Viessmann VITOPEND 200 Installation And Service Instructions Manual page 43

Further details regarding the individual steps
Adjusting the 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 temperature.
A Heating curve slope for underfloor
heating systems
Initial start-up, inspection, maintenance
(cont.)
The room temperature, again,
depends on the boiler water or the
flow temperature.
Settings in the delivered condition:
&
Slope = 1.4
&
Level = 0
B Heating curve slope for low tem-
perature heating systems
(according to the Energy Savings
Order [Germany])
43