Viessmann VITODENS 333-F WS3A Service Instructions Manual page 50

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Coding
Code 2
(cont.)
Coding in the delivered condition
79:0
The control unit is not
the fault manager (only
for weather-compen-
sated control units)
7b:1
Send time via LON
(only for weather-com-
pensated control units)
7F:1
Detached house (only
for weather-compen-
sated control units)
80:1
A fault message is dis-
played, providing a fault
is active for at least 5 s
81:1
Automatic summer/win-
ter time changeover
88:0
Temperature displayed
in °C (Celsius)
8A:175
Do not adjust
90:128
Time constant for calcu-
lating the adjusted out-
side temperature 21.3 h
50
Possible change
79:1
Control unit is fault man-
ager
7b:0
Do not send time via LON
7F:0
Apartment block
Separate adjustment of
holiday program and time
program for DHW heat-
ing, as option
80:0
Immediate fault message
80:2
The minimum fault dura-
to
tion before a fault mes-
80:199
sage is issued is
adjustable from 10 s to
995 s; 1 step = 5 s
81:0
Manual summer/winter
time changeover
81:2
Use of the radio clock re-
ceiver (automatic recog-
nition)
81:3
Accept time via LON
88:1
Temperature displayed in
°F (Fahrenheit)
90:1
Fast (low values) or slow
to
(high values) matching of
90:199
the flow temperature,
subject to the set value
when the outside tem-
perature changes;
1 step = 10 min

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