© Edwards Limited 2007. All rights reserved. Page 1
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Introduction
A419-00-880 Issue F
1Introduction
1.1 Scope and definitions
This manual provides installation, operation and maintenance instructions for the Edwards EPX HiVac Series of dry
vacuum pumps (these are abbreviated to ‘EPX pump’ for the remainder of this manual). You must use the EPX pump
as specified in this manual.
Read this manual before you install, operate, and maintain the EPX pump. Important safety information is highlighted
as WARNING and CAUTION instructions; you must obey these instructions. The use of WARNINGS and CAUTIONS is
defined below.
Statements and instructions in the following manual that refer to the EPX variant pump are equally applicable to the
EPX Twin pump unless stated otherwise. Differences between the two pump variants are restricted to power
characteristics, external connections to the exhaust extraction system and external dimensions/appearance.
Cautions are given where failure to observe the instruction could result in damage to the equipment, associated
equipment and process.
Throughout this manual, page, figure and table numbers are sequential.
The units used throughout this manual conform to the SI international system of units of measurement; US equivalent
units of measurement are also given.
The following IEC warning labels appear on the pump or in the manual:
Warnings are given where failure to observe the instruction could result in injury or death to
people.
Warning - refer to accompanying documentation.
Warning - risk of electric shock.
Warning - hot surfaces.
Warning - danger of injury from rotating parts.
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