Viessmann VITODENS 200-W Service Instructions Manual page 42

Coding
Code 2
(cont.)
Coding in the delivered condition
01:1 Single boiler system
(only for constant tem-
perature control units)
Boiler/burner
06:... Maximum limit of the
boiler water tempera-
ture, defaulted by the
boiler coding card
07:1 Boiler number in multi-
boiler systems
0d:0 Function "Emergency
mode in case of the sys-
tem pressure is too low"
disabled
0E:0 System pressure below
maximum value.
11: 9 No access to the coding
addresses for the para-
meters of the combus-
tion control unit (see
page 88)
42
Possible change
01:2 Multi-boiler system with
Vitotronic 300-K
06:20 Maximum limit of the boil-
to er water temperature
06:127 within the ranges de-
faulted by the boiler
07:2 Boiler number 2 to 4 in
to multi-boiler systems
07:4
0d:1 Function "Emergency
mode in case of the sys-
tem pressure is too low"
enabled.
The burner starts with the
lower output.
The fault message "A2"
will be displayed (see
page 74) as long as the
system operates in emer-
gency mode.
0E:1 Max. system pressure
exceeded during opera-
tion. Fault message "A4"
is displayed as long as
the max. system pres-
sure is exceeded.
After the fault has been
removed, reset the cod-
ing address manually to
0.
Note
The value is set automa-
tically.
11:9 Access to the coding ad-
dresses for the para-
meters of the combustion
control unit enabled (see
page 88)