INSTALLATION MANUAL - Watts Water Technologies
Contents
1. Benefits of SmartTrac MDF Technical Data 46 lb ft 7 4 kg mm 130 Ib in 896 kPa 225 Ibs 102 kg 200 Ibs 91 kg Density Internal Bond Screw Holding Face Screw Holding Edge Flame Spread Rating Class 3 C Moisture Content 4 6 Thickness Swell 5 Linear Expansion 0 3 Average physical properties for 3 4 19 mm panel based on a5 panel average when tested in accordance with ASTM D1037 Emissions tested in accordance with ASTM E 1333 SmartTrac Panel 24 610 mm 1 Plas 8 4 305 mm 203mm 102 mm Hydronic radiant heating is the most comfortable and efficient way to heat your home or building with numerous construction benefits and unsurpassed flexibility in zoning SmartTrac is designed for the application of hydronic radiant tubing over a variety of construction types It may be used in new construction and is also advantageous in the growing retrofit market While only adding 5 8 16 mm to the existing floor height SmartTrac provides a superior performing radiant heating or cooling system Installation Friendly SmartTrac has all the intelligence you need built into it so that the vast majority of installations can be quickly accomplished using only the Standard panel For more complex installations the Utility panel can be used Construction Friendly SmartTrac avoids joist upsizing double plating and hardwood nailing strips assoc2. A floor temperature limiting sensor can be used to comply with flooring manufacturer s flooring temperature specifications IOM WR SmarttTrac 1340 Tile or stone over SmartTrac To prevent moisture damage install water resistant backer board over SmartTrac panels in areas with tile or stone Maintain a 2 51 mm minimum tubing clearance when screwing backer boards down Trowel apply thinset that is compatible with Pex pipe under the backer board In the kitchen baths laundry or any other area where water may be present a water sealant layer shall be used Where tile or stone is going to be thin set an antifracture membrane is recommended over the backer board to help prevent cracking Crack Isolation Membrane Tile or Stone 4 Backer Board SmartTrac Subfloor Radiant Tube Glue amp Cross Staple Crown or Screw Mortar Tile or Stone Crack Isolation Membrane Backer Board SmartTrac Subfloor Glue amp Cross Staple Radiant Tube Crown or Screw Carpet over SmartTrac For a lower resistance to heat transfer foam rubber pad and short high density carpet are recommended When installing the pad care should be taken to avoid puncturing tubing A thin layer of plywood underlayment under the pad will protect tubing from point loads High temperature latex adhesive can be used to attach the pad to the plywood underlayment Consider placement of carpet tack strips around the perimeter of
3. floors over radiant heat is to give extra care to wood species wood width and thickness moisture levels installation practices the heat output requirements of your system and radiant heating control BOARD WIDTH Install narrow board widths preferably 3 76 mm or less Avoid boards wider than 4 102 mm Narrow boards provide more gaps for expansion and contraction across a floor therefore gaps resulting from natural movement are much less noticeable The maximum recommended board depth is 3 4 19 mm Thicker boards add too much resistance to heat transfer DIMENSIONAL STABILITY Use quarter sawn wood It is significantly more dimensionally stable than wood that is plain sawn Pick a wood that s known for its dimensional stability American cherry ash most softwoods and teak fill this bill and oak is reasonably stable By contrast hickory maple madronne and American beech are known to be less stable AGE amp DRYING IN TROPICAL WOODS If you are importing tropical or exotic woods pay close attention to the source age and how the wood has been dried Tropical wood needs to dry slowly Quick drying creates stresses that can affect the wood later as it expands and contracts If your supplier has stored the wood in your region with no problems for one to two years surprise stress related problems are much less likely Avoid pioneering the use of a wood where there is little information on its dimensional stability MOISTU
4. information www watts com prop65 2013 Watts Radiant SmartTrac Radiant Panel Limited Warranty Watts Radiant the Company warrants its SmartTrac Radiant Panel the Product to be free from defects in materials and workmanship under normal usage for a period of one year from the documented date of installation of the Product In the event of defects within the warranty period the Company will replace the Product without charge This remedy is the sole and exclusive remedy for breach of warranty This warranty is transferable to subsequent owners Under this Limited Warranty the Company will provide the following In order to make a claim you must a Provide the Company with sufficient details relating to the nature of the defect the installation the history of operation and any repairs that may have been made b At the Company s discretion and at the owner s expense ship the Product to the Company or the Company s local representative or distributor c Provide proof that the Product was stored and installed in accordance with the applicable Product Installation Manual and any special written design or installation guidelines by the Company for this project d Provide a retail sales receipt or proof of purchase The following are not covered by this Limited Warranty a Any incidental or consequential damage including inconvenience loss of time or loss of income b Any labor or materials required to
