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Warmup USDW-360-120, Installation Manual

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Warmup USDW-360-120 Installation Manual Download Page 9

Making electrical provision for the heating system

9

Dedicated 110 – 120V
Circuit as per NEC

Ground (green/bare)

Live (black) (L1)

Live (black) (L1)

(white) (L2)

(white) (L2)

NOTE: 

Wiring for L1 is usually black (live) and wiring for L2 is usually white (as used for Neutral).

NOTE: 

Wiring for L1 is usually black (live) and wiring for L2 is usually white (as used for Neutral).

Dedicated 110 – 120V  
Circuit as per NEC

Contactor

110 –

120V

Max. 16 amps

Summary of Contents for USDW-360-120

Page 1: ...t USDW Loose Wire Installation Manual The world s best selling electric floor heating brand IMPORTANT Read this manual before attempting to install your heating system Incorrect installation could damage the cable and will invalidate your warranty ...

Page 2: ...Limited Warranty SafetyNet Guarantee Terms and Conditions WARMUP UNDERTILE HEATING CABLE FOR INSTALLATION IN FLOORS Your Warmup Undertile Cable 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 fo...

Page 3: ...refrigerators washer dryer cabinets tubs vanity units etc Below is a quick reference guide 120 VOLT LOOSE WIRE If you are missing any of the box contents or believe you have the incorrect cables 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 Digital ohm ...

Page 4: ...latex modified suitable for use with underfloor heating this will be specified in the manufacturers instructions DO check that the heating cable is working immediately before commencing tiling DO take particular care when tiling not to dislodge or damage the 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 prob...

Page 5: ...cable before tiling DON T shorten the heating cable at any time DON T allow the 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 installe...

Page 6: ...ot 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 Warmup Undertile Heating Cable is File No E303230 120 VOLT LOOSE WIRE GUIDE Warmup Heating Cable is designed for use with ceramic quarry or natu...

Page 7: ...GFCI 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 a...

Page 8: ... for the heating system 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: ...e Live black L1 Live black L1 white L2 white L2 NOTE Wiring for L1 is usually black live and wiring for L2 is usually white as used for Neutral NOTE Wiring for L1 is usually black live and wiring for L2 is usually white as used for Neutral Dedicated 110 120V Circuit as per NEC Contactor 110 120V Max 16 amps ...

Page 10: ...that are found by removing the face of each unit b A sticker sits above this terminal labeled 1 4 i 1 and 4 are labeled GND for ground ii 2 is labeled Drive iii 3 is labeled 12V c The Wiring i braided 18 22 gauge wire is required to be supplied by a certified electrician ii Wiring is a daisy chain requiring you to wire Slave Relay to Slave Relay to Slave Relay etc 1 Wire GND 1 to GND 1 2 Wire Driv...

Page 11: ... v i L r e k a e r b t i u c r i c m o r f e v i L r e k a e r b t i u c r i c m o r f L 2 s r e t a e h r o o l f m o r f l a r t u e N Models Adressed CT230 120GA TH115 F 12VDC CT230 120GA CT230 120GA Load 120VAC CT230 120GA Connections from models CT230 120GA CT230 240GA to other CT230 120GA CT230 240GA or to the Master Thermostat TH115 F 12VDC are made using 18 22 Gauge stranded conductor wire...

Page 12: ... 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 coa...

Page 13: ...rd manufacturer s instructions Flexible tile adhesive Heating wire Cement Backer board Tile backer board adhesive Concrete sub floor Regardless of the type of subfloor it is important to ensure that the thin set mortar and grout used are latex modified and that the tile backer construction board has been fitted as per the manufacturer s instructions High quality Portland based mortars that are lat...

Page 14: ...ating System In each of the examples the floor space is heated using different wire configurations to suit the particular layout of the room It should be noted that while the sizing chart provided in this booklet is a useful guide to heater layout it may be necessary to slightly alter the heating wire spacing to suit your particular installation However at no time should the spacing between the wi...

Page 15: ... page 17 and lay the first cable Do not cover the first cable with tape at this point as you may wish to slightly alter the spacings later on Lay the second cable in the remaining area using the same perimeter and heating cable spacings as the first cable and test the second cable When laying more than one cable it is important to keep these points in mind 1 The heating cables may not touch or cro...

Page 16: ... applying the primer ensure that the floor surface is smooth dry and free from dust or grease If necessary an appropriate smoothing compound should be applied and allowed to cure If the cable is being fitted to a solid floor it is essential that the concrete slab has been allowed to cure before the primer is applied This can take 8 Installation Step 1 If tiling on water proof resistant surface ie ...

Page 17: ...the cables on stairways or up walls 17 Installation Step 2 Mark the cable 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 heating cable spacing and perimeter distances to correctly fit your heating cable into the space available Installation Step 2 Mark all the outer corners of the heated area observing ...

Page 18: ...3 50 2 30 32 CADWS 480 63 5 2 50 2 33 34 CADWS 480 101 6 4 50 2 35 CADWS 720 57 2 2 50 2 36 41 CADWS 720 69 9 2 50 2 42 44 CADWS 720 81 0 3 50 2 45 49 CADWS 950 57 2 2 50 2 50 56 CADWS 950 69 9 2 50 2 57 59 CADWS 950 81 0 3 50 2 60 68 CADWS 480 CADWS 720 69 9 2 50 2 69 72 CADWS 480 CADWS 720 81 0 3 50 2 73 74 CADWS 480 CADWS 720 88 9 3 50 2 75 78 CADWS 950 CADWS 480 69 9 2 50 2 79 87 CADWS 950 CAD...

Page 19: ... strips of adhesive tape supplied 19 Installation step 3 Once the floor has been marked up the heating cable can be laid out Test the cable throughout installation Gently pull the unheated lead from the box Do not cause the heating cable to twist After 9 feet of cable has been removed you will the floor Care should be taken to ensure that the factory joint remains horizontal and within the area to...

Page 20: ...ting cable should be located in the center of the tape to provide maximum protection from the tiler s trowel If the tape is not completely covering the heating cable at any point apply another layer of tape to provide additional protection You may wish to alter the heating cable layout to fit your particular room Where there are irregularities of room shape you can adjust the layout of the heating...

Page 21: ...eling 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 immediately cover the floor with cardboard to protect the heating cable and floor probe by the floor probe and the unheated lead provided for connection to the thermostat or mains supply Before chiseling the area ensure that the ...

Page 22: ...lead should be connected to the ground 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 heating cable at least 12 into the heated area At no time should the probe wire cross the heating cable Ensure that safety labels contained within ...

Page 23: ... should not be made fully operational until such time as the tile or concrete installer verifies that the cement materials are fully cured 1 3 weeks Installation step 5 Tile and grout The thin set mortar and grout must include an additive for flexibility and be suitable for use with underfloor heating Refer to the manufacturer s instructions for usage Check that the heating cable is fully taped an...

Page 24: ...ing and electrical codes and 3 Provided Warmup cables are installed under ceramic tile marble and natural stone surfaces 4 During the period of Warranty Warmup will arrange for the cable 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 r...

Page 25: ...ARMUP 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 BEYON...

Page 26: ...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 ...

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