Edwards Drystar EDP80 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 EDP80 Series Specifications

General

Brand	Edwards
Model	Drystar EDP80 Series
Category	Water Pump
Language	English

Summary

Introduction

Drive Operation

Covers how the pump's drive mechanism, coupling, and torque limiter work.

Normal/Abnormal Operation

Defines normal operation and lists prohibited uses of the EDP pump.

Technical Data

Performance

Provides performance data like maximum pumping speed, displacement, and vacuum.

Temperature Control System

Details temperature control system components, ranges, and ratings.

Connections

Installation

Locate the Pump

Check the Coolant Level

Details the procedure for checking and refilling the pump's coolant level.

Check the Gearbox Oil-level

Electrical Connections

Guides on making electrical connections, including ATEX system considerations.

Connect the Thermal Snap-switch (if fitted)

Connect the Temperature Transmitter (if fitted)

Check the Direction of Pump Rotation

Details how to verify and correct the pump's rotational direction before operation.

Connect the Cooling-Water Supply

Guides on connecting the cooling-water supply and return lines to the pump.

Connect the Shaft-Seals Purge Nitrogen Supply

Connect the Pump-Inlet and Outlet

Covers connecting the pump to process and exhaust systems.

Leak Test the Installation

Details the procedure for leak testing the installed system.

Commission the Pump

Guides on the final steps to commission the pump after installation.

Operation

Operational Safety

Outlines crucial safety precautions to observe during pump operation.

ATEX System Control

Non-ATEX System Control

Inspect and Reset the Torque Limiter (Pumps with a Torque Limiter Only)

Maintenance

Safety

Lists essential safety instructions for performing maintenance on the pump.

Maintenance Plan

Details the recommended maintenance schedule and frequency for the EDP pump.

Check the Gearbox Oil-level and Fill the Gearbox with Oil (if Necessary)

Provides steps to check and refill the gearbox oil.

Check the Shaft-Seals Purge Supply

Remove the Inlet Filter

Inspect the Pressure Relief Valve and Replace the Hinge Bushes, Flap and O-ring (if Necessary): EDP250 and EDP400 Only

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

Procedure for changing pump oil and cleaning sight-glasses.

Relubricate/Inspect the Rotor Bearings

Instructions for relubricating and inspecting the pump's rotor bearings.

Check the Coolant Level and Refill if Necessary

Steps to check and refill the pump's coolant.

Replace the Pressure Relief Valve (EDP250 and EDP400 Only)

Inspect the Torque Limiter

Lower the Pump-Motor and Coupling Cover (with the Motor Change Frame)

Remove the Coupling Cover from the Pump-Motor

Remove the Drive Hub and Fit to the New Pump-Motor (Pumps Without a Torque Limiter)

Remove the Torque Limiter and Fit to the New Pump-Motor (Pumps with a Torque Limiter)

Fit the Coupling Cover to the New Pump-Motor

Refit the Pump-Motor and Coupling Cover to the Pump (Without the Motor Change Frame)

Refit the Pump-Motor and Coupling Cover to the Pump (with the Motor Change Frame)

Fit a Replacement Service Module

Provides instructions for fitting a replacement service module.

Prepare the Pump

Remove the Old Service Module

Detailed procedure for removing the old service module.

Inspect the Components Removed from the Service Module

Fit the New Service Module

Steps for fitting the new service module and its associated components.

Fault Finding

A table listing common symptoms, checks, and corrective actions for pump issues.