120 Volt USDW-M Matting System Installation Manual
Contents
1. NOTE The Warmup thermostat can switch up to 16 amps If you are installing more than two heaters you will require a junction box NOTE The mesh size may vary between 5 due to manufacturing tolerances How can you modify USDW M In order to fit your USDW M into a specific area it may be necessary to cut and turn the mat examples below t NEVER cut the space heating cable When cutting and flipping a flip USDW M take care not to cut or damage the space heating lt s lt cable Never allow strips of mesh to overlap If you remove the wire from the mesh for a custom layout maintain a min 2 max 4 spacing between the heating cable cut amp remove mat cut amp remove mat ifr tic il Testing USDW M Test the Heater Once the space heating cable layout has been completed ensure that the heater is working properly Using a digital ohmmeter or multi meter check the resistance of the space heating cable and continuity of the protective ground braid Please note that analog meters with a moving needle are not sufficiently accurate for testing the Warmup heater Set your Ohm meter to measure in 0 200 Ohms Acceptable readings of these ohms resistance measurements between the black amp white wires should fall within 15 of the values indicated on page 8 There should NOT be any continuity between the ground wire and either of the white wire or the black live wire Any con2. Breaker Box white L2 Contactor provided by Undertile installer Heater s Control black Load white Sensor Sensor wire no polarity NOTE All electrical work must be performed by a qualified electrician in accordance with local building amp electrical codes and the National Electrical Code NEC especially Article 424 Part V of the NEC ANSIINFPA 70 NOTE Wiring for L1 is usually black live and wiring for L2 is usually white as used for Neutral Subfloor Preparations To fully utilize the long term durability of ceramic tiling whether heated or not it is important that the design construction and preparation of the subfloor is carried out correctly It is essential that the sub floor be sufficiently rigid to support the ultimate weight that it will have to bear without movement or deflection The choice of products for subfloor preparation and tile will vary depending on the existing subfloor preferred tiling system and choice of tile This document is only intended to be an outline guide to lay ing ceramic floor tiles Further help regarding floor preparation and tile application is available from the tile adhesive manufacturers and or the Tile Council of America TCA Tel 864 646 8453 website www tileusa com Alternatively you may wish to seek professional advice e g an architect or contractor Subfloor Preparation Prior to heater installation it is important that th
3. project the National Electrical Code NEC the Canadian Electrical Code CED and all applicable local building and electrical codes and 3 Provided Warmup heaters are installed under ceramic tile marble and natural stone surfaces 4 During the period of Warranty Warmup will arrange for the heater to be repaired or at its discretion have parts replaced free of charge The costs of repair or replacements are your only remedy under this Warranty Such cost does not extend to any cost other than direct cost of repair or replacement by Warmup and does not extend to costs of relaying replacing or repairing any floor covering or floor 5 If Warmup Inc determines the repair of the product is not feasible we will replace the product with equal or similar features and functionality at Warmup s sole discretion WARMUP S MAXIMUM LIABILITY IS LIMITED TO THE ORIGINAL PURCHASE PRICE OF THE HEATER MULTIPLIED BY THE PERCENTAGE OF THE WARRANTY PERIOD REMAINING EXCLUSIONS Warmup Inc shall in no event be liable for incidental or consequential damages including but not limited to extra utility expenses or damages to property This Warranty is null and void if 1 The floor covering over the heater s is damaged lifted replaced repaired or covered with subsequent layers of flooring 2 The heater fails due to damage caused during installation or tiling unless damage is caused directly by an employee of Warmup It is therefore essential to check that
