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adhesives etc. contain the kind of substances that can
lead to corrosion even in the exhaust system when the
appliance is operated depending on the ambient air in the
worst case scenario. Particularly in hair-cutting salons,
lacquering and finishing, cleaning facilities, the appliance
must be operated independent of the ambient air!
Otherwise, a separate installation room is required to
guarantee that the air supply is free of the above
mentioned substances.
3.5
Gas supply
The gas supplier should ensure the availability of an
adequate supply of gas. A gas meter may only be
connected to the service pipe by the supplier of gas or
their contractor. An existing meter should be checked to
ensure that it is capable of passing the rate of gas
supply required. Installation pipes should be fitted in
accordance with BS 6891. In IE the current edition of IS
813. Pipework from the meter to the boiler must be of an
adequate size. Do not use pipes of a smaller size than
the boiler gas connection (15 mm). The complete
installation must be checked for leaks and purged as
described in BS 6891.
3.6
Flue pipe
a
Danger!
Risk of injury and risk of damage from use
of non-approved flue pipes!
Vaillant appliances are certified only for use
with genuine Vaillant flue pipes. The use of
other accessories can cause personal injury
and material damage as well as operating
faults.
> Only use genuine Vaillant flue pipes.
i
The CE mark is valid only if the appliance is
operated with Vaillant flue pipes. You will find
a list of genuine flue pipes in the Vaillant
installation manual for flue pipes.
Instructions for installation and servicing ecoTEC 839592_13
General requirements
3.6.1
Standard 100 mm flue system
Fig. 3.4 Art. No. 303 933
A standard 100 mm flue system (Art. No. 303 933) is
available. Refer to flue system installation instructions
for full details.
Flue extensions are available to extend this length up to
8 m. Both 90° bends and 45° elbows are also available
to increase siting flexibility.
Fig. 3.5 Art. No. 0020060570
3.6.2
Optional 125 mm flue system
A concentric flue system of 125 mm outside diameter is
available and can be used to achieve flue lengths up to
25 m.
A vertical flue system is also available. Refer to flue
system installation instructions for full details.
3
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