Viessmann Vitodens 333 Service Instructions Manual page 45

Code 2
(cont.)
Function area
System design
Boiler/burner
DHW
General
Heating circuit A1 (heating circuit without
mixer)
Heating circuit M2 (heating circuit with
mixer)
Note
For heating systems with one heating circuit without mixer and one heating cir-
cuit with mixer, initially the possible coding addresses "A0" to "Fb" are scrolled
for the heating circuit without mixer A1 and then those for the heating circuit
with mixer M2.
Coding
Coding in the delivered condition
System designs
00:2 System version 1:
1 heating circuit without
mixer A1, with DHW
heating
Boiler/burner
06:... Maximum limit of the
boiler water tempera-
ture, defaulted in °C by
the boiler coding card
11: 9 No access to the coding
addresses for the para-
meters of the combus-
tion control unit (see
page 88)
Coding addresses
00
06 to 54
56 to 73
76 to 9F
A0 to Fb
A0 to Fb
Possible change
00:4 System version 2, 5:
1 heating circuit with
mixer M2, with DHW
heating
00:6 System version 3, 4:
1 heating circuit without
mixer A1 and 1 heating
circuit 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
11:9 Access to the coding ad-
dresses for the para-
meters of the combustion
control unit enabled (see
page 88)
Coding
45