Xantrex GT100 Series Manuel technique

Xantrex™ GT100

Grid-TiedPhotovoltaic

Inverter

Planning and Installation

Manual

This manual for use by qualified installers only

Xantrex™ GT100 Grid-Tied

Photovoltaic Inverter

Planning and Installation Manual

This manual for use by qualified installers only

About Xantrex

Xantrex Technology Inc. is a world-leading supplier of advanced power electronics and controls with products

ranging from small mobile units to utility-scale systems for wind, solar, batteries, fuel cells, microturbines, and

backup power applications in both grid-connected and stand-alone systems. Xantrex products include inverters,

battery chargers, programmable power supplies, and variable speed drives that convert, supply, control, clean, and

distribute electrical power.

Trademarks

Xantrex is a registered trademark of Xantrex International. 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

GT100 Grid-Tied Photovoltaic Inverter Planning and Installation Manual© April 2008 Xantrex International. All

rights reserved.

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’SRISK; 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

XANTREX CONTENT IS CONTAINED WITH THE ENGLISH LANGUAGE VERSION WHICH IS POSTED AT

WWW.XANTREX.COM.

Date and Revision

April 2008 Revision B

Manual Part Number

153379

Contact Information

Telephone: 1 800 670 0707 (toll free North America)

1 408 987 6030 (direct)

Fax: 1 800 994 7828 (toll free North America)

Email: [email protected]

Web: www.xantrex.com

153379 iii

This manual for use by qualified installers only

About This Manual

Purpose

The purpose of this Planning and Installation Manual is to provide explanations

and procedures for planning and installing the GT100 Grid-Tied Photovoltaic

Inverter.

Scope

The Manual provides safety guidelines, detailed planning and setup information,

and procedures for installing the inverter.

Audience

Anyone who plans to construct or install a system involving the GT100 Grid-Tied

Photovoltaic Inverter. Installers must meet all local and state code requirements

for licensing and training for the installation of Electrical Power Systems with AC

and DC voltage to 600 volts.

Organization

This Manual is organized into four chapters and one appendix:

Chapter 1, “Introduction” provides information about the features and functions

of the GT100 Grid-Tied Photovoltaic Inverter.

Chapter 2, “Planning” provides information to help plan the installation of the

GT100 Grid-Tied Photovoltaic Inverter.

Chapter 3, “Installation” describes the procedures needed to install the GT100

Grid-Tied Photovoltaic Inverter. This section includes unpacking and moving

instructions, mounting instructions, and cabling instructions.

Chapter 4, “Verification” provides a checklist to ensure the installation of the

GT100 Grid-Tied Photovoltaic Inverter is correct and complete.

Appendix A provides the environmental and electrical specifications for the

GT100 Grid-Tied Photovoltaic Inverter.

About This Manual

iv 153379

This manual for use by qualified installers only

Conventions Used

The following conventions are used in this guide.

GT100 Models

This Planning and Installation Manual contains information for four models of the

GT100 Grid-Tied Photovoltaic Inverter.

Two of the models are designed to operate with a 208 Vac utility input; one

configured for a negative grounded PV array (GT100-208-NG), and the other

configured for a positive grounded PV array (GT100-208-PG).

•ThemodelGT100-208-NG Grid-Tied Photovoltaic Inverter (208 Vac input,

negative grounded) will be referred to as the GT100-208-NG when it is being

referenced individually.

•ThemodelGT100-208-PG Grid-Tied Photovoltaic Inverter (208 Vac input,

positive grounded) will be referred to as the GT100-208-PG when it is being

referenced individually.

Additionally, two of the models are designed to operate with a 480 Vac utility

input; one configured for a negative grounded PV array (GT100-480-NG), and the

other configured for a positive grounded PV array (GT100-480-PG).

•ThemodelGT100-480-NG Grid-Tied Photovoltaic Inverter (480 Vac input,

negative grounded) will be referred to as the GT100-480-NG when it is being

referenced individually.

