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1. GENERAL INFORMATION
1.1 Use of the Manual
This manual covers the installation procedures, testing, and maintenance for nVent RAYCHEM WinterGard Mesh Snow Melting Systems,
accessories, and controls for surface snow melting in concrete, asphalt, and sand or limestone screenings under paving stones*.
This manual assumes that a proper snow melting or anti-icing design has been completed according to nVent's recommendations. Only the
applications described in this manual are approved by nVent for nVent RAYCHEM WinterGard Mesh Surface Snow Melting Systems and only
when used with approved accessories.
The instructions in this manual and the installation instructions included with the control systems, power distribution systems, and
accessories must be followed for the nVent warranty to apply.
For design assistance, technical support, or information regarding other applications not shown here, please 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
thermal.info@nVent.com
nVent.com/RAYCHEM
Important: For the nVent warranty and agency approvals to apply, the instructions that are included in this manual and product packages
must be followed.
*Special permission for paver snow melting is required from the Authority Having Jurisdiction.
1.2 WinterGard Mesh Applications
Surface Snow Melting: Surface snow melting systems prevent the accumulation of snow on ramps, slabs and driveways under typical snow
conditions.
Anti-Icing: Anti-icing systems keep the surface temperature above freezing to prevent ice formation.
1.3 Safety Guidelines
As with any electrical equipment, the safety and reliability of any system depends on the quality of the products selected and the manner
in which they are installed and maintained. Incorrect design, handling, installation, or maintenance of any of the system components could
damage the Surface Snow Melting System and may result in inadequate snow melting, electric shock, or fire. To minimize these risks and to
ensure that the system performs reliably, read and carefully follow the information, warnings, and instructions in this guide.
Pay special attention to the following:
•
Important instructions are marked
•
Warnings are marked
WARNING
1.4 Electrical Codes
Article 426 of the National Electrical Code (NEC) and Section 62 of the Canadian Electrical Code (CEC) govern the installation of fixed
outdoor surface snow melting and de-icing systems. All installations must be in compliance with these and any other applicable national
and local codes.
1.5 Approvals
WinterGard Mesh systems are approved for use in nonhazardous areas only.
Important
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nVent.com/RAYCHEM
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