4 x Operation
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BA ROTEX A1 BG Inline - 10/2007
Control THETA 23R
Electronic digital control ROTEX THETA 23R for controlling 2 heating circuits (direct heating circuit, mixer circuit) and a storage
tank charging circuit. It contains a switch clock with three individually configurable timer programs per heating circuit. Three
more users can be connected to the THETA 23R control (also refer to chapter 2.4). Moreover, a modem can be connected through
telephone for mode switching over.
Rotary switch
The rotary switch can be used for selecting operating settings, changing and storing target values.
Target room temperature for the day
Selection and setting of the target temperature in normal operation. Setting according to individual temperature sensitivity.
Reduced target room temperature
Selection and setting of the target temperature in economy operation (night reduction). Setting according to individual temper-
ature sensitivity.
Target temperature hot water storage tank
Selection and setting of the target hot water storage tank temperature Setting according to specific hot water requirement.
Selecting the mode
Setting the mode by tapping the mode selection key. The mode currently active flashes on the display. Selection and activation
of another mode with the rotary switch. A marking on the display through the respective symbol shows the mode currently
selected.
Provisional modes:
Automatic modes
* This function is not available if a room controller THETA RFF is connected or if the operating mode of the control has been set on different settings for the
individual heating circuits.
• Rotate to the right (+): Increased regulation
• Rotate to the left (–): Reduced regulation
• Tapping: Saving the selected value
• Press and hold (3 sec): Enter the programming level (select level)
It is possible to trigger an unplanned storage tank charge by keeping the key 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 program.
SUMMER Hot water mode according to timer program, heating switched off with frost-protection. *