ELECTRIC HEATING THERMOSYSTEM

Transcription

1 ELECTRIC RADIANT MAT 8200E INSTALLATION AND USE MANUAL heating passion ELECTRIC HEATING THERMOSYSTEM

2 WARNING: For the guarantee to be valid, the product must be installed and handled as indicated in this manual. This means it is extremely important that you read the manual. This applies both to the person that installing the Electric Radiant Mat and to the person who will use it. The underfloor heating system is an electrical power installation and must therefore be installed in accordance with the current regulations and under the supervision of a qualified electrician. Features of the Mat 8200E - Nominal voltage: 230 Volt 50 Hz - Output: 150 W/m² - Cold connection cable: 1 x 3 meter (average length) - Minimum installation temperature: + 5 C - Smallest bending radius: 6xdA - Resistance tolerance: -5%/+10% - Certified: CE - Cold/Warm splice: sleeveless, without shrinkable sleeve (not for 8200E-02) - Insulation of the heating cable: Polyolefin with Low Gas Emission / Halogen free - Radiant width: 0,50 m - Mat width: 0,50 m - Corrugated sheath with chrome plated terminal included CODE SIZE / POWER NOMINAL CURRENT Ampere NOMINAL RESISTANCE Ohm RADIANT SURFACE 8200E-02 2 m / 150 W m 2 / sqf 8200E-04 4 m / 300 W m 2 / sqf 8200E-06 6 m / 450 W m 2 / sqf 8200E-08 8 m / 600 W m 2 / sqf 8200E m / 750 W m 2 / sqf 8200E 2

3 Important Installation notes The installation of the mats should be in compliance with the Country's Standards applicable to the electrical installations. All local prescriptions and rules need to be respected. A precondition for the installation is that the requirements of all applicable VDE provisions, (or equivalent National Standards), are observed, in particular, DIN VDE 0100 part 753 (provisions for installers), 0100 part 701 (requirements on rooms with bath tub or shower) 0100, part 520 (cables and line installations). Check to make sure that the delivery matches the plan. The base should be strong and free of vibrations. Thermal insulation under the sub-base is absolutely necessary if the mat is installed over soil or rooms without heating. When laying out the mats, observe that self-adhesive heating mats are installed with the plastic grid structure down. Tile adhesive, flexible mortar and levelling compound should be compatible with the floor heating system. Completely embed the heating mats, heating cable and sleeves in the adhesive mortar. Avoids kinks of the heating cable. Heating cables should not touch or cross each other. Maintain 4 cm minimum distance between them. Do not install heating cables across expansion or dummy joints. Do not cut the heating cable short or connect it directly. Provide a fault circuit interrupter FI 30 ma as protection against direct contact during installation. Observe all applicable VDE, TAB provisions, and/or installation Country prescriptions, and/or Municipal requirements. The lowest temperature at which the heating mats can be installed is 5 C, the highest permitted surface temperature is 80 C Heating mats can be installed on almost any clean, dry, absorptive, load-bearing frost-free floor. Heating mats must not be installed in easily or normally flammable building materials according to DIN4701. Fresh cast concrete floors should dry at least 4 weeks in the warm season and double that time in the cold season, depending on temperature and weather. Don't install heating mats in walls below 2.3 m or ceiling inclined less than 45 to the perpendicular. Make sure to install the heating mat without folds, i.e., exert a slight pull when laying out the mat on the floor. Make sure that there are no sharp edges or pointed objects in the area that could damage the heating mats. If present, remove them completely. Install the heating mat and supply socket in such a way that the connection wires and the protective ground leads can be connected without the need to extend their length. It is forbidden to cut heating cables from the heating mat and install them loosely. Sleeves (cold-warm transitions) should not be kinked Place the warning sign for installing the heating mat and the mat installation plan near the power distribution point. Install the heating mat at least 30 mm from conducting parts of the building (e.g., water pipeline) E

