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with the standards in force. The room where the
appliance is installed must have enough air flow
for the regular combustion of gas and the
necessary air change in the room itself. The air
vents, protected by grilles, must be the right size
to comply with current regulations and
positioned so that no part of them is obstructed,
not even partially.
The room must be kept adequately ventilated in
order to eliminate the heat and humidity
produced by cooking: In particular, after
prolonged use, you are recommended to open
a window or to increase the speed of any fans.
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
clearances indicated by the applicable
standards.
When the job is complete, the installer must
issue a certificate of conformity.
1A
1A
2C
2C
1
Extraction using a hood
2
Extraction without a hood
A
Extraction with a single natural draught
chimney
B
Extraction with a single chimney with
extractor fan
C
Extraction directly outdoors with wall- or
window-mounted extractor fan
D
Extraction directly outdoors through wall
32 - INSTALLATION
1B
1B
2D
2D
Air
Combustion products
Extractor fan
Adaptation to different types of gas
In case of operation with other types of gas, the
burner nozzles must be changed and the
minimum flame adjusted on the gas cocks.
Replacing nozzles
1. Remove the grids from the hob top.
2. Remove the flame-spreader crowns and
relative burner caps.
3. Replace the burner nozzles using a 7-mm
socket wrench according to the gas to be
used (see "Nozzle and burner specification
tables").
91477A898/A
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