Viessmann Vitodens 300 Service Instructions Manual page 55

Code 2
(cont.)
Coding in Function mode
the as
delivered
condition
Address:
value
A5:5 * 1 With heating circuit
pump logic function
(economy circuit): Heat-
ing circuit pump OFF, if
the outside temperature
(AT) is 1 K higher than
the set room tempera-
ture (RT
AT > RT
Parameter address
A5:...
1
2
3
4
5
6
7
to
15
*1
Only for weather-compensated control units.
Coding
change
Address:
value
A5:0
A5:1
to
A5:15
)
Set
+1 K
Set
With heating circuit pump logic function: Heating
circuit pump OFF, if
AT > RT +5 K
Set
AT > RT +4 K
Set
AT > RT +3 K
Set
AT > RT +2 K
Set
AT > RT +1 K
Set
AT > RT
Set
AT > RT -1 K
Set
AT > RT - 9 K
Set
Coding
Possible change
Without heating circuit
pump logic function
With heating circuit pump
logic function: Heating
circuit pump OFF, if (see
the following table)
55