Coding in
the as
delivered
condition
Address:
value
Function mode
Coding
change
Address:
value
Possible change
Boiler circuit, mixer circuit
A4:0
*
1
With frost protection
A4:1
No frost protection,
adjustment only possible
if code "A3 : -9" is
selected.
Note
When selecting a value
below 1 °C there will be a
risk of pipes outside the
thermal insulation envel-
ope of the house freez-
ing-up. The standby
mode, in particular,
should be observed, e.g.
during holidays.
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
Set
)
AT > RT
Set
+ 1 K
A5:0
Without heating circuit
pump logic function
A5:1
to
A5:15
With heating circuit pump
logic function: Heating
circuit pump OFF, if (see
the following table)
Parameter address
A5:...
With heating circuit pump logic function: Heating
circuit pump OFF, if
1
AT > RT
Set
+ 5 K
2
AT > RT
Set
+ 4 K
3
AT > RT
Set
+ 3 K
4
AT > RT
Set
+ 2 K
5
AT > RT
Set
+ 1 K
6
AT > RT
Set
Code 2
(cont.)
54
Coding
56
92
548
GB
*1
Only for weather-compensated control unit.
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