Viessmann Vitodens 333 Service Instructions Manual page 54

Coding
Code 2
(cont.)
Coding in the delivered condition
A9:7 With pump idle period:
Heating circuit pump
"OFF" when the set
value changes through
a change in operating
mode or through a
change in the set room
temperature (only for
weather-compensated
control units)
b0:0 With remote control:
Heating mode/reduced
mode: weather-com-
pensated (only for
weather-compensated
control units; change
the coding only for the
heating circuit with
mixer M2)
b2:8 With remote control unit
and for the heating cir-
cuit, heating with room
temperature hook-up
must be encoded:
Room influence factor 8
(only for weather-com-
pensated control units;
change the coding only
for the heating circuit
with mixer M2)
b5:0 With remote control: No
room temperature-de-
pendent heating circuit
pump logic function
(only for weather-com-
pensated control units;
change the coding only
for the heating circuit
with mixer M2)
54
Possible change
A9:0 Without pump idle period
A9:1 With pump idle period,
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 tem-
perature 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
to logic function, see the fol-
b5:8 lowing table: