Viessmann B2TF - Dhw

64
Note
Parameter values in bold are factory settings.
497.0 " Operating mode of DHW circulation pump"
Setting Explanations
DHW circulation pump:
0 Time program
4 Selected cycle (see parameter 497.3)
497.1 "DHW circulation pump for auxiliary function DHW heating"
Setting Explanations
DHW circulation pump:
OFF 0 In accordance with the selected time program
ON 1 ON during hygiene function
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.
497.2 "DHW circulation pump for DHW heating"
Setting Explanations
DHW circulation pump:
Off 0 In accordance with the selected time program
On 1 ON during DHW heating to standard set value
503.0 "Scald protection"
Setting Explanations
The adjustable water temperature is limited to a maxi-
mum value.
OFF 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.
ON 1 Scald protection ON (maximum DHW temperature 60
°C)
Note
Even with the scald protection switched on, higher
outlet temperatures may occur at the draw-off points
in the following cases:
■
With active hygiene function
■
While the appliance is being calibrated
System configuration (parameters)
DHW
6151778
Parameter