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Installation and Maintenance
Instruction Manual
Bourdon tube pressure gauge, model T5500 KF and T6500 KF
for explosion risk areas in European Union pursuant to Directive 2014/34/EU
In the following configuration:
• ###T5500 KF/T6500 KF###I####ATEX bourdon tube pressure gauge with inductive proximity
switches
IM-T5500 KF/ATEX-EN
10/2024
Page 1 of 16
P/N 095I103-02EN
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Table of Contents
Related Manuals for Ashcroft T6500 KF
Summarization of Contents
General remarks
Purpose of this Manual
Explains the manual's intent and user audience for installation, operation, and maintenance.
Symbols
Defines warning and information symbols used throughout the document for safety and operation.
Limits of liability
Outlines liability for improper use or failure to follow safety information and technical data.
Copyright
States terms for copying and distributing the manual without special permission from the publisher.
Warranty
Refers to warranty terms based on Section 6 Guarantee in Respect of Defects.
Manufacturer's address, customer services
Provides contact details for Ashcroft Instruments GmbH for inquiries and services.
Safety
General sources of hazards
Identifies pressure gauges as pressurized parts where failure can result in hazardous situations.
Use in accordance with intended purpose
Specifies intended use and media compatibility for safe operation in potentially explosive atmospheres.
Operator's responsibility
Details operator duties for safe use, maintenance, and hazard prevention in potentially explosive atmospheres.
Staff qualifications (target group assessment)
Defines requirements for personnel performing installation, maintenance, and operation.
Signs/Safety markings
Describes information provided on the device label for identification and safety in hazardous areas.
Safety equipment
Details safety features like blow-out rear cover/disc and laminated safety glass window.
Environmental protection
Mentions optional filling liquids and disposal recommendations for environmental protection.
Use in potentially explosive atmospheres according to Directive 2014/34/EU (ATEX)
Range of use
Defines permissible zones, atmospheres, and ambient conditions for ATEX use.
Special operating conditions for safe use in potentially explosive atmospheres
Outlines specific conditions for safe operation, including static charge, impacts, and ignition hazards.
Construction and function
Overview
Provides a general overview and identification of device components with a numbered diagram.
Description of function
Explains the working principle of the Bourdon tube and pressure transmission to the display.
Description of components
Details individual parts like scale, pointer, connections, and blow-out features.
Accessories
Refers to contacting the manufacturer for information on special sealing materials and accessories.
Assembly/Installation
Preparation
Emphasizes system preparation, shut-off valves, and securing against accidental startup.
Requirements for the installation site
Lists criteria for selecting a suitable installation location and environmental limits.
Process connection
Covers connection types, installation by qualified personnel, and pressure line laying.
Electrical connection
Details electrical connection requirements, regulations, and safety precautions.
Starting up
Guides through initial startup procedures, line checks, and slow valve opening.
Setting the switch point
Explains how to adjust the switch points using the adjustment key and target value indicator.
Contact function
Describes the contact logic for rising indications and contact assignments.
Subsequent relocation of the gauge
Advises on safe relocation procedures, including cleaning the Bourdon tube first.
Servicing
Check on function, and recalibration
Recommends calibration intervals and functional tests for ensuring reliable operation.
Cleaning and maintenance
Provides instructions for cleaning the device with a non-aggressive agent and a damp cloth.
Faults
Jerky or random pointer movement
Possible causes include high vibrations or defective measuring device.
No zero setting of the pointer with pressure less device
Possible causes include overload or operation outside device specification.
Bent or loose pointer
Possible causes include damage from transport or external rough impact.
Cracked window
Possible cause is external influences leading to casing damage.
Leakage with filled device
Possible causes include high solar radiation or operation outside specification.
Leakage with filled device
Possible cause is window option red set hand used out of ambient temperature range.
Case damage
Possible cause is improper handling, requiring installation check.
Signs of leakage of the measuring system
Indicates discoloration of dial or filling liquid, possibly due to media incompatibility.
Inductive switching contact does not operate
Possible causes include defective mechanism due to vibrations or pressure surges.
Removal, disposal
Disassembly
Provides instructions for safely dismantling the device, including handling residual media.
Disposal
Instructs not to dispose with household waste and to use collection points for recycling.
Appendix
Data Sheet Bourdon Tube Pressure Gauge T5500 KF/ T6500 KF
Lists specific documents and data sheets available for the pressure gauge models.
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