4 Adhesive Remove all loose material such as lose tiles, waste adhesive, etc. from the floor and level out bigger floor unevenness with leveling compound. Heating mats can be installed with all branded quality flexible adhesives suitable for floor heating systems Connections The connections of the heating mats, the timers and switches must be made according to DIN VDE 0100 part 753 (provisions for installers) by a trained electrician. The connecting cables should be laid in plastic armored conduit with minimum 0,8 mm thickness. If more than one heating mat is installed in a room, all connecting cables should be installed through an empty cable duct to the flush-mounted socket outlet. In the socket the cables of the mats should be connected in parallel by using appropriate clamps, and connected to the room thermostat by using a cable two wires with appropriate dimension. The wires of the protective ground should be connected directly with the building's protective ground system. The cold cable of the mat, (the end connection cable), should neither touch nor cross the heating cable. Heating mats, including mats of different sizes, can be switched together via a common system connector provided they have the same output per unit area. The maximum current of the controller should be observed. Other points When installing the heating mats in bathrooms and showers, do not install them at places where sanitary facilities, e.g., bathtubs, shower trays, freestanding flush WC or bidet and fitted furniture will be put. The heating mat or controller are not made to be handled by children and person with restricted mental, physical or sensorial capabilities or who do not have the necessary experience or knowledge unless under the supervision of a person responsible for safety or unless they were instructed in the use of these items. Children should be supervised to make sure that they do not play with the products. Install the heating mats so they do not overlap. The only permitted way of installation of the heating mat is permanent fixing to the floor. Make sure that the heating mat is separate from other sources of heat such as lamps, chimneys or fireplace. The smallest permitted radius is 5 times the outer diameter of the heating cable. Do not step on the heating mat except you cannot avoid this during installation. Wear suitable boots with rubber soles. Put down or move tools for installing the cover material on a suitable support. Cabinets whose full bottom rests on the floor should only be placed on unheated floor area. As a rule, maintain 60 cm of non-heated edge around movable walls. Do not install penetrating objects (doweled screw for door stops) in areas with heating mats. Heating mats should not cross available or planned expansion joints. Additional floor covers, e.g., carpets or rugs, ticker than 10 mm are not permitted because they can cause heat build-up and damage the heating mat. 8200E 4

5 How to avoid air gaps between heating mats and screed Install the heating mat only after all unevenness have been leveled. The base on which the heating mat is installed should be aligned in vertical and horizontal direction. Substrate, heating cable and sleeve should completely be enclosed in the cover material. Adhesive residue Film residue can remain on the floor, loose residue should be removed. Depending on the flexible adhesive in use, could be necessary to put a layer of primer on the floor as instructed by the supplier, and let it dry. If marble or granite tiles are laid, remove all glue residue completely. Old tile or natural stone floor covers Inspect the floor to detect loose or hollow tiles, and remove these completely. Also remove any grease or dirt layers. Depending on the type of flexible glue you are using and the supplier's instruction, apply an undercoat. Functional range The super-flat heating mat provides a thermal environment and is installed directly below the floor covering. It can be used as additional or as only heating (note the heat output! ). Due to its low height this heating mat is preferred for service fitting in bathrooms, showers, kitchens, etc. Maximum thickness of flooring The performances of the system and especially the time required to put in temperature the rooms, depend to the thermal conductivity of the material used for the flooring. If the thermal conductivity is low or the thickness is high, normally the performance are reduced. To avoid dissatisfaction the values below need to be considered carefully. Tiles 25 mm ʎ = 1.00 W/mK Parquet 15 mm ʎ = 0.14 W/mK Wall to wall carpet 10 mm ʎ = 0.09 W/mK Laminate flooring 8 mm ʎ = 0.08 W/mK PVC 10 mm ʎ = 0.23 W/mK Preparing the installation area Inspect the area before you start installation work. Close cracks with epoxy resin. Make sure that the area is free from sharp, pointed objects, which can damage the heating mat. Attach boundary insulation strip (foam strip about 8 mm) around the walls, columns, etc. Lay on the existing floor the thermal insulation on all surface, included the areas where the heating mat will be not positioned. The thermal insulation under the heating mats improves performance and reduces the heating time. The heating mat can be installed directly on the existing floor, but if the thermal insulation is planned, the efficiency and the comfort of the system is higher. With thermal insulation of minimum thickness 30 mm the heating time is halved E

6 Installation procedure The installation of the heating mat contemplates the follows phases: 1. Preparation of the installation area 2. Checking of the electrical resistance of the heating mat 3. Installation of the mat and of the corrugated sheath for the floor temperature sensor 4. Downing of the mat into the levelling materials 5. Second check of the electrical resistance of the heating mat 6. Electrical connection to the room thermostat with installation of the floor temperature sensor Before install the heating mat, it is necessary read its identification serial number printed on the label strip fixed on the mat's cable, and write it on the Installation Report (see attached form). The electrical resistances measured before and after installation must be registered on the Installation Report. During the checking of the electrical resistances it is necessary also verify that the wires of the mat are not in short circuit with the screen. Laying of the mat Put self-adhesive heating mats with the plastic grid down on the floor according to the installation plan. The shape indicated in the plan could be obtained in same cases by cutting the plastic grid at the intended turn point. IMPORTANT! Do not damage the heating cable. Bend the heating mat where you cut it, and install it in parallel with the first web. When installing heating mats in showers or bath-rooms, do not install them at places where sanitary facilities, e.g., bathtubs, shower trays, freestanding flush WC or bidet will be put Maintain a minimum distance of 4 cm between heating cables. Do not lay heating mats so that they cross each other. Wherever possible, avoid stepping on the heating mats during installation. The connection ends are installed to the socket outlet from the side of the heating mats. Make an insulation check before embedding the heating mat, measure the resistance of the heating mat and enter the value in the test report. 8200E 6

