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HEATING MAT INSTALLATION GUIDEHEATING MAT INSTALLATION GUIDEINSTALLATION INSTRUCTIONStep 1Step 2Before installing, draw an installation planshowing the placement of the mats, floorsensor, and Junction-box or boxes. Theheating mats should cover at least 65% - 80%of the floor area of your room to be used asa primary heat source; the more coverage,the less time needed to heat the area.Our heating mats are available in severalconvenient sizes. Choose the combination ofheating mats that best enables you to coverthe recommended 65% - 80% of your room.Plan to use the larger heating mats as muchas possible and to use smaller mats only asgap fillers. Avoid air gaps between the heatingelement and screed. After pouring thescreed, sweep the floor throughly. Thescreed will enter the gaps in the textilemesh and there will be no air voids.Note: The mats are supplied with 16 feet (4meters) of electrical cold leads. If this is notenough, ask your electrician to extend thecold leads. At present thermal insulation boardsmade out of Polyurethane or Polystyreneare suitable because they not onlyincrease the efficiency of all Heat MatSystems but can with-stand sufficient loadfor day-today activities. The board sizevaries from 6mm to 70mm with variedthermal conductivity.Ensure that the sub-floor is solid andsuitable for tiling, free from dust anddebris. Wooden sub-floors should ideallybe reinforced to prevent flexing and thepossibility of tiles dislodging. This can bereinforced using a suitable WBP or Marineplywood or insulated tile-backer boards.Bitumen bases should be covered with asuitable backer board or a 3-5mm levelingcompound.10 Keep current orientation during laying &don’t install over irregular surface. Thermal resistance for the materialsability to resist the transfer of heat fromthe source to the ambient is measuredas a tog value. Depending upon the floorcoverings and their thermal performance,The system will support a tog value of 2.0. DO NOT install the heating mat directlyonto a bitumen base.For anhydrite screeds once primed leaveto dry (typically 1-2 hours). Once primedavoid any excess foot traffic over this area.The purpose of priming is to promotegreater adhesion and reduce the amount ofmoisture absorbed into the sub-floor.ALWAYS CHECK with tile adhesive/levelingcompound manufacturer that the primer issuitable for use with their product/s, pleasecontact our technical help centre if you arein any doubt.Step 3If using Cocoon Warmfloors tile backerboards or XPS premium insulation boards,do so in accordance with the manufacturer’sinstructions, we do advise staggering theboards in a brick bond style and making surethe boards are fixed using suitable flexibleadhesives to solid floors and or mechanicallyfixed to wooden sub-floors @ 300mm usingsuitable screws and washers.Step 4At this point we recommend referring to thetesting procedure, please take time to carrythis out as it is extremely important.11

HEATING MAT INSTALLATION GUIDEHEATING MAT INSTALLATION GUIDEINSTALLATION INSTRUCTIONStep 5Split and U turn as per pictureduring mat installation.The heating element / cable MUST NOToverlap or cross at any point (the heatercables should not be spaced closer than50mm at any point to each other). Adjust thespacing if necessary to ensure all the mat isused up and the floor has an even coverage.Timber screed subfloors1 Finished floor covering, could be ceramic,stone, timber, carpet or vinyl.2 Flexible cement based tile adhesive, whentiling over thermonet, or self levellingcompound when laying a soft floor finish(vinyl, carpet or timber).3 Thermonet (Mat).4 12mm econoboard coated screwed downat 300mm centres.1234125635 Floor boards or chipboard flooring.6 Floor joists.Timber screed subfloors1 Finished floor covering, could be ceramic,stone, timber, carpet or vinyl.2 Flexible, cement based tile adhesive, whentiling over thermonet, or self levellingcompound when laying a soft floor finish(vinyl, carpet or timber). 3 Thermonet(Mat).4 Sand and cement screed.5 Polystyrene insulation.6 Concrete ground slab use of a thermalinsulation board such as econoboard willgreatly reduce heat up times and increasethe efficiency of the system this would beinstalled between points 3 & 4 stable subfloor.1212345613

