Operating Program - Viessmann VITODENS Operating Instructions Manual

Operating program

Operating programs for central heating, DHW, frost protection
Note
DHW heating is only shown if your boiler is equip-
ped with a DHW heating function.
Symbol Operating program
Central heating and DHW heating
"Heating and DHW"
DHW heating
"Only DHW"
Frost protection
"Standby mode"
Operating programs for ventilation
Operating program
"Standby mode"
"Basic mode"
"Automatic mode"
Note
The respective air flow rates for "Reduced", "Normal"
and "Intensive operation" are set by your heating
contractor.
Operating status
—
—
"Reduced"
"Normal"
"Intensive operation"
Function
The rooms of the selected heating circuit are
■
heated in accordance with the room temperature
and time program specified (see chapter "Central
heating").
DHW is heated in accordance with the DHW
■
temperature and time program specified (see
chapter "DHW heating").
DHW is heated in accordance with the DHW
■
temperature and time program specified (see
chapter "DHW heating").
No central heating
■
Frost protection for the boiler and the DHW cylin-
■
der is enabled.
No central heating
■
No DHW heating
■
Frost protection for the boiler and the DHW cylin-
■
der is enabled.
Air flow rate
No ventilation
Minimum air flow rate
Reduced air flow rate
Approx. 70 % of the nominal air flow
rate; see operating status "Normal"
Standard air flow rate
If a humidity and/or CO
2
stalled in your home, the air flow rate
is adjusted subject to the humidity
and/or CO concentration.
2
Maximum air flow rate
Approx. 125 % of the nominal air flow
rate; see operating status "Normal"
Operation
Ventilation
level
0
1
2
3
sensor is in-
4
15