Viessmann VITODENS 242-F Installation And Service Instructions Manual page 103

"General"
(cont.)
Coding in the delivered condition
81:1 Automatic summer/win-
tertime changeover
82:0 Operation with natural
gas
86:... Do not adjust
87:... Do not adjust
88:0 Temperature displayed in
°C (Celsius)
8A:175 Do not adjust
8F:0 Operation enabled in
standard menu and ex-
tended menu.
Note
The respective code is
only activated when you
exit the service menu.
90:128 Time constant for calcu-
lating adjusted outside
temperature 21.3 h
Possible change
80:2 The minimum fault duration
to until a fault message is is-
80:199 sued is adjustable from 10
to 995 s.
1 step ≙ 5 s
81:0 Manual summer/winter-
time changeover
81:2 Use of the radio clock re-
ceiver (automatic recogni-
tion)
81:3 With LON communication
module:
The control unit receives
the time
82:1 Operation with LPG (only
adjustable if coding ad-
dress "11:9" has been set)
88:1 Temperature displayed in
°F (Fahrenheit)
8F:1 Operation blocked in
standard menu and exten-
ded menu.
Emissions test mode can
be enabled.
8F:2 Operation enabled in
standard menu and
blocked in extended
menu.
Emissions test mode can
be enabled.
90:1 Fast (low values) or slow
to (high values) matching of
90:199 the flow temperature, sub-
ject to the set value when
the outside temperature
changes.
1 step ≙ 10 min
Code 2
103