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INSTRUCTIONS FOR INSTALLATION
bend.There is no need to allow for the length of the wall
or roof duct.
The maximum total length is the sum of the pipe lengths
plus the equivalent length for the bends (see the four
examples in fig. 3).
The roof duct set, the supply and flue pipes, the concentric
pipe and bends are packed individually and supplied
together with a clip binding with sealing ring.Tile flashing
or adhesive flashing is also available for use with a duct
through a slanting or flat roof respectively.
NB: This appliance may only be installed using the flue
material ø150/ø100 supplied by DRU.This has been
approved together with the appliance to comply with all
requirements. DRU cannot guarantee that the appliance
will work correctly and safely if alternative installation
material is used.
Preparations for the installation of the
combined inlet-outlet system
• Select the required connection from the options shown
in figure 3.
• Erect the concentric pipes from the heater up. If the
structural situation requires that the first section of the
concentric pipe system be built in, take special note of
the required method of assembly.
• The appliance has a coupling section; fit the first metre of
pipe onto this.
• Allow at least 5 cm between the outside of the
concentric pipes and the wall or ceiling.
Wall duct with concentric pipes
Ensure that the first metre of pipe used for the wall duct
is assembled vertically.
• Determine the position of the appliance and the position
of the wall duct.
• Drill a Ø160 mm hole at the point where the wall duct is
required.Through flammable material Ø 230 mm.
• Now vertically connect one or more concentric pipes to
the heater outlet. Press well and fit the strip(s) of clip
binding.
• Place the bend on top of this, fit any horizontal concentric
pipes required, and make sure the connections are
gastight.
• Connect the wall duct to the bend or the horizontal pipes
and make sure that this connection is also gastight.
Roof duct with concentric pipes
A duct through a roof can open out anywhere on the roof,
with an extension to the ridge if necessary. Depending on
which of the aforementioned options has been chosen, the
roof duct will be supplied with either adhesive flashing for
a flat roof or a universally adjustable tile for a slanted roof.
• Determine the position of the appliance and the position
of the chimney.
• Drill a Ø 160 mm hole at the point where the chimney is
required.Through flammable material Ø 230 mm.
• Now vertically connect the concentric pipes to the
heater outlet. Press well and apply the clip binding.
(1)
(2)
fig. 6
14
Baffle
fig. 5
(3)
Cross-section
Doorsnede
38c-1049
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