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Chromalox SRL - User Manual

Chromalox SRL
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Installation Instructions
Industrial Heating Cable
Products
PJ438-26
161-057884-010
May, 2021

Questions and Answers

  • A
    Angela GuerreroNov 3, 2025
    Why does the circuit breaker trip when using Chromalox SRL Cables and connectors?
    • R
      Ricardo JohnsonNov 3, 2025
      A circuit breaker might trip for several reasons. It could be due to an undersized circuit breaker (in which case you should check the design to ensure startup temperature, current loads, and maximum circuit length are not exceeded, and that the power wire size is compatible with the circuit breaker, and replace the circuit breaker if necessary), too low startup temperature (start up when temperature is higher than -76?F (-60?C)), damaged heating cable (replace damaged cable using the proper connection kits), bus wires touching and shorting out (check for proper termination at end seal and note that the heating cable could be permanently damaged and may need to be replaced), moisture (excessive moisture on heating cable core or bus wires means: replace cable), or an undersized GFPD (replac...
  • J
    John QuinnNov 16, 2025
    How to troubleshoot low pipe temperature with Chromalox SRL Cables and connectors?
    • A
      Amy WashingtonNov 16, 2025
      Low pipe temperature can be caused by several factors: Incorrect installation of thermostat/thermocouple (reinstall thermostat on an appropriate pipe segment, ensure thermocouple is fully contacting the pipe), damaged, missing, or wet insulation (remove damaged or wet insulation and install new, dry insulation, ensure new insulation is weatherproofed), improper installation of heating cable on heat sinks (additional heating cable can be added, as long as the proper connection kits are used, and the new heating cable length does not exceed the maximum circuit length), error in thermal design, incorrect voltage applied or damaged heating cable (apply voltage as specified, check/repair electrical supply lines, replace damaged cable, check pipe temperature and cable power output), incorrect ci...

Summary

Important Safeguards and Warnings

System Components

Chromalox Cable Types

General Information

Use of Manual

Guidance on how to interpret and utilize this installation manual for heating cables.

Storage

Procedures for proper storage of heating cables to maintain product integrity and prevent damage.

Important Installation Notes

Key considerations and crucial best practices to review before commencing any heating cable installation.

Installation

Pre-Installation Guidelines

Essential steps and checks to perform prior to the actual installation of heating cables and accessories.

Installation Guide: Single Run of Cable

Installation Guide: Multiple Cable Runs

Installing Backup (Redundant) Systems

Detailed steps for installing a secondary heating cable circuit to ensure system redundancy.

Supplementary Instructions: ATEX and IECEx Applications

Other Installation Considerations

Pipe Hanger

Ensuring correct installation around pipe hangers to prevent damage to the heating cable.

Bending the Heating Cable

Adhering to specified bending radii and planes to avoid damaging the heating cable.

Slab Penetrations

Safe installation methods for heating cables passing through concrete floors or walls.

Heat Sinks

Proper techniques for installing heating cable on heat sinks for optimal thermal transfer.

Typical Installation Detail

Wiring

Accessories

Guidelines for selecting and installing appropriate wiring accessories for heating cable systems.

Controls

Information on wiring temperature controls and related components for heating cable circuits.

Installation Testing

Heating Cable Components

Connection Kits

Overview of various connection kits available for heating cables, detailing their uses.

Accessories

Control Systems

Ambient Sensing

Explanation of ambient sensing control systems for managing heating cable activation based on air temperature.

Line Sensing

Controllers

Thermal Insulation

Commission Testing

For systems controlled by ambient sensing thermostats

Specific testing procedures for systems utilizing ambient sensing thermostats.

For systems controlled by line sensing thermostats

Specific testing procedures for systems utilizing line sensing thermostats.

For redundant systems

Commissioning methodology for heating cable systems configured with redundancy.

Specifications

Troubleshooting

Test Procedures

Locating Faults Methods

Techniques for identifying the precise location of faults within heating cables.

Electrical Performance Tests

Procedures for testing insulation resistance, stabilized current, and end-of-line voltage.

Installation and Maintenance Log

Chromalox SRL Specifications

General IconGeneral
BrandChromalox
ModelSRL
CategoryCables and connectors
LanguageEnglish