Vaillant home combi Installation And Maintenance Instructions Manual page 5

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▶ In order to operate the product, ensure that
the condensate siphon is always full.
1.4.3 Risk of death due to blocked or
leaking flue gas routes
Installation errors, damage, tampering, unau-
thorised installation sites or similar can cause
flue gas to escape and result in a risk of pois-
oning.
What to do if you smell flue gas in the prop-
erty:
▶ Open all accessible doors and windows
fully to provide ventilation.
▶ Switch off the product.
▶ Check the flue gas routes in the product
and the flue gas diversions.
1.4.4 Risk of death due to explosive and
flammable materials
▶ Do not use or store explosive or flammable
materials (e.g. petrol, paper, paint) in the
installation room of the product.
1.4.5 Risk of death from electric shock
There is a risk of death from electric shock if
you touch live components.
Before commencing work on the product:
▶ Unplug the mains plug.
▶ Or disconnect the product from the power
supply by switching off all power supplies
(electrical partition with a contact opening
of at least 3 mm, e.g. fuse or line protec-
tion switch).
▶ Secure against being switched back on
again.
▶ Wait for at least 3 minutes until the con-
densers have discharged.
1.4.6 Risk of death due to lack of safety
devices
The schematic drawings included in this doc-
ument do not show all safety devices re-
quired for correct installation.
▶ Install the necessary safety devices in the
system.
▶ Observe the applicable national and inter-
national laws, standards and guidelines.
0020224355_00 HOME Installation and maintenance instructions
1.4.7 Risk of poisoning and burns caused
by escaping hot flue gases
▶ Only operate the product if the air/flue pipe
has been completely installed.
▶ With the exception of short periods for
testing purposes, only operate the product
when the front casing is installed and
closed.
1.4.8 Risk of being burned or scalded by
hot components
▶ Only carry out work on these components
once they have cooled down.
1.4.9 Risk of injury during transport due
to a high product weight.
▶ Make sure that the product is transported
by at least two people.
1.4.10 Risk of corrosion damage due to
unsuitable combustion and room
air
Sprays, solvents, chlorinated cleaning
agents, paint, adhesives, ammonia com-
pounds, dust or similar substances may lead
to corrosion on the product and in the air/flue
pipe.
▶ Ensure that the supply of combustion air is
always free of fluorine, chlorine, sulphur,
dust, etc.
▶ Ensure that no chemical substances are
stored at the installation site.
▶ Ensure that the combustion air is not
routed through chimneys which have
previously been used with floor-standing
oil-fired boilers, or with other boilers,
which could cause soot to build up in the
chimney.
▶ If you are installing the product in
hairdressing salons, painter's or joiner's
workshops, cleaning businesses or similar
locations, choose a separate installation
room in which a combustion air supply is
ensured that is technically free of chemical
substances.
1.4.11 Risk of material damage caused by
frost
▶ Do not install the product in rooms prone
to frost.
Safety 1
5

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