5. into the groove The use of a tubing uncoiler is recommended Start at the intended manifold location and allow enough tubing as a leader to attach the tubing to the manifold You may then begin but make sure you understand the layout and where and how you will return to the manifold There is intentionally a tight tolerance between the ASTM F 876 PEX tube and the slightly undercut groove This allows the tubing to be retained in the grooves once it is pushed in place Usually this only requires walking the tubing into the groove as shown in the photograph below Occasionally tubing installation may require the use of a rubber or hide mallet to force the tubing in place in the grooves After installing a loop of tubing always walk the loop and make sure the tubing is fully in the groove for the entire length of the groove This is very important The top of the tubing should be just below the level of the top of SmartTrac and fully retained in the groove Pressure testing Once the tubing ends are connected to the manifold a water or air pressure test should be performed to ensure there are no leaks before installing the finished flooring 9 of 16 2013 Watts Radiant Flooring Installation There are common precautions to take for any flooring type as well as specifics based on the flooring material Make sure that the flooring installers understand how to avoid puncturing the tubing Some flooring
6. repair or replace the Product that are not authorized in writing by the Company c Any labor or materials required to remove repair or replace materials other than the Products d Any freight or delivery costs related to the Product or any related products Watts Radiant assumes no responsibility under this Limited Warranty for any damage to the Product caused by any trades people visitors on the job site or damage caused as a result of post installation work This Limited Warranty shall be invalidated by any abuse misuse misapplication or improper installation of the Products The staff at the Company is available to answer any questions regarding the proper installation or application of the Product at this toll free phone number 800 276 2419 USA International or 888 208 8927 Canada If you are ever in doubt about the correct installation procedure to follow or if the Product appears to be damaged you must call us before proceeding with the installation or proposed repair WATTS RADIANT DISCLAIMS ANY WARRANTY NOT PROVIDED HEREIN INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE WATTS RADIANT FURTHER DISCLAIMS ANY RESPONSIBILITY FOR SPECIAL INDIRECT SECONDARY INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING FROM OWNERSHIP OR USE OF THIS PRODUCT INCLUDING INCONVENIENCE OR LOSS OF USE THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE FACE OF THIS DOCUMENT NO AGENT OR REPRESENTATIVE OF
7. the area Ensure tack strips are at least 2 inches away from tubing Carpet Carpet Pad Plywood Backer Sheet SmartTrac Subfloor Radiant Tub Glue amp Cross Staple adiant lube Crown or Screw 10 of 16 Engineered wood over SmartTrac Many but not all engineered wood flooring products are suitable and recommended by the manufacturer for use with radiant floor heat Check before installing Many engineered wood flooring products have floor temperature limits that need to be observed as well Install engineered wood flooring crosswise to SmartTrac whenever possible It is recommended that engineered wood flooring installed over SmartTrac shall employ controls that gradually adjust water temperature going to the SmartTrac with a reset curve A floor temperature limiting sensor can be used to comply with flooring manufacturer s flooring temperature specifications Floating Engineered Hardwood in SmartTrac Subfloor Radiant Tube Glue amp Cross Staple Crown or Screw Traditional hardwood over SmartTrac A conventional nailed hardwood type system may be used directly over SmartTrac with nailing long enough to penetrate the subfloor and with the utilization of recommended controls When using glue attach hardwood to a 1 4 6 mm layer of plywood over the SmartTrac panels or use a glue that is compatible with high temperature polyethylene or PEX The key to installing wood
8. the boards should be screwed or cross stapled to the subfloor 1 24 mm long 8 screws are recom mended On full size pieces 24 x 24 610 mm x 610 mm 10 screws should be used 3 on each side and 4 in the middle This pattern is shown below blue arrows indicate attachment points When using staples instead of screws it is very important that the board is glued and stapled with the same quantity of glue and staple points as shown in the pattern above Cross stapling with a sheathing stapler is the fastest way to install SmartTrac 1 1 2 38 mm long 16 gauge staples are recommended Cross stapling means 2 staples are put closely together at opposing 45 angles 45 angle to the surface 8 of 16 Installing SmartTrac on walls or ceilings SmartTrac can be installed on walls and ceilings when additional capacity is required or when it s not practical to heat through the floor It is very important not to overheat sheetrock or discoloration or damage may occur Supply water temperatures should not exceed 120 F 49 C Wood blocking or a layer of plywood can be used to provide an adequate surface for attaching the SmartTrac panels The edges of all panels must be in contact with a solid surface Wall installations are commonly limited to a lower section to reduce the chance of puncturing Ensure proper alignment of panels using the same method with 6 152 mm lengths of pex as recommended for floor install
