Operating instructions

Coding in the delivered condition Possible change
Boiler circuit, mixer circuit
A4:0 With frost protection
(only for weather-com-
pensated control units)
A4:1 No frost protection, ad-
justment only possible if
coding address "A3: -9"
has been selected.
Note
Observe the note for
code "A3"
A5:5 With heating circuit
pump logic function
(economy circuit): Heat-
ing circuit pump "OFF"
when the outside tem-
perature (AT) is 1 K
higher than set room
temperature (RT
set)
AT > RT
set + 1 K (only
for weather-compen-
sated control units)
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
7
to
AT > RTset - 1 K
15 AT > RT
set - 9 K
Code 2 (cont.)
52
Coding
5692 672 GB