Viessmann VITODENS 200-W Service Instructions Manual page 46

Codes
Code 2
(cont.)
Coding in the delivered condition
81:1 Automatic summer/win-
ter time changeover
82:0 Operation with natural
gas
85:0 Standard mode
88:0 Temperature displayed in
°C (Celsius)
8A:175 Never adjust
90:128 Time constant for calcu-
lating the adjusted out-
side temperature
21.3 hours
46
Possible change
81:0 Manual summer/winter
time changeover
81:2 Radio clock module is
automatically detected
81:3 With LON communication
module: The control unit
receives the time
82:1 Operation with LPG (only
adjustable if coding
address 11:9 has been
set)
85:1 Manual calibration of the
combustion controller (only
adjustable if coding
address 11:9 has been
set).
The red fault indicator also
flashes during calibration.
The process has termina-
ted when the red fault indi-
cator no longer flashes
(after approx. 1 min).
Note
Heat must be drawn off
during manual calibration.
88:1 Temperature displayed in
°F (Fahrenheit)
90:0 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;
one step ≙ 10 min.