Edwards Drystar EDP250 Series User Manual

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

Edwards Drystar EDP250 Series Specifications

General

Brand	Edwards
Model	Drystar EDP250 Series
Category	Water Pump
Language	English

Summary

Introduction

Normal/Abnormal Operation

Defines safe operating parameters and lists prohibited usage scenarios.

Technical Data

Performance

Provides key performance metrics: pumping speed, ultimate vacuum, and outlet pressure.

Installation

Electrical Connections

Covers safe wiring, motor connection, and safety considerations for ATEX systems.

Connect the Pump-Inlet and Outlet

Commission the Pump

Details initial setup, adjustments, and procedures before pump operation.

Operation

Operational Safety

Emphasizes critical safety measures and precautions during pump operation.

Non-ATEX System Control

Maintenance

Safety

Emphasizes safety precautions for all maintenance tasks, including PPE and isolation.

Maintenance Plan

Outlines routine service intervals, tasks, and recommended maintenance kits.

Change the Pump Oil and Clean the Oil-Level Sight-Glasses

Relubricate/Inspect the Rotor Bearings

Flush the Pump with Cleaning Solution

Inspect the Torque Limiter

Fit a Replacement Service Module

Step-by-step guide for replacing the pump's service module and associated parts.

Fault Finding

Provides troubleshooting steps for common pump issues and their solutions.