Baxi Main Combi Eco Installation & Service Instructions Manual page 18

Terminal Position with Minimum Distance (Fig. 18)
1
A Directly below an opening, air brick, opening
windows, etc.
1
B Above an opening, air brick, opening window etc.
1
C Horizontally to an opening, air brick, opening window etc.
2
D Below gutters, soil pipes or drain pipes.
2
E Below eaves.
2
F Below balconies or car port roof.
2
G From a vertical drain pipe or soil pipe.
2
H From an internal or external corner.
I Above ground, roof or balcony level.
J From a surface or boundary line facing a terminal.
K From a terminal facing a terminal (Horizontal flue).
From a terminal facing a terminal (Vertical flue).
L From an opening in carport (e.g. door, window)
into the dwelling.
M Vertically from a terminal on the same wall.
N Horizontally from a terminal on the same wall.
R From adjacent wall to flue (vertical only).
S From an adjacent opening window (vertical only).
T Adjacent to windows or openings on pitched and flat roofs
U Below windows or openings on pitched roofs
1 In addition, the terminal should be no nearer than 150 mm 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 dimensions
D, E, F, G or H is 25mm then the remainder MUST be as B.S.5440-1.
NOTE: The distance from a fanned draught appliance terminal
installed parallel to a boundary may not be less than 300mm in
accordance with the diagram below
300 min
Terminal
Assembly
Top View Rear Flue
Fig. 17
R
M
I
I
F
L
Likely flue positions requiring
a flue terminal guard
18
© Baxi Heating UK Ltd 2011
*
Property Boundary Line
T
J,K
U
N
B
A
G
I
(mm)
7.0 Site Requirements
300
300
300
7.8
25
25
NOTE: Due to the nature of the boiler a plume of water
25
vapour will be discharged from the flue. This should be
25
taken into account when siting the flue terminal.
25
300
600
1. The following guidelines indicate the general requirements
1200
for siting balanced flue terminals. For GB recommendations
600
are given in BS 5440 Pt 1. For IE recommendations are given
in the current edition of I.S. 813 "Domestic Gas
1200
Installations".
1500
300
2. If the terminal discharges onto a pathway or passageway,
300
1000
check that combustion products will not cause a nuisance
600
and that the terminal will not obstruct the passageway.
2000
3. 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.
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.
*4. Reduction to the boundary is possible down to 25mm
but flue deflector part no. 5111068 must be used.
Plume
Displacement Kit
Air Inlet
150mm
MIN.
D
A
C
E
I
I
S
J,K
F
A
H
H
Fig. 18
Flue
(Figs. 17 & 18)
IMPORTANT: If fitting a Plume
Displacement Flue Kit, the air inlet
must be a minimum of 150mm from
any opening windows or doors (see
Section 9.0).
Opening Window
or Door
Fig. 18a