Xantrex™ GT30 Grid-Tied Photovoltaic Inverter
Xantrex™ GT30
Grid-Tied Photovoltaic
Inverter
Installation, Operation and Maintenance
Manual
www.schneider-electric.com
Xantrex GT30
Grid-Tied Photovoltaic
Inverter
Installation, Operation and Maintenance
Manual
www.schneider-electric.com
About Schneider Electric
As a global specialist in energy management with operations in more than 100 countries, Schneider Electric
offers integrated solutions across multiple market segments, including leadership positions in energy and
infrastructure, industrial processes, building automation, and data centres/networks, as well as a broad
presence in residential applications. Focused on making energy safe, reliable, and efficient, the company's
120,000 employees achieved sales of more than 17.3 billion euros in 2007, through an active commitment to
help individuals and organizations “Make the most of their energy”. www.schneider-electric.com
Trademarks
Schneider Electric, the Schneider Electric logo, and Xantrex are trademarks or registered trademarks of
the Schneider Electric group of companies. Other trademarks, registered trademarks, and product names are
the property of their respective owners and are used herein for identification purposes only.
Notice of Copyright
Copyright © 2009, 2010 Xantrex Technology Inc. All rights reserved. No part of this document may be
reproduced in any form or disclosed to third parties without the express written consent of:
Xantrex Technology Inc.
161-G South Vasco Road
Livermore, California USA 94551
Xantrex Technology Inc. reserves the right to revise this document and to periodically make changes to the
content hereof without obligation or organization of such revisions or changes unless required to do so by
prior arrangement.
Exclusion for Documentation
UNLESS SPECIFICALLY AGREED TO IN WRITING, XANTREX TECHNOLOGY INC. (“XANTREX”)
(A) MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR
OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION;
(B) ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES, DAMAGES, COSTS OR EXPENSES, WHETHER
SPECIAL, DIRECT, INDIRECT, CONSEQUENTIAL OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF SUCH
INFORMATION. THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER ’S RISK; AND
(C) REMINDS YOU THAT IF THIS MANUAL IS IN ANY LANGUAGE OTHER THAN ENGLISH, ALTHOUGH STEPS
HAVE BEEN TAKEN TO MAINTAIN THE ACCURACY OF THE TRANSLATION, THE ACCURACY CANNOT BE
GUARANTEED. APPROVED CONTENT IS CONTAINED WITH THE ENGLISH LANGUAGE VERSION WHICH IS
POSTED AT www.schneider-electric.com.
Date and Revision
March 2010 Revision B
Part Number
1-153405-01
Contact Information
Telephone:
Fax:
Email:
Web:
ii
1 408 987 6255
1 925 245
re.techsupport@schneider-electric.com
www.schneider-electric.com
About This Manual
Purpose
The purpose of this Installation, Operation and Maintenance Manual is to provide
explanations and procedures for installing, commissioning, operating,
troubleshooting and maintaining the Xantrex GT30 Grid-Tied Photovoltaic
Inverter.
Audience
Chapter 1 and Chapter 2 are intended for anyone who needs to operate the
Xantrex GT30 Grid-Tied Photovoltaic Inverter. Operators must be familiar with
all the safety regulations pertaining to operating high-voltage equipment as
dictated by local code. Operators must also have a complete understanding of this
equipment’s features and functions. Do not to use this product unless it has been
installed by qualified personnel in accordance with the instructions in Chapter 3,
“Installation”.
Chapter 3, Chapter 4, Chapter 5, Chapter 6 and Chapter 7 are intended for
qualified personnel who need to install the Xantrex GT30 Grid-Tied Photovoltaic
Inverter. Only qualified personnel should perform the transportation, installation,
commissioning and maintenance of the Xantrex GT30.
Qualified personnel have training, knowledge, and experience in:
•
•
•
•
installing electrical equipment and PV power systems (up to 1000 V),
applying all applicable installation codes,
analyzing and reducing the hazards involved in performing electrical work,
and,
selecting and using Personal Protective Equipment (PPE).
Organization
This Manual is organized into seven chapters and three appendices.
Chapter 1, “Introduction” contains information about the features and functions of
the Xantrex GT30 Grid-Tied Photovoltaic Inverter.
Chapter 2, “Operation” contains information on the basic operation of the Xantrex
GT30 Grid-Tied Photovoltaic Inverter.
Chapter 3, “Installation” provides information and procedures for installing the
Xantrex GT30 Grid-Tied Photovoltaic Inverter.
Chapter 4, “Commissioning” contains information on safely commissioning the
Xantrex GT30 Grid-Tied Photovoltaic Inverter.
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About This Manual
Chapter 5, “Remote Programming and Advanced Settings” contains information
for using remote control features and adjusting customizable settings for
optimization.
Chapter 6, “Troubleshooting” contains information and procedures for
troubleshooting the Xantrex GT30 Grid-Tied Photovoltaic Inverter. It provides
descriptions of common situations and errors that may occur and provides
possible solutions for resolving fault conditions. It also provides instructions for
clearing faults manually, if required.
Chapter 7, “Preventative Maintenance” contains information and procedures for
performing preventative maintenance on the Xantrex GT30 Grid-Tied
Photovoltaic Inverter.
Appendix A provides the environmental and electrical specifications for the
Xantrex GT30 Grid-Tied Photovoltaic Inverter.
Appendix B contains the Commissioning Test Record for the Xantrex GT30 GridTied Photovoltaic Inverter.
Appendix C contains the Commissioning Test Record for the GT30 Grid-Tied
Photovoltaic Inverter.
Conventions Used
The following conventions are used in this guide.
WARNING
Warnings identify conditions or practices that could result in personal injury or
loss of life
CAUTION
Cautions identify conditions or practices that could result in damage to the unit or
other equipment.
Important: These notes describe things which are important for you to know,
but are not as serious as a caution or warning.
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1-153405-01
About This Manual
Abbreviations and Acronyms
ANSI
American National Standards Institute
CSA
Canadian Standards Association
GUI
Graphical User Interface
IEEE
Institute of Electrical and Electronics Engineers
IGBT
Insulated Gate Bipolar Transistor
NEC
(US) National Electric Code
NFPA
National Fire Protection Association
PV
Photovoltaic
PV GFP
PV Ground Fault Protection
STC
STC - Standard Test Conditions - solar panel specifications are
based on standard conditions such as irradiance of 1000W/m2
UL
Underwriters Laboratory
Definitions
PV Monopole
In this manual, PV monopole refers to a single photovoltaic
source connected to the PV1 terminals or the PV2 terminals.
Two equal PV monopoles of opposite polarity, with respect
to earth ground, must be used to configure the bipolar array
required to operate the Xantrex GT30.
PV Subarray
In this manual, the term PV subarray is interchangeable with
the term PV monopole.
Related Information
You can find more information about Xantrex Technology Inc. as well as its
products and services at www.xantrex.com
1-153405-01
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vi
IMPORTANT SAFETY INSTRUCTIONS
READ AND SAVE THESE INSTRUCTIONS - DO NOT DISCARD
This manual contains important safety instructions for the Xantrex GT30 GridTied Photovoltaic Inverter that must be followed during installation and
maintenance procedures.
WARNING: Limitations on Use
The Xantrex GT30 Grid-Tied Photovoltaic Inverter is not intended for use in
connection with life support systems or other medical equipment or devices.
WARNING: Shock Hazard
Before operating or performing maintenance on the Xantrex GT30, read all
instructions, safety information, and all other appropriate sections of this manual.
Failure to adhere to these warnings could result in severe shock or possible death.
Exercise extreme caution at all times to prevent accidents.
WARNING: Shock Hazard
• The Xantrex GT30 inverter enclosure contains exposed hazardous voltage
conductors. The inverter enclosure covers should remain in place and secured
by all provided screws, except during maintenance or testing.
• These instructions are for use by qualified personnel who meet all local and
governmental code requirements for licensing and training for the installation
of Electrical Power Systems with AC and DC voltage to 1000 volts.
• To reduce the risk of electric shock, do not perform any installation or
servicing unless you are qualified to do so.
• Do not open the enclosure if extreme moisture is present (rain or heavy dew).
• Follow the “Lockout and Tag/Isolation Procedure” on page x.
WARNING: Shock Hazard from Multiple Locations
• In order to remove all sources of voltage from the Xantrex GT30, all sources of
incoming power must be de-energized. To fully remove AC power, you must
open the main utility circuit breaker. Only opening the Xantrex GT30's AC
disconnect switch (breaker) leaves live parts at the inverter's AC output
terminals energized.
• To completely de-energize the two PV input circuits, you must open all field
PV disconnect switches or remove all PV string fuses in all field PV combiner
boxes. Only opening the Xantrex GT30's PV disconnect switch leaves live
parts at the inverter's PV input terminals energized. Review the system
configuration to determine all of the possible sources of energy.
• In addition, allow five minutes for the internal DC bus capacitors to discharge
after removing power before removing the covers.
• Follow the “Lockout and Tag/Isolation Procedure” on page x.
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Safety
WARNING: Shock Hazard
If there is a PV array ground fault in the field, as indicated by the Xantrex GT30
display panel, normally grounded parts and conductors of the inverter, arrays, and
other PV equipment may be ungrounded and energized at hazardous voltage, even
when the integral and field PV disconnects are opened and PV string fuses
removed.
WARNING: Crush Hazard
The Xantrex GT30 weighs enough to cause injury if it is dropped or falls onto a
part of the body. Exercise caution and correct procedures when lifting, moving,
or mounting the inverter. The inverter must be secured in place in accordance with
these instructions.
WARNING: Burn Hazard
The Xantrex GT30 contains internal components that become hot during normal
operation. Be extremely careful not to touch any internal components during
maintenance or testing if the unit is still at operating temperature.
Risks
CAUTION: Risk of Overheating
The Xantrex GT30 incorporates an air intake and two exhaust air areas, which
must remain unobstructed during use. Failure to follow clearance requirements
around the unit can result in the inverter overheating, leading to reduced output or
to shutdown.
CAUTION: Risk of Damage Due to Static Discharge
Sensitive electronics inside the Xantrex GT30 can be destroyed if touched by an
electrostatically charged person or object. Follow proper electrostatic discharge
(ESD) protection procedures when working on the inverter.
General Safety Precautions
1. Obey all worker safety codes and regulations. Never work alone when
installing this equipment. A team of two is required until the equipment is
properly closed and secured.
2. When installing the Xantrex GT30 use only components recommended or
sold by Xantrex. Doing otherwise may result in a risk of fire, electric shock,
injury to persons, and will void the warranty.
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1-153405-01
Safety
3. Do not attempt to install the Xantrex GT30 if it has been dropped, or received
more than cosmetic damage during transport or shipping. If the Xantrex GT30
is damaged, or suspected to be damaged, see “Warranty and Return
Information”.
4. Before installing and using the Xantrex GT30 Inverter, read all instructions
and cautionary markings on the unit and all appropriate sections of this
manual. Be sure to read all instructions and cautionary markings for any
equipment used as part of the installation of this unit.
5. To avoid a risk of fire and electric shock, ensure that existing wiring is in good
condition and that wire is not undersized. Do not operate the Xantrex GT30
with damaged or substandard wiring.
6. Do not disassemble the Xantrex GT30. It contains no user-serviceable parts.
See Warranty for instructions on obtaining service. Attempting to service the
Xantrex GT30 yourself will void your warranty and may result in a risk of
electrical shock or fire.
7. Use insulated tools to reduce the chance of short-circuits when installing or
working with the inverter or a PV array. Thoroughly inspect the equipment
prior to energizing. Verify that no tools or equipment have inadvertently been
left behind.
8. Several diagrams contained within this manual are basic in nature and are
included only to depict different installation options. All details may not be
shown, and as such, local electrical codes must still be referenced.
9. The Xantrex GT30 unit is designed and certified for full power operation at
ambient temperatures up to 50 °C. Operation above 50 °C is outside the rated
operating range, and may result in reduced output or shutdown.
Safety Equipment
Authorized service personnel must be equipped with standard safety equipment
including the following:
•
•
•
•
•
Safety glasses
Steel-toed safety boots
Safety hard hats
Padlocks and tags
Appropriate meter to verify that the circuits are de-energized
(1000 Vac and Vdc rated, minimum)
Check local safety regulations for other requirements.
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Safety
Lockout and Tag/Isolation Procedure
Safety requirements mandate that this equipment not be serviced while energized.
Power sources for the Xantrex GT30 must be locked-out and tagged prior to
servicing. A padlock and tag should be installed on each energy source prior to
servicing.
WARNING: Shock Hazard
Review the system schematic for the installation to verify that all available energy
sources are de-energized. DC bus voltage may also be present. Be sure to wait the
full five minutes to allow the capacitors to discharge completely
The Xantrex GT30 can be energized from both the AC source and the DC
source. To ensure that the inverter is de-energized prior to servicing, lockout
and tag the Xantrex GT30 using the following procedure.
1. Turn the Xantrex GT30 AC disconnect to the OFF position. This stops the
inverter from exporting power to the AC utility grid.
2. Turn the Xantrex GT30 PV disconnect switch to the OFF position. See Figure
1-1 on page 1–4 for the location of the PV disconnect switch.
3. Open, lockout, and tag the AC power at the utility circuit breaker.
4. Open, lockout and tag all PV field disconnect switches. If PV field disconnect
switches are not used, pull all PV string fuses in all PV string combiner
enclosures, lock and tag all PV combiner enclosures.
5. Using a voltmeter that has been verified to be functioning properly by testing
it on a known source, verify all power to the inverter is de-energized. Check
the following locations:
•
•
AC Utility Terminals: [L1, L2, L3, N]
See Figure 3-6 on page 3–13 for the location of these terminals.
PV Terminals: [PV1+, PV1–, PV2+, PV2–]
See Figure 3-6 on page 3–13 for the location of these terminals.
6. If there is a voltage to ground/chassis on terminal PV1- or PV2+, sub-array
PV1 or PV2 respectively have a fault to ground. The ground fault must be
repaired before the Xantrex GT30 is safe for servicing.
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1-153405-01
Safety
Regulatory/Standards Compliance
The Xantrex GT30 Grid-Tied Photovoltaic Inverter is CSA certified to
appropriate US and Canadian standards. See page A–3 in Appendix A,
“Regulatory Specifications” for more detailed information.
