Coding in the delivered condition Possible change
77:1 LON user number (only
for weather-compen-
sated control units)
77:2
to
77:99
LON user number, adjus-
table from 1 to 99:
1 - 4 = Boiler
5 = Cascade
10 - 98 = Vitotronic 050
99 = Vitocom
Note
Allocate each number
only once.
79:1 With LON communica-
tion module:
Control unit is fault
manager
79:0 The control unit is not the
fault manager (only for
weather-compensated
control units)
7b:1 With LON communica-
tion module:
The control unit trans-
mits the time (only for
weather-compensated
control units)
7b:0 Do not transmit time
7F:1 Detached house (only
for weather-compen-
sated control units)
7F:0 Apartment block
Separate adjustment of
holiday program and time
program for DHW heat-
ing, as option
80:1 A fault message is dis-
played, providing a fault
is active for at least 5 s
80:0 Immediate fault message
80:2
to
80:199
The fault message is is-
sued after a delay that is
adjustable from 10 s to
995 s; 1 step ≙ 5 s
81:1 Automatic summer/win-
ter time changeover
81:0 Manual summer/winter
time changeover
81:2 Use of the radio clock re-
ceiver (automatic recog-
nition)
81:3 With LON communication
module:
The control unit receives
the time
88:0 Temperature displayed
in °C (Celsius)
88:1 Temperature displayed in
°F (Fahrenheit)
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