9. types such as traditional hardwood require very gradual temperature changes to prevent cracking and warping A maximum temperature is also a consideration Thermostats that include floor temperature sensing and control features can be purchased through Watts Radiant distributors Laminate or vinyl over SmartTrac Laminate vinyl and resilient flooring all require a thin underlayment to provide a smooth finish Underlayment plywood that has a grid printed on it helps locate tubing runs to prevent puncturing the tubing when the plywood is attached to the SmartTrac In water exposed areas such as kitchens and bathrooms a sealant layer should be applied over the plywood Laminate may also be installed over a polyethylene floor pad In the case of vinyl use underlayment filler and glues suggested by the manufacturer for use over radiant heat Attach required underlayment with care to not puncture tubing NOTICE Most vinyl flooring is manufactured to an ASTM standard with an upper limit of floor temperatures of 85 F 29 C This limit should be followed Vinyl Plywood Backer Sheet SmartTrac Subfloor Radiant Tube Glue amp Cross Staple Crown or Screw Laminate Flooring 7 Polyethylene Floor Pad SmartTrac Subfloor Radiant Tube Glue amp Cross Staple Crown or Screw Prevent damage to laminate flooring by using controls that gradually adjust supply water temperatures with a reset curve
10. with a rigid underlayment When using a leveling compound be sure to follow the manufacturer s recom mendations and allow the compound to dry completely before starting to install the floor Equipment required for installation over a wood subfloor The following is necessary for the installation of SmartTrac e Table or circular saw A carbide blade is recommended e Drill driver e Driver bit if screwing down boards e 5 8 16 mm drill bit if using supply and return bury points e Sheathing type pneumatic stapler if cross stapling panels IOM WR SmarttTrac 1340 6 of 16 e Rubber or hard hide mallet or roller for pushing tubing into groove e Chalk line marking pencils and square e Vacuum cleaner to clean grooves prior to installation of the tubing 6 152 mm pieces of 3 8 10 mm PEX used for aligning boards e Tubing uncoiler is recommended for installing tubing Installation Overview e Layout full boards e Add cut boards as necessary e Trace tubing layout to ensure the correct number of passes allowing entry and exit e Glue panels down ensuring alignment e Screw or cross staple panels e Vacuum grooves to remove debris e Trace tubing layout to ensure entry and exit points of tubing e Walk tubing in and attach to manifold e Pressure test Layout 1 Start at an exterior wall or wall furthest from the manifold and place the full boards into position Verify that there is room for an even number of pip
11. 77 82 C Average Water Temperature This chart shows average water temperature In order to calculate required supply temperature add half of expected delta T to the average i e add 10 F to the average if expected delta T is 20 F The performance above is based on typical construction practices and environmental conditions at 70 F 21 C room temperature Actual results may vary IOM WR SmarttTrac 1340 4 of 16 Understanding the Product SmartTrac comes in 2 patterns Standard and Utility The boards are assembled to make a continuous channel for the pipe Each piece measures approximately 24 x 24 x 5 8 610 mm x 610 mm x 16 mm thick The grooves are centered 8 203 mm apart SmartTrac cuts easily with a circular saw Standard Panel Almost every job can be done with this one board shape it may be easily cut with a circular saw or table saw into many useful additional shapes Utility Panel For more complex areas such as the perimeter of rooms or down long hallways the Utility Panel can be useful Various shapes can be cut from the Standard Panel to finish off areas of the room less than 24 610 mm Custom tubing paths can be cut See details on page 7 Tubing amp Tube Lengths SmartTrac is designed for use with 3 8 10 mm nominal ASTM F 876 PEX cross linked polyethylene or ASTM F 2623 PERT polyethylene of raised temperature with an aver
12. RE Wood naturally expands and contracts in response to changes in moisture With this in mind avoid installing wood flooring during stages like sheet rocking or painting when significant moisture may be introduced into a structure Operate the heating system until the humidity in the structure stabilizes to the average level expected for the area in which the wood floor will be installed Then allow the 11 of 16 wood to acclimatize to this humidity level by sticking usually several weeks before installation This will minimize dimensional changes due to moisture Make sure the wood is dry since radiant heat itself can be drying Experienced flooring installers recommend buying wood for radiant at around 6 to 8 percent moisture content This figure may change somewhat regionally Use a moisture meter during the construction process and then use the average of many readings Remember the average expected humidity level of a structure is an average of seasonal conditions So if the structure is expected to average 30 percent humidity in the winter and 50 percent in the summer the average would be 40 percent This equates to about a 7 5 percent moisture content in the wood Most installers consider this average the ideal moisture level at which to install wood flooring These numbers can vary significantly by region SURFACE TEMPERATURE The maximum surface temperature of a wood floor should be limited to 85 F 29 C Use a control st