The Xantrex GT30 Grid-Tied Photovoltaic Inverter is intended to be used for
commercial and industrial applications. Do NOT use this unit for applications for
which it is not listed (i.e., residential, land vehicles or marine craft). It may not
comply with the safety code requirements or could possibly present other
operational or safety hazards.
FCC Statement
The Xantrex GT30 Grid-Tied Photovoltaic Inverter has been tested and found to
comply with the limits for a Class A digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential
area is likely to cause harmful interference in which case the user will be required
to correct the interference at his own expense.
Modifications not expressly approved by the manufacturer could void the user's
authority to operate the equipment under FCC rules.
Industry Canada Compliance Statement
This Class A digital apparatus meets the requirements of the Canadian
Interference-Causing Equipment Regulations.
Intended Use
The Xantrex GT30 may only be used in connection with PV modules. It is not
suitable for use with batteries or any other applications.
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Safety
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Contents
IMPORTANT SAFETY INSTRUCTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - vii
1 Introduction
Description of the GT30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–2
Advanced Design Features - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–2
Physical Characteristics - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–3
Operator Interface Controls - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–3
AC Disconnect and PV Disconnect Switches - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–4
Remote ON/OFF Switch - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–4
Operation Features- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–5
Fixed Unity Power Factor Operation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–5
Peak Power Tracking - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–5
Utility Voltage/Frequency Fault Automatic Reset - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–5
Inverter Functions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–6
Power Quality - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–6
Standby Mode - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–6
Remote Access and Firmware Download - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–6
Fault Notification - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–6
Fault Conditions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–7
Safety and Protection Features- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–7
Anti-Islanding Protection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–7
PV Ground Fault Protection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–8
IGBT Device Protection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–8
Under and Over Voltage and Frequency Detection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–8
Phase Rotation Detection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–8
Additional Protection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–9
Communication Features and Methods - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–10
LCD System Status and Fault Reporting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–10
Optional Equipment - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–10
Communication Modems - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–10
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Contents
2 Operation
Description of System Operation- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Overview - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Operating States - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Initializing - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Sleep - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Wake-up - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Power Tracking - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Sleep Test - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - System Fault - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Shutdown State - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - De-Energize Procedure (Shutdown Mode) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Energize Procedure (Startup) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
2–2
2–2
2–2
2–4
2–4
2–4
2–4
2–4
2–4
2–5
2–5
2–5
3 Installation
Overview of GT30 Installation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–4
PV Planning - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–5
Environmental Requirements - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–6
Grounding Requirements - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–6
System Neutral Requirements- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–6
Pre-Installation- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–7
Knockout Preparation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–7
Tools Required - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–7
Mounting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–8
Wiring Compartment - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3–12
Wiring Requirements - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3–14
AC Interface - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3–15
DC Interface - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3–17
Communications Interface - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3–19
4 Commissioning
Commissioning Procedure - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Starting the Commissioning Test- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Serial Number - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Inspect and Verify Field Wiring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - AC Wiring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - DC Wiring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Verify Voltages - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - AC Voltages - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - DC Voltages - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Startup - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Completed Commissioning - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - xiv
4–2
4–3
4–3
4–3
4–3
4–3
4–4
4–4
4–4
4–6
4–7
1-153405-01
Contents
5 Remote Programming and Advanced Settings
Computer Communications with the GT30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–2
Customizable Parameters - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–2
Data Logging - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–5
Accumulated Energy - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–5
Accumulated Energy Sold Since Commissioning - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–5
Time and Date - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–6
Data Recording - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–6
Fault History - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–6
LCD Display Text - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–7
6 Troubleshooting
Faults and Fault Codes - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6–2
General Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6–2
Clearing Faults Manually - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6–3
Fault Code Descriptions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6–3
7 Preventative Maintenance
Maintenance Safety - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7–2
Periodic Maintenance- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7–2
Monthly Maintenance - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7–2
Six-Month Maintenance - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7–3
A
Specifications
System Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -A–2
Environmental Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -A–2
Electrical Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -A–3
Regulatory Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -A–3
Over Voltage, Under Voltage and Frequency Ranges - - - - - - - - - - - - - - - - - - - - - - - - - - - -A–4
Dimensions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -A–5
B
Commissioning Test Record
Commissioning Test Record - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -B–3
Warranty and Return Information - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - WA–1
1-153405-01
xv
xvi
Figures
Figure 1-1
Figure 1-2
Figure 2-1
Figure 3-1
Figure 3-2
Figure 3-3
Figure 3-4
Figure 3-5
Figure 3-6
Figure 3-7
Figure 3-8
Figure 7-1
Figure 7-2
Figure A-1
1-153405-01
GT30 Operator Interface Components - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–3
LCD Display Location - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1–10
State Transition Diagram - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–3
GT30 Inverter Dimensions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–8
GT30 Mounting Bracket Dimensions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–9
GT30 Conduit Knockout Locations - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–10
Mounting the GT30 on a Wall or Vertical Surface - - - - - - - - - - - - - - - - - - - - - - - - - 3–11
Removing the Front Panel on the GT30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–12
GT30 Wiring Compartment - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–13
GT30 AC Connection using External Step-up Transformer - - - - - - - - - - - - - - - - - - - 3–16
GT30 Field Wiring Diagram - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–18
Location of Screened Vents for Cleaning - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7–3
GT30 Wiring Compartment - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7–4
GT30 Dimensions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -A–5
xvii
xviii
Tables
Table 2-1
Table 3-1
Table 3-2
Table 3-3
Table 5-1
Table 5-2
Table 5-3
Table 6-1
Table A-1
Table A-2
Table A-3
Table A-4
Table A-5
1-153405-01
Operating States - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2–2
PV Array Sizing Criteria for the GT30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–5
AC Conductor Size and Torque Requirements - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–15
DC Conductor Size and Torque Requirements - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3–17
Customizable Parameters - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–2
Advanced Customizable Parameters- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–4
Data Logging Parameters - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5–6
Fault Codes - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6–3
Environmental Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -A–2
Electrical Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -A–3
Regulatory Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -A–3
Over/Under Voltage and Over/Under Frequency Ranges - - - - - - - - - - - - - - - - - - - - - -A–4
Accuracy/Tolerances for Adjustable Voltage & Temperature Settings - - - - - - - - - - - - -A–4
i
ii
1
Introduction
Chapter 1, “Introduction” contains information about the features and
functions of the Xantrex GT30 Grid-Tied Photovoltaic Inverter.
Introduction
Description of the Xantrex GT30
The Xantrex GT30 Grid-Tied Photovoltaic Inverter (Xantrex GT30) is a
transformerless, system-integrated, 3-phase utility interactive power converter for
photovoltaic applications. The Xantrex GT30 is housed in a corrosion resistant
aluminum enclosure for outdoor deployment. Multiple Xantrex GT30 units may
be directly paralleled in higher power installations.
Advanced Design Features
Transformerless
Operation
The Xantrex GT30 does not require an internal or external isolation transformer
and connects directly to a 120/208Vac utility service. The associated cost, weight
and losses of an isolation transformer are eliminated.
High Efficiency
The Xantrex GT30 has a CEC conversion efficiency rating of 96%.
Low Standby Power
The Xantrex GT30 has a standby power less than 20 watts.
Imbalanced Array
Operation
The Xantrex GT30 uses a proprietary control method that allows the inverter to
continue operating in a reduced capacity with grossly imbalanced bipolar PV
arrays.
Wide PV Power
Tracking Range
The MPPT figure of merit for any PV inverter is the ratio of maximum open
circuit voltage to minimum PV power tracking voltage. The Xantrex GT30 ratio is
2.3:1 most other PV inverters have a ratio of less than 2:1.
Expandable
The Xantrex GT30 supports multiple-inverter systems for large-scale photovoltaic
power plants.
Variable Speed
Cooling Fan
The Xantrex GT30 is convection cooled using a high reliability DC brushless fan
with a variable speed control to minimize the number of fan rotations over the life
of the inverter.
HALT Tested
The Xantrex GT30 has undergone Highly Accelerated Life Testing as part of the
design process, to increase reliability.
Approvals
The Xantrex GT30 approvals include UL1741 Rev 2005 and IEEE 1547.
Auto Phase
Rotation Detection
The Xantrex GT30 automatically synchronizes to any AC utility phase rotation.
1–2
1-153405-01
Physical Characteristics
Physical Characteristics
The Xantrex GT30 is assembled in a single NEMA-3R, corrosion resistant,
powder coated, aluminum enclosure that includes two access panels, the upper
one for all the power electronics and the lower one for field wiring and
communications access.
Operator Interface Controls
Operator interface controls are located on the front face of the inverter enclosure.
These controls include a 4-line LCD display, an AC disconnect switch handle, and
an PV disconnect switch handle.
1-153405-01
1–3
Introduction
LCD
Display
PV Disconnect
AC Disconnect
ON
PV Disconnect
Switch
ON
OFF
OFF
AC Disconnect
Switch
Figure 1-1 Xantrex GT30 Operator Interface Components
1–4
1-153405-01
Operator Interface Controls
AC Disconnect and PV Disconnect Switches
When operating, the Xantrex GT30 can be switched off by rotating either the AC
or PV disconnect switch 90 degrees counter clockwise (CCW) to the off position.
Opening the AC or PV disconnect switches (placing the disconnect switch in the
OFF position) initiates an orderly shutdown of the Xantrex GT30 and power
production will cease.
Special circuitry allows the PV disconnect to be used in conjunction with internal
DC load-break contactors and DC-to-AC converter controls to perform a DC
load-break function.
WARNING: Shock Hazard
With the AC and PV disconnect switches in the OFF positions, it is NOT SAFE to
remove either front access panel. Hazardous voltages remain present on the field
wiring terminals of the disconnects unless the PV and AC circuits have been
externally disconnected. Before removing either front access panel, refer to the
“Lockout and Tag/Isolation Procedure” on page x.
Remote ON/OFF Switch
Terminals are provided for an external ON/OFF switch if remote ON/OFF control
is required or if the PV system specification requires an emergency stop switch.
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1–5
Introduction
Operation Features
The Xantrex GT30 has the following operation features.
Fixed Unity Power Factor Operation
The Xantrex GT30 maintains power factor close to unity (0.99 at full load) during
operation. The control software constantly senses utility voltage, and constructs
the output current waveform to match the utility voltage. The Xantrex GT30 is not
capable of operation without the presence of normal utility voltage, nor is it
capable of varying the output power factor from unity.
Peak Power Tracking
An advanced, field-proven, Maximum Peak Power Tracker (MPPT) algorithm
integrated within the Xantrex GT30 control software ensures the optimum power
throughput for harvesting energy from the photovoltaic array. The peak power
voltage point of a PV array can vary, primarily depending upon solar irradiance
and surface temperature of the PV panels. This peak power voltage point is
somewhat volatile, and can easily move along the I-V curve of the PV array every
few seconds. The MPPT algorithm allows the Xantrex GT30 to constantly seek
the optimum voltage and current operating points of the PV array, and maintain
the maximum peak PV output power.
Accessible using the serial ports (see Chapter 5), there are five user-settable
parameters that control the behavior of the maximum peak power tracker within
the Xantrex GT30. User settable parameters include:
•
•
•
•
•
1–6
PPT V Ref,
I PPT Max,
PPT Enable,
PPT Rate, and
PPT V Step.
1-153405-01
Inverter Functions
Utility Voltage/Frequency Fault Automatic Reset
In the event of a utility voltage or frequency excursion outside of preset
(adjustable) limits, the Xantrex GT30 will stop operation and display a fault at the
operator interface. Once the utility voltage has stabilized within acceptable limits
for a period of at least 5 minutes (adjustable), the Xantrex GT30 will
automatically clear the fault and resume normal operation.
Inverter Functions
Power Quality
The use of IGBT devices allows for high switching frequencies. The combination
of the high switching frequencies and AC line filter produces high fidelity
waveforms which are below the limits recommended in IEEE 1547 for total
harmonic current distortion as well as the limits for individual harmonics.
The inverter allows the power factor to be regulated precisely at unity, eliminating
the need for external reactive power compensation.
Standby Mode
The inverter has the ability to go into a standby mode if the photovoltaic cells are
not producing adequate energy for the inverter to generate a minimum level of
power. During standby mode the inverter will disconnect from the utility AC line
and from the PV source array, and draw a maximum of 20 watts. Standby mode
will occur during the night and when cloud cover reduces available photovoltaic
cell energy.
Remote Access and Firmware Download
Remote access is available through multiple communication options. The ability
to control and monitor the status of the inverter (including fault and data logging)
is available using remote access, see Chapter 5, “Remote Programming and
Advanced Settings”. The firmware for the main inverter microprocessor can be
upgraded using a download from local laptop or remote computer through the
remote access port.
Important: Remote downloading should only be done by Xantrex field service,
and not the customer.
Fault Notification
The inverter will provide notification to the Operator that a fault has occurred on
the inverter. Fault notification may occur through the LCD or by remote access
using the PV View Graphic User Interface (GUI) software.
1-153405-01
1–7
Introduction
Fault Conditions
The following conditions will create a fault condition and will cause the unit to
shutdown or refuse to start, and to report a fault code.
•
•
•
•
•
•
•
•
AC Frequency High or Low
AC Voltage High or Low
AC Over-Current Fault
Power Supply Fault
DC Bus Over-Voltage
PV Ground Fault
Power Matrix Over- or Under-Temp.
Disconnect Switch Open
Safety and Protection Features
The inverter has many built-in safety and protection features to prevent or limit
damage to the photovoltaic system, the inverter, and the utility distribution system
in the event of a component or system-level failure. These features provide for
orderly system shut-down with a minimum number of external protective devices.
Anti-Islanding Protection
A condition referred to as "Islanding" occurs when a distributed generation source
(such as the Xantrex GT30 Grid-tied Photovoltaic inverter) continues to energize
a portion of the utility grid after the utility experiences an interruption in service.
This type of condition may compromise personnel safety, restoration of service,
and equipment reliability.
The Xantrex GT30 employs a method for detecting the islanding condition using a
Phase-Shift-Loop (PSL). This method is implemented in the Xantrex GT30
Controller to prevent islanding of the Xantrex GT30. The Xantrex GT30
Controller continuously makes minor adjustments to the power factor phase angle
above and below unity. In the event of a utility interruption or outage, these
adjustments destabilize the feedback between the inverter and the remaining load,
resulting in an over/under frequency or voltage condition.
