Parameters
Heating circuit pump
Address A3:...
ON at
OFF at
-9
-10 °C
-8 °C
-8
-9 °C
-7 °C
-7
-8 °C
-6 °C
-6
-7 °C
-5 °C
-5
-6 °C
-4 °C
-4
-5 °C
-3 °C
-3
-4 °C
-2 °C
-2
-3 °C
-1 °C
-1
-2 °C
0 °C
0
-1 °C
1 °C
1
0 °C
2 °C
2
to
1 °C
to
3 °C
15
14 °C
16 °C
Coding in the delivered condition
Possible change
Boiler circuit, mixer circuit
A4:0
*
1
With frost protection
A4:1
No frost protection; this
setting is only possible if
code "A3:
–
9" has been
selected.
Note
When selecting a value
below 1 °C there is a risk
of pipes outside the ther-
mal envelope of the
building being damaged
by frost. The standby
mode, in particular,
should be taken into con-
sideration, e.g. during
holidays.
Code 2
(cont.)
53
Coding
5692
569
GB
*1
Only for weather-compensated control units.
Содержание Vitodens 300
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