Viessmann VITOLIGNO 300-P Service Instructions Manual page 59

Code 1
(cont.)
Coding in the delivered condition
Set changeover
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
Room shutdown
B5:5 With remote control:
With room temperature-
dependent heating circuit
pump logic function
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
Minimum limit
C5:20 Electronic minimum flow
temperature limit 20 °C
(only enabled during
operation with standard
room temperature)
Maximum limit
C6:75 Electronic maximum flow
temperature limit set to
75 °C
> 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
− 1 K
> RT
actual set
− 2 K
> RT
actual set
Possible change
A9:0 Without pump idle time
A9:1 Pump idle time adjustable
to from 1 to 15
A9:15
B5:0 Without room temperature-
dependent heating circuit
pump logic function
B5:1 With room temperature-
to dependent heating circuit
B5:8 pump logic function (see
the following 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
C5:127
C6:10 Maximum limit adjustable
to from 10 to 127 °C
C6:127
Codes
+ 4 K
set
+ 3 K
set
+ 2 K
set
+ 1 K
set
set
−1 K
set
−2 K
set
−3 K
set
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