Supplied By www.heating spares.co Tel. 0161 620 6677
18
INSTALLATION OF THE TELESCOPIC HORIZONTAL AIR/FLUE DUCT
Horizontal telescopic air/flue duct
Accy No.: 303 936
(Length 0.4 - 0.61 m)
Contents of the accessory:
• Horizontal telescopic air/flue duct
• 87° elbow
• 1 x 48 mm air duct clamp
• 1 x 30 mm air duct clamp
• Internal trim ring Ø 100
• External wall seal.
Fig. 3.13: Horizontal air/flue conduit
Preparation
• Determine the installation site for
the boiler with reference to the
installation and servicing
instructions supplied with the
boiler.
• Ensure that all installation and
service clearances are available
and that the boiler flue can be
installed as detailed in these
instructions.
• Fix the paper template, supplied
with the boiler, to the wall
ensuring that the centreline of the
template is vertical using a
plumbline or spirit level.
Top outlet flue exiting to rear
• For installations where the air/flue
duct is to be installed directly to
the rear of the boiler, the
installation template details the
position of the flue exit hole for
horizontal top outlet installation.
Top outlet flue exiting to side
• For installations where the air/flue
duct is to be installed to the side,
the position of the flue exit hole
can be determined by carefully
levelling across the wall from the
centre line of the air/flue duct hole
marked on the template (fig. 3.15).
• The position of the flue exit hole
should allow the flue to be
installed with a slight upward
slope of about 3° ± 1° (equivalent
to 50 mm ± 20 mm per metre of
flue duct). Calculate the required
rise according to the flue length
and mark the position of the flue
exit hole.
30
13
405 - 610
48
65
LAS Euro B/S 037/0
3
*87
5
4
2
1
Fig. 3.14
LAS Euro B/S 072/0GB
* = 190 mm ecoMAX
combination and system boilers
* = 176 mm ecoMAX pro and ecoTEC plus
open vent
* = 125 mm ecoTEC plus
system & combination
IMPORTANT:
The air/flue duct is not concentric
and the air duct has a slope of 1.5°
(if the air flue duct is not cut). The
hole through the wall can therefore
be drilled horizontally with no slope.
Where extensions are used, these
must be installed with a slope at 3° ±
1° (equivalent to 50 mm ± 20 mm
rise per metre length) to ensure that
condensate dows not remain in the
sleeve.
*
834449_09GB_082006.qxd 10.08.2006 12:20 Seite 18
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