Technical data
21
STRATA1
16.0 ventilation requirements
single appliances
Table 1 Room Installation - Non
Room Sealed Flue.
Natural Ventilation Direct to Outside Air
Boiler Model Ventilation Openings Free Area cm
2
Strata 1/45 180 For position see BS 5440: Part 2: 2000
Strata 1/60 250 For position see BS 5440: Part 2: 2000
Strata 1/75 319 High Level 637 Low Level
Table 2 Room Installation - Non
Room Sealed Flue
Natural Ventilation From Adjacent Room
Boiler Model Ventilation Openings Free Area cm
2
Strata 1/45 180cm
2
with adjacent room equally
ventilated direct to outside air.
Strata 1/60 250cm
2
with adjacent room equally
ventilated direct to outside air.
Strata 1/75 Ventilation from adjacent room not permitted - See Table 1 above.
Table 3 Room Installation - Room Sealed Flue.
There are no specific requirements for a room to be ventilated where
the appliance is room sealed. However, consideration should be given
to providing ventilation for general cooling, (BS6644 specifies room
temperature limits).
Table 4 Compartment Installation - Non room sealed flue
Natural Ventilation Direct to outside air
Boiler Model Ventilation Openings Free Area cm
2
High Level Low Level
Strata 1/45 215 430
Strata 1/60 285 570
Strata 1/75 319 637
Table 5 Compartment Installation - Non room sealed flue
Natural Ventilation from Adjacent room
Boiler Model Ventilation Openings Free Area cm
2
High Level Low Level
Strata 1/45 430 860
with adjacent room ventilated at
180cm
2
direct to outside air.
Strata 1/60 570 1140
With adjacent room ventilated at
250cm
2
direct to outside air.
Strata 1/75 Ventilation from adjacent room not permitted - See Table 1 above.
The room or space in which the Strata 1 boiler is installed may require to be ventilated in accordance
with BS5440: Part 2: 2000 or BS 6644: 1991 as appropriate to the boiler input.
The following tables must be read to ascertain the amount of ventilation required.










