Devex systems MG-150 is a thin electric heating mat designed for both wet and dry installations. Ideal for use under tiles in residential, commercial, and industrial environments, it provides a comfortable and energy-efficient heating solution.
Devex systems MG-150 is a thin electric heating mat designed for both wet and dry installations. Ideal for use under tiles in residential, commercial, and industrial environments, it provides a comfortable and energy-efficient heating solution.
KEY POINTS
Determine the location of the thermostat and power supply.
Ensure adequate power capacity and connection to RCD protection.
Contactors are required for any individual zone over 12Amp.
The supplied 10mm OD flexible conduit should be used for the thermostat sensor probe, and placed inside a
rigid 20mm conduit. A separate 20mm conduit is required for each cold tail.
The entire heating element must be embedded in tile adhesive or a thin levelling bed, being sure to avoid air-
pockets. Thermal insulation is recommended under the mats.
The heating element must not be cut or shortened, however, their cold tails may be cut or extended. The
cold tail termination to the heating elements must be embedded in the floor.
All heating mats are to be installed under the supervision of a licensed electrician, and must be RCD
protected. The outer screen of each heating element must be earthed.
The switchboard / distribution board must clearly identify the floor heating installation location and detail.
Failure to comply with the full installation guide will void the warranty.
The following reference for is WET and DRY installs. This details the
recommended conduit installation method, and typical installation for
Xmat MG-150 with a single cold tail.
TM
Thin Electric Heating Mat (c/w Single Cold Tail)
INSTALLATION
INSTXMAT100.2
TM
G
ELECTRICAL REQUIREMENTS
PLAN VIEW Looking down onto the floor SECTION VIEW Looking from the side
Stud wall
Thermostat
Sweeping bend for sensor
conduit (min 100mm radius)
Sensor probe 10mm flexible conduit
chased into floor surface
(Note: Cold-Tail Terminations
should also be chased into the floor)
20mm
cold tail
conduit
20mm
sensor
conduit
Stud wall
20mm
cold tail
conduit
20mm
sensor
conduit
Sensor probe
10mm flexible
conduit
300mm
recommended
Heating
cable
20
Xmat heating system
Xmat heating mat
Thermostat (with floor sensor)
Sensor flexible conduit (10mm)
STEP-BY-STEP GUIDE
1800 636 091
Read the installation guide supplied with the heating mats and thermostats for any specific requirements
relating to your installation.
The heating cables must be securely attached to the floor before applying tile adhesive or levelling beds so
that the cable cannot lift or vary its spacing. Air pockets around the cables must be prevented.
The heating mat must never touch or cross over each other or failure is likely.
Not complying with the full guide will void the warranty.
Please contact Devex Systems (phone 1800 636 091) if unsure of any aspect of the installation.
Step 1
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Step 4
Step 5
Step 6
Step 7
Step 8
Step 9 Step 3
Devex Systems specialises in heating solutions for new or existing
buildings in residential, commercial and industrial environments.
For more information on any of our product lines please contact us at:
1800 636 091 or info@devexsystems.com.au
www.devexsystems.com.au
IMPORTANT NOTES
Draw a plan showing the actual heated area,
heating mat, cold tail location, floor sensor
position, thermostat and connection box (if
any).
Clean and vacuum the floor. Install sensor
conduit (10mm OD) into the groove. Tape the
end to avoid glue ingress. Prime floor
surface with Ardex Multiprime* or similar.
Layout the Xmat being sure to avoid all
obstacles and fixtures. Minimum spacing of
50mm between any two heating elements.
* References to specific brands of tile adhesives and levelling compounds are offered as recommendations only.
Tiling trade professionals are encouraged to seek advice from their preferred adhesive manufacturers in relation to
product selection and suitability over floor heating systems.
Check the heating mat cable resistance and
its insulation resistance values. Roll out the
mat onto the floor from the thermostat
position, sticky side down.
Lay out entirety of the mat noting that the
heating cable cannot be shortened. Check
the cable resistance and insulation values
again before applying leveller. Photograph
installation and meter readings. Note that
the cold-tail termination(s) must be
embedded in the floor.
Coat Xmat with Ardex* leveller (2 part) or
similar. Allow to dry and prime leveller with
Ardex multi-prime*. Waterproof with Ardex
WRM155* & STB tape accordingly. Allow to
dry. Fix tiles with Ardex X18* or X68* (or
similar). Reconfirm cable resistance and
insulation values.
The mesh mat can be cut to go around fixtures
and to cover the floor area to be heated. DO
NOT CUT the heating element.
Glue appropriate thermal insulation onto the
sub-floor (e.g. F-Board) in accordance with the
product installation specifications. Allow glue to
dry (min. 24 hours). Cut a groove for the sensor
and terminations, ensuring the sensor extends
a minimum of 30cm into the heated area.
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Devex systems MG-150 is a thin electric heating mat designed for both wet and dry installations. Ideal for use under tiles in residential, commercial, and industrial environments, it provides a comfortable and energy-efficient heating solution.
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