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221834B
Diagram 3.1
Ventilation
From Outside
Ventilation high level low level
From Room cms in
2
cms in
2
Energysaver 40
123 19.1 123 19.1
PERMANENT
SURFACE
*
5
*
5
55
150
100
500
*
INCREASE THIS DIMENSION TO
25mm FROM COMBUSTIBLE MATERIAL
CLEARANCE OPPOSITE TO FLUE EXIT
MUST BE ADEQUATE FOR THE
INTERNAL INSTALLATION
0157M
5
*
5
TABLE 4
3 Boiler Location
NOTE:
The boiler may be installed in any room although particular
attention is drawn to the requirements of the current issue of
BS7671 with respect to the installation of a boiler in a room
containing a bath or shower. Any electrical switch or boiler
control using mains electricity should be so situated that it
cannot be touched by a person using the bath or shower. The
electrical provisions of the Building Standards (Scotland)
Regulations are applicable to such installations in Scotland.
The boiler must be mounted on a flat wall which is sufficiently
robust to take its total weight, see Data Table 1.
3.1 Boiler Clearances
The boiler must be positioned so that at least the minimum
operational and servicing clearances are as shown in diagram
3.1.
Additional clearances may be required around the boiler for
installation purposes, dependent upon site conditions.
3.2 Timber Frame Buildings
If the boiler is to be installed in a timber frame building it should
be fitted in accordance with the Institute of Gas Engineers
document IGE/UP/7/1998. If in doubt seek advice from the local
gas undertaking or Hepworth Heating Ltd.
3.3 Room Ventilation
The boiler is room sealed, so when installed in a room or space
a permanent air vent is not required.
3.4 Cupboard or Compartment Ventilation
Where the boiler is fitted in a cupboard or compartment,
permanent high and low level ventilation must be provided. The
ventilation areas required are given in Table 4.
Where the installation of the boiler will be in an unusual location,
special procedures are necessary, refer to the current issue of
BS6798 for guidance.
Make sure that the cupboard or compartment air vents are
positioned to be clear of obstructions at all times.
A compartment used to enclose the boiler must be designed
and constructed specifically for this purpose.
The doorway opening should be of sufficient size to allow for
easy removal of the boiler.
Energysaver 40
62 9.6 62 9.6