Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 69

DHW
(cont.)
05 Set flow temperature for cylinder heating
Display
Set system flow temperature
Max. set system flow temperature for DHW
heating
06 Differential, set boiler water temperature to set DHW temperature
Display
20 K if the set boiler water temperature is
above the set cylinder temperature
... K if the set boiler water temperature is
above the set cylinder temperature
07 Circulation pump for cylinder heating
Display
The circulation pump for tank heating starts
depending on the boiler water temperature
Started immediately.
08 Circulation pump run-on
Display
10 min
No run-on
... min
0A In comfort mode and after external changeover to constant operation with the standard
room temperature
Display
No DHW heating; DHW circulation pump
OFF
DHW heating and DHW circulation pump
according to time program
In comfort mode and after external change-
over to constant operation with the stand-
ard room temperature: Constant DHW
heating enabled and DHW circulation pump
ON
Value Explanations
05:0 The set flow temperature is determined by the highest
system flow temperature demand.
05:1 The set flow temperature is determined by the cylinder
flow temperature demand.
Value Explanations
06:20 During DHW heating, the boiler water temperature is
at least 20 K higher than the set DHW temperature.
06:0 to Differential between the boiler water temperature and
06:50 the set DHW temperature
Adjustable from 0 to 50 K
Value Explanations
07:0
07:1
Value Explanations
08:10 Circulation pump with max 10 min run-on time after
cylinder heating
08:0 No circulation pump run-on
08:1 to Adjustable from 1 to 15 min
08:15
Value Explanations
0A:0
0A:1
0A:2
Parameter
69