4
x
Operation
18
BA ROTEX A1 B0 - 10/2007
4.1.3 Control THETA 23R
"Default settings" rotary switch
Rotary switch "Selecting the operating mode"
Only the control and display elements of the ROTEX central control unit ALPHA 23R are described below. For the
controls of the complete boiler control panel, see section 4.1.1.
Fig. 4-3
Controls on the boiler control panel with integrated control ALPHA 23R
1
Mains switch
2
Burner malfunction indicator
3
STL indicator
4
Manometer
5
Central unit ALPHA 23R
6
Rotary switch for the default settings
10
Rotary switch for selecting the operating mode
14
Display
15
Compartment for quick reference instruction manual
16
Locking the control in place
17
Safety temperature limiter (STL)
27
Button
28
Button
29
Button
NORMAL OPERATING
MODE
Controller works according to the operating mode set with the "Selection of operating mode"
rotary switch.
TARGET HOT WATER
TEMPERATURE
Display and modify target hot water temperature.
TARGET ROOM
TEMPERATURE
Display and change target room temperature.
STATUS PLANT
Read information on the plant status.
WEEKDAY
Display and change weekday.
CLOCK TIME
Display and change time.
PARAMETER
Select and change parameters.
STANDBY
Frost-protected shutdown of heating and hot water.
REDUCED
Continuous reduced heating mode without time restriction.
HEATING
Continuous heating mode without time restriction.
SUMMER
Hot water mode according to timer programme, heating switched off with frost-protection.
AUTOMATIC I
Automatic heating and lowering mode according to switching timer programme "Out at work"
(can be set separately).
AUTOMATIC II
Automatic heating and economy mode according to timer programme "Family".
AUTOMATIC III
Automatic heating and economy mode according to timer programme "Solar".
