Viessmann Vitoligno 250-S Installation And Service Instructions For Contractors page 41

Wood gasification boiler for logs with a length of 50 cm or 100 cm
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Buffer cylinder group
Coding
Coding in the delivered condition
Controlled buffer operation
50:1
Heating water buffer cylinder is
charged in control mode.
DHW group
Coding
Coding in the delivered condition
DHW differential
0C:0
The differential temperature of
DHW heating (differential between
contact temperature sensor and
immersion temperature sensor) is
determined automatically.
DHW return temperature
0D:10
Flow control active. Set return tem-
perature corresponds to DHW tem-
perature plus 10 °C
Additional heat generator group
Only available if an additional heat source is installed
(Hardware group: Code "Burner / Additional boiler":
No).
Possible change
50:0
Heating water buffer cylinder is not
charged in control mode.
Possible change
0C:1
Differential temperature is adjustable
to
from 1 to 20 °C
0C:20
0D:0
Flow control deactivated. Valve is al-
ways fully open.
0D:1
Flow control active. Set return tem-
to
perature corresponds to DHW tem-
0D:30
perature plus value set in °C.
Code 1
41

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