1 INTRODUCTION
1.1 Scope and definitions
This manual provides installation, operation and maintenance instructions for the Edwards
ESDP12 and ESDP30 Scroll Pumps. You must use the pumps as specified in this manual.
Read this manual before you install and operate the pumps. Important safety information is
highlighted as WARNING and CAUTION instructions; you must obey these instructions. The
use of WARNINGS and CAUTIONS is defined below.
WARNING
Warnings are given where failure to observe the instruction could result in injury or death
to people.
CAUTION
Cautions are given where failure to observe the instruction could result in damage to the
equipment, associated equipment and process.
The units used throughout this manual conform to the SI international system of units of
measurement. For displacement and pumping speed, the term ’cfm’ is also used to mean
ft
3
min
-1
.
The following symbol appears on the pumps:
Caution - risk of electric shock.
ESDP12 and ESDP30 Scroll Pumps 1
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