Grant EUROFLAME 50/90 - Page 16

16
Euroflame Oil Boilers
Fig. 8 - Combustion and ventilation air supply for conventional flue boilers
3 - GENERAL BOILER INFORMATION
Fig. 7 - Air supply for room sealed balanced flue boilers
Note: If the boiler is in a compartment, this must be added to the areas required for ventilation.
Minimum size of air vents required - see Figs. 7 and 8
Vent A
Vent B
Vent C
Vent D
Vent E
50/70
113 cm² (18 in²)
226 cm² (36 in²)
85 cm² (13 in²)
226 cm² (36 in²)
338 cm² (52 in²)
50/90, 70/90
145 cm² (23 in²)
290 cm² (46 in²)
118 cm² (18 in²)
290 cm² (46 in²)
436 cm² (68 in²)
90/120
194 cm² (30 in²)
388 cm² (60 in²)
166 cm² (26 in²)
388 cm² (60 in²)
580 cm² (90 in²)