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16.9 Menu 9.7.6 - Setting the valve mode
Electrothermal valves with the switching states "
normally closed
(NC)"
or "
normally open (NO)
" are often used for heating control.
You can set the respective valve mode in menu 9.7.6 to adapt to
the control valve used in each case:
[ NC ]
Valve mode normally closed
The control valve remains closed in an isolated,
de-energised state.
[ NO ]
Valve mode normally open
The control valve remains open in an isolated,
de-energised state.
i
The set valve mode also applies to DuoFern
actuators connected via radio.