Vaillant ecoTEC plus VU 446/5-5 (H-GB) Installation And Maintenance Instructions Manual page 5

1.3.9 Risk of death from escaping flue gas
Applicability: Not for Great Britain
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.
Condition: Permitted B23 or B23P unit
types with condensate siphon (third-party
accessory)
– Water seal level: ≥ 200 mm
1.3.10 Risk of death from escaping flue gas
Applicability: Great Britain
If you operate the product with an empty con-
densate trap / siphon, then flue gas may es-
cape into the room air.
▶ In order to operate the product, ensure that
the condensate trap / siphon is always full.
Condition: Permitted B23 or B23P unit
types with condensate siphon (third-party
accessory)
– Water seal level: ≥ 200 mm
1.3.11 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.
1.3.12 Risk of poisoning caused by
insufficient combustion air supply
Condition: 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.
1.3.13 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
0020261389_02 ecoTEC plus Installation and maintenance instructions
when the front casing is installed and
closed.
1.3.14 Risk of being burned or scalded by
hot components
▶ Only carry out work on these components
once they have cooled down.
1.3.15 Risk of injury due to the heavy weight
of the product
▶ Make sure that the product is transported
by at least two people.
1.3.16 Risk of material damage caused by
using an unsuitable tool
▶ Use the correct tool.
1.3.17 Risk of material damage caused by
frost
▶ Do not install the product in rooms prone
to frost.
1.3.18 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 flue
system.
▶ 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.
▶ 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 the room air is technically
free of chemical substances.
Applicability: Except Great Britain
▶ 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.
Safety 1
5