4. the heater is working as specified in the installation manual prior to tiling Damage as a result of floods fires winds lightning accidents corrosive atmosphere or other conditions beyond the control of Warmup Inc Use of components or accessories not compatible with Warmup heaters Warmup products installed outside the United States Parts not supplied or designated by Warmup Inc Damage or repair required as a result of any improper use maintenance operation or servicing Failure to start due to interruption and or inadequate electrical service Any damage caused by frozen or broken water pipes in the event of equipment failure 0 Changes in the appearance of the product that does not affect its performance 1 The owner or his her designated representative attempts to repair the product without receiving prior authorization from Warmup Upon notification of a repair problem Warmup Inc will issue an Authorization to Proceed under the terms of this Warranty If Warmup is required to inspect or repair any defects caused by any exclusions referenced above all work will be fully chargeable at Warmup s inspection and repair rates then in effect WARMUP INC DISCLAIMS ANY WARRANTY NOT PROVIDED HEREIN INCLUDING ANY IMPLIED WARRANTY OF THE MERCHANTABLE OR IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE WARMUP INC FURTHER DISCLAIMS ANY RESPONSIBILITY FOR SPECIAL INDIRECT SECONDARY INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISI
5. IMPORTANT Read this manual before a Incorrect installation could da armup The world s best selling electric floor heating brand 120 Voit USDW M Matting System Installation Manual Maw SIATE UL Pai er eee pe TECHNICAL HELPLINES ttempting to install your heater mage the heater and w ill invalidate US 1 888 92 7 6333 Contents Do s and Don ts 3 Electrical Considerations 4 5 Subfloor Preparations 6 7 About USDW M 8 How you can modify USDW M 8 Testing USDW M 9 Before Installing USDW M 9 Installing USDW M 10 Warranty Exclusions and Terms and Conditions 11 12 Before you start Double check your measurements and ensure you have the right heater sizes for the area you need to heat Bear in mind that the heating element should not be installed under appliances or permanent fixtures and fittings such as refrigerators washer dryer cabinets tubs vanity units etc Below is a quick reference guide Area ft Heaters 10 USDWM 140 120 15 USDWM 210 120 20 USDWM 280 120 25 USDWM 350 120 30 USDWM 420 120 42 USDWM 710 120 60 USDWM 840 120 If you are missing any of the box contents or believe you have the incorrect heaters to cover the area required please call 888 927 6333 for assistance There will be other materials you need to complete the project which are not included within the heating system These include e Digital ohm multimeter For space heating cable testing e A 4 double g
6. NG FROM OWNERSHIP OR USE OF THIS PRODUCT INCLUDING INCONVENIENCE OR LOSS OF USE THERE ARE NO WARRANTIES THAT EXTEND BEYOND THE FACE OF THIS DOCUMENT NO AGENT OR REPRESENTATIVE OF WARMUP INC HAS ANY AUTHORITY TO EXTEND OR MODIFY THIS WARRANTY UNLESS SUCH EXTENSION OR MODIFICATION IS MADE IN WRITING BY A CORPORATE OFFICER DUE TO DIFFERENCES IN BUILDING AND FLOOR INSULATION CLIMATE AND FLOOR COVERINGS WARMUP INC MAKES NO REPRESENTATION THAT THE FLOOR TEMPERATURE WILL ACHIEVE ANY PARTICULAR TEMPERATURE OR TEMPERATURE RISE UL STANDARD LISTING REQUIREMENTS LIMIT THE HEAT OUTPUT OF WARMUP UNDERTILE HEATING AS SUCH USERS MAY OR MAY NOT BE SATISFIED WITH THE FLOOR WARMTH THAT IS PRODUCED WARMUP DOES WARRANT THAT ALL HEATERS WILL PRODUCE THE RATED WATT OUTPUT LISTED ON THE HEATER NAMEPLATE WHEN OPERATED AT THE RATED VOLTAGE TERMS AND CONDITIONS Shipping Discrepancies Incoming materials should be inventoried for completeness and for possible shipping damage Any visible damages or shortages must be noted prior to accepting the material Any discrepancy concerning type or quantity of material shipped must be brought to the attention of your Warmup reseller within 15 days of the shipping date entered on the packing slip for the order Miscellaneous The terms of this Limited Warranty are exclusive and supercede any other warranty or terms and conditions relating to the subject matter whether included in a purchase order for this product or in any o
