Instruction manual

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
Option 3 - Figure 12d. Forced Burner with Heat Exchanger (VSXO No External Flue)
For ducted air and products of combustion to ventilated area
Products of
combustion to
ventilated area
Fresh
Air
Products of
combustion
Firing
tube
H
G
M
G
G
J
F
E
E Forced Burner
F Heat Exchanger
G 100mm (4ins) Clips x2
H 100mm (4ins) Flexible Flue
J 100mm (4ins) Flexible Flue to Fan
M Shroud for unflued heater installation
(supplied as standard)