Viessmann Vitodens 200 Service Instructions Manual page 95

Control functions
Filling with the control unit switched ON
If the system is to be filled with the
control unit switched ON, the diverter
valve will be moved to its central posi-
tion via coding address "2F:2" and the
pump will be started.
Screed drying function
The screed function enables screeds
to be dried. For this, always observe
the details specified by the screed
manufacturer.
When the screed function is activated,
the heating circuit pump of the mixer
circuit is switched ON and the flow
temperature will be held at the
selected profile. After completion (30
days), the mixer circuit will again be
regulated automatically via the set
parameters.
Observe EN 1264. The report to be
provided by the heating contractor
must contain the following heat-up
details:
Temperature profile 1: (EN 1264-4) coding address "F1:1"
(cont.)
The burner shuts down if this function
is enabled via coding address "2F".
The program is automatically disabled
after 20 min, and coding address "2F"
is set to "0".
Heat-up data with respective flow
temperatures
Max. flow temperature achieved
Operating condition and outside
temperature during handover
The various temperature profiles are
adjustable via coding address "F1".
The function continues after power
failure or after the control unit has
been switched OFF. "Heating and
DHW" will be started after the screed
function has been terminated or if
coding address "F1:0" is manually
adjusted.
Function description
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