Viessmann VITOLIGNO 300-P Service Instructions Manual page 76

Codes
Code 2
(cont.)
Coding in the delivered condition
A7:0 Without mixer economy
function
A9:7 With pump idle time:
Heating circuit pump
"OFF" if set value is modi-
fied by changing the
operating mode or chang-
ing the set room temper-
ature
AA:2 With output reduction
(reduced heat transfer by
closing the mixer)
AB:20 Code "AA:2" must be
selected:
Minimum mixer position
when reducing output 10
%
B0:0 With remote control:
Heating mode/reduced
mode: weather-compen-
sated
B2:8 With remote control unit
and for the heating circuit,
operation with room tem-
perature hook-up must be
programmed:
Room influence factor 8
B5:5 With remote control:
With room temperature-
dependent heating circuit
pump logic function
76
Possible change
A7:1 With mixer economy func-
tion (extended heating cir-
cuit pump logic) (see
page 58)
A9:0 Without pump idle time
A9:1 Pump idle time adjustable
to from 1 to 15
A9:15
AA:0 Without output reduction
AA:1 No function
AB:0 Value adjustable from 0 to
to 100 %;
1 step ≙ 0.5 %
AB:200
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
B2:0 Without room influence
B2:1 Room influence factor
to adjustable from 1 to 31
B2:31
B5:0 Without room temperature-
dependent heating circuit
pump logic function