Coding Internal cir-
culation
pump
Heating circuit
pump
Heating circuit
without mixer
Heating circuit pump
Heating circuit with
mixer
12 OFF OFF Control funct.
13 OFF OFF Control funct.
14 OFF OFF OFF
15 OFF OFF OFF
Coding in the delivered condition Possible change
Boiler/burner
34:0 Influence of the signal
"External demand" on
the circulation pumps:
All pumps in control
function
34:1
to
34:23
Influence of the signal
"External demand" on the
circulation pumps: see
the following table
Coding Internal circula-
tion pump
Heating circuit
pump
Heating circuit
without mixer
Heating circuit
pump
Heating circuit with
mixer
0 Control funct. Control funct. Control funct.
1 Control funct. Control funct. Control funct.
2 Control funct. Control funct. OFF
3 Control funct. Control funct. OFF
4 Control funct. OFF Control funct.
5 Control funct. OFF Control funct.
6 Control funct. OFF OFF
7 Control funct. OFF OFF
8 OFF Control funct. Control funct.
9 OFF Control funct. Control funct.
10 OFF Control funct. OFF
11 OFF Control funct. OFF
12 OFF OFF Control funct.
13 OFF OFF Control funct.
14 OFF OFF OFF
15 OFF OFF OFF
16 ON Control funct. Control funct.
17 ON Control funct. Control funct.
18 ON Control funct. OFF