Table of Contents

Foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Classification<br>5 Construction and design requirements<br>6 Operational requirements<br>7 Test methods<br>8 Marking and instructions<br>9 Figures<br>Annex A (informative) - Alternative method for the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;determination of the nominal heat input or the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;maximum and minimum heat input for appliances<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;using a pneumatic gas/air ratio control system<br>Annex B (informative) - Calculation of conversions of NOx<br>Annex C (informative) - Example of calculation of weighting<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;factors NOx<br>Annex D (informative) - Ratio of calorific value Gross to<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net and Net to Gross for Gas Families 1, and 3<br>Annex ZA (informative) - Relationship between this<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;European Standard and the Essential Requirements<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of EU Directive 2009/142/EC relating to appliances<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;burning gaseous fuels (codified version)<br>Annex ZB (informative) - Relationship between this<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;European Standard and the requirements of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Commission Regulation (EC) No 813/2013<br>Annex ZC (informative) - Relationship between this<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;European Standard and the requirements of<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Commission Regulation (EC) No 811/2013<br>Bibliography

Abstract

Pertains to appliances only when used for space heating and cooling with or without heat recovery.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	GSE/37
Supersedes	13/30278752 DC : 0 98/706155 DC : DRAFT APR 1998