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110 – 120 Volt

Installation

Manual

IMPORTANT

Read this manual before

attempting to install

your undertile heater.

Incorrect installation

could damage the heater

and will invalidate 

your warranty.

TECHNICAL HELPLINE

888-WARMFEET/888-927-6333

Summary of Contents for USDW360

Page 1: ...allation Manual IMPORTANT Read this manual before attempting to install your undertile heater Incorrect installation could damage the heater and will invalidate your warranty TECHNICAL HELPLINE 888 WARMFEET 888 927 6333 ...

Page 2: ...et Guarantee Terms and Conditions WARMUP UNDERTILE SPACE HEATING CABLE FOR INSTALLATION IN FLOORS Your Warmup Undertile Heater has been designed so that installation is quick and straight forward As with all electrical systems certain procedures must be strictly followed Warmup Inc the manufacturer of the Warmup Undertile Heating System accepts no liability expressed or implied for any loss or con...

Page 3: ... 1 x USDW360 undertile heater 25 34 sq ft 1 x USDW480 undertile heater 35 44 sq ft 1 x USDW720 undertile heater 45 59 sq ft 1 x USDW950 undertile heater If you are missing any of the box contents or believe you have the incorrect heater s 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 t...

Page 4: ...outs latex modified suitable for use with underfloor heating this will be specified in the manufacturers instructions DO check that the heater is working immediately before commencing tiling DO take particular care when tiling not to dislodge or damage the space heating cable DO ensure that each tile is solidly bedded in tile adhesive with no gaps or voids beneath DO remember to install the floor ...

Page 5: ...ore tiling DON T shorten the space heating cable at any time DON T allow the space heating cables to cross over or touch each other at any point DON T store tiles sharp or heavy objects on any of the wiring while tiling or bang a trowel on the installation area to remove excess mortar from the trowel DON T commence tiling before testing the Warmup Undertile Heating System DON T switch on the insta...

Page 6: ...y made joint and end termination The joint and end termination cannot be altered or remade if damaged If any parts are damaged contact the technical helpline 888 927 6333 The core and ground braid are factory joined in a water resistant joint assembly to each supply conductor and ground conductor of the unheated lead The unheated lead must not be reduced in length Excess cable should be securely p...

Page 7: ...I If you want to control more than 15 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 15 amp load and each containing its own GFCI The relay units require their own separate electrical feed and ...

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: ...9 Making electrical provision for the heater ...

Page 10: ...10 Heater Information ...

Page 11: ...11 ...

Page 12: ...eramic 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 tanki...

Page 13: ...ed mortar latex modified grout and backer board have been fitted as per the manufacturers instructions Tiles Flexible tile adhesive Heating wire Primer 3 4 plywood or Warmup Insulation Board 2 3 4 5 1 2 3 4 5 Tiles Flexible tile adhesive Heating wire Warmup Insulation board Insulation board adhesive Subfloor concrete or timber 1 2 3 4 5 6 2 1 3 4 5 6 1 13 ...

Page 14: ...Wiring configurations 14 ...

Page 15: ... and lay the first heater Do not cover the first heater with tape at this point as you may wish to slightly alter the spacings later on Lay the second heater in the remaining area using the same perimeter and space heating cable spacings as the first heater and test the second heater When laying more than one heater it is important to keep these points in mind 1 The space heating cables may not to...

Page 16: ...with a higher ambient air temperature will accelerate the drying process Avoid traffic over the subfloor once the primer has been applied Installation step 1 A Smooth clean and dry floor B Apply primer evenly C Avoid traffic over the primed floor IMPORTANT Test the Heater Strip the ends of the cold lead wire and test the black white cables to ensure the heater is working properly Using a digital o...

Page 17: ... feet from it using the sizing guide on the opposite page Mark all the outer corners of the heated area observing the perimeter distances referred to in the sizing guide and join the corners up to form a marked out perimeter Mark up the spacing intervals for the space heating cable following the sizing guide The spacing between heater cables must be a minimum of 2 apart but not further than 4 apar...

Page 18: ... 4 2 25 26 USDW480 2 3 4 2 27 28 USDW480 3 1 4 2 29 USDW480 3 1 4 2 30 32 USDW480 2 2 4 2 33 34 USDW480 4 2 35 USDW720 2 1 4 2 36 41 USDW720 2 3 4 2 42 44 USDW720 3 1 4 2 45 49 USDW950 2 1 4 2 50 56 USDW950 2 3 4 2 57 59 USDW950 3 1 4 2 60 68 USDW480 USDW720 2 3 4 2 69 72 USDW480 USDW720 3 1 4 2 73 74 USDW480 USDW720 3 2 4 2 75 78 USDW950 USDW480 2 3 4 2 79 87 USDW950 USDW480 3 1 4 2 88 89 USDW950...

Page 19: ...r Care should be taken to ensure that the factory joint remains horizontal and within the area to be tiled The joint should not be bent at point of entry into the conduit as this may damage both the factory joint and or the heating element within The space heating cable should be laid in parallel lines back and forth across the main body of the area to be heated Using the cable spacing markings as...

Page 20: ...thin 15 of the values indicated on page 6 There should NOT be any continuity between the ground wire and either of the white neutral wire or the black live wire Any continuity indicates there is a short in the circuit The entire length of the space heating cable should then be taped to the floor Ensure the greatest possible adhesion with the minimum of trapped air space beneath the taped space hea...

Page 21: ...e floor probe and the unheated lead provided for connection to the thermostat or mains supply Before chiseling the area ensure that the space heating cable unheated lead and floor probe are protected to avoid damage during chiseling Place the unheated lead and floor probe into the channels and secure with fixing tape Remove all debris and chippings from the floor Unless the floor is being tiled im...

Page 22: ...ound leading from the power supply 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 space heating cable at least 12 into the heated area At no time should the probe wire cross the space heating cable B Install the Warmup Thermostat Test b A Check resistance using m...

Page 23: ...ximately 45 degrees to the floor Do not allow the trowel to make contact with the space heating cable while applying the mortar Use sufficient mortar to ensure that there are no voids or hollows under the tile If a tile has been positioned incorrectly take great care not to damage the space heating cable when lifting Remember that tiles must not be lifted once the mortar is dry as this will damage...

Page 24: ...pplicable 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 othe...

Page 25: ...WARMUP INC DISCLAIMS ANY WARRANTY NOT PROVIDED HEREIN INCLUDED 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 ARISING FROM OWNERSHIP OR USE OF THIS PRODUCT INCLUDING INCONVENIENCE OR LOSS OF USE THERE ARE NO WARRANTIES THAT EXTEND BEYO...

Page 26: ...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 ...

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