Viessmann Vitotrol 100 OT Installation And Service Instructions Manual page 21

Further settings
100
90
80
B
70
60
50
40
30
20
10
0
18 18.5
Actual room temperature in °C
A P 1.0 K
B P 2.0 K
C P 1.6 K (factory setting)
Setting the I component time
With the "I-TERM" setting, the change
characteristics of the flow temperature
are recorded during a set period.
"I-TERM" adjustable from 2 - 15 min
Factory setting 10 min
Setting the service interval
"MONTHS BEFORE NEXT SERVICE"
adjustable from 1 - 60
(cont.)
C A
19 19.5
Commissioning and adjustment
20
■ If the actual room temperature is <
the set room temperature and the
actual room temperature has not
increased during the I-time, the set
flow temperature is increased by 1 K.
■ If the actual room temperature is >
the set room temperature and the
actual room temperature has not
decreased during the I-time, the set
flow temperature is reduced by 1 K.
Factory setting 00
21
20.5
21