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4.1 The appliance may be installed in any room although
particular attention is drawn to the requirements of the current
IEE Wiring Regulations BS 7671 and, in Scotland, the electrical
provisions of the Building Regulations applicable in Scotland,
with respect to the installation of appliances in rooms containing
baths or showers.
Where a room sealed appliance is installed in a room containing
a bath or shower, any electrical switch or appliance control using
mains electricity must not be able to be touched by a person
using the bath or shower.
4.2 The appliance is not suitable for external installation.
4.3 The appliance does not require any special wall protection.
4.4 The wall must be capable of supporting the weight of the
appliance. See Table 4.
4.5 The following clearances must be available for installation
and for servicing. See Fig. 2. (note the clearances at the front are
for a removable panel e.g. a door).
4.6 The appliance can be installed in a cupboard used for airing
clothes provided that the requirements of BS 6798 and BS
5440:2 are strictly followed.
Notwithstanding the instructions given in BS 5440:2, this appliance
may be fitted in a compartment with no vents as long as the
minimum clearances stated in Section 6: Air Supply, are maintained.
4.7 The airing space must be separated from the boiler space by
a perforated non-combustible partition. Expanded metal or rigid
wire mesh are acceptable provided that the major dimension is
less than 13mm. See BS 6798:1987.
4.8 No combustible surface must be within 75mm of the casing.
See BS476:4.
4.9 Always consider the possible need to disconnect the pipes
from the appliance after installation.
4.10 LPG Installation: The appliance shall not be installed in a
room or internal space below ground level when it is
intended for use with LPG. This does not preclude the
installation into rooms which are basements with respect to
one side of the building but open to ground level on the
opposite side.
4. Siting The Appliance
5
Above 180mm
In front 0 mm
In front to a fixed surface 600mm
Below 200mm
Right-hand side 10 mm
Left-hand side 10 mm
Fig. 2. Appliance casing dimensions and
required clearances.
Side view
360mm 600mm*
20mm*
200mm* 10mm*
* Space required for installation and servicing
Front view
450mm
10mm*
225mm
180mm
800mm