ATMOS MULTI Mk 2 version 2004
Page 5
1. Installation Regulations.
1.1 The appliance must be installed by a qualified
registered installer in accordance with the Gas Safety
(Installation and Use) Regulations; October 1994.
Failure to install appliances correctly could lead to
prosecution.
1.2. The manufacturer instructions must not be taken
as overriding statutory requirements.
1.3 The installation of this appliance must be in
accordance with the relevant requirements of the Gas
Safety (Installation and Use) Regulations 1984 as
amended, Building Regulations, Building Standards
(Scotland), lEE Wiring Regulations (BS 7671), Health
and Safety Document No.635 (Electricity at Work
Regulations) and local Water Authority bye laws.
1.4 Installation should also be in accordance with the
relevant recommendations contained within the current
versions of the following British Standards:-
BS 6798 Specification for installation of gas fired
hot water boilers of rated input not exceeding 60
kW.
BS 5449 Central Heating for Domestic Premises.
BS 5546 Installation of gas hot water supplies for
domestic purposes.
BS 5440 Flues and Ventilation for gas appliances of
rated input not exceeding 60 kW. (Part 1 Flues).
BS 5440 Flues and Ventilation for gas appliances
of rated input not exceeding 60kw (Part 2 Air
Supply).
BS 6891 Installation of low pressure gas pipework
installations up to 28mm (R1).
Reference should also be made to British Gas
Guidance Notes for the Installation of Domestic Gas
Boilers.
1.5. To ensure that the installation will perform to the
highest standards, the system and components should
conform to any other relevant British Standards in
addition to those mentioned in these instructions.
1.6. For Installation in Ireland, the appliance must be
installed in compliance with I.S.813 ‘Installation of gas
appliances’.
1.7.
Asbestos and CFC’s are not used in the
manufacture of these products.
2. General Information.
2.1 The Atmos Multi is a wall mounted, fully
automatic gas fired condensing combination boiler
designed to provide 'unvented' domestic hot water at
mains pressure via an integral hot water storage
cylinder.
2.2 Classified as an 'Unvented hot water system', the
installation of the Atmos Multi falls within the scope
of the Building Regulations 1995 (Part G.). These
require that a competent person as defined in the
Approved Document G3 must only undertake the
installation of an unvented system.
2.3 For central heating applications the Atmos Multi is
suitable only for use on a fully pumped, pressurised,
sealed primary system with a design (cold) pressure of
between 0.5 and 2.5 bar.
2.4 The boiler may be installed in any room or internal
space without the need for purpose made ventilation,
although attention is drawn to the current IEE Wiring
Regulations with respect to installation in a room
containing a bath or shower. In such installations, it
must not be possible for a person using the bath or
shower to touch any mains electricity fed switch or
boiler control.
2.5 In areas where the temporary hardness of the
supplied water exceeds 200mg/litre, a proprietary in-
line scale control device such as the 'Hydroflow'
(available from Atmos Heating Systems) should be
fitted in the cold feed to the boiler.
2.6 The Atmos Multi is suitable to accept pre-heated
water such as that supplied from solar panel
installations.
2.7 Where the boiler is intended for use on Propane
gas,
the boiler must not be installed in a room or
internal space below ground level.
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