Shutting Down A Heating Circuit And Stopping Dhw Heating - Viessmann VITODENS Operating Instructions Manual

Start-up/shutdown
Starting a heating circuit and DHW heating
Press G for "Htg.+ DHW" again.
& Central heating will be provided with
standard or reduced room tempera-
ture (frost protection) according to
the set time program. Standard set-
ting: from 06:00 to 22:00 h with the
standard room temperature, other-
wise with the reduced room tem-
perature.
& DHW heating (if a DHW cylinder or
instantaneous water heater is
installed) and DHW circulation
pump running (if connected to the
control unit) according to the
selected time program. Standard
setting: from 05:30 to 22:00 h, DHW
is heated to the selected set tem-
perature and the DHW circulation
pump is switched ON.
& Frost protection for the boiler and
the DHW cylinder is enabled.

Shutting down a heating circuit and stopping DHW heating

You do not want to heat your rooms or have DHW available.
Press K for "Standby mode".
14
(cont.)
Note
Key G illuminates:
& Symbol "s" appears during central
heating with standard room tem-
perature.
& Symbol "m" appears during central
heating with a reduced room tem-
perature above 3 °C.