Ariston INTESA TP23 Manuale d'uso, istruzioni per l'installazione e la manutenzione - Pagina 16

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Installation
For flue runs with the intake and exhaust pipes under the same
atmospheric conditions (Type 4) the maximum length is 43
metres (80) and 28 metres (100), for runs with the terminals
under different atmospheric conditions (Type 5) the exhaust ter-
minal must extend 0.5 metres above the ridge of the roof (this is
not obligatory if the exhaust and air intake pipes are located on
the same side of the building). For Type 5 also, the maximum per-
missible combined length is 40 metres (80) and 51 metres (100).
The maximum length is reached by combining the total lengths of
both the air intake and exhaust pipes. Therefore a maximum
length of 40 metres for example, will allow a flue run of 20 metres
for the air intake and 20 metres for the exhaust pipes, also for
o
each 90
elbow 1.3 metres must be subtracted from the total
length and for each 45
elbow 1 metre must be subtracted from
o
the total flue length.
Some of the acceptable flue configurations are detailed on below
(F
. 6.19).
IG
F
6.17
IG
For further information relating to flue runs not illustrated, please
contact the Technical Department on 0870 2418180.
F
6.18
IG
F
6.16
IG
16
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