7. ang electrical box for the thermostat with a mud square e Tile installation products and tools e Scissors NOTE Please ensure you do not damage the wire Be sure to test the system BEFORE you tile See pg 9 for more details Warmup undertile heating cable for installation in floors If these instructions are followed you should have no problems However if you require assistance at any stage please call our helpline at 888 927 6333 Warmup Inc the manufacturer of USDW M accepts no liability expressed or implied for any loss or consequential damage suffered as a result of installations which in any way contravene the instructions that follow Do s and Don ts DO Carefully read this installation manual before commencing installation Use a qualified installer Ensure the system is tested before during and after installation Plan your USDW M layout and installation so that any drilling after tiling e g for installing cabinets threshold strips will not damage the space heating cables Check USDW M is working immediately be fore commencing tiling Take particular care when tiling not to dis lodge or damage the space heating cable Wear gloves to prevent irritation from the fibre glass mesh If you remove the wire from the mesh for a custom layout maintain a min 2 max 4 spacing between the heating cable Make sure that ALL space heating cable is positioned under the tiles in the ins
8. ation dramatically enhances the performance and efficiency of floor warming systems Subfloor Preparations The Heater wire installation shall be in accordance with one of the illustrated methods as per this manual The heater wire is not intended to be installed directly upon the subfloor Using plywood Ensure adequate underfloor ventilation Secure existing floorboards and if necessary pre level with a latex cement self levelling compound to give a flush fit for the subsequently applied plywood Refer to Tile Council of America guidelines regarding sealing the backs and edges of the plywood before attaching Attaching ply directly to the joists will not provide a sufficiently stable floor finish to accept tiles fitting tongue and groove flooring and then over boarding with ply or a tile backer board is recommended A rigid base is essential Using insulated tile backer board Attach the tile backer board as per manufacturer s instructions For best results and for ease of installation Warmup recommends the use of an extruded polystyrene building or insulated tile backer board with a cement based facing such as Warmup Insulation Board After attaching the board to the subfloor the Warmup Undertile Heating System may be laid directly on top of the tile backer building board and then tiled over It is important to ensure that the tile adhesive and grout used are flexible and that the tile backer building board has bee
9. d and enforced in accordance with the laws of the State of Connecticut This 30 Year Warranty applies 1 Only to the original homeowner s from the date of purchase 2 Only if the unit is registered with Warmup within thirty 30 days after purchase Filling out the card accompanying this warranty in its entirety will complete registration In the event of a claim proof of purchase is required i e invoice and receipt Such invoice and receipt should state the exact model that was purchased and 3 Only for the duration of the Lifetime of the floor covering under which it was originally installed if the purchaser of the heater remains the owner of the residence in which it was installed If the original purchaser sells such residence the warranty will transfer and continue for the duration of the 30 years from date of purchase 4 Only if the heater has been grounded and protected by a GROUND FAULT CIRCUIT INTERRUPTOR GFCI at all times COVERAGE 1 The warranty period begins on the date of purchase Registration is effective only when a letter of confirmation is sent by Warmup Inc 2 Warmup s Undertile Heater is guaranteed by WARMUP INC Warmup to be free from defects in materials and workmanship under normal use and maintenance for thirty 30 years provided the Product is installed in accordance with the accompanying Warmup installation manual any special written design or installation guidelines by Warmup Inc for a particular
10. e subfloor is properly prepared as per Tile Council of America Guidelines WOOD SUBFLOOR Boards need to be of suitable material or requires backer board Chipboard and O S B boards flake boards are not suitable bases for ceramic floor tiling SUBFLOOR PREVIOUSLY COVERED IN LINOLEUM CORK OR CARPETING All old flooring and adhesive must be removed If bitumen is present as adhesive residues it must be removed If the bitumen is a damp proofing membrane or isolation membrane it must be covered with a minimum 2 of sand cement self leveler taking care not to puncture the bitumen coating If using other damp proofing or tanking sys tems contact the manufacturer for advice We strongly recommend installing tile and stone flooring according to manufacturer s recommendations TCA guidelines and ANSI specifications Special Precautions MOSAIC TILE AND PORCELAIN When installing mosaic tile and CERTAIN PORCELAIN we recommend a two step process Cover the space heating cable with latex self leveling compound before tiling to ensure a flat smooth surface then thin set the mosaic according to typical practice EXPANSION JOINTS Do not install the space heating cable through an expansion joint Install the space heating cable right up to the joint if necessary but do not bridge the joint INSULATION Do not install rigid insulation directly above or below backer board or mortar If possible install insulation as shown in diagrams Insul
