Edwards nXDS15i - User Manual

Dry Vacuum Pump
nXDS Scr
oll Pump
INSTRUCTION MANUAL
A73501880_G Original ins
trucons
edwardsvacuum.com
DESCRIPTION ITEM NUMBER DESCRIPTION ITEM NUMBER
nXDS6i A73501983 nXDS15iC A73702983
nXDS10i A73601983 nXDS20iC A73802983
nXDS15i A73701983 nXDS6iR A73503983
nXDS20i A73801983 nXDS10iR A73603983
nXDS6iC A73502983 nXDS15iR A73703983
nXDS10iC A73602983 nXDS20iR A73803983

Edwards nXDS15i Specifications

General

Brand	Edwards
Model	nXDS15i
Category	Water Pump
Language	English

Summary

1. Safety and Compliance

1.1 Definition of Warnings and Cautions

Explains the meaning of warning, caution, and notice symbols used in the manual.

1.2 Safety Symbols

Describes the safety symbols used in the manual and on the product.

2. Introduction

2.1 Scope of this manual

2.2 ATEX directive implication

2.3 Description

2.4 Pump controller

2.5 Logic interface

2.6 Gas ballast control

3. Technical Data

3.1 Operating and storage conditions

Specifies environmental and operational conditions for the pump.

3.2 Performance

Details general characteristics and performance metrics of the pump.

3.2.1 Pumping media

Lists gases and vapours the pump is designed to handle.

3.2.2 Performance characteristics

Explains how gas ballast affects performance characteristics.

3.3 Mechanical data

Provides physical dimensions and mass specifications.

3.3.1 Sound and vibration data

Specifies sound pressure and vibration levels.

3.3.2 Construction

Details the materials used in the pump's construction.

3.4 Electrical data

Covers electrical ratings, supply protection, and cables.

3.4.1 Electrical cables

Lists recommended cord sets and fuses for regional requirements.

3.5 Logic interface data

Provides technical data for the 15-way D-type logic interface connector.

3.6 LED indicators

Explains the function of each LED indicator on the user interface.

4. Installation

4.1 Safety

Crucial safety precautions during the installation process.

4.2 System design considerations

Important factors to consider when designing the vacuum system.

4.3 Unpack and inspect

Procedures for unpacking and checking the pump for damage.

4.4 Position the pump

Guidelines for correctly positioning the pump for operation.

4.5 Connect to the vacuum system

4.6 Electrical installation

4.7 Connection for remote control and monitoring

5. Operation

5.1 Operational modes

5.2 Manual operation

5.2.1 Start and stop

5.2.2 Standby

5.3 Parallel control and monitoring

5.4 Analogue speed control

5.4.1 Hardware configuration

5.4.2 Operation

5.5 Auto-run

5.6 Use of gas ballast control

5.6.1 Gas ballast control

5.7 Start up procedure

5.8 To achieve ultimate vacuum

5.9 To pump condensable vapours

5.10 Shut down

6. Maintenance

6.1 Safety information

6.2 Maintenance plan

6.3 Inspect and clean the inlet strainer

6.4 Clean the external fan cover

6.5 Check the pump performance (service indicator)

6.6 Replace the tip-seals

6.7 Replace the pump bearings (service indicator)

6.8 Replace the pump controller (service indicator)

6.9 Electrical safety check

6.10 Service indicator codes

7. Fault finding

7.1 The pump has failed to start or has stopped

Potential causes and solutions for startup or stoppage failures.

7.2 The pump has failed to achieve the required performance

Troubleshooting steps for performance issues.

7.3 The pump has poor ultimate vacuum

Diagnosing and resolving issues with poor ultimate vacuum.

7.4 The pump is noisy

Identifying and fixing causes of pump noise.

7.5 The pump surface temperature is high

Causes and solutions for high pump surface temperature.

7.6 Alarm indicator codes

Interpreting alarm indicator codes for fault diagnosis.