Operating instructions

86
Coding in the delivered condition Possible change
A4:0 With frost protection (only
for weather-compensa-
ted control units)
A4:1 No frost protection; this set-
ting is only possible if code
"A3: -9" has been selec-
ted.
Note
Observe the information
regarding coding address
"A3"
A5:5 With heating circuit pump
logic function (economy
circuit): Heating circuit
pump "OFF" when the
outside temperature (AT)
is 1 K higher than the set
room temperature (RT
set
)
AT > RT
set
+ 1 K (only for
weather-compensated
control units)
A5:0 Without heating circuit
pump logic function
A5:1
to
A5:15
With heating circuit pump
logic function: Heating cir-
cuit pump "OFF" (see the
following table)
Parameter address
A5:...
With heating circuit pump logic function: Heating cir-
cuit pump "OFF"
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 > RT
set
- 1 K
15 AT > RT
set
- 9 K
Code 2
Heating circuit 1, heating circuit 2, heating…
(cont.)
5457 552 GB