Control Unit; Functions And Operating Conditions In Weather-Compensated Mode - Viessmann Vitodens 050-W BP JD Installation And Service Instructions Manual

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Functions and operating conditions in weather-compensated mode

If an outside temperature sensor is con-
nected to the control unit, the boiler
water temperature is regulated subject to
the outside temperature.
In line with the selected heating curve, a
boiler water temperature is set for the
current outside temperature.
Heating curve for weather-compensated operation
90
80
70
60
50
40
30
20
20
15
Outside temperature in °C
X Code for selected heating curve
The setting can be made in incre-
ments of 5 - 35.
The heating curve is set at the control
unit as a code. In the delivered condition,
the heating curve with code 20 is set.
eT
10
5
0
Operating instructions
eP
wT
-5
-10

Control unit

wP
qT
qP
5
-15
65

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