Coding in the delivered condition Possible change
Max. boiler water temp.
06:... Maximum limit of the
boiler water tempera-
ture, defaulted in °C by
the boiler coding card
06:20
to
06:127
Maximum limit of the boil-
er water temperature
within the ranges de-
faulted by the boiler
Gas type
1E:0 Operation with natural
gas
1E:1 Operation with LPG
Venting/filling
2F:0 Programs disabled 2F:1 Venting program enabled
2F:2 Fill program enabled
Subscriber no.
77:1 LON subscriber number
(only for weather-com-
pensated control units)
77:2
to
77:99
LON subscriber number,
adjustable from 1 to 99:
1 - 4 = Boiler
5 = Cascade
10 - ... = Vitotronic 200-H
99 = Vitocom
Note
Allocate each number
only once.
Summer econ. A1
A5:5 With heating circuit
pump logic function
(only for weather-com-
pensated control units)
A5:0 Without heating circuit
pump logic function
Min. flow temp. A1/M2
C5:20 Electronic minimum
flow temperature limit
20 °C (only when oper-
ating with standard
room temperature; only
for weather-compen-
sated control units)
C5:1
to
C5:127
Minimum limit adjustable
from 1 to 127 °C (limited
by the boiler coding card)
Max. flow temp. A1/M2
C6:75 Electronic maximum
flow temperature limit
75 °C (only for weather-
compensated control
units)
C6:10
to
C6:127
Maximum limit adjustable
from 10 to 127 °C (limited
by the boiler coding card)
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