Baxi 424 Combi 2 Installation And Service Manual page 30

5 Before installation
Key Description
C (1)
Horizontally to an opening, air brick,
opening window etc.
D (2)
Below gutters, soil pipes or drain pipes
E (2)
Below eaves
F (2)
Below balconies or car port roof
G (2)
From a vertical drain pipe or soil pipe
H (2)
From an internal or external corner
I Above ground, roof, or balcony level
(1) In addition, the terminal should be no nearer than 150mm to an opening in the building fabric formed for the purpose of accommodating
a built-in element such as a window frame.
(2) Only ONE 25mm clearance is allowed per installation. If one of the dimension D,E,F,G or H is 25mm then the remainder MUST be as
shown in brackets, in accordance with BS 5440–1.
Fig.17 Property boundary
A*
2
3
Combi 2
30
If the terminal discharges onto a pathway or passageway, check that
combustion products will not cause a nuisance and that the terminal will
not obstruct the passageway.
If a terminal is less than 2 metres above a balcony, above ground or above
a flat roof to which people have access, then a suitable terminal guard
must be provided.
1
2
3
A
*Reduction to the boundary is possible down to 25mm but the flue
deflector must be used.
PN-0000457
1
mm Key Description
From an opening in carport (e.g. door,
300 L
window) into the dwelling
Vertically from a terminal on the same
25 (75) M
wall
Horizontally from a terminal on the
25 (200) N
same wall
From adjacent wall to flue (vertical on-
25 (200) R
ly)
From an adjacent opening window
25 (150) S
(vertical only)
Adjacent to windows or openings on
25 (300) T
pitched and flat roofs
Below windows or openings on pitch-
300 U
ed roofs
Important
Under car ports we recommend the use of the plume
displacement kit. The terminal position must ensure the safe and
nuisance free dispersal of combustion products.
Property boundary line
Terminal assembly
Top view rear flue
300mm minimum*
Important
The distance from a fanned draught appliance terminal installed
parallel to a boundary may not be less than 300mm in accordance
with the diagram opposite.
mm
1200
1500
300
300
1000
600
2000