Installation Manual

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 Cable Run in gutter and downspouts
Note: One should take into account the number of cables used when designing the layout. It may
be simpler to install the heating system using more short kits, or fewer large kits. Also consider
what to do with cable excess or shortage. Larger triangles or double runs in gutters and
downspouts can take up extra cable.
While not required, you may test the cable by completely unrolling the cable and plugging it in.
Never energize a coiled cable. After 10 minutes, the cable should feel warm to the touch.
Cable Testing
Attach the start the cable to the roof as indicated in Figure 8 or Figure 9. Do not energize the
cable.
Installing the Cable using the Roof Clips
Figure 8. Figure 9.
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Copyright 2009 Danfoss Inc.
088L3371- 07/2009