PREN 12309-2 : DRAFT 2013

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Construction and design requirements
6 Operational requirements
7 Test methods
8 Marking and instructions
9 Figures
Annex A (informative) - Alternative Method for the
        determination of the nominal heat input or the
        maximum and minimum heat input for appliances
        using a pneumatic gas/air ratio control system
Annex B (informative) - Calculation of conversions
        of NO[x]
Annex C (informative) - Example of calculation of
        weighting factors NO[x]
Annex ZA (informative) - Relationship between this
         European Standard and the Essential
         Requirements of EU Directive 2009/142/EC
         relating to appliances burning gaseous fuels
         (codified version)
Bibliography

Covers one or a combination of appliances: - gas fired sorption chiller; - gas fired sorption chiller/heater; and - gas fired sorption heat pump.