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22 /

INSTALLATION

For coaxial systems, the maximum development value,

mentioned in the table below also takes into account an elbow.

For twin ﬂ ue systems the maximum development value,

mentioned in the table includes the exhaust gas/air intake

terminal.

Twin ﬂ ue systems outlets should respect the following

instructions:

1- Use the same ø 80 mm ﬂ ue pipes for the air intakes and

exhaust gas ducts.

2- If you need to insert elbows in the air intake and exhaust gas

ducts, you should consider for each one the equivalent length

to be included in the calculation of developed length.

3- The exhaust gas duct should jut above the roof by at least 0.5

4- The intake and exhaust gas ducts in Type C13 + C53 must be

installed on the same wall, or where the exhaust is vertical

and the air intake horizontal, the terminals must be on the

same side of the building.

EXHAUST

AIR INTAKE

AIR INTAKE MUST NOT BE

FITTED ABOVE THE EXHAUST

195

105

120

180

Fig. 9

Fig. 10

Ariston ALTEAS ONE Net Series User Manual

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