HSUFM_160w_Inst_-_Issue_2342 KB
Contents
1. QUICKSTART gvide UNDERFLOOR HEATING installed n a few simple steps d After cleaning the floor coat the 2 Loosely lay out the lengths of entire base with primer mat purchased separately 3 When happy secure the mats 1 l Secure and bury the return to the floor connectors into the floor D Position and secure the heat probe away from other heat sources Telephone 0117 923 5375 Fax 0117 923 5374 a i nm Lm E Victoria Road Avonmouth Bristol BS11 9DB www heatstore co uk ISSUE 2M 0708 HSUFM Heating Mat Installation Guide UNDERFLOOR HEATING installed in a few simple steps Contents IMPORTANT SAFEGUARDS WHEN USING ANY ELECTRICAL APPLIANCE BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED Do s amp Don ts PLEASE READ ALL INSTRUCTIONS CAREFULLY Technical data and wiring diagrams AND RETAIN FOR FUTURE REFERENCE IF IN ANY DOUBT ABOUT THE INSTALLATION OR USE OF THIS Testing PRODUCT CONSULT A COMPETENT ELECTRICIAN Electrical connections Choosing the correct mats J Do s and Don ts Subtloor Preparation Do Installing mats Thoroughly read this installation guide before starting your project Use a multi meter to test the heater s before during and after Covering system covering Ensure the system is protected by a suitable RCD device 30mA Warranty Ensure that all heating cable and connections are fully encased with Sign off sheet and Vs Edition checklist tile adhes2. 30mm apart whether they are on the heating mat or laid loosely on the floor If you find that you have to lie the cable separated from the mat in rows less than 30mm apart to fit your room STOP as the matting is too big for your area The heating cable can Fig 6 Step 3 5 Y i Fig 7 Step 4 i l Z a i L i 1 nt So not cut or damane He heanng cr 7e2 uneau au adewep 10 NI 0u ap 10 not be cut to shorten itself without destroying it Figure 7 Step 4 The return joint at the end of the heating cable and the connection between the heating cable and the cold tail have to be kept straight and must be laid within the floor area beneath your tiles or chosen floor covering These will have to be chased into the sub floor to ensure they rest at the same height as the top of the heating cable These must not be covered with tape but do have to be fully encased in tile adhesive or a levelling compound Figure 8 Step 5 The floor sensor contained inside the thermostat box should be placed halfway between two runs of the heating element The sensor wire must not cross the heating cable and should be placed approx 400mm into the heated floor space The sensor cable can be extended up to 50m using a twin sheathed high temperature PVC cable and the connection between the two wires must be waterproof and fully insulated The floor sensor should be placed into a length of suitable clos
3. ECTIVE LAYER Fibreglass mesh above the cable VOLTAGE 240V AC 50Hz MAXIMUM LOADING 15W per linear metre IP RATING OF CABLES IPX7 OUTPUT RANGE 160W to 1552W APPROVALS BEAB component approved wire and CE marked WIRE THICKNESS Variable between 2 7mm and 3 2mm CABLE FLEXIBILITY Minimum allowable cable radius 18mm Figure 3 Typical Circuit Diagram Fused Spur Thermostat Heating Element to cold tail joint Floor Sensor Testing Test your heating cable with a multimeter before removing the packaging material to confirm that you have received the product in full working order The Ohm rating for each cable should agree to those in Figure 1 above The black coldtail is double insulated and carries an earth screen silver braid live and neutral wires Exposing the ends of these wires will allow the continuity tests to be carried out with a functional multimeter This test should also be done before during and after tiling Tests e Live to neutral ohms value as listed opposite e Live to earth and neutral to earth both infinity If your tests do not conform to the expected results before during and after tiling please contact Heatstore on 0117 923 5375 Electrical connections All work must comply with current IEE wiring regulations and installations must comply with Part P of the Building Regulations Consult your Local Authority Building Control Department regarding their requirements for
4. Heatstore s contact details in case of any future repairs being required to the system Depth mm heating cables laid at Location of installation diagrams Warranty Heatstore provide a 15 year manufacturers warranty on all underfloor NOTE any specific installation conditions heating cables and mats Heatstore accept no liability either express or implied for any Installation carried out by consequential losses incurred as a result of a heating installation that has Company Name address not been carried out as instructed in this installation guide Installer Signed Electrical work completed by Company Name address Installer Signed FIFTEEN YEAR asd p warranty BEAB C o Y Waste electrical products should not be disposed of with household waste Please recycle where facilities exist Check with your local authority or retailer for recycling advice 14 15
