Operating instructions

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Option 5 - Figure 10e. Forced Burner with Heat Exchanger (with Concentric Flue)
E Forced Burner
F Heat Exchanger
G 100mm (4ins) Clips x2
H 100mm (4ins) Flexible Flue
J 100mm (4ins) Flexible Flue to Fan
N Flue Extension optional
(0.25m/0.5m/1.0m)
P Concentric Flue Terminal
Fresh
Air
Inlet
E
G
J
F
H
G
N
P
Products of
combustion
Firing
Tube
Fresh
Air
Products of
combustion
G
Ventilation requirements are as detailed in
section 1.9
Ducted air must be used in locations
where there is airborne dust or where
there is a polluted atmosphere e.g. Chlorinated
Vapours.
Maximum length = 9m
Minimum diameter = 100mm
Maximum no of bends = 2
Maximum flue length = 9.0m @ Ø125mm
Maximum no of bends = 2
All flues must terminate vertically.
For further information on flue runs, please refer
to section 1.10.1 and BS 5440 pt.1
For flued products of combustion and
ducted air via concentric pipe.
Products of
combustion
IMPORTANT NOTE
This option is a type B
23
flue system
with ducted air and is not a room sealed
balanced flue product.