Upon detection of such a condition, the Xantrex GT30 then performs an
immediate orderly shutdown and opens both the main AC and DC contactors. The
fault condition will remain latched until the utility voltage and frequency have
returned to normal for at least 5 minutes.
This method has been extensively tested and proven to exceed the requirements of
IEEE-1547 (Standard for Interconnecting Distributed Resources with Electric
Power Systems) and UL 1741 (Controllers and Interconnection System
Equipment for Use With Distributed Energy Resources).
1–8
1-153405-01
Safety and Protection Features
PV Ground Fault Protection
The Xantrex GT30 will automatically detect and interrupt fault currents from the
PV array to earth ground. In normal operation, PV1- and PV2+ terminals are
electrically connected to the N (neutral) terminal within the Xantrex GT30. The N
terminal is connected to the electrical utility point of service load center and
bonded therein to the system earth ground. If either subarray experiences a ground
fault, the Xantrex GT30 automatically breaks all current carrying PV connections,
and leaves both subarrays, PV1 and PV2, ungrounded and floating. The ground
fault will be annunciated on the GT30 front panel display.
To restart the Xantrex GT30 after a ground fault has been repaired, replace all
open PV GFP fuses (Type KLKD1 only) and reset the Xantrex GT30. See Figure
3-6 on page 3–13 for location of PV GFP fuses. See page 6–3 for Xantrex GT30
reset procedure.
WARNING: Fire hazard
Replace these fuses only with fuses rated for 600VDC, 1A type KLKD 1 or
equivalent.
IGBT Device Protection
IGBTs are protected against DC over-voltage and AC over-current, and DC
desaturation conditions by control hardware and firmware within the inverter. The
temperature of the primary heatsink for the IGBT devices is monitored. In the
event an over-temperature condition, the power tracker is adjusted to reduce the
dissipation in the inverter in an attempt to continue delivering power to the utility.
If the over-temperature conditions persists, the inverter will go into overtemperature fault shutdown response and will re-start when the heatsink returns to
an acceptable temperature.
Under and Over Voltage and Frequency Detection
The inverter constantly monitors the grid voltage and frequency. During
conditions where the utility voltage or frequency are outside acceptable adjustable
limits, the inverter automatically ceases to export power until the grid recovers.
These setpoints are field adjustable, subject to acceptance of the new setpoints by
the utility or authority having jurisdiction. This is in compliance with UL 1741
Rev 2005 and IEEE 1547.
Phase Rotation Detection
The inverter automatically detects the phase rotation of the 3-phase input upon
power-up, and sets the AC output reference accordingly.
1-153405-01
1–9
Introduction
Additional Protection
•
•
•
•
•
•
1–10
AC circuit breaker at the AC input line to protect from utility short circuit
contribution
AC voltage imbalance detection to prevent operation with a blown fuse
(single-phasing)
AC Current Imbalance
PV over-voltage and over-current protection
Utility DC injection
Over-temperature protection for the inverter bridge to protect against IGBT
damage by reducing output or shutting down the inverter to limit temperatures
1-153405-01
Communication Features and Methods
Communication Features and Methods
The Xantrex GT30 provides system status, fault information and historical
performance data information to the user.
System status and fault information can be accessed using the front panel LCD,
using an RS232 connection to a PC or using an RS485/Modbus connection to a
remote monitoring system. Data logging is available using the RS232 or the
RS485/Modbus connection, see Chapter 5.
LCD System Status and Fault Reporting
Basic system status and all fault conditions rising from within the Xantrex GT30
are available to the user. The 4-line LCD will display a brief text description of the
fault. See Chapter 5, “Remote Programming and Advanced Settings” for
information on the text that will display during different situations.
LCD Display
PV Disconnect
ON
AC Disconnect
ON
OFF
OFF
Figure 1-2 LCD Display Location
Optional Equipment
The following options are available for purchase for use with the Xantrex GT30 to
enhance its capability. Contact a Xantrex distributor for further information on
installation options.
Communication Modems
Xantrex offers modems that can be connected to the RS232 serial port for remote
monitoring of the inverter. Please check with Xantrex on available modem types.
The remote user has the ability to control and monitor the status of the inverter
through this connection.
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1–11
Introduction
1–12
1-153405-01
2
Operation
Chapter 2, “Operation” contains information on the basic operation of
the Xantrex GT30 Grid-Tied Photovoltaic Inverter.
Operation
Description of System Operation
Overview
The Xantrex GT30 is a fully automated grid-interactive photovoltaic power
inverter. System startup, system shutdown, PV power tracking, and fault detection
scenarios are all governed and monitored by the Xantrex GT30 controller. Manual
interaction or control of the inverter is necessary only in the event of a system
fault that cannot be automatically cleared. Additionally, the following conditions
govern operation of the Xantrex GT30.
•
•
•
•
•
Stable utility AC voltage and frequency as specified in Table A-2 must be
present for all states of operation.
PV voltage as specified in Table A-2 must be present.
Both the AC and PV disconnect switches must be in the ON or closed
position.
Fault conditions must not be present.
Remote shutdown terminals RSD+ and RSD– must be shorted together by
switch closure or wire jumper.
Operating States
A state machine implemented within the Xantrex GT30 control software governs
the operation of the Xantrex GT30 with clearly defined transitions between its
operating states. There are five steady-state operating states and numerous
intermediate transition states.
Table 2-1 Operating States
State
Process
Initializing
Sleep
Wake-up
Power Tracking
Sleep Test
Fault
Shutdown
Initializing
Insufficient PV Voltage
Sufficient PV Voltage Testing
Inverter is Running
Inverter is Running and Power is low.
Inverter Disconnected due to a Fault
PV disconnect is open, remote shutdown command is
asserted from the user interface, or remote shutdown
terminal current loop is opened
The user should be aware of the following conditions governing state transitions:
•
2–2
Qualified utility voltage must be present for all states of operation.
1-153405-01
Operating States
•
•
Fault states are automatic from any state of operation. A fault will cause the
Xantrex GT30 to immediately stop processing all power. The fault condition
will be reported on the front panel LCD.
Most Xantrex GT30 faults are auto-clearing and must be cleared (either by
waiting for the auto-clear to resolve or by manually clearing it) before
transitioning to another operating state.
APPLY
POWER
OPEN SWITCH OR
REMOTE SHUTDOWN
INITIALIZING
SHUTDOWN
SLEEP
CLOSE SWITCH
OR REMOTE ENABLE
CONTACTORS
OPEN
CONTACTORS
OPEN
V<
PV V
START
V>
PV V
START
WAKE-UP
TEST
5 MINUTES
SYSTEM
FAULT
CONTACTORS
OPEN
AUTO-CLEAR
DELAY
5 MINUTES
ONLINE
CONTACTORS
CLOSE
P>
P_MIN
P<
P_MIN
SLEEP TEST
5 MINUTES
Figure 2-1 State Transition Diagram
These operating states are commanded by the state machine according to the
conditions applied to the inverter, compared to the parameters set at the factory
and by the user.
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2–3
Operation
Initializing
When powered up, the Xantrex GT30 will invoke the INITIALIZATION state.
Upon completion of initialization, the Xantrex GT30 will transition to the SLEEP
State.
The Xantrex GT30 will perform a fuse test during initialization, if the PV voltage is
sufficient. When the PV voltage is low, the fuse test will continue until the voltage
rises. Once the fuse test passes, the DC Ground contactors (KCOM+ and KCOM-)
are closed and remain closed at all times, unless a ground fault is detected.
Sleep
While in the SLEEP state, the Xantrex GT30 will monitor the PV input voltage to
determine if it is time to start. The inverter monitors the status of the PV array and
utility grid, waiting in standby until the PV array is available to produce power to
the grid.
Wake-up
When the PV voltage is greater than the user settable minimum start voltage, and
no fault conditions exist, the state changes to WAKEUP. Adhering to a UL 1741
rev 2005 and IEEE 1547 stipulation, this state is maintained for five minutes
(default). After remaining in WAKEUP state exclusively for five minutes, the
state will transition to POWER TRACKING.
Power Tracking
In this state the inverter is energized. Maximum Power Point Tracker (MPPT)
mode is the default mode in this state. MPPT may be turned off from the user
interface, in which case the inverter operating voltage stays at a settable voltage
value.
Sleep Test
While POWER TRACKING, if power drops below 300W (default) the state
changes to SLEEP TEST.
If power rises back above the set point for minimum power during SLEEP TEST
state, then the state returns to POWER TRACKING. If the power remains below
the user settable minimum power or if the PV voltage drops below the Minimum
Operating Voltage for a user settable amount of time, the state will transition back
to SLEEP.
System Fault
With the exception of the Stop State, regardless of which state the machine is in, it
will transition to the FAULT state if any fault is detected in the inverter.
Transitions to the fault state follows the same sequence as transitions to the
SLEEP state. In this state the inverter is disconnected from the AC line. If the fault
requires manual reset, the inverter will exit the fault state only when the cause of
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De-Energize Procedure (Shutdown Mode)
the fault is no longer present and the user manually clears the fault. In the case of
an auto-clear fault the inverter exits the fault state when the fault condition has
cleared and at least 5 minutes has elapsed from the beginning of the fault. Refer to
Chapter 6, “Troubleshooting” for additional information.
Shutdown State
Regardless of which state the machine is in, if the PV disconnect is open, the
remote shutdown command is asserted from the user interface, or the remote
shutdown terminal current loop is opened, the inverter will transition into
Shutdown state.
De-Energize Procedure (Shutdown Mode)
In order to stop the Xantrex GT30 from operating:
1. Open the Xantrex GT30 AC disconnect switch.
2. Open the Xantrex GT30 PV disconnect switch.
In order to stop the Xantrex GT30 from exporting power and converting, but
still maintain communication and front panel display:
1. Open the Xantrex GT30 PV disconnect switch.
2. OR use the optional remote on/off if you have one installed.
Energize Procedure (Startup)
To start up the Xantrex GT30:
1. Remove any lockout devices from the utility connection circuit breaker and
PV disconnect switch/PV combiner boxes.
2. Close the utility connection circuit breaker and PV field disconnect switches.
3. Close the Xantrex GT30 AC disconnect switch, wait for the inverter to
complete initialization.
4. Close the Xantrex GT30 PV disconnect switch.
After the initialization period, the Xantrex GT30 will automatically transition to
‘Sleep’ then ‘Wakeup’, given the PV voltage is greater than the PV V Start set
point.
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2–5
2–6
WARNING: Fire, Shock, and Energy Hazards
Chapter 3, Chapter 4, Chapter 5, Chapter 6 and Chapter 7 are intended for
qualified personnel who need to install the Xantrex GT30 Grid-Tied Photovoltaic
Inverter. Only qualified personnel should perform the transportation, installation,
commissioning and maintenance of the Xantrex GT30.
Qualified personnel have training, knowledge, and experience in:
•
•
•
•
installing electrical equipment and PV power systems (up to 1000 V),
applying all applicable installation codes,
analyzing and reducing the hazards involved in performing electrical work,
and,
selecting and using Personal Protective Equipment (PPE).
This manual for use by qualified personnel only
This manual for use by qualified personnel only
3
Installation
Chapter 3, “Installation” provides information and procedures for
installing the Xantrex GT30 Grid-Tied Photovoltaic Inverter.
This manual for use by qualified personnel only
Installation
Overview of Xantrex GT30 Installation
Planning
Planning for a system requires complete understanding of all the components that
are involved to successfully install the Xantrex GT30 to meet the required
national, state, and local codes.
Location
The Xantrex GT30 is rated and certified for both indoor and outdoor installation.
See “Environmental Requirements” on page 3–6 for details.
Clearance
Adequate ventilation and service access must be considered when installing the
Xantrex GT30. See “Environmental Requirements” for specific clearance
requirements and ambient temperature requirements.
Conduits and
Conductors
All external conduits and conductors are to be supplied by the installer.
See Figure 3-3, “Xantrex GT30 Conduit Knockout Locations” on page 3–10 for
recommendations on enclosure penetration locations and cable routing.
All interconnect wiring and power conductors interfacing to the Xantrex GT30
must be in accordance with applicable local and national codes, for example, the
National Electric Code ANSI/NFPA 70.
Large gauge wire must conform to the minimum bend radius requirements in the
applicable wiring codes.
Keep the wire bundles away from any sharp edges which may damage wire
insulation over time.
All conductors should be made of copper and rated for minimum 75 °C. If using
conductors rated higher than 75 °C, the wire size must be selected based on 75 °C
ampacity if the conductor terminates at a breaker, disconnect or other device with
terminals rated only 75 °C.
If the installation of the Xantrex GT30 is to be outdoors, all interconnect conduit,
hubs and fittings must be approved as suitable for use in a NEMA 3R application.
3–4
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PV Planning
PV Planning
Important: For proper operation, the Xantrex GT30 requires two identical
photovoltaic subarrays, PV1 and PV2 (same type, number, orientation and
electrical configuration of PV modules) of opposite polarities with respect to earth
ground. The negative terminal of monopole PV1 and the positive terminal of
monopole PV2 will be automatically grounded inside the Xantrex GT30.
Important: With any PV inverter, it is critical to properly match the PV array to
the inverter. Failure to comply with all of the requirements in Table 3-1 will limit
the annual PV system energy harvest, will force the inverter to operate with lessthan-optimum conversion efficiencies and will void the product warranty.
Table 3-1 PV Array Sizing Criteria for the Xantrex GT30
Criteria
Value
Notes
Maximum Number of Series Connected Cells per Monopole
600 cells
This requirement does not apply to thin film (amorphous) modules but must be met
for all single-crystal and poly-crystalline PV module types, without exception.
Note 1
Maximum Open Circuit Voltage at Standard PV Module Test Conditions
(STC) per Monopole
375 Vdc
(STC)
Note 2
Maximum Open Circuit Voltage at the Coldest Historical Site Temperature
430 Vdc
Note 3
Maximum Rated Nominal DC Input Power at Standard PV Module Test
Conditions (STC)
35kWdc
(STC)
Note 4
Maximum Array Short Circuit Current at STC
80 Adc
Note 1 - Find the number of cells per module on the PV module manufacturer’s
data sheet and multiply this number times the number of PV modules to be
connected in series.
Note 2 - Find the open circuit voltage (Voc) at standard test conditions (STC) on
the PV module manufacturer’s data sheet and multiply this number times the
number of PV modules to be connected in series.
