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Installation & Operation Manual 

RX Kits. For roof and gutter deicing applications 

 

© Danfoss | FEC | 2020.02

AQ00008644904301-010201 / 088L3371 | 11 

Use and Maintenance

Each snow season:
•  Check cable position
•  Ensure all debris is removed
•  Inspect cable for damage, deterioration
•  Test GFI devices

When to operate the heating system:

Operate the RX system in the winter season when temperatures fall between 15 °F to 35 °F (-9 °C to +2 °C).  

In very cold temperatures, the RX system may not generate enough heat to prevent the formation of ice 

dams.  Turn off the system when ice dams have melted or temperatures are greater than 35 °F (2 °C).  

In the off season the system may remain on the roof.  Disconnect the system to ensure it isn’t accidentally 

turned on. Never operate the system when ambient temperatures are above 50 °F (10 °C) to prevent 

cable damage or fire hazard.

During the winter season, ensure the system is working efficiently by observing the melting path created 

by the heating cables.  Cable layout modification may be required to adapt to changing ice dams or 

incorrect design.

Use a weather-proof power outlet to prevent accidental GFI tripping.

An optional automatic system controller is available. Ask your Danfoss representative for details

POWER

HEATING

Code No

Description

Power Supply

Resistive Load 

(Output) max.

088L9000

RX1200 roof and 

gutter deicing 

controller

120VAC 50/60Hz

10.2A @ 120V 

(1225W)

Warranty

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 only valid with proof of sale, and the 

installation is in accordance with the installation instructions.

The defective Danfoss RX Kit has to be inspected by or submitted to Danfoss, or an authorized Danfoss 

RX dealer. Failure to comply with the before mentioned conditions  will void this warranty.

Danfoss will, when the customer has documented that a defect in the Danfoss RX Kit was present at the 

date of delivery, repair or supply a new Danfoss RX Kit at Danfoss' option. All claims shall be made within 

the warranty period.  Danfoss shall not be liable for any claims made later than five (5) years from date 

of purchase. Danfoss shall not be liable for any consequential and secondary costs or damages linked to 

the defect or replacement of the Danfoss RX Kit .

THE FOREGOING WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR 

IMPLIED, ON THE PART OF DANFOSS. DANFOSS DISCLAIMS ANY WARRANTY, EXPRESS OR IMPLIED, 

OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. DANFOSS NEITHER ASSUMES NOR 

AUTHORIZES ANY OTHER PERSON, FIRM OR CORPORATION TO ASSUME FOR IT ANY OTHER LIABILITY 

IN CONNECTION WITH SALE OR PRODUCT. DANFOSS SHALL NOT BE HELD RESPONSIBLE FOR DAMAGE 

TO PERSON OR PROPERTY, CONSEQUENTIAL LOSS, LOSS OF PROFIT, LOSSES ON GOODS IN STORE, 

OR THE LIKE WHICH MIGHT ARISE OUT OF THE FAILURE OF THE EQUIPMENT DELIVERED, IRRESPECTIVE 

OF THE CAUSE (INCLUDING FAULTY MANUFACTURE).

Summary of Contents for RX Kits

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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