Instructions for the installer
75
11.3 Extraction of the combustion products
The combustion products may be extracted by means of hoods connected to a
natural draught chimney whose efficiency is certain or via forced extraction. An
efficient extraction system requires precision planning by a specialist qualified in
this area and must comply with the positions and distances indicated by the
regulations. When the job is complete, the installer must issue a certificate of
conformity.
11.4 Connection to gas
Connection with a rigid copper hose:
The connection to the gas supply network must
be made in such a way that it does not cause
stresses of any type on the appliance.
The connection can be made using the adapter
unit
D
with double cone, always inserting
gasket
C
(provided) in between.
Connection with a flexible steel hose:
Use only continuous wall stainless steel hoses
that comply with the applicable standards, making
sure to always insert gasket
C
(provided)
between connector
A
and flexible hose
B
.
Installation with the flexible hose must be carried out so that the length of the piping
does not exceed 2 metres when fully extended; make sure that the hoses do not
come into contact with moving parts and that they are not crushed in any way.
