Starting Dhw Heating Only; Stopping Dhw Heating - Viessmann Vitotronic 100 HC1 User's Manual And Operating Instructions

Start-up / Shutdown

Starting DHW Heating Only

Stopping DHW Heating

18
You do not want to heat any rooms, but
you want to make DHW available.
Press the following keys:
1. / / for the required heating
3
circuit.
2. for "Htg. + DHW".
You want to heat your rooms, but do
not want to make DHW available.
Press the following keys:
1. / / for the required heating
3
circuit.
2. for "Htg. + DHW".
3. Delete the time phases for DHW
heating (see page 27).
or
Set the DHW temperature to 10°C /
50°F (see page 24).
Central heating is disabled for that
heating circuit.
DHW heating (if DHW tank is
installed) is enabled and the DHW
recirculation pump (if installed) is ON
according to the selected time
program.
Standard setting:
From 05:30 to 22:00 hrs. DHW is
boosted to the set temperature, and
the DHW recirculation pump is
switched ON.
The boiler and the DHW tank are
protected against frost.
Note:
The heating circuit pumps are briefly
started automatically every 24 hours to
prevent them from seizing up.
Central heating will be implemented
with normal or reduced room
temperature (frost protection)
according to the set time program.
Standard setting:
From 06:00 to 22:00 hrs. normal
room temperature; otherwise reduced
room temperature.
No DHW heating.
The boiler and the DHW tank are
protected against frost.
Note:
The DHW primary pump is briefly
started automatically every 24 hours to
prevent it from seizing up.