7. WALL PREPARATION
7.1 General.
1.
Make sure that the installation will comply with
all the relevant requirements in part 3 of this
manual.
2.
Attempt to keep the hole sizes as close to the
minimum dimensions as possible in order to
minimise the sealing required
3.
Make sure that the damp course or any electrical
wiring, piping etc. in the wall is not affected when
cutting the installation hole
.
4.
Any gas supply pipe installed in the wall, floor or
cavity of a cavity wall must be continuous and
enclosed in a factory fitted gas tight sleeve (Ref:
Gas safety (Installation & Use) Regulations 1994 as
amended & Certificate of exemption no.1 1996)
7.2 Brick, stone etc. building. Main case in front
of wall (Figure 9).
1.
This installation is for use with a fire surround
or false chimney breast having a minimum depth
of 140mm (5¼in.). The flue length may be cut to
suit the wall thickness. (See prepare flue
assembly section) Combustible material within a
false chimney breast must be at least 75mm from
the fire box.
2.
The non-combustible hearth must project at
least 300mm in front of the convection box front
flanges and be at least 625mm wide (Figures 1 &
9).
3.
The cavity should be sealed where the flue tube
hole has been cut. We recommend filling fully
across the cavity with Rockwool or equivalent to
at least 100mm around the opening (See figure
13)
7.3 Brick, stone etc. building. Main case
recessed into wall.
(Figure 10)
1.
This installation has the fire box recessed into the inner wall of the building. The
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INSTALLER GUIDE
Figure 10. Main case recessed
into wall.
Figure 9. Main case in front of
wall.
