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TECHNICAL HELPLINES

US:1-888-927-6333

Canada:1-888-592-7687

IMPORTANT

Read this manual before attempting to install your heating 

system. Incorrect installation could damage the heating system 

and will invalidate your warranty.

Installation Manual:

Cable for Roof & 

Gutter De-icing 

The world’s 

best-selling

 electric floor heating brand

Summary of Contents for NAMSR-5W-120

Page 1: ...RTANT Read this manual before attempting to install your heating system Incorrect installation could damage the heating system and will invalidate your warranty Installation Manual Cable for Roof Gutter De icing The world s best selling electric floor heating brand ...

Page 2: ...3 After removing the cable from the carton or wrapping check the insulation resistance of the unit from buss wires to braid with a 2500VDC megger to assure the cables have not been damaged during shipping and handling ELECTRIC SHOCK HAZARD Verify insulation resistance is 20 megohms or greater before installing Contact Warmup if cable is less than 20 megohm SIZING GUIDE Service voltage 110 120V 220...

Page 3: ...ircuit conductor and the rating or setting of overcurrent devices shall not be less than 125 of the ampere load of the cable or units WARNING ELECTRIC SHOCK HAZARD Disconnect all power before installing or servicing heating cable and accessories A qualified person must perform installation and service of heating cable and accessories Heating cable must be effectively grounded in accordance with th...

Page 4: ...oped in the downspout if it is convenient to do so such as when a downspout is not at the end of a run Note Tee splices are not permitted and void agency approvals E Use a Warmup downspout hanger to protect the heating cable from damage caused by sharp gutter edges and to provide strain relief F Protect any heating cable which protrudes past the lower opening of the downspout 4 Installing the inst...

Page 5: ...r problem areas and does not need to be installed on all areas of the roof In some instances on high pitched roofs over 40 degree slope and on roofs with minimal overhang no cable on the actual roof line may be required However always ensure to create a path for the ice to melt from the roof to the ground placing cable on the roof in the gutters and in the downspouts as necessary Extend the cable ...

Page 6: ...rmup s 24 7 Toll Free Technical Number US 1 888 927 6333 CAN 1 888 592 7687 PLANNING YOUR LAYOUT Draw a plan showing the layout and location of the snow melting cables below and keep it for future reference ...

Page 7: ...e Figure 3 FIGURE 2 Triangle pattern along the roof line FIGURE 1 Typical pattern along roof line and in gutters downspouts Pattern for the roof line The cable laid along the roof line is arranged in a triangular pattern see Figure 2 The cable MUST extend above the overhang into the heated section of the roof To determine the height of the triangles measure the depth of the overhang The triangle h...

Page 8: ...could also use a tape to measure each section of the downspout To calculate the total cable needed add the measurements in each section and multiply by 2 Lastly if it is not possible to use either of these above methods you may use the cable itself to estimate the length of cable needed in the downspout However to avoid snagging or cutting the cable on sharp edges take care when pulling the cable ...

Page 9: ...M POWER KIT Power Connection Kit for Self Regulating Cable Includes 2 warning labels ROOF CLIP Roof Clips Sold 50 pkg NAM SPLICE KIT Splice Tee Kit for Self Regulating Cable NAM END KIT End Seal Kit for Self Regulating Cable ASE DS8 Automatic controller with built in moisture sensor and 30A relay TRF 115 007 Line Voltage Controller 120 227V NEMA 4x enclosure with remote temperature sensor CDP 2 In...

Page 10: ...r broken pipes in the event of equipment failure 10 Changes in the appearance of the product that does not affect its performance 11 The owner or his her designated representative attempts to repair the product without receiving prior authorization from Warmup Upon notification of a repair problem Warmup Inc will issue an Authorization to Proceed under the terms of this Warranty If Warmup is requi...

Page 11: ... Danbury CT 06810 Tel 1 888 927 6333 Fax 1 888 927 4721 E mail us warmup com Web www warmup com CANADA Warmup Inc 374 Wellington St W Toronto ON M5V 1E3 Tel 1 888 592 7687 Fax 905 366 7324 E mail ca warmup com Web www warmup ca International Flooring Center Inc 5047 W Jefferson Blvd Los Angeles CA 90016 Tel 323 731 8453 www FlooringSupplyShop com ...

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