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GENERAL
GAS SAFETY (INSTALLATION AND USE)
REGULATIONS, 1994
It is law that all gas appliances are installed and serviced by a
CORGI registered installer (identified by
the above regulations. Failure to install appliances correctly
could lead to prosecution. It is in your own interest, and that of
safety, to ensure the law is complied with.
The installation of the boiler MUST also be in accordance with
the latest I.E.E (BS.7671) Wiring Regulations, local building
regulations, bye-laws of the local water authority, the building
regulations and the Building Standards (Scotland) and any
relevant requirements of the local authority.
Detailed recommendations are contained in the following British
Standard Codes of Practice:
BS. 5440:1
Flues (for gas appliances of rated input not
exceeding 60 kW).
BS. 5440:2
Ventilation (for gas appliances of rated input not
exceeding 60 kW).
BS. 5449
Forced circulation hot water systems.
BS. 5546
Installation of gas hot water supplies for domestic
purposes (2nd Family Gases)
BS 6700
Design, installation testing and maintenance of
services supplying hot water for domestic use.
BS. 6798
Installation of gas fired hot water boilers of rated
input not exceeding 60 kW.
BS. 6891
Low pressure installation pipes.
Health & Safety Document No. 635.
The Electricity at Work Regulations, 1989.
The manufacturer's notes must NOT be taken, in any way, as
overriding statutory obligations.
IMPORTANT. These appliances are CE certificated for safety
and performance. It is, therefore, important that no external
control devices, e.g. flue dampers, economisers etc., are directly
connected to these appliances unless covered by these
Installation and Servicing Instructions or as otherwise
recommended by Caradon Ideal Limited in writing. If in doubt
please enquire.
Any direct connection of a control device not approved by
Caradon Ideal Ltd. could invalidate the certification and the
normal appliance warranty. It could also infringe the Gas Safety
Regulations and the above regulations.
LOCATION OF BOILER AND FLUE OUTLET
The boiler must be installed on a flat and vertical wall, capable of
adequately supporting the weight of the boiler and any ancillary
equipment.
The boiler may be fitted on a combustible wall and insulation
between the wall and the boiler is not necessary, unless required
by the local authority.
The boiler must not be fitted outside.
8
Timber Framed Buildings
If the boiler is to be fitted in a timber framed building it should be
fitted in accordance with the British Gas publication 'Guide for
Gas Installations in Timber Frame Housing', reference DM2.
) in accordance with
Bathroom Installations
The boiler may be installed in any room or internal space,
although particular attention is drawn to the requirements of the
current I.E.E. (BS.7671) Wiring Regulations and, in Scotland,
the electrical provisions of the building regulations applicable in
Scotland with respect to the installation of the boiler in a room or
internal space containing a bath or shower.
Where a room sealed appliance is installed in a room containing
a bath or shower then the appliance and any electrical switch or
appliance control utilising mains electricity should be so situated
that it cannot be touched by a person using the bath or shower.
Note. It is not permissible to install a mains socket in a
bathroom.
Where installation will be in an unusual location, special
procedures may be necessary and BS 6798 gives detailed
guidance on this aspect.
Compartment Installations
A compartment or cupboard, including airing cupboards, must
conform to the following:
Table 4 - Minimum air vent free area for compartments /
AIR SUPPLY
Detailed recommendations for air supply are given in BS.5440:2.
The following notes are for general guidance:
1. If the boiler is to be installed in a cupboard or compartment,
2. Both air vents MUST communicate with the same room or
3. In siting the air vents, care must be taken to avoid the
4. If the boiler is NOT installed in a cupboard or compartment
BS. 6798.
For the minimum clearances required for safety and
subsequent service see the wall mounting template and
Frame 2. In addition, sufficient space will be required to
allow lifting access to the wall mounting plate.
Ventilation of the compartment ,e.g. permanent high and low
level air vents, must be provided in accord with the current
issue of BS 5440, Part 2. See Table 4 and 'Air Supply' below.
cupboards (high and low levels)
Boiler
Air from room or
internal space
- cm
(in.
2
FF80
265 (41)
permanent air vents are required (for cooling purposes) in
the cupboard/compartment at both high and low levels. The
air vents must either communicate with room/internal space
or be direct to outside air. The minimum effective areas of
the permanent air vents required in the cupboard/
compartment are specified in Table 4 and are related to
maximum rated heat input.
internal space or MUST be on the same wall to outside air.
freezing of pipework.
no air vent is necessary.
Response FF80
Air direct
from outside
)
- cm
(in.
)
2
2
2
135 (21)
- Installation
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