Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 78

Parameter
Heating circuit 1, heating circuit 2, heating...
03 Temperature limits, frost protection function
Display
2 °C
9 °C
–
8 °C
–
7 °C
–
6 °C
–
5 °C
–
4 °C
–
3 °C
–
2 °C
–
1 °C
–
0 °C
1 °C
2 °C
to
15 °C
04 Frost protection
Display
With
Without
78
(cont.)
Value Explanations
03:2 Outside temperature below 1 °C: Heating circuit pump
ON
Outside temperature above 3 °C: Heating circuit
pump OFF
!
Please note
If a value below 1 °C is selected, pipes outside
the thermal envelope of the building could
freeze up.
Use settings below 1 °C only if pipes are equip-
ped with appropriate thermal insulation.
Heating circuit pump
ON
03:-9 10 °C
–
03:-8 9 °C
–
03:-7 8 °C
–
03:-6 7 °C
–
03:-5 6 °C
–
03:-4 5 °C
–
03:-3 4 °C
–
03:-2 3 °C
–
03:-1 2 °C
–
03:0 1 °C
–
03:1 0 °C
03:2 1 °C
to to
03:15 14 °C
Value Explanations
04:0 Frost protection enabled
04:1 No frost protection.
Can only be adjusted if parameter "03:-9" has been
set.
OFF
8 °C
–
7 °C
–
6 °C
–
5 °C
–
4 °C
–
3 °C
–
2 °C
–
1 °C
–
0 °C
1 °C
2 °C
3 °C
to
16 °C