Lamborghini Caloreclima LAMBY-IN 20 MCS W TOP Manual Para La Instalación Y El Mantenimiento página 64

FUMES EVACUATION/AIR INTAKE
Concentric flue pipe, from the terrace (C32)
1
2 Fan-forced draught (B22), from a flue pipe
3 Double pipe from separate flues (C42)
4 Concentric, connected to concentric flues (C42)
5 Fan-forced draught (B22), from the roof
For positioning and for distances of draught terminals from windows, doors, etc. see regulations in force.
64