Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual page 84

Code 1
"Heating circuit ..."/group 5
Coding in the delivered condition
Weather-compensated/room temperature hook-up
b0:0 Only for heating circuit
with mixer and remote
control:
Heating mode/reduced
mode: Weather-compen-
sated (only for weather-
compensated control
units)
Economy function room temperature
b5:0 Only for heating circuit
with mixer and remote
control:
No room temperature-de-
pendent heating circuit
pump logic function (only
for weather-compensa-
ted control units)
Parameter ad- With heating circuit pump logic function:
dress b5:... Heating circuit pump "OFF"
1 RT
2 RT
3 RT
4 RT
5 RT
6 RT
7 RT
8 RT
84
(cont.)
> RT + 5 K
actual set
> RT + 4 K
actual set
> RT + 3 K
actual set
> RT + 2 K
actual set
> RT + 1 K
actual set
> RT
actual set
> RT – 1 K
actual set
> RT – 2 K
actual set
Possible change
b0:1 Heating mode: weather-
compensated.
Reduced mode: With room
temperature hook-up
b0:2 Heating mode: With room
temperature hook-up
Reduced mode: Weather-
compensated
b0:3 Heating mode/reduced
mode: With room tempera-
ture hook-up
b5:1 Heating circuit pump logic
to function, see the following
b5:8 table
Heating circuit pump "ON"
RT < RT
actual
RT < RT
actual
RT < RT
actual
RT < RT
actual
RT < RT
actual
RT < RT
actual
RT < RT
actual
RT < RT
actual
+ 4 K
set
+ 3 K
set
+ 2 K
set
+ 1 K
set
set
– 1 K
set
– 2 K
set
– 3 K
set