Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual page 113

Settings and equipment
Function in the delivered condition
Frost protection
Frost protection active from 1 ºC
Switching hysteresis
Burner switching hysteresis: 4 K
Heating system with DHW heating:
H DHW is heated from the times
when DHW heating is enabled
H With cylinder priority control
H Setting range for DHW temperature
10 to 60 ºC
H The cylinder primary pump starts
when the boiler water temperature
is 7 K higher than the actual DHW
temperature
H The cylinder primary pump runs on
for a max. of 10 minutes after
cylinder heating
H Without adaptive cylinder control
H DHW circulation pump ON only
during active cylinder heating
(cont.)
Modified function
j Frost protection for heating circuit
1 cancelled
j Frost protection for heating circuit
2 cancelled
j Frost protection for heating circuit
1 changed to
j Frost protection for heating circuit
2 changed to
j ERB50 function
j ERB80 function
j Without cylinder priority control
j Setting range for DHW
temperature 10 to 95 ºC
j Cylinder primary pump starts
immediately
j The cylinder primary pump will
be switched OFF when the set
DHW temperature has been
reached
j With adaptive cylinder control
j DHW circulation pump ON
according to its individual time
program
Settings and equipment
ºC
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ºC
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