Viessmann VITOLADENS 300-C Service Instructions Manual page 42

Coding
Code 2
(cont.)
Note
Heating systems with one heating circuit without mixer and one heating circuit
with mixer:
Initially, the possible coding addresses "A0" to "Fb" for the heating circuit with-
out mixer A1 are scanned; then the coding addresses for the heating circuit with
mixer M2 are scanned.
Coding
Coding in the delivered condition
System design
00 :1 System version 1:
1 heating circuit without
mixer A1, without DHW
heating
Boiler/burner
06:... Maximum limit of the
boiler water tempera-
ture, defaulted by the
boiler coding card
42
Possible change
00 :2 System version 1:
1 heating circuit without
mixer A1, with DHW heat-
ing
00 :3 System versions 2 and 3:
1 heating circuit with
mixer M2, without DHW
heating
00 :4 System versions 2 and 3:
1 heating circuit with
mixer M2, with DHW
heating
00 :5 System versions 2 and 3:
1 heating circuit without
mixer A1; 1 heating cir-
cuit with mixer M2, with-
out DHW heating
00 :6 System versions 2 and 3:
1 heating circuit without
mixer A1; 1 heating cir-
cuit with mixer M2, with
DHW heating
06:20 Maximum limit of the boil-
to er water temperature
06:127 within the ranges de-
faulted by the boiler