Ariston 120P CA Notice D'installation Et D'entretien page 55

TECHNICAL INSTRUCTIONS FOR INSTALLATION
1 - STANDARDS OF REFERENCE
The installation and commissioning of the appliance must be carried out
by qualified staff in compliance with the following Standards of reference:
• L 6 D 1971 N. 1083;
AW ECEMBER
• "UNI-CIG"7129/7131;
The Standards of the Fire Department, of the local Gas Company and of
the Municipal Hygiene Office must be complied during installation.
2 - PREMISES VENTILATION
(P
RESCRIPTIONS TAKEN FROM STANDARD
The premises where the appliances of type B are installed can use direct ventilation (air inlets directly on the outside)
and indirect ventilation (air inlets on near by premises) as long as all conditions indicated below are complied with.
3 - DIRECT VENTILATION
To install the appliances of type B, the following conditions must be complied with:
• the premises must have an opening equal to 6 cm
practiced on the wall to the outside;
• the opening must be as close as possible to the height of the floor, non-blockable and protected by a grid that does
not reduce the useful air passage section.
IMPORTANT!
• Correct ventilation can also be obtained through more
openings, as long as the total of the various sections,
corresponds to the required one.
• Should it not be possible to realise the opening near the
floor, increase the section of the opening by at least 50%.
T
HE OPENING MUST NOT BE OBSTRUCTED
YES YES
1 2
1 - The grid is not obstructed because located behind the
radiator.
2 - The grid is not obstructed because protected by a diverter
3 - The grid is obstructed because without protection.
UNI7129 )
2
for every kW installed, and never below 100 cm
• In case of other elements inside the premises requiring
• The suction hood must be considered an electric fan.
• An open flue must have its own air supply, otherwise a
9
NO
3
The opening is sufficiently wide to allow a suitable ventilation for
the appliance.
IMPORTANT!
More appliances in the same
premises, for a total heat input
greater than 35 kW, constitute
thermal power station and are
subject to the dispositions of the
Fire Department circular n. 68.
air for their functioning, the section of the ventilation
opening must be suitably dimensioned (e.g. for electric
fans, see table at the side).
type B gas appliance cannot be installed in the
premises.
T
HE OPENING SECTION MUST BE OF SUITABLE SIZE
d
EN
2
, directly
10
SI
YES
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