Note 3 - Find the open circuit voltage (Voc) at standard test conditions (STC) and
the temperature coefficient for open circuit voltage (α Voc) on the PV module
manufacturer’s data sheet. Multiply α Voc times the difference between 25°C and
the lowest historical site temperature. Apply the temperature coefficient to
calculate the low temperature Voc and multiply this number times the number of
PV modules to be connected in series. For example:
With a lowest site temperature of -20°C and α Voc given in mV/°C
Voc -20°C = Voc STC + [(α Voc/1000) 45]
With a lowest site temperature of -20°C and α Voc given in %/°C
Voc -20°C = Voc STC  {1 + [(α Voc/100) 45]}
Note 4 - Find the nominal rated power (Pr) at standard test conditions (STC) on
the PV module manufacturer’s data sheet and multiply this number times the total
number of PV modules to be connected to the Xantrex GT30.
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This manual for use by qualified personnel only
Installation
Environmental Requirements
The following environmental conditions must be established and maintained to
ensure the safe and efficient operation and servicing of the Xantrex GT30.
Adequate space must be provided around the unit for ventilation and access
during servicing. Ambient air temperature cannot exceed the maximum
temperature for which the unit is rated. See Table A-1, “Environmental
Specifications” on page A–2.
•
•
•
•
•
•
The Xantrex GT30 uses a Type 3R-rated enclosure for indoor or outdoor use.
Type 3R enclosures are intended for outdoor use primarily to provide a degree
of protection against falling rain and to be undamaged by the formation of ice
on the enclosure.
While the 3R-rated enclosure protects the Xantrex GT30 from rain, outdoor
installations should be located away from lawn sprinklers and other sources of
spray such as a hose or pressure washer.
Maintain a minimum clearance of 36 in. (914 mm) in front and 12 in. (305
mm) above and to the sides of the Xantrex GT30 enclosure, and obey any
local safety codes or requirements for maintenance and serviceability. The
Xantrex GT30 does not require any clearance at the rear and it may be
mounted on a surface.
External cabling interfacing with the Xantrex GT30 enters from the bottom of
the unit only.
When operating the Xantrex GT30 in an enclosed area, the area must be
properly ventilated to remove the 1500W of waste heat generated by the
Xantrex GT30, while obeying the 50°C ambient temperature rating of the
product.
The GT Series inverter is designed to operate in -20 °C to 50 °C ambient
environment. Direct sunlight on the enclosure can raise the internal
temperature beyond these specifications causing the Xantrex GT30 to reduce
its output, or to trip on an over-temperature fault and cease operation. If the
inverter is subject to direct sunlight leading to high ambient conditions, the
inverter must be shaded by using either a shading structure or placing the
inverter on the side of the building that get’s the least amount of
direct sunlight. If the only option is to place the inverter in direct sunlight,
face the inverter door in the direction that gets the least sunlight.
Grounding Requirements
This product is intended to be installed as part of a permanently grounded
electrical system in accordance with applicable codes such as Articles 250 and
690 of the National Electrical Code ANSI/NFPA 70. The AC neutral at the Utility
Point of Service must be bonded to ground. The PV system is grounded by
connection of the Xantrex GT30 AC neutral terminal to the neutral bus in the load
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System Neutral Requirements
center at the Utility Point of Service. Equipment grounding for the Xantrex GT30
and the PV system is accomplished by connection of the Xantrex GT30 ground
terminal to the ground bus in the load center.
System Neutral Requirements
The AC circuit between the Xantrex GT30 and the utility must be a four-wire plus
ground system. As required by the UL 1741 listing, and for proper PV system
grounding, a neutral conductor from the utility-interconnect must be terminated at
N within the Xantrex GT30. The ampacity of the AC neutral must be equal to the
ampacity of the AC line conductors.
Pre-Installation
Knockout Preparation
The Xantrex GT30 has the following knockouts to accommodate the following
conduit trade sizes.
•
•
•
two knockouts for 2 in. trade size PV conduits
four knockouts for 3/4 in. trade size communications conduits
one dual-knockout for 2 in.or 2½ in. trade size AC conduit
Remove the lower front panel (see Figure 3-5) and remove the knockout holes
required to accommodate the required conduits. Ensure no metal shavings remain
inside the inverter when done.
CAUTION
Do not remove the upper panel during the wiring of the inverter. This will expose
delicate electrical components that could be damaged.
Tools Required
•
•
•
•
•
•
4 mm hex key
5 mm hex key
3/16 in. hex key
5/16 in. slotted screwdriver
#2 Phillips screwdriver
#3 Phillips screwdriver
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Installation
Mounting
1072mm
42.2in
352mm
13.9in
558mm
22.0in
Figure 3-1 Xantrex GT30 Inverter Dimensions
Important: The mounting surface should be strong enough to support 3 times the weight of the unit.
3–8
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Mounting
Mounting Bracket
[203 mm]
8.0"
Front See-thru View.
[203 mm]
8.0"
[229 mm]
9.0"
1072mm
42.2in
229mm
9.0in
[229 mm]
9.0"
229mm
9.0in
74mm
2.9in
A
A
203mm
8.0in
203mm
8.0in
Figure 3-2 Xantrex GT30 Mounting Bracket Dimensions
1-153405-01
3–9
This manual for use by qualified personnel only
Installation
A
A
231
9.1
265 258
10.4 10.2
3/4 in. tradesize knockouts
(4) for communications
83
3.3
2 in. tradesize
knockouts(2) for DC
conduits
259 288 316
10.2 11.3 12.5
89
3.5
181
7.1
201
7.9
2-2½ in. tradesize dualknockout for AC conduit
229
9.0
CL
558
22.0
Figure 3-3 Xantrex GT30 Conduit Knockout Locations
3–10
1-153405-01
This manual for use by qualified personnel only
Mounting
1
Secure the mounting bracket to the
mounting surface as shown.
8 .0
1
0"
8.0
0"
9 .0
"
9 .0
"
Note: Mounting screws are not included and must be
provided by the installer. Use bolt sizes M6 or ¼ in.
2
Place the inverter on the bracket, ensuring that the
upper edge of the mounting bracket engages the
flange on the back of the Xantrex GT30.
Secure the inverter to the bracket with the 2
screws provided.
2
Figure 3-4 Mounting the Xantrex GT30 on a Wall or Vertical Surface
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Installation
Wiring Compartment
WARNING: Shock Hazard
With the AC and PV disconnect switches in the OFF positions, it is NOT SAFE to
remove either front access panel. Hazardous voltages remain present on the field
wiring terminals of the disconnects unless the PV and AC circuits have been
externally disconnected. Before removing either front access panel, refer to the
“Lockout and Tag/Isolation Procedure” on page x.
Remove the lower part of the front access panel as shown in order to remove
knockouts and make wiring connections.
To access the wiring compartment:
1. Ensure the disconnect switches are in the
OFF position and that all sources are
externally disconnected and locked-out.
2. Remove the 4 screws shown in the
diagram.
3. Pull the bottom of the cover far out enough
to disengage the disconnect switches
4. Pull the cover straight downwards to
remove.
Figure 3-5 Removing the Front Panel on the Xantrex GT30
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Wiring Compartment
DC Connections
AC Connections
N
PV1 PV GFP
Fuses
PV1 +
PV2 PV2 +
L1
L2
L3
2 in. trade size
knockouts
2 in. trade size
knockouts
PV Equipment
Grounding Terminal
2-2½ in. trade size
dual-knockout
AC Equipment
Grounding Terminal
Communications
Connections
RS232 serial port
Figure 3-6 Xantrex GT30 Wiring Compartment
Replace the front panel after all connections are made.
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This manual for use by qualified personnel only
Installation
Wiring Requirements
WARNING: Shock hazard
Before beginning any wiring, open, lockout, and tag the AC power at the utility
circuit breaker and open, lockout and tag all PV field disconnect switches. If PV
field disconnect switches are not used, pull all PV string fuses in all PV string
combiner enclosures, lock and tag all PV combiner enclosures.
WARNING: Fire hazard
To reduce the risk of fire, connect only to an AC utility circuit provided with 100
amperes minimum branch circuit overcurrent protection; or for AC utility
connections using wire gauges larger than 2AWG, connect only to a circuit
provided with a maximum branch circuit overcurrent protection in accordance
with the National Electrical Code, ANSI/NFPA 70 or your local electrical code.
1. All wiring methods and materials shall be in accordance with Class 1 wiring
methods as well as all applicable installation codes. Instructions in this
manual are based on the US National Electrical Code NFPA 70, 2008 edition.
It is the installers responsibility to ensure adherence to applicable codes,
which may differ from the above.
2. Use copper conductors only with a minimum insulation rating of 75°C for AC
and PV power connections. Use maximum 75°C ampacity figures for sizing
any cable connecting to disconnect switches, breakers, or other devices with
terminals rated 75°C.
3. The Xantrex GT30 has a three-phase, four-wire output requiring connections
to three phase conductors and a neutral that is bonded to ground.
4. The utility grid connections are made at terminals marked L1, L2, L3, N,
located in the lower right side of the enclosure. Keep the AC conductors
together as much as possible and ensure that all conductors pass through the
same knockout and conduit. For torque values, see Table 3-2 on page 3–15.
5. The inverter AC neutral terminal (N) must be connected to the neutral
terminal at the utility grid interface or the Xantrex GT30 inverter will be
damaged and potentially lethal shock hazards will be created.
6. The Xantrex GT30 PV input requires two DC photovoltaic sub-arrays, PV1
and PV2. The array configuration is bipolar with the PV1 sub-array grounded
at the negative terminal and the PV2 grounded at the positive terminal. The
field wiring from each sub-array must be run from the array field in separate
conduits per NEC Section 690 requirements for bipolar PV arrays. Keep the
conductors from each sub-array in the same conduit. For torque values, see
Table 3-3 on page 3–17.
7. This product is intended to be installed as part of a permanently grounded
electrical system. The Xantrex GT30 is designed for operation without an
isolation transformer and is connected directly, with the proper circuit
breaker, to a 120V/208V, 3-phase, 4-wire, electrical service.
3–14
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Wiring Requirements
8. The equipment ground terminals on the Xantrex GT30 are marked with .
9. Overcurrent protection for the AC wiring connecting the Xantrex GT30 to the
utility, must be provided in the installation, at the panel to which the Xantrex
GT30 is connected.
10. The input and output circuits of the Xantrex GT30, (including the AC output
neutral) are not bonded to the unit chassis or equipment ground terminal. The
AC neutral must therefore be bonded to ground by the installer at the
distribution transformer.
11. Due to the non-isolated nature of the input-to-output circuitry of the Xantrex
GT30, this bond also serves as the PV system grounding and must be installed
in accordance with local electrical codes for both AC and PV grounding.
AC Interface
The AC connection from the Xantrex GT30 to the 120V/208V utility grid is made
at the AC breaker CB1 terminals LI (AC Line 1), L2 (AC Line 2), L3 (AC Line 3)
and at terminal N (AC Neutral, white wire) and the AC equipment ground (green
wire) as shown in Figure 3-6. The connection from the Xantrex GT30 AC N
terminal to the utility neutral must be made, under all conditions, or the Xantrex
GT30 will be damaged. All 5 conductors must run in the same conduit to the
utility connection point. Torque all terminals to the value listed in the table below.
Wait a minimum of 1 hour to allow for copper conductor creepage, and torque all
terminals again to the listed value.
Table 3-2 AC Conductor Size and Torque Requirements
Terminal
Minimum Conductor
Size (Torque)
#2 AWG (50 in-lb)
L2
#2 AWG (50 in-lb)
L3
#2 AWG (50 in-lb)
N
#2 AWG (120 in-lb)
AC Equipment #2 AWG (50 in-lb)
L1
Maximum Conductor
Size (Torque)
Tool
1/0 (50 in-lb)
1/0 (50 in-lb)
1/0 (50 in-lb)
1/0 (120 in-lb)
1/0 (50 in-lb)
Ground
3/16 in. hex key
3/16 in. hex key
3/16 in. hex key
5 mm hex key
5/16 in. slotted
screwdriver
Wire sizes are based on 100A overcurrent protection at the utility end of the
Xantrex GT30 AC output wiring, 75 °C wire, per NEC table 310-16. The Xantrex
GT30's AC Neutral conductor does not normally carry current as the Xantrex
GT30 has AC current imbalance protection.
Important: The AC neutral connection must not be undersized as it is both the
AC neutral conductor, and the PV system bonding conductor. The AC neutral
must be sized as per article 250 of the NEC Rev. 2008, or other applicable code.
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Installation
If a step-up transformer is used to convert the output of the Xantrex GT30 to a
higher distribution voltage, the inverter-side transformer connection must be a
120V/208V WYE. In such a system, the Xantrex GT30 grid connection is a
separately derived system and the Xantrex GT30 AC neutral (white wire) must be
connected to the X0 and to the AC equipment ground connections (green wires)
within the distribution transformer enclosure. This neutral-to-ground bond
conductor and it's method of connection must be performed in a manner
complying with all local electrical and grounding codes.
L1
FROM GT30
L2
L3
X1
120V/208V
4-WIRE
WYE ONLY
WYE OR DELTA
HIGH SIDE
H1
X2
H2
X3
H3
X0
N
WHITE
INSULATED
NEUTRAL BUS
NEUTRAL TO
GROUND BOND
GREEN
GREEN
TO UTILITY GRID POINT OF SERVICE
100A
GROUND BUS
TRANSFORMER
ENCLOSURE BOND
SYSTEM GROUND ROD / GRID
Figure 3-7 Xantrex GT30 AC Connection using External Step-up Transformer
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Wiring Requirements
DC Interface
Two photovoltaic sub-arrays are connected to the Xantrex GT30. The first subarray is designated PV1 with the positive pole connected to PV1+ and the
negative pole connected to PV1–. The second sub-array is designated PV2 with
the positive pole connected to PV2+ and the negative pole connected to PV2– as
shown in Figure 3-6.
The field wiring conductors (plus, minus and PV equipment ground) from PV1
must be run in different conduits as conductors from PV2. The two sub-arrays
must remain completely separate until inside the Xantrex GT30, to comply with
NEC article 690.7E Rev. 2008.
A (green) equipment grounding wire must be run in each sub-array conduit along
with the two current carrying conductors. The grounding conductors are
connected from the PV equipment ground, designated with the ground symbol, in
the Xantrex GT30, to the PV combiner box chassis ground and PV frame ground.
