ELEKTRA SelfTec 16 ready2heat, Installation Manual

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ELEKTRA
SelfTec
®
16
ready2heat
Selection
Pipeline systems, sprinkler systems, etc.
Length of the heating cables depends from:
• pipe’s diameter,
• min. ambient temperature on the installation site.
Value 1 signifies parallel positioning of the cable
along the pipe. Values higher than 1 signify the
length of the heating cable per 1 m of heated
pipe. In this case, the cable should be spiralled
along the pipe.
Table 1. Length of the heating cable per 1 m of the heated pipe
½ ¾ 1 1¼ 1½ 2
-10
length
[m]
1 1 1 1 1 1
spiraling
ratio [cm]
0 0 0 0 0 0
-15
length
[m]
1 1 1 1 1 1
spiraling
ratio [cm]
0 0 0 0 0 0
-20
length
[m]
1 1 1 1.1 1.2 1.5
spiraling
ratio [cm]
0 0 0 29 23 17
-25
length
[m]
1 1 1 1.3 1.4 1.7
spiraling
ratio [cm]
0 0 0 16 15 14
-30
length
[m]
1 1.1 1.3 1.6 1.8 2.2
spiraling
ratio [cm]
0 18.5 12.5 10.5 10 9.5
Pipe’s diameter [inches]
Ambient temperature [
°C]
6