5. aic tiles carpets vinyl and wood coverings require a layer of suitable levelling compound 12mm from base level Whether using flexible levelling compound or tile adhesive to cover your mat you should avoid leaving air pockets around the cable In no circumstances should slabs or tiles be laid with dabs of adhesive they must always be fully bedded in Flexible tile adhesives and grouts used must be suitable for underfloor heating Please refer to the manufacturers instructions to confirm suitability The floor should be grouted with a flexible grout and particular care should be taken not to damage the heating system when cleaning out any grout lines If using flexible tile adhesive a plastic notched trowel should be used to 12 push the adhesive along the cable rather than against it Care should be exercised to prevent damage to or dislodging of the mats Ideally lay carpet or cardboard on top of the exposed cable and use this as a crawl board to avoid damaging the system Although the cable is reinforced it is ideal that the trowel does not make contact with the cable itself If a tile needs to be moved after placement this must be done carefully to avoid damaging the heating cable Never use the heater to dry out the tile adhesive The system must not be turned on until the adhesive grout and or levelling compound is completely dry This would normally take at least seven days but please refer to the appropriate man
6. certification or check with an electrician qualified to issue Part P certification regarding your individual installation The heater s coldtail has to be wired into a thermostat with floor temperature limitation such as Heatstore s 16Amp HSUFMCN thermostat timer Please see the separate user instructions inside your thermostat box for the wiring details of the thermostat Run the coldtail connection and floor sensor cable in separate plastic conduit or trunking from your heated floor to the thermostat position Up to 2 heaters can be wired straight into the thermostat A connection box will be required if installing 3 or more heaters Ensure that multiple heaters are wired in parallel not in series The mains power supply must be protected by a suitable RCD 30mA and up to 4 8kW The thermostat should be connected to the power supply via a suitably rated fused spur or circuit breaker Should the total loading from a combination of heaters exceed the Amperage rating of the thermostat the system will require multiple thermostats or we would recommend the installation of a suitable rated contactor which would allow the heating system to be run through a single thermostat for ease of control If heating a bathroom or a similar room the thermostat should be placed outside of the bathroom on the wall and the floor should be controlled on the floor sensor only The Heatstore HSUFMCN thermostat is IP30 rated If the t
7. e ended conduit 8 12mm diameter so that it can be easily replaced if required When placing the floor sensor avoid areas affected by other heat sources such as hot water pipes and areas that will be covered with furniture at a later date Multiple heaters can be installed in one room but must be connected in parallel they do not join together Up to 2 cables can be wired into the back of the thermostat More than 2 cables will require a connection box If your system exceeds the Amperage rating of your thermostat additional thermostats can be used or you can install a contactor or similar device to allow the heating system to operate safely through a single thermostat for ease of control Test each heater with a multimeter again before covering and if not covering right away protect the heating system by placing cardboard or carpet on top of it and avoid unnecessary traffic within the area Adding tlooring over the system Take care to avoid dropping sharp objects or tiles onto the cable do not stack or cut tiles across the cabled area and wear soft soled shoes if you must walk on it 1 Fig 8 Step 5 Check the resistance and continuity of the heater with a multimeter regularly during installation If the resistance changes or the heater goes to open circuit the cable has been damaged during the installation of the floor covering Levelling compound can be supplied to encapsulate the underfloor heating system Mos
