Tectora Installation Manual
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Tectora Joisted Batten Underfloor Heating Manual Technical Helpline 0845 345 2288 tectora.indd 1 25/04/2014 12:05:04 Contents 3 Product Information 4 Important Information 6 Installation 7 Pressure Testing Screeding & Floor Covering Information IMPORTANT Please read this manual before attempting to install your underfloor heating. Incorrect installation will invalidate your warranty. Warmup Plc, accepts no liabilty, expressed or implied, for any loss or consequential damaged suffered as a result of installations which in any way contravene the instructions that follow. 8 Warranty 10 Pressure Test Report If you require any help at any stage of the installation please call our helpline : Warmup Technical Helpline 0845 345 2288 22 tectora.indd 2 25/04/2014 12:05:05 Product Information - Warmup® Tectora Joisted Floor System 1 Floor Covering 2 Joists 3 Warmup Tectora Diffusion Plates 4 Warmup Pipe 5 Warmup Insulation 6 Subfloor with DPM 1 3 2 5 4 6 System Description The Warmup Tectora Joisted Batten Floor System is particularly suitable where there is a sprung/cradled battened floor or floor joists. It is used in battened installations over a concrete subfloor, variable height floor battens are employed to create a void of between 50 to 100mm. The batons can be sprung or on cradles to create an acoustic floor. For this installation, a diffusion plate system is generally used if standard installation types are not suitable. For installing as a joisted system, the rigid insulation is placed between the joists to support the diffusion plates, as they span the joists. Components Required Item Information Warmup Pipe PEX-a - 16mm PE-RT/AL /PE-RT 16mm PE-RT - 16mm Metro Insulation Board PIR or EPS insulation boards available in 25mm -100mm thickness. Warmup Diffusion plate Double Plates 390mm x1000mm x 0.5mm The Warmup Tectora Joisted Batten Floor System is suitable for almost any floor finish, in particular wood or engineered wood. 390mm x 1000mm x 0.6mm Technical Information 390mm x 1000mm x 0.7mm The insulation for the Tectora Joisted Batten Floor System installed between the joists/battens must comply with Building Regulations in force at the time. It is supplied by Warmup. Battens to support the insulation will be designed and installed by the flooring contractor and co-ordinated with the installer. Single Plates 190mm x1000mm x0.6mm Warmup Tectora Diffusion Plates are then installed between the joists. The underside of the plate rests upon the insulation, which in turn supports it. 190mm x1000mm x0.7mm This is followed by the pipework as per the approved design. Once the system has been installed and pressure tested it should be protected by laying the floor covering as soon as possible. Output from the system will be designed to meet your requirements taking into account such criteria as floor finishes. Warmup Pipe Conduit 25mm conduit protection available in 50m Part no. WHS-CL-CONDUIT lengths Warmup Pipe Bend Support Part no. WHS-P-BEND Suitable for use with all Warmup pipes 3 tectora.indd 3 25/04/2014 12:05:06 Important Information Before commencing installation, it is important that a site inspection is performed. You will need to confirm that all measurements and other requirements on site match your building plans. Ensure that all subfloors are the correct depth needed to incorporate the underfloor heating. Check for anything that might interfere with pipe installation such as concrete walls where they were not expected or changes to the floor layout. Note: A redesign of the layout system may be required if any changes have been made. Insulation In accordance with Part ‘L’ of the current Building Regulations, a suitable layer of insulation material should be included within the floor construction. It is the responsibility of the Architect or Builder to ensure compliance. The insulation must be installed beneath the under floor heating system in order to ensure that any downward heat loss does not exceed 10W/m2, in accordance with BS EN 1264. Inspect the site for possible hazards that could damage the Warmup pipe, such as nails, staples, materials or tools. Remove any items or potential hazards before installing pipe. When handling the Warmup pipe it is important to protect the pipe from damage. Uncoiling the pipe DO NOT pull of the coil while it is sitting flat. It must be unwound from the coil, pulling from the top or the bottom of the coil. This will require one person to hold the pipe off the ground, or the use of an uncoiling device such as the WHUF-UNWINDER. Bending Radius of the Pipe When laying the pipe, do not force the pipe into bends. It is easier to lay the pipe with a large radius and then gently pull the pipe to the required bend. The maximum bending radius is 5 times the diameter of the pipe. Kinking Pex- a pipe only Excessive bending of the pipe can cause it to kink, where this occurs flow may be obstructed or reduced. Kinked pipe must be repaired. To