12
Linea
IMPORTANT
The vertical flue terminal is 1.0 metre in length
and cannot be cut; therefore it may be necessary
to adjust the height of the appliance to suit or use
a suitable extension.
Connect the vertical flue assembly to the boiler
flue spigot using the 60mm & 100mm clips, gas-
kets, & screws (supplied), ensuring the correct
seal is made. The flue support bracket (supplied
with the vertical flue kit) can now be fitted.
If the vertical flue requires extension/s or addi-
tional bend/s, connect the required number of flue
extensions or bends (up to the maximum equiva-
lent flue length) between the boiler and vertical
flue assembly (see fig. 8).
NOTE
When cutting an extension to the required length,
you must ensure that the excess is cut from the
plain end of the extension and that the inner
(60mm) pipe is 7.5mm longer than outer (100mm)
pipe (see fig. 8). Remove any burrs, and check
that any seals are located properly.
You must ensure that the entire flue system is
properly supported and connected.
4.5.3 TWIN FLUE SYSTEM
The Vokera twin flue system enables greater flue
distances to be achieved (see 4.4.2) than that of
a concentric flue system. It can be used for hori-
zontal or vertical applications, however the twin
flue system must be converted to the dedicated
concentric flue kit for termination. It is essential
that the installation of the twin flue system be
carried out in strict accordance with these instruc-
tions.
GUIDANCE NOTES ON TWIN FLUE INSTAL-
LATION
●●
●●
● The flue must have a fall back of 1° back to the
appliance to allow any condensate that may
form in the flue system to drain via the conden-
sate drain. Consideration must also be given
to the fact that there is the possibility of a small
amount of condensate dripping from the termi-
nal.
Bend Reduction in maximum flue length for each bend
45° bend 1.0 metre
90° bend 1.0 metre
Reduction for bends
Part No. Description Length
0225805 Horizontal flue terminal 1.0 metre
0225810 Vertical flue terminal 1.0 metre
362 Twin adapter kit N/A
0225770 Pitched roof flashing plate N/A
0225765 Flat roof flashing plate N/A
0225815 Condensate drain kit N/A
0225820 0.25m extension (pair) 250mm
0225825 0.5m extension (pair) 500mm
0225830 1.0m extension (pair) 1000mm
0225835 2.0m extension (pair) 2000mm
0225840 45° bend (pair) N/A
0225845 90° bend (pair) N/A
0225850 Twin bracket (5) N/A
0225855 Single bracket (5) N/A
Twin flue accessories
MOUNTING THE BOILER
The fixing holes for the wall-mounting bracket should now
be drilled and plugged, an appropriate type and quantity
of fixing should be used to ensure that the bracket is
mounted securely. Once the bracket has been secured
to the wall, mount the appliance onto the bracket.
Fig. 10
●●
●●
●
Ensure that the entire flue system is adequately
supported, use at least one bracket for each
extension.
●●
●●
● The entire flue system must be adequately in-
sulated to maintain heat within the flue system
thereby reducing the possibility of condensate
production.
●●
●●
● As the exhaust outlet pipe can reach very high
temperatures it must be protected to prevent
persons touching the hot surface.
●●
●●
●
The condensate drain pipe must be connected
in accordance with building regulations
Fig. 9
(40 pages)
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