8. ge that has a well insulated concrete base and will have ceramic tile covering You would take the overall area of 9 5m and then deduct any floor fixed units which in this case take up 1m You would then proceed as follows 9 5m 1m 8 5m floor space remaining to heat 8 5m 5 8 07m is the coverage of heating mats you required From Figure 1 on page 4 the ideal mat combination for this area is one 7 0m mat and one 1 0m mat Although 100 floor coverage is achievable we recommend leaving a border of 20mm 50mm around the perimeter of the room as the heating cables should not touch the walls kickboards etc We would recommend planning your installation out before starting to lay your heating mats It is also a good idea to photograph your mat layout before tiling for future reference Sub tloor Preparation This product can be installed directly onto insulated concrete or old tile surfaces wooden floors can be reinforced using 18mm WPB plyboard 10mm insulation boards or suitable tilebacker boards providing that the base is fully secured and level The sub floor should all be of the same construction to ensure the system performs evenly If the floor construction is not uniform you should use 10mm insulation boards or similar to provide a uniform base Heatstore can provide 10mm insulation boards if your sub floor is not correctly insulated The sub floor should be insulated to current building reg
9. hermostat is placed outside the room to be heated or inside a cupboard the thermostat will have to be reprogrammed when first switched on to only monitor the floor sensor that has been placed into the heated floor space If you are unsure how to proceed at any stage of the installation process please contact Heatstore on 0117 923 5375 Choosing the correct combination of mats When using any suitable floor covering including tiles carpet vinyl or wood Please note a levelling compound will be required for use with any floor covering other than tiles and for use with mosaic tiles the system should always be covered with a levelling compound These systems can be laid directly onto wooden or insulated concrete bases They can provide a complete heating system in well insulated areas and a supplementary heating system in most other circumstances Calculating coverage Calculate the total floor area you have in your room in m and then deduct any areas where underfloor heating can not be laid such as any floor fixed furniture including baths shower trays kitchen units central islands etc This will give you your free floor area In normal circumstances we would recommend deducting between 5 and 10 trom the your total free floor space that you wish to heat to give you the square meters of heating mat that you should install For areas above 7m2 we would recommend only deducting 5 Example You wish to heat a well insulated loun
10. ive or levelling compound under the floor covering Install multiple heaters in parallel Release the cable from the mesh to ensure full coverage in awkward areas Ensure that all electrical works conform to Part P of the Building Regulations and current IEE Wiring Regulations Cut shorten cross or join any part of the heating cables Power up the heaters until the cable has been fully encased and the wet trade have been allowed to fully dry out Install the heaters in walls or ceilings under any circumstances Install the floor sensor close to other heat sources such as radiator pipes Spot fix tiles when fixing slabs or large tiles all floor coverings should be fully bedded in when fitting Lay cables closer than 30mm to each other or conductive parts Install mats if the ambient temperature is below 5 C Figure 1 160W m Heating Mat wiring Information and technical specification COVERAGE LENGTH WIDTH WATTAGE 14W m RESISTANCE 10 HSUFM100 1 0m 2 0m 0 5m 160w 3620 HSUFM130 1 3m 2 6m 0 5m 200w 2780 HSUFM200 2 0m 4 0m 0 5m 320w 1830 HSUFM450 4 5m 9 0m 0 5m 720w 800 HSUFM700 7 0m 14 0m 0 5m 1100w 520 HSUFM970 9 7m 19 4m 0 5m 1500w 370 Figure 2 Technical Data and materials HEATING ELEMENT Teflon insulated resistance wires OUTER INSULATION PVC tested up to 90 C ELECTRICAL INSULATION 100 aluminium earth shield and tinned copper screen PROT
11. n 90mm apart and when secured the cable is then covered with 12mm of flexible levelling compound that is available from Heatstore Installing the 160w m Heating Mat System Test each mat with a multi meter before unpacking to ensure your have received your product in full working order See page 5 for testing instructions Draw a plan of how you intend to fit your mat s Figure 5 Step 2 Roll out your mat onto your floor Cut across the fibre glass mesh when you reach an obstruction carefully avoiding the heating cable you can then rotate the mat through 180 and start laying it in the opposite direction In awkward areas the heating cable can be removed from the fibre glass mesh and laid loosely to ensure the heating system fits your room When doing this try to keep the spacing between the cables similar to that on your mat to maintain an even output across the floor area and never let the cables touch or cross The cables should be secured to the floor with double sided tape or a hot glue gun Figure 6 Step 3 Once in position remove the backing from the adhesive tape attached to the underside of your mat s and secure to your base Any loose cable or mesh can be secured by using a hot glue gun or masking tape Try to avoid air pockets if taping by pinching the tape tight around the cable Multiple heaters are laid in the same way and they do not join together they have to be laid in parallel The cables should never be less than
