Viessmann Vitoligno 250-S Installation And Service Instructions For Contractors page 38

Wood gasification boiler for logs with a length of 50 cm or 100 cm
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Code 1
Heating group
(cont.)
Coding in the delivered condition
Mixer economy function
A7:0
Without mixer economy function
Room temperature sensor, room hook-up
B0:0
Heating mode/reduced mode:
Weather-compensated mode with-
out room temperature hook-up
Note
Only available if a remote control
unit is connected in this heating
circuit (Code A0:
Room temperature sensor, room influence
B2:0
Room influence factor 0 is set
Note
Only available if a remote control
unit is connected in this heating
circuit (code A0:
temperature hook-up is set (code
B0:
0).
Room temperature sensor, summer eco function
B5:0
Without room temperature-de-
pendent heating circuit pump logic
function
Note
Only available if a remote control
unit is connected in this heating
circuit (Code A0:
Parameter ad-
Heating circuit pump "Off"
dress B5: ...
Summer eco function active
1
RT
actual
2
RT
actual
3
RT
actual
4
RT
actual
38
0).
0) and a room
0).
RT
+ 5 K
>
set
RT
+ 4 K
>
set
RT
+ 3 K
>
set
RT
+ 2 K
>
set
Possible change
A7:1
With mixer economy function (exten-
ded heating circuit pump logic):
Heating circuit pump also "Off":
If the mixer has been trying to
close for more than 20 min.
Heating circuit pump "On":
If the mixer changes to control
function
If there is a risk of frost
B0:1
Heating mode: Weather-compensa-
ted mode without room temperature
hook-up
Reduced mode: Weather-compen-
sated mode with room temperature
hook-up
B0:2
Heating mode: Weather-compensa-
ted mode with room temperature
hook-up
Reduced mode: Weather-compen-
sated mode without room tempera-
ture hook-up
B0:3
Heating mode/reduced mode:
Weather-compensated mode with
room temperature hook-up
B2:1
Room influence factor adjustable
to
from 1 to 31
B2:31
B5:1
With room temperature-dependent
to
heating circuit pump logic function
B5:8
(see the following table)
Heating circuit pump "On"
Summer eco function passive
RT
< RT
actual
set
RT
< RT
actual
set
RT
< RT
actual
set
RT
< RT
actual
set
+ 4 K
+ 3 K
+ 2 K
+ 1 K

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