Ariston INTESA TP23 Manual do utilizador, instruções de instalação e manutenção - Página 14

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Installation
The Vertical flue kits maximum and minimum useable lengths
with both flat and pitched roof flashings are indicated in (Figs.
6.14 & 6.15).
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
from the total flue length, and for each 45
subtracted from the total flue length (the offset and height of 2
x 45
o
can be seen in Fig. 6.16).
Mark the position of the flue hole in the ceiling and/or roof (see
F
. 6.14 for distance from wall to the centre of the flue).
IG
Cut a 110mm 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 F
6.12) (supplied with vertical flue kit) onto the
IG
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 ter-
minal 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 must only be cut at
the male end and it must be ensured that the distance between
the inner and outer flue are kept (Fig. 6.10).
When utilising the vertical flue system, action must be taken to
ensure that the flue is supported adequately to prevent the weight
being transferred to the appliance flue connection.
When the flue passes through a ceiling or wooden floor, there
must be an air gap of 25mm between any part of the flue system
and any combustible material. The use of a ceiling plate will facil-
itate this. Also when the flue passes from one room to another a
fire stop must be fitted to prevent the passage of smoke or fire,
irrespective of the structural material through which the flue pass-
es.
Fitting the Flue (Twin Pipe)
Where it is not possible to terminate the flue within the distance
permitted for coaxial flues, the twin flue pipe can be used by fit-
ting a special adaptor to the flue connector and using the aper-
ture for the air intake located on top of the combustion chamber.
Considerations necessary for twin flue installation;
It is most important to avoid any possible condense formation
entering the appliance.
Supplied By www.heating spares.co Tel. 0161 620 6677
o
elbow 1 metre must be subtracted
o
0.5 metres must be
N
: M
L
= a+a+a +
OTE
AX
ENGTH
b+b = a+a+a+0.5+0.5
C
L
OMBINED
ENGTH NOT
4m
TO EXCEED
F
6.14
IG
14
F
6.13
IG