Table of content
Design Guide 1
Self-regulating trace heating systems for hazardous / industrial
applications 1
Overview 2
Applications 3
Certifications / Approvals / Marking 3
Safety 3
Intended use 3
Specific Conditions of Use 4
Foreseeable Misuse 4
Personal Qualification 4
Applicability 5
Technical data 6
Self-regulating trace heating system 6
Trace heater 6
Trace heater Installation Enclosure as Power Box kit 7
Trace heater Installation Enclosure as End of Line Light kit and
End of Line Seal kit 8
System design 9
Trace heater selection 9
Determination of the required trace heater length 16
Determination of the required number of heating circuits 17
Selection of the required components for power connection,
control and monitoring, end termination etc. 19
Trace heaters 25
Power connection, splice and junction components 26
Control and monitoring units 27
End termination 28
Spare parts 29
Installation self-regulating trace heaters on pipes and vessels 30
Preparation 30
Required tools / equipment 30
Unrolling the trace heater 30
Installation on pipes 30
Fastening 31
Trace heater routing 31
Installation on tanks and vessels 33
Tests and commissioning 36
Measurement of the insulation resistance 36
Acceptance test and acceptance test report 37
Commissioning 37
Operation 37
System documentation 37
Maintenance 38
Visual and functional inspection 38
Electrical inspection 38
Inspection intervals 38
Personnel training courses 38
Repairwork on piping or thermal insulation 38
Disposal and Recycling 38
Disposal 38
The appliance must be disposed of in accordance with local laws
and regulations according to its components. 38
Checklist customized entry port 39
Acceptance report / Record of inspection 40
Troubleshooting 41
Limited Product warranty (Worldwide, excepting North
America) 42
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