122
Function description
Boiler water temperature control
Brief description
The boiler water temperature is
regulated by controlling the
two−stage or modulating burner.
Several defaults determine the set
boiler water temperature:
H Set defaults at key O of the
control unit
H Set defaults at key F of the
control unit
H Demands from Vitotronic 050
heating circuit controllers, which
are connected to the control unit
via LON BUS
H Dropping below the set return
temperature/boiler water
temperature
Coding addresses which influence
the boiler water temperature control
02 to 06, 08 to 0A, 13 to 1C
For a description, see page 140.
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