13. Smart rac Radiant Panel Solution INSTALLATION MANUAL i Eime Ea Dan WattsRadiant An Introduction to Radiant the Smart Way This manual contains information related to radiant floor installations using the SmartTrac Radiant Panel Solution For design informa tion please consult Watts Radiant s RadiantWorks or LoopCAD Professional design software Many of the accessory items used with SmartTrac are mentioned in this manual New tools and accessory items are added to the Watts Radiant product offering on a regular basis Please refer to the Watts Radiant product catalog for current product information Additional product information may also be found at our web site www wattsradiant com Watts Radiant offers a wide range of support options from local whole salers and representatives to our factory direct toll free number When you select Watts Radiant your choice comes with an entire support team Table of Contents MEGO aid ie g mermenenetersre terasrerearetn rt A Wert err eras tre reat en enretre er 3 Smartirac Propertii senaniman aii 3 I SS al DA eana Ta ENE 3 Features amp Benefits of SmartfraC sesssssssssssssssscssssssessssssscssssssscsssscsscessessscessessseeses 3 Design amp PEMOMMANCe saranan a 4 Heat Loss Analysis and System De SIGN usssssccssssssscsssesssesesssesssecessassseceesssaseseees 3 R Value of Floor Assemblies ssssssssssssrssrssserssrerssrsssersseraser
14. WATTS RADIANT HAS ANY AUTHORITY TO EXTEND OR MODIFY THIS WARRANTY UNLESS SUCH EXTENSION OR MODIFICATION IS MADE IN WRITING BY A CORPORATE OFFICER some states provinces do not allow the exclusion or limitation of incidental or consequential damages and some states provinces do not allow limitations on how long implied warranties may last Therefore the above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state or province to province SO FAR AS IS CONSISTENT WITH APPLICABLE STATE PROVINCIAL LAW ANY IMPLIED WARRANTIES THAT MAY NOT BE DISCLAIMED INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF MANUFACTURE Effective September 1 2013 This warranty applies to all Products purchased after this date WattsRadiant A Watts Water Technologies Company USA Springfield MO Tel 800 276 2419 Fax 417 864 8161 e www wattsradiant com Canada Burlington ONT Tel 888 208 8927 Fax 905 332 7068 www watts ca IOM WR SmarttTrac 1340 EDP 2915098 2013 Watts Radiant
15. age outer diameter measuring 1 2 13 mm Loops shall never be over 300 ft 91 m including the leaders to the manifolds For areas with heat loss greater than 25 BTU sq ft loops shall never be over 250 ft 76 2 m This is due to high pressure drops and water velocity Friction losses in the chart are approximate actual friction losses depend on fluid viscosity and temperature Watts Radiant does not recommend the use of PEX or PERT tubing with an exposed outer oxygen barrier layer as this can lead to noise issues induced by contraction and expansion of the tubing Both RadiantPEX and RadiantPERT have a protective layer outside of the oxygen barrier and offer quiet operation with SmartTrac Pressure drop for 3 8 10 mm PEX PERT at various flow rates circuit lengths The shaded areas in the charts above indicate a high pressure drop It is recommended to use a shorter loop length in these cases Ei ee Ft of aes Max 1 133 ee S a C 06 30 20 33 200 os za 27 s Caw 0s za so s ft gpm Head at ft so on os 250 02 24 03 50 o ee 350 05 na ET E E ES gpm Head a ft a S a oo os wa 20 2 300 o8 321 27 To 300 09 396 s0 200 5 of 16 2013 Watts Radiant Preparing for Installation Estimating the required tubing In order to calculate the length of pipe required multiply the total square footage by 1 5 Then add the lengths required to attac
16. al R Value Per Inch Typical Thickness Typical R Value Plywood 1 1 3 4 19 mm 0 825 OSB 1 4 3 4 19 mm 1 05 Softwood 1 1 3 4 19 mm 0 825 Sheet Vinyl 1 6 1 8 3 mm 0 2 Vinyl Composition Tile 1 6 1 8 3 mm 0 2 Linoleum 1 6 1 4 6 mm 0 4 Linoleum 1 6 1 8 3 mm 0 2 Dense Rubber Flooring 1 3 21 64 8 mm 0 25 Recycled Rubber Flooring 2 2 1 2 13 mm 1 1 Cork 3 1 1 2 38 mm 1 125 Cork MDF Laminate 2 35 1 2 13 mm 1 175 Brick 2 25 1 1 2 38 mm 3 375 Marble 0 8 1 2 13 mm 0 4 Ceramic Tile 1 1 4 6 mm 0 25 Thinset Mortar 0 4 1 8 3 mm 0 05 MDF Plastic Laminate 1 1 2 13 mm 0 5 Laminate Floor Pad 1 92 5 32 4 mm 0 3 Engineered Wood 1 1 4 6 mm 0 25 Engineered Wood 1 3 8 10 mm 0 375 Engineered Wood 1 5 8 16 mm 0 625 Engineered Wood 1 3 4 19 mm 0 75 Engineered Wood Flooring Pad 1 6 1 8 3 mm 0 2 Engineered Bamboo 0 96 3 4 19 mm 0 72 Oak 0 85 3 4 19 mm 0 638 Ash 1 3 4 19 mm 0 75 Maple 1 3 4 19 mm 0 75 Pine 1 3 3 4 19 mm 0 975 Fir 1 2 3 4 19 mm 0 9 Carpet Pad Slab Rubber 33lb 1 28 1 4 6 mm 0 32 Carpet Pad Slab Rubber 33lb 1 28 3 8 10 mm 0 48 Carpet Pad Slab Rubber 33lb 1 28 1 2 13 mm 0 64 Carpet Pad Waffle Rubber 25lb 2 48 1 4 6 mm 0 62 Carpet Pad Waffle Rubber 25lb 2 48 1 4 6 mm 1 24 Carpet Pad Frothed Polyurethane 16lb 3 53 1 8 3 mm 0 53 Carpet Pad Frothed Polyurethane 12lb 3 48 1 4 6 mm 0 87 Carpet Pad Frothed Polyurethane 10lb 3 22 3 8 10 m
