05 2013 AHT Installation Manual 2013 EN_copertina
Contents
1. on top of the heating mat The electrical wire of the grounding net should coincide with the heating mat cold lead If necessary tape the grounding net to the heating mats to ensure that the net does not move b Route the electrical wire of the grounding net to the same electrical junction box as the cold leads of the heating mats c Inthe electrical junction box connect the electrical wires of the grounding to the ground lead green yellow of the power supply of the house In parallel feed the cold leads of each mat to the electrical junction box Make sure that you can see the sticker with the numbers of the leads If necessary shorten the leads but make sure the sticker with the leads numbers are affixed to the shortened lead 9 Expose the conductor in each lead 10 Connect all leads of the same colour 11 Insert each coloured lead to one connector in the junction box 12 Connect the same colour cold lead between the thermostat and the connector in the junction box 1 Blue wire coming from the thermostat in an electric conduit 2 Brown wire coming from the thermostat in an electric conduit 3 Brown cold leads coming from the heating mats 4 Floor sensor wire coming from the thermostat in an electric conduit 5 Blue cold leads coming from the heating mats 13 Connect the2. wires to the control thermostat according to the Typical Wiring Diagram on page 13 14 Switch on the heating system see the directions in your thermostat manual for half an hour to ensure that the system is working properly It is important to check each entire system to ensure each mat is heating 15 Switch off the heating system see the directions in your thermostat manual 16 When the mats are cool lay down your floor covering If you are installing a glued type of floor covering carpet wood vinyl or linoleum first cover the mats with at least 1 4 inch 6mm self leveling flooring cement You can also use similar materials like Latex based self leveling compound as long as they have the same or better Thermal conductivity as the self leveling flooring cement Consult your local construction material dealer regarding the right material for your type of floor If you are installing a glued type of floor covering or using thin set or grout or tile adhesive do not switch on the heatin system again until the glue thin set or grout or tile adhesive is dry Consult the manufacturer of the material used to determine the amount of drying time needed nstallation Examole Installation Examples Under glued type carpet wood vinyl or linoleum in dry surroundings aD Carpet wood vinyl or linoleum with adhesive 2 Self leveling flooring cement or latex compound of at least 1 4 inch 6mm thickness 8 He
3. 618 AT101E6_ 1136005 0 5 60 300 471 204 107 123 Note Power is calculated based on an average 230 Volts Advanced Heating Australia Pty Ltd 337 Swan Street Richmond VIC 3121 Tel 03 9429 1211 Fax 03 9429 2662 email info aht heating com au web www aht heating com au
4. AHT HEATING AUSTRALIA PTY LTD ACN 163 976 841 Installation Gu Advanced Heating Technologies Ltd ide C LT lt I M D O 55 AMORPHOUS METAL RIBBON TECHNOLOGY 518 Ah Dear AHT Customer Thank you for choosing the AHT underfloor heating system It is designed to be simple to install and cost efficient to operate This guide provides the information you need for a successful installation Please follow all instructions carefully for the best possible installation results and for the long term effectiveness of the product We wish you years of safe comfortable cost efficient heating Table of Contents Important 3 4 Getting Started 5 6 step 1 Planning Your Installation 6 otep 2 Laying Out Your Heating Mats 8 Step 3 Making the Electrical Connections 9 10 11 Installation Examples 12 13 Typical Wiring Diagram 14 List of Recommended Materials 15 Standard sizes of heating mats and their values 16 Important Please read carefully before installing your AHT underfloor heating mats Do not Do not e Do not e Do not e Do not Do not Do not Do not Do not Do not Do not Do not Do not Do not Do not Do not e Do not e Do not The heating unit is not to be installed on irregular surfaces cut parts Ribbon of the AHT heating mats in order to change the mat size Espec
