Air Vent - Riello Condexa PRO Series Installation, Technical And Maintenance Manual

1.5

Air vent

The rooms must be equipped with one or more permanent air vents positioned on external walls, ensuring that the all regulations
established in the country of installation are complied with.
For Italy:
The air vents must not have a surface area less than the minimum value indicated in the table (expressed in cm
Rooms above the ground
Model
35 P
No. of
Boilers
2 3000*
3 3000*
4 3000*
5 3000*
6 3420*
7 3990*
8 4560*
9 5130
10 5700
(*) 5000 cm in the case of G30-G31
2
Rooms below ground, down to a distance of - 5 m from the reference floor level:
Model
35 P
No. of
Boilers
2 3000
3 3000
4 3420
5 4275
6 5130
7 5985
8 6840
9 7695
10 8550
Rooms below ground, at a distance of between - 5 m and - 10 m below the reference floor level (with a minimum of 5000 cm
Model
35 P
No. of
Boilers
2 5000
3 5000
4 5000
5 5700
6 6840
7 7980
8 9120
9 10260
10 11400
0
It is not permitted to install systems for relative gas density greater than 0.8 (G30-G31) in rooms with flooring below the natural
ground level.
9
The aeration surface area must not in any case be less than 3000 cm
(G30-G31).
9
The air vents in rooms with appliances supplied with gas must meet all fire prevention requirements, in particular Ministerial
Decree of 12th April 2011 and subsequent updates.
50 P 57 P
MINIMUM DIMENSION OF AIR VENT (cm
3000* 3000*
3000* 3000*
3000* 3000*
3000* 3000*
3420* 3420*
3990* 3990*
4560* 4560*
5130 5130
5700 5700
50 P 57 P
MINIMUM DIMENSION OF AIR VENT (cm
3000 3000
3000 3000
3420 3420
4275 4275
5130 5130
5985 5985
6840 6840
7695 7695
8550 8550
50 P 57 P
MINIMUM DIMENSION OF AIR VENT (cm
5000 5000
5000 5000
5000 5000
5700 5700
6840 6840
7980 7980
9120 9120
10260 10260
11400 11400
Condexa PRO
70 P 90
3000* 3000*
3000* 3000*
3000* 3600*
3400* 4500*
4080* 5400
4760* 6300
5440 7200
6120 8100
6800 9000
Condexa PRO
70 P 90
3000 3000
3060 4050
4080 5400
5100 6750
6120 8100
7140 9450
8160 10800
9180 12150
10200 13500
Condexa PRO
70 P 90
5000 5000
5000 5400
5440 7200
6800 9000
8160 10800
9520 12600
10880 14400
12240 16200
13600 18000
or 5000 cm if using gas with a density exceeding 0.8
2 2
19
GENERAL INFORMATION
2 ):
100 115
2 )
3000* 3000*
3000* 3360*
3880* 4480*
4850* 5600
5820 6720
6790 7840
7760 8960
8730 10080
9700 11200
100 115
)
2
3000 3360
4365 5040
5820 6720
7275 8400
8730 10080
10185 11760
11640 13440
13095 15120
14550 16800
100 115
)
2
5000 5000
5820 6720
7760 8960
9700 11200
11640 13440
13580 15680
15520 17920
17460 20160
19400 22400
135
3000*
3930*
5240
6550
7860
9170
10480
ND
ND
135
3930
5895
7860
9825
11790
13755
15720
ND
ND
):
2
135
5240
7860
10480
13100
15720
18340
20960
ND
ND