17. ations Once the panels are installed clean the groove with a vacuum just prior to tubing installation Add steel plate protectors over tubing where tubing crosses studs Installing SmartTrac over concrete Successful installation of SmartTrac over concrete requires special care When installing over concrete moisture considerations must be carefully addressed to prevent damage to the panels Moisture in the concrete should be tested according to ASTM F 1869 Calcium Chloride Moisture Test using the Quantitative Method With a calcium chloride test the maximum acceptable reading is 3 lbs 4 hours 1 000 Sq ft New concrete slabs and basements must be cured for a minimum of 60 days prior to installation NOTICE It is strongly recommended that all slabs below grade and slabs on grade be sealed against moisture penetration before install ing SmartTrac by means of vapor barriers or product such as Hydroment Ultraseal that is a sealant and an adhesive Slabs that are on or below grade commonly require insulation to prevent downward and perimeter heat loss Check with local authorities for recommended guidelines on insulating radiant systems Details about installation of floor coverings over SmartTrac on a concrete floor are provided later in this brochure Installing tubing in the grooves First vacuum the grooves to remove any debris Failure to do so may damage the tubing or keep it from going properly
18. e passes which allow supply and return connection 2 Fill in the remaining full boards 3 Add cut boards to the layout as necessary to accommodate for the room lengths and the supply and return paths to the manifold Allow for a 1 32 0 8 mm gap between the cut ends similar to the natural spacing of uncut boards This provides room for expansion and contraction of the material POO Pee T POT POCO 0000000000000000000000 When cutting the boards a circular or table saw with a high tooth count carbide blade will produce a smoother finish Rough cut blades are not recommended It is important that panels be cut squarely to keep the alignment of grooves accurate in the installation Where possible 8 203 mm cuts are recommended Creating Custom Paths Both Standard and Utility panels can have custom paths added by using a router Rotozip or jigsaw When cutting pipe paths leave edges with a smooth finish to prevent damage to tubing 1 Trace the outline of a gentle curve using a length of pipe or a curve template 2 Clamp the panel to a workbench 3 Using a jigsaw Rotozip or router with 1 2 13 mm round nose bit set to the proper depth remove material between the traced lines 4 Test fit the path with a section of pipe before attaching the panel to the subfloor A WARNING Cutting tool operators shall wear eye protection and follow all rules and practices for safe operation of the cut
19. eferenced 10 Make sure the heating system has been running and the space has been maintained at least 65 F 18 C long enough that temperature and humidity have stabilized to predicted future levels 11 The flooring product shall be allowed to acclimatize before installation 12 Use woods that are known to be dimensionally stable 2013 Watts Radiant Installing SmartTrac Over Concrete During the design process consider that moisture content in slabs can vary seasonally and due to yearly climatic variations SmartTrac may be installed over concrete using the following 3 methods only when the installing parties are willing to assume full responsibility for any installation issues regarding moisture and attachment of SmartTrac to concrete Bonding to concrete using sealant and adhesive SmartTrac may be installed directly over concrete slabs only when the contractor has verified that moisture conditions will be adequately controlled by the use of a sealant on the slab or a vapor barrier under the slab When using a sealant and adhesive on top of the slab the sealant may be a combination sealant wood adhesive such as Hydroment Ultra Set Advanced or the sealant and adhesive may be two separate but compatible products Radiant Tube SmartTrac Waterproofing Adhesive Concrete slabs which are attached to radiant heating systems should typically have insulation between the soil and the co
20. h each loop to the manifold Example For a 500 Sq Ft room multiplying 500 by 1 5 gives 750 lineal feet of 3 8 10 mm PEX PERT tubing required for the floor Adding 4 feet to each loop for a connection to the manifold brings the total to 762 feet or 3 loops of 254 feet Metric example 46 5 ft room multiplied by 1 5 equals 69 75 lineal meters of pipe Add 1 2 m per loop for manifold connections to total 74 55 meters of pipe or 3 loops of 24 85 m Radiant systems perform the best when the loops are of an equal length A pipe loop layout diagram like the one shown below can help in planning your installation Visit WattsRadiant com SmartTrac to see other loop layout examples Manifold pa Example Pipe Loop Layout Installation Estimating the required number of panels The following calculations can be used for estimating the required number of panels For experienced installers use the following formula square footage divided by four plus 2 for waste Example For a 600 Sq ft room dividing 600 by 4 gives 150 panels It is always recommended that an additional 2 material excess be added to the estimation for waste Adding a 2 waste factor would provide a total of 153 boards Each panel is 24 x 24 or 4 square feet Metric example 55 75m room divided by 0 371 150 panels To add 2 waste factor multiply by 1 02 with a result of 153 Doing an exact layout will give the mo
