5
221132B
3 F l u e a n d V e n t i l a t i o n
Diagram 3.1
Diagram 3.2
DISTANCE 'Y': 80 TO 523mm
2309
WALL THICKNESS 'X': 75 TO 580mm
Diagram 3.4
SIDE FLUE - STANDARD
Left or Right
SIDE FLUE - LONG
Left or Right
REAR FLUE - STANDARD
'X'
'Y'
'Y'
2311
2308
3.1 Flue
The flue must be installed in accordance with the rules in
force in the countries of destination.
3.2 Flue Position and Length
The air and flue ducting connect to the top of the boiler
using the elbow which can be positioned in one of three
possible directions:
Rearward, left or right.
The standard flue is able to provide the duct length range
shown in diagram 3.1 for a rear flue or diagram 3.2 for a
side flue.
If a longer flue duct is required, do not extend
the ductings.
A 1, 2 or 3metre flue system and terminal must be used
and can be supplied. This is able to provide the duct
length range shown in diagram 3.3 for rear flue or
diagram 3.4 for a side flue.
A Flue Bend Kit, see diagram 3.5 or Vertical Flue Kit
can be supplied, with instructions.
Diagram 3.3
2310
REAR FLUE - LONG
'X'
1m DISTANCE 'X': 75 TO 898mm
2m DISTANCE 'X': 75 TO 1898mm
3m DISTANCE 'X': 75 TO 2890mm
1m DISTANCE 'Y': 80 TO 833mm
2m DISTANCE 'Y': 80 TO 1833mm
3m DISTANCE 'Y': 80 TO 2833mm
3.3 Terminal Position
The minimum acceptable siting dimensions for the
terminal from obstructions, other terminals and
ventilation openings are shown in diagram 3.6.
The terminal must be exposed to the external air, the
position allowing free passage of air across it at
all times.
Car port or similar extensions of a roof only, or roof and
one wall, require special consideration with respect to
any openings, doors, vents or windows under the roof.
Care is required to protect the roof if made of plastic
sheeting. If the car port comprises of a roof and two or
more walls seek advice from the local gas undertaking
before installing the boiler.
If the terminal is fitted within 600mm below plastic
guttering, an aluminium shield 1500mm long should be
fitted immediately beneath the guttering or eaves. If the
terminal is fitted within 450mm below painted eaves or a
painted gutter, an aluminium shield 750mm long should
be fitted immediately beneath the guttering or eaves.
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