5.5
Flue discharge and air supply
Two different flue systems are available from Atmos for use with this
appliance:-
•
80mm twin pipe system which enables separate air intake and flue
pipes to be fitted to the appliance.
•
80/125mm concentric system.
Maximum lengths are specified in § 5.6 and must not be exceeded.
Note - A special concentric through the wall flue kit (60/100mm) is
available from Atmos.
5.5.1
Twin-pipe connection
1.
When using the right-hand air supply, the sealing cap and the
insulating foam lying beneath 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.
5.5.2
Concentric connection
Using the concentric adapter set, the standard two-pipe connection can
be changed into a concentric connection.
1.
Seal the open air supply connections in the appliance with the
sealing cap delivered with the set (foam plug).
2.
Remove the sealing ring around the flue discharge in the appliance.
3.
Fit the sealing ring ø 116 x 110 mm.
4.
Fit the adapter on the flue discharge.
5.5.3
Pipe, materials and insulation
Pipe Diameter
Material
Air supply
ø 80 mm
According to the local regulations of
fire department and/or power
company.
Single wall aluminium, galvanized
steel plate, stainless steel or plastic.
If necessary insulated with 10 mm
vapour-tight insulating material or
plastic.
Flue discharge
ø 80 mm
Aluminium single wall 1.5mm thick.
Insulation
-
10 mm vapour-tight insulating
material when there is a chance of
condensation on the outside,
caused by a low wall temperature
and a high room temperature with a
high humidity.
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