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h) Displaying the valve position (“StEL”)
After selection of this menu item the approximate percent
age of the valve opening is displayed on the heating control
(for valve operating mechanism 1 only).
• Press the “PROG” key until “Sond” is displayed.
• Use the selection wheel to select the special function
“StEL”.
• To confirm your selection, briefly press the “PROG” key.
• The display shows the valve opening in percent (“%”).
• Press the “PROG” key to quit the function.
i) Switching between
display of the desired
temperature and the actual temperature (“t-An”)
In the works, the desired temperature (i.e. the maximum
temperature the heating control permits the room temper
ature to reach) is displayed on the right side of the large
display of the “FHT8R” heating control. You can use the
special function “tAn” to activate a mode displaying the
actual temperature (i.e. the currently measured room tem
perature).
In this mode the desired temperature is only displayed if
you turn the selection wheel. To indicate that the displayed
temperature is the desired temperature the temperature unit
(°C or °F) flashes.
If the set value is not changed for several seconds, the
heating control automatically returns to the display of the
actual temperature.
Proceed as follows:
• Press the “PROG” key until “Sond” is displayed.
• Use the selection wheel to select the special function
