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

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1.3.4 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.
1.3.5 Risk of death from escaping gas
What to do if you smell gas in the building:
▶ Avoid rooms that smell of gas.
▶ If possible, open doors and windows fully
and ensure adequate ventilation.
▶ Do not use naked flames (e.g. lighters,
matches).
▶ Do not smoke.
▶ Do not use any electrical switches, mains
plugs, doorbells, telephones or other com-
munication systems in the building.
▶ If it is safe to do so, close the emergency
control valve or the main isolator.
▶ If possible, close the gas stopcock on the
product.
▶ Warn other occupants in the building by
yelling or banging on doors or walls.
▶ Leave the building immediately and ensure
that others do not enter the building.
▶ Notify the gas supply company or the Na-
tional Grid +44 (0) 800 111999 by tele-
phone once you are outside of the build-
ing.
1.3.6 Risk of damage to the flexible gas
pipe
The corrugated gas pipe may become dam-
aged if weight is placed on it.
▶ Do not suspend the compact thermal
module on the flexible gas pipe, for
example during maintenance work.
1.3.7 Risk of death from leaks if the
product is installed below ground
level
Liquid gas accumulates at floor level. If the
product is installed below ground level, liquid
gas may accumulate at floor level if there
are any leaks. In this case, there is a risk of
explosion.
0020134823_07 ecoTEC plus Installation and maintenance instructions
▶ Make sure that liquid gas cannot escape
from the product or the gas pipe under any
circumstances.
1.3.8 Risk of death due to blocked or
leaking flue gas routes
Installation errors, damage, tampering, imper-
missible 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.
1.3.9 Risk of death from escaping flue gas
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
1.3.10 Risk of death due to explosive and
flammable materials
▶ Do not use the product in storage rooms
that contain explosive or flammable sub-
stances (such as petrol, paper or paint).
1.3.11 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.
1.3.12 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
Safety 1
5

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