Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual page 112

Settings and equipment
Settings and equipment
Function in the delivered condition
Heating circuit pumps
In the Heating and DHW program,
the heating circuit pumps are
switched OFF , when the outside
temperature exceeds the set room
temperature by more than 1 K.
In the DHW only program,
H the heating circuit pumps are
only started when there is a risk
of frost,
H any connected mixer stays closed
(when there is a risk of frost, it
changes to control mode).
Heating circuit 1 without mixer
Heating mode/reduced mode
weather−compensated
Heating circuit 2 with mixer
Heating mode/reduced mode
weather−compensated
112
(cont.)
Modified function
j Heating circuit pump for heating
circuit 1 remains ON
j Heating circuit pump for heating
circuit 2 remains ON
j Heating circuit pumps are switched
OFF before the set room
temperature is achieved
j Heating circuit pump for heating
circuit 1 or 2 are switched subject to
coding address b5
j Heating circuit pump for heating
circuit 2 is switched OFF , if the mixer
was closed longer than 12 min
j Heating mode: weather−compensated,
red. mode:
j Heating mode: with room temperature
red. mode:
j Heating mode/
red. mode:
j Heating mode: weather−compensated,
red. mode:
j Heating mode: with room
red. mode:
j Heating mode/
red. mode:
with room temperature
hook−up
hook−up,
weather−compensated
with room temperature
hook−up
with room
temperature hook−up
temperature hook−up,
weather−compensated
with room
temperature hook−up