15
12
Connecting the Flue (continued)
CONTENTS:
1X SILICONE O-RING (60mm)
1X CONICAL ADAPTOR (60/100mm)
1X VERTICAL FLUE KIT (80/125mm)
3
X SCREWS
The vertical flue kit is supplied with a specially designed weather proof terminal fitted, it can be used either with a flat roof or a
pitched roof. (see Figs. 17 and 18).
The Vertical flue kits maximum and minimum useable lengths with both flat and pitched roof flashings are indicated in Figs. 17
and 18 also).
12.3 Fitting the coaxial flue (Ø 60/100 Vertical)
Before proceeding to fit the flue, ensure that the maximum flue length has not been exceeded and that all elbows and bends
have been taken into consideration, the maximum flue length is 4 metres, for each additional 90
o
elbow 1 metre must be
subtracted from the total flue length, and for each 45
o
0.5 metres must be subtracted from the total flue length (the offset and
height of 2 x 45
o
bends can be seen in Fig. 19).
Mark the position of the flue hole in the ceiling and/or roof (see Fig. 17 for distance from wall to the centre of the flue).
Cut a 120mm diameter hole through the ceiling and/or roof and fit the flashing plate to the roof.
Should it be necessary to cut the flue
DO NOT cut the outer white ar inlet tube, cut the aluminium exhaust flue 6mm longer
than the outer white air tube when used at minimum length. DO NOT cut more that 250mm from the inner aluminium exhaust
flue.
To connect the vertical flue kit directly to the boiler, place the adaptor (see Fig. 15) (supplied with vertical flue kit) onto the
exhaust manifold and secure with the clamp, the vertical flue kit must then be inserted through the roof flashing, this will
ensure that the correct clearance above the roof is provided as the terminal is a fixed height.
Should extensions be required, they are available in 1 metre
(Part No. 705786), 500mm (Part No. 705790) and 160mm
lengths
(Part No. 705812), they must be connected directly to the boiler and secured with the clamp supplied before
connecting the adaptor to allow the vertical flue kit to be fitted. In the event that extension pieces need to be shortened, they
NOTE:MAX LENGTH = a+a+a +
b+b = a+a+a+0.5+0.5
COMBINED LENGTH NOT
TO EXCEED 3m
Fig 15
Fig 16
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