Manual Modeh - Viessmann vitocal 300-g Operating Instructions Manual

Start-up/shutdown
Starting DHW only w
Set the operating mode selector to w.

Manual modeh

Note
Use this operating mode only after checking with your local heating contractor.
Set the operating mode selector to h.
The display will then show symbol h.
20
(cont.)
■ DHW heating in accordance with the
selected switching times and operat-
ing modes (see page 30)
■ Frost protection for the heat pump,
DHW cylinder and heating water buffer
cylinder (if installed) is enabled
■ No central heating
■ Cooling via the NC or AC functions
only if a separate cooling circuit has
been installed for this purpose
■ No cooling by the NC or AC functions
if integrated into a heating circuit
■ Unregulated heating of the connected
heating circuits with a set flow temper-
ature of up to 45 °C
■ DHW heating to the second set tem-
perature (delivered condition 60 °C;
see page 34)
■ No cooling