Vaillant ecoTEC plus VU Series Installation And Maintenance Instructions Manual page 5

1.3.4 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.
1.3.5 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.
1.3.6 Risk of death due to cabinet-type
casing
Cabinet-type casing can give rise to danger-
ous situations when used on a product which
is operated with an open flue.
▶ Ensure that the product is supplied with
sufficient combustion air.
1.3.7 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.
1.3.8 Risk of poisoning caused by
insufficient supply of combustion
air
Conditions: Open-flued operation
▶ Ensure that the air supply to the product's
installation room is permanently unobstruc-
ted and sufficient in accordance with the
relevant ventilation requirements.
0020029173_04 ecoTEC plus Installation and maintenance instructions
1.3.9 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.
1.3.10 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:
▶ 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.
▶ Check that there is no voltage.
1.3.11 Risk of being burned or scalded by
hot components
▶ Only carry out work on these components
once they have cooled down.
1.3.12 Risk of death from escaping flue
gas
If you operate the product with an empty con-
densate siphon, flue gas may escape into the
room air.
▶ In order to operate the product, ensure that
the condensate siphon is always full.
1.3.13 Risk of death from escaping flue
gas
If you operate the product with an empty con-
densate trap, flue gas may escape into the
room air.
▶ In order to operate the product, ensure that
the condensate trap is always full.
1.3.14 Risk of scalding from hot water
There is a risk of scalding at the hot water
draw-off points if the hot water temperatures
Safety 1
5