Vaillant ecoTEC exclusive 627 Operating Instructions Manual page 4

1 Safety
1.3.4 Risk of death due to blocked or
leaking flue pipework
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.
▶ Inform a competent person.
1.3.5 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).
1.3.6 Risk of death due to changes to the
product or the product environment
▶ Never remove, bridge or block the safety
devices.
▶ Do not tamper with any of the safety
devices.
▶ Do not damage or remove any seals on
components.
▶ Do not make any changes:
– The product itself
– to the gas, air, water and electricity sup-
plies
– to the entire flue gas installation
– to the entire condensate drain system
– to the expansion relief valve
– to the drain pipework
– to constructional conditions that may
affect the operational reliability of the
product
1.3.7 Risk of poisoning caused by
insufficient combustion air supply
Conditions: Open-flued operation
▶ Ensure that there is a sufficient combus-
tion air supply.
1.3.8 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.
4
▶ 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.
1.3.9 Risk of material damage caused by
frost
▶ Ensure that the heating installation always
remains in operation during freezing con-
ditions and that all rooms are sufficiently
heated.
▶ If you cannot ensure the operation, have a
competent person drain the heating install-
ation.
1.3.10 Risk of injury and material damage
due to maintenance and repairs
carried out incorrectly or not
carried out at all
▶ Never attempt to carry out maintenance
work or repairs on your product yourself.
▶ Faults and damage should be immediately
rectified by a competent person.
▶ Adhere to the maintenance intervals spe-
cified.
Operating instructions ecoTEC exclusive 0020193967_01