HEATING MAT INSTALLATION GUIDEHEATING MAT INSTALLATION GUIDEINSTALLATION INSTRUCTIONStep 6Step 8Position the sensor in the black conduitsupplied between two runs of mat andtape into position. The sensor wire can beshortened or lengthened. If you need to cutthe sensor wire you must only cut the endcontaining the wires.Run the power leads from the start of theheating mat cable up to the thermostatposition. If the cable contains a earth braidaround the cold tail this can be unbraided byusing a screwdriver and earth wire yellow /green connected to the main earth supply- If using multiple cables route all powerleads through a conduit from the floor toa junction box and supply the junction boxfrom the thermostat. The earth from thecable can then be connected to the earthterminal in the back box, (shown here) ifusing a plastic box with no terminal then aterminal block can be used.DO NOT cut the end which contains theplastic sensor.The connections to the thermostat cannow be made. The earth from the cablecan then be connected to the earth fromthe incoming supply by using the earthterminal in the back box. If using a plasticbox with no terminal then a suitableterminal block can be used. At this point aninsulation resistance test must be carriedout by a qualified electrician. The rest of thethermostat connections can be made as perthe thermostat manufacturers guidelines.Step7Check the heating mat resistance andinsulation resistance values after laying.Check if these values are consistent with preinstall values. Record values on the warrantycertificate.14Step 9Test the heating mat resistance again usinga multi-meter. An insulation resistance testshould also be carried out to ensure thecable is free from damage.15

HEATING MAT INSTALLATION GUIDEHEATING MAT INSTALLATION GUIDEINSTALLATION INSTRUCTIONStep 10Do’sDon’tsIf possible cover the heating mat cable witha thin layer of suitable latex based levelingcompound (5-6mm). This will help protectthe cables when tiling. You may tile directlyover the cables, however extra care mustbe taken not to dislodge the cables or todamage the cables in anyway. If you areusing a suitable vinyl carpet or engineered/ laminate floor as the final covering thenwe recommend a minimum of 8mmsuitable latex levelling compound to coverthe heating mat/cables to ensure even heatdistribution. Do read through these instructionscarefully before beginning work (includingjoints) is fitted beneath the floor covering Don’t attempt to cut the heating elementat any point. Don’t allow the stress orloose heating mat Do use a multi-meter to test the cable,before, during and after covering Don’t allow excessive foot traffic over thewire before tiling. Do use a Heat Mat thermostat to controlyour system Don’t cut tiles over the heating matelement. Do test the heating mat cable beforetiling. Do be careful not to damage ordislodge the higher tog heating elementduring tiling. Do wait at least 7 days beforeturning on the system. Don’t place any product over the floorcovering that has tog value more than 2.5.You can now lay your flooring accordingto your floor manufacturer’s instructions.Please refer to adhesive manufacturer’sguidelines for drying times before turning onyour heating system, this is usually around7 days. The floor temperature should beincreased gradually by 1-2 degrees per dayover a 2 week period to reduce the risk offorce drying.Use double sided tape to fix the mat on tothe floor.Step 11Tile the floor using a flexible tile adhesiveand grout as per industry standards andmanufacturers conditions. Finally wait atleast 1 week before turning on to allowtime to dry. NOTE the heating may be slowto react at first, especially if installed on anew screed floor or in a new building. Startby setting the floor temperature at approx18 C and build up by 1 C per day until yourdesired temperature is reached. Please seeseparate instructions for connection andoperation of digital thermostat.16 Do ensure the joint between the cold tailsand heating mat element is beneath thetiles. Do ensure that the electric circuitthat supplies electricity to the underfloorheating system is equipped with a 30 mAground fault current interrupter (GFCI) orResidual Current Device (RCD). For wetareas ensure that the electric circuit thatsupplies electricity to the heating systemis equipped with a 5 mA ground faultcurrent interrupter (GFCI) or ResidualCurrent Device (RCD). Do connect all cold wire leads from theheating mats in parallel inside an electricaljunction box or boxes. Do log on to www.cocoonwarmfloors.com to ensure that you are using themost recent instructions Don’t turn on the heating mat/cable whileit is rolled up. Don’t bend the joint between the elementand cold tail Don’t supply power to the heater until thecable has been fully encased and the wettrade has been allowed to fully dry out Do not overlap heating mats. Do not fold the heating mats. Do not walk unnecessarily on the heatingmats. Do not install electrical cables or pipesunder the floor together with the heatingmats. Do not use cellulose insulation. Do not install mats when the roomtemperature is below 23ºF (-5ºC). Do not install underfloor heating matsanywhere except inside buildings. Do not install mats within 1 inch (3 cm) ofany heat conductive building part, such ascold water pipes.17

