Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 83

Heating circuit 1, heating circuit 2, heating...
17 System dynamics mixer
Display
1
...
18 Minimum flow temperature limit, heating circuit
Display
20 °C
... °C
19 Maximum flow temperature limit, heating circuit
Display
75 °C
... °C
1B Room influence limit
Display
None
... K
1F External operating program changeover
Display
Operating program changeover to "Con-
stant central heating with reduced room
temperature" or "Standby mode" (subject to
the settings of the set reduced room tem-
perature)
The operating program changes to "Con-
stant operation with standard room temper-
ature"
(cont.)
Value Explanations
17:1 For heating circuits with mixer only
Controller responds too quickly (cycles between
■
17:0 to
OPEN and CLOSE):
17:3
Select a lower value.
Controller responds too slowly (temperature is not
■
held sufficiently):
select a higher value.
!
Value Explanations
18:20 Electronic minimum flow temperature limit 20 °C
18:1 to Minimum limit adjustable from 1 to 127 °C (only for
18:127 operation at standard room temperature)
!
Value Explanations
19:75 Electronic maximum flow temperature limit 75 °C
19:10 to Maximum limit adjustable from 10 to 127 °C
19:127
Value Explanations
1B:31 No room influence limit
1B:1 to With remote control and for the heating circuit, opera-
1B:30 tion with room temperature hook-up must be program-
med.
Adjustable from 1 to 30 K
!
Value Explanations
1F:0 Subject to the following parameters in the "General"
group:
"42", "43" and "44"
■
or
"08"
■
1F:1
Parameter
83