11. l work unless you are competent to do so Do make sure all electrical work is done by qualified persons in accordance with local building and electrical codes the National Electrical Code NEC especially article 424 Part V of the NEC ANSI NFPA 70 All work must conform to current National and local codes Always follow the instructions and if in any doubt consult a qualified electrician Electrical Considerations Typical Wiring for a Thermostat GFCI Control to an Existing Breaker Dedicated 110 120V Circuit as per NEC Heater s ground Ground green bare Heater s Breaker black black Box Control Live black L1 black Undertile white Heater s Heater s Max 16 amps white white L2 Top two terminals not used e Control Sensor Sensor wire no polarity NOTE All electrical work must be performed by a qualified electrician in accordance with local building amp electrical codes and the National Electrical Code NEC especially Article 424 Part V of the NEC ANSIINFPA 70 NOTE Wiring for L1 is usually black live and wiring for L2 is usually white as used for Neutral Typical Wiring for a Thermostat Control and Contactor to an Existing Breaker Dedicated 110 120V Circuit as per NEC Heater s ground Ground green bare Heater s black Heater s white Live black L1
12. n fitted as per the manufacturer s instructions High quality cement based adhesives with their flexible additives are most suitable NOTE Do not use the green Warmup primer when installing on insulated tile backer board Carrelage ou pierre Mortier colle ou adh sif Maille chauffante Warmup Contreplaqu de 19mm 3 4 ou panneau isolant Sous plancher en bois 7 Maille chauffante Warmup Panneau isolant Warmup recommand Mortier colle ou adh sif Sous plancher en b ton The above is for general guideline use only Installations and subfloor work must be as per Tile Council of America Guidelines About USDW M A Heating element B Space heating cable C Factory made joint D Power lead USDW M is available in 6 different sizes Each USDW M is designed to produce a specific amount of heat based on its length For this reason you must never shorten USDW M t of heating mats Nominal wire Nominal Amps Resistance Mat Length Mat Width per 16A supply point 120V length ft Resistive A 9 13 USDWM 140 120 blue 140 41 1 2 100 1 6 0 18 8 USDWM 210 120 silver 210 56 1 8 67 8 9 3 1 83 G USDWM 280 120 grey 280 85 2 3 51 6 2y 18 5 USDWM 350 120 red 350 134 2 9 40 9 153 18 4 USDWM 420 120 red 420 114 3 5 34 6 18 3 18 2 USDWM 710 120 710 5 9 20 3 258 18 2 USDWM 840 120 black grey 840 243 7 1 17 0 366 18
13. p Helpline or visit www warmup com The thermostat should be connected to the main electrical supply via a fuse or circuit in accordance with the National Electrical Code If the thermostat used does not include a built in Ground Fault Circuit Interrupter GFCI then one must be added to the circuit between the main power supply and the thermostat If the thermostat does include a GFCI it is NOT recommended to include another in the circuit as this may cause accidental tripping of the control unit Ensuring Safety Install the Warmup thermostat within the same room as the heater In order to ensure the efficient running of the system within bathrooms we recommend that the controls are located at least 36 inches away from shower openings or basin back splash areas so that you minimize the possibility of exposure to water The rating label in this manual must be attached to the circuit breaker box for referral by the homeowner or electrical inspector An additional smaller label also in this manual is to be attached adjacent to or on the thermostatic control Floor probe location The floor probe wire for the Warmup thermostat will be approximately 15 feet long The end of the wire contains a capped sensor that should be centered between two heater wires at least 12 into the heated area At no time should the probe wire cross the space heating cable As with all electrical projects we strongly recommend that you should not undertake electrica
