Technical data

16
4000123924-2
20mm
*
5mm
20mm
*
5m
m
300mm
600mm
*
450mm
25mm
above
elbow
300mm
*
50mm
above boiler
(
rear flue only)
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.
The minimum acceptable spacings from the terminal to
obstructions 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 rear flue pack.
Horizontal telescopic top flue pack.
Horizontal top flue pack.
Horizontal extended 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 6.1
11651
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.