ELEKTRA SnowTec, Installation Manual

Page: 15 / 84

Stage 2: After the heating
mat has been laid
At this stage, it is necessary to undertake the
following steps:
• stick into the Warranty Card the self-adhesive
label, positioned on the power supply
conductor of the heating mat,
• in the Warranty Card, prepare a sketch of the
heating mat’s layout positioning,
• feed the power supply conductor of the
heating mat into the switchboard,
• in case of planned delay in connection of the
heating cable to the electrical installation,
seal the power supply cable of the heating
cable against the possibility of internal
moisture penetration, using a protective cap
placed on the conduit or a heat shrinkable
end cap.
• perform the measurements of:
- heating wire resistance,
- insulation resistance.
The measurement results of the heating core’s
resistance should not vary from the one given
on the label with more than -5% and +10%.
The insulation’s resistance for the mat’s
heating cable, as measured with a tool of the
rated voltage 1000 V (e.g. megaohmmeter)
for at least 30 seconds, should not be below
50 M
Ω . Enter the results into the Warranty
Card.
When the surface has been finished, repeat
the measurements and compare the results to
ensure that the mat has not been damaged
while surface installation works.
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