57
Parameter Heating circuit pump
address A3:... "ON" "OFF"
-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
to
15 14 °C 16 °C
Coding in the delivered condition Possible change
A4:0 With frost protection (only for
weather-compensated control
units)
A4:1 No frost protection; this setting is on-
ly possible if code "A3:-9" has been
set.
Note
"Important", observe for code "A3".
A5:5 With heating circuit pump logic
function (economy mode): Heating
circuit pump "OFF" when the out-
side temperature (OT) is 1 K high-
er than the set room temperature
(RT
set
) (only for weather-compen-
sated control units)
OT > RT
set
+ 1 K
A5:0 Without heating circuit pump logic
function
A5:1
to
A5:15
With heating circuit pump logic func-
tion: Heating circuit pump "OFF"
(see the following table)
Parameter address A5:... With heating circuit pump logic function: Heating circuit pump "OFF"
1 OT > RT
set
+ 5 K
2 OT > RT
set
+ 4 K
3 OT > RT
set
+ 3 K
4 OT > RT
set
+ 2 K
5 OT > RT
set
+ 1 K
6 OT > RT
set
7
to
OT > RT
set
- 1 K
15 OT > RT
set
- 9 K
Code 2
Heating circuit 1, heating circuit 2, heating… (cont.)
5839829
Codes