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The efficiency of this appliance has been measured as specified in BS 7977 - 1 and the
result is as below :
Model
Efficiency % (Gross)
754 Artura
51
The gross calorific value of the fuel has been used for this efficiency calculation. The
test data from which it has been calculated has been certified by Advantica Certification
services (0087). The efficiency value may be used in the UK Government's Standard
Assessment Procedure (SAP) for energy rating of dwellings.
The convertion of
net
efficiency to
gross
was achieved by multiplying the net efficiency
by the following conversion factor from Table E3 of SAP 2005, rounding down to the
nearest whole number.
4. GENERAL INSTALLATION REQUIREMENTS
4.1
The installation must be in accordance with these instructions.
For the user’s protection, in the United Kingdom it is the law that all gas appliances are
installed by competent persons in accordance with the current edition of the Gas Safety
(Installation and Use) Regulations. Failure to install the appliance correctly could lead
to prosecution. The Council for the Registration of Gas Installers (CORGI) requires its
members to work to recognised standards.
In the United Kingdom the installation must also be in accordance with:
All the relevant parts of local regulations.
All relevant codes of practice.
The relevant parts of the current editions of the following British Standards:-
BS 715
BS EN 1856 Part 1
BS 1251
BS EN 1858 which replaces BS 1289 Part 1
BS EN 1806 which replaces BS 1289 Part 2
BS EN 1856 Part 1 which replaces BS 4543 Part 2
BS 5440 Part 1
BS 5440 Part 2
BS 5871 Part 2
BS 6461 Part 1
BS 6891
BS 8303
Page 7
INSTALLER GUIDE
©
Baxi Heating U.K. Limited 2007.
Gas
Conversion factor from
net
to
gross
efficiency
Natural Gas
0.901