Atmos Energy INTERCOMBI HE32 - Manual (Page 29)

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Table of Atmos 80/125mm concentric flue equivalent lengths
80/125mm Concentric extension for
balcony outlet
When the free outlet is hindered by an eave, balcony,
gallery or anything else, the concentric terminal must
be extended to at least the front side of the
overhanging part (see diagram).
Maximum equivalent concentric length allowed is 27 metres (Note: Includes an allowance for the
terminal; ie the terminal can be ignored from the equivalent length)
80/125mm concentric components Equivalent concentric length (M) Remarks
45 0 bend 1.5
87 0 bend 3.0
5.6.5 Twin-pipe connection
1. When using the right-hand air supply, the sealing cap must be moved
to the left-hand air supply.
2. Locate the pipes for the air supply and flue discharge in the supply
and discharge stubs. The in-built silicone sealing ring provides an
airtight connection.