repair a kink, straighten the pipe and simply heat the area with a hot air gun until the kink disappears. NOTE: DO NOT use an open flame to heat the pipe. Heat around the pipe to evenly heat the surface. Ensure that you do not overheat the pipe as this will result in damage . The maximum temperature that the PEX-a pipe can withstand is 95°C. NOTE: Do not try to bend the pipe in the same spot. Where the pipe is not Pex-a the circuit will need to be replaced with a new pipework. Cutting the pipe Use a pipe cutter designed for plastic pipe ensuring that there are no burrs on the pipe ends. It is important to achieve a clean cut. NOTE: If you accidentally damage a Warmup underfloor heating pipe BEFORE covering it with screed or other coverings, under the Warmup Safetynet guarantee you may return the damaged coil of pipe to Warmup, who will replace the coil FREE OF CHARGE with pipe of the same length and type. 4 tectora.indd 4 25/04/2014 12:05:06 Important Information Pipe Installation Install the pipe along outside walls first so that the hottest (supply) water goes to the coldest areas. Pipe should not be installed under appliances such as freezers. If a pipe circuit is installed under floor coverings such as carpet and tile, install pipe under the high R-value area first if possible, as this area will require a higher water temperature. Keep pipe at least 15 cm from the edges of slabs, walls or other permanent objects in order to prevent damage when this will help to prevent damage to the pipe when these items or flooring materials are being installed. Plan the circuit layout ensuring that pipes can connect to manifolds without crossing each other. Ensure that all circuits have been planned in advance to minimize areas where the pipe passes through expansion joints. In confined areas it may not be possible to use the designed spacing. To avoid cold spots always use tighter spacing and more pipe rather than wider spacing and less pipe. Protecting the Warmup Pipe Pipe Bends Protection will be required where the Warmup pipe enters the floor. The recommended method for protecting the pipe is the rigid PVC Bend Guide, which holds the pipe in a 90° bend, as well as protecting the pipe from damage. To install PVC Bend Guides, simply insert the Warmup pipe through the PVC Bend Guide to the appropriate length, (50-75 cm) .The PVC Bend Guide should be positioned so that the pipe rises straight to the manifold with approximately half the guide within the floor. Conduit Sleeving Using the Warmup pipe conduit protection sleeve across all construction joints in floor. Locations where pipes pass through expansion joints, door frames, walls or where the pipe could get damaged by sharp edges will require protection. Use the Warmup Pipe Bend Support where it enters the floor. When installing the conduit cut along the length of the conduit and clip onto pipe. 5 tectora.indd 5 25/04/2014 12:05:07 Warmup® Tectora Joisted Batten Floor System - Installation Step 1 Insulation must be fitted between the joists before the Tectora System can be fitted. Cut the Warmup Metro Insulation to size and fit tightly between the joists. The insulation should be supported by fixing battens between the joists. NOTE: Use a compressible insulation material at the end of each joist run to fill any air gaps in order to minimise air infiltration. Step 2 Distribute the plates evenly across the floor as per the installation design. Each plate should be fitted with 6 staples. Allow 500mm for pipe end returns and a 100mm gap between plates. Ensure that the Warmup Diffusion plate is fully supported and remains in contact with the final floor covering. Fit insulation between the joists Step 3 The floor joists then need to be notched or drilled in accordance with Building Regulations. This enables entry and exit of the pipe to and from the room. Always allow for expansion and contraction of the pipe where it passes through notched joists by covering the pipe in the Warmup pipe protection conduit. Step 4 After establishing the area to be covered by the circuit, connect to the manifold holding the pipe at a 90° bend (see page 5) Step 5 Run the pipework to the designed pattern by pushing the pipe into the plates. Locations where pipes pass through expansion joints, door frames, walls or where the pipe could get damaged by sharp edges will require protection. Cover the pipe with the Warmup pipe conduit protection. Distribute the plates evenly across the floor. Ensure that the plates remain flush with the top of the joists. Step 6 Fix pipe bend to the return pipe and connect to the manifold. Step 7 Complete Steps 5-7 for each circuit. FINAL FLOOR COVERING Lay final floor covering 90° to the plates. Run the pipework to the designed pattern. 