Buderus Logamatic 4121 - Automatic Mode Operation

Standard functions
6
Logamatic 4121, 4122 and 4126 - Subject to technical modifications.
21
6.3.1 Selecting automatic mode
In automatic mode your heating system will operate with the time switch
program, i.e. central and DHW heating at preset times.
Example: Enabling automatic mode
Press "AUT".
The "AUT" LED illuminates; automatic mode is enabled.
In addition, either the "Day mode" or the "Night mode" LED will illuminate. This is
subject to the set times for day and night mode.
Automatic day and night mode
At fixed times, central heating is provided or the room temperature is set back.
AUT
Set room
Automatic day
21°C
Fig. 8 Changeover from day and night mode at fixed times (example)
1 Day mode
2 Night mode
7 747 012 053-18.1RS
1
2
05:30
22:00
21 °C
17 °C