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FITTING THE HORIZONTAL FLUE KIT
Carefully measure the distance from the centre of
the appliance flue outlet to the edge of the finished
outside wall (dimension X).
dimension X to give you Dimension Y (see fig 9A).
Measure dimension Y from the terminal end of the
concentric flue pipe and cut off the excess ensuring
any burrs are removed. Pass the concentric flue
pipe through the previously drilled hole. Fit the flue
bend to the boiler flue outlet and insert the concentric
flue pipe into the flue bend ensuring the correct
seal is made.
Using the clamp, gasket, and screws supplied,
secure the flue bend to the appliance flue spigot.
NOTE
Fit the internal (white) trim to the flue assembly
prior to connecting the flue pipe to the bend.
You must ensure that the entire flue system is
properly supported and connected.
Seal the flue assembly to the wall using cement or
a suitable alternative that will provide satisfactory
weatherproofing. The exterior trim can now be
fitted.
30mm
"X" + 65mm = "Y"
Fig. 9A
4.5.1.1 EXTENDING THE FLUE
Connect the bend – supplied with the terminal kit
– to the top of the boiler using clamp (supplied)
see fig. 9. The additional bends & extensions
have push-fit connections, care should be taken
to ensure that the correct seal is made when
assembling the flue system. Connect the required
number of flue extensions or bends (up to the
maximum equivalent flue length) to the flue
terminal (see fig. 9 & 10).
The flue system should have a minimum of 1º;
maximum of 3º rise from the boiler to outside, to
ensure any condense fluid that forms, is allowed
to drain back to the appliance.
NOTE
When cutting an extension to the required length,
you must ensure that the excess is cut from the
plain end of the extension (see fig. 9 & 10).
Remove any burrs, and check that all seals are
located properly.
You must ensure that the entire flue system is
properly supported and connected.
Seal the flue assembly to the wall using cement
or a suitable alternative that will provide
satisfactory weatherproofing. The interior and
exterior trim can now be fitted.
Add 65mm to
"X"
"Y"
1-3 degree
Fig. 10
4.5.2
CONCENTRIC VERTICAL FLUE
The appliance can be used with either the Vokera
condensing 60/100mm concentric flue system or
the optional 80/125mm concentric flue system.
NOTE
These instructions relate only to the Vokera
condensing 60/100mm concentric flue system.
For specific details on the installation of the 80/
125mm concentric flue system please refer to the
instructions supplied.
The vertical flue terminal can be connected directly
to the appliance flue outlet.
extension or bend can be connected to the
appliance flue outlet if desired (see 4.4.2), however
if additional bends are fitted, a reduction must be
made to the maximum flue length (see table
below).
Reduction for bends
Bend
Reduction in maximum flue length for each
bend
45º bend
90º bend
Vertical flue terminal and accessories
Part No. Description
530
Vertical flue terminal
531
Pitched roof flashing plate N/A
532
Flat roof flashing plate
523
90-degree bend
524
45-degree bends (pair)
525
500mm extension
526
1000mm extension
527
2000mm extension
528
Telescopic extension
529
Wall bracket pack (5)
Using the dimensions given in fig. 9 as a reference, mark
and cut a 115mm hole in the ceiling and/or roof.
Alternatively, an
0.5 metre
1.0 metre
Length
1000mm
N/A
N/A
N/A
500mm
1000mm
2000mm
350/730mm
208mm
11
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