Modernise existing heat tracing systems
Upgrade Existing Systems
New process conditions, ageing controls or changed pipe routes can require a system upgrade. Pro Therm assesses the existing installation and plans targeted modifications. Reuse and replacement decisions follow technical suitability, condition and project objectives.
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Reassess the revised heating duty
A change in maintenance temperature, insulation or pipe length can affect output and permissible temperatures. Starting conditions and the available supply are also reassessed. A previously functioning arrangement is not automatically retained when the process imposes new requirements.
Standards reference (checked 14 October 2026): IEC/IEEE 62395-2:2024 addresses system design, installation, maintenance and repair outside hazardous areas. DIN EN 62395-2:2014-12 remains the current German national edition. Record the agreed edition in the project documentation.
Reuse suitable components
A complete replacement is not always necessary. Reuse nevertheless requires suitable technical data, adequate condition and appropriate interfaces. With mixed products, connection and system compatibility are assessed. Manufacturer independence allows open selection, rather than universal interchangeability.
Standards reference (checked 14 October 2026): Equipment repair is distinct from installation inspection. Within their respective scopes, IEC 60079-19:2025 and the current German DIN EN IEC 60079-19:2021-07 address repair of Ex equipment. Permitted procedures, competence and manufacturer documentation are assessed for the actual device.
Improve controls and alarms
Ageing controllers can be replaced by suitable alternatives where sensors, supply and output functions are compatible. Setpoints, alarm limits and plant control signals are clearly defined. The upgraded operation should be understandable to staff and match the actual operating conditions.
Coordinate modifications with operations
Access, outage windows and the sequence of removal, installation and insulation affect execution. Pro Therm coordinates the agreed scope with the operator and other trades. Its own teams can implement electric heat tracing modifications on site, including international projects.
We can offer required insulation work with partner companies. Where cabling between our control panels and the power-feed and control boxes needs modification, we can undertake that work if cable routes are already available. Existing conditions, usable routes and connection boundaries are agreed before the retrofit.
Document the upgraded arrangement
After modification, circuit schedules, identification, electrical information and agreed test records are aligned with the new arrangement. Changed setpoints and components remain identifiable. This supports future maintenance and avoids selecting replacements from obsolete information.
Standards reference (checked 14 October 2026): IEC 60364-6:2016, including its 2017 corrigendum, provides the international installation-verification reference. For initial verification in Germany, DIN VDE 0100-600:2017-06 applies. Product testing, installation verification and thermal operating evidence are documented separately.