Nordmann Engineering AT4D Instructions D'installation Et D'exploitation page 35

2. Insert supply cable (four-core wire, available as accessory) from the
back through on of the four openings into the in-wall housing, then lead
the cable through the wall opening to the steam generator.
3. Insert the in-wall housing into the wall opening, align it with the help of
a spirit level, then fix it with the four screw clamps (possible only with
cavity wall) attached to the in-wall housing.
Note: in massive walls the in-wall housing must be fixed using PU
mounting adhesive or mortar.
4. Connect the supply cable to the connecting terminal of the touch panel
as shown in the figure below.
D1 (+)
D0 (–)
GND
V+
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