• the gutter/pipe diameter
Gutter/pipe diameter
No. of cable lines [n]
75 - 120 mm
1
120 - 150 mm
2*
150 - 200 mm
3
* Two lines of 30 W/m (60 W/m) require minimum
Ø120 mm downpipe and a moisture sensitive con-
troller, e.g. ECtemp 850 .
Design
temperature
Heat
density
ECsnow 20T (EFTCC)
[°C]
W/m2
[n]
[C-C in cm]
0 to -5
200 - 250
1
9
6 to -15
250 - 300
2
7 - 8
16 to -25
300 - 350
2
6
26 to -35
350 - 400
3
5
Design
temperature
Heat
density
ECsnow 30T (EFTCC)
[°C]
W/m2
[n]
[C-C in cm]
0 to -5
200 - 250
-
-
6 to -15
250 - 300
1
12
16 to -25
300 - 350
2*
10
26 to -35
350 - 400
2*
8
Design
temperature
Heat
density
ECsafe 20T (EFTPC)
[°C]
W/m2
[n]
[C-C in cm]
0 to -5
200 - 250
1
9
6 to -15
250 - 300
2
7 - 8
16 to -25
300 - 350
2
6
26 to -35
350 - 400
3
5
Installation summary
Install ECtemp 850 sensor, if any, in gutter accord-
ing to sensor manual.
Extend sensor cables and cold leads, and place
connections in a dry place. Seal all penetrations
through e.g. roofs and walls.
Inform the end user to check for and remove
sharp edges, leaves, and dirt from the heated roof
and gutter systems every autumn.