21. iated with gypsum based concrete radiant heating systems Also SmartTrac eliminates substantial drying costs required by moisture laden concrete and gypsum based cement Time is money SmartTrac eliminates scheduling and curing delays Cost Friendly SmartTrac is installed using conventional construction practices and commonly used tools With a layout plan SmartTrac panels can be quickly and systematically arranged on the subfloor Not only are the boards light weight they are also easy to handle cut and attach Flooring Friendly SmartTrac provides a quality flat surface for floor covering assemblies Each of these flooring assemblies are detailed later in this manual e Hardwood e Carpet e Engineered Wood e Laminate e Tile Stone e Vinyl Resilient Flooring Green Product SmartTrac is made from certified MDF with a high recycled wood content SmartTrac also meets CARB ATCM 93120 Phase 2 emission requirements 3 of 16 2013 Watts Radiant Design amp Performance Heat loss analysis and system design Systematic heat loss and design for the structure to be heated should be done prior to any installation of SmartTrac As with all radiant heating jobs a detailed and accurate heat loss must be calculated in order to determine proper design conditions R Value of floor assemblies While SmartTrac will work with a wide variety of floor coverings it is important to realize that all floor coverings
22. m 1 2 Carpet Pad Frothed Polyurethane 10lb 3 22 1 2 13 mm 1 61 Hair Jute 3 88 1 2 13 mm 1 94 Hair Jute 3 88 21 64 8 mm 1 25 Synthetic Fiber Pad 20 oz 1 8 15 64 6 mm 0 421 Synthetic Fiber Pad 27 oz 1 98 18 64 7 mm 0 545 Synthetic Fiber Pad 32 oz 2 1 19 64 8 mm 0 63 Synthetic Fiber Pad 40 oz 2 2 11 32 9 mm 0 77 Prime Urethane 4 3 21 64 8 mm 1 4 Prime Urethane 4 3 1 2 13 mm 2 15 Bonded Urethane 4 2 21 64 8 mm 1 35 Bonded Urethane 4 2 1 2 13 mm 2 1 Carpet 2 8 1 4 6 mm 0 7 Carpet 2 8 3 8 10 mm 1 05 Carpet 2 8 1 2 13 mm 1 4 Carpet 2 8 5 8 16 mm 175 Carpet 2 8 3 4 19 mm 2 1 Wool Carpet 4 2 3 8 10 mm 1 575 Wool Carpet 4 2 1 2 13 mm 2 1 13 of 16 2013 Watts Radiant Example panel layout for 5 circuit system IOM WR SmarttTrac 1340 14 of 16 Q MASTER BEDROOM MANIFOLD 1 HER CLOSET HIS CLOSET 15 of 16 MASTER BATH WARNING This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm For more
23. ncrete along the edge perimeter and beneath Recommended R values vary with climate Heating non insulated slabs may increase heat loss and energy use Plywood over concrete with vapor barrier or waterproofing SmartTrac may be installed on 5 8 16 mm T amp G treated plywood with a vapor barrier or waterproofing over concrete slabs only when the contractor has verified that moisture conditions will be adequately controlled by the use of a sealant on the slab or a vapor barrier over or under the slab Cross Staple Crown or Screw Radiant Tube SmartTrac 5 8 16 mm Treated Plywood Vapor Barrier or Waterproofing IOM WR SmartTrac 1340 12 of 16 Plywood over concrete with foam insulation and vapor barrier or waterproofing SmartTrac may be installed on 5 8 16 mm T amp G treated plywood over foam and with a vapor barrier or waterproofing over concrete slabs only when the contractor has verified that moisture conditions will be adequately controlled by the use of a sealant on the slab or a vapor barrier over or under the slab Cross Staple Crown or Screw Radiant Tube SmartTrac 5 8 16 mm Treated Plywood S Foam Insulation ye Vapor Barrier or Waterproofing Appendix A R Value of Typical Flooring Materials Materi
24. nd the manifold to the subfloor with clips A grout may then be used to cover the tubing and level it to SmartTrac If needed sleepers are placed in between tubing to provide a nailing or screwing base for floor coverings Use nailing plates as necessary to protect tubing from damage Depending on how many circuits are on a given manifold various sizes of sheets or grouting area are required AEN ee ae S EN A gt eh a a a ae N How to align the grooves correctly The easiest way to assure the grooves for the pipe are correctly aligned between boards is to cut 6 152 mm pieces of 3 8 10 mm ASTM F 876 PEX PERT and use them as alignment tools To do this get the boards close to the desired alignment and press a piece of tubing in each groove lapping 3 76 mm into the groove of each board as shown below After the board is attached these should be removed IOM WR SmarttTrac 1340 Attaching SmartTrac to a subfloor Each SmartTrac panel should be glued to a wooden subfloor using construction adhesive type glue at a minimum 1 8 3 mm bead in the gluing pattern below Every board should be glued The glue may be applied to the underside of the board or to the floor NOTICE Avoid getting glue in the groove or where it may come in contact with the tubing Many glues can damage PEX PERT tubing Screw or cross staple boards to the subfloor After you have glued SmartTrac
