Table of Contents
Related Manuals for Warmup USDW360
Summary of Contents for Warmup USDW360
- Page 1 110 – 120 Volt Installation Manual TECHNICAL HELPLINE 888-WARMFEET/888-927-6333 IMPORTANT Read this manual before attempting to install your undertile heater. Incorrect installation could damage the heater and will invalidate your warranty.
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Page 2: Table Of Contents
Guarantee followed. Terms and Conditions Warmup Inc, the manufacturer of the Warmup® Undertile™ Heating System, 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. -
Page 3: Before You Start
Before you Start Included with each Warmup heater system purchased should be the following: • Primer • Roller (to apply primer) • Tape • Installation Manual • Thermostat Double check your measurements and ensure you have the right heater size/s for the area you need to heat. -
Page 4: Do's And Dont's
Warmup® thermostat. 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. - Page 5 DON’T install the Warmup® Undertile™ Heating System heater under any floor other than ceramic, quarry or natural stone tiles. DON’T commence installation on a mud job/screed that has not been fully cured.
- Page 6 2 (11.0amp) USDW720 Black Grey/ 2 (14.6amp) USDW950 Black Warmup® Undertile™ Heating System is designed for use with ceramic, quarry or natural stone tiles. Use the Warmup Carbon Heater for heating under laminate, engineered wood or any other non-hard surface flooring.
- Page 7 Making electrical provision for the heater For each Warmup® Heater you install, you will have 1 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 placed in a position to be covered by tile and thin set mortar.
- Page 8 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.
- Page 9 Making electrical provision for the heater...
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Page 10: Heater Information
Heater Information... -
Page 12: Subfloor Preparation
Subfloor preparation - technical notes 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. - Page 13 Making Electrical Provision for the Heater Preparation of wood or concrete subfloor Tiles Flexible tile adhesive Heating wire Primer 3/4” plywood or Warmup Insulation Board Tiles Flexible tile adhesive Heating wire Warmup Insulation board It is important to ensure that the thin set...
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Page 14: Wiring Configuration
Wiring configurations... -
Page 15: Installing Multiple Heaters
Installing multiple undertile heaters When installing two or more heaters, begin by reading the sizing guide on page 18 of this booklet to ensure you have the proper number and size of heaters for the area you wish to heat. The sizing guide will also tell you the perimeter and space heating cable spacing required for your particular room size. -
Page 16: Installation Step 1
Smooth, clean and dry floor If tiling on existing ceramic or quarry floor tiles, clean the floor with an appropriate floor-cleaning compound. Do not apply the green Warmup® primer; go to installation step 2. If tiling on water proof/resistant surface (ie Hardibacker) do not apply the green Warmup®... -
Page 17: Installation Step 2
Making Electrical Provision for the Heater Installation step 2 Mark the heater position on the floor. Calculate in square feet the size of the area to be heated. Then, using the sizing guide on the opposite page, refer to the space heating cable spacing and perimeter distances to correctly fit your space heating cable into the space available. -
Page 18: Sizing Guide
Sizing guide If your area is above 119ft please contact the Warmup Technical Helpline on 888-927-6333 for assistance. 120 volt sizing guide Area (sq ft) Heater(s) Spacing in (s) Perimeter in (p) 15-16 USDW360 2 1/4 17-18 USDW360 2 3/4... -
Page 19: Installation Step 3
Installation step 3 Once the floor has been marked up, the space heating cable can be laid out. Test heater throughout installation. Gently pull the unheated lead from the box. Do not remove the spool from the box as this will cause the space heating cable to twist. - Page 20 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. Adjust space heating cable spacings if necessary Set your Ohm meter to measure resistance in 0 –...
- Page 21 The end of the probe wire contains a capped sensor that should be centered between two space heating cables at least 12" into the heated area. At no time should the probe wire cross the space heating cable. Depending on the requirements of the tiler, it may be necessary to chisel out short channels in the subfloor to minimize the increased height presented by the floor probe and the unheated lead provided for connection to the...
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Page 22: Installation Step 4
Making Electrical Provision for the Heater Installation step 4 Although the Warmup® system is designed to be installed by any competent do it yourselfer, only a qualified electrician should undertake the wiring and connecting of the heaters to a thermostat. This is to safeguard against the risk of personal injury and to ensure that any installation complies with National and local codes. -
Page 23: Installation Step 5
Installation step 5 Check the heater resistance with a digital multi-meter every half hour or so. If the heater goes open circuit (no reading on the multi-meter) DO NOT CONTINUE - call the technical helpline on 888-WARMFEET (927-6333). Tile and grout The thin set mortar and grout must include an additive for flexibility and be suitable for use with underfloor heating. - Page 24 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.
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Page 25: Terms And Conditions
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. - Page 26 NOTES...
- Page 27 COMPLETE AND RETURN WARRENTY REGISTRATION TO WARMUP, INC (Please Print) Alternatively you can register online at warmup.com 01-08-07-sm-ss...