Viessmann Vitocrossal 300 Service Instructions For Contractors page 87

Heating circuit 1, heating circuit 2, heating...
Coding in the delivered condition
A9:7 With pump idle time:
Heating circuit pump
"Off" in case of set value
modification by changing
the operating mode or
changing the set room
temperature
b0:0 With remote control:
Heating mode/reduced
operation: Weather-com-
pensated (change code
only for the heating circuit
with mixer)
b2:8 With remote control and
for the heating circuit,
operation with room tem-
perature hook-up must be
programmed: Room influ-
ence factor 8 (change
code only for heating cir-
cuit with mixer)
b5:0 With remote control: No
room temperature-
dependent heating circuit
pump logic function
(change code only for
heating 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
> 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
(cont.)
Possible change
A9:0 Without pump idle time
A9:1 With pump idle time;
to adjustable from 1 to 15
A9:15
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 64
b2:64
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
Code 2
+ 4 K
set
+ 3 K
set
+ 2 K
set
+ 1 K
set
set
87