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1. Installation Requirements - Page 6
1.1
General Information
Prior to installation the boiler should be stored as directed
on the carton and in a dry place. Both the user and the
manufacturer rely heavily on the installer, whose job it is to
install the combination boiler, and connect it to a correctly
designed heating system. Acquaint yourself with the
British Standards concerning installation requirements. If
you need advice on any points, Potterton's Service
Operations will be pleased to help (see back page). It is
recommended that tools suitable for brass fittings are used,
and have a capability to accommodate hexagon sizes up to
50mm.
Codes Of Practice
I.E.E Regulations
Model Water Bye Laws
Building Regulations/Building Standards for Scotland.
Health and Safety Document No.635. (The Electricity at
Work Regulations 1989)
BS. 6891
Installation of low pressure pipes.
BS. 6798
Installation of gas boilers of rated input not
exceeding 60kW.
BS. 5449
Forced circulation hot water C.H. systems.
Including smallbore and microbore domestic
central heating systems.
BS. 5546
Installation of gas hot water supplies for
domestic purposes.
BS. 5440:1
Flues (for gas appliances of rated input not
exceeding 60 kW).
BS. 5440:2
Air supply (for gas appliances of rated input
not exceeding 60 kW).
BG. DM2
Guide for gas installation in timber framed
buildings.
It is important that no external control devices e.g. flue
dampers, economisers etc., be directly connected to this
appliance unless covered by these Installation and Service
instructions or otherwise recommended by Potterton in
writing. If in doubt please enquire.
Any direct connection of a control device not recommended
by Potterton could invalidate the certificate and the normal
appliance warranty and could also infringe the Gas Safety
Regulations.
Manufacturers instructions must not be taken in any way as
over-riding statutory obligations.
Gas Supply
The local Gas Region 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 Region.
6 Installation Requirements
A gas meter can only be connected by the Local Gas
Region, or by a Local Gas Region Contractor.
An existing meter should be checked, preferably by the
Gas Region, to ensure the meter is adequate to deal with
the rate of gas supply required.
Installation pipes should be fitted in accordance with BS
6891.
Pipework from the meter to the combination boiler must be
of an adequate size.
Do NOT use pipes of a smaller size than the combination
boiler inlet gas connection (15mm).
The complete installation must be tested for gas
soundness and purged as described in BS 6891.
Health and Safety Information for the
Installer and Service Engineer
Under the Consumer Protection Act 1987 and Section 6 of
the Health and Safety at Work Act 1974, we are required to
provide information on substances hazardous to health.
Small quantities of adhesives and sealants used in the
product are cured and present no known hazards.
The following substances are also present.
Insulation and Seals
Material - Ceramic Fibre. Alumino - Silicone Fibre.
Description - Boards, Ropes, Gaskets.
Known Hazards - Some people can suffer reddening and
itching of the skin. Fibre entry into the eye will cause
foreign body irritation. Irritation to respiratory tract.
Precautions - People with a history of skin complaints may
be particularly susceptible to irritation. High dust levels are
only likely to arise following harsh abrasion.
In general, normal handling and use will not present
discomfort, follow good hygiene practices, wash hands
before consuming food, drinking or using the toilet.
First Aid - Medical attention must be sought following eye
contact or prolonged reddening of the skin.
Heat Exchanger
Material - Copper with lead/tin coating.
Description - Finned copper tube.
Known Hazards - Inhalation or ingestion of lead dust or
fumes may cause headache and nausea.
Precautions - Unused heat exchangers present minimal
risk to health other than normal hygiene practices would
demand regarding washing before eating etc. Deposits
found on or below a heat exchanger that has been in use
could contain lead oxide. Avoid inhalation by using a
vacuum cleaner in conjunction with other cleaning tools
when servicing the appliance.
Part No. 27/20334
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