5.
Press
L
and
d
simultaneously
for approx. 1 second. User check
completed.
Adjusting heating curves (only for weather-compensated
control units)
The heating curves illustrate the rela-
tionship between the outside tem-
perature and the boiler water or the
flow temperature. To put it simply: The
lower the outside temperature, the
higher the boiler water or flow tem-
perature. The room temperature,
again, depends on the boiler water or
the flow temperature.
Settings in the delivered condition:
&
Slope = 1.4
&
Level = 0
Generally, the slope of the heating
curve lies
&
in the range of
A
for underfloor
heating systems,
&
in the range of
B
for low tempera-
ture heating systems (according to
the Energy Savings Order [Ger-
many]).
Further details regarding the individual steps
(cont.)
34
Initial start-up, inspection, maintenance
56
92
548
GB
Summary of Contents for VITODENS 333
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