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

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 accord-
ing 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 mode
90
80
70
60
50
40
30
20
20 15
Outside temperature in °C
X Indicator for selected heating curve
The setting can be made incre-
mentally between 5 and 35.
The heating curve is selected at the
control unit using a code. In the deliv-
ered 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
75