HEATING MAT INSTALLATION GUIDEHEATING MAT INSTALLATION GUIDEINSTALLATION INSTRUCTIONINSTALLATION STATEMENTDo’sDon’ts Do ensure that the total current neededfor all mats connected in parallel is notmore than 80% of the listed amperagecapacity of the electrical junction boxand its power supply line and breaker(For advice consult your recommendedinstaller / supplier). Do not install mats within 2 inches (5 cm)of one another, 4 inches (10 cm) of anywall, or 6 inches (15 cm) of a fireplace orhot water pipe.The installation statement will contain Date, Installer Name, Project Name, Area/LocationName. Each heating mat label is to be affixed on the installation statement. Do provide individual heating systemsin each room with its own electricaljunction box and control thermostat. Eachthermostat has a maximum capacity of 16amps. If the amount of amps in the roomis greater than 16 amps, use master andslave units, or add a contactor betweenthe mats and the thermostats. Do not connect any other electricalappliance on the same electric circuit orGFCI unit of the heating system. Do not use grout scrapers or utility knivesto clean grout joints or lines as sharp toolsmay damage the heating mat. Clean groutlines with a wet soft sponge or soft toolinstead. Do use insulation under the mats toreduce running costs and warm-up time.Check with your installer to determine theR‐value of the sub floor insulation layer.If there is no insulation, or if the R‐valueof the insulationlayer is lower than 0.57ft2*h* F/Btu (0.1 m2* C/W or 1 Tog), Do take full precautions to avoid anydamage during installation such asdropping sharp/heavy objects ornegligence in concrete pouring or unduestepping. Do keep the heating units at a sufficientgap away from the heat sources/fireplaces.ImportantPlease ensure that the cold tail joint (the joint between the heating cable and flexible supplylead) is fully encapsulated in adhesive or levelling compound underneath the floor coveringPlease ensure that the end joint (the joint at the end of the cable which is black) is also fullyencapsulated in tile adhesive or leveling compound. Both the cold tail joint and end jointMUST NOT be placed into a cut out of insulation or subfloor and just covered with tape, thiscan cause the cable to overheat and eventually fail!18Date:Project Reference:Opening Mat Resistance:After Installation Resistance:Resistance Before Thermostat InstallationStick First Label HereOpening Mat Resistance:After Installation Resistance:Resistance Before Thermostat InstallationStick Second Label HereOpening Mat Resistance:After Installation Resistance:Resistance Before Thermostat InstallationStick Third Label HereOpening Mat Resistance:After Installation Resistance:Resistance Before Thermostat InstallationStick Fourth Label HereMarking Plate CopyThis artwork is only a draft approved by Intertek Semko AB. For different varieties the specifications as shown in themarking plate will change accordingly.Type:FHM TwinArt No:91 160 110 15Watts/Sqm:160Watts/Unit240Ohms/Unit220 Ω, 10/-5% @ 20 deg.C230 V 50Hz (IPX7)Matt Size:0.5 x 3.0 1.5m2Max operating temperature 80 degrees CDo not restrict the thermal emission of the heated floor.Do not fix using any other materials than those recommended.Do not drill through or puncture the finished surface or use sharp tools during installation.Check for Resistance and Continuity before installation.Fill out and sign the boxes below to declare that all the information recorded on this form correlates to the l:Address:Address:Postcode:Part P hone:Signature:Customer Handover ChecklistComplete all mat tests and record results:Take photographs at each stage of the installation:Give customer original proof of purchase:Complete and sign customer handover form:Give customer a completed copy of this form:Important Safety Precautions:Three mat tests are required for the Cocoon mat.Failure to complete this form will void the warranty.Actual tested resistance may differ from those listed. Allow a tolerance of -5Ω to 10Ω of the resistance specified.19

Step 1 Before installing, draw an installation plan showing the placement of the mats, floor sensor, and Junction-box or boxes. The heating mats should cover at least 65% - 80% of the floor area of your room to be used as a primary heat source; the more coverage, the less time needed to heat the area. Our heating mats are available in several