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Edwards Drystar EDP400 Series User Manual

Edwards Drystar EDP400 Series
82 pages
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A705-40-880
Issue B Original
Instruction Manual
Drystar® EDP80 (50 Hz), EDP80 (60 Hz),
EDP160 (50 Hz), EDP160 (60 Hz), EDP250 (50/60 Hz),
EDP400 (50 Hz) and EDP400 (60 Hz)
Chemical Dry Vacuum Pumps
Note: The Item Numbers listed above are for Bareshaft Pumps, without a motor. However, this manual contains general information
on how to connect a motor to the electrical supply, and on how to replace a motor.
The EDP Pumping System instruction manual you will receive will define the build specification of your pump; that is, the
type of motor and any ordering options and accessories fitted. You will also receive a motor instruction manual specific to
the motor fitted to your pump.
Description Item Number
Drystar EDP80 (50 Hz) Bareshaft Pump A705-45-000
Drystar EDP80 (60 Hz) Bareshaft Pump A705-47-000
Drystar EDP160 (50 Hz) Bareshaft Pump A705-44-000
Drystar EDP160 (60 Hz) Bareshaft Pump A705-46-000
Drystar EDP250 (50/60 Hz) Bareshaft Pump A705-43-000
Drystar EDP400 (50 Hz) Bareshaft Pump A705-42-000
Drystar EDP400 (60 Hz) Bareshaft Pump A705-41-000

Table of Contents

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Edwards Drystar EDP400 Series Specifications

General IconGeneral
BrandEdwards
ModelDrystar EDP400 Series
CategoryWater Pump
LanguageEnglish

Summary

Introduction to Edwards Drystar Pumps

Temperature Control System Details

Details the indirect cooling system and temperature monitoring mechanisms.

Pressure Relief Valve Functionality

Explains the function and operation of the pressure relief valve.

Drive Operation and Torque Limiter

Describes the drive coupling and torque limiter's role in protecting the pump mechanism.

Normal vs. Abnormal Pump Operation

Defines safe handling of gases and prohibited operations for the EDP pump.

Abnormal Operation Warnings

Lists strictly prohibited uses and dangerous operations for the EDP pump.

Technical Data for EDP Pumps

Pump Performance Specifications

Details maximum pumping speed, displacement, ultimate vacuum, and outlet pressure.

Connection Specifications

Details pump-inlet, pump-outlet, and purge port connection types and sizes.

Installation Procedures for EDP Pumps

Installation Safety Precautions

Emphasizes safety precautions for pump installation, including technician training and PPE.

Gearbox Oil Level and Electrical Connections

Details checking gearbox oil and making electrical connections safely.

Connecting Pump Coolant Temperature Sensors

Introduces connecting temperature sensors (transmitter or snap-switch) for monitoring.

Snap-Switch and Temperature Transmitter Wiring

Provides instructions for connecting the thermal snap-switch and temperature transmitter.

Pump Outlet Connection and Leak Testing

Guides on connecting the pump-outlet and performing leak tests.

Pump Commissioning Procedures

Outlines steps for commissioning the pump, adjusting sensors and TCV.

Operation of EDP Vacuum Pumps

Operational Safety Guidelines

Lists critical safety warnings and precautions during pump operation.

Maintenance and Servicing of EDP Pumps

General Maintenance Safety and Plan

Lists essential safety precautions and the scheduled maintenance plan.

Pump Oil Change and Bearing Lubrication

Details changing pump oil, cleaning sight-glasses, and relubricating rotor bearings.

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