The grounding conductors must be run in the same conduit as the current carrying
conductors.
Torque all terminals to the value listed in the table below. Wait a minimum of
1 hour to allow for copper conductor creepage, and torque all terminals again to
the listed value.
Table 3-3 DC Conductor Size and Torque Requirements
Terminal
PV1–
PV1+
PV2–
PV2+
PV Equipment
Ground
Minimum Conductor
Size (Torque)
Maximum Conductor
Size (Torque)
Tool
1/0 AWG (120 in-lb)
1/0 AWG (55 in-lb)
1/0 AWG (55 in-lb)
1/0 AWG (120 in-lb)
#8 AWGa (50 in-lb)
1/0 (120 in-lb)
1/0 (55 in-lb)
1/0 (55 in-lb)
1/0 (120 in-lb)
1/0 (50 in-lb)
5 mm hex key
4 mm hex key
4 mm hex key
5 mm hex key
5/16 in. slotted
screwdriver
a.Must still comply with NEC 690.45A 2008
Important: Wire sizes are based on maximum array short-circuit current (at
STC) of 80A, 75 °C ampacity per NEC table 310-16.
If larger conductors or multiple conductors are desired to reduce DC wiring
resistive losses, a floating, insulated splice block (such as, Burndy BIBD-2/0-3)
can be used to between the DC terminals and the DC field wiring.
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Installation
POSITIVE COMBINER BOX
PV1 SERIES
STRING #1
GT30
PV1+
+
-
GREEN
PV1-
GREEN
L1
+
PV1 SERIES
STRING #N
L2
-
MUST BE
SEPERATE
CONDUITS
GREEN
CHASSIS
BOND
N
NEGATIVE COMBINER BOX
PV2 SERIES
STRING #1
TO 120/208
LOAD
CENTER
L3
WHITE
PV2+
+
-
GREEN
PV2-
GREEN
DCGND
ACGND
GREEN
+
PV2 SERIES
STRING #N
PV FRAME /
STRUCTURE
BONDS
CHASSIS
BOND
GREEN
CHASSIS
BOND
Figure 3-8 Xantrex GT30 Field Wiring Diagram
Replace the lower front panel when wiring is complete. Use an incremental cross
torque sequence on the front panel fasteners. Torque all fasteners gradually with
more and more torque with each pass to ensure equal compression of the panel
gaskets to provide a robust weather seal.
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Communications Interface
Communications Interface
The Xantrex GT30 can be remotely accessed through an RS232 serial port as
shown in Figure 3-6 or through an RS485/Modbus connection. See Chapter 5,
“Remote Programming and Advanced Settings” for more information. Xantrex
offers modems that can be connected to the RS232 port for remote monitoring.
The remote user has the ability to control and monitor the status of the inverter
through this connection.
Alternatively, a RS485/Modbus connection is also available for remote plant
monitoring. This enables users to monitor and control the inverter from a
dedicated plant wide monitoring system.
Install the communication modem according to the instructions provided with
that accessory.
RS232
The Xantrex GT30 is equipped with a full-duplex galvanically isolated RS232
serial port using a 9-pin, d-sub, connector. The remote user has the ability to
control and monitor the status of the inverter through this connection.
RS485
The Xantrex GT30 is also equipped with a galvanically isolated RS485 for multidrop communications. The remote user has the ability to control and monitor the
status of the inverter through this connection. There are two sets of electrically
parallel terminal blocks provided for the RS485 connections. There is an
additional two-terminal block that places a 120 ohm termination resistor across
the RS485 port when the two terminals are shorted with a jumper wire.
Remote Shutdown
Input
The Xantrex GT30 has the capability of being remotely disabled or enabled.
When terminals RSD+ and RSD– are shorted together, the Xantrex GT30 is
enabled. A jumper wire is factory installed and must be removed if a remote
shutdown switch is connected. Do not apply any voltage to these terminals.
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3–20
4
Commissioning
Chapter 4, “Commissioning” contains information on safely
commissioning the Xantrex GT30 Grid-Tied Photovoltaic Inverter.
This manual for use by qualified personnel only
Commissioning
Commissioning Procedure
WARNING: Fire, Shock, and Energy Hazards
This chapter is intended for qualified personnel who need to commission the
Xantrex GT30 Grid-Tied Photovoltaic Inverter. Qualified personnel have training,
knowledge, and experience in:
• installing electrical equipment and PV power systems (up to 1000 V),
• applying all applicable installation codes,
• analyzing and reducing the hazards involved in performing electrical work,
and,
• selecting and using Personal Protective Equipment (PPE).
This section provides the procedure necessary to safely and correctly commission
a Xantrex GT30 inverter.
Important: It is important to record any issues encountered while following this
procedure.
Summary
To commission the Xantrex GT30:
1. Begin the Xantrex GT30 Commissioning Procedure as described in detail
further in this section. The steps are summarized below.
a)
b)
c)
d)
e)
f)
g)
h)
Record the Serial Number.
Verify the field wiring.
Verify the AC and DC voltages.
Apply Grid Voltage.
Check the Front Panel Display.
Confirm Operational Parameters (AC, DC and Power Tracker).
Apply DC Voltage.
Operate Inverter.
2. Submit the Commissioning Test Record (page B–3) and fax a copy of the
Product Registration Form (page WA–4) to Xantrex.
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Starting the Commissioning Test
Starting the Commissioning Test
Serial Number
Enter the information required on the form that appears on page B–3 of Appendix
B, “Commissioning Test Record”. The converter serial number is located on a
label placed on the right-hand side panel of the inverter enclosure.
Inspect and Verify Field Wiring
1. Perform “Lockout and Tag/Isolation Procedure” on page x.
2. Remove the lower front panel of the Xantrex GT30 inverter enclosure and
inspect the connections.
3. Check for loose cables, rubbing, or interference.
4. Correct and record any defects.
AC Wiring
Verify that AC connections to the utility grid have been made at terminals LI, L2,
L3 and N. Verify that a (green) equipment ground wire is connected between the
Xantrex GT30 AC ground lug and the ground bus at the utility grid point of
service.
Check the torque of AC and ground terminals at the field connection points and
tighten as necessary.
Check for continuity between the N terminal and equipment grounding terminal
(chassis). This should be a low-resistance connection. If not, the AC neutral and
earth ground are not bonded at the utility grid point of service. Bond these
terminals at the utility grid point of service according to local codes and recheck
for continuity.
CAUTION
Do not connect the N terminal (neutral) and equipment grounding terminal
(chassis) to each other within the Xantrex GT30.
DC Wiring
Verify that DC connections have been made from the two photovoltaic sub-arrays
to terminals PV1+, PV1-, PV2+ and PV2- and that (green) equipment grounding
wires are connected from each sub-array to the Xantrex GT30 PV equipment
ground lug. Check the torque of the PV and ground terminals at the field
connection points and tighten as necessary.
CAUTION
Do not connect any PV terminal to any equipment grounding terminal (chassis)
within the Xantrex GT30.
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Commissioning
Verify Voltages
WARNING: Shock hazard
AC and PV disconnect switches must remain in the OFF position while verifying
voltages.
AC Voltages
To verify the AC voltages, follow the instructions below:
1. Switch the circuit breaker or safety switch at the AC grid connection point
to ON.
WARNING: Shock hazard
Hazardous voltages will now be present on the field wiring terminals in the
Xantrex GT30.
2. With an AC voltmeter, check for 120Vac between Xantrex GT30 terminals L1
to N, L2 to N and L3 to N.
3. With an AC voltmeter, check for 208Vac between L1 to L2, L2 to L3 and L3
to L1.
4. With an AC voltmeter, check for approximately 0 Vac between AC N and
Xantrex GT30 AC equipment ground.
5. If results are other than described in steps 2 through 4, the AC field wiring has
been installed incorrectly and will need to be fixed before commissioning
can proceed.
6. Switch the AC breaker or safety switch at the utility grid connection point to
OFF, lock and tag using the procedure on page x.
DC Voltages
To verify the DC voltages, follow the instructions below:
1. Replace only one PV string combiner box fuse for each subarray.
2. Switch the PV field disconnect switches (if provided) to ON.
WARNING: Shock hazard
Hazardous voltages will now be present on the field wiring terminals in the
Xantrex GT30.
All voltage meter reading assume that the PV arrays are illuminated.
3. With a DC voltmeter, place the + (red) voltmeter probe on terminal PV1+ and
the – (black) voltmeter probe on terminal PV1-.
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Starting the Commissioning Test
4. The voltage meter should read between +230Vdc and +430Vdc. Proper
polarity is critical.
5. With a DC voltmeter, place the + (red) voltmeter probe on terminal PV1+ and
the – (black) voltmeter probe on PV equipment grounding terminal.
6. The voltage meter should read between +230Vdc and +430Vdc. Proper
polarity is critical.
7. With a DC voltmeter, place the + (red) voltmeter probe on terminal PV2+ and
the – (black) voltmeter probe on terminal PV2-.
8. The voltage meter should read between +230Vdc and +430Vdc. Proper
polarity is critical.
9. With a DC voltmeter, place the + (red) voltmeter probe on terminal PV2- and
the – (black) voltmeter probe on PV equipment grounding terminal.
10. The voltage meter should read between -230Vdc and -430Vdc. Proper
polarity is critical.
11. If results are other than described in steps 4, 6, 8 and 10 the DC field wiring
has been installed incorrectly and will need to be fixed before commissioning
can proceed.
12. Open, lockout and tag all field DC photovoltaic disconnect switches. If field
DC photovoltaic disconnect switches are not used, pull all PV string fuses in
all PV string combiner enclosures, lock and tag all PV combiner enclosures.
13. Reinstall the lower front panel. If you did not reinstall the upper front panel
after the inverter enclosure check, you must install the upper front panel
before you can install the lower front panel. Use an incremental cross torque
sequence on the front panel fasteners. Torque all fasteners gradually with
more and more torque with each pass to ensure equal compression of the
panel gaskets to provide a robust weather seal.
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Commissioning
Startup
WARNING: Shock hazard
Both upper and lower front panels must be correctly installed before beginning
the startup tests.
To verify startup at low power:
1. Remove any lockout devices from the utility connection circuit breaker and
PV disconnect switch/PV combiner boxes.
2. Close the utility connection circuit breaker and PV field disconnect switches.
3. Leave the PV disconnect in the OFF position and close the AC breaker at the
utility panel, and then the Xantrex GT30's AC disconnect. This will energize
the Xantrex GT30 control circuits.
4. Listen for sounds of arcing, loud 60 Hz humming or popping noises within
the Xantrex GT30. If these sounds are heard, follow the lock out and tag
procedure on page x and call Xantrex service.
To verify front panel display operation during startup at low power:
1. Open and close the AC disconnect. The front panel LCD display will read
INITIALIZING and will display the Software Version. Record these numbers.
2. After initializing the LCD display will show PV DISCONNECT OPEN.
3. Close the PV disconnect switch and listen for sounds of arcing, loud 60 Hz
humming or popping noises within the Xantrex GT30. If these sounds are
heard, follow the lock out and tag procedure on page x and call Xantrex
service. The Xantrex GT30 will transition to the sleep state, will display
SLEEP and check for automatically for the required PV start voltages. If the
PV array voltages are above the start voltage, the inverter will immediately
transition to the wake-up state, and will show a timer countdown. The two
sub-array open circuit voltages will also be displayed.
4. If there is sufficient photovoltaic voltage, once the count down timer reaches
0, the Xantrex GT30 will transition to the on-line state and will display
POWER TRACKING.
5. Because there is only one PV string connected per sub-array, the Xantrex
GT30 may, depending on current irradiance levels, transition to the sleep test
state and display SLEEP TEST.
6. Open the AC disconnect switch, then open PV disconnect switch.
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Starting the Commissioning Test
To verify startup at full power:
1. Follow the steps in “To verify startup at low power:” above, in order, before
preceding to step 2.
WARNING: Shock hazard
Hazardous voltages will now be present throughout the Xantrex GT30.
2. Open the field PV disconnect, insert all PV field string combiner fuses, and
then re-close the field PV disconnect (if provided).
3. Close the AC disconnect.
4. Close the PV disconnect.
5. Listen for sounds of arcing, loud 60 Hz humming or popping noises within
the Xantrex GT30. If these sounds are heard, follow the lock out and tag
procedure on page x and call Xantrex service.
6. The Xantrex GT30 display will sequence through INITIALIZING, SLEEP,
WAKE-UP and then to POWER TRACKING if there is sufficient irradiance.
7. If skies are cloudless and the arrays are of equal size and are not shaded,
confirm that the sub-array voltages are balanced within 10%.
8. Confirm the AC Power output is close to what is expected for current
ambient conditions.
Completed Commissioning
1. Once you have successfully completed all the commissioning steps, ensure all
the information is documented.
2. Email the completed Commissioning Test Record to:
pvcommissioningreport@xantrex.com
3. Fax a copy of the Product Registration Form (found in the Warranty section)
to Xantrex.
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4–8
5
Remote Programming
and Advanced Settings
Chapter 5, “Remote Programming and Advanced Settings” contains
information for using remote control features and adjusting
customizable settings for optimization.
This information is for the interest of the owner/operator, however
any implementation of information in this chapter must be performed
by qualified personnel.
This manual for use by qualified personnel only
Remote Programming and Advanced Settings
Computer Communications with the Xantrex GT30
The Xantrex GT30 provides an option for communicating system status, or data
logging through a personal computer via an RS232 connection and a modem using
the
PV View Graphic User Interface (GUI) software. System status and data logging
are also available via the RS485/Modbus connection.
The PV View Graphic User Interface (GUI) software is a Windows™-based
program that:
•
•
•
•
displays system status and setpoints,
accesses and enables adjustment of inverter controls,
accesses metering and data logging capabilities, and
controls protective functions.
Ensure the appropriate hardware is in place before proceeding with installing
the GUI.
Refer to the documentation for the PV View or Modbus Communications and
contact Customer Service for additional information on computer communications.
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Computer Communications with the Xantrex GT30
Customizable Parameters
In order to adjust the customizable parameters to optimize your installation, you
must have PV View installed, or be using your own Modbus connection.
The settings in Table 5-1 are always customizable.
Table 5-1 Customizable Parameters
Parameter
Display
Units
Default
Min.
