GENERAL

The Electricity at Work Regulations, 1989.

F For the minimum clearances required for safety and

The manufacturers notes must NOT be taken, in any way, as

subsequent service, see the wall mounting template and

frame 2. In addition, sufficient space may be required to

overriding statutory obligations.

allow lifting access to the wall mounting plate.

IMPORTANT These appliances are CE certificated for safety

GAS SUPPLY

and performance. It is, therefore, important that no external

control devices, e.g. flue dampers, economisers etc., are

The local gas supplier should be consulted, at the installation

directly connected to these appliances unless covered by

stage, in order to establish the availability of an adequate

these Installation and Servicing Instructions or as otherwise

supply of gas. An existing service pipe must NOT be used

recommended by Caradon Ideal Ltd. in writing. If in doubt

without prior consultation with the local gas supplier.

please enquire.

Natural gas boilers must be installed on a gas supply with a

Any direct connection of a control device not approved by

governed meter. A gas meter can only be connected by the

Caradon Ideal Ltd. could invalidate the certification and the

local gas supplier or by a registered CORGI engineer.

normal appliance warranty. It could also infringe the Gas

Propane gas boilers MUST be installed with pipes, cylinders

Safety Regulations and the above regulations.

and pressure regulators fitted in accordance with BS.5482.1.

 

SAFE HANDLING OF SUBSTANCES

Bulk tank installations MUST comply with the Home Office

code of practice for storage of liquefied petroleum gas at fixed

Care should be taken when handling the boiler insulation

installations. The complete installation MUST be tested for

gas tightness and purged as described in the above code.

panels, which can cause irritation to the skin. No asbestos,

 

mercury or CFCs are included in any part of the boiler in its

The boiler is adjusted at the factory for use with the relevant

manufacture.

supply gas. A working gas pressure equal to that stated in

LOCATION OF BOILER AND FLUE OUTLET

Table 1 MUST be available at the boiler inlet.

Where applicable, the appliance can be converted for

 

The boiler must be installed on a flat and vertical wall, capable

G20---Natural Gas or G31---Propane Gas by using the

of adequately supporting the weight of the boiler and any

appropriate conversion kit.

ancillary equipment.

IMPORTANT Installation pipes MUST be fitted in accordance

 

The boiler may be fitted on a combustible wall and insulation

with BS. 6891. In IE refer to I.S. 813.2002.

Pipework from the meter to the boiler MUST be of an

between the wall and the boiler is not necessary, unless

required by the local authority.

adequate size, i.e. not less than 22 mm O.D. copper or 3/4”

The boiler must not be fitted outside.

BSP iron.

FLUE INSTALLATION REQUIREMENTS

Timber Framed Buildings

The flue must be installed in accordance with the

If the boiler is to be fitted in a timber framed building it should

recommendations of BS. 5440---1 2000.

be fitted in accordance with the Institute of Gas Engineers

In IE refer to I.S. 813.2002.

document IGE/UP/7, 1998.

The following notes are intended for general guidance.

Bathroom Installations

1 The boiler MUST be installed so that the terminal is

The boiler may be installed in any room or internal space,

exposed to external air.

although particular attention is drawn to the requirements of

2 It is important that the position of the terminal allows the

the current I.E.E. (BS.7671) Wiring Regulations and, in

free passage of air across it at all times.

Scotland, the electrical provisions of the building regulations

3 Minimum acceptable spacing from the terminal to

applicable in Scotland with respect to the installation of the

boiler in a room or internal space containing a bath or shower.

obstructions and ventilation openings are specified in

For Ireland reference should be made to the current ETCI

Table 4.

4 Where the lowest part of the terminal is fitted less than 2m

rules for electrical installations and I.S.813:2002

(6’6”) above a balcony, above ground or above a flat roof

 

Where a room sealed appliance is installed in a room

to which people have access then the terminal MUST be

containing a bath or shower then the appliance and any

protected by a purpose designed guard.

electrical switch or appliance control utilising mains electricity

Ensure that the guard is fitted centrally.

should be so situated that it cannot be touched by a person

5 Where the terminal is fitted within 850mm (34”) of a plastic

using the bath or shower.

or painted gutter or 450mm (18”) of painted eaves then an

Note. It is not permissible to install a mains socket in a

aluminium shield at least 750mm (30”) long should be

fitted to the underside of the gutter or painted surface

bathroom.

fitted centrally above the flue.

 

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 should be designed and constructed specially for this purpose.

An existing cupboard or compartment may be used, provided that it is modified for the purpose.

In both cases details of essential features of cupboard / compartment design, including air cupboard installation, are to conform to the following:

FBS 6798 (No cupboard ventilation is required --- see “Air supply” for details)

FThe position selected for installation MUST allow adequate space for servicing in front of the boiler.

6The air inlet/products outlet duct and the terminal of the boiler MUST NOT be closer than 25mm (1”) to combustible material. Detailed recommendations on the protection of combustible material are given in BS.

5440---1:2000. In IE refer to I.S. 813.2002.

Table 4 --- Balanced flue terminal position

Terminal position

Minimum spacing

 

 

 

1

Directly below, above or along side

300 mm (12”)

 

of an openable window, air vent or

 

 

other ventilation opening

 

 

 

 

2

Below guttering, drain pipes or soil

25 mm ( 1”) ***

 

pipes

 

 

 

 

3

Below eaves

25 mm ( 1”) ***

 

 

 

4

Below balconies or a car port roof

25 mm ( 1”) ***

 

 

 

8

mini HE --- Installation & Servicing

Page 8
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Mamiya C24 GAS Supply, Safe Handling of Substances, Location of Boiler and Flue Outlet, Flue Installation Requirements

C28, C24, C32 specifications

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