STP Series Turbomolecular Pump 
 
1  INTRODUCTION 
1.1  Scope and definitions 
This manual provides installation, operation and maintenance instructions for the Edwards 
Turbomolecular Pump (abbreviated to "STP pump" throughout this manual). In this manual, the 
control unit for the turbomolecular pump is referred to as the "STP control unit". You must use the 
STP pump as specified in this manual otherwise the protection provided by the equipment may be 
impaired. 
Important safety information is highlighted as WARNING and CAUTION instructions; these 
instructions are mandatory. The use of WARNINGS and CAUTIONS is defined below: 
WARNING 
 
Warnings are given where failure to observe the instruction could result in serious injury 
or death to people. 
CAUTION 
 
Cautions are given where failure to observe the instruction could result minor personal injury in 
damage to the equipment, associated equipment and/or process. 
 
Note:  Items you must follow during operation and maintenance. 
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/symbols appear on the STP Pump and Instruction Manual: 
Warning - This symbol denotes general warning  
  Refer to accompanying documentation and instruction manual.  
Warning - Hot surface 
  This symbol denotes the risk of burns. 
Warning - Heavy object 
  This symbol denotes the risk of low back pain and fall.