Caution
France: Abide by the regulatory provisions of the Order of 23 June
1978 and the ATG C 321.4
5.3.1
Ventilation
To allow the intake of combustion air, sufficient ventilation must be
provided in the boiler room, for which the cross section and position must
satisfy the regulations in force in the country in which the boiler is installed:
Great Britain
BS 5440 Part 1 and Part 2:
For boilers with a nominal output of more than 70 kW: Upper and lower air vents com
pulsory
BS 6644 and IGEM/UP-10
If the boiler is installed in closed premises, respect the minimum
dimensions given in the diagram below. Also allow for openings to obviate
the following hazards:
Accumulation of gas
Overheating of the premises
Great Britain
Minimum cross section of openings: see BS 5440
Part 1 and Part 2, and BS 6644.
Ventilation to be provided for the boilers
5.3.2
Overall space needed for the boiler
To ensure adequate access to the appliance and facilitate maintenance,
allow sufficient space around the boiler, according to the information
provided.
Important
Keep the boiler accessible at all times.
Clearance to be provided for the boilers
Fig.21
MW-3000011-04
5 Before installation
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