22
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 (see max
length) avail. 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 flue length = 9.5m
Maximum no of bends = 2
All flues must terminate vertically.
For further information on flue runs, please refer
to BS 5440 pt.1 2000
Option 4 - Figure 12e. Forced Burner with Heat Exchanger (VSXO with Concentric Flue)
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.
Summary of Contents for VISION VSO
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