Manual Mode - Viessmann VITOCAL 300-A Operating Instructions Manual

Starting DHW heating only
■ Cooling via a separate cooling circuit
is activated all day with the room tem-
perature specified for this (see
page 24)
■ DHW heating is activated according to
the set switching times and operating
modes (see page 29 onwards)

Manual mode

Note
Use this operating mode only after checking with your local heating contractor.
■ Unregulated heating of the heating
circuits connected takes place with a
set flow temperature of up to 45 °C
■ DHW heating to the second set tem-
perature (delivered condition 60 °C;
see page 33)
■ No cooling
(cont.)
Set the operating mode selector to w.
■ Frost protection for the heat pump,
DHW cylinder and heating water buffer
cylinder (if installed) is enabled
■ No central heating
■ No cooling via a heating circuit
Set the operating mode selector to h.
Start-up/shutdown
19