3
Safety instructions
Safety instructions
(cont.)
If you smell flue gas
¨
Danger
Flue gas can lead to
life−threatening poisoning.
H
Shut down the heating
system
H
Ventilate the boiler room.
H
Close all doors leading to the
living space.
Working on the heating system
H
Isolate the system from the mains
power supply and check that it is
no longer ’live’, e.g. by removing a
separate fuse or by means of a
mains electrical isolator.
H
Safeguard the system against
unauthorised reconnection.
H
When using gas as fuel, also close
the main gas shut−off valve and
safeguard against unauthorised
reopening.
Repair work
!
Please note
Repairing components which
fulfil a safety function can
compromise the safe operation
of your heating system.
Replace faulty components
only with original Viessmann
spare parts.
Ancillary components, spare and
wearing parts
!
Please note
Spare and wearing parts which
have not been tested together
with the heating system can
compromise its function.
Installing non−authorised
components and non−approved
modifications/conversion can
compromise safety and may
infringe our warranty
conditions.
For replacements, use only
original spare parts from
Viessmann or those which are
approved by Viessmann.
5862700GB
