1. The surface of the floor onto which the Mat is to be installed must be clean and flat. Ensure that there are no depressions or sharp protrusions. If installing onto a concrete floor, ensure that it is fully dry with a moisture content of less than 2% (approx. 60% relative humidity).
2. Roll out the underlay and cut to the required length. Do not use an alternative underlay with a metallic foil coating. Leave a gap of about 20mm between each length of underlay and around the edges next to walls to accommodate cables. The underlay can be held in position and restrained from curling up with small pieces of duct tape.
3. The Mat strips will have been supplied to the required widths and cut to the lengths as per the customer's requirements. Each mat will have an identifying label to match the prepared room layout graphic. Care must be taken not to damage the Mat by standing on it during installation.
4. The cables now need to be connected between the Mats and the controller. Each group of mats strips should be connected in parallel. The connections to each strip must be diagonally opposed. Plan where the connections are going to be made and the cable routes back to the controller. See the Figure 1. from above.
5. Strip the insulation from the end of the cable back by approximately 10mm exposing the stranded conductors. Twist the conductors to prevent them from splaying. The cable socket of the eyelet connectors are sized to accept two cables, if only one cable is to be inserted, strip the insulation back further and fold it over.
6.With the cable(s) firmly inserted into the socket of the eyelet connector, use crimping pliers to permanently secure the joint.
Tip: Test the security of the connections by gently pulling on the cables!
7. The joint can now be encased within the plastic insulation cover. Use the cable-grip strap within the bottom cover to firmly fix it in place. The cover should be pushed up to the edge of the Mat while tightening the two screws. Now the top cover can be 'snapped' into place by placing it over the barbed pegs and pushing down firmly.
8. The opposite bare copper strip can now be covered with insulating tape. See Figure 2.
9.Cut out pockets in the underlay that will accept the plastic insulation covers and allow them to reduce their overall height. Figure 3.
10. When all of the cable interconnections have been completed, route the Live and Neutral cables back to the controller. Before connecting into the controller terminals, measure the resistance through the complete assembly and record the result.
11. There are two temperature sensors that also need to be connected into the controller. One is to measure the operating temperature of the mat and the other is a safety 'over temperature' sensor. The heads of these sensors should be located under a mat at different positions with pockets cut out of the underlay to allow them to sit low enough to avoid any damage. Position the sensing heads below one of the carbon cross strips of the mats. The sensing head and tail can be secured with small pieces of insulation tape. The red lines shown in Figure 1 are connections to the sensors but their location is not critical to the installation.