Potterton Promax HE Store 90 Litres Installation & Servicing Instructions Manual page 14

IMPORTANT: If fitting a Plume
Displacement Flue Kit, the air inlet
must be a minimum of 100mm
from any opening windows or
doors
Concentric
Terminal
300 min.
Assembly
Top View
Rear
Concentric
Flue
IMPORTANT:
• Only ONE 25mm* clearance is allowed per installation.
• 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.
Fig. 6
14
J,K
N
R
M
I
I
F
L
Likely flue positions requiring a flue terminal guard
300 min.
Top
View
Side Concentric
Flue
Property
Boundary Line
Plume
Displacement Kit
Air Inlet
D
T
C
E
A
I
I
S
B
J,K
F
A
A
G
H
H
I
Terminal Position with Minimum Distance (mm)
For IE, refer to I.S. 813 "Domestic Gas Installation".
Fanned Draught Balanced Flue
a
A Directly below an opening, air brick,
opening windows, etc.
a
B Above an opening, air brick, opening window, etc.
a
C Horizontally to an opening, air brick,
opening window, etc.
D Below gutters, soil pipes or drain pipes.
E Below eaves.
F Below balconies or car port roof.
G From a vertical drain pipe or soil pipe.
H From an internal or external corner.
I Above ground, roof or balcony level.
J From a surface facing a terminal.
K From a terminal facing the terminal.
L From an opening in a 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 Below eaves or balcony (vertical only).
a
In addition, the terminal should not be 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. See BS 5440 Pt. 1.
Note: The distance from a fanned draught appliance terminal installed
parallel to a boundary may not be less than 300 mm in accordance with
the diagram on the left.
Opening
Window or Door
100mm
MIN.
© Baxi Heating UK Ltd 2006
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