25. ng and wall applications It is made of high recycled content MDF The dense board spreads the heat evenly and quickly from the hydronic tubing that snaps easily into the channel SmartTrac heats rapidly and is easy to control with setback thermostats for maximum energy efficiency It contains just enough thermal mass to be effective but not so much that it is difficult to control No other product offers this combination of performance ease of installation cost effectiveness and ecologically responsible construction SmartTrac Properties Dimensions 24 x 24 x 5 8 610 mm x 610 mm x 16 mm Standard 8 95 Ibs 4 06 kg Panel Weight Utility Panel 8 65 Ibs 3 92 kg Weight Tube Spacing 8 203 mm O C MDF Board Awarded CARB ULEF Exemption Products meet CARB ATCM 93120 Phase 2 emission requirements Meets physical proper ties of ANSI A208 2 2009 Grade 130 U S Patent 6 533 185 and Patents Pending NOTICE Due to the nature of MDF it is susceptible to deformation and damage from moisture Ensure that SmartTrac panels are protected from moisture at all times Store in a dry area with a temperature range between 40 and 90 F 4 to 32 C Avoid prolonged exposure to sunlight Be sure to follow all instructions in this manual regarding protecting the board from prolonged moisture contact If these instructions are not followed expansion can create undesirable effects Features amp
26. offer a resistance to heat transfer indicated by their R Value As with any radiant floor system if the R value of the floor coverings is excessive performance may be compromised and require a higher average water temperature 150 F 66 C is the maximum supply water temperature that can be used with SmartTrac See Appendix A for R values of typical floor coverings System Output While an accurate heat loss analysis is the preferred method to design a system the performance chart below can be used to estimate system output with different floor coverings This chart shows the steady state performance of SmartTrac To the left are the BTU Sq Ft Hour The diagonal lines represent the resistance of the floor coverings on top of SmartTrac Along the bottom is the average water temperature required to achieve the output The chart is read by selecting the correct BTU requirement and then moving horizontally until you find the line indicating the correct R Value of the floor assembly on top of SmartTrac At that point drop down vertically to see average water temperature Performance Chart for SmartTrac R 0 25 R 0 50 50 nR 0 75 45 R 1 0 _ AO x 35 Rais R 2 0 30 S 2 R 25 5 25 O R 3 0 0 20 U T o 15 LL 10 5 0 70 80 90 100 110 120 130 140 150 160 170 180 F 21 27 32 38 43 49 54 60 66 71
27. rategy that ensures this will not be exceeded Use an indoor or outdoor reset control that brings the floors to temperature gradually Solid Hardwood Floor SmartTrac Subfloor Radiant Tube Nail Hardwood through SmartTrac to Subfloor Glue amp Cross Staple Crown or Screw Installation requirements for hardwood floors 1 Avoid nailing the tubing by installing wood flooring lengths in a direction perpendicular to the direction of tubing 2 Hardwood floor joints shall not be installed directly over a SmartTrac panel joint 3 Hardwood floor nails shall be long enough to penetrate both hardwood and subfloor 4 Hardwood floors installed directly over SmartTrac shall employ controls with a reset curve that gradually adjusts supply water temperatures The floor will expand and contract gradually with temperature changes This will reduce the likelihood of warping gapping or shrinkage problems The use of a floor temperature limiting sensor is recommended 5 Install strip wood flooring with mallet driven nails and nails penetrating SmartTrac 6 Structure humidity shall be kept within the range specified by the flooring manufacturer 7 The wood flooring shall be installed at the relative humidity recommended by the manufacturer for the climate involved 8 Use narrower 2 to 3 1 2 51 to 89 mm strips of wood flooring over radiant floors 9 The lessons of local practice and climate shall be r
28. sssraseteseresetrrerersternrrserrnsrrsnnens 3 O a eTInT CERT re SNTTE Suntr roar reir Tien rrrvictee etnrerenrerenrrtT err ttrne Wirt er are 3 Understanding the Product csssssssssssssssssssscssscsssssssssssssssssssscsssssecsscssessssssssessesecesees 5 TUPAC Se TUNE Leng Me szsccsscescessstecsusssacsssavatenncnseaiaseariauaneneraaistanenseanen aamameneniO 5 Pressure Drop Car S setenv cence cacti rset nant actonusausansie a ctastnsmimeiee J Preparing for Installation sssssssssssssssssssssssssssssssssssssssssssssnssrsssssssrsssssssrssssssssrsssssssrsssssss 6 Estimating the required TUDING cescscscsssesccssesssessesssesesecesecssescssecssecsesesensvesesesasseseess 6 Estimating the required number of panels sss sssssssssssssrssressrrssrersrrssrerssrrssereserssnnss 6 General floor surface FEQUIFEMENTIS s sssssisssrssssrsssrrsssrissrrrssrrressrrrssrrsssrrsssrrsssrrssan 6 Wood subfloor requirements saccvnssisecsstssectsiccscinsteipsastnicnsdcentcasest ecstonaessnbabatstecisboassite 6 Astala HO A 6 Equipment required for installation over a wood SUDPOOL Luss 6 Installation OVEN VIS Wassira Aa RE 7 IE 6 0 ieueeemreee meme nreere ereecrnere wre mre ones eeratveree rer aerrrtenrSrsTn a nenerser enrtMrrnrresre reir seer tnrter nr erttThreey 7 eana 8 tLe ang O cle gic em mee mre rere E ree Tere ree arene tence nen Tene nt en otra 7 IVA e SE e E vectra E AEN AET AE A 8 Attaching Smartirac toa SUDPIOOL veccssssssssssessssssssssssesssss
