23
STRATA1
3 8 & 3 8 / 4 6 C O M B I
16.0 ventilation requirements (contd)
Table 6
Compartment Installation - Room sealed flue
Natural Ventilation direct to outside air
Ventilation openings free area cm
2
High Level
Low Level
230
230
Table 7
Compartment Installation - Room Sealed Flue
Natural Ventilation from Adjacent Room
Ventilation openings free area cm
2
High Level
Low Level
460
460
Multiple Appliances Installed in the Same Room or Space
Where multiple Strata 1 boilers are installed in the same room or space then
the aggregate of the appliance inputs must be taken to determine (from the
following data) the amount of ventilation required.
Appliance Gross Heat Inputs Should be taken as:-
51.1kW
Table 8
Non Room Sealed Flue Installations
Natural Ventilation Direct to Outside Air.
Low Level (Inlet):
540cm2 plus 4.5cm
2
per kW in excess of 60kW total rated input.
High Level (Outlet):
270cm2 plus 2.25cm
2
per kW in excess of 60kW total rated input.
Table 9
Room Sealed Flue Installations
Natural Ventilation Direct to Outside Air
(Ventilation recommended for cooling purposes)
Low Level (Inlet): 4.5cm
2
per kW of total rated input.
High Level (Outlet): 4.5cm
2
per kW of total rated input.