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Edwards nEXT300 - User Manual

Edwards nEXT300
108 pages
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nEXT Turbomolecular Pumps
nEXT240, nEXT300 and nEXT400
INSTRUC
TION MANUAL
B80000880_G Original instrucons
edw
ardsvacuum.com

Table of Contents

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Edwards nEXT300 Specifications

General IconGeneral
BrandEdwards
ModelnEXT300
CategoryWater Pump
LanguageEnglish

Summary

Safety and Compliance

Introduction to nEXT Pumps

Operational Features: Power Limit and Standby Speed

Covers setting power limits and using the standby speed feature for pump operation.

Operational Features: Timer and Analogue Output

Explains the timer function and the use of analogue output for monitoring pump parameters.

Operational Features: Vent Options and Speed Settings

Details automatic vent options and how to set the normal operating speed.

Logic Interface: Parallel Control and Serial Control

Explains parallel and serial control methods, including combinations.

Logic Interface: Mixed Control and Serial Configuration

Covers mixed control modes and detailed controller configuration via serial interface.

Technical Data

nEXT 240;300 Pump Technical Data

Lists detailed technical specifications for nEXT240 and nEXT300 pump variants.

nEXT 400 Pump Technical Data

Lists detailed technical specifications for nEXT400 pump variants.

nEXT Pump Data: Flow, Pressure, and Cooling

Presents data on continuous inlet flow, backing pressure, and cooling requirements.

Installation

Unpack and Inspect Pump

Guides on safely unpacking, inspecting, and handling the pump upon receipt.

Typical Installation and Vacuum System Connection

Illustrates a typical pumping system and provides instructions for connecting the pump to the vacuum system.

Mechanical Fixing and Pump Installation Methods

Provides methods for mechanically fixing the pump to the vacuum system or a support.

Inlet Connection and Orientation Guidelines

Specifies how to connect the pump's inlet flange and recommended installation orientations.

Base Mounting and Backing Port Connection

Covers base mounting procedures and guidelines for connecting the backing port.

Electrical Installation

Grounding Connections and Logic Interface Setup

Details grounding and connecting the logic interface to TIC or customer equipment.

Connecting the Electrical Supply

Provides essential safety warnings and instructions for connecting the pump's electrical supply.

Parallel Control and Monitoring Connections

Explains how to connect the pump for parallel control and monitoring using the logic interface.

Serial Control and Monitoring Connection

Details how to establish a serial connection for pump control and monitoring.

Mixed Parallel and Serial Operation

Vent Options, Connection, and Control

Details vent options, connecting vent valves, and their control methods.

Cooling

Configuration

Pump Configuration Methods Overview

Outlines methods for configuring the pump controller settings, via serial commands or TIC.

Serial Commands: Power Limit and Fan Control

Details serial commands for setting the power limit and controlling the fan from the controller.

Serial Commands: Controlled Venting Options

Explains serial commands for configuring automatic vent options.

Serial Commands: Speed Settings

Covers serial commands for adjusting standby and normal speed settings.

Serial Commands: Timer Settings and Options

Details serial commands for configuring timer settings and enabling/disabling the timer.

Serial Commands: Analogue Options and Factory Settings

Explains serial commands for configuring analogue output and resetting to factory settings.

Operation

Pre-Start Procedures and Checks

Provides essential steps and checks to perform before starting the pump, including LED checks.

Parallel Control Operation: Start, Standby, Stop

Explains how to start, operate at standby speed, stop, and monitor the pump using parallel control.

Serial Control Operation: Start, Standby, Stop

Details serial commands for starting, setting standby speed, and stopping the pump.

Maintenance

Safety Precautions for Maintenance

Highlights safety precautions and PPE required for pump maintenance.

Bearing and Oil Cartridge Service

Details the service life and replacement recommendations for bearings and oil cartridges.

Fault Finding

Controller Safety and Fault Finding Table

Emphasizes controller safety and provides a table for identifying and rectifying common faults.

Troubleshooting: Pump Rotation and Pressure Issues

Addresses issues like pump not rotating, high pressure, and contamination.

Troubleshooting: Noise, Vibration, and Serial Comms

Covers troubleshooting for noise, vibration, and serial communication failures.

Troubleshooting: LED Status and Error Codes

Explains the meaning of LED indicators and how to interpret flashing error codes.

Service

Spares

Accessories

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