Part No. 5102478
19
Combustion & Ventilation Air for Balanced Flue Oil Fired Boilers
FREE AREAS OF GRILLES ARE mm
2
PER/KW OF APPLIANCE RATING (OUTPUT)
Balanced Flue
Boilers fitted with balanced flues must only fire Kerosine and will not operate satisfactorily unless the free air requirements
have been satisfied.
Consideration should be given to the texture of the wall onto which the low level flue terminal is fixed. As with all heat
emitting devices the warm air from the terminal will encourage the accumulation of dirt which will at some time require
removal with a detergent based cleaning fluid.
Clearances Required Around Balanced and Low Level Discharge Flues Fitted to Oil Fired Boilers
See Fig. 13
A Below a gutter or sanitary pipework
G From a surface facing the terminal
B Horizontal from opening, airbrick window etc.
H Vertical from terminals on the same wall
C Above ground or balcony level
I Horizontal from terminals on the same wall
D Below eaves or balcony
J Below an opening, airbrick, window etc.
E From an internal or external corner
K From vertical sanitary pipework
F From a terminal facing a terminal
Fig. 12
Pre-Installation Requirements
Extract Fans
If the room in which the appliance is located also has an
extract fan the performance of the appliance must be
unaffected when the fan is running with all doors and
windows closed.
Draught Breaks
When an appliance with a draught break is fitted in a room
add 550mm
2
/kW to the free area of the combustion air
inlet.
When an appliance with a draught break in a compartment
which is ventilated as noted above, no additional allowance
is required.
Summary of Contents for Statesman 45/50
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Page 35: ...Part No 5102478 35 Fig 25 Installation Commissioning ...
Page 45: ...Part No 5102478 45 Servicing Maintenance Fig 31 ...
Page 46: ...46 Part No 5102478 Servicing Maintenance Fig 32 ...