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 mm²
Sensor line (extra
low voltage)
≥ 0.75 mm²
Line length
Sensor lines
≤ 50 m
Bus lines
≤ 125 m
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