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Installation & Owner’s Guide 9
3. Installation Continued
Installing the Mats
Step 6. Install Thermostat Sensor
* if thermostat comes with oor sensor
A floor sensor comes with the recommended thermostat
control. The sensor wire can be installed without a
conduit or in a conduit separate from the electrical
power leads if conduit is required by code. Open a
second knockout in the bottom of the thermostat box.
Feed the sensor (and conduit, if including) through the
knock-out, down the wall cavity, through the opening
in the bottom plate. Temporarily tape the sensor to the
slab or subfloor in a location approximately 6” to 12”
Step 1. Inspect and Test Heating Mats
Verification that the heating mats were received in operable condition is important prior to installation. When the
heating mats are removed from the shipping box, test the resistance using ohm meter and record the information.
If the resistance reading varies more than ±3% from the recorded readings on each mat, do not install the mat
and contact your supplier for assistance. The heating mat’s edge is left unsealed from the factory so that it
can be cut to fit and then sealed for proper moisture proofing. Even if cutting is not needed, sealing the
edge of the mat is still required as it is not pre-sealed out of the box! Familiarize yourself with sealing
the mat’s edge on page 10, step 3. Failing to do this step can result in undesired GFCI tripping and will
void the warranty.
Step 2. Preparing the Stable Sub-floor
Clear the floor of all debris, nails, etc. so the floor is smooth, clean and dry. After confirming the sub-floor is
satisfactory, clean it thoroughly so it is free from any debris and is smooth for the anti-fracture membrane to
completely adhere. There should not be any air bubbles or creases in the mat caused by an unclean or uneven
sub-floor surface. Please refer to Page 3 for proper sub-oor requirements.
from the wall---final location of sensor after mat
installation will be taped down at the edge of or in
between two mats so that the sensor is not directly
above a heating mat. Butt the sensor up against the
side of the mat for best results. NOTE: The sensor is
located in the thermostat packaging.
Step 7. Rough in the Wiring
Install appropriate electrical wire (conductor) from
the power source and breaker protection to the
thermostat following all codes. Leave 6” to 8” extra
wire at the thermostat box.
NOTES:
It is EXTREMELY important to verify the resistance measurements for each mat and to record the readings on the system
checklist (see page 16). If a defective mat is adhered to the floor it can be very difficult to remove it.
The heating product shall not extend beyond the room or area in which it originates.
The heating product is not to be installed in walls. It is very important that the mats be installed ONLY after the sub-floor is
complete and stable. Adhering the mats to an unstable floor can result in damage to the mats and will void the
manufacturer’s warranty.
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