69
GB
Installation
For all the information and any further clarification, please refer to the UNI 10683: 2012.
Boiler room
Make sure that the room has requirements and characteristics comply with the standards in force.
Also make sure that the floor of the room is suitable to support the weight of the boiler.
E ‘must also drain into the room at least as much air as is required for a normal combustion: you have to practice then,
in the walls of the room, the openings with a free section of at least 6 cm
2
per 1 kW (859.64 kcal / h ).
The minimum section of the opening must not be lower than 100 cm
2
.
The section can be calculated using the following relationship:
S = K * Q ≥ 100 cm
2
, where “S” is expressed in cm
2
, “Q” in kW, the “K” = 6 cm
2
/ kW
These openings must be protected by grates, metal mesh or other suitable protection provided does not reduce the
minimum section, and positioned so as to avoid them being obstructed.
The air flow can also be obtained from a room adjacent to the installation provided that the flow can occur freely
through permanent openings communicating with the non-reclosable outer. The air flow must be smooth and clean air,
unpolluted, and not taken from outlets that may be contaminated (example: garage)
The adjacent with respect to the installation should not be placed in depression respect to the external environment by
means of reverse draft caused by the presence in this space of another used appliance or intake device.
Flue pipe
To mount the smoke channels is imperative to use non-flammable and suitable to withstand the combustion products
and any condensates, and comply with regulations.
- the flue must not be connected to any other fireplace, stove, boiler, or any kind of fume hood
- the flue must be properly spaced from combustible or flammable materials through air or suitable insulator
- according to UNI 10683/12, the boiler must not be in the same room as extractor fans, gas appliances and type B or
devices which the local depression
- the internal section of the chimney must be uniform, preferably circular, square or rectangular sections must have
rounded edges with a radius not less than 20 mm, the maximum ratio between the sides of 1.5; walls as smooth as
possible and without restrictions, the regular curves without discontinuities, deviations from the axis no greater than
45 °
- each device must have its own flue of section equal to or greater than the diameter of the flue gas pipe of the stove
and a height of not less than that required
- it is forbidden to make fixed or mobile apertures on the chimney to connect equipment other than that to which it is
subservient
- it is forbidden to run inside of the chimney, although oversized, other channels of supply of air and piping for utilities
- it is recommended that the chimney is equipped with a collection chamber for solid materials and any condensates
located below the mouth of the barrel, so as to be easily opened and inspected by the door airtight
- the chimney must have section and internal form equivalent to that of the flue
- the chimney must have a useful outlet section not less than twice that of the flue
- the chimney must be constructed so as to prevent the penetration in the chimney of rain, snow, and foreign bodies
in such a way that in case of winds in any direction or angle is assured the discharge of the combustion products
(windproof cowl)
- the horizontal section should be a maximum length of about 2.3 meters, and you can use a maximum of three 90 °
bends
- in all changes of direction at 90 ° of the chimney must be
possibly a tee with inspection
- all sections of the chimney should be inspected to make possible the periodic maintenance
- in the chimney it is necessary to prepare one or more measuring points in the event that you need to perform
combustion analysis. These measuring points must be sealed.
Summary of Contents for 20B
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