ELEKTRA VCDR
Heating Cables
Note:
Heating cables
must be
installed in accordance
with the instructions.
The mains connections of the heating cable
should
be
carried out by an authorised electrician.
!
General information
Required heat output selection will depend on
the regional climate conditions.
Ambient
temperature
Heat output
> -5°C
-5°C ÷ -20°C -20°C ÷ -30°C
< -30°C
Gutters
Downpipes
Roof troughs
Roof edges
20 W/m
20 W/m
200 W/m
2
~150 W/m
2
20-40 W/m
20-40 W/m
200-250 W/m
2
~250 W/m
2
40-60 W/m
20-40 W/m
250-300 W/m
2
~300 W/m
2
60 W/m
40 W/m
350 W/m
2
~350 W/m
2
Roof area
extending
beyond the
building outline
~250 W/m
2
~300 W/m
2
~350 W/m
2
~500 W/m
2
Application of the selected heat output
The values given above
refer to a gutter of the
Ø 100-125 mm diameter.
Gutters of larger diameters
require application of
the 20 W/m higher heat
output.
Flat roofs, or when roof
snow barriers are installed,
which would cause
snow deposition, require
increase of the given
values with approx. 15%.
6
Содержание VCDR
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Страница 11: ...Gutter holder Gutter spacing wire with clips Cable fixing in the gutter with a wire with clips 11 ...
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