Viessmann VITODENS 200-W WB2B Service Instructions For Contractors page 41

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 insuffi-
cient system pressure"
disabled
0E:0 System pressure below
maximum value.
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 insuffi-
cient system pressure"
enabled.
Minimum system pres-
sure, see page 8.
The burner starts with the
lower output.
The fault message "A2"
will be displayed (see
page 73) 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.
For the max. permissible
operating pressure, see
the boiler type plate.
After the fault has been
removed, reset the cod-
ing address manually to
0.
Note
The value is set automa-
tically.
Coding
41