Viessmann Vitoligno 300-C Installation And Service Instructions For Contractors page 55

Code 1
(cont.)
Coding in the delivered condition
Mixer economy function
A7:0 Without mixer economy function
Room sensor room hook-up
B0:0 Is available if code "A0:1" or
"A0:2", heating group, is set.
Heating mode/reduced mode:
Weather-compensated mode with-
out room temperature hook-up
Room sensor room influence factor
B2:0 No room influence factor
Room sensor summer eco function
B5:0 Without room temperature-de-
pendent heating circuit pump logic
function
Parameter ad- Heating circuit pump "Off"
dress "B5":
Summer eco function active
1 RT
actual
2 RT
actual
3 RT
actual
4 RT
actual
5 RT
actual
6 RT
actual
7 RT
actual
8 RT
actual
RT + 5 K
>
set
RT + 4 K
>
set
RT + 3 K
>
set
RT + 2 K
>
set
RT + 1 K
>
set
RT
>
set
RT 1 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":
The mixer has been closed for lon-
ger than 20 min.
Heating circuit pump "On":
Mixer changes to control function
■
or
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 Is available if code "A0:1" or
to "A0:2", heating group, is set.
B5:8 With room temperature-dependent
heating circuit pump logic function
(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
RT < RT
actual set
RT < RT
actual set
RT < RT
actual set
RT < RT
actual set
Codes
+ 4 K
+ 3 K
+ 2 K
+ 1 K
1 K
−
2 K
−
3 K
−
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