3 Technical specifications
3.1 Homologations
3.1.2 Certifications
Tab.1 Certifications
CE certificate number 0085CU0338
NOx class 6
Boiler type
C
13
, C
33
3.1.3 Gas category
Gas category Gas type Supply pressure (mbar)
I
2H
G20 (H natural gas) 20
3 Technical specifications
3.1.4 Standards
Codes of Practice — refer to the most recent version
Tab.3 In GB the following Codes of Practice apply:
3.1.1 Safety, Performance & Quality
This boiler has been assessed by an appropriate Notified Body and shown
to meet the requirements of all Directives and Regulations as applicable.
These Directives and Regulations lay down requirements for the safety
and efficiency of the appliance, together with its design, construction and
use of materials. They also require the production process to be covered
by an approved and monitored system of quality assurance.
Tab.2 Gas category, type and supply pressure
Standard Scope
BS 6891 Gas Installation.
BS 5546 Installation of hot water supplies for domestic purposes.
BS EN
12828
Heating systems in buildings.
BS EN
12831
Heating systems in buildings — Calculation of load.
BS EN
14336
Installation & commissioning of water based heating sys
tems.
BS 6798 Installation of gas fired hot water boilers.
BS 5440
Part 1
Flues.
BS 5440
Part 2
Ventilation.
Important
This appliance is suitable for G20 gas containing up to
20% hydrogen (H
2
). Due to variations in the
percentage of H
2
, the percentage of O
2
may vary over
time. (For example: 20% of H
2
in the gas may lead to a
1.5% increase of O
2
in the flue gases). Under these
circumstances it is recommended NOT to adjust the
gas control valve.
12 600 Combi 2
I
3P
G31 (P LPG) 37
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