5
Mexico Super 440 FF - 480 FF -
Installation
GENERAL
The boiler must not be fitted outside.
Timber Framed Buildings
If the boiler is to be fitted in a timber framed building it should
be fitted in accordance with the Institute of Gas Engineers
document IGE/UP/7 : 1998.
Bathrooms
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. For
Ireland reference should be made to the current ETCI rules for
electrical installations and I.S. 813: 2002.
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.
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 used to enclose the boiler MUST be designed
and constructed specially for this purpose.
An existing cupboard or compartment may be used, providing it
is modified for the purpose.
In both cases details of essential features of cupboards/
compartment design, including airing cupboard installation,
are to conform to the following:
2 FLOOR MOUNTING AND BOILER CLEARANCES
Flammable materials must not be placed in close proximity to the appliance. Materials
giving off flammable vapours must not be stored in the same room as the appliance.
Floor mounting
1. The floor must be flat, level and of suitable load bearing
capacity.
2. The back of the boiler may be fitted up to the wall.
Boiler clearances
The minimum overall dimensions of the space in which the
boiler is to operate and to facilitate servicing are as shown in the
table.
Additional space will be required for installation, depending
upon site conditions.
IMPORTANT.
In order to facilitate gas connection, a clearance of at least 100
mm (4") must be available at either the left hand side or the right
hand side DURING installation. Refer to Frame 39.
In addition a MINIMUM clearance of 533 mm (21") MUST be
available at the front of the boiler, for servicing.
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BS. 6798.
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The position selected for installation MUST allow
adequate space for servicing in front of the boiler
and for air circulation around the boiler.
Side clearance is only necessary for installation. The
amount of side clearance will depend upon the type of
connection used.
!
This position MUST also permit the provision of a
satisfactory flue termination.
!
For the minimum clearances required for safety, and
subsequent service, see Frame 2.
GAS SUPPLY
The local gas supplier should be consulted, at the installation
planning stage, in order to establish the availability of an
adequate supply of gas. An existing service pipe must NOT be
used without prior consultation with the local gas supplier.
The boiler is to be installed only on a gas supply with a
governed meter.
A gas meter can only be connected by the local gas supplier or
by a local regional contractor.
Check that the appliance is suitable for the proposed gas
supply. An existing meter should be checked, preferably by the
gas supplier, to ensure that the meter is adequate to deal with
the rate of gas supply required. A minimum gas pressure of
20 mbar MUST be available at the boiler inlet, with the boiler
operating.
Installation pipes MUST be fitted in accordance with BS. 6891.
In IE refer to I.S. 813:2002. Pipework from the meter to the
boiler MUST be of an adequate size.
The complete installation MUST be tested for gas soundness
and purged as described in the above code.
Boiler
Flue
Overall Space dimension
Minimum Side Clearance 'A'
Model
Length
Depth
Height
Width
Width
Rear Flue
Side/Top Flue
Rear Flue
Side/Top
440 FF, 450 FF,
114 to
533 mm
870 mm
460 mm
510 mm
10 mm
35 mm
460 FF, 470 FF
600 mm
(21")
(34
1/4"
)
(18
1/8"
)
(20
1/8"
)
(
3/8
")
(1
3/8
")
480 FF
(
4
1/2"-
23
5/8")
440 FF, 450 FF,
600 to
533 mm
870 mm
510 mm
510 mm
35 mm
35 mm
460 FF, 470 FF
3000mm
(21")
(34
1/4"
)
(20
1/8"
)
(20
1/8"
)
(1
3/8
")
(1
3/8
")
480 FF
(23
5/8"-
118
"
)