•ThemodelGT100-480-PG Grid-Tied Photovoltaic Inverter (480 Vac input,

positive grounded) will be referred to as the GT100-480-PG when it is being

referenced individually.

When all models are being referenced together, they will be referred to as the

GT100.

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 not as

serious as a caution or warning.

About This Manual

153379 v

This manual for use by qualified installers only

Abbreviations and Acronyms

Related Information

You can find more information about Xantrex Technology Inc. as well as its

products and services at www.xantrex.com.

ANSI American National Standards Institute

CCU2 Converter Control Unit 2

CFM Cubic Feet per Minute

CW Clockwise

DSP Digital Signal Processor

GUI Graphical User Interface

IEEE Institute of Electrical and Electronics Engineers

IGBT Insulated Gate Bipolar Transistor

kcmil 1000 circular mils

LM Liter per Minute

NFPA National Fire Protection Association

PSL Phase-Shift Loop

PV Photovoltaic

UFCU Universal Frontpanel Control Unit

VFD Vacuum Fluorescent Display

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This manual for use by qualified installers only

Important Safety Instructions

SAVE THESE INSTRUCTIONS - DO NOT DISCARD

This manual contains important safety instructions for the GT100 Grid-Tied

Photovoltaic Inverter that must be followed during installation and maintenance

procedures.

WARNING: Shock Hazard

Read and keep this Planning and Installation Manual for future reference.

Before operating and maintaining the GT100, read all instructions, cautionary markings,

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 GT100 Inverter Enclosure contains exposed high voltage conductors. The Inverter

enclosure doors should remain closed with the latches tightened, except during

maintenance or testing. These servicing 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 600 volts. To reduce

the risk of electric shock, do not perform any servicing other than that specified in the

installation instructions unless you are qualified to do so. Do not open the cabinet doors if

extreme moisture is present (rain or heavy dew).

WARNING: Lethal Voltage

In order to remove all sources of voltage from the GT100, the incoming power must be de-

energized at the source. This may be done at the main utility circuit breaker and by

opening the AC Disconnect and the DC Disconnect Switch on the GT100. Review the

system configuration to determine all of the possible sources of energy. In addition, allow

five minutes for the DC bus capacitors to discharge after removing power. Follow the

“Lockout and Tag” procedure on page xi to de-energize the GT100.

WARNING: Shock hazard

If a ground fault has occurred, there may be potential between TB4 and GND. The

normally grounded pole may be energized and ungrounded.

Safety

viii 153379

This manual for use by qualified installers only

Risks

WARNING: Shock hazard

Parts of the capacitor charge will still be energized for a maximum of five minutes after

being disconnected.

Open doors only after the device is disconnected and discharged. Check whether the

device is no longer live (DC voltage) including terminals TB3 and TB4.

WARNING: Explosion hazard

The IGBT module may explode in the event of a major malfunction. The GT100 enclosure

doors should remain closed with the latches tightened, except during maintenance or

testing.

WARNING: Crush hazard

The inverters have a specific balance point that correlates to their Center of Gravity and

can topple down. Exercise care when moving the GT100.

WARNING: Amputation hazard

The inverters contain integrated ventilators including rotating ventilator wheels. Do not

place fingers in ventilator.

WARNING: Burn hazard

Inverters contain components that become hot during normal operation. Do not touch.

CAUTION: EQUIPMENT DAMAGE

The GT100 incorporates an air supply and exhaust air area, which must remain

unobstructed. The device can overheat and be destroyed if the installation instructions are

not adhered to.

CAUTION: EQUIPMENT DAMAGE

Sensitive electronics inside the GT100 can be destroyed when touched and when

electrostatically charged. Discharge via earth potential before touching and wear

appropriate protective gear.

CAUTION: EQUIPMENT DAMAGE

No connections or disconnections are to be made at the terminal strips or internal

connectors during operation.

Turn unit off before performing terminal work; wait five minutes (capacitor charge) and

recheck to ensure internal components are no longer live.

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