6 tectora.indd 6 25/04/2014 12:05:08 Pressure Testing A system pressure test MUST be carried out before the screed has been laid. The system should be filled and each circuit purged of air. Connect the pressure tester to the drain valve and increase the pressure test to 6 bar. Leave at 6 bar for 1 hr. If the pressure level remains stable record the results on the pressure test certificate. If you see that the pressure has dropped you will need to inspect the pipework for damage and fittings for proper attachment. Once the pressure test is complete reduce the system pressure down to 3 bar during screeding to protect the pipework. Floor Coverings When installing an underfloor heating system the thermal conductivity of the final floor covering must be considered at the design stage. Ensure that the floor covering is suitable for use with underfloor heating. It is also important to check that any adhesives used with the floor covering are suitable and can tolerate the floor surface temperatures. Timber floors The important factor is the floor moisture content. Timber floors can be laid directly over the screed if they have a moisture content of 10-11% which when heated will reduce to 8-9% and may cause a small amount shrinkage. The floor will re-absorb some moisture when the heating is not operating and the moisture content will increase to 12-13%. The timber floor finish should not exceed 18mm in thickness. Timber flooring carries a 27°C surface temperature limit. Carpet The thermal resistance of carpets and underlay is fundamental in attaining good heat transfer. The most popular underlay type is sponge with a waffle pattern molded into the underside. These allow good heat transfer. Felt and rubber crumb underlay should be avoided. These products can seriously reduce the effectiveness of an under floor heating system, as they insulate the floor surface and prevent heat transfer. For optimal system performance choose an underlay with a maximum TOG value of approximately 0.5. The maximum combined TOG value of carpet should not exceed 2.5 TOG. Tiles These floor coverings work well with under floor heating. The Tiles should be laid on a full bed with no air gaps. It is important that the design of the supporting floor structure is stable and rigid to prevent cracking. It is recommended that flexible adhesives and grout be used. Vinyl Check the floor surface temperature indicated by your vinyl supplier for compatibility with under floor heating. Vinyl flooring carries a 27°C surface temperature limit. 7 tectora.indd 7 25/04/2014 12:05:08 Warranty Warmup Plc Limited Warranty – Hydronic Floor Heating Pipe PLEASE REGISTER YOUR UNDERFLOOR HEATING SYSTEM ONLINE AT: www.warmup.co.uk Registration can be completed online at www.warmup.co.uk. In the event of a claim, proof of purchase is required, so keep your invoice and receipt - such invoice and receipt should state the type of pipe that has been purchased. THIS WARRANTY DOES NOT EXTEND TO OTHER COMPONENTS WHICH ARE COVERED BY SEPARATE WARRANTIES. THIS WARRANTY DOES NOT AFFECT YOUR STATUTORY RIGHTS. Limited Warranty: Warmup® underfloor heating pipe is warranted by WARMUP PLC (“Warmup”) to be free from defects in manufacturing under normal use and maintenance, and is warranted to remain so subject to the limitations and conditions described below. This warranty period begins on the date of purchase. Registration is confirmed only when confirmation of receipt is forwarded by Warmup PLC. Warranty Duration •The Pex-a Underfloor heating pipe is warranted for the LIFETIME of the floor under which it is fitted, except as provided below; your attention is drawn to the exclusions listed and the end of this warranty. •The Pe-rt Underfloor heating pipe is warranted for a period of 50 years from date of purchase, except as provided below; your attention is drawn to the exclusions listed and the end of this warranty. •The Pe-rt-Al-Pe-rt Underfloor heating pipe is warranted for a period of 50 years from date of purchase, except as provided below; your attention is drawn to the exclusions listed and the end of this warranty. Notification of a suspected failure must be received in writing by Warmup within thirty (30) days of the suspected breach. Products believed to be defective must be made available to Warmup for testing and determination of cause. Upon acceptance of any warranty claim, Warmup shall have ninety (90) business days in which to investigate and determine whether it recognises responsibility for any believed defects in material or workmanship and determines the appropriate course of action to be taken. It is expressly agreed that the sole remedies under this limited warranty shall be at the discretion of Warmup, Plc. to either: issue a refund, repair or replace any article which is proven to be defective. Any and all allowances made to customers for transportation, labour, repairs or all other work, are at the exclusive discretion of Warmup and shall be authorised in writing, in advance, by Warmup. Such cost does not extend to any cost other than direct costs of repair or replacement by Warmup and does not extend to costs of relaying or repairing any floor covering or floor. The warranty applies to the products identified above only if they: 1.are registered with Warmup