Max.
PPT V
This is the initial PV voltage the inverter is going to try Ref
to keep as it goes into Online mode. If the power tracker
is off, the inverter will draw current from the PV array
to maintain this reference voltage. If the power tracker
is on, this is the reference voltage from which the
inverter start exploring voltages that produce more
power.
Volts
265
180
425
PV V
Start
Volts
300
180
400
PV T
Start
Seconds 300
15
1200
Peak Power Tracker Reference Voltage
When the power tracker is off, this value may be
adjusted to set the inverter operating PV voltage. When
the value is changed, the inverter transitions to the new
voltage by sequentially incrementing the voltage
command level until the set point is met.
The reference voltage must be set lower than the
wakeup voltage for the inverter to operate correctly. It
is typically set to 80 to 90% of the Wakeup voltage.
Wakeup Voltage
This is the trigger point that transitions the inverter
from PV sleep state to PV wake up state. When the PV
voltage reaches the value of this parameter the inverter
transitions into PV wake up mode.
The Wakeup voltage must be set lower than the
minimum expected daytime array open circuit voltage
for the inverter to operate correctly.
Time Delay for PV Wake up
Time delay to transition from PV wake up state to PV
on-line state. Once the inverter is in PV wake up mode,
it waits for the amount of time determined by this
parameter before transitioning into PV on-line mode.
During this time the inverter checks that the PV voltage
is no less than the PV wake voltage, otherwise it goes
into PV sleep mode.
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Remote Programming and Advanced Settings
Table 5-1 Customizable Parameters
Parameter
Display
Units
Default
Min.
Max.
Time delay for PV Sleep Test
PV T
This is the amount of time the inverter will be in Sleep Test Stop
mode if the output power continues to be below
"PV_P_Stop". The inverter will exit sleep test mode
towards online mode if the power is over "PV_P_Stop" or
towards shutdown mode is the "PV_T_Stop" timer expires.
Seconds 300
10
1200
PV P
This is the output power trigger point for the inverter to Stop
transition into power test mode. When the output power
is below the value of this parameter the inverter enters
power test mode.
kW
0.3
0.1
3
I PPT
Max
% max.
output
power
100
0
110
PPT
Enable
0 = Off
1 = On
1
0
1
PPT Rate Seconds 0.5
0.3
5
PPT V
Step
1.0
5.0
PV Output Power to Enter Power Test Mode
Power Tracker Maximum Output Power
This parameter sets the percentage of maximum rated
power the inverter will produce when in power tracker
mode. For example, a 30 kW system with this
parameter set to 20 will not attempt to produce more
than 20 kW.
Enable Peak Power Tracker
This parameter switches on and off the power tracker
function. When the power tracker is on, the inverter will
regulate the bus voltage to optimize output power.
When the power tracker is off, the inverter will regulate
the bus voltage to maintain it at "PPT_V_Ref" volts.
Power Tracker Rate
This parameter sets the rate at which the power tracker
function makes changes to the voltage reference point
as it tries to find the optimal position. For example, if
the value of this parameter is 2, then every 2 seconds
the power tracker will increase or decrease the voltage
reference point to check if more power can be produced
at the new level. Resolution = 0.1
Power Tracker Step
This parameter sets the size of the change the power
tracker will make to the voltage reference point as it
tries to find the optimal position. For example, if the
value of this parameter is set to 1, the power tracker will
increase or decrease the voltage reference point by one
volt at a speed of "PPT_Rate" to check if more power
can be produced at the new level. Resolution = 1.0
Volts
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Computer Communications with the Xantrex GT30
In addition, there are some advanced settings that can be modified by qualified
personnel.
WARNING
Any changes made to these settings need to be done under the direction of, and
with the approval of, your local utility and electrical authority
Table 5-2 shows the settings can be adjusted with utility approval.
Table 5-2 Advanced Customizable Parameters
Parameter
Display
Units
Maximum Grid Voltage (Line to Neutral)
Max AC
Volts
This parameter sets the trigger point value for
"AC_Voltage_High" (xxxx) fault. If the grid voltage
is over this parameter's value for a period exceeding
"Max Volt Delay", the fault is triggered.
Minimum Grid Voltage
This parameter sets the trigger point value for "AC_
Voltage_Low" (xxxx) fault. If the grid voltage is
below this parameter's value for a period exceeding
"Min Volt Delay", the fault is triggered. The lower
limit of this parameter is restricted by UL 1741.
Minimum Grid Frequency
This parameter sets the trigger point value for
"AC_Frequency_Low" (xxxx) fault. If the grid
frequency is below this parameter's value, the fault is
triggered.
Minimum Grid Frequency Delay
This parameter sets the delay, in AC cycles, before
"AC frequency low" (xxxx) fault is trigger once the
frequency is over "Min AC Freq". 8 cycles = 0.133
seconds, 18,000 cycles = 5 minutes
Min.
Max.
% nominal 110
voltage
110
120
Min AC
Volts
% nominal 88
voltage
60
88
Min AC
Freq
Hertz
59.3
57.0
59.8
Min Hz
Delay
AC cycles
8
8
18,000
Seconds
300
10
300
AutoThis parameter sets the amount of time the grid has to Clear
Delay
be within voltage and frequency limits before an
Auto-Clear Delay (Reconnect Response Time)
Default
auto-clear fault can clear.
The inverter shall not reconnect to the grid until the
grid has been within the set voltage and frequency
limits for at least the Auto-Clear Delay time.
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Remote Programming and Advanced Settings
Data Logging
The Xantrex GT30 maintains a data log with a capacity of 1774 logs. It is able to
log the parameters listed below. The data log is a circular buffer (located in nonvolatile memory) and the earliest records are overwritten once the capacity of the
buffer is exceeded. The user is able to set and read the controller board real time
clock.
The Xantrex GT30 calculates and keeps in non-volatile memory the accumulated
energy delivered by the inverter since commissioning. It also allows the user to
read and reset the accumulated values individually.
Energy is calculated only during Power Tracking mode. Energy is calculated by
summing the Power Calculation values for one second and dividing by 60 to
create Watt-seconds, which are accumulated and converted to Watt-hours. The
Watt-hour value is stored in non-volatile memory and updated every 15 minutes
while power tracking, and also updated during any transition out of the Power
Tracking state.
There are two user settable data logging rates. One is for day time and the other
for night time. The rates can be set between 1 and 60 minutes in one minute
increments. The first Day hour and the first Night hour are user settable.
Table 5-3 Data Logging Parameters
Log #
Description
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Time Stamp
Inverter State
Inverter Line 1-2 Voltage, rms
Inverter Line 2-3 Voltage, rms
Inverter Line 3-1 Voltage, rms
Inverter Line 1 current, rms
Inverter Line 2 current, rms
Inverter Line 3current, rms
PV1 voltage
PV2 voltage
PV current
Power Out
Matrix Temperature
Grid Frequency
U2 fault H word
U2 fault L word
U1 fault H word
U1 fault L word
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Computer Communications with the Xantrex GT30
Fault History
The Xantrex GT30 records an entry, in a 100 record circular buffer, every time a
fault occurs. The entry haves the fault code and a timestamp (mm/dd/yy
hh:mm:ss). The buffer is located in non-volatile memory and once the buffer is
full, the oldest record is overwritten.
LCD Display Text
Immediately upon power-up, during boot-stub access
Line 1:INITIALIZING
Line 2:Boot Stub
Line 3:Version: XX.XX BN:xxxx (Where XX.XX BNxxxx is the boot stub
revision code)
Line 4:Xantrex GT-30
Followed by:
Initializing LCD Display
Line 1:INITIALIZING
Line 2:U1 Ver:XX.XX BNxxxx (Where xx.xx is the U1 revision code)
Line 3:U2 Ver:XX.XX BNxxxx (Where xx.xx is the U2 revision code)
Line 4:Xantrex GT-30
System Sleep LCD Display
Line 1:SLEEP
Line 2:NO FAULTS
Line 3:VPV1 XXX VPV2 XXX (Where XXX and XXX are the Array1 and
Array2 voltages)
Line 4:<blank> or FUSE TEST (while inverter is verifying ground fault fuses)
System Wake-up Test LCD Display
Line 1:WAKE UP TEST
Line 2:<blank>
Line 3:VPV1 XXX VPV2 XXX (Where XXX and XXX are the Array1 and
Array2 voltages)
Line 4:TIMER [SEC] xxx (Where xxx is the time remaining until Power
Tracking, in seconds)
Power Tracking LCD Display
Line 1:POWER TRACKING
Line 2:DC AMPS xx (Where xx is the DC input current)
Line 3:VPV1 XXX
Array2 voltages)
VPV2 XXX (Where XXX and XXX are the Array1 and
Line 4:OUTPUT xx.x (Where xx.x is in kilowatts)
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Remote Programming and Advanced Settings
System Sleep Test LCD Display
Line 1:SLEEP TEST
Line 2:DC AMPS xx (Where xx is the DC input current)
Line 3:VPV1 XXX
Array2 voltages)
VPV2 XXX (Where XXX and XXX are the Array1 and
Line 4:TIMER [SEC] xxx (Where xxx is the time remaining until Sleep)
System Fault LCD Display
Line 1:FAULTED or GROUND FAULT (when a ground fault is present)
Line 2:<Fault Description>
Line 3:<Fault Code> XXXX XXXX; XXXX XXXX (Where the first 8 digits are
the U1 fault code and the second 2 digits are the U2 fault code)
Line 4:TIMER [SEC] xxx (Where xxx is the countdown for auto-clear faults, in
seconds)
System Stop LCD Display
Line 1:SYSTEM STOP
Line 2:<blank> or Remote Shutdown
Line 3:<blank> or PV Disconnect Open
Line 4:<blank> or System Shutdown
The following 3 displays are for maintenance personnel information only:
Manual Current LCD Display
Line 1:MANUAL CURRENT
Line 2:DC AMPS xx (Where xx is the DC input current)
Line 3:VPV1 XXX
Array2 voltages)
VPV2 XXX (Where XXX and XXX are the Array1 and
Line 4:OUTPUT xx.x (Where xx.x is in kilowatts)
Matrix Test LCD Display
Line 1:SYSTEM STOP
Line 2:MATRIX TEST
Line 3:<blank>
Line 4:<blank>
Manual Voltage Setting LCD Display
Line 1:VOLTAGE SET
Line 2:DC AMPS xx (Where xx is the DC input current)
Line 3:VPV1 XXXVPV2 XXX (Where XXX and XXX are the Array1 and
Array2 voltages)
Line 4:OUTPUT xx.x (Where xx.x is in kilowatts)
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6
Troubleshooting
Chapter 6, “Troubleshooting” contains information and procedures
for troubleshooting the Xantrex GT30 Grid-Tied Photovoltaic
Inverter. It provides descriptions of common situations and errors that
may occur and provides possible solutions for resolving fault
conditions. It also provides instructions for clearing faults manually, if
required.
This manual for use by qualified personnel only
Troubleshooting
Faults and Fault Codes
Fault states are automatic from any state of operation. In the event of a fault
condition, the Xantrex GT30 will immediately stop processing power and execute
an orderly shutdown, open both the main AC and DC contactors, and remain in a
faulted state until the fault is remedied and cleared (manually or automatically).
All fault conditions arising from within the Xantrex GT30 are reported to the 4line, front panel, LCD and on the RS-232 and RS485/Modbus communications.
Most faults are auto-clearing and thus enable the Xantrex GT30 to restart after a
delay period, once the fault condition has been corrected.
The following faults must be cleared manually:
1. Matrix Fault
A matrix fault indicates an internal fault within the inverter. Attempt to clear
the fault manually, but if it reoccurs service will be required.
2. Ground Fault and the associated Open Fuse Fault
A ground fault indicates excessive leakage current from the PV array to earth.
Typically this is as a result of a break down of the wiring connection to the PV
frame or insulation issues. This could be a fault in the inverter or in the
system, contact a qualified technician to troubleshoot this. Once the cause of
the ground fault has been identified and corrected, and it is determined to be
safe to proceed, the fault may be manually cleared. You may need to replace
any open PV GFP fuses, see Figure 3-6 on page 3–13 for location of PV GFP
fuses.
WARNING: Fire hazard
Replace these fuses only with fuses rated for 600VDC, 1A type KLKD 1 or
equivalent.
See “Clearing Faults Manually” on page 6–3 for instructions on this procedure.
General Troubleshooting
WARNING: Shock hazard
In order to remove all sources of voltage from the Xantrex GT30, the incoming
power must be de-energized at the source. See “Lockout and Tag/Isolation
Procedure” on page x. In addition, wait a full five minutes for the DC bus
capacitors to discharge after disconnecting all sources of power.
Respond to any Xantrex GT30 fault as follows:
1. Note and document the fault code and brief text description.
2. Determine the source of the fault by referring to Table 6-1, “Fault Codes” on
page 6–3.
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Clearing Faults Manually
3. Rectify the fault condition, determine it is safe to proceed, and attempt to
clear the fault. See “Clearing Faults Manually” on page 6–3 for instructions
on this procedure.
4. If the condition is sustained and cannot be corrected, again note and document
the fault code and description, and contact either your Distributor / Reseller,
or Xantrex Customer Service.
Clearing Faults Manually
The following procedure describes how to manually clear a fault message from
the LCD.
To clear a fault manually:
1. Cycle the PV disconnect switch from ON-to-OFF-to-ON.
2. OR cycle the optional remote ON/OFF switch.
Important: If the fault does not clear, the fault condition has not been corrected.
Call for service.
If a particular fault reoccurs frequently, call for service.
Fault Code Descriptions
Table 6-1 provides a complete description of all the fault conditions that may
occur on the Xantrex GT30. Default values are shown, but some limits are useradjustable, see Chapter 5.
Table 6-1 Fault Codes
Fault Code
LCD Display Text
Fault Description
U1
0000 0001
Software ShutDown
For factory use only
U1
0000 0002
Software Fault
For factory use only
U1
0000 0004
Unused
U1
0000 0008
Check Ground Fuses
One or both of the Xantrex GT30 PV-GFP fuses is open or missing.
U1
0000 0010
System Shut Down
The inverter has been shut down by command from a serial
interface
U1
0000 0020
Unused
U1
0000 0040
0000 0080
PV1 Ground Fault
PV2 Ground Fault
The Xantrex GT30 has detected that the ground fault current has
exceeded the maximum allowed value of 2A
U1
0000 0100
0000 0200
0000 0400
IDCO Phase 1
IDCO Phase 2
IDCO Phase 3
The DC injection current component cannot be automatically nulled
by the control circuit.
