Start-Up/Shutdown; Starting The Heating System - Viessmann VITODENS Operating Instructions Manual

Start-up/shutdown

Starting the heating system

A B C
2
1 3
0 4
bar
E
A Fault indicator (red)
B ON indicator (green)
C Reset button
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. In
this case, top up with water or notify
your local heating contractor.
2. For open flue operation:
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 gas shut-off valve.
Note
Ask your heating contractor to
explain the positioning and handling
of these components.
10
°C
4 8
s A
D ON/OFF switch
E Pressure gauge
4. Switch ON the power supply, e.g. at
a separate MCB/fuse or a main iso-
lator.
5. Switch system ON/OFF switch " "
ON.
After a short while, the standard dis-
play appears and the green ON indi-
cator illuminates. Your heating sys-
tem and room temperature control
unit (if connected) are now ready for
operation.
D