19
1. Check the heating system pressure
at the pressure gauge. The system
pressure is too low if the indicator
points to the area below 1.0 bar or is
below the red band. In this case, top
up with water or notify your local heat-
ing contractor.
2. Check that the ventilation apertures
of the installation room are open and
unrestricted.
Note
With open flue operation, the com-
bustion air is drawn from the installa-
tion room.
3. Open the shut-off valves in the oil
lines (at the tank and filter) or open
the gas shut-off valve.
4. Switch ON the power supply, e.g. at
a separate MCB/fuse or a mains iso-
lator.
5. Switch ON the ON/OFF switches at
all Vitotronic 100 and at the
Vitotronic 300-K (see chapter "Con-
trols").
After a short time, the following is
shown on the display:
■ Vitotronic 100: the standard display
(see page 11)
■ Vitotronic 300-K: the standard
menu (see page 13)
The green ON indicator illuminates.
Your heating system and, if installed,
your remote control units are now
ready to operate.
Note
On every Vitotronic 100, " " must be
selected, otherwise the Vitotronic 300-K
cannot use the corresponding boiler to
produce heat.
Stopping the heating system
With frost protection monitoring
At the Vitotronic 300-K, select the heat-
ing program "Standby mode" for
every heating circuit.
■ No central heating.
■ No DHW heating.
■ Frost protection for the heating circuits
and the DHW cylinder is active.
Extended menu
1.
2. "Heating"
3. Select the heating circuit if necessary
(see page 21).
4. "Heating program"
5. "Standby mode" (frost protection
monitoring)
Note
The circulation pumps are briefly started
every 24 hours to prevent them from
seizing up.
Start-up/shutdown
Starting the heating system
(cont.)
5592 675 GB
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