DR. Heater DR-9RC 120V Owner'S Manual Download Page 1 | Manualshive

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Self-Regulating Heating Cables

For Pipes and Roof De-Icing

Owner’s Manual

PLEASE READ AND

SAVE THESE INSTRUCTIONS

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Summary of Contents for DR-9RC 120V

Page 1: ...Self Regulating Heating Cables For Pipes and Roof De Icing Owner s Manual PLEASE READ AND SAVE THESE INSTRUCTIONS ...

Page 2: ...tion such as ﬁberglass or preformed foam Do not embed heating cable in the insulation 4 Use 1 2 to 1 ﬁberglass tape or plastic cable ties when attaching cable to pipe Do not use wire or metal clamps Speciﬁcations General Safety Information Read and understand all instructions in this manual and the following installation instructions and Safety Warnings Electrical cables if not installed correctly...

Page 3: ...s application tape or nylon cable ties Do not use vinyl tape metallic products orwire INSTALLING THERMAL INSULATION 1 Before insulating inspect the cable to ensure that it is free of mechanical damage such as gouges or cuts etc 2 Cover the pipe cables connections valves with at least 1 2 12 7 mm thick fiberglass insulation or equivalent DO NOT leave the cables exposed 3 Use fire resistant material...

Page 4: ...so be installed in any nearby gutters downspouts and or valleys If you need to apply the cable on a roof with gutter downspouts valleys and or dormers follow A For Typical Roof Applications below If you only need to install the cable in the gutters only follow B If you need to install the cable on a roof with special roof areas such as a roof with skylights follow C For Roofs with Special Roof Are...

Page 5: ...5 125 120V 1000 1125 1500 I DR 9RC2200 200 240V 1600 1800 2400 J DR 9RC2250 250 240V 2000 2250 3000 B For Problem in The Gutter Only If ice dams are occurring in gutters only measure the required dimensions see Figure 5 and calculate the length of the cable needed for each area listed in Table 4 Add each area calculation to determine the total cable length needed C For Roofs with Special Roof Area...

Page 6: ...his example shows how to estimate the cable length needed for a limited problem roof area a skylight see Figure 6 For this roof you would like to treat only the problem area underneath the skylight This roof section has 1 downspout l0 feet long 1 skylight the distance from the bottom of the skylight to the roof edge is 12 5 feet and the width of the ice dams that form beneath the skylight is about...

Page 7: ... TIP If you will be working directly on the roof during the installation you may want to mark the cable pattern with chalk before attaching the cable If working from a ladder you will probably want to lay out the pattern as you attach the cable with the clips Making a drawing of your roof and your planned pattern on paper may be helpful Pattern for the Roofline Cable laid along the roofline is arr...

Page 8: ...nd downspouts and select a heater that will not exceed their temperature ratings Figure 9 Double cable run in the gutter downspouts 1 Use hanger bracket to support the heating cable where it enters a downspout to prevent cable from being damaged by gutter edge It also can be used as spacers in wider gutters 2 Run heating cable over top of hanger and secure to hanger using UV resistant cable ties 3...

Page 9: ...ing tips and service instructions if needed Self Regulating Heating Cables forPipes Package Content 1 Self Regulating Heating Cable DR 9RCxxxx x 1 2 Warning label x 2 3 UV resistant cable ties Roof clips DR 006 sold separately Warranty Information Register your product at our website Or visit DrHeaterUSA com register your heater Feedback Love it Help us make the product more for you Let us know wi...

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