17
4000124050-2
6 Boiler Location, Flue and Ventilation
6.1 Boiler Location
The recommended clearances are shown in
diagram 6.1.
Note:
The boiler must be mounted on a flat wall which is
sufficiently robust to take its weight when full. If in doubt, expert
advice should be obtained, in the event of the wall being found
not suitable.
The minimum acceptable spacings from the terminal to
obstructions, other terminals and ventilation openings are
shown in
diagram 6.2.
For Ireland the minimum distances for
the flue terminal positionning must be those detailed in I.S.813
"Domestic Gas Installations".
The boiler must be installed so that the terminal is exposed to
the external air.
6.2 Terminal guard, see diagram 6.3.
A terminal guard is required if persons could come into contact
with the terminal or the terminal could be subject to damage.
If a terminal guard is required, it must be positioned to provide
a minimum of 50mm clearance from any part of the terminal
and to be central over the terminal.
A suitable terminal guard type K3 can be supplied by:
Tower flue components Ltd.
Morley road
Tonbridge
Kent
TN9 1RA
6.3 Flue options
There are various flue systems to choose from as follows:
Horizontal telescopic top flue pack.
Horizontal top flue pack.
Vertical flue pack.
Twin flue pack.
Extensions, 90° and 45° bends.
For detailed information refer to flue options guide. This is
available from your nearest stockist.
6.4 Cupboard or compartment ventilation
The boiler can be fitted in a cupboard or compartment without
the need for permanent ventilation.
Diagram 6.2
MINIMUM SITING DIMENSIONS FOR THE
POSITIONING OF FLUE TERMINALS
MM
HORIZONTAL FLUES
A
DIRECTLY BELOW, ABOVE OR
HORIZONTALLY TO AN OPENING, AIR BRICK,
OPENING WINDOWS, AIR VENT, OR ANY
OTHER VENTILATION OPENING
300
B
BELOW GUTTER, DRAIN/SOIL PIPE
75
C
BELOW EAVES
200
D
BELOW A BALCONY OR CAR PORT
200
E
FROM VERTICAL DRAIN PIPES AND
SOIL PIPES
150
F
FROM INTERNAL/EXTERNAL CORNERS
OR TO A BOUNDARY ALONGSIDE THE
TERMINAL
300
G
ABOVE ADJACENT GROUND OR
BALCONY LEVEL
300
H
FROM SURFACE OR A BOUNDARY
FACING THE TERMINAL
600
I
FACING TERMINALS
1200
J
FROM OPENING (DOOR/WINDOW)
IN CAR PORT INTO DWELLING
1200
K
VERTICAL FROM A TERMINAL
1500
L
HORIZONTALLY FROM A TERMINAL
300
VERTICAL FLUES
M
FROM ADJACENT WALL TO FLUE
300
N
FROM ANOTHER TERMINAL
600
P
FROM ADJACENT OPENING WINDOW
1000
Q
ABOVE ROOF LEVEL
300
11508
Diagram 6.3
*
Note:
It is permissible to
install the boiler with smaller
clearances than those quoted
PROVIDING that consideration
is given for Servicing/Repairs.
Diagram 6.1
11652
20mm
*
5mm
20mm
*
5mm
300mm
600mm
*
450mm
25mm
above
elbow
