andrews MAXXflo EVO CWH 150/302 Installation And Maintenance Manual page 29

4.7.7 FLUE TERMINAL POSITIONS - B
Code Minimum distance (mm)
A Directly below an opening, air brick, opening window etc
B Above an opening, air brick, opening window etc
C Horizontally to an opening, air brick, opening window etc
D Below gutters, soil pipes or drainpipes
E
Below eaves
F
Below a balcony or car port roof
G Above ground, roof or balcony level
H From vertical drain or soil pipe
J
From an internal or external corner to a fl ue terminal alongside a
boundary
K From a terminal facing a terminal
L Vertically from a terminal on the same wall
M Horizontally from a terminal on the same wall
N
From a surface or a boundary line facing a terminal
P From a opening in a carport (e.g. door, windows) into the building
Q Above a pitched roof
R
From an adjacent wall (edge of terminal) or a vertical structure on
a roof
S Above a fl at roof
From any other roof fl ue terminal
* Risk assessment required
** Plume management recommended
Figures for guidance only, for full details refer to IGEM/UP/10 edition 4
Installation
TYPE (OPEN FLUE)
23
29
Terminals should be so
positioned as to avoid
products of combustion
entering openings into
buildings or other fl ues or
vents
MAXXfl o EVO 150
2500
2,170
2,170
200
200
Not recommended*
300**
150
300**
3,350
2500
2,170
3,860
Not recommended*
620
620**
6250
2,170
MAXXfl o EVO 150/302