Manual
9
221691B
Under Car Port etc.
H,I
J
D
F
K
A
A
F
G
E
A
G
G
B,C
B,C
F
F
K
K
K
C
L
L
G
G
3 Flue and Ventilation
1112
A DIRECTLY BELOW AN OPENABLE mm
WINDOW, AIR VENT, OR ANY
OTHER VENTILATION OPENING 300
B BELOW GUTTER,DRAIN/SOIL PIPE 300
C BELOW EAVES 300
D BELOW A BALCONY OR CAR PORT 600
E FROM VERTICAL DRAIN PIPES
AND SOIL PIPES 75
F FROM INTERNAL OR EXTERNAL
CORNERS 600
G ABOVE ADJACENT GROUND OR
BALCONY LEVEL 300
H FROM A SURFACE FACING
THE TERMINAL 600
I FACING TERMINALS 600
J FROM OPENING (DOOR/WINDOW)
IN CARPORT INTO DWELLING 1200
K VERTICAL FROM A TERMINAL 1500
L HORIZONTALLY FROM A TERMINAL 300
MINIMUM SITING DIMENSIONS FOR
BALANCED FLUE TERMINALS
POSITION MINIMUM
SPACING
Diagram 3.1
3.4 Terminal Guard
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
be central over the terminal.
Guards are available from:
Tower Flue Components Ltd.,
Morley Road,
Tunbridge,
Kent.
TN9 1RA
quoting reference type “F”
3.5 Wall Thickness
Check the wall thickness where the boiler is to be fitted.
Flues available are:
Standard Pack,
part No.424671,280 to 410mm (11 to 16in).
Short Pack,
part No. 424672,150 to 280mm (6 to 11in).
Extension Kit,
part No. 424680 + standard pack, 410 to 610mm (16 to 24in).
3.6 Room Ventilation
The boiler is room sealed and does not require the room or
space containing it to have permanent air vents.
3.7 Cupboard and Compartment Ventilation
Where the boiler is fitted in a cupboard or compartment, the high
and low level permanent air vents must have effective areas in
accordance with “Compartment Air Vent Table.
Both the high and low level air vents must communicate with the
same room or must both be on the same wall to outside air.
FROM
OUTSIDE
COMPARTMENT AIR VENT TABLE
COMPARTMENT
VENTILATION
REQUIREMENTS
68cm
2
11in
2
68cm
2
11in
2
VENTILATION
FROM ROOM
OR SPACE
136cm
2
22in
2
136cm
2
22in
2
HIGH LEVEL LOW LEVEL
VENT AREA VENT AREA