General Information
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1.1 Use of the Manual
This installation and maintenance manual is for nVent
RAYCHEM Self-Regulating and Power-Limiting
heat-tracing systems on thermally insulated pipes and
vessels only. This includes nVent RAYCHEM BTV, HBTV,
QTVR, HQTV, XTV, HXTV, KTV, VPL heating cables and
the appropriate RAYCHEM components.
For information regarding other applications, design
assistance or technical support, contact your nVent
representative or nVent directly.
nVent
7433 Harwin Drive
Houston, TX 77036
USA
Tel: +1.800.545.6258
Fax: +1.800.527.5703
[email protected]
nVent.com
Important: For the nVent warranty and agency
approvals to apply, the instructions that are included in
this manual and product packages must be followed.
1.2 Safety Guidelines
The safety and reliability of any heat-tracing
system depends on proper design, installation and
maintenance. Incorrect handling, installation, or
maintenance of any of the system components can
cause underheating or overheating of the pipe or
damage to the heating cable system and may result in
system failure, electric shock or fire.
Pay special attention to the following:
• Important instructions are marked
Important
• Warnings are marked
WARNING
1.3 Electrical Codes
Sections 427 (pipelines and vessels) and 500
(classified locations) of the National Electrical Code
(NEC), and Part 1 of the Canadian Electrical Code,
Sections 18 (hazardous locations) and 62 (Fixed Electric