the DC load-break switch to the position O.
3. If the multifunction relay is used, switch off any supply voltage to the load.
2 Safety
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Service Manual for Installers 7STP15-25TL-30-SG-en-12
4. Wait until the LEDs have gone out and, if necessary, the load connected to the multifunction
relay has been switched off.
5. Use a current clamp to ensure that no current is present in the DC cables.
6. Unscrew the two screws on the DC load-break
switch using an Allen key (AF3).
7. Pull the DC load-break switch down and out of
the recess.
8. Remove all six screws from the lower enclosure
lid using an Allen key (AF 3).
9. Lift and remove the lower enclosure lid from
below.
2Safety SMA Solar Technology AG
Service Manual for InstallersSTP15-25TL-30-SG-en-128
10.
Risk of burns when touching the DC protective cover
The DC protective cover can get hot during operation.
• Do not touch the DC protective cover.
11. Release and remove all DC connectors. Insert a
slotted screwdriver or an angled screwdriver
(blade width 3.5mm) into one of the slide slots
and pull the DC connectors out downwards. Do
not pull on the cable.
12. Ensure that no voltage is present at the DC inputs of the inverter.
13. 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 the test probe of the
multimeter into the round opening of the
terminal.
14. 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 the test
probe into the round opening of each terminal.
15. Ensure that no voltage is present between any terminal of the multifunction relay and PE of the
AC connecting terminal plate.
16.
Danger to life due to high voltages in the inverter
The capacitors in the inverter take 20minutes to discharge.
• Wait 20minutes before opening the upper enclosure lid.
• Do not open the DC protective cover.
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Service Manual for Installers 9STP15-25TL-30-SG-en-12
17.
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.
2Safety SMA Solar Technology AG
Service Manual for InstallersSTP15-25TL-30-SG-en-1210
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