Buderus Logamatic 4122 User Manual

Modules and their functions
9
Logamatic 4121, 4122 and 4126 - Subject to technical modifications.
73
Heating circuit and DHW function
Heating circuit switch (Æ Fig. 22, [1]) and DHW
(Æ Fig. 22, [2]).
The positions 0 and (manual mode) are special
settings reserved for heating contractors only.
Current functions are indicated by LEDs.
Fig. 22 FM441
1 Heating circuit switch
2 DHW switch
1
2
for heating circ. 1:
for DHW supply:
USER INFORMATION
In standard mode, the switches should be
set to "AUT".
: The heating circuit pump or primary pump
is
switched on.
The mixer is switched to zero volt and can
be
manually operated.
The DHW circulation pump is switched off.
AUT: The heating circuit or DHW circuit operates
in
automatic mode.
0: The heating circuit pump or cylinder primary
pump as well as the DHW circulation pump
are
switched off.
The mixer is switched to zero volt. The control
functions remain active.
3
3

Buderus Logamatic 4122 Specifications

General

Brand	Buderus
Model	Logamatic 4122
Category	Control Unit
Language	English