Edwards SCU-350 Series

SCU-350 Series Control Unit for Turbomolecular Pump
MT-21E-201-E
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INTRODUCTION
1 INTRODUCTION
1.1 Scope and definitions
This manual provides installation, operation and maintenance instructions for the Edwards SCU-350
control unit (abbreviated to "SCU-350" throughout this manual) for the Turbomolecular pump (STP).
You must use the SCU-350 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 SCU-350 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 - Hazardous Voltage
This symbol denotes the risk of electrical shock.
Protective earth (ground).
Connect the ground wire to this terminal to prevent electric shock.