29. ssssssseesssssssssssseessessnsen 8 Stalling Smartrac On Walls or Ceilings cccsssitvresnmaieimmnednnannintunniens 9 Installing SrmartTrac over Concrete csessscsscsssesesesessseseessecsssesesssessnescsssasseseseseseseseees 9 Installing tubing in TNE GrOOVES csescsssesssesesssenssesecssosseseccsecssececsssesseesesssasssecesesnseseees 9 Cale 10 Goa N ewe eaten Oe Ror Ree cet Sate eT mY Seer neti aver ae vonee ee tart 9 LOOMING IS EcINATIONN sscsestsccysscescsssatarsetuseseasesetacedesssucannasuoraeaiseaeates ie tunactea teases 10 Installing SmartTrac Over Concrete uu sessssssssssssssssscsnessscssessecssccsscsscssscesseseeseeses 12 Appendix A R Value of Typical Flooring Materials cssssssssssssssesssesseeeseeene 13 Example panel layout for 5 Circuit system sesssessssessesssssssscssscssecssssssecssessseessees 14 baie 1a el U8 eatereoe emer nore een rater A 16 qerstanding Safe 6 atio A WARNING To avoid serious personal injury or property damage e Read Manual and all product labels BEFORE using this product and follow all safety and use information Failure to do so could result in personal injury or property damage e Do not use unless you know the safe and proper operation of equipment required for installation e It is the installers responsibility to ensure that this product is safely installed according to all applicable codes and standards e Keep this Manual available for easy access by all
30. st accurate estimate of panels needed Cutting the boards on multiples of 8 203 mm will make off cuts more useful and reduce waste Small gaps may be filled with standard 5 8 16 mm material General floor surface requirements The surface of the subfloor must be flat The requirement for flatness is defined as the maximum difference between two adjacent high points and the intermediate low point The maximum acceptable difference in level is 3 16 5 mm across a span that is 10 feet 3 m in diameter Fill excessive voids or low areas using a leveling compound Allow the leveling compound to dry thoroughly before beginning the installation Check with the leveling compound manufacturer to be sure it is appropriate for the application High areas can be ground down or floated over with a self leveling compound The surface of the floor must be clean and dry Wood subfloor requirements Wood subfloors must have a stable moisture content between 6 to 10 Creaking subfloors must be repaired before installation If the subfloor sags inspect the joists below for twists or weakness If the subfloor is cupped or uneven at the joints recheck the moisture content of the subfloor to be sure it is in the 6 10 range Check for excessive moisture in the crawl space or basement and look for other signs of a potential water problem High areas are sanded or planed low areas are patched or filled with an appropriate leveling compound or covered
31. ting tool Make sure the panel is safely secured during cutting Watts Radiant specifically disclaims liability for any installer use of cutting tools Utility panels provide 4 102 mm spacing and the ability to create a custom path This flexibility can be useful for areas where multiple circuits pass through a hallway or converge near doorways and manifolds When creating custom paths using the utility panel ensure that both the pipe and finished flooring are well supported by leaving the smallest gaps possible Designers should take care when using the 4 102 mm spacing on multiple utility panels for example down a hallway as overheating could occur due to the tighter pipe spacing 7 of 16 2013 Watts Radiant Manifold detail Manifolds are usually located in a space with an access panel near the heating zone they serve in places like in the back of a closet The tubing may be routed to the manifold in four ways 1 Use SmartTrac utility panels to provide a 4 102 mm tube spacing in front of the manifold Drill holes in the panels and subfloor to route tubing under the floor in front of the manifold Bring tubing back up through holes that align with the manifold connections Place a 5 8 16 mm solid MDF OSB or Plywood sheet next to the manifold Use a router to custom groove supply and return lines from the manifold to the adjacent standard panels Attach tubing between the closest panel a
32. users Replacement Manuals are available at WattsRadiant com NOTICE This manual only covers installation of Watts Radiant s SmartTrac This is not a design manual For design assistance we encourage you to contact us or our representatives for a design analysis using RadiantWorks or LoopCAD Professional system design software Before designing or installing a radiant heating or cooling system you should always consult with local experienced design and installation professionals to ensure compliance with local building practices climate conditions state and local building codes and past customs This is a safety alert symbol The safety alert symbol is shown alone or used with a signal word WARNING or CAUTION a pictorial and or a safety message to identify hazards When you see this symbol alone or with a signal word on your equipment or in this Manual be alert to the potential for death or serious personal injury This symbol identifies hazards which if not avoided could result in death or serious injury This symbol identifies hazards which if not avoided could result in minor or moderate injury This symbol identifies practices actions or failure to act which could result in property damage or damage to the equipment IOM WR SmarttTrac 1340 2 of 16 Introduction The SmartTrac Radiant Panel is non structural and designed specifically for subfloor ceili
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