5. at could possibly affect proper temperature readings The suggested placement is 1 5 m 5 feet above floor level In bathrooms only use a thermostat with only a floor temperature safety sensor You can use the same kind of thermostat for other wet areas such as kitchen but it is not a must For all other installations use a thermostat with both an ambient air temperature sensor and floor temperature safety sensor See page 14 for a list of recommended thermostats in your country 3 Install an electric conduit to the junction box and thermostat as in the following diagram 4 7 Connect the floor temperature safety sensor to the thermostat through a conduit and install between two heating ribbons at least 50 cm 20 inches from the wall Make sure that the sensor does not touch any of the heating ribbons Measure the resistance of the heating system and record the value Verify that the values you measure are in line with the resistance value that is printed on the specific mat nameplate Measure the insulation values with a Megger tester and record the value Make sure there is no insulation problem If you are installing the heating mats in wet areas Wet areas include saunas bathrooms and kitchen areas within 50 cm 20 inches of sinks or any metallic kitchen appliance a Spread the grounding net
6. ating mat 4 Hard or soft insulation material 5 Floor slab wood or concrete Under floating type wood laminate parquet flooring in dry surroundings aD Wood laminate parquet without adhesive 2 Heating mat 8 Soft insulation material 4 Floor slab wood or concrete Under tiles in dry surroundings D Tiles 2 Thin set Grout Tile adhesive 3 Heating mat 4 Hard insulation material 5 Floor slab wood or concrete Under tiles in wet surroundings 1 Tiles 2 Thin set Grout Tile adhesive 3 Grounding net 4 Heating mat 5 Hard insulation material 6 Floor slab wood or concrete Installation Examples Under non glued type carpet without adhesive 1 Carpet without adhesive 2 Underlay 3 Heating mat 4 Soft insulation material 5 Floor slab wood or concrete Remarks In wet surroundings ensure the heating mat has grounding net installed directly above it be protected against corrosion but not electrically insulated fully cover the heating units including the fixing areas It may cover several heating units be fitted with terminals suitable for the connection of two conductors each having a nominal cross sectional area of 2 5mm Please check local building codes and regulations and act accordingly to them if they contradict the instructions above Do not use carpet underlay with more than 0 8 Tog Use Hessian backed carpet with a lo
7. g the heating mats under e STONE TYPE AND GLUED TYPE FLOORS Under stone type and glued type floors Carpet wood vinyl or linoleum with adhesive use a flexible tile adhesive to secure a hard insulation material on top of the floor base See page 15 for a list of recommended hard insulation materials such as bathrooms kitchens saunas etc e ALL OTHER FLOORING TYPES Use a soft insulating material which can simply be placed on the floor or secured with tape or carpet adhesive See page 14 for a list of recommended soft insulation materials Clean all debris from the surface of the grout or insulating material Roll out heating mats on top of the insulating material with the heating ribbon facing down and the fiberglass net facing up It is recommended to leave a gap of about 10 cm 4 inches from the wall to the heating mats and a gap of about 5 cm 2 inches between each mat ribbon to ribbon Ensure that each heating mat is completely flat Make sure that the cold leads of the mats are on the side of the mat that is closest to the location of the electrical junction box See step 3 Making the Electrical Connection equal distance between heating ribbons 5 Your mats have double sided adhesive tape on the mat edges Stretch the mats and secure the mats to the floor with the tape Where required additional tape can be used Apply glue between the heating wires Apply only on the fiberglass net do not glue the heating
8. ial You can also use at least 6 mm thick 1 4 inch Marmox or similar construction boards See page 5 for hard insulation material recommendation For other insulation material please consult with your local construction material dealer Recommended Soft Insulation Material When soft insulation material needed you can use plastic foam layer The Compressive strength and Thermal conductivity of this material are in line with the recommendations for soft insulation material See page 5 for soft insulation material recommendation For other insulation material please consult with your local construction material dealer Standard sizes of heating mats and their values Standard sizes of heating mats and their values 220 240 Volts 120 watts per sqm family Area Nominal power Nominal current Resistance AT101E0 1121505 534 619 123 386 471 ATIOTE2 1123005 270 330 i 1 1 4 1124005 0 5 ao 200 264 1 1 5 1125005 0 5 50 250 305 _ TEG 300 354 141 165 oi2ai2a 01 01 0 3 123 O o 143 165 AT101E8 1124010 1 0 4 0 4 00 440 zi 24 e 183 220 25 250 305 161 191 141 165 105 121 9 2 3 3 2 3 64 05 54 386 471 6 05 mk 1 5 O 220 240 Volts 150 watts per sqm family Ar Nominal power Nominal current Resistan AT101EO 1131205 5 12 060 99 040 534