U1
0000 0800
GFI Circuit Failure
The self-test feature of the PV-GFP circuit has detected an out of
boundary condition.
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Troubleshooting
Table 6-1 Fault Codes
U1
0000 1000
Unused
U1
0000 2000
Matrix PreCharge
Matrix DC bus did not precharge to the required voltage during
wake-up.
U1
0000 4000
Current Imbalance
The output current on the 3-phase AC lines is not adequately
balanced. This may be caused by an irregularity in the utility
voltage.
U1
0000 8000
Matrix Over Current
The output current has exceeded surge limit of 88 Amps. This may
be due to transient conditions on the utility or the PV arrays.
U1
0001 0000
Temperature Probe
The inverter is not getting sufficient signal from the heatsink
temperature probe. The probe may have become disconnected of
may have failed.
U1
0002 0000
Under Temperature
The temperature of the heatsink is less than -20 degrees C. The fault
will clear when the temperature rises above that minimum.
U1
0004 0000
Over Temperature
The inverter heatsink temperature has exceeded the maximum
internal temperature. Before tripping this fault, the Xantrex GT30
will reduce output power in an attempt to keep from shutting down.
If this fault persists, the air flow may be restricted, the fan may have
failed, or the inverter may be placed in location that is too hot.
U1
0008 0000
Bus UnderVoltage
The matrix DC bus voltage dropped too low. This may be due to
transient conditions on the utility or the PV arrays.
U1
0010 0000
0020 0000
VPV1 OverVoltage
VPV2 OverVoltage
The Xantrex GT30 has detected a DC input voltage of greater than
the maximum allowed value of 430 Vdc.
U1
0040 0000
0080 0000
VPV1 ReverseVoltage
VPV2 ReverseVoltage
The indicated PV array polarity is wrong.
U1
0100 0000
Vbus OV Fault
Matrix DC bus voltage rose too high. The PV arrays may be sized
incorrectly, or this may be due to transient conditions on the utility
or the PV arrays.
U1
0200 0000
<none>
Hardware Fault bit set. This fault will accompany 1 or more
additional faults set by hard-wired circuits in the inverter. Check
additional fault code elements for the cause.
U1
0400 0000
U1 Invalid State
Indicates an internal microprocessor error. If this fault persists,
reboot by cycling the AC power. If it returns, there is an internal
failure.
U1
0800 0000
U2 did not reply
Indicates an internal microprocessor communications error. If this
fault persists, disconnect any serial devices connected to the
Xantrex GT30 and reboot by cycling the AC power. If the fault
returns, there is an internal failure.
U1
1000 0000
EEPROM range error
Computer memory within the Xantrex GT30 is corrupt. If this fault
persists, first reboot by cycling the AC power. If the fault returns,
corrupt memory may be reset by the set to factory defaults
command available through the Xantrex GT30 serial ports.
6–4
1-153405-01
This manual for use by qualified personnel only
Fault Code Descriptions
Table 6-1 Fault Codes
U1
2000 0000
Unused
U1
4000 0000
Unused
U1
8000 0000
WatchDogTimer Reset
Indicates an internal microprocessor communications error. This
fault will be logged, but generally does not persist on the display.
The microprocessor will reboot automatically.
U2
0000 0001
0000 0010
0000 0100
AC1 UnderVoltage
AC2 UnderVoltage
AC3 UnderVoltage
This fault indicates that the utility grid voltage is below or fell
below the minimum allowed value of 88% (default) of nominal Vac
for greater than 2 seconds. This fault is auto-clearing. Once the
Utility grid voltage has recovered within the acceptable operating
range, the Xantrex GT30 will qualify the value and automatically
clear this fault and resume normal operation after a delay period of 5
minutes (default).
U2
0000 0002
0000 0020
0000 0200
AC1 OverVoltage
AC2 OverVoltage
AC3 OverVoltage
The utility grid voltage is above or rose above the maximum
allowed value of 110% (default) of nominal Vac for greater than 1
second. This fault is autoclearing. Once the Utility grid voltage has
recovered within the acceptable operating range, the Xantrex GT30
will qualify the value and automatically clear this fault and resume
normal operation after a delay period of 5 minutes (default).
U2
0000 0004
0000 0040
0000 0400
AC1 XtremeUnderVolt
AC2 XtremeUnderVolt
AC3 XtremeUnderVolt
This fault indicates that the utility grid voltage is below or fell
below the minimum allowed value of 50% (Fixed) of nominal Vac
for greater than 10 cycles (Fixed). This fault is auto-clearing. Once
the Utility grid voltage has recovered within the acceptable
operating range, the Xantrex GT30 will qualify the value and
automatically clear this fault and resume normal operation after a
delay period of 5 minutes (default).
U2
0000 0008
0000 0080
0000 0800
AC1 XtremeOverVolt
AC2 XtremeOverVolt
AC3 XtremeOverVolt
This fault indicates that the utility grid voltage is above or rose
above the maximum allowed value of 120% (Fixed) of nominal Vac
for greater than 10 cycles (Fixed). This fault is auto-clearing. Once
the Utility grid voltage has recovered within the acceptable
operating range, the Xantrex GT30 will qualify the value and
automatically clear this fault and resume normal operation after a
delay period of 5 minutes (default).
U2
0000 1000
Unused
U2
0000 2000
Unused
U2
0000 4000
Unused
U2
0000 8000
DCBus OverVoltage
Matrix DC bus voltage transient exceeded limit. The PV arrays may
be sized incorrectly, or this may be due to transient conditions on
the utility or the PV arrays.
U2
0001 0000
LowVolt PowerSupply
Internal power supplies are out of regulation or are being loaded
down beyond their current rating(s).
U2
0002 0000
Unused
1-153405-01
6–5
This manual for use by qualified personnel only
Troubleshooting
Table 6-1 Fault Codes
U2
0004 0000
Remote Shut-Down
This fault indicates that the Xantrex GT30 has detected that the
Remote Emergency Stop circuit (TB7-1,2) is open or activated. This
fault is primarily for personnel safety. Activating the Remote
Emergency Stop while the Xantrex GT30 is processing power will
cause an immediate orderly shutdown of the system.
U2
0008 0000
PV Disconnect Open
The PV disconnect switch is open.
U2
0010 0000
Grid UnderFrequency
This fault indicates that the Utility grid frequency is below or fell
below the minimum allowed value of 59.3 Hz (default) for greater
than 10 cycles (default). This fault is auto-clearing. Once the Utility
grid frequency has recovered within the acceptable operating range,
the Xantrex GT30 will qualify the value and automatically clear this
fault and resume normal operation after a delay period.
U2
0020 0000
Grid OverFrequency
This fault indicates that the Utility grid frequency is above or rose
above the maximum allowed value of 60.5 Hz for greater than 10
cycles. This fault is auto-clearing. Once the Utility grid frequency
has recovered within the acceptable operating range, the Xantrex
GT30 will qualify the value and automatically clear this fault and
resume normal operation after a delay period.
U2
0040 0000
Over Current
Peak current exceeded limit
U2
0080 0000
Matrix Fault
Matrix component failure
U2
0100 0000
Unused
U2
0200 0000
putchar() Time-out
U2
0400 0000
Unused
U2
0800 0000
AC Disconnect Open
AC disconnect open – for data logging only
U2
1000 0000
ExtremeUnder Freq
This fault indicates that the Utility grid frequency is below or fell
below the minimum allowed value of 57 Hz for greater than 10
cycles. This fault is auto-clearing. Once the Utility grid frequency
has recovered within the acceptable operating range, the Xantrex
GT30 will qualify the value and automatically clear this fault and
resume normal operation after a delay period.
U2
2000 0000
ExtremeOver Temp
AC grid frequency above fast limit
U2
4000 0000
Sync Fault
Loss of synchronization – the Xantrex GT30 has detected an island
condition. Typically this fault will only appear on the screen for one
second until the inverter powers down doe to loss of the AC grid. If
this fault persists, it may be due to unstable conditions on the utility
grid.
U2
8000 0000
WatchDogTimer Reset
Indicates an internal microprocessor communications error. This
fault will be logged, but generally does not persist on the display.
The microprocessor will reboot automatically.
Indicates an internal microprocessor communications error. If this
fault persists, disconnect any serial devices connected to the
Xantrex GT30 and reboot by cycling the AC power. If the fault
returns, there is an internal failure.
6–6
1-153405-01
This manual for use by qualified personnel only
7
Preventative
Maintenance
Chapter 7, “Preventative Maintenance” contains information and
procedures for performing preventative maintenance on the Xantrex
GT30 Grid-Tied Photovoltaic Inverter.
This manual for use by qualified personnel only
Preventative Maintenance
Maintenance Safety
WARNING: Shock Hazard
Review the system schematic for the installation to verify that all available energy
sources are de-energized, by following the “Lockout and Tag/Isolation
Procedure” on page x before commencing any of the following maintenance tasks
or removing any covers. DC bus voltage may also be present. Be sure to wait the
full five minutes after de-energizing all sources to allow the capacitors to
discharge completely. Prior to following any maintenance procedures, follow the
“De-Energize Procedure (Shutdown Mode)” on page 2–5.
When complete, thoroughly inspect the equipment prior to re-energizing. Verify
that no tools or equipment have inadvertently been left behind.
Periodic Maintenance
Two maintenance cycles shall be performed on the Xantrex GT30, one every
month and one every six months to ensure continued safe and reliable operation.
The six month maintenance regiment will commence 30 days after
commissioning and every six months thereafter.
This schedule is based on less-than-severe environment site conditions. For sites
with blowing dust or other particulate matter or for sites subject to temperature
extremes, the frequency of maintenance cycles may need to be increased.
Monthly Maintenance
To perform monthly maintenance:
1. Inspect all three screened vents, top front and both bottom sides for
accumulation of dirt and debris.
2. Remove and clean if dirt is present.
Accumulation of debris will decrease the ability of the Xantrex GT30 to
circulate cooling air over critical heat producing components within the
Xantrex GT30.
7–2
1-153405-01
This manual for use by qualified personnel only
Periodic Maintenance
00"
Top front screened vents
9.0
"
9.0
"
Right and left (not shown) screened vents
Figure 7-1 Location of Screened Vents for Cleaning
Six-Month Maintenance
WARNING: Shock Hazard
These instructions are for qualified service personnel only. Follow the “Lockout
and Tag/Isolation Procedure” on page x before proceeding.
With the AC and PV disconnect switches in the OFF positions, hazardous
voltages remain present on the field wiring terminals of the disconnects unless the
PV and AC circuits have been externally disconnected.
To perform 6-month maintenance:
1. Remove lower front access panel.
2. Visually inspect all conductors and terminals within the bottom compartment
for signs of corrosion or overheating. If problems are indicated on other than
field wiring, call Xantrex to service the Xantrex GT30.
3. Tighten all field wiring connections to the torque specified in Table 3-2 on
page 3–15 and Table 3-3 on page 3–17 in this manual.
4. Inspect enclosure access panel seals. If damaged, loose or distorted, call
Xantrex to service the Xantrex GT30.
5. Replace the lower front access panel.
1-153405-01
7–3
This manual for use by qualified personnel only
Preventative Maintenance
DC Connections
AC Connections
N
PV1 PV GFP
Fuses
PV1 +
PV2 PV2 +
L1
L2
L3
PV Equipment
Grounding Terminal
AC Equipment
Grounding Terminal
Communications
Connections
RS232 serial port
Figure 7-2 Xantrex GT30 Wiring Compartment
7–4
1-153405-01
This manual for use by qualified personnel only
A
Specifications
Appendix A provides the environmental and electrical specifications
for the Xantrex GT30 Grid-Tied Photovoltaic Inverter.
Specifications
System Specifications
The Xantrex GT30 has been designed for photovoltaic power systems which
operate within the following specifications.
CAUTION: Equipment Damage
Operation of the Xantrex GT30 in a manner other than specified in this manual
may cause damage to the Xantrex GT30 and other system components and will
void the terms of the warranty.
Environmental Specifications
Table A-1 Environmental Specifications
Specification
Value
Dimensions
1,220 mm H x 560 mm W x 1350 mm D
(48 in. H x 22 in. W x 13 in. D)
Weight
74.8 kg (165 lbs)
Allowable Ambient Operating and Storage
Temperature
-20 °C to 50 °C Maximum (-4 °F to 122 °F)
Relative Humidity
to 95%, non-condensing
Elevation
maximum 2000 m (6600 ft)
Protection Class
NEMA 3R, outdoor rated
Clearance (ventilation and serviceability)
Top
Front
Sides
Rear
305 mm (12 in.)
914 mm (36 in.) and obey local service access/clearance standards
305 mm (12 in.)
0 mm (0 in.)
A–2
1-153405-01
System Specifications
Electrical Specifications
Table A-2 Electrical Specifications
Parameter
Specification
Nominal AC Input Voltage (+10% to -12% default range)
120/208 Vac (184 to 228 Vac)
Maximum Continuous AC Output Current
80 Arms
Nominal AC Frequency (+0.5 to -0.7 Hz default range)
60 Hz (59.3 to 60.5 Hz)
Line Power Factor >25% Power
>0.99
Maximum Continuous Output Power (CEC)
28.8 kW
Maximum Continuous Output Power (at Vac>1.04Vnom)
30 kW
Sell Power
Rangea
300 W to 30 kW
PV Operating Range
180 to 430 Vdc per monopole
Maximum Connected PV Input Power (at STC)
35kW total
Maximum Open Circuit Voltage, all conditions
430 Vdc per monopole
Maximum Open Circuit Voltage, STC conditions
375 Vdc per monopole
Maximum DC Current
80 A
Maximum Array Short Circuit Current (at STC)
80 A
Maximum Array Short Circuit Current all conditions
100 A
Peak AC Short Circuit Current Contribution
169 A for 0.5ms
RMS AC Short Circuit Current Contribution
52 Arms for 8ms
Maximum Back-feed Current (from inverter onto PV wiring)
100 A
Power Conversion Efficiency
96.0% CEC
Standby and Nighttime Tare Loss
< 20 W
a. Range adjustable using PV View, to a minimum of 100 W
Regulatory Specifications
Table A-3 Regulatory Specifications
1-153405-01
Type
Regulation Met
Safety and Interconnect
UL 1741 Rev 2005
IEEE 1547-2003 and 1547.1-2005
CSA C22.2 No. 107.1-01
Electromagnetic Compatibility
FCC Part 15B Class A
Industry Canada ICES-0003 Class A
IEEE C37.90.1-2002*
IEEE C37.90.2-2004*
IEEE C62.45-2002*
*those portions called out by IEEE 1547
A–3
Specifications
Over Voltage, Under Voltage and Frequency Ranges
Table A-4 provides the over voltage, under voltage, over-frequency, and underfrequency detection limits for the Xantrex GT30. These detection limits have been
certified to be in compliance with UL 1741 Rev 2005 and IEEE 1547
requirements for utility interaction.
