Heating Circuit 1, Heating Circuit 2, Heating Circuit 3, Heating Circuit 4 - Viessmann VITODENS 222-F Installation And Service Instructions Manual

System configuration (parameters)
DHW
(cont.)
497.2 "DHW circulation pump for DHW heating"
Setting
OFF
ON
503.0 "Scald protection"
Setting
OFF
ON
1101.2 "Set speed of the primary circuit pump for DHW heating"
Setting

Heating circuit 1, Heating circuit 2, Heating circuit 3, Heating circuit 4

Note
Parameter values in bold are factory settings.
424.3 "Set flow temperature increased when switching from operation with reduced room temperature to
operation with standard/comfort room temperature, heating circuit 1"
Setting
0 K
424.4 "Duration for set flow temperature increase, heating circuit 1"
Setting
60 min
60
Explanations
DHW circulation pump:
0 OFF during DHW heating to standard set value
1 ON during DHW heating to standard set value
Explanations
The adjustable water temperature is limited to a maxi-
mum value.
0 Scald protection OFF
Danger
Risk of injury due to increased DHW tempera-
ture.
Inform the system user of the risk from the high-
er outlet temperature at the taps.
1 Scald protection ON (maximum value 60 °C)
Explanations
Set speed of the internal circulation pump when oper-
ated as a circulation pump for cylinder heating
... Delivered condition specified by settings specific to
the appliance
20 to 100 Set speed adjustable from 20 to 100 %
Explanations
Set flow temperature increased when changing from
operation at reduced room temperature to operation at
standard room temperature or comfort room tempera-
ture.
See also chapter "Function description"
0 Delivered condition increase 0 K
0 to 20 Temperature rise adjustable from 0 to 20 K
Explanations
Duration for set flow temperature increase
See also chapter "Function description"
60 Delivered condition 60 min
0 to 120 Temperature rise adjustable from 0 to 120 min