ExelTech XP250 Installation And Operation Manual
XP250 INSTALLATION AND OPERATION MANUAL
7317 Jack Newell Blvd North
Fort Worth, Texas 76118-7100
817.595.4969 voice, 817.595.1290 fax
800.886.4683 toll free
website www.exeltech.com
Manufacturer of UL Listed Products
XP250 INSTALLATION AND OPERATION MANUAL
Copyright © 2001 Exeltech Inc. All rights reserved. This Document may not be
copied, photocopied, reproduced, translated or converted to any electronic or
machine-readable form in whole or in part without prior written approval of
Exeltech, Inc.
Acknowledgments
Project Management: Ben Baker and John Goetz
Writing: Gary Chemelewski and David Bond
Copy Editing: Ben Baker
Art, Photography and Layout: John Goetz
May 2002
Exeltech
7317 Jack Newell Blvd North
Fort Worth, Texas 76118-7100
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XP250 INSTALLATION AND OPERATION MANUAL
Table of Contents
Introduction 1.0
Standard Features 2.0
Installation 3.0
Operation 4.0
Appendix A
Appendix B
page 3
page 5
page 7
page 10
page 11
page 12
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XP250 INSTALLATION AND OPERATION MANUAL
Introduction
1.0
Thank you for purchasing the finest sine-wave inverter in the power
conversion industry. Exeltech's journey to excellence includes the
first affordable sine-wave inverter, first modular inverter system, first
N+1 redundant inverter system, and the cleanest sine-wave output
in the industry. Exeltech strives to manufacture products of the
highest possible quality and is dedicated to 100% customer
satisfaction. Proudly built in the USA with American parts, Exeltech
is committed to TL 9000 standards and beyond, adding people and
procedur es cont inually to further improve qual ity and customer
service. We welcome you as a customer to the Exeltech family.
Congratulations!
.
Exeltech’s XP series inverters provide the cleanest, best regulated sine-wave
output over the widest DC input of any inverter on the market today.
They are extremely low in total harmonic distortion; specified to 2%, and
typically better than 1.5%. Total harmonic distortion is typically 0.8 to
0.9%. Remaining distortion is a result of residual switching noise,
which amounts to a very clean 25 KHZ sine-wave superimposed on
the fundamental output. No significant harmonics of 25 KHZ exist.
This spectral purity will exist over the inverter's entire operating
envelope, including non-linear and reactive loads. As long as peak
output current remains less than 300% of rated current, total harmonic
distortion will remain within the 2% spec. Peak current capability of the
inverter is key to understanding it's operational envelope. As long as
the inverter is supplying less than this amount, it will function properly
and operate virtually any load.
Many inverters are rated in Volt-Amps (VA), as opposed to Watts.
This is in an attempt to make an inverter or UPS (Uninterruptible
Power Supply) appear larger than it really is. The only fair way to
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XP250 INSTALLATION AND OPERATION MANUAL
specify these products is in Watts (W), which is power the inverter
can actually deliver. If Exeltech inverters were specified in VA, Our
1100 Watt inverter could be rated at 1375 VA at .8 power factor,
1570 VA at .7 pf, or an incredible 2200 VA at .5 pf. It is confusing to
specify a product in VA because the power factor must also be
specified. Exeltech's XP-Series inverters can output their full rated
power continuously up to 30 C (86 F).
o o
.
The inverter can maintain a spectrally pure output with any load due
to a specially designed non-linear control loop in the primary DC-to
-DC converter. This circuitry is one of three circuits that protect the
inverter from any overload condition.
.
XP-250
.
These inverters are capable of exceeding their rated power by 10%
for a limited time. The inverter's capability at this level is primarily
dependant upon temperature. If output power is exceeded, output
voltage is reduced to a level that will provide the inverter's rated
power to the load by clipping tops of the waveform. The inverter can
operate safely in this mode indefinitely. Should the overload condition
clear, the inverter will again provide the cleanest sine-wave in the
industry.
.
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