7 The products needed for installing the heating mats are available from several suppliers. Please observe the handling instructions of the respective supplier. Installation on cement screed Apply an undercoat to the base and let it dry Fix self-adhesive heating mat to the base and cover it with flexible mortar or levelling compound completely. At the end of this step, the heating mat with the sleeve should be fully enclosed by the flexible mortar or leveling compound. The base should be stable, clean and sufficiently load bearing. Carefully remove all oil stains and other impurities, which reduce adhesion. This applies to all kinds of base in general. Allow the mortar bed and leveling compound to dry. Remove any unevenness by applying leveling compound and let it dry. Installation on ceramic flooring, synthetic or natural stone tiles Any cover should adhere firmly. Contamination of any kind, e.g., wax or grease, should be removed carefully using suitable cleaner. Proceed as described for "Installation on cement screed" (see above). Installation on anhydride screed The anhydride screen should be dry, maximum moisture 0,5%. Slightly grind the surface, if necessary. Apply self-leveling cement screed and let it dry sufficiently. Installation on wood planks or wood chip board The floor should be non-vibrating and dry. Contamination of any kind, e.g., wax or grease, should be removed carefully using suitable cleaner. Screw fasten or glue hard foam carrier panels or polyester press fiber board on wood planks or wood floor. Heating mats on a wooden base should be embedded completely in levelling compound or flexible mortar. Proceed as described for "Installation on cement screed" (see above). Floor top cover Ceramics tiles and natural stone are very good for floor heating systems, textile, plastic and parquet flooring can also be used. Generally, the top flooring should be fixed with an adhesive suitable for floor heating. Tiles as top flooring Install tiles in flexible mortar, and then cut off the projecting edge-insulating strip. Close the tile joint, use silicone for edge joint. Textile or PVC top floor Where textile or PVC top flooring is installed, the mat should be covered with at least 10 mm flexible levelling compound as mechanical protection. Constant temperature resistance of the levelling compound: at least 50 C E

8 Example of floor structures The pictures below show three typical possibility of installation of the electric heating mat. As mentioned above, the solutions with thermal insulation under the heating mat must be preferred because allow to obtain the best performances of the system. Thermal insulation under mortar bed 1) Existing floor 2) Perimetral insulation 3) Heating mat 4) Insulation panel 5) Mortar bed 6) Levelling compound 7) Floor adhesive 8) Flooring 9) Floor temperature sensor in sheath Thermal insulation under mat 1) Existing floor 2) Perimetral insulation 3) Heating mat 4) Insulation panel 6) Levelling compound 7) Floor adhesive 8) Flooring 9) Floor temperature sensor in sheath Installation on existing floor w/o insulation 1) Existing floor 2) Perimetral insulation 3) Heating mat 6) Levelling compound 7) Floor adhesive 8) Flooring 9) Floor temperature sensor in sheath 8200E 8

9 Example of floor section The pictures below shows an example of section of the joint between floor and wall, with the positioning of the connection sockets. 1) Unfinished floor 2) Vapor barrier 3) Footstep sound insulation, thermal insulation 4) Plastic film 5) Screed 6) Levelling compound temperature resistant 7) Thin-bed adhesive temperature resistant 8) Heating mat 9) Floor temperature sensor 10) Floor tiles 11) Flexible joint seal 12) Skirting 13) Heating mat feeder cable conduit 14) Floor sensor corrugated sheath 15) Connection socket 16) Wall 17) Empty receptacle and temperature controller Connection of the heating mat The heating cable terminal ends are connected in the wall socket outlet as shown in the schematic below. L PE N Connecting terminal for the switched phase (230 V A.C.) via controller (e.g., temperature controller, room thermostat, ) Connecting terminal for the screen of the heating cable for line protection and residual current monitor Connecting terminal for the neutral conductor of the heating cable There is not a preferential connection for the terminals L and N. The two wires of the heating cable are identical, and there is not a polarity that need to be respected. If there are more than one heating mat in the same room that need to be connected at the same temperature controller, the terminals of the heating cables must be connected in parallel into the connection socket E

