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10.5 Supply Module 230 VAC
This PCB module is galvanically separated from the mains voltage and is suitable for direct 230 V mains
installation. The module includes a double-chamber safety transformer, which fulfils the double-isolation
requirements when the calculator top is mounted. The power consumption is less than 1 VA/1 W.
National regulations for electric installations must be observed. The 230 VAC module can be
connected/disconnected by the utility’s personnel, whereas the fixed 230 V installation into the meter panel
must be carried out by an authorized electrician.
10.6 Supply Module 24 VAC
This PCB module is galvanically separated from the 24 VAC mains supply and is both suitable for industrial
installations with joint 24 VAC supply and individual installations, which are supplied by a separate 230/24 V
safety transformer in the meter panel. The module includes a double-chamber safety transformer, which fulfils the
double-isolation requirements when the calculator top is mounted. The power consumption is less than 1 VA/1
W.
National regulations for electric installations must be observed. The 24 VAC module can be
connected/disconnected by the heating station’s personnel, whereas the fixed 230/24 V installation in the meter
panel must only be carried out by an authorized electrician.
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