9
221763A
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
Diagram 3.1
FROM
OUTSIDE
COMPARTMENT AIR VENT TABLE
COMPARTMENT
VENTILATION
REQUIREMENTS
136cm
2
21in
2
136cm
2
21in
2
VENTILATION
FROM ROOM
OR SPACE
272cm
2
42in
2
272cm
2
42in
2
HIGH LEVEL
LOW LEVEL
VENT AREA
VENT AREA
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/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 the Compartment Air Vent Table.
Both the high level and the low level air vents must communicate
with the same room, or must both be on the same wall to outside
air.
4 Installation
Before fixing the boiler make sure that the location selected is
in accordance with the requirements of Section 1.8 “Boiler
Location”.
4.1 Unpacking
Remove the packaging and then the boiler from its pallet by
removing the screws.
The boiler casing panels are packed separately within the main
carton. They are designed to enable gas and water connections
to be made before fitting the casing.
The casing brackets, distributor tube and loose items, in a
plastic bag, are packed in the corner fitment.
4.2 Casing Brackets
Fit the two upper and two front casing brackets as shown in
diagram 4.1 using eight of the No.8 screws.
Push the captive nuts, supplied loose, on to the casing brackets
as shown in diagram 4.1.
4.3 Planning Water Connections - Gravity
Domestic and Pumped Heating.
It is important that all connections are made as illustrated in
diagram 4.2.
Heating flow, either one of the two upper front connections may
be used.
Domestic gravity flow, any one of the three remaining upper
connections may be used.
Heating return, the water distributor tube MUST be fitted into
either one of the front lower connections on all installations, see
diagram 4.3. The distributor tube is packed in the top fitment.
POSITION
MINIMUM
SPACING
