Boiler - Viessmann Vitoligno 300-C Installation And Service Instructions For Contractors

Codes
Code 2
(cont.)
Parameter address Frost protection function / heating cir-
"A3" cuit pump "On"
6 7 °C
− −
5 6 °C
− −
4 5 °C
− −
3 4 °C
− −
2 3 °C
− −
1 2 °C
− −
0 1 °C
−
1 0 °C
2 1 °C
to to
15 14 °C
Coding
Coding in the delivered condition
Frost protection activation
A4:0 The frost protection function is ac-
tivated. Start and stop tempera-
tures of the function can be adjus-
ted (code "A3", heating group).
Frost protection function: The heat-
ing circuit pump is switched on at
the relevant outside temperature; a
minimum flow temperature of
10 °C is specified. At the relevant
outside temperature, it is automati-
cally switched off.
Room sensor offset
E2:50 Is available if code "A0:1" or
"A0:2", heating group, is set.
No correction of actual room tem-
perature
Screed drying
F1:0 Screed drying disabled

Boiler

Coding
Coding in the delivered condition
Flue gas residual O2, partial load correction
0D:2.0 2.0 % correction of set value for
concentration of residual oxygen in
the flue gas, depending on the cur-
rent boiler output
64
Frost protection function / heating circuit
pump "Off"
5 °C
−
4 °C
−
3 °C
−
2 °C
−
1 °C
−
0 °C
1 °C
2 °C
3 °C
to
16 °C
Possible change
A4:1 The frost protection function is disa-
bled. Adjustment only possible if
code "A3:−9" has been set.
Note
Observe the note for code "A3".
E2:0 Correction - 5 K to display correction
to - 0.1 K
E2:49
E2:51 Display correction + 0.1 K to display
to correction + 4.9 K
E2:99
F1:1 Screed drying adjustable in accord-
to ance with 6 selectable tempera-
F1:6 ture:time profiles (for more informa-
tion, see chapter "Screed drying").
Possible change
0D:0 Setting range 0.0 to 5.0
to
0D:5.0