within 30 days after purchase; 2.are selected, designed and installed by a qualified contractor according to installation instructions provided by Warmup which are current as of the applicable Installation Date; 3.are connected to appropriate power and water supplies; 4.are installed according to all applicable building code requirements; 5.are not exposed to pressures and/or temperatures that exceed any limitations printed on the warranted product or in the applicable Warmup product installation manual; 6.remain in their original installed location, such that the floor covering or screed over the product is not damaged, lifted, replaced, repaired or covered with subsequent layers of flooring; 7.do not show evidence of accidental damage, misuse, lack of care, tampering, or repair or modification without the prior written approval of Warmup Plc. 8 tectora.indd 8 25/04/2014 12:05:08 Without limiting the foregoing, this Warmup Warranty does not apply to: 1.damage or repairs required as a consequence of faulty installation, application or abnormal operating conditions; 2.damage caused during installation, screeding, laying of the flooring or floor finish, or any other remedial works to the floor that are done post installation; 3.damage as a result of floods, fires, winds, lighting, accident, corrosive atmosphere, ultraviolet light or other conditions beyond the control of Warmup Plc; 4.use of components or accessories not compatible with this product; 5.products installed outside the country of original intended destination when specified by Warmup. 6.Normal maintenance as described in the installation and operating manual. 7.Parts not supplied or designed by Warmup. 8.Any damage caused by frozen or broken heat transfer fluid pipes in the event of equipment failure. 9.Changes in the appearance of a product that does not affect its performance. NOTE: It is important to check that the pipe is pressure tested as specified in the installation manual, prior to screeding or final flooring/finishes being laid. The above Limited Warranty is the full extent of explicit warranties provided by Warmup Plc. By mutual agreement of all parties, it is agreed that this limited warranty, any claims arising from breach of contract, any breach of warranty, or any other claim arising, shall be governed under the laws of England and Wales. It is expressly understood that Warmup Sales Representatives, Engineers, Distributors, Sub-contractors and Sales and Technical Support Team Members have no authority whatsoever to bind Warmup to any agreement, warranty or remedy of any kind without the express written consent of Warmup Plc. WARMUP PLC. DISCLAIMS: •ANY WARRANTY NOT PROVIDED HEREIN INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE. •ANY STATUTORY OR IMPLIED WARRANTY OF HABITABILITY AS WELL AS ANY RESPONSIBILITY FOR LOSSES, EXPENSES, AND INCONVENIENCES, SPECIAL, INDIRECT, SECONDARY, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING FROM POSSESSION OR USE OF THE PRODUCTS AND ITEMS SOLD HEREUNDER. THIS WARRANTY DOES NOT AFFECT YOUR STATUTORY RIGHTS. The Warmup Safety Net Installation Guarantee for Underfloor Heating Pipe The Guarantee: If you accidentally damage a Warmup underfloor heating pipe BEFORE covering it with screed or other coverings, you may return the damaged coil of pipe to Warmup, who will replace the coil FREE OF CHARGE with pipe of the same length and type. Exceptions: 1.The Safety Net Guarantee does not cover any other type of damage, misuse, or improper installation due to improper adhesive or subfloor conditions. Limit of one free replacement coil of pipe of a maximum of 125m in length per customer, installer and/or property. 2.If at any point Warmup believes the damage to be malicious or intentional, they shall reserve the right to withdraw this guarantee. 3.Damage to the pipe that occurs after installing your system is not covered by the Safety Net installation guarantee. 4.You must purchase the Warmup Underfloor Heating system from a recognised reseller, and follow all recommended installation procedures written in the, at time of purchase, current Installation Manual. Failure to follow the instructions will result in the revocation of the guarantee. 9 tectora.indd 9 25/04/2014 12:05:09 Underfloor Heating Pressure Test Report Client : Installer Name : Installation Address : Address : Completion Date : Room / Area Circuit no. Pass Notes Signed by Tester : Print Name : Date: Witnessed by: Print Name : Date: This form must be completed and a copy sent to Warmup to validate the system warranty. 10 tectora.indd 10 25/04/2014 12:05:09 Notes 11 tectora.indd 11 25/04/2014 12:05:09 Warmup PLC 702 & 704 Tudor Estate Abbey Road London NW10 7UW Web: www.warmup.co.uk Email: uk@warmup.com Tel: 0845 345 2288 Fax: 0845 345 2299 V1.0 2014 tectora.indd 12 The WARMUP word and associated logos are trade marks. © Warmup Plc. 2014– Regd. TM Nos. 1257724, 4409934, 4409926, 5265707. E & OE. 25/04/2014 12:05:09
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