Ariston INTESA TP23 User Manual, Installation & Servicing Instructions - Page 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

each 90

elbow 1.3 metres must be subtracted from the total

length and for each 45

elbow 1 metre must be subtracted from

the total flue length.

Some of the acceptable flue configurations are detailed on below

. 6.19).

6.17

For further information relating to flue runs not illustrated, please

contact the Technical Department on 0870 2418180.

6.18

6.16

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