General Installation Requirements; Regulations, Standards And Law - Valor BRAVA 348 Installer And Owner Manual

The conversion 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.
Gas
Natural Gas
3.3 NO x
The natural gas 'weighted' NO x result is 295.4 mg/kWh which equates to a
NO x class 2 when tested in accordance with clause 6.5.5. of BS 7977-1.

5. GENERAL INSTALLATION REQUIREMENTS

5.1 Regulations, Standards and Law.

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. GAS SAFE REGISTER require their 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 Standards:
BS 715 -
BS EN 1856 Part 1 - Chimneys – Requirements for metal chimneys.
BS EN 1806 -
BS 5440 Part 1 -
BS 5440 Part 2 -
BS 6891 -
BS 1251 -
©
GDC Group Ltd. 2011
INSTALLER GUIDE
Conversion factor from net to gross efficiency
Specification for metal flue boxes for gas-fired appliances not
exceeding 20kW.
Chimneys – Clay/ceramic flue blocks.
Flueing and ventilation for gas appliances of rated input not
exceeding 70 kW net (1st, 2nd and 3rd family gases).
Specification for installation of gas appliances to chimneys and
for maintenance of chimneys.
Installation and maintenance of flues and ventilation for gas
appliances of rated input not exceeding 70 kW net (1st, 2nd
and 3rd family gases).
Installation of low pressure gas pipework of up to 35mm (R1
¼) in domestic premises (2nd family gas) - specification.
Fireplace components.
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