plane of the fire the clearance at the top of
the appliance must be increased to a
minimum 15mm.This will allow for fascia
removal.
4.17
Proprietary terminals must comply
with BS EN 1856 Part 1 or BS 715. Any
terminal or termination must be positioned
in accordance with BS 5440 Part 1 to
ensure that the products of combustion can
be safely dispersed into the outside
atmosphere. Where the appliance is
connected to an unlined brick chimney it is
generally unnecessary for the chimney pot
to be replaced or for a terminal to be fitted
unless the flue has a diameter smaller than
170mm.
4.18
The minimum allowable distance from the outside of the appliance fascia to a
corner wall having combustible material or any other combustible surface which
projects beyond the front of the appliance is shown in figure 5.
4.19
The appliance is fitted with an A.S.D (Atmosphere sensing device). If the
appliance closes down after a period of operation for no apparent reason, the consumer
should be informed to stop using the appliance until the installation and appliance have
been thoroughly checked. The A.S.D will shut the appliance down if an unacceptable
Page 11
INSTALLER GUIDE
Figure 4. Removal of combustible
cladding
Figure 5. Appliance dimensions and clearances
