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HD140401-1 Rev 2
Part No. DREX0074
Installation Instructions
CMH-CON
CMH
- Connect
These installation instructions are only for use with the following
Drexan HeatTracer Self-Regulating heater products: PipeGuard® CMH
This kit may be installed in temperatures as low as -40°F/-40°C.
WARNING
: This is an electrical device and in order to ensure proper operation and prevent shock or fire it must
be installed correctly. Read these important warnings. Follow all installation instructions.
CAUTION
: Ground-fault equipment protection must be used to minimize the danger of fire from sustained electrical
arcing if the heating cable is damaged or improperly installed and to comply with Drexan requirements, agency
certifications and national electrical codes. Conventional circuit breakers may not stop arcing. The metal sheath of
CMH heating cable shall be grounded, but shall not be used as the grounding means.
Metallic structures or materials such as metal pipes used to support CMH cable shall be grounded.
CMH Cable is not to cross or come in contact with itself.
CMH heating cables are to be thermostatically controlled.
Component approvals and performance characteristics are based on Drexan specific parts only.
Substitution will void approvals and performance claims.
Component and heating cable ends must be kept dry before and during installation.
Fire resistant thermal insulation should be used.
CMH cable may be terminated or spliced in any certified enclosure mounted off the heated surface.
APPROVALS
Class I, Div. 1/2, Groups A, B, C, D
Class II, Div. 1/2, Groups E, F, G
Class III
231572
120 – 277 Volt. 30 W/ft. max., Maximum withstand temperature 450˚C power off
Drexan Energy Systems, Inc.
Kelowna, BC, Canada, V4V 1S5