Vaillant ecoMAX pro 18E Instructions For Use Installation And Servicing page 16

7 Flue
TERMINAL POSITION
A 1) Directly below an opening, above an opening
or horizontal to an opening i.e. air brick,
opening window or other, etc
B Below gutters, soil pipes or drain pipes
C Below eaves
D Below balconies
E From vertical drain pipes and soil pipes
F From internal or external corners
G Above ground, roof or balcony
H From a surface facing a terminal
I From a terminal facing a terminal
K Vertically from a terminal on the same wall
L Horizontally from a terminal on the same wall 300
M Distance from adjacent wall for vertical Flue
16
A
G
F
J
E
1) In addition, the terminal should not be nearer
mm
than 150mm to an opening in the building fabric
formed for the purpose of accommodating a built-in
element such as a window.
2) Dimension B,C and D; These clearances may
300
be reduced to 25 mm without affecting the
75 2)
performance of the boiler. In order to ensure that
the condensate plume does not affect adjacent
200 2)
surfaces the terminal should be extended as shown
200 2)
in Fig 7.4.
3) Dimension F; This clearance may be reduced
25
to 25 mm without affecting the performance of
300 3)
the boiler. However, in order to ensure that the
condensate plume does not affect adjacent surfaces
300
a clearance of 300 mm is preferred.
600 4)
4) BS 5440-1 It is recommended that a fanned flue
terminal should be positioned as follows:
1200
a) at least 2m from an opening in a building directly
opposite, and
1500
b) so that the products of combustion are not
directly directed to discharge across a boundary.
For IE, recommendations are given in the current
500
edition of IS 813.
BCD
A
F
A
A
G
Instructions for Use, Installation and Servicing ecoMAX pro
B
F
M
G
L
K
F
K
L
Fig 7.1
Fig 7.2