Foil Heating System Installation

Step 1
Before installing, draw an installation plan showing the placement of the mats, floor sensor, and junction box or boxes. The Warmup Foil heating system should cover at least 80-90% of the floor area of your room to be used as a primary heat source.
Step 2
The Foil heaters may be installed over any subfloor that is approved for carpet or laminate applications, including plywood, backer board and concrete slabs. The Foil heaters CANNOT be installed directly over those surfaces, so a padding or underlayment as provided with your carpet or floating wood floor installation must be laid down first. Carefully inspect the subfloor and make sure it is clean, free of sharp edges, nails and any other materials that may damage the heating system.
Step 3
Remove the Warmup Foil heating system from the packaging, unroll it completely flat and place it in the required position on top of the underpad. Keep the heater at least 10” (25cm) from the edges of the room. When fitting more than one Warmup® foil heating mat in a room, the heating mats must not overlap, as overheating will result. Cut a 1/2” (10mm) wide channel in the underpad and place the supply cord into this channel.
Step 4
The floor sensor is used for temperature regulation of the floor surface. Tape the sensor down with masking or box tape, positioning it in-between element wires on the heating system. The sensor tip must not be placed directly under or onto an element wire. This is to ensure that the average heating temperature is measured and not the temperature of the heating element. Run the sensor cable off the heater and back to the thermostat in the same channel as the power supply cords.
Step 5
Switch off the Foil heater and disconnect the thermostat from the supply when fitting the carpet or laminate flooring. Take care not to damage the heating systems when fitting the carpet or laminate flooring and do not drive nails or screws into the floor or cut the floor planks on top of the heater. Be careful not to pinch the Foil heaters when using blocks to hammer the laminate in place.
Step 6
Once the flooring has been installed, connect the thermostat ensuring that it is set to reach a maximum temperature of 81°F (27°C). We recommend that the connection of the thermostat is completed by a qualified electrician.
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