9. ially DO NOT cut meter wide mats in two pieces overlap heating mats fold or wrinkle AHT heating mats place heavy sharp tools or any other potentially damaging object on top of the heating mats walk unnecessarily on the heating mats install electrical cables or pipes under the floor together with the heating mats use cellulose insulation install mats when the room temperature is below 5 C 23 F install underfloor heating mats anywhere except inside buildings install mats under walls or partitions or in areas under heavy cabinets closets or fixtures toilets sinks tubs etc install mats within 3 cm 1 inch of any heat conductive building part such as cold water pipes install mats within 5 cm 2 inches of one another ribbon to ribbon 10 cm 4 inches of any wall or 15 cm 6 inches of a fireplace or hot water pipe connect any other electrical appliance on the same electric fused spur or RCD unit of the heating system install heating mats under wooden floor if the wooden floor is thicker than 18 mm 3 4 inch put acoustic material between the heating mats and the wooden floor when installing wooden type floor with R value of the acoustic material greater than 0 014 m 2 C W 0 08ft 2 h F Btu use carpet underlay with thermal resistance greater than 0 8 Tog install under carpet with thermal resistance greater than 2 0 Tog Always e Always e Always e Always e Always e Always e A
10. lways e Always cover mats with grounding net in wet areas Wet areas Include saunas bathrooms and kitchen areas within 50 cm 20 inches of sinks or any metallic kitchen appliance ensure that the electric circuit that supplies electricity to the AHT heating system is equipped with a 30 mA ground fault current interrupter GFCI or residual current device RCD connect all cold wire leads from the AHT heating mats in parallel inside an electrical junction box or boxes ensure that the total current needed for all mats connected in parallel is not more than 80 of the listed amperage capacity of the electrical junction box and its power supply line and breaker For advice consult your recommended installer supplier provide each room with an AHT heating system with Its own electrical junction box and control thermostat Each AHT thermostat has a maximum capacity of 16 Amps If the amount of Amps in the room is greater than 16 Amps divide the amperage over several thermostats or add a contactor between the mats and the thermostats To calculate the amount of Amps in the room see tables in page 15 use insulation under the mats to reduce running costs and warm up time Check with your installer to determine the R value of the sub floor insulation layer If there is no insulation or if the R value of the insulation layer is lower than 0 1 m2 C W or 1 Tog 0 57 ft2 h F Btu please read the insulation instructions on page 5 a
11. nd act accordingly wait for thin set grout to dry properly before operating the system he drying period is generally 2 14 days depending on manufacturer s instructions If you are installing soft type of floor covering vinyl or linoleum cover the mats with at least 6mm 1 4 inch self leveling flooring cement or latex compound All electrical connections must be performed by a fully qualified electrician The installer must verify the conformance to all applicable codes or standards Getting Started Before installing your new AHT underfloor heating mats be sure you have the following additional parts ELECTRICAL JUNCTION BOX used as the connecting junction for the cold leads of the heating mats GROUNDING NET needed only when installing heating mats in wet areas such as bathrooms kitchens saunas etc CONTROL THERMOSTAT allows you to control the temperature of the room The control thermostat must also have a two terminal manual on off switch Control thermostats have one or two of the following sensors Ambient air temperature safety sensor e Floor temperature safety sensor In bathrooms use thermostat with only floor temperature sensor You can use the same kind of thermostat for other wet areas such as kitchen but it is not a must Use thermostat with air and floor temperature sensors for all other installations We recommends the AHT digital fully programmable thermostat which enables you maximum sa