12. the flooring 13 CAUTION 240V AC Electric 100 earthed underfloor heating has been installed In Wiring and 17th Edition intormation This completed installation guide must be left with the installer s labelled wiring diagram heater plan and thermostat user manual to help satisfy the requirements of the 17th Edition IEE Wiring Regulations section 753 All these items should be kept together and fixed near the relevant distribution board DO NOT reduce the area of the heated floor or cover with high density thermal material In addition to the details contained within this instruction manual it is also DO NOT pierce the floor above the system with nails screws or other the installer s obligation under the 17th Edition to provide the following fastenings information to be left at the distribution board TAKE CARE when replacing or changing floor covering Details of the depth the heating system is laid beneath the floor covering Date when heating mat s installed A location diagram confirming where the heating units are laid and their oe Purchased at Town individual power rating Details of any conditions that were taken into account when installing the prone OE even system such as heating free areas areas left unheated for future Tests Resistance Rating PASSED Insulation Test PASSED penetrative fixings and other heat sources Total Wattage of system
13. ufacturers instructions for confirmation Test the resistance and continuity of the heating mats individually to confirm they are undamaged after covering Wiring can now be completed but no power should be applied to the system until the adhesive grout and or levelling compound is completely dry Please refer to manufacturers recommendations for details of drying times Please ensure that thermal blocking is avoided when the system Is in use This occurs when the heat produced is trapped and has no way of escaping from the surface of the floor This can cause the system to overheat in the thermally blocked area and can in extreme cases have adverse effects on the heating system and of the floor covering Thermal blocking can be caused by placing items onto the heated floor surtace that act as efficient insulators and do not allow heat through such as rubber backed rugs bean bags flat bottomed furniture or similar equipment Furniture should have an air gap not including legs of a minimum of 10mm to avoid thermal blocking Thermal blocking is not usually a problem within floors where the system has been covered with levelling compound or tile adhesive and tiles but you should be aware of the potential problems it can cause Avoiding thermal blocking and ensuring that any remedial work carried out at a later date does not damage the underfloor heating system will ensure that your system works to its full capacity for the lifetime of
14. ulations and as insulation improves the performance and efficiency of the system the running cost will be reduced If there is little or no insulation within the sub floor we would recommend using a suitable layer of insulation If using insulation boards the boards should be fixed to manufacturer s recommendations fixed to concrete using flexible tile adhesive or fixed over wood using galvanised screws with washers When the sub floor is fully secured and level fitting of the heating system can commence Suitable carpets vinyl mosaic tile and floating wooden floor coverings can be installed above this product providing that the cables are laid no closer than 90mm apart when secured and the heaters are then covered with 12mm of flexible levelling compound that we can also supply The sub floor will also need to be sealed Fig 4 Step 1 Figure 4 Step 1 Apply the primer purchased separately evenly across the whole floor surface that will be heated This product can prevent up to 20 heat loss through the subfloor and although less effective than insulation boards it does not significantly add to the build height of the system Provide adequate ventilation when applying the primer and avoid walking over it whilst it is drying this should take no more than 2 hours Suitable carpets vinyl mosaic tile and floating wooden floor coverings can be installed above this product providing that the cables are laid no closer tha
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