59
ENG
User Manual: Installation Of The Cooker
3.5 Connection to the gas
supply: current installation
standards
The cooker should be connected according
BS 6172-1990, using either a rigid or flexible
connections.
a)
Class 2 (Built-in cooker sub-class 2/1):
use a continuous flexible stainless steel pipe,
as per current installation standards, which
can be extended to a maximum of 2000 mm.;
the ends of the pipe must be fitted with an
ISO 228/1coupling and gasket or an ISO 7/1
threaded coupling with mechanical gasket.
b)
Class 1 (Free-standing cooker): Class
2 instructions also apply. In addition, a non-
metallic flexible pipe can be used as long as
it complies with current standards and the
following installation instructions are observed:
the pipe must be longer than 400 mm and
shorter than 1500 mm; it must not exceed 50C
in any point; it is not pulled or twisted; it cannot
be choked and the entire edges, sharp corners
or other similar hazards.
Before connecting the non-metallic flexible
pipe, the pipe holder and gasket supplied with
the cooker and/or available form the reseller
must be fitted to the pipe/gas train on the back
of the cooker.
For connection to:
• Methane gas: the pipe must have an
internal diameter of 13 mm, be fitted to
the pipe holder and then blocked with a
specific clamp as per current installation
standards;
• Liquid gas (bottle): the pipe must have
an internal diameter of 8 mm, be fitted to
the pipe holder and then blocked with a
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