3
-- Electrical installation, set-up
14
Operating and installation instructions
MiSet
0020288229_00
3
-- Electrical installation,
set-up
Only qualified electricians may carry out
the electrical installation.
The heating installation must be decom-
missioned before work is carried out on it.
3.1 Selecting the lines
▶
Do not use flexible lines for power sup-
ply cables.
▶
Use sheathed cables for power supply
cables (e.g. NYM 3 x 1.5).
Line cross-section
eBUS line (extra-
low voltage)
≥
0.75 mm
²
Sensor line (extra
low voltage)
≥
0.75 mm
²
Line length
Sensor lines
≤
50 m
Bus lines
≤
125 m