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19
INSTALLATION OF THE TELESCOPIC HORIZONTAL AIR/FLUE DUCT
(TOP OUTLET)
• Once the position of the flue exit
hole has been determined, the
hole should be cut through the
wall using a core drill of 125 mm
diameter.
Note: If access can be gained to
the proposed flue exit point from
outside the dwelling, the hole can
be cut with a 107 mm core drill
and the flue external wall seal
fitted from outside the dwelling.
• Measure the distance from the
outside face of the wall to the
centre of the fan outlet on the
boiler (fig. 3.16).
This is dimension A.
• Adjust the air duct and flue duct
to the lengths shown in (fig.
3.17).
• Secure the air duct sections
together by drilling a 3 mm
diameter hole through the location
hole in the end of the outer air
duct (1). (Ensure that the drill does
not pierce the inner flue duct).
Secure the air ducts together using
the screw (1) provided. Place the
adhesive tape (2) across the gap
in the telescopic extensions.
(fig. 3.17)
• All flue sockets should point
towards the terminal.
• Care should be taken not to
scratch the white surface of the air
duct.
• If the installation requires the use
of air/flue duct extensions,
additional bends or elbows refer
to the sections on pages 31 - 35.
*
Fig. 3.15
LAS Euro B/S 077/1
87
A
87
A
*
Fig. 3.16
LAS Euro B/S 078/0
Fig. 3.17
Rear exit
Side exit
* = 190 mm ecoMAX combination and system boilers
* = 176 mm ecoMAX pro and ecoTEC plus open vent
* = 125 mm ecoTEC plus system & combination
* = 190 mm ecoMAX
combination and system boilers
* = 176 mm ecoMAX pro and ecoTEC plus
open vent
* = 125 mm ecoTEC plus
system & combination
PART 1 CONCENTRIC 60/100
834449_09GB_082006.qxd 10.08.2006 12:20 Seite 19
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