Viessmann Vitotrol 100 OT Installation And Service Instructions Manual page 20

Commissioning and adjustment
Further settings
Heating limit
Heating mode ends when the set out-
side temperature ("HEATING OFF AT")
is reached.
Settings for room temperature-dependent mode ("ROOM-CON-
TROL")
Depending on the set and actual room
temperatures, the required flow temper-
ature is determined and transmitted to
the heat generator control unit.
Selecting the set flow temperature change via P value
With the "P-BAND" setting, the change
characteristics of the flow temperature
are influenced subject to the actual
room temperature and the set max.
flow temperature.
Example:
■ Max. flow temperature 80 °C (factory setting)
■ Set room temperature 20 °C
■ Stop hysteresis 0.4 K (fixed)
20
(cont.)
"HEATING OFF AT" adjustable from
15 - 25 °C
Delivered condition - -
Maximum flow temperature limit
To limit the set flow temperature at the
upper end.
"MAX TEMP" adjustable from 0 - 90 °C
Factory setting 90 °C
"P-BAND" adjustable from 1.0 - 2.0 K
Factory setting 1.6 K