10 IMPORTANT! Several heating mats are connected in parallel. The maximum permitted current at the switch contact of the controller should not be exceeded. Coverage of heating cables / heating mats The VDE / EN regulations ( ) require minimum 5 mm covering over heating cables / heating mats. The continuous temperature requirement of 50 C must be met. Installation Electrical heating equipment must be installed by a trained electrician ( EN ). The heating system must be equipped with an all-pole disconnector with at least 3 mm open contact width of each pole. A residual current switch (FI 30mA) should provide protection against indirect touching. The floor sensor of the temperature controller should be installed directly in the floor in the supplied corrugated sheath, capped on top by a chrome plated terminal. The head of the floor sensor should be introduced thoroughly in the corrugated sheath until it is in the terminal. The corrugated sheath should be positioned in manner that could be possible, in case of necessity, remove and change the floor sensor during maintenance. In correspondence to the joint of the wall with the floor, the corrugated sheath should be positioned curved with a minimum radius of 6 cm. The corrugated sheath departs from the connection socket, or directly from the temperature controller flush mounted box. Position the floor sensor in the middle between two heating cables, and in the middle of the mat width (approximately 25 cm from the edge of the mat). In the case that in the same room there are more than one heating mats connected with the same temperature controller, and consequently with only one floor sensor of temperature, it is necessary install only one corrugated sheath. The cold cable of the heating mats must be installed in a conduit from the floor to wall transition up to the wall socket outlet. It is possible shorten the could cable of the heating mat at an minimum length of 1 meter. In case it is necessary it is possible elongate the cold cable by using a cable 3 wire with section 1,5 mm². The joint should be in a connection socket. The joint of the cables not inspectable is forbidden. The cable ends of each heating mat must be connected to 230 V A.C. mains supply voltage via the control device. The protective ground conductor of the heating mat is connected to the protective ground. Also see chapter "Connection of the heating mat". 1) Heating mat 2) Floor sensor installed in corrugated sheath 3) Connection socket 4) Temperature Controller 8200E 10

11 Temperature control The floor and room temperature can be controlled by flush-mounted or surface-mounted controllers. Only floor temperature controllers are permitted in rooms with several heating sources (e.g. bathrooms). A timer can be connected to the floor heating for the preset of heating time. Alternatively,floor temperature controllers with programmable times and levels of temperature reduction are also available. Room thermostats models 8200T2 8200T4 8200T6 Electrical connection of the room thermostats Warning: The transition joint from the heating cable to the connecting cable is normally marked with a red cable strap and a blue cable strap. If the colored cable strap there are not, it is possible see the joint of transition that in this case has an higher diameter. The connecting cable can be cut 1 meter at minimum after the transition joint E

12 Special applications with Towel Warmer A recurrent application is the combination in the bathrooms of the radiant heating mats with towel warmers. This solution allow to combine the comfort benefits of the radiant system with the functionality of the wall radiator. The two heaters combined increase the total energy supplied, allowing to reduce the time required to put in temperature the room, with consequently advantages. The room thermostats series 8200T are developed to control in the same time radiant mats and towel warmer, through the high capacity internal switch. To do this, it is necessary connect at the thermostat clamps, the electrical supply of the radiant mat and the electrical supply of the towel warmer in parallel. The solution implies that when the room set temperature is satisfied, both heaters are switched off, while if the room temperature is below the set, both heaters are switched on. Depending to the towel warmer electrical connection, there are different possible cases, but the most frequently are with towel warmer equipped with power plug. In this case, the suggested solution is to put close to the towel warmer, an electrical socket equipped with double pole switch that permits to interrupt the energy supply. Important warning is to verify that the total maximum current required by the heaters connected is below of the breaking capacity of the room thermostat's switch contact. The picture below shows a possible connection solution. Documentation The owner of the system should receive from the installer the following documents: Installation instructions with completed installation test report Inspection plan with position of the heating mats, temperature sensors and footprint area of furniture, as well as connection points of the heating cables Description of the floor structure IMPORTANT NOTE: Warranty can only be claimed if the test report is completed after installation. The minimal controls required are the checking of the electrical resistances, the checking of the short circuits and the heating test at starting. Disposal The product can not be disposed of as general household waste. To disposal the electrical mat it is necessary respect the local rules applicable at this kind of products. Ver.Oct E 12