DREXAN PipeGuard CMH is a self-regulating heater that can be installed in temperatures as low as -40°F/-40°C. It is designed to protect pipes from freezing and can be used in a variety of applications, including:
- Residential and commercial buildings
- Industrial facilities
- Agricultural operations
- Oil and gas pipelines PipeGuard CMH is easy to install and can be cut to length to fit any application. It is also thermostatically controlled, so it will only turn on when needed. This helps to save energy and extend the life of the heater.
DREXAN PipeGuard CMH is a self-regulating heater that can be installed in temperatures as low as -40°F/-40°C. It is designed to protect pipes from freezing and can be used in a variety of applications, including:
- Residential and commercial buildings
- Industrial facilities
- Agricultural operations
- Oil and gas pipelines PipeGuard CMH is easy to install and can be cut to length to fit any application. It is also thermostatically controlled, so it will only turn on when needed. This helps to save energy and extend the life of the heater.
Page 1 of 2
HD131229-1 Rev1
Installation Instructions
CMH-LE-1R / CMH-LE-2R
CMH Lighted End Seal
These installation instructions are only for use with the following
Drexan HeatTracer Self-Regulating heater product:
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 shall be provided to de-energize all normally ungrounded conductors of
electrical heating cable sets, with ground fault settings sufficient to allow normal operation of the heater unless
applicable codes permit otherwise, and 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.
Do not use substitute parts or use electrical tape unless directed. Component approvals and performance
characteristics are based on Drexan specific parts only. Substitution will void warrantee, approvals and performance
claims.
The heating cable core is conductive and can short if not properly insulated and kept dry. Component and heating
cable ends must be kept dry before and during installation. Fire-resistant thermal insulation materials should be used.
Heating cable core bus wires can overheat and short when damaged. When cutting the cable jacket or core do not
break bus wire strands.
The metal sheath of CMH 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 cables are to be thermostatically controlled.
CMH cable may be terminated or spliced in any certified enclosure mounted off heated surface.
APPROVALS
Class I, Div. 2, Groups A, B, C, D
Class II, Div. 2, Groups E, F, G
Class III
231572 120 – 277 Volt
Drexan Energy Systems, Inc.
Kelowna, BC, Canada, V4V 1S5
CMH Lighted End Seal Installation Instructions
CMH-LE-1R/2R
Page 2 of 2
HD131229-1 Rev1
KIT CONTENTS
Enclosure with Pilot Light and Hub
(2) Pipe Straps
Bracket with sealing ring
Installation Instructions
Warning Label
REQUIRED BUT NOT PROVIDED
Materials
CMH-TERM
Equipment
Fine-tooth Hacksaw
Multi-head Screwdriver
Pipe Wrench
CMH Stripping Tool
Electrical Tape
ASSEMBLY INSTRUCTION DETAILS
1. Insert the terminated PipeGuard CMH cable through pipe mount bracket, place the sealing ring washer provided
in the CMH-TERM termination kit) onto the threaded portion of the strain relief and insert into the lighted
Junction Box by way of the Hub.
2. Connect the wires to the base block of the LED terminals.
3. Push conductors into the FG Housing taking care not to kink wires or expose conductors.
4. Install lid on Housing making sure not to pinch conductors.
5. Attach to pipe using pipe straps through the pipe bracket ensuring pipe straps are underneath cable, not over top.
6. Find suitable location and affix Electrical Warning Label.
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DREXAN PipeGuard CMH is a self-regulating heater that can be installed in temperatures as low as -40°F/-40°C. It is designed to protect pipes from freezing and can be used in a variety of applications, including:
- Residential and commercial buildings
- Industrial facilities
- Agricultural operations
- Oil and gas pipelines PipeGuard CMH is easy to install and can be cut to length to fit any application. It is also thermostatically controlled, so it will only turn on when needed. This helps to save energy and extend the life of the heater.
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