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AFC 18 - AFC 24 - AFC 30
Markers Description
Heating flow direct circuit
A
Heating return direct circuit
Z
Primary flow independent DHW tank (Option)
E
Primary return independent DHW tank (Option)
R
Heating flow circuit with mixing valve (Option)
T
Heating return circuit with mixing valve (Option)
Y
Domestic cold water inlet
P
Domestic hot water outlet
a
DHW circulation loop return (Option)
z
09/07/2015 - 300026439-07
The minimum cross-sections and the positions of the fresh air inlet
and the air outlet must comply with prevailing regulations.
n Generator installed in a building for collective use
(installations less than 70 kW)
4 The fresh air inlet must:
- Come out in the lower section of the premises,
- Have a free minimum cross section calculated on the basis of
0.03 dm² per kilowatt installed output and at least equal to 2.5
dm².
4 The air discharge must:
- Be located in the upper section of the premises,
- Rise above the roof (unless using an equivalent system which
does not cause a nuisance to neighbours),
- Have a free cross section (corresponding to 2/3 of that of the
air inlet and at least equal to 2.5 dm²).
n Generator installed in a builing for individual use
4 An adequate supply of fresh air must be provided as close as
possible to the appliances. Its cross section must be at least 0.5
dm².
4 In the upper section of the premises, an air outlet must ensure
effective ventilation.
n Establishments open to the public
4 New establishment: Refer to the order of 25/06/1980 (installations
of more than 20 kW and less than or equal to 70 kW).
4 Existing establishment: Refer to the order of 25/06/1980
(installations less than 70 kW).
5.2.4.
Main dimensions
n Legend
Size
G 1
G 1
G 3/4
G 3/4
G 1
G 1
G 3/4
G 3/4
G 3/4
5. Installation
33
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