Vac or f Condition (% of Nominal)
Factory Default Voltagea and Frequency Limitsb
Trip Timec
Vac < 60% (Fast Under-voltage)
Vac < 72
3 cycles
60%  Vac < 88% (Under-voltage)
72  Vac < 106
110 cycles
88% < Vac 110% (Nominal)
106 < Vac  132
normal operation
110% < Vac < 120% (Over-voltage)
132 < Vac < 144
50 cycles
120%  Vac (Fast Over-voltage)
144  Vac
3 cycles
f < rated -3.0 (Fast Under Frequency)
f < 57.0
3 cycles
f < rated -0.7 (Under Frequency)
f < 59.3
8 cycles
f > rated +0.5 (Over Frequency)
f > 60.5
8 cycles
a. All voltages are phase-to-neutral.
b. These voltage and frequency trip settings are field adjustable by qualified personnel, see Table 5-1 and Table 5-2 on
page 5–3.
c. These values allow for measurement and response time within the inverter.
Important: Any changes made to these settings need to be done under the
direction of, and with the approval of, your local utility and electrical authority
Table A-4 Accuracy/Tolerances for Adjustable Voltage & Frequency Settings
Trip Limit and Trip Time Accuracy
A–4
Voltage
+/- 2.00%
Frequency
+/- 0.1 Hz
Detection Time
1.5 cycles
1-153405-01
Dimensions
Dimensions
1072mm
42.2in
558mm
22.0in
352mm
13.9in
Figure A-1 Xantrex GT30 Dimensions
1-153405-01
A–5
A–6
B
Commissioning Test
Record
Appendix B contains the Commissioning Test Record for the Xantrex
GT30 Grid-Tied Photovoltaic Inverter.
B–2
Commissioning Test Record
Commissioning Test Record
Step 1. Record and Document Serial Number and Inverter Location
Date and Time of Commissioning:
Inverter Serial Number:
Inverter Location:
Technician Name:
Company Name:
Contact Email:
Address:
City:
Step 2. Installation and Cable Check
Power Conductors installed correctly: Yes 
Step 3. Verify AC Utility Voltage
L1 to N Measurement:
L2 to N Measurement:
Step 4. Verify DC PV Voltage
PV1+ to PV1– : _________Vdc.
PV2+ to PV2– : _________Vdc.
State:
Terminations are properly torqued: Yes 
L3 to N Measurement:
N to Ground:
DC Polarity is correct: Yes 
DC Polarity is correct: Yes 
Step 5. Apply AC Grid Voltage to the Xantrex GT30
Control Power circuits energized: Yes 
Notes:
Step 6. Confirm Operation of Front Panel LCD
Boots and Displays correctly: Yes 
PV Disconnect Switch Fault Clears: Yes 
U1 Software version:
U2 Software version:
Notes:
Step 11. Operate the Xantrex GT30 in Power Tracking Mode
I PPT Max % gradually increased
I PPT Max% initially set to10 %: Yes 
Xantrex GT30 operates correctly:
to 100 %: Yes 
Yes 
Notes:
1-153405-01
B–3
B–4
Warranty and Return Information
Warranty
What does this warranty cover and how long does it last? This Limited Warranty is provided by Xantrex
Technology Inc. ("Xantrex") and covers defects in workmanship and materials in your Xantrex GT30 Grid-Tied
Photovoltaic Inverter. This warranty period lasts for 5 years starting three months from the date of purchase at the
point of sale to you, the original end user customer, unless otherwise agreed in writing (the “Warranty Period”). You
will be required to demonstrate proof of purchase to make warranty claims.
This Limited Warranty is transferable to subsequent owners but only for the unexpired portion of the Warranty
Period. Subsequent owners also require original proof of purchase as described in "What proof of purchase is
required?"
What will Xantrex do? During the Warranty Period Xantrex will, at its option, repair the product (if
economically feasible) or replace the defective product free of charge, provided that you notify Xantrex of the
product defect within the Warranty Period, and provided that Xantrex through inspection establishes the existence of
such a defect and that it is covered by this Limited Warranty.
Xantrex will, at its option, use new and/or reconditioned parts in performing warranty repair and building
replacement products. Xantrex reserves the right to use parts or products of original or improved design in the repair
or replacement. If Xantrex repairs or replaces a product, its warranty continues for the remaining portion of the
original Warranty Period or 90 days from the date of the return shipment to the customer, whichever is greater. All
replaced products and all parts removed from repaired products become the property of Xantrex.
Xantrex covers both parts and labor necessary to repair the product, and return shipment to the customer via a
Xantrex-selected non-expedited surface freight within the contiguous United States and Canada. Alaska, Hawaii and
outside of the United States and Canada are excluded. Contact Xantrex Customer Service for details on freight policy
for return shipments from excluded areas.
How do you get service? If your product requires troubleshooting or warranty service, contact your merchant. If
you are unable to contact your merchant, or the merchant is unable to provide service, contact Xantrex directly at:
Tel:
1 408 987 6255
Fax:
1 925 245 1022
Email: re.techsupport@schneider-electric.com
www.schneider-electric.com
Direct returns may be performed according to the Xantrex Return Material Authorization Policy described in your
product manual. For some products, Xantrex maintains a network of regional Authorized Service Centers. Call
Xantrex or check our website to see if your product can be repaired at one of these facilities.
What proof of purchase is required? In any warranty claim, dated proof of purchase must accompany the
product and the product must not have been disassembled or modified without prior written authorization by Xantrex.
Proof of purchase may be in any one of the following forms:
• The dated purchase receipt from the original purchase of the product at point of sale to the end user; or
• The dated dealer invoice or purchase receipt showing original equipment manufacturer (OEM) status; or
• The dated invoice or purchase receipt showing the product exchanged under warranty.
What does this warranty not cover? Claims are limited to repair and replacement, or if in Xantrex's discretion
that is not possible, reimbursement up to the purchase price paid for the product. Xantrex will be liable to you only
for direct damages suffered by you and only up to a maximum amount equal to the purchase price of the product.
This Limited Warranty does not warrant uninterrupted or error-free operation of the product or cover normal wear and
tear of the product or costs related to the removal, installation, or troubleshooting of the customer's electrical systems.
This warranty does not apply to and Xantrex will not be responsible for any defect in or damage to:
a) the product if it has been misused, neglected, improperly installed, physically damaged or altered, either
internally or externally, or damaged from improper use or use in an unsuitable environment;
1-153405-01
WA–1
Warranty and Return
b) the product if it has been subjected to fire, water, generalized corrosion, biological infestations, or input voltage
that creates operating conditions beyond the maximum or minimum limits listed in the Xantrex product
specifications including, but not limited to, high input voltage from generators and lightning strikes;
c) the product if repairs have been done to it other than by Xantrex or its authorized service centers (hereafter
"ASCs");
d) the product if it is used as a component part of a product expressly warranted by another manufacturer;
e) component parts or monitoring systems supplied by you or purchased by Xantrex at your direction for
incorporation into the product;
f) the product if its original identification (trade-mark, serial number) markings have been defaced, altered, or
removed;
g) the product if it is located outside of the country where it was purchased; and
h) any consequential losses that are attributable to the product losing power whether by product malfunction,
installation error or misuse.
Disclaimer
Product
THIS LIMITED WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY PROVIDED BY XANTREX IN CONNECTION WITH YOUR
XANTREX PRODUCT AND IS, WHERE PERMITTED BY LAW, IN LIEU OF ALL OTHER WARRANTIES, CONDITIONS,
GUARANTEES, REPRESENTATIONS, OBLIGATIONS AND LIABILITIES, EXPRESS OR IMPLIED, STATUTORY OR OTHERWISE IN
CONNECTION WITH THE PRODUCT, HOWEVER ARISING (WHETHER BY CONTRACT, TORT, NEGLIGENCE, PRINCIPLES OF
MANUFACTURER'S LIABILITY, OPERATION OF LAW, CONDUCT, STATEMENT OR OTHERWISE), INCLUDING WITHOUT
RESTRICTION ANY IMPLIED WARRANTY OR CONDITION OF QUALITY, MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT
REQUIRED UNDER APPLICABLE LAW TO APPLY TO THE PRODUCT SHALL BE LIMITED IN DURATION TO THE PERIOD
STIPULATED UNDER THIS LIMITED WARRANTY.
IN NO EVENT WILL XANTREX BE LIABLE FOR: (A) ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES,
INCLUDING LOST PROFITS, LOST REVENUES, FAILURE TO REALIZE EXPECTED SAVINGS, OR OTHER COMMERCIAL OR
ECONOMIC LOSSES OF ANY KIND, EVEN IF XANTREX HAS BEEN ADVISED, OR HAD REASON TO KNOW, OF THE POSSIBILITY
OF SUCH DAMAGE; (B) ANY LIABILITY ARISING IN TORT, WHETHER OR NOT ARISING OUT OF XANTREX'S NEGLIGENCE,
AND ALL LOSSES OR DAMAGES TO ANY PROPERTY OR FOR ANY PERSONAL INJURY OR ECONOMIC LOSS OR DAMAGE
CAUSED BY THE CONNECTION OF A PRODUCT TO ANY OTHER DEVICE OR SYSTEM; AND (C) ANY DAMAGE OR INJURY
ARISING FROM OR AS A RESULT OF MISUSE OR ABUSE, OR THE INCORRECT INSTALLATION, INTEGRATION OR OPERATION
OF THE PRODUCT BY PERSONS NOT AUTHORIZED BY XANTREX.
Exclusions
If this product is a consumer product, federal law does not allow an exclusion of implied warranties. To the extent you
are entitled to implied warranties under federal law, to the extent permitted by applicable law they are limited to the
duration of this Limited Warranty. Some states, provinces and jurisdictions do not allow limitations or exclusions on
implied warranties or on the duration of an implied warranty or on the limitation or exclusion of incidental or
consequential damages, so the above limitation(s) or exclusion(s) may not apply to you. This Limited Warranty gives
you specific legal rights. You may have other rights which may vary from state to state, province to province or
jurisdiction to jurisdiction.
Return Material Authorization Policy
For those products that are not being repaired in the field and are being returned to Xantrex, before returning a
product directly to Xantrex you must obtain a Return Material Authorization (RMA) number and the correct factory
"Ship To" address. Products must also be shipped prepaid. Product shipments will be refused and returned at your
expense if they are unauthorized, returned without an RMA number clearly marked on the outside of the shipping
box, if they are shipped collect, or if they are shipped to the wrong location.
WA–2
1-153405-01
Warranty and Return
When you contact Xantrex to obtain service, please have your instruction manual ready for reference and be prepared
to supply:
• The serial number of your product
• Information about the installation and use of the unit
• Information about the failure and/or reason for the return
• A copy of your dated proof of purchase
Record these details in “Information About Your System”.
Return Procedure
Package the unit safely, preferably using the original box and packing materials. Please ensure that your product is
shipped fully insured in the original packaging or equivalent. This warranty will not apply where the product is
damaged due to improper packaging.
Include the following:
• The RMA number supplied by Xantrex Technology Inc. clearly marked on the outside of the box.
• A return address where the unit can be shipped. Post office boxes are not acceptable.
• A contact telephone number where you can be reached during work hours.
• A brief description of the problem.
Ship the unit prepaid to the address provided by your Xantrex customer service representative.
If you are returning a product from outside of the USA or Canada In addition to the above, you MUST
include return freight funds and are fully responsible for all documents, duties, tariffs, and deposits.
If you are returning a product to a Xantrex Authorized Service Center (ASC) A Xantrex return
material authorization (RMA) number is not required. However, you must contact the ASC prior to returning the
product or presenting the unit to verify any return procedures that may apply to that particular facility and that the
ASC repairs this particular Xantrex product.
Out of Warranty Service
If the warranty period for your product has expired, if the unit was damaged by misuse or incorrect installation, if
other conditions of the warranty have not been met, or if no dated proof of purchase is available, your unit may be
serviced or replaced for a flat fee.
To return your product for out of warranty service, contact Xantrex Customer Service for a Return Material
Authorization (RMA) number and follow the other steps outlined in "Return Procedure".
Payment options such as credit card or money order will be explained by the Customer Service Representative. In
cases where the minimum flat fee does not apply, as with incomplete units or units with excessive damage, an
additional fee will be charged. If applicable, you will be contacted by Customer Service once your unit has been
received.
1-153405-01
WA–3
Warranty and Return
Information About Your System
As soon as you open your Xantrex GT30 Grid-Tied Photovoltaic Inverter package, record the following information
and be sure to keep your proof of purchase.
❐ Serial Number
_________________________________
❐ Purchased From
_________________________________
❐ Purchase Date
_________________________________
Warranty Registration
Please fill the required information in and send this page to Xantrex Technology Inc. (fax number: 925 455 0382) in
order to apply for the 5 years Limited Warranty.
General Project and Product Information
❐ Customer Company Name:
______________________________
❐ Project Name:
______________________________
❐ System Location Information
•
Street
______________________________
•
City
______________________________
•
State/ZIP Code
______________________________
❐ Xantrex Inverter Model:
______________________________
❐ Serial Number of Inverter:
______________________________
❐ Serial number of Isolation Transformer:
______________________________
❐ Date of Commissioning (MM/DD/YY)
______________________________
Xantrex Authorized Signature:
________________________________________
________________________________________
Date:
____________________
Customer Authorized Signature:
________________________________________
________________________________________
Date:
____________________
WA–4
1-153405-01
Schneider Electric
Tel:
1 408 987 6255
Fax:
1 925 245 1022
Email: re.techsupport@schneider-electric.com
www.schneider-electric.com
1-153405-01
Printed in USA
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