Technical data
4.1 The appliance may be installed in any room but refer 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 NO special wall protection is required.
4.4 The wall must be capable of supporting the weight of the
appliance. See Table 4.
4.5 The specified clearances must be available for installation
and for servicing. See Fig. 3 and 4. (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 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. Siting The Appliance
6
Fig.4. Appliance casing dimensions and
required clearances (side view).
All dimensions in mm
Fig. 5. Side flue opening
Fig. 3. Appliance casing dimensions and
required clearances (front view).
All dimensions in mm
30
170
10
10
All dimensions in mm
450
106
600
200
800
222
360
200
222
200
Fig. 6. Appliance pipework connections.
100mm
36.5mm
(B)
(C)
(D)
(E)
(F)
A Safety Relief = 50mm
B CH Flow = 95mm
C DHW Out = 160mm
D Gas Inlet = 225mm
E Mains Cold Water In = 290mm
F CH Return = 355mm
(A)