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Control
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FA ROTEX A1 BO - 10/2007
Safety temperature limiter (STL)
The safety temperature limiter shuts off the burner if the boiler temperature exceeds the permissible limit and locks it against
automatic restart. For manual unlocking, see chapter 9.5.
Rotary switch
The rotary switch can be used to select operating settings, changing and storing target values.
Target room temperature during day
Selection and setting of the target temperature in normal operation. Set according to individual temperature sensitivity.
Reduced target room temperature
Select and set the target temperature in economy operation (night reduction). Set according to individual temperature sensitivity.
Target temperature hot water storage tank
Select and set the target hot water storage tank temperature Set according to specific hot water requirements.
Selecting the operating mode
Set the operating mode by tapping the operating mode selector button. The operating mode that is currently active flashes on the
display. Select and activate another operating mode with the rotary switch. A marking on the display above the respective symbol
shows the mode currently selected.
*
This function is not available if a room temperature controller THETA RFF is connected or if the operating mode of the control has been set at different
settings for the individual heating circuits.
Setting automatic timer programme
Select one of the 3 pre-installed timer programmes P1, P2 or P3. You can find further instructions and a more exact description
in the documentation for "ROTEX controller THETA 23R". It is included in the scope of supply of the particular electronic control
to be ordered separately.
• Rotate to the right (+): Increased regulation
• Rotate to the left (–): Reduced regulation
• Tap: Save the selected value
• Press and hold (3 sec): Enter the programming level (select level)
It is possible to trigger an unscheduled storage tank charge by keeping the button pressed for a long time
(during an economy phase).
HOLIDAY
Frost -protected shutdown of heating and hot water (e.g. during holidays).
ABSENT
Brief break in the heating mode during absence.
PARTY
Extended heating mode over and above the heating period preset in the AUTOMATIC MODE.
AUTOMATIC
Automatic heating and economy mode according to timer programme.
SUMMER
Hot water mode according to timer programme, heating switched off with frost-protection.
HEATING
Continuous heating mode without time restriction.
REDUCED
Continuous reduced heating mode without time restriction.
STANDBY
Frost-protected shutdown of heating and hot water.