14. r touch each other at any point Allow strips of mesh to overlap Store tiles sharp or heavy objects on any of the wiring while tiling or bang a trowel on the wired area to remove excess mortar from the trowel Switch on the installed heating system until the adhesive has fully cured 1 3 weeks minimum Attempt to repair the space heating cable if it becomes damaged Call the technical helpline for further instruction 888 WARM FEET 888 927 6333 Install the space heating cable under any built in items i e tubs vanity units book shelves walls or partitions or under any zero clearance dedicated location furniture or appliances Install on a concrete slab Electrical Considerations For each Warmup Heater you install you will have an unheated lead running from the floor to the thermostat s electric connection The joint connecting the unheated lead to the space heating cable must be at least 2 inches from the wall and in a position to be covered by tile and thin set mortar We recommend you do not alter the length of the unheated lead however if necessary the wire can be extended if a UL approved wire and connector box suitable for the purpose is used e g waterproof if going into the floor etc This must be carried out by a qualified electrician in accordance with local state laws and guidelines If the unheated lead is shortened a minimum of 12 of lead must be left before the joint It may be necessar
15. t fluctuations It may be necessary to cut a channel in the floor to ensure the floor sensor is kept at the same height as the heating element NOTE If you have a loose wire wire cut away from the fibreglass mesh make sure the loose wires are no closer than 2 from each other the wall or from any other wires still attached to the mesh All joints need to be placed on the floor beneath the tiles No cables may cross at any time including the floor sensor and power lead During Installation Test Perform the same test as described on page 9 to ensure that the heating element has not been damaged during planning Cut turn and affix USDW M When you have ensured that USDW M has been laid correctly in Step 2 start cutting and turning USDW M where marks have been made beginning at the location closest to the thermostat Be careful and never cut the space heating cable Affix USDW M with the double sided tape on the mat Use tape to affix the loose wires Once USDW M is fitted check to ensure there are no loose sections paying f close attention to the f ends of the mats and any M section which has been turned After Installation Test Perform the same test as in step 2 Install Floor Sensor Place the floor sensor from the thermostat below the fibreglass mesh between two heating elements The floor sensor must be installed centrally between the two runs of heating element and sho
16. tallation Protect the space heating cable with card board or hardboard between installation and tiling Use thin set mortars and grouts suitable for use with underfloor heating as specified in the manufacturers instructions Ensure that each tile is solidly bedded in tile adhesive with no gaps or voids beneath Remember to install the floor probe for the Warmup register mark thermostat Make sure all electrical work is done by quali fied persons in accordance with local building and electrical codes the National Electrical Code NEC especially article 424 Part V of the NEC ANSI NFPA70 Ensure that you have electrical provision to run the heating system at 120Vac Remember to attach the rating labels included within this manual to your breaker box and controls Sketch a diagram of the wire layout for future reference which should be kept with the manual for future reference DON T Install USDW M under any floor other than ceramic quarry or natural stone tiles Commence installation on a concrete floor that has not been fully cured Leave surplus matting rolled up under units or fixtures use the right size Install USDW M on stairs up walls or in a closet Run the floor sensor wire or power lead over or under the space heating cable Connect two USDW Ms in series only connect mats in parallel Shorten the space heating cable at any time Allow the space heating cable to cross over o
