Viessmann VITODENS 200-W Service Instructions Manual page 49

Heating circuit 1, heating circuit 2, heating...
Coding in the delivered condition
Weather-compensated/room temperature hook-up
b0:0 With remote control:
Heating mode/reduced
mode: weather-compen-
sated (only for weather-
compensated control
units; change the code
only for the heating circuit
with mixer)
Economy function room temperature
b5:0 With remote control: No
room temperature-
dependent heating circuit
pump logic function (only
for weather-compensa-
ted control units; change
the code only for the heat-
ing circuit with mixer)
Parameter With heating circuit pump logic function:
address b5:... Heating circuit pump "OFF"
1 RT
2 RT
3 RT
4 RT
5 RT
6 RT
7 RT
8 RT
Coding in the delivered condition
Min. flow temperature heating circuit
C5:20 Electronic minimum flow
temperature limit 20 °C
(only for weather-com-
pensated control units)
> 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
(cont.)
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
Possible change
C5:1 Minimum limit adjustable
to from 1 to 127 °C (limited by
C5:127 boiler-specific parameters)
Code 1
+ 4 K
set
+ 3 K
set
+ 2 K
set
+ 1 K
set
set
- 1 K
set
- 2 K
set
- 3 K
set
49