Ariston 47-116-33 Manual do utilizador, instruções de instalação e manutenção - Página 15

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Installation
According to Table 6.1 (Page 18) decide if condensation will form
within the flue. If yes, there are two options;
1) Where condense will form but can be negated with insulated
flue, install the insulated flue with a fall of 5mm in every metre
away from the boiler.
2) The exhaust flue will have a fall of 3
and a suitable trap will be fitted on the exhaust as close to the
boiler as possible, condense will then be suitably disposed of.
Where the flue runs through cold spots, i.e. loft areas, condense
is likely to be formed, therefore a fall back to the boiler and a trap
is required.
Always ensure that the flue is adequately supported, avoiding low
points. (MTS supply suitable clamps as Part No. 705778).
To utilise the air intake it is necessary to:
Remove the 'knockout' of the air intake by cutting it with a suitable
knife (F
. 6.16).
IG
Insert the elbow/flue pipe into the air intake until it stops.
The twin flue pipes can be fitted with or without additional elbows
and need no clamps, simply ensure that the red o-ring is insert-
ed in the female end of the flue pipe and push the extension piece
fully into the previous section of flue pipe or elbow, check that the
o-ring is not dislodged when assembling the flue.
Twin pipe can also be converted back to Coaxial flue to enable
vertical termination with a coaxial kit by using the pipe bridge
(Twin - Coaxial Adaptor - Part No. 705767). When running the
twin flue pipe vertically, a condense trap must always be used on
the exhaust pipe.
It is not recommended that the pipe bridge be used for horizontal
termination, however in the unlikely event that this proves to be a
necessity it is extremely important that the entire flue has a fall of
3
o
back to the boiler, is suitably trapped and where the 60mm
inner flue of the concentric terminal connects to the pipe bridge,
this point must be adequately sealed with silicone sealant to
avoid condense leakage at this point.
Note: Vertical twin flue installations must have a trap on the
exhaust. MTS supply a suitable condense trap with float
Part No. 705774 and recommend that this be used in the
event that the flue may not form condense.
When siting the twin flue pipe horizontally, the air intake and
exhaust terminals must terminate on the same wall, the centres
of the terminals must be a minimum of 280 mm apart and a max-
imum of 500mm, the air intake must not be sited above the
exhaust terminal (refer to F
IG
run horizontally, however, the terminal and the final 1 metre of
flue must be installed with a fall away from the boiler to avoid rain
ingress.
It is also strongly recommended that the air intake pipe run be
constructed of insulated pipe to prevent condense forming on the
outside of the tube.
The maximum permissible flue length for twin flue is dependent
on the type of run used.
Supplied By www.heating spares.co Tel. 0161 620 6677
o
back to the boiler
. 6.19). The air intake pipe can be
F
6.15
IG
WARNING
IT WILL BE NECESSARY TO CONSULT
18
TO DETERMINE WHETHER THE FLUE RESTRICTOR IS
.
REQUIRED
SHOULD IT NOT BE NEEDED
WILL NEED TO BE REMOVED FROM THE FLUE GAS COLLAR
(F
. 6.11).
IG
Minimum offset distance when using 2x 45
F
6.16
IG
15
T
6.1
ABLE
ON PAGE
,
THE RESTRICTOR
o
bends