12. ness and Thermal conductivity as long as the R Value of the material is in the range of 0 1 0 3 m2 C W or 1 3 Tog 0 57 1 7 ft2 h F Btu When installing insulation material under carpeting always make sure that the R value of the insulation is at least the same or greater than the R value of the carpet Step 1 Planning Your Installation 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 6596 8096 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 The heating mats are available in several convenient sizes Choose the combination of heating mats that best enables you to cover the recommended 65 80 of your room Plan to use the larger heating mats as much as possible and to use smaller mats only as gap fillers The mats are supplied with 5 meters 16 feet of electrical cold leads If this is not enough ask your electrician to extend the cold leads Step 2 Laying Out Your Heating Mats 1 Go 1 Thermostat 2 Power supply 8 Electrical wire installed in an electric conduit 4 Junction box 5 Floor heating mat Heating mats Cold leads 7 Floor sensor installed in electric conduit Bottom plates holes 9 Floor sensor Installed in floor Clean all debris from the floor base If installin
13. vings and flexibility in creating your weekly heating plans See page 15 for a list of recommended thermostats in your country GROUND FAULT CIRCUIT INTERRUPTER OR RESIDUAL CURRENT DEVICE Consult your local dealer regarding the applicable GFCI or RCD Feel free to contact your AHT representative for additional details regarding the appropriate controls HARD INSULATION MATERIALS used as heat insulator under the heating mats in stone type floors for efficient heating The material comes in plates usually made from foamed Polyurethane or Polystyrene and should have Compressive strength of more than 2 Kg cm2 28 PSI The R value of the material should be in the range of 0 1 0 3 m2 C W or 1 Tog 0 57 1 7 ft2 h F Btu See page 14 for a list of recommended hard insulation materials See also remark below e SOFT INSULATION MATERIAL used as heat insulator under the heating mats in all nonstone type floors for efficient heating The material comes in rolls and should have Compressive strength of more than 0 02 Kg cm 0 28 PSI 2 The value of the material should be in the range of 0 1 0 3 m2 C W or 1 3 Tog 0 57 1 7 ft2 h F Btu See page 14 for a list of recommended soft insulation materials See also remark below Remark It is common to find insulation materials that are at least omm 1 4 inch in thickness and have Thermal Conductivity of 0 02 0 06 W m C 0 035 0 1 Btu h ft F but you can use other thick
14. wer than 2 0 Tog Always ensure that the Tog value of the insulation is at least the same as the carpet JOSUBS 10014 10044 CO o m CO 21328 3 1e150u181 L 11501181 1 271 l 3 sduie 9 ugy ssa 10 uodo sduie 9 ugy 5591 10 uodo Typical Wiring D List of Recommended Materials Recommended Thermostats All AHT thermostats are programmable There are 2 types of thermostats to cover all the various types of installation surrounding possibilities e THERMOSTATS WITH FLOOR ONLY TEMPERATURE SAFETY SENSOR e FOR USE IN BATHROOMS CAN ALSO BE USED IN OTHER WET AREAS We recommend our AHT309F thermostat This programmable thermostat includes LCD screen and only Floor Temperature Safety Sensor e THERMOSTATS WITH AMBIENT AIR TEMPERATURE SAFETY SENSOR AND FLOOR TEMPERATURE SAFETY SENSOR FOR USE IN DRY AREAS CAN ALSO BE USED IN WET AREAS OTHER THAN BATHROOMS We recommend our AHT309AF thermostat This programmable thermostat includes LCD screen Ambient Air Temperature Safety Sensor and Floor Temperature Safety Sensor Recommended Hard Insulation Material When hard insulation material needed you can use Polyurethane foam panels The Compressive strength and Thermal conductivity of this material are in line with the recommendations for hard insulation mater
15. wires 6 Place the cold leads of the mats between the mats toward the junction box Try to place the cold leads so that they do not cross each other Laut Ensure that the cold leads of the 227 mats do not cross over the mats 7 Since the cold lead connector is slightly thicker than the rest of the mat create a slight groove in the insulation board under the connector to ensure that the heating mat lays flat If any cold leads cross create a groove for the cold leads at the point at which they cross 8 Mark each pair of cold leads coming from the same mat with a number Place a small sticker with the number of each pair of leads close to the end of the lead aril Making the Electrical Connections All electrical connections must be performed by a fully qualified electrician i ee jj Ensure that the cold leads of the mats do not cross over the mats CAUTION 1 Install the electrical junction box or boxes above floor Radiant Floor Heating System level according to local safety and building regulations Warning Risk of electric shock Electric wiri and codes Place the following label on the electrical tue ia junction box or boxes indicating that an underfloor heating system is installed in the room 2 Install the control thermostat as far as possible from any heat sources or heat sinks such as fireplaces direct sunlight windows doors or anything th
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