Viessmann Vitotronic 200 Series Operating Instructions For The System User page 3

For your safety
(cont.)
If you smell gas
Danger
Escaping gas can lead to explosions which may
result in serious injury.
■ Never smoke. Prevent naked flames and
sparks. Never switch lights or electrical appli-
ances on or off.
Close the gas shut-off valve.
■
Open windows and doors.
■
■ Evacuate any people from the danger zone.
■ Notify your gas and power supply utility and
your local heating contractor from outside the
building.
Have the power supply to the building shut off
■
from a safe place (outside the building).
If you smell flue gas
Danger
Flue gas can lead to life threatening poisoning.
■ Shut down the heating system.
■ Ventilate the installation site.
Close all doors in the living space.
■
In case of fire
Danger
Fire presents a risk of burns and explosion.
Shut down the heating system.
■
■ Close the shut-off valves in the fuel supply
lines.
■ Use a tested fire extinguisher, class ABC.
In case of water leaking from the appliance
Danger
Water leaking from the appliance poses an elec-
trocution hazard.
Switch off the heating system at the external
■
isolation point (e.g. fuse box, domestic power
distribution unit).
■ Notify your local heating contractor.
What to do if the heating system develops a fault
Danger
Fault messages point to faults in the heating
system. If faults are not rectified, they can have
life threatening consequences.
Never acknowledge fault messages several
times in quick succession. Inform your heating
contractor so the cause can be analysed and
the fault rectified.
Safety instructions
3