Related Manuals for Edwards nHT20
Summarization of Contents
Safety and Compliance
Definition of Warnings and Cautions
Explains the meaning of warnings, cautions, and notices for safe operation.
Safety Symbols
Illustrates and explains safety symbols used in the manual and on the product.
Important Safety Information
Mechanical Hazards
Details risks associated with mechanical aspects like high pressure and heavy objects.
Electrical Hazards
Covers risks of electric shock from live parts and improper electrical connections.
Thermal Hazards
Addresses burn risks from hot surfaces and equipment during operation.
Danger Through Substances and Materials
Outlines hazards related to toxic substances, harmful vapors, and lubricant reactions.
Product Description
Design and Function
Describes the internal components and operational principles of the diffusion pumps.
Supplied Equipment
Lists standard equipment included with the pump upon shipment.
Technical Specifications
Dimension Drawings
Provides detailed dimensional drawings for different pump models.
Pumping Speed Curves
Presents performance curves showing pumping speed vs. throughput for various gases.
Ordering Information
Details part numbers and configurations for ordering different pump variants.
Centre of Gravity Overview
Lists case sizes, weights, and center of gravity coordinates for pump models.
Pump Fluids
Provides technical data and ordering info for recommended silicone pump fluids.
Transport and Storage Guidelines
Storage Recommendations
Specifies conditions for storing the pump to prevent damage and maintain integrity.
Installation Procedures
Inlet Connection
Guides on connecting the pump's inlet flange to the vacuum system.
Backing Connection
Instructions for connecting the backing pump to the diffusion pump.
Coolant Connection
Details on connecting the water cooling system for proper pump operation.
Electrical Connection
Covers safety and procedural aspects of connecting the pump electrically.
Terminal Box Layouts
Diagrams showing wiring configurations for different voltage supplies in the terminal box.
Thermal Safety Switch
Explains the function and connection of the thermal safety switch for overheat protection.
Connecting Monitoring Components
Describes how to connect optional monitoring devices like coolant fail switches.
Pump Fluid Installation
Instructions for filling the pump with the correct type and quantity of pump fluid.
Pump Operation
Media Compatibility
Specifies gases and conditions the pump is suitable or unsuitable for.
Start-up Procedure
Step-by-step guide for safely starting the diffusion pump.
Operating the Pump
General guidelines and warnings for running the diffusion pump.
Air Inrush Precautions
Safety measures to prevent air ingress into a warm, operating pump.
Regular Checks
Recommended periodic checks to ensure trouble-free pump operation.
Turn Off/Shut Down
Procedures for safely shutting down the diffusion pump.
Disconnect the Pump from the System
Steps for safely removing the pump from the installed system.
Pump Maintenance
Check Pump Fluid Level
Instructions on how to visually check the pump fluid level using the sight glass.
Top-Up Pump Fluid
Procedure for adding pump fluid when the level is low.
Exchange Pump Fluid
Steps for draining and refilling the pump with new fluid.
Clean the Pump
Detailed process for dismantling and cleaning the internal components of the pump.
Clean Cooling Coils
Method for cleaning scale and deposits from the pump's cooling coils.
Replace Heating Cartridges
Guide for safely replacing the pump's heating cartridges.
Waste Disposal Procedures
Disposing of Used Fluid
Guidelines for the correct disposal of used pump fluid and contaminated materials.
Service and Returns
Return Equipment for Service
Instructions for returning equipment for service, including required documentation.
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