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Installation & Operation Manual 

RX Kits. For roof and gutter deicing applications 

 

4 | © Danfoss | FEC | 2020.02

AQ00008644904301-010201 / 088L3371

Danfoss RX Roof and Gutter De-Icing Cables

Thank you for choosing the Danfoss RX Roof and Gutter De-Icing Kit as the solution to your roof snow 

and ice problems. Danfoss is the world leader in electric radiant heating and the RX product has been 

designed to produce an effective and constant solution to protect your roof from ice dams and the 

related hazards.  The quality engineered RX heating cables provide a safe, flexible and economical 

solution to your snow and ice protection requirements.

High quality materials and workmanship ensure that Danfoss RX heating cables will bring years of 

maintenance free service.  Consequently, Danfoss RX is backed by a 5 year limited warranty.

If you have any questions or concerns during installation, don't hesitate to contact your local Danfoss 

Representative or Danfoss Technical Support directly toll-free:  1-888-DANFOSS (326-3677).  

Don't  forget to place the warning labels in the appropriate area.

THIS RX KIT CONTAINS
1. Heating Cable
2. Shingle Clips
3. Warning Labels
4. 6 ft power lead
5. Spacer Clips
6. Instruction Manual

The installer of the Danfoss RX heating cables should be familiar with installation methods outlined 

in this guide, as well as electrical wiring conventions.  The required outdoor power receptacle should 

be installed by a professional electrician.  National and local electric codes must be adhered to, and 

inspection may be required during or after installation of the Danfoss RX cables.

Skill Level

1. RX Cable Kit

2. Tape measure  to determine cable length estimate
3. Ladder  to access the roof and gutters
4. Putty knife  to lift shingles
5. Marking chalk  to make cable location/pattern on shingles
6. File  to remove sharp edges from gutters and downspouts to protect the cable

Required Tools and Materials

Cable Construction

Twin conductor

Rated Voltage

120 V

Output

5 W/ft (16.4 W/m)

Heating Element Size

30’ to 265’ (9.2 m to 80.8 m)

Bending Radius

Minimum 1.5” (38 mm)

Cable Diameter

1/4” (6.5 mm)

Power Lead length

6’ (1.82 m)

Wire insulation

FEP / XLPE Cross linked Polyethylene

Outer Insulation

PVC

Max. Rated Temperature

220 °F (105 °C)

Min. Installation Temp

40 °F (5 °C)

RX Cable Specifications

Summary of Contents for 088L3500

Page 1: ...tallation Operation Manual Manuel d installation et d utilisation RX Kits Kits RX For roof and gutter deicing applications Pour les applications de d givrage de toiture et goutti re EN FR LX DANFOSS C...

Page 2: ...le of Contents Welcome Kit Contents 04 Specifications 04 General Information and Planning Sizing 05 Installation Instructions 05 Roofline Pattern 07 Skylight Pattern 07 Dormer Pattern 08 Valley Patter...

Page 3: ...arning labels in the appropriate area THIS RX KIT CONTAINS 1 Heating Cable 2 Shingle Clips 3 Warning Labels 4 6 ft power lead 5 Spacer Clips 6 Instruction Manual The installer of the Danfoss RX heatin...

Page 4: ...X heating cables can result in bodily harm property damage and fire Cable modification will render the warranty null and void and the manufacturer carries no further responsibility for the product Gen...

Page 5: ...installation begins Making a drawing of the roof and then chalking the cable locations on the roof surface may be helpful Remember to always exercise caution when on a ladder or roof See Appendix A to...

Page 6: ...167 6 cm 12 66 to 72 167 6 cm to 182 9 cm 13 Table 3 Triangle Heights Based upon standard shingle row height of 5 14cm The spacing at the base and top of each triangle should be 15 38 1 cm point to po...

Page 7: ...ent the formation of ice dams Figure 6 Cable routed back along the roof line in the gutter and downspouts Dormer Pattern Valley Pattern Other areas If a gutter is present all gutters below heated area...

Page 8: ...ings Double runs of RX cables may be used when ice problems are only present in the gutters Figure 7 CAUTION Install such that the heating cable does not touch overlap or cross itself Figure 7 Double...

Page 9: ...tom of triangles along roof edge Create a drip loop over the edge of the roof leaving at least 2 between the bottom of the drop loop and the gutter bottom Figure 10 Figure 11 Top of Triangles lift the...

Page 10: ...ranty DANFOSS RX KIT WARRANTY For a period of five 5 years from the date of purchase Danfoss warrants that the Danfoss RX Kit is free from defects in material design and workmanship The warranty is on...

Page 11: ...ers ______ x __1 0 31 m __ Length x 1 0 31 m 5 Downspouts _________ x _________ Number of x 2 x height Total __________ Table 3 Cable Length Calculations For gutters more than 4 10 5 cm wide make two...

Page 12: ...ques techniques 14 Informations g n rales et planification dimensionnement 15 Instructions d installation 15 Configuration de la ligne de toit 17 Configuration de la fen tre de toit 17 Configuration d...

Page 13: ...Danfoss RX L installateur des c bles chauffants Danfoss RX doit bien conna tre les m thodes d installation d crites dans ce guide ainsi que les conventions relatives au c blage lectrique L installatio...

Page 14: ...l par un interrupteur marche arr t avec voyant lumineux Il doit tre pourvu d une protection contre les d fauts de terre provenant d autres sources et d un raccordement lectrique situ dans une zone pro...

Page 15: ...505 120 540 4 5 26 9 088L3507 150 700 5 8 20 6 088L3508 170 755 6 3 19 0 088L3509 200 920 7 7 15 6 088L3510 230 1080 9 0 13 3 088L3511 265 1225 10 2 11 8 RX Kits 120V Figure 1 Illustration du toit Ins...

Page 16: ...rdeaux standard de 5 14 cm L espacement la base et au sommet de chaque triangle doit tre de 15 38 cm de point point Figure 2 Les hauteurs de triangle ne doivent pas d passer 20 pieds 6 m tres Elles do...

Page 17: ...Figure 6 Cable routed back along the roof line in the gutter and downspouts Configuration de la lucarne Configuration de la noue Autres zones S il y a une goutti re toutes les goutti res situ es en de...

Page 18: ...ffant en vitant qu il se touche se chevauche ou se croise Figure 7 Double passage de c ble dans les goutti res et les descentes d eau pluviale Remarque Lors du dimensionnement du trac il faut tenir co...

Page 19: ...ong de la bordure du toit Cr ez une boucle d gouttement sur la bordure du toit en laissant au moins 5 cm entre le bas de celle ci et le bas de la goutti re Figure 10 Figure 11 Partie sup rieure de la...

Page 20: ...0 60Hz 10 2A 120V 1225W Garantie GARANTIE DU KIT DANFOSS RX compter de la date d achat Danfoss garantit pour une p riode de cinq 5 ans que le kit Danfoss RX est exempt de d fauts de conception au nive...

Page 21: ...______ x __6 1 83 m __ Nombre de x 6 1 83 m 4 Goutti res ______ x __1 0 31 m __ Longueur x 1 0 31 m 5 Descentes d eau pluviale _________ x _________ Nombre de x 2 x hauteur Total __________ Tableau 3...

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