Stopping Dhw Heating - Viessmann VITOLIGNO 300-P Operating Instructions Manual

Starting DHW heating only
■ Central heating is disabled for the
selected heating circuit.
■ DHW heating (if a DHW cylinder is
installed) is enabled and the DHW
circulation pump (if installed) is ON
according to the selected time
programs.
Standard setting:
From 05:30 to 22:00 h, DHW is
boosted to the set temperature, and
the DHW circulation pump is switched
ON.
Observe the information on
page 27.
■ The boiler and the DHW cylinder are
protected against frost.

Stopping DHW heating

You want to heat your rooms, but do not want to make DHW available.
Press the following keys:
1. "MENU".
2. |/~ for selecting "Heating circuit
1" (HK1), "Heating circuit
2" (HK2) or "Common
circuit".
3. d
to confirm.
4. |/~ for "Heating program".
5. d to confirm.
6. |/~ for "Heating and DHW".
(cont.)
Note
The heating circuit pumps are briefly
started every 24 hours to prevent them
from seizing up.
7. d to confirm.
In the display "Accepted"
appears briefly and a check
mark appears in the relevant
box.
Heating program
Heating and DHW
DHW only
Standby mode
8. Delete the time phases for DHW
heating (see page 32)
or
Set the DHW temperature to 10 °C
(see page 28).
Start-up/shutdown
HK1
15