Buderus Logamatic 4122 - Control Unit and MEC2 Interface Overview; MEC2 Control Unit Components

Controls and MEC2 programming unit
5
Logamatic 4121, 4122 and 4126 - Subject to technical modifications.
13
5 Controls and MEC2 programming unit
5.1 Control unit controls
Fig. 4 Controls (example: Logamatic 4122)
1 Slot 1
2 ZM435 boiler display
3 Connection for external service equipment and MEC2
4 Slot 2
5 ON/OFF switch
6 Fuse 10 A (slow)
USER INFORMATION
The Logamatic 4122 control unit is also
available with the MEC2 programming
unit.
USER INFORMATION
The system flow temperature is displayed
on the boiler display.