Viessmann VITODENS 333-F WS3A Service Instructions Manual page 44

Coding
Code 2
(cont.)
Function area
System design
Boiler/burner
DHW
General
Heating circuit A1 (heating circuit without
mixer)
Heating circuit with mixer M2
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
Coding in the delivered condition
System design
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
1E:0 Operation with natural
gas
44
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
1E:1 Operation with LPG