17. ther document or statement SS Ne SIO a ew If you have any questions before during or after your installation do not hesitate to call the Warmup Technical Helpline on 888 927 6333 Complete and submit the warranty form online at WWW warmup com Warmup Inc 52 Federal Road Unit 1F Danbury CT 06810 Helpline Assistance 1 888 927 6333 Fax 1 888 927 4721 www warmup com us warmup com V 12 11
18. tinuity indicates there is a short in the circuit If at any time your readings are not in line with the guidelines above or you suspect there is a problem please call the Warmup Technical Helpline at 888 927 6333 Before installing USDW M 2290 Check USDW M size Please take a moment to double check that your plan has the proper room dimensions and that you have the correct size and proper number of USDW Ms Once USDW M has been cut it cannot be returned Mats should run backwards and forwards between walls and obstructions as shown in the examples Thermos ta Thermos ta NOTE When laying two or more heaters ensure the unheated leads reach the thermostat Before Installation Test r i Perform the first test following the steps described above to ensure that USDW M has not We been damaged during transport Do not wire to a plug at this stage b di ee LE 10 Installing USDW M Mark Floor and USDW M sing a permanent marker mark out areas on the subfloor where units and fixtures will be fitted DO NOT install USDW M in any of these areas Start by laying USDW M in the location closest to the thermostat DO NOT affix or cut USDW M yet Mark the position of any turns or cuts that you will need to make to the loose wire on USDW M and mark the positions on the floor Mark the positions and planned route of the power lead cables as well as the floor sensor It is best to avoid placing the floor sensor in areas of hea
19. uld extend a minimum of 12 into the heated area Secure the floor sensor using tape lt Min 12 gt Fe E taw r 5 i Bama nammi g Test the probe wire Temperature sensor wire must be verified before and after installation For probe resistance refer to the thermostat instructions Install Warmup Thermostat and floor probe Fit Power Leads Each USDW M is fitted with a single power lead for connecting USDW M to the thermostat To ensure the power lead remains at the same level as the heating element you may need to cut or chisel a channel in the subfloor When mong this take care not to damage the heating element Secure the power lead in place using tape Tile and Grout the floor Ensure you use ceramic tile adhesives and grouts suitable for use with undertile heating systems they must contain a flexible adhesive It is important that each tile is solidly bedded in tile adhesive with no gaps or voids beneath NOTE Do not store tiles or heavy objects on USDW M while tiling Wait for 8 days to allow the adhesive to dry before you switch on the system Warranty WARMUP 30 YEAR WARRANTY Models USDW heaters and USDW M heaters sold by Warmup Inc THE WARMUP 30 YEAR WARRANTY DOES NOT EXTEND TO THERMOSTATS WHICH ARE COVERED BY A ONE YEAR GUARANTEE FROM THE DATE OF ORIGINAL PURCHASE GOVERNING LAW unless otherwise governed by applicable state law this warranty shall be interprete
20. y to chisel out short channels in the subfloor to minimize the increased height presented by the floor probe and the unheated lead provided Separate conduit will be required to run the unheated lead and the sensor wire back up to the thermostat Please note that they cannot be placed within the same conduit Neither the unheated lead or sensor wire must cross or come into contact with the space heating cable Bear in mind that you will need to make provision for drawing the unheated leads and sensor wire up through the conduit up to the control box Making Electrical Provision Please refer to the table on page 8 to calculate the amperage load for your particular system For smaller areas you may be able to utilize an existing circuit In most cases however you will need a separate circuit to power the Warmup heaters The Warmup thermostat has a maximum resistive load of 16 amps It also includes a built in GFCI If you want to control more than 16 amps worth of heating via a single thermostat you will need to use Warmup s master relay configuration Instead of using the thermostat a different model of master thermostat is used to control individual switching units each capable of switching up to a 16 amp load and each containing its own GFCI The relay units require their own separate electrical feed and up to 10 relay units can be daisy chained to a single master unit via low voltage cabling For further information please call the Warmu
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